| | |
| | | |
| | | Object.defineProperty(exports, '__esModule', { value: true }); |
| | | |
| | | const lineBreak = /\r\n?|[\n\u2028\u2029]/; |
| | | const lineBreakG = new RegExp(lineBreak.source, "g"); |
| | | function isNewLine(code) { |
| | | switch (code) { |
| | | case 10: |
| | | case 13: |
| | | case 8232: |
| | | case 8233: |
| | | return true; |
| | | function _objectWithoutPropertiesLoose(source, excluded) { |
| | | if (source == null) return {}; |
| | | var target = {}; |
| | | var sourceKeys = Object.keys(source); |
| | | var key, i; |
| | | |
| | | default: |
| | | return false; |
| | | for (i = 0; i < sourceKeys.length; i++) { |
| | | key = sourceKeys[i]; |
| | | if (excluded.indexOf(key) >= 0) continue; |
| | | target[key] = source[key]; |
| | | } |
| | | } |
| | | const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; |
| | | const skipWhiteSpaceInLine = /(?:[^\S\n\r\u2028\u2029]|\/\/.*|\/\*.*?\*\/)*/y; |
| | | const skipWhiteSpaceToLineBreak = new RegExp("(?=(" + skipWhiteSpaceInLine.source + "))\\1" + /(?=[\n\r\u2028\u2029]|\/\*(?!.*?\*\/)|$)/.source, "y"); |
| | | function isWhitespace(code) { |
| | | switch (code) { |
| | | case 0x0009: |
| | | case 0x000b: |
| | | case 0x000c: |
| | | case 32: |
| | | case 160: |
| | | case 5760: |
| | | case 0x2000: |
| | | case 0x2001: |
| | | case 0x2002: |
| | | case 0x2003: |
| | | case 0x2004: |
| | | case 0x2005: |
| | | case 0x2006: |
| | | case 0x2007: |
| | | case 0x2008: |
| | | case 0x2009: |
| | | case 0x200a: |
| | | case 0x202f: |
| | | case 0x205f: |
| | | case 0x3000: |
| | | case 0xfeff: |
| | | return true; |
| | | |
| | | default: |
| | | return false; |
| | | } |
| | | return target; |
| | | } |
| | | |
| | | class Position { |
| | | constructor(line, col) { |
| | | constructor(line, col, index) { |
| | | this.line = void 0; |
| | | this.column = void 0; |
| | | this.index = void 0; |
| | | this.line = line; |
| | | this.column = col; |
| | | this.index = index; |
| | | } |
| | | |
| | | } |
| | |
| | | } |
| | | |
| | | } |
| | | function getLineInfo(input, offset) { |
| | | let line = 1; |
| | | let lineStart = 0; |
| | | let match; |
| | | lineBreakG.lastIndex = 0; |
| | | |
| | | while ((match = lineBreakG.exec(input)) && match.index < offset) { |
| | | line++; |
| | | lineStart = lineBreakG.lastIndex; |
| | | } |
| | | |
| | | return new Position(line, offset - lineStart); |
| | | function createPositionWithColumnOffset(position, columnOffset) { |
| | | const { |
| | | line, |
| | | column, |
| | | index |
| | | } = position; |
| | | return new Position(line, column + columnOffset, index + columnOffset); |
| | | } |
| | | |
| | | class BaseParser { |
| | | constructor() { |
| | | this.sawUnambiguousESM = false; |
| | | this.ambiguousScriptDifferentAst = false; |
| | | } |
| | | |
| | | hasPlugin(name) { |
| | | return this.plugins.has(name); |
| | | } |
| | | |
| | | getPluginOption(plugin, name) { |
| | | if (this.hasPlugin(plugin)) return this.plugins.get(plugin)[name]; |
| | | } |
| | | |
| | | } |
| | | |
| | | function setTrailingComments(node, comments) { |
| | | if (node.trailingComments === undefined) { |
| | | node.trailingComments = comments; |
| | | } else { |
| | | node.trailingComments.unshift(...comments); |
| | | } |
| | | } |
| | | |
| | | function setLeadingComments(node, comments) { |
| | | if (node.leadingComments === undefined) { |
| | | node.leadingComments = comments; |
| | | } else { |
| | | node.leadingComments.unshift(...comments); |
| | | } |
| | | } |
| | | |
| | | function setInnerComments(node, comments) { |
| | | if (node.innerComments === undefined) { |
| | | node.innerComments = comments; |
| | | } else { |
| | | node.innerComments.unshift(...comments); |
| | | } |
| | | } |
| | | |
| | | function adjustInnerComments(node, elements, commentWS) { |
| | | let lastElement = null; |
| | | let i = elements.length; |
| | | |
| | | while (lastElement === null && i > 0) { |
| | | lastElement = elements[--i]; |
| | | } |
| | | |
| | | if (lastElement === null || lastElement.start > commentWS.start) { |
| | | setInnerComments(node, commentWS.comments); |
| | | } else { |
| | | setTrailingComments(lastElement, commentWS.comments); |
| | | } |
| | | } |
| | | |
| | | class CommentsParser extends BaseParser { |
| | | addComment(comment) { |
| | | if (this.filename) comment.loc.filename = this.filename; |
| | | this.state.comments.push(comment); |
| | | } |
| | | |
| | | processComment(node) { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | const commentStackLength = commentStack.length; |
| | | if (commentStackLength === 0) return; |
| | | let i = commentStackLength - 1; |
| | | const lastCommentWS = commentStack[i]; |
| | | |
| | | if (lastCommentWS.start === node.end) { |
| | | lastCommentWS.leadingNode = node; |
| | | i--; |
| | | } |
| | | |
| | | const { |
| | | start: nodeStart |
| | | } = node; |
| | | |
| | | for (; i >= 0; i--) { |
| | | const commentWS = commentStack[i]; |
| | | const commentEnd = commentWS.end; |
| | | |
| | | if (commentEnd > nodeStart) { |
| | | commentWS.containingNode = node; |
| | | this.finalizeComment(commentWS); |
| | | commentStack.splice(i, 1); |
| | | } else { |
| | | if (commentEnd === nodeStart) { |
| | | commentWS.trailingNode = node; |
| | | } |
| | | |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | |
| | | finalizeComment(commentWS) { |
| | | const { |
| | | comments |
| | | } = commentWS; |
| | | |
| | | if (commentWS.leadingNode !== null || commentWS.trailingNode !== null) { |
| | | if (commentWS.leadingNode !== null) { |
| | | setTrailingComments(commentWS.leadingNode, comments); |
| | | } |
| | | |
| | | if (commentWS.trailingNode !== null) { |
| | | setLeadingComments(commentWS.trailingNode, comments); |
| | | } |
| | | } else { |
| | | const { |
| | | containingNode: node, |
| | | start: commentStart |
| | | } = commentWS; |
| | | |
| | | if (this.input.charCodeAt(commentStart - 1) === 44) { |
| | | switch (node.type) { |
| | | case "ObjectExpression": |
| | | case "ObjectPattern": |
| | | case "RecordExpression": |
| | | adjustInnerComments(node, node.properties, commentWS); |
| | | break; |
| | | |
| | | case "CallExpression": |
| | | case "OptionalCallExpression": |
| | | adjustInnerComments(node, node.arguments, commentWS); |
| | | break; |
| | | |
| | | case "FunctionDeclaration": |
| | | case "FunctionExpression": |
| | | case "ArrowFunctionExpression": |
| | | case "ObjectMethod": |
| | | case "ClassMethod": |
| | | case "ClassPrivateMethod": |
| | | adjustInnerComments(node, node.params, commentWS); |
| | | break; |
| | | |
| | | case "ArrayExpression": |
| | | case "ArrayPattern": |
| | | case "TupleExpression": |
| | | adjustInnerComments(node, node.elements, commentWS); |
| | | break; |
| | | |
| | | case "ExportNamedDeclaration": |
| | | case "ImportDeclaration": |
| | | adjustInnerComments(node, node.specifiers, commentWS); |
| | | break; |
| | | |
| | | default: |
| | | { |
| | | setInnerComments(node, comments); |
| | | } |
| | | } |
| | | } else { |
| | | setInnerComments(node, comments); |
| | | } |
| | | } |
| | | } |
| | | |
| | | finalizeRemainingComments() { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | |
| | | for (let i = commentStack.length - 1; i >= 0; i--) { |
| | | this.finalizeComment(commentStack[i]); |
| | | } |
| | | |
| | | this.state.commentStack = []; |
| | | } |
| | | |
| | | resetPreviousNodeTrailingComments(node) { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | const { |
| | | length |
| | | } = commentStack; |
| | | if (length === 0) return; |
| | | const commentWS = commentStack[length - 1]; |
| | | |
| | | if (commentWS.leadingNode === node) { |
| | | commentWS.leadingNode = null; |
| | | } |
| | | } |
| | | |
| | | takeSurroundingComments(node, start, end) { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | const commentStackLength = commentStack.length; |
| | | if (commentStackLength === 0) return; |
| | | let i = commentStackLength - 1; |
| | | |
| | | for (; i >= 0; i--) { |
| | | const commentWS = commentStack[i]; |
| | | const commentEnd = commentWS.end; |
| | | const commentStart = commentWS.start; |
| | | |
| | | if (commentStart === end) { |
| | | commentWS.leadingNode = node; |
| | | } else if (commentEnd === start) { |
| | | commentWS.trailingNode = node; |
| | | } else if (commentEnd < start) { |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | const ErrorCodes = Object.freeze({ |
| | | const ParseErrorCodes = Object.freeze({ |
| | | SyntaxError: "BABEL_PARSER_SYNTAX_ERROR", |
| | | SourceTypeModuleError: "BABEL_PARSER_SOURCETYPE_MODULE_REQUIRED" |
| | | }); |
| | | |
| | | const ErrorMessages = makeErrorTemplates({ |
| | | AccessorIsGenerator: "A %0ter cannot be a generator.", |
| | | ArgumentsInClass: "'arguments' is only allowed in functions and class methods.", |
| | | AsyncFunctionInSingleStatementContext: "Async functions can only be declared at the top level or inside a block.", |
| | | AwaitBindingIdentifier: "Can not use 'await' as identifier inside an async function.", |
| | | AwaitBindingIdentifierInStaticBlock: "Can not use 'await' as identifier inside a static block.", |
| | | AwaitExpressionFormalParameter: "'await' is not allowed in async function parameters.", |
| | | AwaitNotInAsyncContext: "'await' is only allowed within async functions and at the top levels of modules.", |
| | | AwaitNotInAsyncFunction: "'await' is only allowed within async functions.", |
| | | BadGetterArity: "A 'get' accesor must not have any formal parameters.", |
| | | BadSetterArity: "A 'set' accesor must have exactly one formal parameter.", |
| | | BadSetterRestParameter: "A 'set' accesor function argument must not be a rest parameter.", |
| | | ConstructorClassField: "Classes may not have a field named 'constructor'.", |
| | | ConstructorClassPrivateField: "Classes may not have a private field named '#constructor'.", |
| | | ConstructorIsAccessor: "Class constructor may not be an accessor.", |
| | | ConstructorIsAsync: "Constructor can't be an async function.", |
| | | ConstructorIsGenerator: "Constructor can't be a generator.", |
| | | DeclarationMissingInitializer: "'%0' require an initialization value.", |
| | | DecoratorBeforeExport: "Decorators must be placed *before* the 'export' keyword. You can set the 'decoratorsBeforeExport' option to false to use the 'export @decorator class {}' syntax.", |
| | | DecoratorConstructor: "Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?", |
| | | DecoratorExportClass: "Using the export keyword between a decorator and a class is not allowed. Please use `export @dec class` instead.", |
| | | DecoratorSemicolon: "Decorators must not be followed by a semicolon.", |
| | | DecoratorStaticBlock: "Decorators can't be used with a static block.", |
| | | DeletePrivateField: "Deleting a private field is not allowed.", |
| | | DestructureNamedImport: "ES2015 named imports do not destructure. Use another statement for destructuring after the import.", |
| | | DuplicateConstructor: "Duplicate constructor in the same class.", |
| | | DuplicateDefaultExport: "Only one default export allowed per module.", |
| | | DuplicateExport: "`%0` has already been exported. Exported identifiers must be unique.", |
| | | DuplicateProto: "Redefinition of __proto__ property.", |
| | | DuplicateRegExpFlags: "Duplicate regular expression flag.", |
| | | ElementAfterRest: "Rest element must be last element.", |
| | | EscapedCharNotAnIdentifier: "Invalid Unicode escape.", |
| | | ExportBindingIsString: "A string literal cannot be used as an exported binding without `from`.\n- Did you mean `export { '%0' as '%1' } from 'some-module'`?", |
| | | ExportDefaultFromAsIdentifier: "'from' is not allowed as an identifier after 'export default'.", |
| | | ForInOfLoopInitializer: "'%0' loop variable declaration may not have an initializer.", |
| | | ForOfAsync: "The left-hand side of a for-of loop may not be 'async'.", |
| | | ForOfLet: "The left-hand side of a for-of loop may not start with 'let'.", |
| | | GeneratorInSingleStatementContext: "Generators can only be declared at the top level or inside a block.", |
| | | IllegalBreakContinue: "Unsyntactic %0.", |
| | | IllegalLanguageModeDirective: "Illegal 'use strict' directive in function with non-simple parameter list.", |
| | | IllegalReturn: "'return' outside of function.", |
| | | ImportBindingIsString: 'A string literal cannot be used as an imported binding.\n- Did you mean `import { "%0" as foo }`?', |
| | | ImportCallArgumentTrailingComma: "Trailing comma is disallowed inside import(...) arguments.", |
| | | ImportCallArity: "`import()` requires exactly %0.", |
| | | ImportCallNotNewExpression: "Cannot use new with import(...).", |
| | | ImportCallSpreadArgument: "`...` is not allowed in `import()`.", |
| | | InvalidBigIntLiteral: "Invalid BigIntLiteral.", |
| | | InvalidCodePoint: "Code point out of bounds.", |
| | | InvalidDecimal: "Invalid decimal.", |
| | | InvalidDigit: "Expected number in radix %0.", |
| | | InvalidEscapeSequence: "Bad character escape sequence.", |
| | | InvalidEscapeSequenceTemplate: "Invalid escape sequence in template.", |
| | | InvalidEscapedReservedWord: "Escape sequence in keyword %0.", |
| | | InvalidIdentifier: "Invalid identifier %0.", |
| | | InvalidLhs: "Invalid left-hand side in %0.", |
| | | InvalidLhsBinding: "Binding invalid left-hand side in %0.", |
| | | InvalidNumber: "Invalid number.", |
| | | InvalidOrMissingExponent: "Floating-point numbers require a valid exponent after the 'e'.", |
| | | InvalidOrUnexpectedToken: "Unexpected character '%0'.", |
| | | InvalidParenthesizedAssignment: "Invalid parenthesized assignment pattern.", |
| | | InvalidPrivateFieldResolution: "Private name #%0 is not defined.", |
| | | InvalidPropertyBindingPattern: "Binding member expression.", |
| | | InvalidRecordProperty: "Only properties and spread elements are allowed in record definitions.", |
| | | InvalidRestAssignmentPattern: "Invalid rest operator's argument.", |
| | | LabelRedeclaration: "Label '%0' is already declared.", |
| | | LetInLexicalBinding: "'let' is not allowed to be used as a name in 'let' or 'const' declarations.", |
| | | LineTerminatorBeforeArrow: "No line break is allowed before '=>'.", |
| | | MalformedRegExpFlags: "Invalid regular expression flag.", |
| | | MissingClassName: "A class name is required.", |
| | | MissingEqInAssignment: "Only '=' operator can be used for specifying default value.", |
| | | MissingSemicolon: "Missing semicolon.", |
| | | MissingUnicodeEscape: "Expecting Unicode escape sequence \\uXXXX.", |
| | | MixingCoalesceWithLogical: "Nullish coalescing operator(??) requires parens when mixing with logical operators.", |
| | | ModuleAttributeDifferentFromType: "The only accepted module attribute is `type`.", |
| | | ModuleAttributeInvalidValue: "Only string literals are allowed as module attribute values.", |
| | | ModuleAttributesWithDuplicateKeys: 'Duplicate key "%0" is not allowed in module attributes.', |
| | | ModuleExportNameHasLoneSurrogate: "An export name cannot include a lone surrogate, found '\\u%0'.", |
| | | ModuleExportUndefined: "Export '%0' is not defined.", |
| | | MultipleDefaultsInSwitch: "Multiple default clauses.", |
| | | NewlineAfterThrow: "Illegal newline after throw.", |
| | | NoCatchOrFinally: "Missing catch or finally clause.", |
| | | NumberIdentifier: "Identifier directly after number.", |
| | | NumericSeparatorInEscapeSequence: "Numeric separators are not allowed inside unicode escape sequences or hex escape sequences.", |
| | | ObsoleteAwaitStar: "'await*' has been removed from the async functions proposal. Use Promise.all() instead.", |
| | | OptionalChainingNoNew: "Constructors in/after an Optional Chain are not allowed.", |
| | | OptionalChainingNoTemplate: "Tagged Template Literals are not allowed in optionalChain.", |
| | | OverrideOnConstructor: "'override' modifier cannot appear on a constructor declaration.", |
| | | ParamDupe: "Argument name clash.", |
| | | PatternHasAccessor: "Object pattern can't contain getter or setter.", |
| | | PatternHasMethod: "Object pattern can't contain methods.", |
| | | PipeBodyIsTighter: "Unexpected %0 after pipeline body; any %0 expression acting as Hack-style pipe body must be parenthesized due to its loose operator precedence.", |
| | | PipeTopicRequiresHackPipes: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.', |
| | | PipeTopicUnbound: "Topic reference is unbound; it must be inside a pipe body.", |
| | | PipeTopicUnconfiguredToken: 'Invalid topic token %0. In order to use %0 as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "%0" }.', |
| | | PipeTopicUnused: "Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once.", |
| | | PipeUnparenthesizedBody: "Hack-style pipe body cannot be an unparenthesized %0 expression; please wrap it in parentheses.", |
| | | PipelineBodyNoArrow: 'Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized.', |
| | | PipelineBodySequenceExpression: "Pipeline body may not be a comma-separated sequence expression.", |
| | | PipelineHeadSequenceExpression: "Pipeline head should not be a comma-separated sequence expression.", |
| | | PipelineTopicUnused: "Pipeline is in topic style but does not use topic reference.", |
| | | PrimaryTopicNotAllowed: "Topic reference was used in a lexical context without topic binding.", |
| | | PrimaryTopicRequiresSmartPipeline: 'Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.', |
| | | PrivateInExpectedIn: "Private names are only allowed in property accesses (`obj.#%0`) or in `in` expressions (`#%0 in obj`).", |
| | | PrivateNameRedeclaration: "Duplicate private name #%0.", |
| | | RecordExpressionBarIncorrectEndSyntaxType: "Record expressions ending with '|}' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", |
| | | RecordExpressionBarIncorrectStartSyntaxType: "Record expressions starting with '{|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", |
| | | RecordExpressionHashIncorrectStartSyntaxType: "Record expressions starting with '#{' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.", |
| | | RecordNoProto: "'__proto__' is not allowed in Record expressions.", |
| | | RestTrailingComma: "Unexpected trailing comma after rest element.", |
| | | SloppyFunction: "In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement.", |
| | | StaticPrototype: "Classes may not have static property named prototype.", |
| | | StrictDelete: "Deleting local variable in strict mode.", |
| | | StrictEvalArguments: "Assigning to '%0' in strict mode.", |
| | | StrictEvalArgumentsBinding: "Binding '%0' in strict mode.", |
| | | StrictFunction: "In strict mode code, functions can only be declared at top level or inside a block.", |
| | | StrictNumericEscape: "The only valid numeric escape in strict mode is '\\0'.", |
| | | StrictOctalLiteral: "Legacy octal literals are not allowed in strict mode.", |
| | | StrictWith: "'with' in strict mode.", |
| | | SuperNotAllowed: "`super()` is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?", |
| | | SuperPrivateField: "Private fields can't be accessed on super.", |
| | | TrailingDecorator: "Decorators must be attached to a class element.", |
| | | TupleExpressionBarIncorrectEndSyntaxType: "Tuple expressions ending with '|]' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", |
| | | TupleExpressionBarIncorrectStartSyntaxType: "Tuple expressions starting with '[|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'.", |
| | | TupleExpressionHashIncorrectStartSyntaxType: "Tuple expressions starting with '#[' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'.", |
| | | UnexpectedArgumentPlaceholder: "Unexpected argument placeholder.", |
| | | UnexpectedAwaitAfterPipelineBody: 'Unexpected "await" after pipeline body; await must have parentheses in minimal proposal.', |
| | | UnexpectedDigitAfterHash: "Unexpected digit after hash token.", |
| | | UnexpectedImportExport: "'import' and 'export' may only appear at the top level.", |
| | | UnexpectedKeyword: "Unexpected keyword '%0'.", |
| | | UnexpectedLeadingDecorator: "Leading decorators must be attached to a class declaration.", |
| | | UnexpectedLexicalDeclaration: "Lexical declaration cannot appear in a single-statement context.", |
| | | UnexpectedNewTarget: "`new.target` can only be used in functions or class properties.", |
| | | UnexpectedNumericSeparator: "A numeric separator is only allowed between two digits.", |
| | | UnexpectedPrivateField: "Private names can only be used as the name of a class element (i.e. class C { #p = 42; #m() {} } )\n or a property of member expression (i.e. this.#p).", |
| | | UnexpectedReservedWord: "Unexpected reserved word '%0'.", |
| | | UnexpectedSuper: "'super' is only allowed in object methods and classes.", |
| | | UnexpectedToken: "Unexpected token '%0'.", |
| | | UnexpectedTokenUnaryExponentiation: "Illegal expression. Wrap left hand side or entire exponentiation in parentheses.", |
| | | UnsupportedBind: "Binding should be performed on object property.", |
| | | UnsupportedDecoratorExport: "A decorated export must export a class declaration.", |
| | | UnsupportedDefaultExport: "Only expressions, functions or classes are allowed as the `default` export.", |
| | | UnsupportedImport: "`import` can only be used in `import()` or `import.meta`.", |
| | | UnsupportedMetaProperty: "The only valid meta property for %0 is %0.%1.", |
| | | UnsupportedParameterDecorator: "Decorators cannot be used to decorate parameters.", |
| | | UnsupportedPropertyDecorator: "Decorators cannot be used to decorate object literal properties.", |
| | | UnsupportedSuper: "'super' can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop]).", |
| | | UnterminatedComment: "Unterminated comment.", |
| | | UnterminatedRegExp: "Unterminated regular expression.", |
| | | UnterminatedString: "Unterminated string constant.", |
| | | UnterminatedTemplate: "Unterminated template.", |
| | | VarRedeclaration: "Identifier '%0' has already been declared.", |
| | | YieldBindingIdentifier: "Can not use 'yield' as identifier inside a generator.", |
| | | YieldInParameter: "Yield expression is not allowed in formal parameters.", |
| | | ZeroDigitNumericSeparator: "Numeric separator can not be used after leading 0." |
| | | }, ErrorCodes.SyntaxError); |
| | | const SourceTypeModuleErrorMessages = makeErrorTemplates({ |
| | | ImportMetaOutsideModule: `import.meta may appear only with 'sourceType: "module"'`, |
| | | ImportOutsideModule: `'import' and 'export' may appear only with 'sourceType: "module"'` |
| | | }, ErrorCodes.SourceTypeModuleError); |
| | | const reflect = (keys, last = keys.length - 1) => ({ |
| | | get() { |
| | | return keys.reduce((object, key) => object[key], this); |
| | | }, |
| | | |
| | | function keepReasonCodeCompat(reasonCode, syntaxPlugin) { |
| | | { |
| | | if (syntaxPlugin === "flow" && reasonCode === "PatternIsOptional") { |
| | | return "OptionalBindingPattern"; |
| | | } |
| | | } |
| | | return reasonCode; |
| | | } |
| | | |
| | | function makeErrorTemplates(messages, code, syntaxPlugin) { |
| | | const templates = {}; |
| | | Object.keys(messages).forEach(reasonCode => { |
| | | templates[reasonCode] = Object.freeze({ |
| | | code, |
| | | reasonCode: keepReasonCodeCompat(reasonCode, syntaxPlugin), |
| | | template: messages[reasonCode] |
| | | }); |
| | | }); |
| | | return Object.freeze(templates); |
| | | } |
| | | class ParserError extends CommentsParser { |
| | | getLocationForPosition(pos) { |
| | | let loc; |
| | | if (pos === this.state.start) loc = this.state.startLoc;else if (pos === this.state.lastTokStart) loc = this.state.lastTokStartLoc;else if (pos === this.state.end) loc = this.state.endLoc;else if (pos === this.state.lastTokEnd) loc = this.state.lastTokEndLoc;else loc = getLineInfo(this.input, pos); |
| | | return loc; |
| | | set(value) { |
| | | keys.reduce((item, key, i) => i === last ? item[key] = value : item[key], this); |
| | | } |
| | | |
| | | raise(pos, { |
| | | code, |
| | | reasonCode, |
| | | template |
| | | }, ...params) { |
| | | return this.raiseWithData(pos, { |
| | | code, |
| | | reasonCode |
| | | }, template, ...params); |
| | | } |
| | | }); |
| | | |
| | | raiseOverwrite(pos, { |
| | | code, |
| | | template |
| | | }, ...params) { |
| | | const loc = this.getLocationForPosition(pos); |
| | | const message = template.replace(/%(\d+)/g, (_, i) => params[i]) + ` (${loc.line}:${loc.column})`; |
| | | const instantiate = (constructor, properties, descriptors) => Object.keys(descriptors).map(key => [key, descriptors[key]]).filter(([, descriptor]) => !!descriptor).map(([key, descriptor]) => [key, typeof descriptor === "function" ? { |
| | | value: descriptor, |
| | | enumerable: false |
| | | } : typeof descriptor.reflect === "string" ? Object.assign({}, descriptor, reflect(descriptor.reflect.split("."))) : descriptor]).reduce((instance, [key, descriptor]) => Object.defineProperty(instance, key, Object.assign({ |
| | | configurable: true |
| | | }, descriptor)), Object.assign(new constructor(), properties)); |
| | | |
| | | if (this.options.errorRecovery) { |
| | | const errors = this.state.errors; |
| | | var ModuleErrors = (_ => ({ |
| | | ImportMetaOutsideModule: _(`import.meta may appear only with 'sourceType: "module"'`, { |
| | | code: ParseErrorCodes.SourceTypeModuleError |
| | | }), |
| | | ImportOutsideModule: _(`'import' and 'export' may appear only with 'sourceType: "module"'`, { |
| | | code: ParseErrorCodes.SourceTypeModuleError |
| | | }) |
| | | })); |
| | | |
| | | for (let i = errors.length - 1; i >= 0; i--) { |
| | | const error = errors[i]; |
| | | const NodeDescriptions = { |
| | | ArrayPattern: "array destructuring pattern", |
| | | AssignmentExpression: "assignment expression", |
| | | AssignmentPattern: "assignment expression", |
| | | ArrowFunctionExpression: "arrow function expression", |
| | | ConditionalExpression: "conditional expression", |
| | | ForOfStatement: "for-of statement", |
| | | ForInStatement: "for-in statement", |
| | | ForStatement: "for-loop", |
| | | FormalParameters: "function parameter list", |
| | | Identifier: "identifier", |
| | | ObjectPattern: "object destructuring pattern", |
| | | ParenthesizedExpression: "parenthesized expression", |
| | | RestElement: "rest element", |
| | | UpdateExpression: { |
| | | true: "prefix operation", |
| | | false: "postfix operation" |
| | | }, |
| | | VariableDeclarator: "variable declaration", |
| | | YieldExpression: "yield expression" |
| | | }; |
| | | |
| | | if (error.pos === pos) { |
| | | return Object.assign(error, { |
| | | message |
| | | const toNodeDescription = ({ |
| | | type, |
| | | prefix |
| | | }) => type === "UpdateExpression" ? NodeDescriptions.UpdateExpression[String(prefix)] : NodeDescriptions[type]; |
| | | |
| | | var StandardErrors = (_ => ({ |
| | | AccessorIsGenerator: _(({ |
| | | kind |
| | | }) => `A ${kind}ter cannot be a generator.`), |
| | | ArgumentsInClass: _("'arguments' is only allowed in functions and class methods."), |
| | | AsyncFunctionInSingleStatementContext: _("Async functions can only be declared at the top level or inside a block."), |
| | | AwaitBindingIdentifier: _("Can not use 'await' as identifier inside an async function."), |
| | | AwaitBindingIdentifierInStaticBlock: _("Can not use 'await' as identifier inside a static block."), |
| | | AwaitExpressionFormalParameter: _("'await' is not allowed in async function parameters."), |
| | | AwaitNotInAsyncContext: _("'await' is only allowed within async functions and at the top levels of modules."), |
| | | AwaitNotInAsyncFunction: _("'await' is only allowed within async functions."), |
| | | BadGetterArity: _("A 'get' accesor must not have any formal parameters."), |
| | | BadSetterArity: _("A 'set' accesor must have exactly one formal parameter."), |
| | | BadSetterRestParameter: _("A 'set' accesor function argument must not be a rest parameter."), |
| | | ConstructorClassField: _("Classes may not have a field named 'constructor'."), |
| | | ConstructorClassPrivateField: _("Classes may not have a private field named '#constructor'."), |
| | | ConstructorIsAccessor: _("Class constructor may not be an accessor."), |
| | | ConstructorIsAsync: _("Constructor can't be an async function."), |
| | | ConstructorIsGenerator: _("Constructor can't be a generator."), |
| | | DeclarationMissingInitializer: _(({ |
| | | kind |
| | | }) => `Missing initializer in ${kind} declaration.`), |
| | | DecoratorBeforeExport: _("Decorators must be placed *before* the 'export' keyword. You can set the 'decoratorsBeforeExport' option to false to use the 'export @decorator class {}' syntax."), |
| | | DecoratorConstructor: _("Decorators can't be used with a constructor. Did you mean '@dec class { ... }'?"), |
| | | DecoratorExportClass: _("Using the export keyword between a decorator and a class is not allowed. Please use `export @dec class` instead."), |
| | | DecoratorSemicolon: _("Decorators must not be followed by a semicolon."), |
| | | DecoratorStaticBlock: _("Decorators can't be used with a static block."), |
| | | DeletePrivateField: _("Deleting a private field is not allowed."), |
| | | DestructureNamedImport: _("ES2015 named imports do not destructure. Use another statement for destructuring after the import."), |
| | | DuplicateConstructor: _("Duplicate constructor in the same class."), |
| | | DuplicateDefaultExport: _("Only one default export allowed per module."), |
| | | DuplicateExport: _(({ |
| | | exportName |
| | | }) => `\`${exportName}\` has already been exported. Exported identifiers must be unique.`), |
| | | DuplicateProto: _("Redefinition of __proto__ property."), |
| | | DuplicateRegExpFlags: _("Duplicate regular expression flag."), |
| | | ElementAfterRest: _("Rest element must be last element."), |
| | | EscapedCharNotAnIdentifier: _("Invalid Unicode escape."), |
| | | ExportBindingIsString: _(({ |
| | | localName, |
| | | exportName |
| | | }) => `A string literal cannot be used as an exported binding without \`from\`.\n- Did you mean \`export { '${localName}' as '${exportName}' } from 'some-module'\`?`), |
| | | ExportDefaultFromAsIdentifier: _("'from' is not allowed as an identifier after 'export default'."), |
| | | ForInOfLoopInitializer: _(({ |
| | | type |
| | | }) => `'${type === "ForInStatement" ? "for-in" : "for-of"}' loop variable declaration may not have an initializer.`), |
| | | ForOfAsync: _("The left-hand side of a for-of loop may not be 'async'."), |
| | | ForOfLet: _("The left-hand side of a for-of loop may not start with 'let'."), |
| | | GeneratorInSingleStatementContext: _("Generators can only be declared at the top level or inside a block."), |
| | | IllegalBreakContinue: _(({ |
| | | type |
| | | }) => `Unsyntactic ${type === "BreakStatement" ? "break" : "continue"}.`), |
| | | IllegalLanguageModeDirective: _("Illegal 'use strict' directive in function with non-simple parameter list."), |
| | | IllegalReturn: _("'return' outside of function."), |
| | | ImportBindingIsString: _(({ |
| | | importName |
| | | }) => `A string literal cannot be used as an imported binding.\n- Did you mean \`import { "${importName}" as foo }\`?`), |
| | | ImportCallArgumentTrailingComma: _("Trailing comma is disallowed inside import(...) arguments."), |
| | | ImportCallArity: _(({ |
| | | maxArgumentCount |
| | | }) => `\`import()\` requires exactly ${maxArgumentCount === 1 ? "one argument" : "one or two arguments"}.`), |
| | | ImportCallNotNewExpression: _("Cannot use new with import(...)."), |
| | | ImportCallSpreadArgument: _("`...` is not allowed in `import()`."), |
| | | IncompatibleRegExpUVFlags: _("The 'u' and 'v' regular expression flags cannot be enabled at the same time."), |
| | | InvalidBigIntLiteral: _("Invalid BigIntLiteral."), |
| | | InvalidCodePoint: _("Code point out of bounds."), |
| | | InvalidCoverInitializedName: _("Invalid shorthand property initializer."), |
| | | InvalidDecimal: _("Invalid decimal."), |
| | | InvalidDigit: _(({ |
| | | radix |
| | | }) => `Expected number in radix ${radix}.`), |
| | | InvalidEscapeSequence: _("Bad character escape sequence."), |
| | | InvalidEscapeSequenceTemplate: _("Invalid escape sequence in template."), |
| | | InvalidEscapedReservedWord: _(({ |
| | | reservedWord |
| | | }) => `Escape sequence in keyword ${reservedWord}.`), |
| | | InvalidIdentifier: _(({ |
| | | identifierName |
| | | }) => `Invalid identifier ${identifierName}.`), |
| | | InvalidLhs: _(({ |
| | | ancestor |
| | | }) => `Invalid left-hand side in ${toNodeDescription(ancestor)}.`), |
| | | InvalidLhsBinding: _(({ |
| | | ancestor |
| | | }) => `Binding invalid left-hand side in ${toNodeDescription(ancestor)}.`), |
| | | InvalidNumber: _("Invalid number."), |
| | | InvalidOrMissingExponent: _("Floating-point numbers require a valid exponent after the 'e'."), |
| | | InvalidOrUnexpectedToken: _(({ |
| | | unexpected |
| | | }) => `Unexpected character '${unexpected}'.`), |
| | | InvalidParenthesizedAssignment: _("Invalid parenthesized assignment pattern."), |
| | | InvalidPrivateFieldResolution: _(({ |
| | | identifierName |
| | | }) => `Private name #${identifierName} is not defined.`), |
| | | InvalidPropertyBindingPattern: _("Binding member expression."), |
| | | InvalidRecordProperty: _("Only properties and spread elements are allowed in record definitions."), |
| | | InvalidRestAssignmentPattern: _("Invalid rest operator's argument."), |
| | | LabelRedeclaration: _(({ |
| | | labelName |
| | | }) => `Label '${labelName}' is already declared.`), |
| | | LetInLexicalBinding: _("'let' is not allowed to be used as a name in 'let' or 'const' declarations."), |
| | | LineTerminatorBeforeArrow: _("No line break is allowed before '=>'."), |
| | | MalformedRegExpFlags: _("Invalid regular expression flag."), |
| | | MissingClassName: _("A class name is required."), |
| | | MissingEqInAssignment: _("Only '=' operator can be used for specifying default value."), |
| | | MissingSemicolon: _("Missing semicolon."), |
| | | MissingPlugin: _(({ |
| | | missingPlugin |
| | | }) => `This experimental syntax requires enabling the parser plugin: ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`), |
| | | MissingOneOfPlugins: _(({ |
| | | missingPlugin |
| | | }) => `This experimental syntax requires enabling one of the following parser plugin(s): ${missingPlugin.map(name => JSON.stringify(name)).join(", ")}.`), |
| | | MissingUnicodeEscape: _("Expecting Unicode escape sequence \\uXXXX."), |
| | | MixingCoalesceWithLogical: _("Nullish coalescing operator(??) requires parens when mixing with logical operators."), |
| | | ModuleAttributeDifferentFromType: _("The only accepted module attribute is `type`."), |
| | | ModuleAttributeInvalidValue: _("Only string literals are allowed as module attribute values."), |
| | | ModuleAttributesWithDuplicateKeys: _(({ |
| | | key |
| | | }) => `Duplicate key "${key}" is not allowed in module attributes.`), |
| | | ModuleExportNameHasLoneSurrogate: _(({ |
| | | surrogateCharCode |
| | | }) => `An export name cannot include a lone surrogate, found '\\u${surrogateCharCode.toString(16)}'.`), |
| | | ModuleExportUndefined: _(({ |
| | | localName |
| | | }) => `Export '${localName}' is not defined.`), |
| | | MultipleDefaultsInSwitch: _("Multiple default clauses."), |
| | | NewlineAfterThrow: _("Illegal newline after throw."), |
| | | NoCatchOrFinally: _("Missing catch or finally clause."), |
| | | NumberIdentifier: _("Identifier directly after number."), |
| | | NumericSeparatorInEscapeSequence: _("Numeric separators are not allowed inside unicode escape sequences or hex escape sequences."), |
| | | ObsoleteAwaitStar: _("'await*' has been removed from the async functions proposal. Use Promise.all() instead."), |
| | | OptionalChainingNoNew: _("Constructors in/after an Optional Chain are not allowed."), |
| | | OptionalChainingNoTemplate: _("Tagged Template Literals are not allowed in optionalChain."), |
| | | OverrideOnConstructor: _("'override' modifier cannot appear on a constructor declaration."), |
| | | ParamDupe: _("Argument name clash."), |
| | | PatternHasAccessor: _("Object pattern can't contain getter or setter."), |
| | | PatternHasMethod: _("Object pattern can't contain methods."), |
| | | PrivateInExpectedIn: _(({ |
| | | identifierName |
| | | }) => `Private names are only allowed in property accesses (\`obj.#${identifierName}\`) or in \`in\` expressions (\`#${identifierName} in obj\`).`), |
| | | PrivateNameRedeclaration: _(({ |
| | | identifierName |
| | | }) => `Duplicate private name #${identifierName}.`), |
| | | RecordExpressionBarIncorrectEndSyntaxType: _("Record expressions ending with '|}' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'."), |
| | | RecordExpressionBarIncorrectStartSyntaxType: _("Record expressions starting with '{|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'."), |
| | | RecordExpressionHashIncorrectStartSyntaxType: _("Record expressions starting with '#{' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'."), |
| | | RecordNoProto: _("'__proto__' is not allowed in Record expressions."), |
| | | RestTrailingComma: _("Unexpected trailing comma after rest element."), |
| | | SloppyFunction: _("In non-strict mode code, functions can only be declared at top level, inside a block, or as the body of an if statement."), |
| | | StaticPrototype: _("Classes may not have static property named prototype."), |
| | | SuperNotAllowed: _("`super()` is only valid inside a class constructor of a subclass. Maybe a typo in the method name ('constructor') or not extending another class?"), |
| | | SuperPrivateField: _("Private fields can't be accessed on super."), |
| | | TrailingDecorator: _("Decorators must be attached to a class element."), |
| | | TupleExpressionBarIncorrectEndSyntaxType: _("Tuple expressions ending with '|]' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'."), |
| | | TupleExpressionBarIncorrectStartSyntaxType: _("Tuple expressions starting with '[|' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'bar'."), |
| | | TupleExpressionHashIncorrectStartSyntaxType: _("Tuple expressions starting with '#[' are only allowed when the 'syntaxType' option of the 'recordAndTuple' plugin is set to 'hash'."), |
| | | UnexpectedArgumentPlaceholder: _("Unexpected argument placeholder."), |
| | | UnexpectedAwaitAfterPipelineBody: _('Unexpected "await" after pipeline body; await must have parentheses in minimal proposal.'), |
| | | UnexpectedDigitAfterHash: _("Unexpected digit after hash token."), |
| | | UnexpectedImportExport: _("'import' and 'export' may only appear at the top level."), |
| | | UnexpectedKeyword: _(({ |
| | | keyword |
| | | }) => `Unexpected keyword '${keyword}'.`), |
| | | UnexpectedLeadingDecorator: _("Leading decorators must be attached to a class declaration."), |
| | | UnexpectedLexicalDeclaration: _("Lexical declaration cannot appear in a single-statement context."), |
| | | UnexpectedNewTarget: _("`new.target` can only be used in functions or class properties."), |
| | | UnexpectedNumericSeparator: _("A numeric separator is only allowed between two digits."), |
| | | UnexpectedPrivateField: _("Unexpected private name."), |
| | | UnexpectedReservedWord: _(({ |
| | | reservedWord |
| | | }) => `Unexpected reserved word '${reservedWord}'.`), |
| | | UnexpectedSuper: _("'super' is only allowed in object methods and classes."), |
| | | UnexpectedToken: _(({ |
| | | expected, |
| | | unexpected |
| | | }) => `Unexpected token${unexpected ? ` '${unexpected}'.` : ""}${expected ? `, expected "${expected}"` : ""}`), |
| | | UnexpectedTokenUnaryExponentiation: _("Illegal expression. Wrap left hand side or entire exponentiation in parentheses."), |
| | | UnsupportedBind: _("Binding should be performed on object property."), |
| | | UnsupportedDecoratorExport: _("A decorated export must export a class declaration."), |
| | | UnsupportedDefaultExport: _("Only expressions, functions or classes are allowed as the `default` export."), |
| | | UnsupportedImport: _("`import` can only be used in `import()` or `import.meta`."), |
| | | UnsupportedMetaProperty: _(({ |
| | | target, |
| | | onlyValidPropertyName |
| | | }) => `The only valid meta property for ${target} is ${target}.${onlyValidPropertyName}.`), |
| | | UnsupportedParameterDecorator: _("Decorators cannot be used to decorate parameters."), |
| | | UnsupportedPropertyDecorator: _("Decorators cannot be used to decorate object literal properties."), |
| | | UnsupportedSuper: _("'super' can only be used with function calls (i.e. super()) or in property accesses (i.e. super.prop or super[prop])."), |
| | | UnterminatedComment: _("Unterminated comment."), |
| | | UnterminatedRegExp: _("Unterminated regular expression."), |
| | | UnterminatedString: _("Unterminated string constant."), |
| | | UnterminatedTemplate: _("Unterminated template."), |
| | | VarRedeclaration: _(({ |
| | | identifierName |
| | | }) => `Identifier '${identifierName}' has already been declared.`), |
| | | YieldBindingIdentifier: _("Can not use 'yield' as identifier inside a generator."), |
| | | YieldInParameter: _("Yield expression is not allowed in formal parameters."), |
| | | ZeroDigitNumericSeparator: _("Numeric separator can not be used after leading 0.") |
| | | })); |
| | | |
| | | var StrictModeErrors = (_ => ({ |
| | | StrictDelete: _("Deleting local variable in strict mode."), |
| | | StrictEvalArguments: _(({ |
| | | referenceName |
| | | }) => `Assigning to '${referenceName}' in strict mode.`), |
| | | StrictEvalArgumentsBinding: _(({ |
| | | bindingName |
| | | }) => `Binding '${bindingName}' in strict mode.`), |
| | | StrictFunction: _("In strict mode code, functions can only be declared at top level or inside a block."), |
| | | StrictNumericEscape: _("The only valid numeric escape in strict mode is '\\0'."), |
| | | StrictOctalLiteral: _("Legacy octal literals are not allowed in strict mode."), |
| | | StrictWith: _("'with' in strict mode.") |
| | | })); |
| | | |
| | | const UnparenthesizedPipeBodyDescriptions = new Set(["ArrowFunctionExpression", "AssignmentExpression", "ConditionalExpression", "YieldExpression"]); |
| | | var PipelineOperatorErrors = (_ => ({ |
| | | PipeBodyIsTighter: _("Unexpected yield after pipeline body; any yield expression acting as Hack-style pipe body must be parenthesized due to its loose operator precedence."), |
| | | PipeTopicRequiresHackPipes: _('Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.'), |
| | | PipeTopicUnbound: _("Topic reference is unbound; it must be inside a pipe body."), |
| | | PipeTopicUnconfiguredToken: _(({ |
| | | token |
| | | }) => `Invalid topic token ${token}. In order to use ${token} as a topic reference, the pipelineOperator plugin must be configured with { "proposal": "hack", "topicToken": "${token}" }.`), |
| | | PipeTopicUnused: _("Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once."), |
| | | PipeUnparenthesizedBody: _(({ |
| | | type |
| | | }) => `Hack-style pipe body cannot be an unparenthesized ${toNodeDescription({ |
| | | type |
| | | })}; please wrap it in parentheses.`), |
| | | PipelineBodyNoArrow: _('Unexpected arrow "=>" after pipeline body; arrow function in pipeline body must be parenthesized.'), |
| | | PipelineBodySequenceExpression: _("Pipeline body may not be a comma-separated sequence expression."), |
| | | PipelineHeadSequenceExpression: _("Pipeline head should not be a comma-separated sequence expression."), |
| | | PipelineTopicUnused: _("Pipeline is in topic style but does not use topic reference."), |
| | | PrimaryTopicNotAllowed: _("Topic reference was used in a lexical context without topic binding."), |
| | | PrimaryTopicRequiresSmartPipeline: _('Topic reference is used, but the pipelineOperator plugin was not passed a "proposal": "hack" or "smart" option.') |
| | | })); |
| | | |
| | | const _excluded$1 = ["toMessage"]; |
| | | |
| | | function toParseErrorConstructor(_ref) { |
| | | let { |
| | | toMessage |
| | | } = _ref, |
| | | properties = _objectWithoutPropertiesLoose(_ref, _excluded$1); |
| | | |
| | | return function constructor({ |
| | | loc, |
| | | details |
| | | }) { |
| | | return instantiate(SyntaxError, Object.assign({}, properties, { |
| | | loc |
| | | }), { |
| | | clone(overrides = {}) { |
| | | const loc = overrides.loc || {}; |
| | | return constructor({ |
| | | loc: new Position("line" in loc ? loc.line : this.loc.line, "column" in loc ? loc.column : this.loc.column, "index" in loc ? loc.index : this.loc.index), |
| | | details: Object.assign({}, this.details, overrides.details) |
| | | }); |
| | | }, |
| | | |
| | | details: { |
| | | value: details, |
| | | enumerable: false |
| | | }, |
| | | message: { |
| | | get() { |
| | | return `${toMessage(this.details)} (${this.loc.line}:${this.loc.column})`; |
| | | }, |
| | | |
| | | set(value) { |
| | | Object.defineProperty(this, "message", { |
| | | value |
| | | }); |
| | | } else if (error.pos < pos) { |
| | | break; |
| | | } |
| | | |
| | | }, |
| | | pos: { |
| | | reflect: "loc.index", |
| | | enumerable: true |
| | | }, |
| | | missingPlugin: "missingPlugin" in details && { |
| | | reflect: "details.missingPlugin", |
| | | enumerable: true |
| | | } |
| | | } |
| | | }); |
| | | }; |
| | | } |
| | | |
| | | return this._raise({ |
| | | code, |
| | | loc, |
| | | pos |
| | | }, message); |
| | | function toParseErrorCredentials(toMessageOrMessage, credentials) { |
| | | return Object.assign({ |
| | | toMessage: typeof toMessageOrMessage === "string" ? () => toMessageOrMessage : toMessageOrMessage |
| | | }, credentials); |
| | | } |
| | | function ParseErrorEnum(argument, syntaxPlugin) { |
| | | if (Array.isArray(argument)) { |
| | | return toParseErrorCredentialsMap => ParseErrorEnum(toParseErrorCredentialsMap, argument[0]); |
| | | } |
| | | |
| | | raiseWithData(pos, data, errorTemplate, ...params) { |
| | | const loc = this.getLocationForPosition(pos); |
| | | const message = errorTemplate.replace(/%(\d+)/g, (_, i) => params[i]) + ` (${loc.line}:${loc.column})`; |
| | | return this._raise(Object.assign({ |
| | | loc, |
| | | pos |
| | | }, data), message); |
| | | const partialCredentials = argument(toParseErrorCredentials); |
| | | const ParseErrorConstructors = {}; |
| | | |
| | | for (const reasonCode of Object.keys(partialCredentials)) { |
| | | ParseErrorConstructors[reasonCode] = toParseErrorConstructor(Object.assign({ |
| | | code: ParseErrorCodes.SyntaxError, |
| | | reasonCode |
| | | }, syntaxPlugin ? { |
| | | syntaxPlugin |
| | | } : {}, partialCredentials[reasonCode])); |
| | | } |
| | | |
| | | _raise(errorContext, message) { |
| | | const err = new SyntaxError(message); |
| | | Object.assign(err, errorContext); |
| | | return ParseErrorConstructors; |
| | | } |
| | | const Errors = Object.assign({}, ParseErrorEnum(ModuleErrors), ParseErrorEnum(StandardErrors), ParseErrorEnum(StrictModeErrors), ParseErrorEnum`pipelineOperator`(PipelineOperatorErrors)); |
| | | |
| | | if (this.options.errorRecovery) { |
| | | if (!this.isLookahead) this.state.errors.push(err); |
| | | return err; |
| | | } else { |
| | | throw err; |
| | | } |
| | | } |
| | | const { |
| | | defineProperty |
| | | } = Object; |
| | | |
| | | const toUnenumerable = (object, key) => defineProperty(object, key, { |
| | | enumerable: false, |
| | | value: object[key] |
| | | }); |
| | | |
| | | function toESTreeLocation(node) { |
| | | toUnenumerable(node.loc.start, "index"); |
| | | toUnenumerable(node.loc.end, "index"); |
| | | return node; |
| | | } |
| | | |
| | | var estree = (superClass => class extends superClass { |
| | | parse() { |
| | | const file = toESTreeLocation(super.parse()); |
| | | |
| | | if (this.options.tokens) { |
| | | file.tokens = file.tokens.map(toESTreeLocation); |
| | | } |
| | | |
| | | return file; |
| | | } |
| | | |
| | | parseRegExpLiteral({ |
| | | pattern, |
| | | flags |
| | |
| | | const expression = this.startNodeAt(directiveLiteral.start, directiveLiteral.loc.start); |
| | | expression.value = directiveLiteral.extra.expressionValue; |
| | | expression.raw = directiveLiteral.extra.raw; |
| | | stmt.expression = this.finishNodeAt(expression, "Literal", directiveLiteral.end, directiveLiteral.loc.end); |
| | | stmt.expression = this.finishNodeAt(expression, "Literal", directiveLiteral.loc.end); |
| | | stmt.directive = directiveLiteral.extra.raw.slice(1, -1); |
| | | return this.finishNodeAt(stmt, "ExpressionStatement", directive.end, directive.loc.end); |
| | | return this.finishNodeAt(stmt, "ExpressionStatement", directive.loc.end); |
| | | } |
| | | |
| | | initFunction(node, isAsync) { |
| | |
| | | var _stmt$expression$extr; |
| | | |
| | | return stmt.type === "ExpressionStatement" && stmt.expression.type === "Literal" && typeof stmt.expression.value === "string" && !((_stmt$expression$extr = stmt.expression.extra) != null && _stmt$expression$extr.parenthesized); |
| | | } |
| | | |
| | | stmtToDirective(stmt) { |
| | | const value = stmt.expression.value; |
| | | const directive = super.stmtToDirective(stmt); |
| | | this.addExtra(directive.value, "expressionValue", value); |
| | | return directive; |
| | | } |
| | | |
| | | parseBlockBody(node, ...args) { |
| | |
| | | return node; |
| | | } |
| | | |
| | | isValidLVal(type, ...rest) { |
| | | return type === "Property" ? "value" : super.isValidLVal(type, ...rest); |
| | | } |
| | | |
| | | isAssignable(node, isBinding) { |
| | | if (node != null && this.isObjectProperty(node)) { |
| | | return this.isAssignable(node.value, isBinding); |
| | |
| | | |
| | | toAssignable(node, isLHS = false) { |
| | | if (node != null && this.isObjectProperty(node)) { |
| | | this.toAssignable(node.value, isLHS); |
| | | return node; |
| | | } |
| | | const { |
| | | key, |
| | | value |
| | | } = node; |
| | | |
| | | return super.toAssignable(node, isLHS); |
| | | if (this.isPrivateName(key)) { |
| | | this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start); |
| | | } |
| | | |
| | | this.toAssignable(value, isLHS); |
| | | } else { |
| | | super.toAssignable(node, isLHS); |
| | | } |
| | | } |
| | | |
| | | toAssignableObjectExpressionProp(prop, ...args) { |
| | | toAssignableObjectExpressionProp(prop) { |
| | | if (prop.kind === "get" || prop.kind === "set") { |
| | | this.raise(prop.key.start, ErrorMessages.PatternHasAccessor); |
| | | this.raise(Errors.PatternHasAccessor, { |
| | | at: prop.key |
| | | }); |
| | | } else if (prop.method) { |
| | | this.raise(prop.key.start, ErrorMessages.PatternHasMethod); |
| | | this.raise(Errors.PatternHasMethod, { |
| | | at: prop.key |
| | | }); |
| | | } else { |
| | | super.toAssignableObjectExpressionProp(prop, ...args); |
| | | super.toAssignableObjectExpressionProp(...arguments); |
| | | } |
| | | } |
| | | |
| | |
| | | return node.method || node.kind === "get" || node.kind === "set"; |
| | | } |
| | | |
| | | finishNodeAt(node, type, endLoc) { |
| | | return toESTreeLocation(super.finishNodeAt(node, type, endLoc)); |
| | | } |
| | | |
| | | resetEndLocation(node, endLoc = this.state.lastTokEndLoc) { |
| | | super.resetEndLocation(node, endLoc); |
| | | toESTreeLocation(node); |
| | | } |
| | | |
| | | }); |
| | | |
| | | class TokContext { |
| | |
| | | } |
| | | const types = { |
| | | brace: new TokContext("{"), |
| | | template: new TokContext("`", true) |
| | | j_oTag: new TokContext("<tag"), |
| | | j_cTag: new TokContext("</tag"), |
| | | j_expr: new TokContext("<tag>...</tag>", true) |
| | | }; |
| | | { |
| | | types.template = new TokContext("`", true); |
| | | } |
| | | |
| | | const beforeExpr = true; |
| | | const startsExpr = true; |
| | |
| | | beforeExpr, |
| | | startsExpr |
| | | }), |
| | | templateTail: createToken("...`", { |
| | | startsExpr |
| | | }), |
| | | templateNonTail: createToken("...${", { |
| | | beforeExpr, |
| | | startsExpr |
| | | }), |
| | | at: createToken("@"), |
| | | hash: createToken("#", { |
| | | startsExpr |
| | |
| | | isAssign |
| | | }), |
| | | slashAssign: createToken("_=", { |
| | | beforeExpr, |
| | | isAssign |
| | | }), |
| | | xorAssign: createToken("_=", { |
| | | beforeExpr, |
| | | isAssign |
| | | }), |
| | |
| | | prefix, |
| | | startsExpr |
| | | }), |
| | | doubleCaret: createToken("^^", { |
| | | startsExpr |
| | | }), |
| | | doubleAt: createToken("@@", { |
| | | startsExpr |
| | | }), |
| | | pipeline: createBinop("|>", 0), |
| | | nullishCoalescing: createBinop("??", 1), |
| | | logicalOR: createBinop("||", 1), |
| | |
| | | bitwiseXOR: createBinop("^", 4), |
| | | bitwiseAND: createBinop("&", 5), |
| | | equality: createBinop("==/!=/===/!==", 6), |
| | | lt: createBinop("</>/<=/>=", 7), |
| | | gt: createBinop("</>/<=/>=", 7), |
| | | relational: createBinop("</>/<=/>=", 7), |
| | | bitShift: createBinop("<</>>/>>>", 8), |
| | | bitShiftL: createBinop("<</>>/>>>", 8), |
| | | bitShiftR: createBinop("<</>>/>>>", 8), |
| | | plusMin: createToken("+/-", { |
| | | beforeExpr, |
| | | binop: 9, |
| | |
| | | }) |
| | | }; |
| | | function tokenIsIdentifier(token) { |
| | | return token >= 84 && token <= 119; |
| | | return token >= 93 && token <= 128; |
| | | } |
| | | function tokenKeywordOrIdentifierIsKeyword(token) { |
| | | return token <= 92; |
| | | } |
| | | function tokenIsKeywordOrIdentifier(token) { |
| | | return token >= 49 && token <= 119; |
| | | return token >= 58 && token <= 128; |
| | | } |
| | | function tokenIsLiteralPropertyName(token) { |
| | | return token >= 49 && token <= 123; |
| | | return token >= 58 && token <= 132; |
| | | } |
| | | function tokenComesBeforeExpression(token) { |
| | | return tokenBeforeExprs[token]; |
| | |
| | | return tokenStartsExprs[token]; |
| | | } |
| | | function tokenIsAssignment(token) { |
| | | return token >= 27 && token <= 30; |
| | | return token >= 29 && token <= 33; |
| | | } |
| | | function tokenIsFlowInterfaceOrTypeOrOpaque(token) { |
| | | return token >= 116 && token <= 118; |
| | | return token >= 125 && token <= 127; |
| | | } |
| | | function tokenIsLoop(token) { |
| | | return token >= 81 && token <= 83; |
| | | return token >= 90 && token <= 92; |
| | | } |
| | | function tokenIsKeyword(token) { |
| | | return token >= 49 && token <= 83; |
| | | return token >= 58 && token <= 92; |
| | | } |
| | | function tokenIsOperator(token) { |
| | | return token >= 34 && token <= 50; |
| | | return token >= 39 && token <= 59; |
| | | } |
| | | function tokenIsPostfix(token) { |
| | | return token === 31; |
| | | return token === 34; |
| | | } |
| | | function tokenIsPrefix(token) { |
| | | return tokenPrefixes[token]; |
| | | } |
| | | function tokenIsTSTypeOperator(token) { |
| | | return token >= 108 && token <= 110; |
| | | return token >= 117 && token <= 119; |
| | | } |
| | | function tokenIsTSDeclarationStart(token) { |
| | | return token >= 111 && token <= 117; |
| | | return token >= 120 && token <= 126; |
| | | } |
| | | function tokenLabelName(token) { |
| | | return tokenLabels[token]; |
| | |
| | | return tokenBinops[token]; |
| | | } |
| | | function tokenIsRightAssociative(token) { |
| | | return token === 48; |
| | | return token === 57; |
| | | } |
| | | function tokenIsTemplate(token) { |
| | | return token >= 24 && token <= 25; |
| | | } |
| | | function getExportedToken(token) { |
| | | return tokenTypes[token]; |
| | | } |
| | | function isTokenType(obj) { |
| | | return typeof obj === "number"; |
| | | } |
| | | { |
| | | tokenTypes[8].updateContext = context => { |
| | |
| | | } |
| | | }; |
| | | |
| | | tokenTypes[129].updateContext = context => { |
| | | tokenTypes[138].updateContext = context => { |
| | | context.push(types.j_expr, types.j_oTag); |
| | | }; |
| | | } |
| | |
| | | return keywords.has(word); |
| | | } |
| | | |
| | | function isIteratorStart(current, next) { |
| | | return current === 64 && next === 64; |
| | | function isIteratorStart(current, next, next2) { |
| | | return current === 64 && next === 64 && isIdentifierStart(next2); |
| | | } |
| | | const reservedWordLikeSet = new Set(["break", "case", "catch", "continue", "debugger", "default", "do", "else", "finally", "for", "function", "if", "return", "switch", "throw", "try", "var", "const", "while", "with", "new", "this", "super", "class", "extends", "export", "import", "null", "true", "false", "in", "instanceof", "typeof", "void", "delete", "implements", "interface", "let", "package", "private", "protected", "public", "static", "yield", "eval", "arguments", "enum", "await"]); |
| | | function canBeReservedWord(word) { |
| | |
| | | CLASS_ELEMENT_INSTANCE_SETTER = CLASS_ELEMENT_KIND_SETTER, |
| | | CLASS_ELEMENT_OTHER = 0; |
| | | |
| | | class Scope { |
| | | constructor(flags) { |
| | | this.var = new Set(); |
| | | this.lexical = new Set(); |
| | | this.functions = new Set(); |
| | | this.flags = flags; |
| | | class BaseParser { |
| | | constructor() { |
| | | this.sawUnambiguousESM = false; |
| | | this.ambiguousScriptDifferentAst = false; |
| | | } |
| | | |
| | | } |
| | | class ScopeHandler { |
| | | constructor(raise, inModule) { |
| | | this.scopeStack = []; |
| | | this.undefinedExports = new Map(); |
| | | this.undefinedPrivateNames = new Map(); |
| | | this.raise = raise; |
| | | this.inModule = inModule; |
| | | } |
| | | hasPlugin(pluginConfig) { |
| | | if (typeof pluginConfig === "string") { |
| | | return this.plugins.has(pluginConfig); |
| | | } else { |
| | | const [pluginName, pluginOptions] = pluginConfig; |
| | | |
| | | get inFunction() { |
| | | return (this.currentVarScopeFlags() & SCOPE_FUNCTION) > 0; |
| | | } |
| | | |
| | | get allowSuper() { |
| | | return (this.currentThisScopeFlags() & SCOPE_SUPER) > 0; |
| | | } |
| | | |
| | | get allowDirectSuper() { |
| | | return (this.currentThisScopeFlags() & SCOPE_DIRECT_SUPER) > 0; |
| | | } |
| | | |
| | | get inClass() { |
| | | return (this.currentThisScopeFlags() & SCOPE_CLASS) > 0; |
| | | } |
| | | |
| | | get inClassAndNotInNonArrowFunction() { |
| | | const flags = this.currentThisScopeFlags(); |
| | | return (flags & SCOPE_CLASS) > 0 && (flags & SCOPE_FUNCTION) === 0; |
| | | } |
| | | |
| | | get inStaticBlock() { |
| | | for (let i = this.scopeStack.length - 1;; i--) { |
| | | const { |
| | | flags |
| | | } = this.scopeStack[i]; |
| | | |
| | | if (flags & SCOPE_STATIC_BLOCK) { |
| | | return true; |
| | | } |
| | | |
| | | if (flags & (SCOPE_VAR | SCOPE_CLASS)) { |
| | | if (!this.hasPlugin(pluginName)) { |
| | | return false; |
| | | } |
| | | } |
| | | } |
| | | |
| | | get inNonArrowFunction() { |
| | | return (this.currentThisScopeFlags() & SCOPE_FUNCTION) > 0; |
| | | } |
| | | const actualOptions = this.plugins.get(pluginName); |
| | | |
| | | get treatFunctionsAsVar() { |
| | | return this.treatFunctionsAsVarInScope(this.currentScope()); |
| | | } |
| | | |
| | | createScope(flags) { |
| | | return new Scope(flags); |
| | | } |
| | | |
| | | enter(flags) { |
| | | this.scopeStack.push(this.createScope(flags)); |
| | | } |
| | | |
| | | exit() { |
| | | this.scopeStack.pop(); |
| | | } |
| | | |
| | | treatFunctionsAsVarInScope(scope) { |
| | | return !!(scope.flags & SCOPE_FUNCTION || !this.inModule && scope.flags & SCOPE_PROGRAM); |
| | | } |
| | | |
| | | declareName(name, bindingType, pos) { |
| | | let scope = this.currentScope(); |
| | | |
| | | if (bindingType & BIND_SCOPE_LEXICAL || bindingType & BIND_SCOPE_FUNCTION) { |
| | | this.checkRedeclarationInScope(scope, name, bindingType, pos); |
| | | |
| | | if (bindingType & BIND_SCOPE_FUNCTION) { |
| | | scope.functions.add(name); |
| | | } else { |
| | | scope.lexical.add(name); |
| | | for (const key of Object.keys(pluginOptions)) { |
| | | if ((actualOptions == null ? void 0 : actualOptions[key]) !== pluginOptions[key]) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | if (bindingType & BIND_SCOPE_LEXICAL) { |
| | | this.maybeExportDefined(scope, name); |
| | | } |
| | | } else if (bindingType & BIND_SCOPE_VAR) { |
| | | for (let i = this.scopeStack.length - 1; i >= 0; --i) { |
| | | scope = this.scopeStack[i]; |
| | | this.checkRedeclarationInScope(scope, name, bindingType, pos); |
| | | scope.var.add(name); |
| | | this.maybeExportDefined(scope, name); |
| | | if (scope.flags & SCOPE_VAR) break; |
| | | } |
| | | } |
| | | |
| | | if (this.inModule && scope.flags & SCOPE_PROGRAM) { |
| | | this.undefinedExports.delete(name); |
| | | return true; |
| | | } |
| | | } |
| | | |
| | | maybeExportDefined(scope, name) { |
| | | if (this.inModule && scope.flags & SCOPE_PROGRAM) { |
| | | this.undefinedExports.delete(name); |
| | | } |
| | | getPluginOption(plugin, name) { |
| | | var _this$plugins$get; |
| | | |
| | | return (_this$plugins$get = this.plugins.get(plugin)) == null ? void 0 : _this$plugins$get[name]; |
| | | } |
| | | |
| | | checkRedeclarationInScope(scope, name, bindingType, pos) { |
| | | if (this.isRedeclaredInScope(scope, name, bindingType)) { |
| | | this.raise(pos, ErrorMessages.VarRedeclaration, name); |
| | | } |
| | | } |
| | | |
| | | function setTrailingComments(node, comments) { |
| | | if (node.trailingComments === undefined) { |
| | | node.trailingComments = comments; |
| | | } else { |
| | | node.trailingComments.unshift(...comments); |
| | | } |
| | | } |
| | | |
| | | function setLeadingComments(node, comments) { |
| | | if (node.leadingComments === undefined) { |
| | | node.leadingComments = comments; |
| | | } else { |
| | | node.leadingComments.unshift(...comments); |
| | | } |
| | | } |
| | | |
| | | function setInnerComments(node, comments) { |
| | | if (node.innerComments === undefined) { |
| | | node.innerComments = comments; |
| | | } else { |
| | | node.innerComments.unshift(...comments); |
| | | } |
| | | } |
| | | |
| | | function adjustInnerComments(node, elements, commentWS) { |
| | | let lastElement = null; |
| | | let i = elements.length; |
| | | |
| | | while (lastElement === null && i > 0) { |
| | | lastElement = elements[--i]; |
| | | } |
| | | |
| | | isRedeclaredInScope(scope, name, bindingType) { |
| | | if (!(bindingType & BIND_KIND_VALUE)) return false; |
| | | if (lastElement === null || lastElement.start > commentWS.start) { |
| | | setInnerComments(node, commentWS.comments); |
| | | } else { |
| | | setTrailingComments(lastElement, commentWS.comments); |
| | | } |
| | | } |
| | | |
| | | if (bindingType & BIND_SCOPE_LEXICAL) { |
| | | return scope.lexical.has(name) || scope.functions.has(name) || scope.var.has(name); |
| | | } |
| | | |
| | | if (bindingType & BIND_SCOPE_FUNCTION) { |
| | | return scope.lexical.has(name) || !this.treatFunctionsAsVarInScope(scope) && scope.var.has(name); |
| | | } |
| | | |
| | | return scope.lexical.has(name) && !(scope.flags & SCOPE_SIMPLE_CATCH && scope.lexical.values().next().value === name) || !this.treatFunctionsAsVarInScope(scope) && scope.functions.has(name); |
| | | class CommentsParser extends BaseParser { |
| | | addComment(comment) { |
| | | if (this.filename) comment.loc.filename = this.filename; |
| | | this.state.comments.push(comment); |
| | | } |
| | | |
| | | checkLocalExport(id) { |
| | | processComment(node) { |
| | | const { |
| | | name |
| | | } = id; |
| | | const topLevelScope = this.scopeStack[0]; |
| | | commentStack |
| | | } = this.state; |
| | | const commentStackLength = commentStack.length; |
| | | if (commentStackLength === 0) return; |
| | | let i = commentStackLength - 1; |
| | | const lastCommentWS = commentStack[i]; |
| | | |
| | | if (!topLevelScope.lexical.has(name) && !topLevelScope.var.has(name) && !topLevelScope.functions.has(name)) { |
| | | this.undefinedExports.set(name, id.start); |
| | | if (lastCommentWS.start === node.end) { |
| | | lastCommentWS.leadingNode = node; |
| | | i--; |
| | | } |
| | | } |
| | | |
| | | currentScope() { |
| | | return this.scopeStack[this.scopeStack.length - 1]; |
| | | } |
| | | const { |
| | | start: nodeStart |
| | | } = node; |
| | | |
| | | currentVarScopeFlags() { |
| | | for (let i = this.scopeStack.length - 1;; i--) { |
| | | const { |
| | | flags |
| | | } = this.scopeStack[i]; |
| | | for (; i >= 0; i--) { |
| | | const commentWS = commentStack[i]; |
| | | const commentEnd = commentWS.end; |
| | | |
| | | if (flags & SCOPE_VAR) { |
| | | return flags; |
| | | if (commentEnd > nodeStart) { |
| | | commentWS.containingNode = node; |
| | | this.finalizeComment(commentWS); |
| | | commentStack.splice(i, 1); |
| | | } else { |
| | | if (commentEnd === nodeStart) { |
| | | commentWS.trailingNode = node; |
| | | } |
| | | |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | |
| | | currentThisScopeFlags() { |
| | | for (let i = this.scopeStack.length - 1;; i--) { |
| | | const { |
| | | flags |
| | | } = this.scopeStack[i]; |
| | | finalizeComment(commentWS) { |
| | | const { |
| | | comments |
| | | } = commentWS; |
| | | |
| | | if (flags & (SCOPE_VAR | SCOPE_CLASS) && !(flags & SCOPE_ARROW)) { |
| | | return flags; |
| | | if (commentWS.leadingNode !== null || commentWS.trailingNode !== null) { |
| | | if (commentWS.leadingNode !== null) { |
| | | setTrailingComments(commentWS.leadingNode, comments); |
| | | } |
| | | |
| | | if (commentWS.trailingNode !== null) { |
| | | setLeadingComments(commentWS.trailingNode, comments); |
| | | } |
| | | } else { |
| | | const { |
| | | containingNode: node, |
| | | start: commentStart |
| | | } = commentWS; |
| | | |
| | | if (this.input.charCodeAt(commentStart - 1) === 44) { |
| | | switch (node.type) { |
| | | case "ObjectExpression": |
| | | case "ObjectPattern": |
| | | case "RecordExpression": |
| | | adjustInnerComments(node, node.properties, commentWS); |
| | | break; |
| | | |
| | | case "CallExpression": |
| | | case "OptionalCallExpression": |
| | | adjustInnerComments(node, node.arguments, commentWS); |
| | | break; |
| | | |
| | | case "FunctionDeclaration": |
| | | case "FunctionExpression": |
| | | case "ArrowFunctionExpression": |
| | | case "ObjectMethod": |
| | | case "ClassMethod": |
| | | case "ClassPrivateMethod": |
| | | adjustInnerComments(node, node.params, commentWS); |
| | | break; |
| | | |
| | | case "ArrayExpression": |
| | | case "ArrayPattern": |
| | | case "TupleExpression": |
| | | adjustInnerComments(node, node.elements, commentWS); |
| | | break; |
| | | |
| | | case "ExportNamedDeclaration": |
| | | case "ImportDeclaration": |
| | | adjustInnerComments(node, node.specifiers, commentWS); |
| | | break; |
| | | |
| | | default: |
| | | { |
| | | setInnerComments(node, comments); |
| | | } |
| | | } |
| | | } else { |
| | | setInnerComments(node, comments); |
| | | } |
| | | } |
| | | } |
| | | |
| | | finalizeRemainingComments() { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | |
| | | for (let i = commentStack.length - 1; i >= 0; i--) { |
| | | this.finalizeComment(commentStack[i]); |
| | | } |
| | | |
| | | this.state.commentStack = []; |
| | | } |
| | | |
| | | resetPreviousNodeTrailingComments(node) { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | const { |
| | | length |
| | | } = commentStack; |
| | | if (length === 0) return; |
| | | const commentWS = commentStack[length - 1]; |
| | | |
| | | if (commentWS.leadingNode === node) { |
| | | commentWS.leadingNode = null; |
| | | } |
| | | } |
| | | |
| | | takeSurroundingComments(node, start, end) { |
| | | const { |
| | | commentStack |
| | | } = this.state; |
| | | const commentStackLength = commentStack.length; |
| | | if (commentStackLength === 0) return; |
| | | let i = commentStackLength - 1; |
| | | |
| | | for (; i >= 0; i--) { |
| | | const commentWS = commentStack[i]; |
| | | const commentEnd = commentWS.end; |
| | | const commentStart = commentWS.start; |
| | | |
| | | if (commentStart === end) { |
| | | commentWS.leadingNode = node; |
| | | } else if (commentEnd === start) { |
| | | commentWS.trailingNode = node; |
| | | } else if (commentEnd < start) { |
| | | break; |
| | | } |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | class FlowScope extends Scope { |
| | | constructor(...args) { |
| | | super(...args); |
| | | this.declareFunctions = new Set(); |
| | | } |
| | | const lineBreak = /\r\n?|[\n\u2028\u2029]/; |
| | | const lineBreakG = new RegExp(lineBreak.source, "g"); |
| | | function isNewLine(code) { |
| | | switch (code) { |
| | | case 10: |
| | | case 13: |
| | | case 8232: |
| | | case 8233: |
| | | return true; |
| | | |
| | | default: |
| | | return false; |
| | | } |
| | | } |
| | | const skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; |
| | | const skipWhiteSpaceInLine = /(?:[^\S\n\r\u2028\u2029]|\/\/.*|\/\*.*?\*\/)*/y; |
| | | const skipWhiteSpaceToLineBreak = new RegExp("(?=(" + skipWhiteSpaceInLine.source + "))\\1" + /(?=[\n\r\u2028\u2029]|\/\*(?!.*?\*\/)|$)/.source, "y"); |
| | | function isWhitespace(code) { |
| | | switch (code) { |
| | | case 0x0009: |
| | | case 0x000b: |
| | | case 0x000c: |
| | | case 32: |
| | | case 160: |
| | | case 5760: |
| | | case 0x2000: |
| | | case 0x2001: |
| | | case 0x2002: |
| | | case 0x2003: |
| | | case 0x2004: |
| | | case 0x2005: |
| | | case 0x2006: |
| | | case 0x2007: |
| | | case 0x2008: |
| | | case 0x2009: |
| | | case 0x200a: |
| | | case 0x202f: |
| | | case 0x205f: |
| | | case 0x3000: |
| | | case 0xfeff: |
| | | return true; |
| | | |
| | | class FlowScopeHandler extends ScopeHandler { |
| | | createScope(flags) { |
| | | return new FlowScope(flags); |
| | | default: |
| | | return false; |
| | | } |
| | | |
| | | declareName(name, bindingType, pos) { |
| | | const scope = this.currentScope(); |
| | | |
| | | if (bindingType & BIND_FLAGS_FLOW_DECLARE_FN) { |
| | | this.checkRedeclarationInScope(scope, name, bindingType, pos); |
| | | this.maybeExportDefined(scope, name); |
| | | scope.declareFunctions.add(name); |
| | | return; |
| | | } |
| | | |
| | | super.declareName(...arguments); |
| | | } |
| | | |
| | | isRedeclaredInScope(scope, name, bindingType) { |
| | | if (super.isRedeclaredInScope(...arguments)) return true; |
| | | |
| | | if (bindingType & BIND_FLAGS_FLOW_DECLARE_FN) { |
| | | return !scope.declareFunctions.has(name) && (scope.lexical.has(name) || scope.functions.has(name)); |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | checkLocalExport(id) { |
| | | if (!this.scopeStack[0].declareFunctions.has(id.name)) { |
| | | super.checkLocalExport(id); |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | class State { |
| | | constructor() { |
| | | this.strict = void 0; |
| | | this.curLine = void 0; |
| | | this.lineStart = void 0; |
| | | this.startLoc = void 0; |
| | | this.endLoc = void 0; |
| | | this.errors = []; |
| | |
| | | this.maybeInArrowParameters = false; |
| | | this.inType = false; |
| | | this.noAnonFunctionType = false; |
| | | this.inPropertyName = false; |
| | | this.hasFlowComment = false; |
| | | this.isAmbientContext = false; |
| | | this.inAbstractClass = false; |
| | |
| | | this.comments = []; |
| | | this.commentStack = []; |
| | | this.pos = 0; |
| | | this.lineStart = 0; |
| | | this.type = 126; |
| | | this.type = 135; |
| | | this.value = null; |
| | | this.start = 0; |
| | | this.end = 0; |
| | | this.lastTokEndLoc = null; |
| | | this.lastTokStartLoc = null; |
| | | this.lastTokStart = 0; |
| | | this.lastTokEnd = 0; |
| | | this.context = [types.brace]; |
| | | this.exprAllowed = true; |
| | | this.canStartJSXElement = true; |
| | | this.containsEsc = false; |
| | | this.strictErrors = new Map(); |
| | | this.tokensLength = 0; |
| | | } |
| | | |
| | | init(options) { |
| | | this.strict = options.strictMode === false ? false : options.strictMode === true ? true : options.sourceType === "module"; |
| | | this.curLine = options.startLine; |
| | | this.startLoc = this.endLoc = this.curPosition(); |
| | | init({ |
| | | strictMode, |
| | | sourceType, |
| | | startLine, |
| | | startColumn |
| | | }) { |
| | | this.strict = strictMode === false ? false : strictMode === true ? true : sourceType === "module"; |
| | | this.curLine = startLine; |
| | | this.lineStart = -startColumn; |
| | | this.startLoc = this.endLoc = new Position(startLine, startColumn, 0); |
| | | } |
| | | |
| | | curPosition() { |
| | | return new Position(this.curLine, this.pos - this.lineStart); |
| | | return new Position(this.curLine, this.pos - this.lineStart, this.pos); |
| | | } |
| | | |
| | | clone(skipArrays) { |
| | |
| | | |
| | | } |
| | | |
| | | const _excluded = ["at"], |
| | | _excluded2 = ["at"]; |
| | | |
| | | var _isDigit = function isDigit(code) { |
| | | return code >= 48 && code <= 57; |
| | | }; |
| | | const VALID_REGEX_FLAGS = new Set([103, 109, 115, 105, 121, 117, 100]); |
| | | const VALID_REGEX_FLAGS = new Set([103, 109, 115, 105, 121, 117, 100, 118]); |
| | | const forbiddenNumericSeparatorSiblings = { |
| | | decBinOct: [46, 66, 69, 79, 95, 98, 101, 111], |
| | | hex: [46, 88, 95, 120] |
| | | decBinOct: new Set([46, 66, 69, 79, 95, 98, 101, 111]), |
| | | hex: new Set([46, 88, 95, 120]) |
| | | }; |
| | | const allowedNumericSeparatorSiblings = {}; |
| | | allowedNumericSeparatorSiblings.bin = [48, 49]; |
| | | allowedNumericSeparatorSiblings.oct = [...allowedNumericSeparatorSiblings.bin, 50, 51, 52, 53, 54, 55]; |
| | | allowedNumericSeparatorSiblings.dec = [...allowedNumericSeparatorSiblings.oct, 56, 57]; |
| | | allowedNumericSeparatorSiblings.hex = [...allowedNumericSeparatorSiblings.dec, 65, 66, 67, 68, 69, 70, 97, 98, 99, 100, 101, 102]; |
| | | const isAllowedNumericSeparatorSibling = { |
| | | bin: ch => ch === 48 || ch === 49, |
| | | oct: ch => ch >= 48 && ch <= 55, |
| | | dec: ch => ch >= 48 && ch <= 57, |
| | | hex: ch => ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102 |
| | | }; |
| | | class Token { |
| | | constructor(state) { |
| | | this.type = state.type; |
| | |
| | | } |
| | | |
| | | } |
| | | class Tokenizer extends ParserError { |
| | | class Tokenizer extends CommentsParser { |
| | | constructor(options, input) { |
| | | super(); |
| | | this.isLookahead = void 0; |
| | |
| | | this.pushToken(new Token(this.state)); |
| | | } |
| | | |
| | | this.state.lastTokEnd = this.state.end; |
| | | this.state.lastTokStart = this.state.start; |
| | | this.state.lastTokEndLoc = this.state.endLoc; |
| | | this.state.lastTokStartLoc = this.state.startLoc; |
| | |
| | | type: state.type, |
| | | start: state.start, |
| | | end: state.end, |
| | | lastTokEnd: state.end, |
| | | context: [this.curContext()], |
| | | inType: state.inType |
| | | inType: state.inType, |
| | | startLoc: state.startLoc, |
| | | lastTokEndLoc: state.lastTokEndLoc, |
| | | curLine: state.curLine, |
| | | lineStart: state.lineStart, |
| | | curPosition: state.curPosition |
| | | }; |
| | | } |
| | | |
| | |
| | | this.state.strict = strict; |
| | | |
| | | if (strict) { |
| | | this.state.strictErrors.forEach((message, pos) => this.raise(pos, message)); |
| | | this.state.strictErrors.forEach(([toParseError, at]) => this.raise(toParseError, { |
| | | at |
| | | })); |
| | | this.state.strictErrors.clear(); |
| | | } |
| | | } |
| | |
| | | } |
| | | |
| | | nextToken() { |
| | | const curContext = this.curContext(); |
| | | if (!curContext.preserveSpace) this.skipSpace(); |
| | | this.skipSpace(); |
| | | this.state.start = this.state.pos; |
| | | if (!this.isLookahead) this.state.startLoc = this.state.curPosition(); |
| | | |
| | | if (this.state.pos >= this.length) { |
| | | this.finishToken(126); |
| | | this.finishToken(135); |
| | | return; |
| | | } |
| | | |
| | | if (curContext === types.template) { |
| | | this.readTmplToken(); |
| | | } else { |
| | | this.getTokenFromCode(this.codePointAtPos(this.state.pos)); |
| | | } |
| | | this.getTokenFromCode(this.codePointAtPos(this.state.pos)); |
| | | } |
| | | |
| | | skipBlockComment() { |
| | |
| | | if (!this.isLookahead) startLoc = this.state.curPosition(); |
| | | const start = this.state.pos; |
| | | const end = this.input.indexOf("*/", start + 2); |
| | | if (end === -1) throw this.raise(start, ErrorMessages.UnterminatedComment); |
| | | |
| | | if (end === -1) { |
| | | throw this.raise(Errors.UnterminatedComment, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos = end + 2; |
| | | lineBreakG.lastIndex = start + 2; |
| | | |
| | |
| | | |
| | | finishToken(type, val) { |
| | | this.state.end = this.state.pos; |
| | | this.state.endLoc = this.state.curPosition(); |
| | | const prevType = this.state.type; |
| | | this.state.type = type; |
| | | this.state.value = val; |
| | | |
| | | if (!this.isLookahead) { |
| | | this.state.endLoc = this.state.curPosition(); |
| | | this.updateContext(prevType); |
| | | } |
| | | } |
| | | |
| | | replaceToken(type) { |
| | | this.state.type = type; |
| | | this.updateContext(); |
| | | } |
| | | |
| | | readToken_numberSign() { |
| | |
| | | const next = this.codePointAtPos(nextPos); |
| | | |
| | | if (next >= 48 && next <= 57) { |
| | | throw this.raise(this.state.pos, ErrorMessages.UnexpectedDigitAfterHash); |
| | | throw this.raise(Errors.UnexpectedDigitAfterHash, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | if (next === 123 || next === 91 && this.hasPlugin("recordAndTuple")) { |
| | | this.expectPlugin("recordAndTuple"); |
| | | |
| | | if (this.getPluginOption("recordAndTuple", "syntaxType") !== "hash") { |
| | | throw this.raise(this.state.pos, next === 123 ? ErrorMessages.RecordExpressionHashIncorrectStartSyntaxType : ErrorMessages.TupleExpressionHashIncorrectStartSyntaxType); |
| | | throw this.raise(next === 123 ? Errors.RecordExpressionHashIncorrectStartSyntaxType : Errors.TupleExpressionHashIncorrectStartSyntaxType, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos += 2; |
| | |
| | | } |
| | | } else if (isIdentifierStart(next)) { |
| | | ++this.state.pos; |
| | | this.finishToken(125, this.readWord1(next)); |
| | | this.finishToken(134, this.readWord1(next)); |
| | | } else if (next === 92) { |
| | | ++this.state.pos; |
| | | this.finishToken(125, this.readWord1()); |
| | | this.finishToken(134, this.readWord1()); |
| | | } else { |
| | | this.finishOp(25, 1); |
| | | this.finishOp(27, 1); |
| | | } |
| | | } |
| | | |
| | |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (next === 61) { |
| | | this.finishOp(29, 2); |
| | | this.finishOp(31, 2); |
| | | } else { |
| | | this.finishOp(47, 1); |
| | | this.finishOp(56, 1); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | const value = this.input.slice(start + 2, this.state.pos); |
| | | this.finishToken(26, value); |
| | | this.finishToken(28, value); |
| | | return true; |
| | | } |
| | | |
| | | readToken_mult_modulo(code) { |
| | | let type = code === 42 ? 46 : 45; |
| | | let type = code === 42 ? 55 : 54; |
| | | let width = 1; |
| | | let next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (code === 42 && next === 42) { |
| | | width++; |
| | | next = this.input.charCodeAt(this.state.pos + 2); |
| | | type = 48; |
| | | type = 57; |
| | | } |
| | | |
| | | if (next === 61 && !this.state.inType) { |
| | | width++; |
| | | type = code === 37 ? 30 : 28; |
| | | type = code === 37 ? 33 : 30; |
| | | } |
| | | |
| | | this.finishOp(type, width); |
| | |
| | | |
| | | if (next === code) { |
| | | if (this.input.charCodeAt(this.state.pos + 2) === 61) { |
| | | this.finishOp(28, 3); |
| | | this.finishOp(30, 3); |
| | | } else { |
| | | this.finishOp(code === 124 ? 36 : 37, 2); |
| | | this.finishOp(code === 124 ? 41 : 42, 2); |
| | | } |
| | | |
| | | return; |
| | |
| | | |
| | | if (code === 124) { |
| | | if (next === 62) { |
| | | this.finishOp(34, 2); |
| | | this.finishOp(39, 2); |
| | | return; |
| | | } |
| | | |
| | | if (this.hasPlugin("recordAndTuple") && next === 125) { |
| | | if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { |
| | | throw this.raise(this.state.pos, ErrorMessages.RecordExpressionBarIncorrectEndSyntaxType); |
| | | throw this.raise(Errors.RecordExpressionBarIncorrectEndSyntaxType, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos += 2; |
| | |
| | | |
| | | if (this.hasPlugin("recordAndTuple") && next === 93) { |
| | | if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { |
| | | throw this.raise(this.state.pos, ErrorMessages.TupleExpressionBarIncorrectEndSyntaxType); |
| | | throw this.raise(Errors.TupleExpressionBarIncorrectEndSyntaxType, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos += 2; |
| | |
| | | } |
| | | |
| | | if (next === 61) { |
| | | this.finishOp(28, 2); |
| | | this.finishOp(30, 2); |
| | | return; |
| | | } |
| | | |
| | | this.finishOp(code === 124 ? 38 : 40, 1); |
| | | this.finishOp(code === 124 ? 43 : 45, 1); |
| | | } |
| | | |
| | | readToken_caret() { |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (next === 61) { |
| | | this.finishOp(28, 2); |
| | | if (next === 61 && !this.state.inType) { |
| | | this.finishOp(32, 2); |
| | | } else if (next === 94 && this.hasPlugin(["pipelineOperator", { |
| | | proposal: "hack", |
| | | topicToken: "^^" |
| | | }])) { |
| | | this.finishOp(37, 2); |
| | | const lookaheadCh = this.input.codePointAt(this.state.pos); |
| | | |
| | | if (lookaheadCh === 94) { |
| | | throw this.unexpected(); |
| | | } |
| | | } else { |
| | | this.finishOp(39, 1); |
| | | this.finishOp(44, 1); |
| | | } |
| | | } |
| | | |
| | | readToken_atSign() { |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (next === 64 && this.hasPlugin(["pipelineOperator", { |
| | | proposal: "hack", |
| | | topicToken: "@@" |
| | | }])) { |
| | | this.finishOp(38, 2); |
| | | } else { |
| | | this.finishOp(26, 1); |
| | | } |
| | | } |
| | | |
| | |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (next === code) { |
| | | this.finishOp(31, 2); |
| | | this.finishOp(34, 2); |
| | | return; |
| | | } |
| | | |
| | | if (next === 61) { |
| | | this.finishOp(28, 2); |
| | | this.finishOp(30, 2); |
| | | } else { |
| | | this.finishOp(44, 1); |
| | | this.finishOp(53, 1); |
| | | } |
| | | } |
| | | |
| | | readToken_lt_gt(code) { |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | let size = 1; |
| | | readToken_lt() { |
| | | const { |
| | | pos |
| | | } = this.state; |
| | | const next = this.input.charCodeAt(pos + 1); |
| | | |
| | | if (next === code) { |
| | | size = code === 62 && this.input.charCodeAt(this.state.pos + 2) === 62 ? 3 : 2; |
| | | |
| | | if (this.input.charCodeAt(this.state.pos + size) === 61) { |
| | | this.finishOp(28, size + 1); |
| | | if (next === 60) { |
| | | if (this.input.charCodeAt(pos + 2) === 61) { |
| | | this.finishOp(30, 3); |
| | | return; |
| | | } |
| | | |
| | | this.finishOp(43, size); |
| | | this.finishOp(51, 2); |
| | | return; |
| | | } |
| | | |
| | | if (next === 61) { |
| | | size = 2; |
| | | this.finishOp(49, 2); |
| | | return; |
| | | } |
| | | |
| | | this.finishOp(42, size); |
| | | this.finishOp(47, 1); |
| | | } |
| | | |
| | | readToken_gt() { |
| | | const { |
| | | pos |
| | | } = this.state; |
| | | const next = this.input.charCodeAt(pos + 1); |
| | | |
| | | if (next === 62) { |
| | | const size = this.input.charCodeAt(pos + 2) === 62 ? 3 : 2; |
| | | |
| | | if (this.input.charCodeAt(pos + size) === 61) { |
| | | this.finishOp(30, size + 1); |
| | | return; |
| | | } |
| | | |
| | | this.finishOp(52, size); |
| | | return; |
| | | } |
| | | |
| | | if (next === 61) { |
| | | this.finishOp(49, 2); |
| | | return; |
| | | } |
| | | |
| | | this.finishOp(48, 1); |
| | | } |
| | | |
| | | readToken_eq_excl(code) { |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (next === 61) { |
| | | this.finishOp(41, this.input.charCodeAt(this.state.pos + 2) === 61 ? 3 : 2); |
| | | this.finishOp(46, this.input.charCodeAt(this.state.pos + 2) === 61 ? 3 : 2); |
| | | return; |
| | | } |
| | | |
| | |
| | | return; |
| | | } |
| | | |
| | | this.finishOp(code === 61 ? 27 : 32, 1); |
| | | this.finishOp(code === 61 ? 29 : 35, 1); |
| | | } |
| | | |
| | | readToken_question() { |
| | |
| | | |
| | | if (next === 63) { |
| | | if (next2 === 61) { |
| | | this.finishOp(28, 3); |
| | | this.finishOp(30, 3); |
| | | } else { |
| | | this.finishOp(35, 2); |
| | | this.finishOp(40, 2); |
| | | } |
| | | } else if (next === 46 && !(next2 >= 48 && next2 <= 57)) { |
| | | this.state.pos += 2; |
| | |
| | | case 91: |
| | | if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) { |
| | | if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { |
| | | throw this.raise(this.state.pos, ErrorMessages.TupleExpressionBarIncorrectStartSyntaxType); |
| | | throw this.raise(Errors.TupleExpressionBarIncorrectStartSyntaxType, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos += 2; |
| | |
| | | case 123: |
| | | if (this.hasPlugin("recordAndTuple") && this.input.charCodeAt(this.state.pos + 1) === 124) { |
| | | if (this.getPluginOption("recordAndTuple", "syntaxType") !== "bar") { |
| | | throw this.raise(this.state.pos, ErrorMessages.RecordExpressionBarIncorrectStartSyntaxType); |
| | | throw this.raise(Errors.RecordExpressionBarIncorrectStartSyntaxType, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos += 2; |
| | |
| | | return; |
| | | |
| | | case 96: |
| | | ++this.state.pos; |
| | | this.finishToken(22); |
| | | this.readTemplateToken(); |
| | | return; |
| | | |
| | | case 48: |
| | |
| | | return; |
| | | |
| | | case 60: |
| | | this.readToken_lt(); |
| | | return; |
| | | |
| | | case 62: |
| | | this.readToken_lt_gt(code); |
| | | this.readToken_gt(); |
| | | return; |
| | | |
| | | case 61: |
| | |
| | | return; |
| | | |
| | | case 126: |
| | | this.finishOp(33, 1); |
| | | this.finishOp(36, 1); |
| | | return; |
| | | |
| | | case 64: |
| | | ++this.state.pos; |
| | | this.finishToken(24); |
| | | this.readToken_atSign(); |
| | | return; |
| | | |
| | | case 35: |
| | |
| | | |
| | | } |
| | | |
| | | throw this.raise(this.state.pos, ErrorMessages.InvalidOrUnexpectedToken, String.fromCodePoint(code)); |
| | | throw this.raise(Errors.InvalidOrUnexpectedToken, { |
| | | at: this.state.curPosition(), |
| | | unexpected: String.fromCodePoint(code) |
| | | }); |
| | | } |
| | | |
| | | finishOp(type, size) { |
| | |
| | | } |
| | | |
| | | readRegexp() { |
| | | const startLoc = this.state.startLoc; |
| | | const start = this.state.start + 1; |
| | | let escaped, inClass; |
| | | let { |
| | |
| | | |
| | | for (;; ++pos) { |
| | | if (pos >= this.length) { |
| | | throw this.raise(start, ErrorMessages.UnterminatedRegExp); |
| | | throw this.raise(Errors.UnterminatedRegExp, { |
| | | at: createPositionWithColumnOffset(startLoc, 1) |
| | | }); |
| | | } |
| | | |
| | | const ch = this.input.charCodeAt(pos); |
| | | |
| | | if (isNewLine(ch)) { |
| | | throw this.raise(start, ErrorMessages.UnterminatedRegExp); |
| | | throw this.raise(Errors.UnterminatedRegExp, { |
| | | at: createPositionWithColumnOffset(startLoc, 1) |
| | | }); |
| | | } |
| | | |
| | | if (escaped) { |
| | |
| | | ++pos; |
| | | let mods = ""; |
| | | |
| | | const nextPos = () => createPositionWithColumnOffset(startLoc, pos + 2 - start); |
| | | |
| | | while (pos < this.length) { |
| | | const cp = this.codePointAtPos(pos); |
| | | const char = String.fromCharCode(cp); |
| | | |
| | | if (VALID_REGEX_FLAGS.has(cp)) { |
| | | if (cp === 118) { |
| | | this.expectPlugin("regexpUnicodeSets", nextPos()); |
| | | |
| | | if (mods.includes("u")) { |
| | | this.raise(Errors.IncompatibleRegExpUVFlags, { |
| | | at: nextPos() |
| | | }); |
| | | } |
| | | } else if (cp === 117) { |
| | | if (mods.includes("v")) { |
| | | this.raise(Errors.IncompatibleRegExpUVFlags, { |
| | | at: nextPos() |
| | | }); |
| | | } |
| | | } |
| | | |
| | | if (mods.includes(char)) { |
| | | this.raise(pos + 1, ErrorMessages.DuplicateRegExpFlags); |
| | | this.raise(Errors.DuplicateRegExpFlags, { |
| | | at: nextPos() |
| | | }); |
| | | } |
| | | } else if (isIdentifierChar(cp) || cp === 92) { |
| | | this.raise(pos + 1, ErrorMessages.MalformedRegExpFlags); |
| | | this.raise(Errors.MalformedRegExpFlags, { |
| | | at: nextPos() |
| | | }); |
| | | } else { |
| | | break; |
| | | } |
| | |
| | | } |
| | | |
| | | this.state.pos = pos; |
| | | this.finishToken(124, { |
| | | this.finishToken(133, { |
| | | pattern: content, |
| | | flags: mods |
| | | }); |
| | |
| | | readInt(radix, len, forceLen, allowNumSeparator = true) { |
| | | const start = this.state.pos; |
| | | const forbiddenSiblings = radix === 16 ? forbiddenNumericSeparatorSiblings.hex : forbiddenNumericSeparatorSiblings.decBinOct; |
| | | const allowedSiblings = radix === 16 ? allowedNumericSeparatorSiblings.hex : radix === 10 ? allowedNumericSeparatorSiblings.dec : radix === 8 ? allowedNumericSeparatorSiblings.oct : allowedNumericSeparatorSiblings.bin; |
| | | const isAllowedSibling = radix === 16 ? isAllowedNumericSeparatorSibling.hex : radix === 10 ? isAllowedNumericSeparatorSibling.dec : radix === 8 ? isAllowedNumericSeparatorSibling.oct : isAllowedNumericSeparatorSibling.bin; |
| | | let invalid = false; |
| | | let total = 0; |
| | | |
| | |
| | | const code = this.input.charCodeAt(this.state.pos); |
| | | let val; |
| | | |
| | | if (code === 95) { |
| | | if (code === 95 && allowNumSeparator !== "bail") { |
| | | const prev = this.input.charCodeAt(this.state.pos - 1); |
| | | const next = this.input.charCodeAt(this.state.pos + 1); |
| | | |
| | | if (allowedSiblings.indexOf(next) === -1) { |
| | | this.raise(this.state.pos, ErrorMessages.UnexpectedNumericSeparator); |
| | | } else if (forbiddenSiblings.indexOf(prev) > -1 || forbiddenSiblings.indexOf(next) > -1 || Number.isNaN(next)) { |
| | | this.raise(this.state.pos, ErrorMessages.UnexpectedNumericSeparator); |
| | | } |
| | | |
| | | if (!allowNumSeparator) { |
| | | this.raise(this.state.pos, ErrorMessages.NumericSeparatorInEscapeSequence); |
| | | this.raise(Errors.NumericSeparatorInEscapeSequence, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } else if (Number.isNaN(next) || !isAllowedSibling(next) || forbiddenSiblings.has(prev) || forbiddenSiblings.has(next)) { |
| | | this.raise(Errors.UnexpectedNumericSeparator, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | ++this.state.pos; |
| | |
| | | if (val >= radix) { |
| | | if (this.options.errorRecovery && val <= 9) { |
| | | val = 0; |
| | | this.raise(this.state.start + i + 2, ErrorMessages.InvalidDigit, radix); |
| | | this.raise(Errors.InvalidDigit, { |
| | | at: this.state.curPosition(), |
| | | radix |
| | | }); |
| | | } else if (forceLen) { |
| | | val = 0; |
| | | invalid = true; |
| | |
| | | } |
| | | |
| | | readRadixNumber(radix) { |
| | | const start = this.state.pos; |
| | | const startLoc = this.state.curPosition(); |
| | | let isBigInt = false; |
| | | this.state.pos += 2; |
| | | const val = this.readInt(radix); |
| | | |
| | | if (val == null) { |
| | | this.raise(this.state.start + 2, ErrorMessages.InvalidDigit, radix); |
| | | this.raise(Errors.InvalidDigit, { |
| | | at: createPositionWithColumnOffset(startLoc, 2), |
| | | radix |
| | | }); |
| | | } |
| | | |
| | | const next = this.input.charCodeAt(this.state.pos); |
| | |
| | | ++this.state.pos; |
| | | isBigInt = true; |
| | | } else if (next === 109) { |
| | | throw this.raise(start, ErrorMessages.InvalidDecimal); |
| | | throw this.raise(Errors.InvalidDecimal, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | if (isIdentifierStart(this.codePointAtPos(this.state.pos))) { |
| | | throw this.raise(this.state.pos, ErrorMessages.NumberIdentifier); |
| | | throw this.raise(Errors.NumberIdentifier, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | if (isBigInt) { |
| | | const str = this.input.slice(start, this.state.pos).replace(/[_n]/g, ""); |
| | | this.finishToken(122, str); |
| | | const str = this.input.slice(startLoc.index, this.state.pos).replace(/[_n]/g, ""); |
| | | this.finishToken(131, str); |
| | | return; |
| | | } |
| | | |
| | | this.finishToken(121, val); |
| | | this.finishToken(130, val); |
| | | } |
| | | |
| | | readNumber(startsWithDot) { |
| | | const start = this.state.pos; |
| | | const startLoc = this.state.curPosition(); |
| | | let isFloat = false; |
| | | let isBigInt = false; |
| | | let isDecimal = false; |
| | |
| | | let isOctal = false; |
| | | |
| | | if (!startsWithDot && this.readInt(10) === null) { |
| | | this.raise(start, ErrorMessages.InvalidNumber); |
| | | this.raise(Errors.InvalidNumber, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | const hasLeadingZero = this.state.pos - start >= 2 && this.input.charCodeAt(start) === 48; |
| | | |
| | | if (hasLeadingZero) { |
| | | const integer = this.input.slice(start, this.state.pos); |
| | | this.recordStrictModeErrors(start, ErrorMessages.StrictOctalLiteral); |
| | | this.recordStrictModeErrors(Errors.StrictOctalLiteral, { |
| | | at: startLoc |
| | | }); |
| | | |
| | | if (!this.state.strict) { |
| | | const underscorePos = integer.indexOf("_"); |
| | | |
| | | if (underscorePos > 0) { |
| | | this.raise(underscorePos + start, ErrorMessages.ZeroDigitNumericSeparator); |
| | | this.raise(Errors.ZeroDigitNumericSeparator, { |
| | | at: createPositionWithColumnOffset(startLoc, underscorePos) |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | if (this.readInt(10) === null) { |
| | | this.raise(start, ErrorMessages.InvalidOrMissingExponent); |
| | | this.raise(Errors.InvalidOrMissingExponent, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | isFloat = true; |
| | |
| | | |
| | | if (next === 110) { |
| | | if (isFloat || hasLeadingZero) { |
| | | this.raise(start, ErrorMessages.InvalidBigIntLiteral); |
| | | this.raise(Errors.InvalidBigIntLiteral, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | ++this.state.pos; |
| | |
| | | } |
| | | |
| | | if (next === 109) { |
| | | this.expectPlugin("decimal", this.state.pos); |
| | | this.expectPlugin("decimal", this.state.curPosition()); |
| | | |
| | | if (hasExponent || hasLeadingZero) { |
| | | this.raise(start, ErrorMessages.InvalidDecimal); |
| | | this.raise(Errors.InvalidDecimal, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | ++this.state.pos; |
| | |
| | | } |
| | | |
| | | if (isIdentifierStart(this.codePointAtPos(this.state.pos))) { |
| | | throw this.raise(this.state.pos, ErrorMessages.NumberIdentifier); |
| | | throw this.raise(Errors.NumberIdentifier, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | const str = this.input.slice(start, this.state.pos).replace(/[_mn]/g, ""); |
| | | |
| | | if (isBigInt) { |
| | | this.finishToken(122, str); |
| | | this.finishToken(131, str); |
| | | return; |
| | | } |
| | | |
| | | if (isDecimal) { |
| | | this.finishToken(123, str); |
| | | this.finishToken(132, str); |
| | | return; |
| | | } |
| | | |
| | | const val = isOctal ? parseInt(str, 8) : parseFloat(str); |
| | | this.finishToken(121, val); |
| | | this.finishToken(130, val); |
| | | } |
| | | |
| | | readCodePoint(throwOnInvalid) { |
| | |
| | | let code; |
| | | |
| | | if (ch === 123) { |
| | | const codePos = ++this.state.pos; |
| | | ++this.state.pos; |
| | | code = this.readHexChar(this.input.indexOf("}", this.state.pos) - this.state.pos, true, throwOnInvalid); |
| | | ++this.state.pos; |
| | | |
| | | if (code !== null && code > 0x10ffff) { |
| | | if (throwOnInvalid) { |
| | | this.raise(codePos, ErrorMessages.InvalidCodePoint); |
| | | this.raise(Errors.InvalidCodePoint, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } else { |
| | | return null; |
| | | } |
| | |
| | | |
| | | for (;;) { |
| | | if (this.state.pos >= this.length) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnterminatedString); |
| | | throw this.raise(Errors.UnterminatedString, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const ch = this.input.charCodeAt(this.state.pos); |
| | |
| | | ++this.state.curLine; |
| | | this.state.lineStart = this.state.pos; |
| | | } else if (isNewLine(ch)) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnterminatedString); |
| | | throw this.raise(Errors.UnterminatedString, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } else { |
| | | ++this.state.pos; |
| | | } |
| | | } |
| | | |
| | | out += this.input.slice(chunkStart, this.state.pos++); |
| | | this.finishToken(120, out); |
| | | this.finishToken(129, out); |
| | | } |
| | | |
| | | readTmplToken() { |
| | | readTemplateContinuation() { |
| | | if (!this.match(8)) { |
| | | this.unexpected(null, 8); |
| | | } |
| | | |
| | | this.state.pos--; |
| | | this.readTemplateToken(); |
| | | } |
| | | |
| | | readTemplateToken() { |
| | | let out = "", |
| | | chunkStart = this.state.pos, |
| | | containsInvalid = false; |
| | | ++this.state.pos; |
| | | |
| | | for (;;) { |
| | | if (this.state.pos >= this.length) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnterminatedTemplate); |
| | | throw this.raise(Errors.UnterminatedTemplate, { |
| | | at: createPositionWithColumnOffset(this.state.startLoc, 1) |
| | | }); |
| | | } |
| | | |
| | | const ch = this.input.charCodeAt(this.state.pos); |
| | | |
| | | if (ch === 96 || ch === 36 && this.input.charCodeAt(this.state.pos + 1) === 123) { |
| | | if (this.state.pos === this.state.start && this.match(20)) { |
| | | if (ch === 36) { |
| | | this.state.pos += 2; |
| | | this.finishToken(23); |
| | | return; |
| | | } else { |
| | | ++this.state.pos; |
| | | this.finishToken(22); |
| | | return; |
| | | } |
| | | } |
| | | |
| | | if (ch === 96) { |
| | | ++this.state.pos; |
| | | out += this.input.slice(chunkStart, this.state.pos); |
| | | this.finishToken(20, containsInvalid ? null : out); |
| | | this.finishToken(24, containsInvalid ? null : out); |
| | | return; |
| | | } |
| | | |
| | | if (ch === 36 && this.input.charCodeAt(this.state.pos + 1) === 123) { |
| | | this.state.pos += 2; |
| | | out += this.input.slice(chunkStart, this.state.pos); |
| | | this.finishToken(25, containsInvalid ? null : out); |
| | | return; |
| | | } |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | recordStrictModeErrors(pos, message) { |
| | | if (this.state.strict && !this.state.strictErrors.has(pos)) { |
| | | this.raise(pos, message); |
| | | recordStrictModeErrors(toParseError, { |
| | | at |
| | | }) { |
| | | const index = at.index; |
| | | |
| | | if (this.state.strict && !this.state.strictErrors.has(index)) { |
| | | this.raise(toParseError, { |
| | | at |
| | | }); |
| | | } else { |
| | | this.state.strictErrors.set(pos, message); |
| | | this.state.strictErrors.set(index, [toParseError, at]); |
| | | } |
| | | } |
| | | |
| | |
| | | if (inTemplate) { |
| | | return null; |
| | | } else { |
| | | this.recordStrictModeErrors(this.state.pos - 1, ErrorMessages.StrictNumericEscape); |
| | | this.recordStrictModeErrors(Errors.StrictNumericEscape, { |
| | | at: createPositionWithColumnOffset(this.state.curPosition(), -1) |
| | | }); |
| | | } |
| | | |
| | | default: |
| | | if (ch >= 48 && ch <= 55) { |
| | | const codePos = this.state.pos - 1; |
| | | const match = this.input.substr(this.state.pos - 1, 3).match(/^[0-7]+/); |
| | | const codePos = createPositionWithColumnOffset(this.state.curPosition(), -1); |
| | | const match = this.input.slice(this.state.pos - 1, this.state.pos + 2).match(/^[0-7]+/); |
| | | let octalStr = match[0]; |
| | | let octal = parseInt(octalStr, 8); |
| | | |
| | |
| | | if (inTemplate) { |
| | | return null; |
| | | } else { |
| | | this.recordStrictModeErrors(codePos, ErrorMessages.StrictNumericEscape); |
| | | this.recordStrictModeErrors(Errors.StrictNumericEscape, { |
| | | at: codePos |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | readHexChar(len, forceLen, throwOnInvalid) { |
| | | const codePos = this.state.pos; |
| | | const codeLoc = this.state.curPosition(); |
| | | const n = this.readInt(16, len, forceLen, false); |
| | | |
| | | if (n === null) { |
| | | if (throwOnInvalid) { |
| | | this.raise(codePos, ErrorMessages.InvalidEscapeSequence); |
| | | this.raise(Errors.InvalidEscapeSequence, { |
| | | at: codeLoc |
| | | }); |
| | | } else { |
| | | this.state.pos = codePos - 1; |
| | | this.state.pos = codeLoc.index - 1; |
| | | } |
| | | } |
| | | |
| | |
| | | } else if (ch === 92) { |
| | | this.state.containsEsc = true; |
| | | word += this.input.slice(chunkStart, this.state.pos); |
| | | const escStart = this.state.pos; |
| | | const escStart = this.state.curPosition(); |
| | | const identifierCheck = this.state.pos === start ? isIdentifierStart : isIdentifierChar; |
| | | |
| | | if (this.input.charCodeAt(++this.state.pos) !== 117) { |
| | | this.raise(this.state.pos, ErrorMessages.MissingUnicodeEscape); |
| | | this.raise(Errors.MissingUnicodeEscape, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | chunkStart = this.state.pos - 1; |
| | | continue; |
| | | } |
| | |
| | | |
| | | if (esc !== null) { |
| | | if (!identifierCheck(esc)) { |
| | | this.raise(escStart, ErrorMessages.EscapedCharNotAnIdentifier); |
| | | this.raise(Errors.EscapedCharNotAnIdentifier, { |
| | | at: escStart |
| | | }); |
| | | } |
| | | |
| | | word += String.fromCodePoint(esc); |
| | |
| | | if (type !== undefined) { |
| | | this.finishToken(type, tokenLabelName(type)); |
| | | } else { |
| | | this.finishToken(119, word); |
| | | this.finishToken(128, word); |
| | | } |
| | | } |
| | | |
| | |
| | | } = this.state; |
| | | |
| | | if (tokenIsKeyword(type) && this.state.containsEsc) { |
| | | this.raise(this.state.start, ErrorMessages.InvalidEscapedReservedWord, tokenLabelName(type)); |
| | | this.raise(Errors.InvalidEscapedReservedWord, { |
| | | at: this.state.startLoc, |
| | | reservedWord: tokenLabelName(type) |
| | | }); |
| | | } |
| | | } |
| | | |
| | | updateContext(prevType) { |
| | | raise(toParseError, raiseProperties) { |
| | | const { |
| | | context, |
| | | type |
| | | } = this.state; |
| | | at |
| | | } = raiseProperties, |
| | | details = _objectWithoutPropertiesLoose(raiseProperties, _excluded); |
| | | |
| | | switch (type) { |
| | | case 8: |
| | | context.pop(); |
| | | break; |
| | | const loc = at instanceof Position ? at : at.loc.start; |
| | | const error = toParseError({ |
| | | loc, |
| | | details |
| | | }); |
| | | if (!this.options.errorRecovery) throw error; |
| | | if (!this.isLookahead) this.state.errors.push(error); |
| | | return error; |
| | | } |
| | | |
| | | case 5: |
| | | case 7: |
| | | case 23: |
| | | context.push(types.brace); |
| | | break; |
| | | raiseOverwrite(toParseError, raiseProperties) { |
| | | const { |
| | | at |
| | | } = raiseProperties, |
| | | details = _objectWithoutPropertiesLoose(raiseProperties, _excluded2); |
| | | |
| | | case 22: |
| | | if (context[context.length - 1] === types.template) { |
| | | context.pop(); |
| | | } else { |
| | | context.push(types.template); |
| | | } |
| | | const loc = at instanceof Position ? at : at.loc.start; |
| | | const pos = loc.index; |
| | | const errors = this.state.errors; |
| | | |
| | | break; |
| | | for (let i = errors.length - 1; i >= 0; i--) { |
| | | const error = errors[i]; |
| | | |
| | | if (error.loc.index === pos) { |
| | | return errors[i] = toParseError({ |
| | | loc, |
| | | details |
| | | }); |
| | | } |
| | | |
| | | if (error.loc.index < pos) break; |
| | | } |
| | | |
| | | return this.raise(toParseError, raiseProperties); |
| | | } |
| | | |
| | | updateContext(prevType) {} |
| | | |
| | | unexpected(loc, type) { |
| | | throw this.raise(Errors.UnexpectedToken, { |
| | | expected: type ? tokenLabelName(type) : null, |
| | | at: loc != null ? loc : this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | expectPlugin(pluginName, loc) { |
| | | if (this.hasPlugin(pluginName)) { |
| | | return true; |
| | | } |
| | | |
| | | throw this.raise(Errors.MissingPlugin, { |
| | | at: loc != null ? loc : this.state.startLoc, |
| | | missingPlugin: [pluginName] |
| | | }); |
| | | } |
| | | |
| | | expectOnePlugin(pluginNames) { |
| | | if (!pluginNames.some(name => this.hasPlugin(name))) { |
| | | throw this.raise(Errors.MissingOneOfPlugins, { |
| | | at: this.state.startLoc, |
| | | missingPlugin: pluginNames |
| | | }); |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | class Scope { |
| | | constructor(flags) { |
| | | this.var = new Set(); |
| | | this.lexical = new Set(); |
| | | this.functions = new Set(); |
| | | this.flags = flags; |
| | | } |
| | | |
| | | } |
| | | class ScopeHandler { |
| | | constructor(parser, inModule) { |
| | | this.parser = void 0; |
| | | this.scopeStack = []; |
| | | this.inModule = void 0; |
| | | this.undefinedExports = new Map(); |
| | | this.parser = parser; |
| | | this.inModule = inModule; |
| | | } |
| | | |
| | | get inFunction() { |
| | | return (this.currentVarScopeFlags() & SCOPE_FUNCTION) > 0; |
| | | } |
| | | |
| | | get allowSuper() { |
| | | return (this.currentThisScopeFlags() & SCOPE_SUPER) > 0; |
| | | } |
| | | |
| | | get allowDirectSuper() { |
| | | return (this.currentThisScopeFlags() & SCOPE_DIRECT_SUPER) > 0; |
| | | } |
| | | |
| | | get inClass() { |
| | | return (this.currentThisScopeFlags() & SCOPE_CLASS) > 0; |
| | | } |
| | | |
| | | get inClassAndNotInNonArrowFunction() { |
| | | const flags = this.currentThisScopeFlags(); |
| | | return (flags & SCOPE_CLASS) > 0 && (flags & SCOPE_FUNCTION) === 0; |
| | | } |
| | | |
| | | get inStaticBlock() { |
| | | for (let i = this.scopeStack.length - 1;; i--) { |
| | | const { |
| | | flags |
| | | } = this.scopeStack[i]; |
| | | |
| | | if (flags & SCOPE_STATIC_BLOCK) { |
| | | return true; |
| | | } |
| | | |
| | | if (flags & (SCOPE_VAR | SCOPE_CLASS)) { |
| | | return false; |
| | | } |
| | | } |
| | | } |
| | | |
| | | get inNonArrowFunction() { |
| | | return (this.currentThisScopeFlags() & SCOPE_FUNCTION) > 0; |
| | | } |
| | | |
| | | get treatFunctionsAsVar() { |
| | | return this.treatFunctionsAsVarInScope(this.currentScope()); |
| | | } |
| | | |
| | | createScope(flags) { |
| | | return new Scope(flags); |
| | | } |
| | | |
| | | enter(flags) { |
| | | this.scopeStack.push(this.createScope(flags)); |
| | | } |
| | | |
| | | exit() { |
| | | this.scopeStack.pop(); |
| | | } |
| | | |
| | | treatFunctionsAsVarInScope(scope) { |
| | | return !!(scope.flags & (SCOPE_FUNCTION | SCOPE_STATIC_BLOCK) || !this.parser.inModule && scope.flags & SCOPE_PROGRAM); |
| | | } |
| | | |
| | | declareName(name, bindingType, loc) { |
| | | let scope = this.currentScope(); |
| | | |
| | | if (bindingType & BIND_SCOPE_LEXICAL || bindingType & BIND_SCOPE_FUNCTION) { |
| | | this.checkRedeclarationInScope(scope, name, bindingType, loc); |
| | | |
| | | if (bindingType & BIND_SCOPE_FUNCTION) { |
| | | scope.functions.add(name); |
| | | } else { |
| | | scope.lexical.add(name); |
| | | } |
| | | |
| | | if (bindingType & BIND_SCOPE_LEXICAL) { |
| | | this.maybeExportDefined(scope, name); |
| | | } |
| | | } else if (bindingType & BIND_SCOPE_VAR) { |
| | | for (let i = this.scopeStack.length - 1; i >= 0; --i) { |
| | | scope = this.scopeStack[i]; |
| | | this.checkRedeclarationInScope(scope, name, bindingType, loc); |
| | | scope.var.add(name); |
| | | this.maybeExportDefined(scope, name); |
| | | if (scope.flags & SCOPE_VAR) break; |
| | | } |
| | | } |
| | | |
| | | if (this.parser.inModule && scope.flags & SCOPE_PROGRAM) { |
| | | this.undefinedExports.delete(name); |
| | | } |
| | | } |
| | | |
| | | maybeExportDefined(scope, name) { |
| | | if (this.parser.inModule && scope.flags & SCOPE_PROGRAM) { |
| | | this.undefinedExports.delete(name); |
| | | } |
| | | } |
| | | |
| | | checkRedeclarationInScope(scope, name, bindingType, loc) { |
| | | if (this.isRedeclaredInScope(scope, name, bindingType)) { |
| | | this.parser.raise(Errors.VarRedeclaration, { |
| | | at: loc, |
| | | identifierName: name |
| | | }); |
| | | } |
| | | } |
| | | |
| | | isRedeclaredInScope(scope, name, bindingType) { |
| | | if (!(bindingType & BIND_KIND_VALUE)) return false; |
| | | |
| | | if (bindingType & BIND_SCOPE_LEXICAL) { |
| | | return scope.lexical.has(name) || scope.functions.has(name) || scope.var.has(name); |
| | | } |
| | | |
| | | if (bindingType & BIND_SCOPE_FUNCTION) { |
| | | return scope.lexical.has(name) || !this.treatFunctionsAsVarInScope(scope) && scope.var.has(name); |
| | | } |
| | | |
| | | return scope.lexical.has(name) && !(scope.flags & SCOPE_SIMPLE_CATCH && scope.lexical.values().next().value === name) || !this.treatFunctionsAsVarInScope(scope) && scope.functions.has(name); |
| | | } |
| | | |
| | | checkLocalExport(id) { |
| | | const { |
| | | name |
| | | } = id; |
| | | const topLevelScope = this.scopeStack[0]; |
| | | |
| | | if (!topLevelScope.lexical.has(name) && !topLevelScope.var.has(name) && !topLevelScope.functions.has(name)) { |
| | | this.undefinedExports.set(name, id.loc.start); |
| | | } |
| | | } |
| | | |
| | | currentScope() { |
| | | return this.scopeStack[this.scopeStack.length - 1]; |
| | | } |
| | | |
| | | currentVarScopeFlags() { |
| | | for (let i = this.scopeStack.length - 1;; i--) { |
| | | const { |
| | | flags |
| | | } = this.scopeStack[i]; |
| | | |
| | | if (flags & SCOPE_VAR) { |
| | | return flags; |
| | | } |
| | | } |
| | | } |
| | | |
| | | currentThisScopeFlags() { |
| | | for (let i = this.scopeStack.length - 1;; i--) { |
| | | const { |
| | | flags |
| | | } = this.scopeStack[i]; |
| | | |
| | | if (flags & (SCOPE_VAR | SCOPE_CLASS) && !(flags & SCOPE_ARROW)) { |
| | | return flags; |
| | | } |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | class FlowScope extends Scope { |
| | | constructor(...args) { |
| | | super(...args); |
| | | this.declareFunctions = new Set(); |
| | | } |
| | | |
| | | } |
| | | |
| | | class FlowScopeHandler extends ScopeHandler { |
| | | createScope(flags) { |
| | | return new FlowScope(flags); |
| | | } |
| | | |
| | | declareName(name, bindingType, loc) { |
| | | const scope = this.currentScope(); |
| | | |
| | | if (bindingType & BIND_FLAGS_FLOW_DECLARE_FN) { |
| | | this.checkRedeclarationInScope(scope, name, bindingType, loc); |
| | | this.maybeExportDefined(scope, name); |
| | | scope.declareFunctions.add(name); |
| | | return; |
| | | } |
| | | |
| | | super.declareName(...arguments); |
| | | } |
| | | |
| | | isRedeclaredInScope(scope, name, bindingType) { |
| | | if (super.isRedeclaredInScope(...arguments)) return true; |
| | | |
| | | if (bindingType & BIND_FLAGS_FLOW_DECLARE_FN) { |
| | | return !scope.declareFunctions.has(name) && (scope.lexical.has(name) || scope.functions.has(name)); |
| | | } |
| | | |
| | | return false; |
| | | } |
| | | |
| | | checkLocalExport(id) { |
| | | if (!this.scopeStack[0].declareFunctions.has(id.name)) { |
| | | super.checkLocalExport(id); |
| | | } |
| | | } |
| | | |
| | |
| | | |
| | | } |
| | | class ClassScopeHandler { |
| | | constructor(raise) { |
| | | constructor(parser) { |
| | | this.parser = void 0; |
| | | this.stack = []; |
| | | this.undefinedPrivateNames = new Map(); |
| | | this.raise = raise; |
| | | this.parser = parser; |
| | | } |
| | | |
| | | current() { |
| | |
| | | const oldClassScope = this.stack.pop(); |
| | | const current = this.current(); |
| | | |
| | | for (const [name, pos] of Array.from(oldClassScope.undefinedPrivateNames)) { |
| | | for (const [name, loc] of Array.from(oldClassScope.undefinedPrivateNames)) { |
| | | if (current) { |
| | | if (!current.undefinedPrivateNames.has(name)) { |
| | | current.undefinedPrivateNames.set(name, pos); |
| | | current.undefinedPrivateNames.set(name, loc); |
| | | } |
| | | } else { |
| | | this.raise(pos, ErrorMessages.InvalidPrivateFieldResolution, name); |
| | | this.parser.raise(Errors.InvalidPrivateFieldResolution, { |
| | | at: loc, |
| | | identifierName: name |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | declarePrivateName(name, elementType, pos) { |
| | | const classScope = this.current(); |
| | | let redefined = classScope.privateNames.has(name); |
| | | declarePrivateName(name, elementType, loc) { |
| | | const { |
| | | privateNames, |
| | | loneAccessors, |
| | | undefinedPrivateNames |
| | | } = this.current(); |
| | | let redefined = privateNames.has(name); |
| | | |
| | | if (elementType & CLASS_ELEMENT_KIND_ACCESSOR) { |
| | | const accessor = redefined && classScope.loneAccessors.get(name); |
| | | const accessor = redefined && loneAccessors.get(name); |
| | | |
| | | if (accessor) { |
| | | const oldStatic = accessor & CLASS_ELEMENT_FLAG_STATIC; |
| | |
| | | const oldKind = accessor & CLASS_ELEMENT_KIND_ACCESSOR; |
| | | const newKind = elementType & CLASS_ELEMENT_KIND_ACCESSOR; |
| | | redefined = oldKind === newKind || oldStatic !== newStatic; |
| | | if (!redefined) classScope.loneAccessors.delete(name); |
| | | if (!redefined) loneAccessors.delete(name); |
| | | } else if (!redefined) { |
| | | classScope.loneAccessors.set(name, elementType); |
| | | loneAccessors.set(name, elementType); |
| | | } |
| | | } |
| | | |
| | | if (redefined) { |
| | | this.raise(pos, ErrorMessages.PrivateNameRedeclaration, name); |
| | | this.parser.raise(Errors.PrivateNameRedeclaration, { |
| | | at: loc, |
| | | identifierName: name |
| | | }); |
| | | } |
| | | |
| | | classScope.privateNames.add(name); |
| | | classScope.undefinedPrivateNames.delete(name); |
| | | privateNames.add(name); |
| | | undefinedPrivateNames.delete(name); |
| | | } |
| | | |
| | | usePrivateName(name, pos) { |
| | | usePrivateName(name, loc) { |
| | | let classScope; |
| | | |
| | | for (classScope of this.stack) { |
| | |
| | | } |
| | | |
| | | if (classScope) { |
| | | classScope.undefinedPrivateNames.set(name, pos); |
| | | classScope.undefinedPrivateNames.set(name, loc); |
| | | } else { |
| | | this.raise(pos, ErrorMessages.InvalidPrivateFieldResolution, name); |
| | | this.parser.raise(Errors.InvalidPrivateFieldResolution, { |
| | | at: loc, |
| | | identifierName: name |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | class ArrowHeadParsingScope extends ExpressionScope { |
| | | constructor(type) { |
| | | super(type); |
| | | this.errors = new Map(); |
| | | this.declarationErrors = new Map(); |
| | | } |
| | | |
| | | recordDeclarationError(pos, template) { |
| | | this.errors.set(pos, template); |
| | | recordDeclarationError(ParsingErrorClass, { |
| | | at |
| | | }) { |
| | | const index = at.index; |
| | | this.declarationErrors.set(index, [ParsingErrorClass, at]); |
| | | } |
| | | |
| | | clearDeclarationError(pos) { |
| | | this.errors.delete(pos); |
| | | clearDeclarationError(index) { |
| | | this.declarationErrors.delete(index); |
| | | } |
| | | |
| | | iterateErrors(iterator) { |
| | | this.errors.forEach(iterator); |
| | | this.declarationErrors.forEach(iterator); |
| | | } |
| | | |
| | | } |
| | | |
| | | class ExpressionScopeHandler { |
| | | constructor(raise) { |
| | | constructor(parser) { |
| | | this.parser = void 0; |
| | | this.stack = [new ExpressionScope()]; |
| | | this.raise = raise; |
| | | this.parser = parser; |
| | | } |
| | | |
| | | enter(scope) { |
| | |
| | | this.stack.pop(); |
| | | } |
| | | |
| | | recordParameterInitializerError(pos, template) { |
| | | recordParameterInitializerError(toParseError, { |
| | | at: node |
| | | }) { |
| | | const origin = { |
| | | at: node.loc.start |
| | | }; |
| | | const { |
| | | stack |
| | | } = this; |
| | |
| | | |
| | | while (!scope.isCertainlyParameterDeclaration()) { |
| | | if (scope.canBeArrowParameterDeclaration()) { |
| | | scope.recordDeclarationError(pos, template); |
| | | scope.recordDeclarationError(toParseError, origin); |
| | | } else { |
| | | return; |
| | | } |
| | |
| | | scope = stack[--i]; |
| | | } |
| | | |
| | | this.raise(pos, template); |
| | | this.parser.raise(toParseError, origin); |
| | | } |
| | | |
| | | recordParenthesizedIdentifierError(pos, template) { |
| | | recordArrowParemeterBindingError(error, { |
| | | at: node |
| | | }) { |
| | | const { |
| | | stack |
| | | } = this; |
| | | const scope = stack[stack.length - 1]; |
| | | const origin = { |
| | | at: node.loc.start |
| | | }; |
| | | |
| | | if (scope.isCertainlyParameterDeclaration()) { |
| | | this.raise(pos, template); |
| | | this.parser.raise(error, origin); |
| | | } else if (scope.canBeArrowParameterDeclaration()) { |
| | | scope.recordDeclarationError(pos, template); |
| | | scope.recordDeclarationError(error, origin); |
| | | } else { |
| | | return; |
| | | } |
| | | } |
| | | |
| | | recordAsyncArrowParametersError(pos, template) { |
| | | recordAsyncArrowParametersError({ |
| | | at |
| | | }) { |
| | | const { |
| | | stack |
| | | } = this; |
| | |
| | | |
| | | while (scope.canBeArrowParameterDeclaration()) { |
| | | if (scope.type === kMaybeAsyncArrowParameterDeclaration) { |
| | | scope.recordDeclarationError(pos, template); |
| | | scope.recordDeclarationError(Errors.AwaitBindingIdentifier, { |
| | | at |
| | | }); |
| | | } |
| | | |
| | | scope = stack[--i]; |
| | |
| | | } = this; |
| | | const currentScope = stack[stack.length - 1]; |
| | | if (!currentScope.canBeArrowParameterDeclaration()) return; |
| | | currentScope.iterateErrors((template, pos) => { |
| | | this.raise(pos, template); |
| | | currentScope.iterateErrors(([toParseError, loc]) => { |
| | | this.parser.raise(toParseError, { |
| | | at: loc |
| | | }); |
| | | let i = stack.length - 2; |
| | | let scope = stack[i]; |
| | | |
| | | while (scope.canBeArrowParameterDeclaration()) { |
| | | scope.clearDeclarationError(pos); |
| | | scope.clearDeclarationError(loc.index); |
| | | scope = stack[--i]; |
| | | } |
| | | }); |
| | |
| | | } |
| | | |
| | | class UtilParser extends Tokenizer { |
| | | addExtra(node, key, val) { |
| | | addExtra(node, key, value, enumerable = true) { |
| | | if (!node) return; |
| | | const extra = node.extra = node.extra || {}; |
| | | extra[key] = val; |
| | | } |
| | | |
| | | isRelational(op) { |
| | | return this.match(42) && this.state.value === op; |
| | | } |
| | | |
| | | expectRelational(op) { |
| | | if (this.isRelational(op)) { |
| | | this.next(); |
| | | if (enumerable) { |
| | | extra[key] = value; |
| | | } else { |
| | | this.unexpected(null, 42); |
| | | Object.defineProperty(extra, key, { |
| | | enumerable, |
| | | value |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | return false; |
| | | } |
| | | |
| | | expectContextual(token, template) { |
| | | if (!this.eatContextual(token)) this.unexpected(null, template); |
| | | expectContextual(token, toParseError) { |
| | | if (!this.eatContextual(token)) { |
| | | if (toParseError != null) { |
| | | throw this.raise(toParseError, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | throw this.unexpected(null, token); |
| | | } |
| | | } |
| | | |
| | | canInsertSemicolon() { |
| | | return this.match(126) || this.match(8) || this.hasPrecedingLineBreak(); |
| | | return this.match(135) || this.match(8) || this.hasPrecedingLineBreak(); |
| | | } |
| | | |
| | | hasPrecedingLineBreak() { |
| | | return lineBreak.test(this.input.slice(this.state.lastTokEnd, this.state.start)); |
| | | return lineBreak.test(this.input.slice(this.state.lastTokEndLoc.index, this.state.start)); |
| | | } |
| | | |
| | | hasFollowingLineBreak() { |
| | |
| | | |
| | | semicolon(allowAsi = true) { |
| | | if (allowAsi ? this.isLineTerminator() : this.eat(13)) return; |
| | | this.raise(this.state.lastTokEnd, ErrorMessages.MissingSemicolon); |
| | | this.raise(Errors.MissingSemicolon, { |
| | | at: this.state.lastTokEndLoc |
| | | }); |
| | | } |
| | | |
| | | expect(type, pos) { |
| | | this.eat(type) || this.unexpected(pos, type); |
| | | } |
| | | |
| | | assertNoSpace(message = "Unexpected space.") { |
| | | if (this.state.start > this.state.lastTokEnd) { |
| | | this.raise(this.state.lastTokEnd, { |
| | | code: ErrorCodes.SyntaxError, |
| | | reasonCode: "UnexpectedSpace", |
| | | template: message |
| | | }); |
| | | } |
| | | } |
| | | |
| | | unexpected(pos, messageOrType = { |
| | | code: ErrorCodes.SyntaxError, |
| | | reasonCode: "UnexpectedToken", |
| | | template: "Unexpected token" |
| | | }) { |
| | | if (isTokenType(messageOrType)) { |
| | | messageOrType = { |
| | | code: ErrorCodes.SyntaxError, |
| | | reasonCode: "UnexpectedToken", |
| | | template: `Unexpected token, expected "${tokenLabelName(messageOrType)}"` |
| | | }; |
| | | } |
| | | |
| | | throw this.raise(pos != null ? pos : this.state.start, messageOrType); |
| | | } |
| | | |
| | | expectPlugin(name, pos) { |
| | | if (!this.hasPlugin(name)) { |
| | | throw this.raiseWithData(pos != null ? pos : this.state.start, { |
| | | missingPlugin: [name] |
| | | }, `This experimental syntax requires enabling the parser plugin: '${name}'`); |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | expectOnePlugin(names, pos) { |
| | | if (!names.some(n => this.hasPlugin(n))) { |
| | | throw this.raiseWithData(pos != null ? pos : this.state.start, { |
| | | missingPlugin: names |
| | | }, `This experimental syntax requires enabling one of the following parser plugin(s): '${names.join(", ")}'`); |
| | | } |
| | | expect(type, loc) { |
| | | this.eat(type) || this.unexpected(loc, type); |
| | | } |
| | | |
| | | tryParse(fn, oldState = this.state.clone()) { |
| | |
| | | checkExpressionErrors(refExpressionErrors, andThrow) { |
| | | if (!refExpressionErrors) return false; |
| | | const { |
| | | shorthandAssign, |
| | | doubleProto, |
| | | optionalParameters |
| | | shorthandAssignLoc, |
| | | doubleProtoLoc, |
| | | privateKeyLoc, |
| | | optionalParametersLoc |
| | | } = refExpressionErrors; |
| | | const hasErrors = !!shorthandAssignLoc || !!doubleProtoLoc || !!optionalParametersLoc || !!privateKeyLoc; |
| | | |
| | | if (!andThrow) { |
| | | return shorthandAssign >= 0 || doubleProto >= 0 || optionalParameters >= 0; |
| | | return hasErrors; |
| | | } |
| | | |
| | | if (shorthandAssign >= 0) { |
| | | this.unexpected(shorthandAssign); |
| | | if (shorthandAssignLoc != null) { |
| | | this.raise(Errors.InvalidCoverInitializedName, { |
| | | at: shorthandAssignLoc |
| | | }); |
| | | } |
| | | |
| | | if (doubleProto >= 0) { |
| | | this.raise(doubleProto, ErrorMessages.DuplicateProto); |
| | | if (doubleProtoLoc != null) { |
| | | this.raise(Errors.DuplicateProto, { |
| | | at: doubleProtoLoc |
| | | }); |
| | | } |
| | | |
| | | if (optionalParameters >= 0) { |
| | | this.unexpected(optionalParameters); |
| | | if (privateKeyLoc != null) { |
| | | this.raise(Errors.UnexpectedPrivateField, { |
| | | at: privateKeyLoc |
| | | }); |
| | | } |
| | | |
| | | if (optionalParametersLoc != null) { |
| | | this.unexpected(optionalParametersLoc); |
| | | } |
| | | } |
| | | |
| | |
| | | this.inModule = inModule; |
| | | const oldScope = this.scope; |
| | | const ScopeHandler = this.getScopeHandler(); |
| | | this.scope = new ScopeHandler(this.raise.bind(this), this.inModule); |
| | | this.scope = new ScopeHandler(this, inModule); |
| | | const oldProdParam = this.prodParam; |
| | | this.prodParam = new ProductionParameterHandler(); |
| | | const oldClassScope = this.classScope; |
| | | this.classScope = new ClassScopeHandler(this.raise.bind(this)); |
| | | this.classScope = new ClassScopeHandler(this); |
| | | const oldExpressionScope = this.expressionScope; |
| | | this.expressionScope = new ExpressionScopeHandler(this.raise.bind(this)); |
| | | this.expressionScope = new ExpressionScopeHandler(this); |
| | | return () => { |
| | | this.state.labels = oldLabels; |
| | | this.exportedIdentifiers = oldExportedIdentifiers; |
| | |
| | | this.prodParam.enter(paramFlags); |
| | | } |
| | | |
| | | checkDestructuringPrivate(refExpressionErrors) { |
| | | const { |
| | | privateKeyLoc |
| | | } = refExpressionErrors; |
| | | |
| | | if (privateKeyLoc !== null) { |
| | | this.expectPlugin("destructuringPrivate", privateKeyLoc); |
| | | } |
| | | } |
| | | |
| | | } |
| | | class ExpressionErrors { |
| | | constructor() { |
| | | this.shorthandAssign = -1; |
| | | this.doubleProto = -1; |
| | | this.optionalParameters = -1; |
| | | this.shorthandAssignLoc = null; |
| | | this.doubleProtoLoc = null; |
| | | this.privateKeyLoc = null; |
| | | this.optionalParametersLoc = null; |
| | | } |
| | | |
| | | } |
| | |
| | | } |
| | | |
| | | const cloned = Object.create(NodePrototype); |
| | | cloned.type = "StringLiteral"; |
| | | cloned.type = type; |
| | | cloned.start = start; |
| | | cloned.end = end; |
| | | cloned.loc = loc; |
| | | cloned.range = range; |
| | | cloned.extra = extra; |
| | | |
| | | if (node.raw !== undefined) { |
| | | cloned.raw = node.raw; |
| | | } else { |
| | | cloned.extra = extra; |
| | | } |
| | | |
| | | cloned.value = node.value; |
| | | return cloned; |
| | | } |
| | |
| | | } |
| | | |
| | | finishNode(node, type) { |
| | | return this.finishNodeAt(node, type, this.state.lastTokEnd, this.state.lastTokEndLoc); |
| | | return this.finishNodeAt(node, type, this.state.lastTokEndLoc); |
| | | } |
| | | |
| | | finishNodeAt(node, type, pos, loc) { |
| | | finishNodeAt(node, type, endLoc) { |
| | | |
| | | node.type = type; |
| | | node.end = pos; |
| | | node.loc.end = loc; |
| | | if (this.options.ranges) node.range[1] = pos; |
| | | node.end = endLoc.index; |
| | | node.loc.end = endLoc; |
| | | if (this.options.ranges) node.range[1] = endLoc.index; |
| | | if (this.options.attachComment) this.processComment(node); |
| | | return node; |
| | | } |
| | |
| | | if (this.options.ranges) node.range[0] = start; |
| | | } |
| | | |
| | | resetEndLocation(node, end = this.state.lastTokEnd, endLoc = this.state.lastTokEndLoc) { |
| | | node.end = end; |
| | | resetEndLocation(node, endLoc = this.state.lastTokEndLoc) { |
| | | node.end = endLoc.index; |
| | | node.loc.end = endLoc; |
| | | if (this.options.ranges) node.range[1] = end; |
| | | if (this.options.ranges) node.range[1] = endLoc.index; |
| | | } |
| | | |
| | | resetStartLocationFromNode(node, locationNode) { |
| | |
| | | } |
| | | |
| | | const reservedTypes = new Set(["_", "any", "bool", "boolean", "empty", "extends", "false", "interface", "mixed", "null", "number", "static", "string", "true", "typeof", "void"]); |
| | | const FlowErrors = makeErrorTemplates({ |
| | | AmbiguousConditionalArrow: "Ambiguous expression: wrap the arrow functions in parentheses to disambiguate.", |
| | | AmbiguousDeclareModuleKind: "Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module.", |
| | | AssignReservedType: "Cannot overwrite reserved type %0.", |
| | | DeclareClassElement: "The `declare` modifier can only appear on class fields.", |
| | | DeclareClassFieldInitializer: "Initializers are not allowed in fields with the `declare` modifier.", |
| | | DuplicateDeclareModuleExports: "Duplicate `declare module.exports` statement.", |
| | | EnumBooleanMemberNotInitialized: "Boolean enum members need to be initialized. Use either `%0 = true,` or `%0 = false,` in enum `%1`.", |
| | | EnumDuplicateMemberName: "Enum member names need to be unique, but the name `%0` has already been used before in enum `%1`.", |
| | | EnumInconsistentMemberValues: "Enum `%0` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.", |
| | | EnumInvalidExplicitType: "Enum type `%1` is not valid. Use one of `boolean`, `number`, `string`, or `symbol` in enum `%0`.", |
| | | EnumInvalidExplicitTypeUnknownSupplied: "Supplied enum type is not valid. Use one of `boolean`, `number`, `string`, or `symbol` in enum `%0`.", |
| | | EnumInvalidMemberInitializerPrimaryType: "Enum `%0` has type `%2`, so the initializer of `%1` needs to be a %2 literal.", |
| | | EnumInvalidMemberInitializerSymbolType: "Symbol enum members cannot be initialized. Use `%1,` in enum `%0`.", |
| | | EnumInvalidMemberInitializerUnknownType: "The enum member initializer for `%1` needs to be a literal (either a boolean, number, or string) in enum `%0`.", |
| | | EnumInvalidMemberName: "Enum member names cannot start with lowercase 'a' through 'z'. Instead of using `%0`, consider using `%1`, in enum `%2`.", |
| | | EnumNumberMemberNotInitialized: "Number enum members need to be initialized, e.g. `%1 = 1` in enum `%0`.", |
| | | EnumStringMemberInconsistentlyInitailized: "String enum members need to consistently either all use initializers, or use no initializers, in enum `%0`.", |
| | | GetterMayNotHaveThisParam: "A getter cannot have a `this` parameter.", |
| | | ImportTypeShorthandOnlyInPureImport: "The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements.", |
| | | InexactInsideExact: "Explicit inexact syntax cannot appear inside an explicit exact object type.", |
| | | InexactInsideNonObject: "Explicit inexact syntax cannot appear in class or interface definitions.", |
| | | InexactVariance: "Explicit inexact syntax cannot have variance.", |
| | | InvalidNonTypeImportInDeclareModule: "Imports within a `declare module` body must always be `import type` or `import typeof`.", |
| | | MissingTypeParamDefault: "Type parameter declaration needs a default, since a preceding type parameter declaration has a default.", |
| | | NestedDeclareModule: "`declare module` cannot be used inside another `declare module`.", |
| | | NestedFlowComment: "Cannot have a flow comment inside another flow comment.", |
| | | PatternIsOptional: "A binding pattern parameter cannot be optional in an implementation signature.", |
| | | SetterMayNotHaveThisParam: "A setter cannot have a `this` parameter.", |
| | | SpreadVariance: "Spread properties cannot have variance.", |
| | | ThisParamAnnotationRequired: "A type annotation is required for the `this` parameter.", |
| | | ThisParamBannedInConstructor: "Constructors cannot have a `this` parameter; constructors don't bind `this` like other functions.", |
| | | ThisParamMayNotBeOptional: "The `this` parameter cannot be optional.", |
| | | ThisParamMustBeFirst: "The `this` parameter must be the first function parameter.", |
| | | ThisParamNoDefault: "The `this` parameter may not have a default value.", |
| | | TypeBeforeInitializer: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.", |
| | | TypeCastInPattern: "The type cast expression is expected to be wrapped with parenthesis.", |
| | | UnexpectedExplicitInexactInObject: "Explicit inexact syntax must appear at the end of an inexact object.", |
| | | UnexpectedReservedType: "Unexpected reserved type %0.", |
| | | UnexpectedReservedUnderscore: "`_` is only allowed as a type argument to call or new.", |
| | | UnexpectedSpaceBetweenModuloChecks: "Spaces between `%` and `checks` are not allowed here.", |
| | | UnexpectedSpreadType: "Spread operator cannot appear in class or interface definitions.", |
| | | UnexpectedSubtractionOperand: 'Unexpected token, expected "number" or "bigint".', |
| | | UnexpectedTokenAfterTypeParameter: "Expected an arrow function after this type parameter declaration.", |
| | | UnexpectedTypeParameterBeforeAsyncArrowFunction: "Type parameters must come after the async keyword, e.g. instead of `<T> async () => {}`, use `async <T>() => {}`.", |
| | | UnsupportedDeclareExportKind: "`declare export %0` is not supported. Use `%1` instead.", |
| | | UnsupportedStatementInDeclareModule: "Only declares and type imports are allowed inside declare module.", |
| | | UnterminatedFlowComment: "Unterminated flow-comment." |
| | | }, ErrorCodes.SyntaxError, "flow"); |
| | | const FlowErrors = ParseErrorEnum`flow`(_ => ({ |
| | | AmbiguousConditionalArrow: _("Ambiguous expression: wrap the arrow functions in parentheses to disambiguate."), |
| | | AmbiguousDeclareModuleKind: _("Found both `declare module.exports` and `declare export` in the same module. Modules can only have 1 since they are either an ES module or they are a CommonJS module."), |
| | | AssignReservedType: _(({ |
| | | reservedType |
| | | }) => `Cannot overwrite reserved type ${reservedType}.`), |
| | | DeclareClassElement: _("The `declare` modifier can only appear on class fields."), |
| | | DeclareClassFieldInitializer: _("Initializers are not allowed in fields with the `declare` modifier."), |
| | | DuplicateDeclareModuleExports: _("Duplicate `declare module.exports` statement."), |
| | | EnumBooleanMemberNotInitialized: _(({ |
| | | memberName, |
| | | enumName |
| | | }) => `Boolean enum members need to be initialized. Use either \`${memberName} = true,\` or \`${memberName} = false,\` in enum \`${enumName}\`.`), |
| | | EnumDuplicateMemberName: _(({ |
| | | memberName, |
| | | enumName |
| | | }) => `Enum member names need to be unique, but the name \`${memberName}\` has already been used before in enum \`${enumName}\`.`), |
| | | EnumInconsistentMemberValues: _(({ |
| | | enumName |
| | | }) => `Enum \`${enumName}\` has inconsistent member initializers. Either use no initializers, or consistently use literals (either booleans, numbers, or strings) for all member initializers.`), |
| | | EnumInvalidExplicitType: _(({ |
| | | invalidEnumType, |
| | | enumName |
| | | }) => `Enum type \`${invalidEnumType}\` is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`), |
| | | EnumInvalidExplicitTypeUnknownSupplied: _(({ |
| | | enumName |
| | | }) => `Supplied enum type is not valid. Use one of \`boolean\`, \`number\`, \`string\`, or \`symbol\` in enum \`${enumName}\`.`), |
| | | EnumInvalidMemberInitializerPrimaryType: _(({ |
| | | enumName, |
| | | memberName, |
| | | explicitType |
| | | }) => `Enum \`${enumName}\` has type \`${explicitType}\`, so the initializer of \`${memberName}\` needs to be a ${explicitType} literal.`), |
| | | EnumInvalidMemberInitializerSymbolType: _(({ |
| | | enumName, |
| | | memberName |
| | | }) => `Symbol enum members cannot be initialized. Use \`${memberName},\` in enum \`${enumName}\`.`), |
| | | EnumInvalidMemberInitializerUnknownType: _(({ |
| | | enumName, |
| | | memberName |
| | | }) => `The enum member initializer for \`${memberName}\` needs to be a literal (either a boolean, number, or string) in enum \`${enumName}\`.`), |
| | | EnumInvalidMemberName: _(({ |
| | | enumName, |
| | | memberName, |
| | | suggestion |
| | | }) => `Enum member names cannot start with lowercase 'a' through 'z'. Instead of using \`${memberName}\`, consider using \`${suggestion}\`, in enum \`${enumName}\`.`), |
| | | EnumNumberMemberNotInitialized: _(({ |
| | | enumName, |
| | | memberName |
| | | }) => `Number enum members need to be initialized, e.g. \`${memberName} = 1\` in enum \`${enumName}\`.`), |
| | | EnumStringMemberInconsistentlyInitailized: _(({ |
| | | enumName |
| | | }) => `String enum members need to consistently either all use initializers, or use no initializers, in enum \`${enumName}\`.`), |
| | | GetterMayNotHaveThisParam: _("A getter cannot have a `this` parameter."), |
| | | ImportTypeShorthandOnlyInPureImport: _("The `type` and `typeof` keywords on named imports can only be used on regular `import` statements. It cannot be used with `import type` or `import typeof` statements."), |
| | | InexactInsideExact: _("Explicit inexact syntax cannot appear inside an explicit exact object type."), |
| | | InexactInsideNonObject: _("Explicit inexact syntax cannot appear in class or interface definitions."), |
| | | InexactVariance: _("Explicit inexact syntax cannot have variance."), |
| | | InvalidNonTypeImportInDeclareModule: _("Imports within a `declare module` body must always be `import type` or `import typeof`."), |
| | | MissingTypeParamDefault: _("Type parameter declaration needs a default, since a preceding type parameter declaration has a default."), |
| | | NestedDeclareModule: _("`declare module` cannot be used inside another `declare module`."), |
| | | NestedFlowComment: _("Cannot have a flow comment inside another flow comment."), |
| | | PatternIsOptional: _("A binding pattern parameter cannot be optional in an implementation signature.", { |
| | | reasonCode: "OptionalBindingPattern" |
| | | }), |
| | | SetterMayNotHaveThisParam: _("A setter cannot have a `this` parameter."), |
| | | SpreadVariance: _("Spread properties cannot have variance."), |
| | | ThisParamAnnotationRequired: _("A type annotation is required for the `this` parameter."), |
| | | ThisParamBannedInConstructor: _("Constructors cannot have a `this` parameter; constructors don't bind `this` like other functions."), |
| | | ThisParamMayNotBeOptional: _("The `this` parameter cannot be optional."), |
| | | ThisParamMustBeFirst: _("The `this` parameter must be the first function parameter."), |
| | | ThisParamNoDefault: _("The `this` parameter may not have a default value."), |
| | | TypeBeforeInitializer: _("Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`."), |
| | | TypeCastInPattern: _("The type cast expression is expected to be wrapped with parenthesis."), |
| | | UnexpectedExplicitInexactInObject: _("Explicit inexact syntax must appear at the end of an inexact object."), |
| | | UnexpectedReservedType: _(({ |
| | | reservedType |
| | | }) => `Unexpected reserved type ${reservedType}.`), |
| | | UnexpectedReservedUnderscore: _("`_` is only allowed as a type argument to call or new."), |
| | | UnexpectedSpaceBetweenModuloChecks: _("Spaces between `%` and `checks` are not allowed here."), |
| | | UnexpectedSpreadType: _("Spread operator cannot appear in class or interface definitions."), |
| | | UnexpectedSubtractionOperand: _('Unexpected token, expected "number" or "bigint".'), |
| | | UnexpectedTokenAfterTypeParameter: _("Expected an arrow function after this type parameter declaration."), |
| | | UnexpectedTypeParameterBeforeAsyncArrowFunction: _("Type parameters must come after the async keyword, e.g. instead of `<T> async () => {}`, use `async <T>() => {}`."), |
| | | UnsupportedDeclareExportKind: _(({ |
| | | unsupportedExportKind, |
| | | suggestion |
| | | }) => `\`declare export ${unsupportedExportKind}\` is not supported. Use \`${suggestion}\` instead.`), |
| | | UnsupportedStatementInDeclareModule: _("Only declares and type imports are allowed inside declare module."), |
| | | UnterminatedFlowComment: _("Unterminated flow-comment.") |
| | | })); |
| | | |
| | | function isEsModuleType(bodyElement) { |
| | | return bodyElement.type === "DeclareExportAllDeclaration" || bodyElement.type === "DeclareExportDeclaration" && (!bodyElement.declaration || bodyElement.declaration.type !== "TypeAlias" && bodyElement.declaration.type !== "InterfaceDeclaration"); |
| | |
| | | } |
| | | |
| | | function isMaybeDefaultImport(type) { |
| | | return tokenIsKeywordOrIdentifier(type) && type !== 88; |
| | | return tokenIsKeywordOrIdentifier(type) && type !== 97; |
| | | } |
| | | |
| | | const exportSuggestions = { |
| | |
| | | } |
| | | |
| | | finishToken(type, val) { |
| | | if (type !== 120 && type !== 13 && type !== 26) { |
| | | if (type !== 129 && type !== 13 && type !== 28) { |
| | | if (this.flowPragma === undefined) { |
| | | this.flowPragma = null; |
| | | } |
| | |
| | | |
| | | flowParsePredicate() { |
| | | const node = this.startNode(); |
| | | const moduloPos = this.state.start; |
| | | const moduloLoc = this.state.startLoc; |
| | | this.next(); |
| | | this.expectContextual(98); |
| | | this.expectContextual(107); |
| | | |
| | | if (this.state.lastTokStart > moduloPos + 1) { |
| | | this.raise(moduloPos, FlowErrors.UnexpectedSpaceBetweenModuloChecks); |
| | | if (this.state.lastTokStart > moduloLoc.index + 1) { |
| | | this.raise(FlowErrors.UnexpectedSpaceBetweenModuloChecks, { |
| | | at: moduloLoc |
| | | }); |
| | | } |
| | | |
| | | if (this.eat(10)) { |
| | |
| | | let type = null; |
| | | let predicate = null; |
| | | |
| | | if (this.match(45)) { |
| | | if (this.match(54)) { |
| | | this.state.inType = oldInType; |
| | | predicate = this.flowParsePredicate(); |
| | | } else { |
| | | type = this.flowParseType(); |
| | | this.state.inType = oldInType; |
| | | |
| | | if (this.match(45)) { |
| | | if (this.match(54)) { |
| | | predicate = this.flowParsePredicate(); |
| | | } |
| | | } |
| | |
| | | const typeNode = this.startNode(); |
| | | const typeContainer = this.startNode(); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | typeNode.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } else { |
| | | typeNode.typeParameters = null; |
| | |
| | | id.typeAnnotation = this.finishNode(typeContainer, "TypeAnnotation"); |
| | | this.resetEndLocation(id); |
| | | this.semicolon(); |
| | | this.scope.declareName(node.id.name, BIND_FLOW_DECLARE_FN, node.id.start); |
| | | this.scope.declareName(node.id.name, BIND_FLOW_DECLARE_FN, node.id.loc.start); |
| | | return this.finishNode(node, "DeclareFunction"); |
| | | } |
| | | |
| | | flowParseDeclare(node, insideModule) { |
| | | if (this.match(71)) { |
| | | if (this.match(80)) { |
| | | return this.flowParseDeclareClass(node); |
| | | } else if (this.match(59)) { |
| | | } else if (this.match(68)) { |
| | | return this.flowParseDeclareFunction(node); |
| | | } else if (this.match(65)) { |
| | | } else if (this.match(74)) { |
| | | return this.flowParseDeclareVariable(node); |
| | | } else if (this.eatContextual(114)) { |
| | | } else if (this.eatContextual(123)) { |
| | | if (this.match(16)) { |
| | | return this.flowParseDeclareModuleExports(node); |
| | | } else { |
| | | if (insideModule) { |
| | | this.raise(this.state.lastTokStart, FlowErrors.NestedDeclareModule); |
| | | this.raise(FlowErrors.NestedDeclareModule, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | return this.flowParseDeclareModule(node); |
| | | } |
| | | } else if (this.isContextual(117)) { |
| | | } else if (this.isContextual(126)) { |
| | | return this.flowParseDeclareTypeAlias(node); |
| | | } else if (this.isContextual(118)) { |
| | | } else if (this.isContextual(127)) { |
| | | return this.flowParseDeclareOpaqueType(node); |
| | | } else if (this.isContextual(116)) { |
| | | } else if (this.isContextual(125)) { |
| | | return this.flowParseDeclareInterface(node); |
| | | } else if (this.match(73)) { |
| | | } else if (this.match(82)) { |
| | | return this.flowParseDeclareExportDeclaration(node, insideModule); |
| | | } else { |
| | | throw this.unexpected(); |
| | |
| | | flowParseDeclareVariable(node) { |
| | | this.next(); |
| | | node.id = this.flowParseTypeAnnotatableIdentifier(true); |
| | | this.scope.declareName(node.id.name, BIND_VAR, node.id.start); |
| | | this.scope.declareName(node.id.name, BIND_VAR, node.id.loc.start); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "DeclareVariable"); |
| | | } |
| | |
| | | flowParseDeclareModule(node) { |
| | | this.scope.enter(SCOPE_OTHER); |
| | | |
| | | if (this.match(120)) { |
| | | if (this.match(129)) { |
| | | node.id = this.parseExprAtom(); |
| | | } else { |
| | | node.id = this.parseIdentifier(); |
| | |
| | | while (!this.match(8)) { |
| | | let bodyNode = this.startNode(); |
| | | |
| | | if (this.match(74)) { |
| | | if (this.match(83)) { |
| | | this.next(); |
| | | |
| | | if (!this.isContextual(117) && !this.match(78)) { |
| | | this.raise(this.state.lastTokStart, FlowErrors.InvalidNonTypeImportInDeclareModule); |
| | | if (!this.isContextual(126) && !this.match(87)) { |
| | | this.raise(FlowErrors.InvalidNonTypeImportInDeclareModule, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | this.parseImport(bodyNode); |
| | | } else { |
| | | this.expectContextual(112, FlowErrors.UnsupportedStatementInDeclareModule); |
| | | this.expectContextual(121, FlowErrors.UnsupportedStatementInDeclareModule); |
| | | bodyNode = this.flowParseDeclare(bodyNode, true); |
| | | } |
| | | |
| | |
| | | body.forEach(bodyElement => { |
| | | if (isEsModuleType(bodyElement)) { |
| | | if (kind === "CommonJS") { |
| | | this.raise(bodyElement.start, FlowErrors.AmbiguousDeclareModuleKind); |
| | | this.raise(FlowErrors.AmbiguousDeclareModuleKind, { |
| | | at: bodyElement |
| | | }); |
| | | } |
| | | |
| | | kind = "ES"; |
| | | } else if (bodyElement.type === "DeclareModuleExports") { |
| | | if (hasModuleExport) { |
| | | this.raise(bodyElement.start, FlowErrors.DuplicateDeclareModuleExports); |
| | | this.raise(FlowErrors.DuplicateDeclareModuleExports, { |
| | | at: bodyElement |
| | | }); |
| | | } |
| | | |
| | | if (kind === "ES") { |
| | | this.raise(bodyElement.start, FlowErrors.AmbiguousDeclareModuleKind); |
| | | this.raise(FlowErrors.AmbiguousDeclareModuleKind, { |
| | | at: bodyElement |
| | | }); |
| | | } |
| | | |
| | | kind = "CommonJS"; |
| | |
| | | } |
| | | |
| | | flowParseDeclareExportDeclaration(node, insideModule) { |
| | | this.expect(73); |
| | | this.expect(82); |
| | | |
| | | if (this.eat(56)) { |
| | | if (this.match(59) || this.match(71)) { |
| | | if (this.eat(65)) { |
| | | if (this.match(68) || this.match(80)) { |
| | | node.declaration = this.flowParseDeclare(this.startNode()); |
| | | } else { |
| | | node.declaration = this.flowParseType(); |
| | |
| | | node.default = true; |
| | | return this.finishNode(node, "DeclareExportDeclaration"); |
| | | } else { |
| | | if (this.match(66) || this.isLet() || (this.isContextual(117) || this.isContextual(116)) && !insideModule) { |
| | | if (this.match(75) || this.isLet() || (this.isContextual(126) || this.isContextual(125)) && !insideModule) { |
| | | const label = this.state.value; |
| | | const suggestion = exportSuggestions[label]; |
| | | throw this.raise(this.state.start, FlowErrors.UnsupportedDeclareExportKind, label, suggestion); |
| | | throw this.raise(FlowErrors.UnsupportedDeclareExportKind, { |
| | | at: this.state.startLoc, |
| | | unsupportedExportKind: label, |
| | | suggestion: exportSuggestions[label] |
| | | }); |
| | | } |
| | | |
| | | if (this.match(65) || this.match(59) || this.match(71) || this.isContextual(118)) { |
| | | if (this.match(74) || this.match(68) || this.match(80) || this.isContextual(127)) { |
| | | node.declaration = this.flowParseDeclare(this.startNode()); |
| | | node.default = false; |
| | | return this.finishNode(node, "DeclareExportDeclaration"); |
| | | } else if (this.match(46) || this.match(5) || this.isContextual(116) || this.isContextual(117) || this.isContextual(118)) { |
| | | } else if (this.match(55) || this.match(5) || this.isContextual(125) || this.isContextual(126) || this.isContextual(127)) { |
| | | node = this.parseExport(node); |
| | | |
| | | if (node.type === "ExportNamedDeclaration") { |
| | |
| | | |
| | | flowParseDeclareModuleExports(node) { |
| | | this.next(); |
| | | this.expectContextual(99); |
| | | this.expectContextual(108); |
| | | node.typeAnnotation = this.flowParseTypeAnnotation(); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "DeclareModuleExports"); |
| | |
| | | |
| | | flowParseInterfaceish(node, isClass = false) { |
| | | node.id = this.flowParseRestrictedIdentifier(!isClass, true); |
| | | this.scope.declareName(node.id.name, isClass ? BIND_FUNCTION : BIND_LEXICAL, node.id.start); |
| | | this.scope.declareName(node.id.name, isClass ? BIND_FUNCTION : BIND_LEXICAL, node.id.loc.start); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } else { |
| | | node.typeParameters = null; |
| | |
| | | node.implements = []; |
| | | node.mixins = []; |
| | | |
| | | if (this.eat(72)) { |
| | | if (this.eat(81)) { |
| | | do { |
| | | node.extends.push(this.flowParseInterfaceExtends()); |
| | | } while (!isClass && this.eat(12)); |
| | | } |
| | | |
| | | if (this.isContextual(105)) { |
| | | if (this.isContextual(114)) { |
| | | this.next(); |
| | | |
| | | do { |
| | |
| | | } while (this.eat(12)); |
| | | } |
| | | |
| | | if (this.isContextual(101)) { |
| | | if (this.isContextual(110)) { |
| | | this.next(); |
| | | |
| | | do { |
| | |
| | | const node = this.startNode(); |
| | | node.id = this.flowParseQualifiedTypeIdentifier(); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterInstantiation(); |
| | | } else { |
| | | node.typeParameters = null; |
| | |
| | | |
| | | checkNotUnderscore(word) { |
| | | if (word === "_") { |
| | | this.raise(this.state.start, FlowErrors.UnexpectedReservedUnderscore); |
| | | this.raise(FlowErrors.UnexpectedReservedUnderscore, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | | checkReservedType(word, startLoc, declaration) { |
| | | if (!reservedTypes.has(word)) return; |
| | | this.raise(startLoc, declaration ? FlowErrors.AssignReservedType : FlowErrors.UnexpectedReservedType, word); |
| | | this.raise(declaration ? FlowErrors.AssignReservedType : FlowErrors.UnexpectedReservedType, { |
| | | at: startLoc, |
| | | reservedType: word |
| | | }); |
| | | } |
| | | |
| | | flowParseRestrictedIdentifier(liberal, declaration) { |
| | | this.checkReservedType(this.state.value, this.state.start, declaration); |
| | | this.checkReservedType(this.state.value, this.state.startLoc, declaration); |
| | | return this.parseIdentifier(liberal); |
| | | } |
| | | |
| | | flowParseTypeAlias(node) { |
| | | node.id = this.flowParseRestrictedIdentifier(false, true); |
| | | this.scope.declareName(node.id.name, BIND_LEXICAL, node.id.start); |
| | | this.scope.declareName(node.id.name, BIND_LEXICAL, node.id.loc.start); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } else { |
| | | node.typeParameters = null; |
| | | } |
| | | |
| | | node.right = this.flowParseTypeInitialiser(27); |
| | | node.right = this.flowParseTypeInitialiser(29); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "TypeAlias"); |
| | | } |
| | | |
| | | flowParseOpaqueType(node, declare) { |
| | | this.expectContextual(117); |
| | | this.expectContextual(126); |
| | | node.id = this.flowParseRestrictedIdentifier(true, true); |
| | | this.scope.declareName(node.id.name, BIND_LEXICAL, node.id.start); |
| | | this.scope.declareName(node.id.name, BIND_LEXICAL, node.id.loc.start); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } else { |
| | | node.typeParameters = null; |
| | |
| | | node.impltype = null; |
| | | |
| | | if (!declare) { |
| | | node.impltype = this.flowParseTypeInitialiser(27); |
| | | node.impltype = this.flowParseTypeInitialiser(29); |
| | | } |
| | | |
| | | this.semicolon(); |
| | |
| | | } |
| | | |
| | | flowParseTypeParameter(requireDefault = false) { |
| | | const nodeStart = this.state.start; |
| | | const nodeStartLoc = this.state.startLoc; |
| | | const node = this.startNode(); |
| | | const variance = this.flowParseVariance(); |
| | | const ident = this.flowParseTypeAnnotatableIdentifier(); |
| | |
| | | node.variance = variance; |
| | | node.bound = ident.typeAnnotation; |
| | | |
| | | if (this.match(27)) { |
| | | this.eat(27); |
| | | if (this.match(29)) { |
| | | this.eat(29); |
| | | node.default = this.flowParseType(); |
| | | } else { |
| | | if (requireDefault) { |
| | | this.raise(nodeStart, FlowErrors.MissingTypeParamDefault); |
| | | this.raise(FlowErrors.MissingTypeParamDefault, { |
| | | at: nodeStartLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | node.params = []; |
| | | this.state.inType = true; |
| | | |
| | | if (this.isRelational("<") || this.match(129)) { |
| | | if (this.match(47) || this.match(138)) { |
| | | this.next(); |
| | | } else { |
| | | this.unexpected(); |
| | |
| | | defaultRequired = true; |
| | | } |
| | | |
| | | if (!this.isRelational(">")) { |
| | | if (!this.match(48)) { |
| | | this.expect(12); |
| | | } |
| | | } while (!this.isRelational(">")); |
| | | } while (!this.match(48)); |
| | | |
| | | this.expectRelational(">"); |
| | | this.expect(48); |
| | | this.state.inType = oldInType; |
| | | return this.finishNode(node, "TypeParameterDeclaration"); |
| | | } |
| | |
| | | const oldInType = this.state.inType; |
| | | node.params = []; |
| | | this.state.inType = true; |
| | | this.expectRelational("<"); |
| | | this.expect(47); |
| | | const oldNoAnonFunctionType = this.state.noAnonFunctionType; |
| | | this.state.noAnonFunctionType = false; |
| | | |
| | | while (!this.isRelational(">")) { |
| | | while (!this.match(48)) { |
| | | node.params.push(this.flowParseType()); |
| | | |
| | | if (!this.isRelational(">")) { |
| | | if (!this.match(48)) { |
| | | this.expect(12); |
| | | } |
| | | } |
| | | |
| | | this.state.noAnonFunctionType = oldNoAnonFunctionType; |
| | | this.expectRelational(">"); |
| | | this.expect(48); |
| | | this.state.inType = oldInType; |
| | | return this.finishNode(node, "TypeParameterInstantiation"); |
| | | } |
| | |
| | | const oldInType = this.state.inType; |
| | | node.params = []; |
| | | this.state.inType = true; |
| | | this.expectRelational("<"); |
| | | this.expect(47); |
| | | |
| | | while (!this.isRelational(">")) { |
| | | while (!this.match(48)) { |
| | | node.params.push(this.flowParseTypeOrImplicitInstantiation()); |
| | | |
| | | if (!this.isRelational(">")) { |
| | | if (!this.match(48)) { |
| | | this.expect(12); |
| | | } |
| | | } |
| | | |
| | | this.expectRelational(">"); |
| | | this.expect(48); |
| | | this.state.inType = oldInType; |
| | | return this.finishNode(node, "TypeParameterInstantiation"); |
| | | } |
| | | |
| | | flowParseInterfaceType() { |
| | | const node = this.startNode(); |
| | | this.expectContextual(116); |
| | | this.expectContextual(125); |
| | | node.extends = []; |
| | | |
| | | if (this.eat(72)) { |
| | | if (this.eat(81)) { |
| | | do { |
| | | node.extends.push(this.flowParseInterfaceExtends()); |
| | | } while (this.eat(12)); |
| | |
| | | } |
| | | |
| | | flowParseObjectPropertyKey() { |
| | | return this.match(121) || this.match(120) ? this.parseExprAtom() : this.parseIdentifier(true); |
| | | return this.match(130) || this.match(129) ? this.parseExprAtom() : this.parseIdentifier(true); |
| | | } |
| | | |
| | | flowParseObjectTypeIndexer(node, isStatic, variance) { |
| | |
| | | this.expect(3); |
| | | this.expect(3); |
| | | |
| | | if (this.isRelational("<") || this.match(10)) { |
| | | if (this.match(47) || this.match(10)) { |
| | | node.method = true; |
| | | node.optional = false; |
| | | node.value = this.flowParseObjectTypeMethodish(this.startNodeAt(node.start, node.loc.start)); |
| | |
| | | node.typeParameters = null; |
| | | node.this = null; |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } |
| | | |
| | | this.expect(10); |
| | | |
| | | if (this.match(69)) { |
| | | if (this.match(78)) { |
| | | node.this = this.flowParseFunctionTypeParam(true); |
| | | node.this.name = null; |
| | | |
| | |
| | | |
| | | while (!this.match(endDelim)) { |
| | | let isStatic = false; |
| | | let protoStart = null; |
| | | let inexactStart = null; |
| | | let protoStartLoc = null; |
| | | let inexactStartLoc = null; |
| | | const node = this.startNode(); |
| | | |
| | | if (allowProto && this.isContextual(106)) { |
| | | if (allowProto && this.isContextual(115)) { |
| | | const lookahead = this.lookahead(); |
| | | |
| | | if (lookahead.type !== 14 && lookahead.type !== 17) { |
| | | this.next(); |
| | | protoStart = this.state.start; |
| | | protoStartLoc = this.state.startLoc; |
| | | allowStatic = false; |
| | | } |
| | | } |
| | | |
| | | if (allowStatic && this.isContextual(95)) { |
| | | if (allowStatic && this.isContextual(104)) { |
| | | const lookahead = this.lookahead(); |
| | | |
| | | if (lookahead.type !== 14 && lookahead.type !== 17) { |
| | |
| | | const variance = this.flowParseVariance(); |
| | | |
| | | if (this.eat(0)) { |
| | | if (protoStart != null) { |
| | | this.unexpected(protoStart); |
| | | if (protoStartLoc != null) { |
| | | this.unexpected(protoStartLoc); |
| | | } |
| | | |
| | | if (this.eat(0)) { |
| | | if (variance) { |
| | | this.unexpected(variance.start); |
| | | this.unexpected(variance.loc.start); |
| | | } |
| | | |
| | | nodeStart.internalSlots.push(this.flowParseObjectTypeInternalSlot(node, isStatic)); |
| | | } else { |
| | | nodeStart.indexers.push(this.flowParseObjectTypeIndexer(node, isStatic, variance)); |
| | | } |
| | | } else if (this.match(10) || this.isRelational("<")) { |
| | | if (protoStart != null) { |
| | | this.unexpected(protoStart); |
| | | } else if (this.match(10) || this.match(47)) { |
| | | if (protoStartLoc != null) { |
| | | this.unexpected(protoStartLoc); |
| | | } |
| | | |
| | | if (variance) { |
| | | this.unexpected(variance.start); |
| | | this.unexpected(variance.loc.start); |
| | | } |
| | | |
| | | nodeStart.callProperties.push(this.flowParseObjectTypeCallProperty(node, isStatic)); |
| | | } else { |
| | | let kind = "init"; |
| | | |
| | | if (this.isContextual(89) || this.isContextual(94)) { |
| | | if (this.isContextual(98) || this.isContextual(103)) { |
| | | const lookahead = this.lookahead(); |
| | | |
| | | if (tokenIsLiteralPropertyName(lookahead.type)) { |
| | |
| | | } |
| | | } |
| | | |
| | | const propOrInexact = this.flowParseObjectTypeProperty(node, isStatic, protoStart, variance, kind, allowSpread, allowInexact != null ? allowInexact : !exact); |
| | | const propOrInexact = this.flowParseObjectTypeProperty(node, isStatic, protoStartLoc, variance, kind, allowSpread, allowInexact != null ? allowInexact : !exact); |
| | | |
| | | if (propOrInexact === null) { |
| | | inexact = true; |
| | | inexactStart = this.state.lastTokStart; |
| | | inexactStartLoc = this.state.lastTokStartLoc; |
| | | } else { |
| | | nodeStart.properties.push(propOrInexact); |
| | | } |
| | |
| | | |
| | | this.flowObjectTypeSemicolon(); |
| | | |
| | | if (inexactStart && !this.match(8) && !this.match(9)) { |
| | | this.raise(inexactStart, FlowErrors.UnexpectedExplicitInexactInObject); |
| | | if (inexactStartLoc && !this.match(8) && !this.match(9)) { |
| | | this.raise(FlowErrors.UnexpectedExplicitInexactInObject, { |
| | | at: inexactStartLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | return out; |
| | | } |
| | | |
| | | flowParseObjectTypeProperty(node, isStatic, protoStart, variance, kind, allowSpread, allowInexact) { |
| | | flowParseObjectTypeProperty(node, isStatic, protoStartLoc, variance, kind, allowSpread, allowInexact) { |
| | | if (this.eat(21)) { |
| | | const isInexactToken = this.match(12) || this.match(13) || this.match(8) || this.match(9); |
| | | |
| | | if (isInexactToken) { |
| | | if (!allowSpread) { |
| | | this.raise(this.state.lastTokStart, FlowErrors.InexactInsideNonObject); |
| | | this.raise(FlowErrors.InexactInsideNonObject, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } else if (!allowInexact) { |
| | | this.raise(this.state.lastTokStart, FlowErrors.InexactInsideExact); |
| | | this.raise(FlowErrors.InexactInsideExact, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | if (variance) { |
| | | this.raise(variance.start, FlowErrors.InexactVariance); |
| | | this.raise(FlowErrors.InexactVariance, { |
| | | at: variance |
| | | }); |
| | | } |
| | | |
| | | return null; |
| | | } |
| | | |
| | | if (!allowSpread) { |
| | | this.raise(this.state.lastTokStart, FlowErrors.UnexpectedSpreadType); |
| | | this.raise(FlowErrors.UnexpectedSpreadType, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | if (protoStart != null) { |
| | | this.unexpected(protoStart); |
| | | if (protoStartLoc != null) { |
| | | this.unexpected(protoStartLoc); |
| | | } |
| | | |
| | | if (variance) { |
| | | this.raise(variance.start, FlowErrors.SpreadVariance); |
| | | this.raise(FlowErrors.SpreadVariance, { |
| | | at: variance |
| | | }); |
| | | } |
| | | |
| | | node.argument = this.flowParseType(); |
| | |
| | | } else { |
| | | node.key = this.flowParseObjectPropertyKey(); |
| | | node.static = isStatic; |
| | | node.proto = protoStart != null; |
| | | node.proto = protoStartLoc != null; |
| | | node.kind = kind; |
| | | let optional = false; |
| | | |
| | | if (this.isRelational("<") || this.match(10)) { |
| | | if (this.match(47) || this.match(10)) { |
| | | node.method = true; |
| | | |
| | | if (protoStart != null) { |
| | | this.unexpected(protoStart); |
| | | if (protoStartLoc != null) { |
| | | this.unexpected(protoStartLoc); |
| | | } |
| | | |
| | | if (variance) { |
| | | this.unexpected(variance.start); |
| | | this.unexpected(variance.loc.start); |
| | | } |
| | | |
| | | node.value = this.flowParseObjectTypeMethodish(this.startNodeAt(node.start, node.loc.start)); |
| | |
| | | } |
| | | |
| | | if (!allowSpread && node.key.name === "constructor" && node.value.this) { |
| | | this.raise(node.value.this.start, FlowErrors.ThisParamBannedInConstructor); |
| | | this.raise(FlowErrors.ThisParamBannedInConstructor, { |
| | | at: node.value.this |
| | | }); |
| | | } |
| | | } else { |
| | | if (kind !== "init") this.unexpected(); |
| | |
| | | |
| | | flowCheckGetterSetterParams(property) { |
| | | const paramCount = property.kind === "get" ? 0 : 1; |
| | | const start = property.start; |
| | | const length = property.value.params.length + (property.value.rest ? 1 : 0); |
| | | |
| | | if (property.value.this) { |
| | | this.raise(property.value.this.start, property.kind === "get" ? FlowErrors.GetterMayNotHaveThisParam : FlowErrors.SetterMayNotHaveThisParam); |
| | | this.raise(property.kind === "get" ? FlowErrors.GetterMayNotHaveThisParam : FlowErrors.SetterMayNotHaveThisParam, { |
| | | at: property.value.this |
| | | }); |
| | | } |
| | | |
| | | if (length !== paramCount) { |
| | | if (property.kind === "get") { |
| | | this.raise(start, ErrorMessages.BadGetterArity); |
| | | } else { |
| | | this.raise(start, ErrorMessages.BadSetterArity); |
| | | } |
| | | this.raise(property.kind === "get" ? Errors.BadGetterArity : Errors.BadSetterArity, { |
| | | at: property |
| | | }); |
| | | } |
| | | |
| | | if (property.kind === "set" && property.value.rest) { |
| | | this.raise(start, ErrorMessages.BadSetterRestParameter); |
| | | this.raise(Errors.BadSetterRestParameter, { |
| | | at: property |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | node.typeParameters = null; |
| | | node.id = this.flowParseQualifiedTypeIdentifier(startPos, startLoc, id); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterInstantiation(); |
| | | } |
| | | |
| | |
| | | |
| | | flowParseTypeofType() { |
| | | const node = this.startNode(); |
| | | this.expect(78); |
| | | this.expect(87); |
| | | node.argument = this.flowParsePrimaryType(); |
| | | return this.finishNode(node, "TypeofTypeAnnotation"); |
| | | } |
| | |
| | | let typeAnnotation = null; |
| | | const node = this.startNode(); |
| | | const lh = this.lookahead(); |
| | | const isThis = this.state.type === 69; |
| | | const isThis = this.state.type === 78; |
| | | |
| | | if (lh.type === 14 || lh.type === 17) { |
| | | if (isThis && !first) { |
| | | this.raise(node.start, FlowErrors.ThisParamMustBeFirst); |
| | | this.raise(FlowErrors.ThisParamMustBeFirst, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | name = this.parseIdentifier(isThis); |
| | |
| | | optional = true; |
| | | |
| | | if (isThis) { |
| | | this.raise(node.start, FlowErrors.ThisParamMayNotBeOptional); |
| | | this.raise(FlowErrors.ThisParamMayNotBeOptional, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | let rest = null; |
| | | let _this = null; |
| | | |
| | | if (this.match(69)) { |
| | | if (this.match(78)) { |
| | | _this = this.flowParseFunctionTypeParam(true); |
| | | _this.name = null; |
| | | |
| | |
| | | this.state.noAnonFunctionType = oldNoAnonFunctionType; |
| | | return type; |
| | | |
| | | case 42: |
| | | if (this.state.value === "<") { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | this.expect(10); |
| | | tmp = this.flowParseFunctionTypeParams(); |
| | | node.params = tmp.params; |
| | | node.rest = tmp.rest; |
| | | node.this = tmp._this; |
| | | this.expect(11); |
| | | this.expect(19); |
| | | node.returnType = this.flowParseType(); |
| | | return this.finishNode(node, "FunctionTypeAnnotation"); |
| | | } |
| | | |
| | | break; |
| | | case 47: |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | this.expect(10); |
| | | tmp = this.flowParseFunctionTypeParams(); |
| | | node.params = tmp.params; |
| | | node.rest = tmp.rest; |
| | | node.this = tmp._this; |
| | | this.expect(11); |
| | | this.expect(19); |
| | | node.returnType = this.flowParseType(); |
| | | return this.finishNode(node, "FunctionTypeAnnotation"); |
| | | |
| | | case 10: |
| | | this.next(); |
| | | |
| | | if (!this.match(11) && !this.match(21)) { |
| | | if (tokenIsIdentifier(this.state.type) || this.match(69)) { |
| | | if (tokenIsIdentifier(this.state.type) || this.match(78)) { |
| | | const token = this.lookahead().type; |
| | | isGroupedType = token !== 17 && token !== 14; |
| | | } else { |
| | |
| | | node.typeParameters = null; |
| | | return this.finishNode(node, "FunctionTypeAnnotation"); |
| | | |
| | | case 120: |
| | | case 129: |
| | | return this.parseLiteral(this.state.value, "StringLiteralTypeAnnotation"); |
| | | |
| | | case 76: |
| | | case 77: |
| | | node.value = this.match(76); |
| | | case 85: |
| | | case 86: |
| | | node.value = this.match(85); |
| | | this.next(); |
| | | return this.finishNode(node, "BooleanLiteralTypeAnnotation"); |
| | | |
| | | case 44: |
| | | case 53: |
| | | if (this.state.value === "-") { |
| | | this.next(); |
| | | |
| | | if (this.match(121)) { |
| | | if (this.match(130)) { |
| | | return this.parseLiteralAtNode(-this.state.value, "NumberLiteralTypeAnnotation", node); |
| | | } |
| | | |
| | | if (this.match(122)) { |
| | | if (this.match(131)) { |
| | | return this.parseLiteralAtNode(-this.state.value, "BigIntLiteralTypeAnnotation", node); |
| | | } |
| | | |
| | | throw this.raise(this.state.start, FlowErrors.UnexpectedSubtractionOperand); |
| | | throw this.raise(FlowErrors.UnexpectedSubtractionOperand, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | throw this.unexpected(); |
| | | |
| | | case 121: |
| | | case 130: |
| | | return this.parseLiteral(this.state.value, "NumberLiteralTypeAnnotation"); |
| | | |
| | | case 122: |
| | | case 131: |
| | | return this.parseLiteral(this.state.value, "BigIntLiteralTypeAnnotation"); |
| | | |
| | | case 79: |
| | | case 88: |
| | | this.next(); |
| | | return this.finishNode(node, "VoidTypeAnnotation"); |
| | | |
| | | case 75: |
| | | case 84: |
| | | this.next(); |
| | | return this.finishNode(node, "NullLiteralTypeAnnotation"); |
| | | |
| | | case 69: |
| | | case 78: |
| | | this.next(); |
| | | return this.finishNode(node, "ThisTypeAnnotation"); |
| | | |
| | | case 46: |
| | | case 55: |
| | | this.next(); |
| | | return this.finishNode(node, "ExistsTypeAnnotation"); |
| | | |
| | | case 78: |
| | | case 87: |
| | | return this.flowParseTypeofType(); |
| | | |
| | | default: |
| | |
| | | this.next(); |
| | | return super.createIdentifier(node, label); |
| | | } else if (tokenIsIdentifier(this.state.type)) { |
| | | if (this.isContextual(116)) { |
| | | if (this.isContextual(125)) { |
| | | return this.flowParseInterfaceType(); |
| | | } |
| | | |
| | |
| | | |
| | | flowParseIntersectionType() { |
| | | const node = this.startNode(); |
| | | this.eat(40); |
| | | this.eat(45); |
| | | const type = this.flowParseAnonFunctionWithoutParens(); |
| | | node.types = [type]; |
| | | |
| | | while (this.eat(40)) { |
| | | while (this.eat(45)) { |
| | | node.types.push(this.flowParseAnonFunctionWithoutParens()); |
| | | } |
| | | |
| | |
| | | |
| | | flowParseUnionType() { |
| | | const node = this.startNode(); |
| | | this.eat(38); |
| | | this.eat(43); |
| | | const type = this.flowParseIntersectionType(); |
| | | node.types = [type]; |
| | | |
| | | while (this.eat(38)) { |
| | | while (this.eat(43)) { |
| | | node.types.push(this.flowParseIntersectionType()); |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | flowParseTypeOrImplicitInstantiation() { |
| | | if (this.state.type === 119 && this.state.value === "_") { |
| | | if (this.state.type === 128 && this.state.value === "_") { |
| | | const startPos = this.state.start; |
| | | const startLoc = this.state.startLoc; |
| | | const node = this.parseIdentifier(); |
| | |
| | | |
| | | typeCastToParameter(node) { |
| | | node.expression.typeAnnotation = node.typeAnnotation; |
| | | this.resetEndLocation(node.expression, node.typeAnnotation.end, node.typeAnnotation.loc.end); |
| | | this.resetEndLocation(node.expression, node.typeAnnotation.loc.end); |
| | | return node.expression; |
| | | } |
| | | |
| | | flowParseVariance() { |
| | | let variance = null; |
| | | |
| | | if (this.match(44)) { |
| | | if (this.match(53)) { |
| | | variance = this.startNode(); |
| | | |
| | | if (this.state.value === "+") { |
| | |
| | | } |
| | | |
| | | parseStatement(context, topLevel) { |
| | | if (this.state.strict && this.isContextual(116)) { |
| | | if (this.state.strict && this.isContextual(125)) { |
| | | const lookahead = this.lookahead(); |
| | | |
| | | if (tokenIsKeywordOrIdentifier(lookahead.type)) { |
| | |
| | | this.next(); |
| | | return this.flowParseInterface(node); |
| | | } |
| | | } else if (this.shouldParseEnums() && this.isContextual(113)) { |
| | | } else if (this.shouldParseEnums() && this.isContextual(122)) { |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | return this.flowParseEnumDeclaration(node); |
| | |
| | | parseExpressionStatement(node, expr) { |
| | | if (expr.type === "Identifier") { |
| | | if (expr.name === "declare") { |
| | | if (this.match(71) || tokenIsIdentifier(this.state.type) || this.match(59) || this.match(65) || this.match(73)) { |
| | | if (this.match(80) || tokenIsIdentifier(this.state.type) || this.match(68) || this.match(74) || this.match(82)) { |
| | | return this.flowParseDeclare(node); |
| | | } |
| | | } else if (tokenIsIdentifier(this.state.type)) { |
| | |
| | | type |
| | | } = this.state; |
| | | |
| | | if (tokenIsFlowInterfaceOrTypeOrOpaque(type) || this.shouldParseEnums() && type === 113) { |
| | | if (tokenIsFlowInterfaceOrTypeOrOpaque(type) || this.shouldParseEnums() && type === 122) { |
| | | return !this.state.containsEsc; |
| | | } |
| | | |
| | |
| | | type |
| | | } = this.state; |
| | | |
| | | if (tokenIsFlowInterfaceOrTypeOrOpaque(type) || this.shouldParseEnums() && type === 113) { |
| | | if (tokenIsFlowInterfaceOrTypeOrOpaque(type) || this.shouldParseEnums() && type === 122) { |
| | | return this.state.containsEsc; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | parseExportDefaultExpression() { |
| | | if (this.shouldParseEnums() && this.isContextual(113)) { |
| | | if (this.shouldParseEnums() && this.isContextual(122)) { |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | return this.flowParseEnumDeclaration(node); |
| | |
| | | } |
| | | |
| | | if (failed && valid.length > 1) { |
| | | this.raise(state.start, FlowErrors.AmbiguousConditionalArrow); |
| | | this.raise(FlowErrors.AmbiguousConditionalArrow, { |
| | | at: state.startLoc |
| | | }); |
| | | } |
| | | |
| | | if (failed && valid.length === 1) { |
| | |
| | | finishArrowValidation(node) { |
| | | var _node$extra; |
| | | |
| | | this.toAssignableList(node.params, (_node$extra = node.extra) == null ? void 0 : _node$extra.trailingComma, false); |
| | | this.toAssignableList(node.params, (_node$extra = node.extra) == null ? void 0 : _node$extra.trailingCommaLoc, false); |
| | | this.scope.enter(SCOPE_FUNCTION | SCOPE_ARROW); |
| | | super.checkParams(node, false, true); |
| | | this.scope.exit(); |
| | |
| | | } |
| | | |
| | | parseExportDeclaration(node) { |
| | | if (this.isContextual(117)) { |
| | | if (this.isContextual(126)) { |
| | | node.exportKind = "type"; |
| | | const declarationNode = this.startNode(); |
| | | this.next(); |
| | | |
| | | if (this.match(5)) { |
| | | node.specifiers = this.parseExportSpecifiers(); |
| | | node.specifiers = this.parseExportSpecifiers(true); |
| | | this.parseExportFrom(node); |
| | | return null; |
| | | } else { |
| | | return this.flowParseTypeAlias(declarationNode); |
| | | } |
| | | } else if (this.isContextual(118)) { |
| | | } else if (this.isContextual(127)) { |
| | | node.exportKind = "type"; |
| | | const declarationNode = this.startNode(); |
| | | this.next(); |
| | | return this.flowParseOpaqueType(declarationNode, false); |
| | | } else if (this.isContextual(116)) { |
| | | } else if (this.isContextual(125)) { |
| | | node.exportKind = "type"; |
| | | const declarationNode = this.startNode(); |
| | | this.next(); |
| | | return this.flowParseInterface(declarationNode); |
| | | } else if (this.shouldParseEnums() && this.isContextual(113)) { |
| | | } else if (this.shouldParseEnums() && this.isContextual(122)) { |
| | | node.exportKind = "value"; |
| | | const declarationNode = this.startNode(); |
| | | this.next(); |
| | |
| | | eatExportStar(node) { |
| | | if (super.eatExportStar(...arguments)) return true; |
| | | |
| | | if (this.isContextual(117) && this.lookahead().type === 46) { |
| | | if (this.isContextual(126) && this.lookahead().type === 55) { |
| | | node.exportKind = "type"; |
| | | this.next(); |
| | | this.next(); |
| | |
| | | } |
| | | |
| | | maybeParseExportNamespaceSpecifier(node) { |
| | | const pos = this.state.start; |
| | | const { |
| | | startLoc |
| | | } = this.state; |
| | | const hasNamespace = super.maybeParseExportNamespaceSpecifier(node); |
| | | |
| | | if (hasNamespace && node.exportKind === "type") { |
| | | this.unexpected(pos); |
| | | this.unexpected(startLoc); |
| | | } |
| | | |
| | | return hasNamespace; |
| | |
| | | parseClassId(node, isStatement, optionalId) { |
| | | super.parseClassId(node, isStatement, optionalId); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } |
| | | } |
| | | |
| | | parseClassMember(classBody, member, state) { |
| | | const pos = this.state.start; |
| | | const { |
| | | startLoc |
| | | } = this.state; |
| | | |
| | | if (this.isContextual(112)) { |
| | | if (this.isContextual(121)) { |
| | | if (this.parseClassMemberFromModifier(classBody, member)) { |
| | | return; |
| | | } |
| | |
| | | |
| | | if (member.declare) { |
| | | if (member.type !== "ClassProperty" && member.type !== "ClassPrivateProperty" && member.type !== "PropertyDefinition") { |
| | | this.raise(pos, FlowErrors.DeclareClassElement); |
| | | this.raise(FlowErrors.DeclareClassElement, { |
| | | at: startLoc |
| | | }); |
| | | } else if (member.value) { |
| | | this.raise(member.value.start, FlowErrors.DeclareClassFieldInitializer); |
| | | this.raise(FlowErrors.DeclareClassFieldInitializer, { |
| | | at: member.value |
| | | }); |
| | | } |
| | | } |
| | | } |
| | |
| | | const fullWord = "@@" + word; |
| | | |
| | | if (!this.isIterator(word) || !this.state.inType) { |
| | | this.raise(this.state.pos, ErrorMessages.InvalidIdentifier, fullWord); |
| | | this.raise(Errors.InvalidIdentifier, { |
| | | at: this.state.curPosition(), |
| | | identifierName: fullWord |
| | | }); |
| | | } |
| | | |
| | | this.finishToken(119, fullWord); |
| | | this.finishToken(128, fullWord); |
| | | } |
| | | |
| | | getTokenFromCode(code) { |
| | |
| | | if (code === 123 && next === 124) { |
| | | return this.finishOp(6, 2); |
| | | } else if (this.state.inType && (code === 62 || code === 60)) { |
| | | return this.finishOp(42, 1); |
| | | return this.finishOp(code === 62 ? 48 : 47, 1); |
| | | } else if (this.state.inType && code === 63) { |
| | | if (next === 46) { |
| | | return this.finishOp(18, 2); |
| | | } |
| | | |
| | | return this.finishOp(17, 1); |
| | | } else if (isIteratorStart(code, next)) { |
| | | } else if (isIteratorStart(code, next, this.input.charCodeAt(this.state.pos + 2))) { |
| | | this.state.pos += 2; |
| | | return this.readIterator(); |
| | | } else { |
| | |
| | | } |
| | | |
| | | toAssignable(node, isLHS = false) { |
| | | if (node.type === "TypeCastExpression") { |
| | | return super.toAssignable(this.typeCastToParameter(node), isLHS); |
| | | } else { |
| | | return super.toAssignable(node, isLHS); |
| | | if (!isLHS && node.type === "AssignmentExpression" && node.left.type === "TypeCastExpression") { |
| | | node.left = this.typeCastToParameter(node.left); |
| | | } |
| | | |
| | | super.toAssignable(...arguments); |
| | | } |
| | | |
| | | toAssignableList(exprList, trailingCommaPos, isLHS) { |
| | | toAssignableList(exprList, trailingCommaLoc, isLHS) { |
| | | for (let i = 0; i < exprList.length; i++) { |
| | | const expr = exprList[i]; |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | return super.toAssignableList(exprList, trailingCommaPos, isLHS); |
| | | super.toAssignableList(exprList, trailingCommaLoc, isLHS); |
| | | } |
| | | |
| | | toReferencedList(exprList, isParenthesizedExpr) { |
| | |
| | | const expr = exprList[i]; |
| | | |
| | | if (expr && expr.type === "TypeCastExpression" && !((_expr$extra = expr.extra) != null && _expr$extra.parenthesized) && (exprList.length > 1 || !isParenthesizedExpr)) { |
| | | this.raise(expr.typeAnnotation.start, FlowErrors.TypeCastInPattern); |
| | | this.raise(FlowErrors.TypeCastInPattern, { |
| | | at: expr.typeAnnotation |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | return node; |
| | | } |
| | | |
| | | checkLVal(expr, ...args) { |
| | | if (expr.type !== "TypeCastExpression") { |
| | | return super.checkLVal(expr, ...args); |
| | | } |
| | | isValidLVal(type, ...rest) { |
| | | return type === "TypeCastExpression" || super.isValidLVal(type, ...rest); |
| | | } |
| | | |
| | | parseClassProperty(node) { |
| | |
| | | } |
| | | |
| | | isClassMethod() { |
| | | return this.isRelational("<") || super.isClassMethod(); |
| | | return this.match(47) || super.isClassMethod(); |
| | | } |
| | | |
| | | isClassProperty() { |
| | |
| | | |
| | | pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) { |
| | | if (method.variance) { |
| | | this.unexpected(method.variance.start); |
| | | this.unexpected(method.variance.loc.start); |
| | | } |
| | | |
| | | delete method.variance; |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | method.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } |
| | | |
| | |
| | | const params = method.params; |
| | | |
| | | if (params.length > 0 && this.isThisParam(params[0])) { |
| | | this.raise(method.start, FlowErrors.ThisParamBannedInConstructor); |
| | | this.raise(FlowErrors.ThisParamBannedInConstructor, { |
| | | at: method |
| | | }); |
| | | } |
| | | } else if (method.type === "MethodDefinition" && isConstructor && method.value.params) { |
| | | const params = method.value.params; |
| | | |
| | | if (params.length > 0 && this.isThisParam(params[0])) { |
| | | this.raise(method.start, FlowErrors.ThisParamBannedInConstructor); |
| | | this.raise(FlowErrors.ThisParamBannedInConstructor, { |
| | | at: method |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | pushClassPrivateMethod(classBody, method, isGenerator, isAsync) { |
| | | if (method.variance) { |
| | | this.unexpected(method.variance.start); |
| | | this.unexpected(method.variance.loc.start); |
| | | } |
| | | |
| | | delete method.variance; |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | method.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } |
| | | |
| | |
| | | parseClassSuper(node) { |
| | | super.parseClassSuper(node); |
| | | |
| | | if (node.superClass && this.isRelational("<")) { |
| | | if (node.superClass && this.match(47)) { |
| | | node.superTypeParameters = this.flowParseTypeParameterInstantiation(); |
| | | } |
| | | |
| | | if (this.isContextual(101)) { |
| | | if (this.isContextual(110)) { |
| | | this.next(); |
| | | const implemented = node.implements = []; |
| | | |
| | |
| | | const node = this.startNode(); |
| | | node.id = this.flowParseRestrictedIdentifier(true); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterInstantiation(); |
| | | } else { |
| | | node.typeParameters = null; |
| | |
| | | const param = params[0]; |
| | | |
| | | if (this.isThisParam(param) && method.kind === "get") { |
| | | this.raise(param.start, FlowErrors.GetterMayNotHaveThisParam); |
| | | this.raise(FlowErrors.GetterMayNotHaveThisParam, { |
| | | at: param |
| | | }); |
| | | } else if (this.isThisParam(param)) { |
| | | this.raise(param.start, FlowErrors.SetterMayNotHaveThisParam); |
| | | this.raise(FlowErrors.SetterMayNotHaveThisParam, { |
| | | at: param |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | parsePropertyName(node, isPrivateNameAllowed) { |
| | | const variance = this.flowParseVariance(); |
| | | const key = super.parsePropertyName(node, isPrivateNameAllowed); |
| | | node.variance = variance; |
| | | return key; |
| | | parsePropertyNamePrefixOperator(node) { |
| | | node.variance = this.flowParseVariance(); |
| | | } |
| | | |
| | | parseObjPropValue(prop, startPos, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors) { |
| | | if (prop.variance) { |
| | | this.unexpected(prop.variance.start); |
| | | this.unexpected(prop.variance.loc.start); |
| | | } |
| | | |
| | | delete prop.variance; |
| | | let typeParameters; |
| | | |
| | | if (this.isRelational("<") && !isAccessor) { |
| | | if (this.match(47) && !isAccessor) { |
| | | typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | if (!this.match(10)) this.unexpected(); |
| | | } |
| | |
| | | parseAssignableListItemTypes(param) { |
| | | if (this.eat(17)) { |
| | | if (param.type !== "Identifier") { |
| | | this.raise(param.start, FlowErrors.PatternIsOptional); |
| | | this.raise(FlowErrors.PatternIsOptional, { |
| | | at: param |
| | | }); |
| | | } |
| | | |
| | | if (this.isThisParam(param)) { |
| | | this.raise(param.start, FlowErrors.ThisParamMayNotBeOptional); |
| | | this.raise(FlowErrors.ThisParamMayNotBeOptional, { |
| | | at: param |
| | | }); |
| | | } |
| | | |
| | | param.optional = true; |
| | |
| | | if (this.match(14)) { |
| | | param.typeAnnotation = this.flowParseTypeAnnotation(); |
| | | } else if (this.isThisParam(param)) { |
| | | this.raise(param.start, FlowErrors.ThisParamAnnotationRequired); |
| | | this.raise(FlowErrors.ThisParamAnnotationRequired, { |
| | | at: param |
| | | }); |
| | | } |
| | | |
| | | if (this.match(27) && this.isThisParam(param)) { |
| | | this.raise(param.start, FlowErrors.ThisParamNoDefault); |
| | | if (this.match(29) && this.isThisParam(param)) { |
| | | this.raise(FlowErrors.ThisParamNoDefault, { |
| | | at: param |
| | | }); |
| | | } |
| | | |
| | | this.resetEndLocation(param); |
| | |
| | | const node = super.parseMaybeDefault(startPos, startLoc, left); |
| | | |
| | | if (node.type === "AssignmentPattern" && node.typeAnnotation && node.right.start < node.typeAnnotation.start) { |
| | | this.raise(node.typeAnnotation.start, FlowErrors.TypeBeforeInitializer); |
| | | this.raise(FlowErrors.TypeBeforeInitializer, { |
| | | at: node.typeAnnotation |
| | | }); |
| | | } |
| | | |
| | | return node; |
| | |
| | | return isMaybeDefaultImport(this.state.type); |
| | | } |
| | | |
| | | parseImportSpecifierLocal(node, specifier, type, contextDescription) { |
| | | parseImportSpecifierLocal(node, specifier, type) { |
| | | specifier.local = hasTypeImportKind(node) ? this.flowParseRestrictedIdentifier(true, true) : this.parseIdentifier(); |
| | | this.checkLVal(specifier.local, contextDescription, BIND_LEXICAL); |
| | | node.specifiers.push(this.finishNode(specifier, type)); |
| | | node.specifiers.push(this.finishImportSpecifier(specifier, type)); |
| | | } |
| | | |
| | | maybeParseDefaultImportSpecifier(node) { |
| | | node.importKind = "value"; |
| | | let kind = null; |
| | | |
| | | if (this.match(78)) { |
| | | if (this.match(87)) { |
| | | kind = "typeof"; |
| | | } else if (this.isContextual(117)) { |
| | | } else if (this.isContextual(126)) { |
| | | kind = "type"; |
| | | } |
| | | |
| | |
| | | type |
| | | } = lh; |
| | | |
| | | if (kind === "type" && type === 46) { |
| | | this.unexpected(lh.start); |
| | | if (kind === "type" && type === 55) { |
| | | this.unexpected(null, lh.type); |
| | | } |
| | | |
| | | if (isMaybeDefaultImport(type) || type === 5 || type === 46) { |
| | | if (isMaybeDefaultImport(type) || type === 5 || type === 55) { |
| | | this.next(); |
| | | node.importKind = kind; |
| | | } |
| | |
| | | return super.maybeParseDefaultImportSpecifier(node); |
| | | } |
| | | |
| | | parseImportSpecifier(node) { |
| | | const specifier = this.startNode(); |
| | | const firstIdentIsString = this.match(120); |
| | | const firstIdent = this.parseModuleExportName(); |
| | | parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly) { |
| | | const firstIdent = specifier.imported; |
| | | let specifierTypeKind = null; |
| | | |
| | | if (firstIdent.type === "Identifier") { |
| | |
| | | |
| | | let isBinding = false; |
| | | |
| | | if (this.isContextual(84) && !this.isLookaheadContextual("as")) { |
| | | if (this.isContextual(93) && !this.isLookaheadContextual("as")) { |
| | | const as_ident = this.parseIdentifier(true); |
| | | |
| | | if (specifierTypeKind !== null && !tokenIsKeywordOrIdentifier(this.state.type)) { |
| | |
| | | specifier.imported = this.parseIdentifier(true); |
| | | specifier.importKind = specifierTypeKind; |
| | | } else { |
| | | if (firstIdentIsString) { |
| | | throw this.raise(specifier.start, ErrorMessages.ImportBindingIsString, firstIdent.value); |
| | | if (importedIsString) { |
| | | throw this.raise(Errors.ImportBindingIsString, { |
| | | at: specifier, |
| | | importName: firstIdent.value |
| | | }); |
| | | } |
| | | |
| | | specifier.imported = firstIdent; |
| | | specifier.importKind = null; |
| | | } |
| | | |
| | | if (this.eatContextual(84)) { |
| | | if (this.eatContextual(93)) { |
| | | specifier.local = this.parseIdentifier(); |
| | | } else { |
| | | isBinding = true; |
| | |
| | | } |
| | | } |
| | | |
| | | const nodeIsTypeImport = hasTypeImportKind(node); |
| | | const specifierIsTypeImport = hasTypeImportKind(specifier); |
| | | |
| | | if (nodeIsTypeImport && specifierIsTypeImport) { |
| | | this.raise(specifier.start, FlowErrors.ImportTypeShorthandOnlyInPureImport); |
| | | if (isInTypeOnlyImport && specifierIsTypeImport) { |
| | | this.raise(FlowErrors.ImportTypeShorthandOnlyInPureImport, { |
| | | at: specifier |
| | | }); |
| | | } |
| | | |
| | | if (nodeIsTypeImport || specifierIsTypeImport) { |
| | | this.checkReservedType(specifier.local.name, specifier.local.start, true); |
| | | if (isInTypeOnlyImport || specifierIsTypeImport) { |
| | | this.checkReservedType(specifier.local.name, specifier.local.loc.start, true); |
| | | } |
| | | |
| | | if (isBinding && !nodeIsTypeImport && !specifierIsTypeImport) { |
| | | this.checkReservedWord(specifier.local.name, specifier.start, true, true); |
| | | if (isBinding && !isInTypeOnlyImport && !specifierIsTypeImport) { |
| | | this.checkReservedWord(specifier.local.name, specifier.loc.start, true, true); |
| | | } |
| | | |
| | | this.checkLVal(specifier.local, "import specifier", BIND_LEXICAL); |
| | | node.specifiers.push(this.finishNode(specifier, "ImportSpecifier")); |
| | | return this.finishImportSpecifier(specifier, "ImportSpecifier"); |
| | | } |
| | | |
| | | parseBindingAtom() { |
| | | switch (this.state.type) { |
| | | case 69: |
| | | case 78: |
| | | return this.parseIdentifier(true); |
| | | |
| | | default: |
| | |
| | | parseFunctionParams(node, allowModifiers) { |
| | | const kind = node.kind; |
| | | |
| | | if (kind !== "get" && kind !== "set" && this.isRelational("<")) { |
| | | if (kind !== "get" && kind !== "set" && this.match(47)) { |
| | | node.typeParameters = this.flowParseTypeParameterDeclaration(); |
| | | } |
| | | |
| | |
| | | let state = null; |
| | | let jsx; |
| | | |
| | | if (this.hasPlugin("jsx") && (this.match(129) || this.isRelational("<"))) { |
| | | if (this.hasPlugin("jsx") && (this.match(138) || this.match(47))) { |
| | | state = this.state.clone(); |
| | | jsx = this.tryParse(() => super.parseMaybeAssign(refExpressionErrors, afterLeftParse), state); |
| | | if (!jsx.error) return jsx.node; |
| | | const { |
| | | context |
| | | } = this.state; |
| | | const curContext = context[context.length - 1]; |
| | | const currentContext = context[context.length - 1]; |
| | | |
| | | if (curContext === types.j_oTag) { |
| | | context.length -= 2; |
| | | } else if (curContext === types.j_expr) { |
| | | context.length -= 1; |
| | | if (currentContext === types.j_oTag || currentContext === types.j_expr) { |
| | | context.pop(); |
| | | } |
| | | } |
| | | |
| | | if ((_jsx = jsx) != null && _jsx.error || this.isRelational("<")) { |
| | | if ((_jsx = jsx) != null && _jsx.error || this.match(47)) { |
| | | var _jsx2, _jsx3; |
| | | |
| | | state = state || this.state.clone(); |
| | |
| | | if (arrow.node && this.maybeUnwrapTypeCastExpression(arrow.node).type === "ArrowFunctionExpression") { |
| | | if (!arrow.error && !arrow.aborted) { |
| | | if (arrow.node.async) { |
| | | this.raise(typeParameters.start, FlowErrors.UnexpectedTypeParameterBeforeAsyncArrowFunction); |
| | | this.raise(FlowErrors.UnexpectedTypeParameterBeforeAsyncArrowFunction, { |
| | | at: typeParameters |
| | | }); |
| | | } |
| | | |
| | | return arrow.node; |
| | |
| | | |
| | | if ((_jsx3 = jsx) != null && _jsx3.thrown) throw jsx.error; |
| | | if (arrow.thrown) throw arrow.error; |
| | | throw this.raise(typeParameters.start, FlowErrors.UnexpectedTokenAfterTypeParameter); |
| | | throw this.raise(FlowErrors.UnexpectedTokenAfterTypeParameter, { |
| | | at: typeParameters |
| | | }); |
| | | } |
| | | |
| | | return super.parseMaybeAssign(refExpressionErrors, afterLeftParse); |
| | |
| | | |
| | | for (let i = 0; i < node.params.length; i++) { |
| | | if (this.isThisParam(node.params[i]) && i > 0) { |
| | | this.raise(node.params[i].start, FlowErrors.ThisParamMustBeFirst); |
| | | this.raise(FlowErrors.ThisParamMustBeFirst, { |
| | | at: node.params[i] |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | node.callee = base; |
| | | node.arguments = this.parseCallExpressionArguments(11, false); |
| | | base = this.finishNode(node, "CallExpression"); |
| | | } else if (base.type === "Identifier" && base.name === "async" && this.isRelational("<")) { |
| | | } else if (base.type === "Identifier" && base.name === "async" && this.match(47)) { |
| | | const state = this.state.clone(); |
| | | const arrow = this.tryParse(abort => this.parseAsyncArrowWithTypeParameters(startPos, startLoc) || abort(), state); |
| | | if (!arrow.error && !arrow.aborted) return arrow.node; |
| | |
| | | node.arguments = this.parseCallExpressionArguments(11, false); |
| | | node.optional = true; |
| | | return this.finishCallExpression(node, true); |
| | | } else if (!noCalls && this.shouldParseTypes() && this.isRelational("<")) { |
| | | } else if (!noCalls && this.shouldParseTypes() && this.match(47)) { |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | node.callee = base; |
| | | const result = this.tryParse(() => { |
| | |
| | | parseNewArguments(node) { |
| | | let targs = null; |
| | | |
| | | if (this.shouldParseTypes() && this.isRelational("<")) { |
| | | if (this.shouldParseTypes() && this.match(47)) { |
| | | targs = this.tryParse(() => this.flowParseTypeParameterInstantiationCallOrNew()).node; |
| | | } |
| | | |
| | |
| | | const fileNode = super.parseTopLevel(file, program); |
| | | |
| | | if (this.state.hasFlowComment) { |
| | | this.raise(this.state.pos, FlowErrors.UnterminatedFlowComment); |
| | | this.raise(FlowErrors.UnterminatedFlowComment, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | return fileNode; |
| | |
| | | skipBlockComment() { |
| | | if (this.hasPlugin("flowComments") && this.skipFlowComment()) { |
| | | if (this.state.hasFlowComment) { |
| | | this.unexpected(null, FlowErrors.NestedFlowComment); |
| | | throw this.raise(FlowErrors.NestedFlowComment, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.hasFlowCommentCompletion(); |
| | |
| | | } |
| | | |
| | | if (this.state.hasFlowComment) { |
| | | const end = this.input.indexOf("*-/", this.state.pos += 2); |
| | | const end = this.input.indexOf("*-/", this.state.pos + 2); |
| | | |
| | | if (end === -1) { |
| | | throw this.raise(this.state.pos - 2, ErrorMessages.UnterminatedComment); |
| | | throw this.raise(Errors.UnterminatedComment, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.state.pos = end + 3; |
| | | this.state.pos = end + 2 + 3; |
| | | return; |
| | | } |
| | | |
| | |
| | | const end = this.input.indexOf("*/", this.state.pos); |
| | | |
| | | if (end === -1) { |
| | | throw this.raise(this.state.pos, ErrorMessages.UnterminatedComment); |
| | | throw this.raise(Errors.UnterminatedComment, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | } |
| | | |
| | | flowEnumErrorBooleanMemberNotInitialized(pos, { |
| | | flowEnumErrorBooleanMemberNotInitialized(loc, { |
| | | enumName, |
| | | memberName |
| | | }) { |
| | | this.raise(pos, FlowErrors.EnumBooleanMemberNotInitialized, memberName, enumName); |
| | | this.raise(FlowErrors.EnumBooleanMemberNotInitialized, { |
| | | at: loc, |
| | | memberName, |
| | | enumName |
| | | }); |
| | | } |
| | | |
| | | flowEnumErrorInvalidMemberName(pos, { |
| | | flowEnumErrorInvalidMemberInitializer(loc, enumContext) { |
| | | return this.raise(!enumContext.explicitType ? FlowErrors.EnumInvalidMemberInitializerUnknownType : enumContext.explicitType === "symbol" ? FlowErrors.EnumInvalidMemberInitializerSymbolType : FlowErrors.EnumInvalidMemberInitializerPrimaryType, Object.assign({ |
| | | at: loc |
| | | }, enumContext)); |
| | | } |
| | | |
| | | flowEnumErrorNumberMemberNotInitialized(loc, { |
| | | enumName, |
| | | memberName |
| | | }) { |
| | | const suggestion = memberName[0].toUpperCase() + memberName.slice(1); |
| | | this.raise(pos, FlowErrors.EnumInvalidMemberName, memberName, suggestion, enumName); |
| | | this.raise(FlowErrors.EnumNumberMemberNotInitialized, { |
| | | at: loc, |
| | | enumName, |
| | | memberName |
| | | }); |
| | | } |
| | | |
| | | flowEnumErrorDuplicateMemberName(pos, { |
| | | enumName, |
| | | memberName |
| | | }) { |
| | | this.raise(pos, FlowErrors.EnumDuplicateMemberName, memberName, enumName); |
| | | } |
| | | |
| | | flowEnumErrorInconsistentMemberValues(pos, { |
| | | flowEnumErrorStringMemberInconsistentlyInitailized(node, { |
| | | enumName |
| | | }) { |
| | | this.raise(pos, FlowErrors.EnumInconsistentMemberValues, enumName); |
| | | } |
| | | |
| | | flowEnumErrorInvalidExplicitType(pos, { |
| | | enumName, |
| | | suppliedType |
| | | }) { |
| | | return this.raise(pos, suppliedType === null ? FlowErrors.EnumInvalidExplicitTypeUnknownSupplied : FlowErrors.EnumInvalidExplicitType, enumName, suppliedType); |
| | | } |
| | | |
| | | flowEnumErrorInvalidMemberInitializer(pos, { |
| | | enumName, |
| | | explicitType, |
| | | memberName |
| | | }) { |
| | | let message = null; |
| | | |
| | | switch (explicitType) { |
| | | case "boolean": |
| | | case "number": |
| | | case "string": |
| | | message = FlowErrors.EnumInvalidMemberInitializerPrimaryType; |
| | | break; |
| | | |
| | | case "symbol": |
| | | message = FlowErrors.EnumInvalidMemberInitializerSymbolType; |
| | | break; |
| | | |
| | | default: |
| | | message = FlowErrors.EnumInvalidMemberInitializerUnknownType; |
| | | } |
| | | |
| | | return this.raise(pos, message, enumName, memberName, explicitType); |
| | | } |
| | | |
| | | flowEnumErrorNumberMemberNotInitialized(pos, { |
| | | enumName, |
| | | memberName |
| | | }) { |
| | | this.raise(pos, FlowErrors.EnumNumberMemberNotInitialized, enumName, memberName); |
| | | } |
| | | |
| | | flowEnumErrorStringMemberInconsistentlyInitailized(pos, { |
| | | enumName |
| | | }) { |
| | | this.raise(pos, FlowErrors.EnumStringMemberInconsistentlyInitailized, enumName); |
| | | this.raise(FlowErrors.EnumStringMemberInconsistentlyInitailized, { |
| | | at: node, |
| | | enumName |
| | | }); |
| | | } |
| | | |
| | | flowEnumMemberInit() { |
| | | const startPos = this.state.start; |
| | | const startLoc = this.state.startLoc; |
| | | |
| | | const endOfInit = () => this.match(12) || this.match(8); |
| | | |
| | | switch (this.state.type) { |
| | | case 121: |
| | | case 130: |
| | | { |
| | | const literal = this.parseNumericLiteral(this.state.value); |
| | | |
| | | if (endOfInit()) { |
| | | return { |
| | | type: "number", |
| | | pos: literal.start, |
| | | loc: literal.loc.start, |
| | | value: literal |
| | | }; |
| | | } |
| | | |
| | | return { |
| | | type: "invalid", |
| | | pos: startPos |
| | | loc: startLoc |
| | | }; |
| | | } |
| | | |
| | | case 120: |
| | | case 129: |
| | | { |
| | | const literal = this.parseStringLiteral(this.state.value); |
| | | |
| | | if (endOfInit()) { |
| | | return { |
| | | type: "string", |
| | | pos: literal.start, |
| | | loc: literal.loc.start, |
| | | value: literal |
| | | }; |
| | | } |
| | | |
| | | return { |
| | | type: "invalid", |
| | | pos: startPos |
| | | loc: startLoc |
| | | }; |
| | | } |
| | | |
| | | case 76: |
| | | case 77: |
| | | case 85: |
| | | case 86: |
| | | { |
| | | const literal = this.parseBooleanLiteral(this.match(76)); |
| | | const literal = this.parseBooleanLiteral(this.match(85)); |
| | | |
| | | if (endOfInit()) { |
| | | return { |
| | | type: "boolean", |
| | | pos: literal.start, |
| | | loc: literal.loc.start, |
| | | value: literal |
| | | }; |
| | | } |
| | | |
| | | return { |
| | | type: "invalid", |
| | | pos: startPos |
| | | loc: startLoc |
| | | }; |
| | | } |
| | | |
| | | default: |
| | | return { |
| | | type: "invalid", |
| | | pos: startPos |
| | | loc: startLoc |
| | | }; |
| | | } |
| | | } |
| | | |
| | | flowEnumMemberRaw() { |
| | | const pos = this.state.start; |
| | | const loc = this.state.startLoc; |
| | | const id = this.parseIdentifier(true); |
| | | const init = this.eat(27) ? this.flowEnumMemberInit() : { |
| | | const init = this.eat(29) ? this.flowEnumMemberInit() : { |
| | | type: "none", |
| | | pos |
| | | loc |
| | | }; |
| | | return { |
| | | id, |
| | |
| | | }; |
| | | } |
| | | |
| | | flowEnumCheckExplicitTypeMismatch(pos, context, expectedType) { |
| | | flowEnumCheckExplicitTypeMismatch(loc, context, expectedType) { |
| | | const { |
| | | explicitType |
| | | } = context; |
| | |
| | | } |
| | | |
| | | if (explicitType !== expectedType) { |
| | | this.flowEnumErrorInvalidMemberInitializer(pos, context); |
| | | this.flowEnumErrorInvalidMemberInitializer(loc, context); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | if (/^[a-z]/.test(memberName)) { |
| | | this.flowEnumErrorInvalidMemberName(id.start, { |
| | | enumName, |
| | | memberName |
| | | this.raise(FlowErrors.EnumInvalidMemberName, { |
| | | at: id, |
| | | memberName, |
| | | suggestion: memberName[0].toUpperCase() + memberName.slice(1), |
| | | enumName |
| | | }); |
| | | } |
| | | |
| | | if (seenNames.has(memberName)) { |
| | | this.flowEnumErrorDuplicateMemberName(id.start, { |
| | | enumName, |
| | | memberName |
| | | this.raise(FlowErrors.EnumDuplicateMemberName, { |
| | | at: id, |
| | | memberName, |
| | | enumName |
| | | }); |
| | | } |
| | | |
| | |
| | | switch (init.type) { |
| | | case "boolean": |
| | | { |
| | | this.flowEnumCheckExplicitTypeMismatch(init.pos, context, "boolean"); |
| | | this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "boolean"); |
| | | memberNode.init = init.value; |
| | | members.booleanMembers.push(this.finishNode(memberNode, "EnumBooleanMember")); |
| | | break; |
| | |
| | | |
| | | case "number": |
| | | { |
| | | this.flowEnumCheckExplicitTypeMismatch(init.pos, context, "number"); |
| | | this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "number"); |
| | | memberNode.init = init.value; |
| | | members.numberMembers.push(this.finishNode(memberNode, "EnumNumberMember")); |
| | | break; |
| | |
| | | |
| | | case "string": |
| | | { |
| | | this.flowEnumCheckExplicitTypeMismatch(init.pos, context, "string"); |
| | | this.flowEnumCheckExplicitTypeMismatch(init.loc, context, "string"); |
| | | memberNode.init = init.value; |
| | | members.stringMembers.push(this.finishNode(memberNode, "EnumStringMember")); |
| | | break; |
| | |
| | | |
| | | case "invalid": |
| | | { |
| | | throw this.flowEnumErrorInvalidMemberInitializer(init.pos, context); |
| | | throw this.flowEnumErrorInvalidMemberInitializer(init.loc, context); |
| | | } |
| | | |
| | | case "none": |
| | | { |
| | | switch (explicitType) { |
| | | case "boolean": |
| | | this.flowEnumErrorBooleanMemberNotInitialized(init.pos, context); |
| | | this.flowEnumErrorBooleanMemberNotInitialized(init.loc, context); |
| | | break; |
| | | |
| | | case "number": |
| | | this.flowEnumErrorNumberMemberNotInitialized(init.pos, context); |
| | | this.flowEnumErrorNumberMemberNotInitialized(init.loc, context); |
| | | break; |
| | | |
| | | default: |
| | |
| | | return initializedMembers; |
| | | } else if (defaultedMembers.length > initializedMembers.length) { |
| | | for (const member of initializedMembers) { |
| | | this.flowEnumErrorStringMemberInconsistentlyInitailized(member.start, { |
| | | this.flowEnumErrorStringMemberInconsistentlyInitailized(member, { |
| | | enumName |
| | | }); |
| | | } |
| | |
| | | return defaultedMembers; |
| | | } else { |
| | | for (const member of defaultedMembers) { |
| | | this.flowEnumErrorStringMemberInconsistentlyInitailized(member.start, { |
| | | this.flowEnumErrorStringMemberInconsistentlyInitailized(member, { |
| | | enumName |
| | | }); |
| | | } |
| | |
| | | flowEnumParseExplicitType({ |
| | | enumName |
| | | }) { |
| | | if (this.eatContextual(92)) { |
| | | if (!tokenIsIdentifier(this.state.type)) { |
| | | throw this.flowEnumErrorInvalidExplicitType(this.state.start, { |
| | | enumName, |
| | | suppliedType: null |
| | | }); |
| | | } |
| | | if (!this.eatContextual(101)) return null; |
| | | |
| | | const { |
| | | value |
| | | } = this.state; |
| | | this.next(); |
| | | |
| | | if (value !== "boolean" && value !== "number" && value !== "string" && value !== "symbol") { |
| | | this.flowEnumErrorInvalidExplicitType(this.state.start, { |
| | | enumName, |
| | | suppliedType: value |
| | | }); |
| | | } |
| | | |
| | | return value; |
| | | if (!tokenIsIdentifier(this.state.type)) { |
| | | throw this.raise(FlowErrors.EnumInvalidExplicitTypeUnknownSupplied, { |
| | | at: this.state.startLoc, |
| | | enumName |
| | | }); |
| | | } |
| | | |
| | | return null; |
| | | const { |
| | | value |
| | | } = this.state; |
| | | this.next(); |
| | | |
| | | if (value !== "boolean" && value !== "number" && value !== "string" && value !== "symbol") { |
| | | this.raise(FlowErrors.EnumInvalidExplicitType, { |
| | | at: this.state.startLoc, |
| | | enumName, |
| | | invalidEnumType: value |
| | | }); |
| | | } |
| | | |
| | | return value; |
| | | } |
| | | |
| | | flowEnumBody(node, { |
| | | enumName, |
| | | nameLoc |
| | | }) { |
| | | flowEnumBody(node, id) { |
| | | const enumName = id.name; |
| | | const nameLoc = id.loc.start; |
| | | const explicitType = this.flowEnumParseExplicitType({ |
| | | enumName |
| | | }); |
| | |
| | | return this.finishNode(node, "EnumStringBody"); |
| | | } else if (!numsLen && !strsLen && boolsLen >= defaultedLen) { |
| | | for (const member of members.defaultedMembers) { |
| | | this.flowEnumErrorBooleanMemberNotInitialized(member.start, { |
| | | this.flowEnumErrorBooleanMemberNotInitialized(member.loc.start, { |
| | | enumName, |
| | | memberName: member.id.name |
| | | }); |
| | |
| | | return this.finishNode(node, "EnumBooleanBody"); |
| | | } else if (!boolsLen && !strsLen && numsLen >= defaultedLen) { |
| | | for (const member of members.defaultedMembers) { |
| | | this.flowEnumErrorNumberMemberNotInitialized(member.start, { |
| | | this.flowEnumErrorNumberMemberNotInitialized(member.loc.start, { |
| | | enumName, |
| | | memberName: member.id.name |
| | | }); |
| | |
| | | this.expect(8); |
| | | return this.finishNode(node, "EnumNumberBody"); |
| | | } else { |
| | | this.flowEnumErrorInconsistentMemberValues(nameLoc, { |
| | | this.raise(FlowErrors.EnumInconsistentMemberValues, { |
| | | at: nameLoc, |
| | | enumName |
| | | }); |
| | | return empty(); |
| | |
| | | flowParseEnumDeclaration(node) { |
| | | const id = this.parseIdentifier(); |
| | | node.id = id; |
| | | node.body = this.flowEnumBody(this.startNode(), { |
| | | enumName: id.name, |
| | | nameLoc: id.start |
| | | }); |
| | | node.body = this.flowEnumBody(this.startNode(), id); |
| | | return this.finishNode(node, "EnumDeclaration"); |
| | | } |
| | | |
| | |
| | | }); |
| | | |
| | | const entities = { |
| | | __proto__: null, |
| | | quot: "\u0022", |
| | | amp: "&", |
| | | apos: "\u0027", |
| | |
| | | diams: "\u2666" |
| | | }; |
| | | |
| | | const HEX_NUMBER = /^[\da-fA-F]+$/; |
| | | const DECIMAL_NUMBER = /^\d+$/; |
| | | const JsxErrors = makeErrorTemplates({ |
| | | AttributeIsEmpty: "JSX attributes must only be assigned a non-empty expression.", |
| | | MissingClosingTagElement: "Expected corresponding JSX closing tag for <%0>.", |
| | | MissingClosingTagFragment: "Expected corresponding JSX closing tag for <>.", |
| | | UnexpectedSequenceExpression: "Sequence expressions cannot be directly nested inside JSX. Did you mean to wrap it in parentheses (...)?", |
| | | UnsupportedJsxValue: "JSX value should be either an expression or a quoted JSX text.", |
| | | UnterminatedJsxContent: "Unterminated JSX contents.", |
| | | UnwrappedAdjacentJSXElements: "Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>?" |
| | | }, ErrorCodes.SyntaxError, "jsx"); |
| | | types.j_oTag = new TokContext("<tag"); |
| | | types.j_cTag = new TokContext("</tag"); |
| | | types.j_expr = new TokContext("<tag>...</tag>", true); |
| | | const JsxErrors = ParseErrorEnum`jsx`(_ => ({ |
| | | AttributeIsEmpty: _("JSX attributes must only be assigned a non-empty expression."), |
| | | MissingClosingTagElement: _(({ |
| | | openingTagName |
| | | }) => `Expected corresponding JSX closing tag for <${openingTagName}>.`), |
| | | MissingClosingTagFragment: _("Expected corresponding JSX closing tag for <>."), |
| | | UnexpectedSequenceExpression: _("Sequence expressions cannot be directly nested inside JSX. Did you mean to wrap it in parentheses (...)?"), |
| | | UnexpectedToken: _(({ |
| | | unexpected, |
| | | HTMLEntity |
| | | }) => `Unexpected token \`${unexpected}\`. Did you mean \`${HTMLEntity}\` or \`{'${unexpected}'}\`?`), |
| | | UnsupportedJsxValue: _("JSX value should be either an expression or a quoted JSX text."), |
| | | UnterminatedJsxContent: _("Unterminated JSX contents."), |
| | | UnwrappedAdjacentJSXElements: _("Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>?") |
| | | })); |
| | | |
| | | function isFragment(object) { |
| | | return object ? object.type === "JSXOpeningFragment" || object.type === "JSXClosingFragment" : false; |
| | |
| | | |
| | | for (;;) { |
| | | if (this.state.pos >= this.length) { |
| | | throw this.raise(this.state.start, JsxErrors.UnterminatedJsxContent); |
| | | throw this.raise(JsxErrors.UnterminatedJsxContent, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const ch = this.input.charCodeAt(this.state.pos); |
| | |
| | | case 60: |
| | | case 123: |
| | | if (this.state.pos === this.state.start) { |
| | | if (ch === 60 && this.state.exprAllowed) { |
| | | if (ch === 60 && this.state.canStartJSXElement) { |
| | | ++this.state.pos; |
| | | return this.finishToken(129); |
| | | return this.finishToken(138); |
| | | } |
| | | |
| | | return super.getTokenFromCode(ch); |
| | | } |
| | | |
| | | out += this.input.slice(chunkStart, this.state.pos); |
| | | return this.finishToken(128, out); |
| | | return this.finishToken(137, out); |
| | | |
| | | case 38: |
| | | out += this.input.slice(chunkStart, this.state.pos); |
| | |
| | | |
| | | for (;;) { |
| | | if (this.state.pos >= this.length) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnterminatedString); |
| | | throw this.raise(Errors.UnterminatedString, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const ch = this.input.charCodeAt(this.state.pos); |
| | |
| | | } |
| | | |
| | | out += this.input.slice(chunkStart, this.state.pos++); |
| | | return this.finishToken(120, out); |
| | | return this.finishToken(129, out); |
| | | } |
| | | |
| | | jsxReadEntity() { |
| | | let str = ""; |
| | | let count = 0; |
| | | let entity; |
| | | let ch = this.input[this.state.pos]; |
| | | const startPos = ++this.state.pos; |
| | | |
| | | while (this.state.pos < this.length && count++ < 10) { |
| | | ch = this.input[this.state.pos++]; |
| | | if (this.codePointAtPos(this.state.pos) === 35) { |
| | | ++this.state.pos; |
| | | let radix = 10; |
| | | |
| | | if (ch === ";") { |
| | | if (str[0] === "#") { |
| | | if (str[1] === "x") { |
| | | str = str.substr(2); |
| | | |
| | | if (HEX_NUMBER.test(str)) { |
| | | entity = String.fromCodePoint(parseInt(str, 16)); |
| | | } |
| | | } else { |
| | | str = str.substr(1); |
| | | |
| | | if (DECIMAL_NUMBER.test(str)) { |
| | | entity = String.fromCodePoint(parseInt(str, 10)); |
| | | } |
| | | } |
| | | } else { |
| | | entity = entities[str]; |
| | | } |
| | | |
| | | break; |
| | | if (this.codePointAtPos(this.state.pos) === 120) { |
| | | radix = 16; |
| | | ++this.state.pos; |
| | | } |
| | | |
| | | str += ch; |
| | | const codePoint = this.readInt(radix, undefined, false, "bail"); |
| | | |
| | | if (codePoint !== null && this.codePointAtPos(this.state.pos) === 59) { |
| | | ++this.state.pos; |
| | | return String.fromCodePoint(codePoint); |
| | | } |
| | | } else { |
| | | let count = 0; |
| | | let semi = false; |
| | | |
| | | while (count++ < 10 && this.state.pos < this.length && !(semi = this.codePointAtPos(this.state.pos) == 59)) { |
| | | ++this.state.pos; |
| | | } |
| | | |
| | | if (semi) { |
| | | const desc = this.input.slice(startPos, this.state.pos); |
| | | const entity = entities[desc]; |
| | | ++this.state.pos; |
| | | |
| | | if (entity) { |
| | | return entity; |
| | | } |
| | | } |
| | | } |
| | | |
| | | if (!entity) { |
| | | this.state.pos = startPos; |
| | | return "&"; |
| | | } |
| | | |
| | | return entity; |
| | | this.state.pos = startPos; |
| | | return "&"; |
| | | } |
| | | |
| | | jsxReadWord() { |
| | |
| | | ch = this.input.charCodeAt(++this.state.pos); |
| | | } while (isIdentifierChar(ch) || ch === 45); |
| | | |
| | | return this.finishToken(127, this.input.slice(start, this.state.pos)); |
| | | return this.finishToken(136, this.input.slice(start, this.state.pos)); |
| | | } |
| | | |
| | | jsxParseIdentifier() { |
| | | const node = this.startNode(); |
| | | |
| | | if (this.match(127)) { |
| | | if (this.match(136)) { |
| | | node.name = this.state.value; |
| | | } else if (tokenIsKeyword(this.state.type)) { |
| | | node.name = tokenLabelName(this.state.type); |
| | |
| | | switch (this.state.type) { |
| | | case 5: |
| | | node = this.startNode(); |
| | | this.setContext(types.brace); |
| | | this.next(); |
| | | node = this.jsxParseExpressionContainer(node); |
| | | node = this.jsxParseExpressionContainer(node, types.j_oTag); |
| | | |
| | | if (node.expression.type === "JSXEmptyExpression") { |
| | | this.raise(node.start, JsxErrors.AttributeIsEmpty); |
| | | this.raise(JsxErrors.AttributeIsEmpty, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | return node; |
| | | |
| | | case 138: |
| | | case 129: |
| | | case 120: |
| | | return this.parseExprAtom(); |
| | | |
| | | default: |
| | | throw this.raise(this.state.start, JsxErrors.UnsupportedJsxValue); |
| | | throw this.raise(JsxErrors.UnsupportedJsxValue, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | | jsxParseEmptyExpression() { |
| | | const node = this.startNodeAt(this.state.lastTokEnd, this.state.lastTokEndLoc); |
| | | return this.finishNodeAt(node, "JSXEmptyExpression", this.state.start, this.state.startLoc); |
| | | const node = this.startNodeAt(this.state.lastTokEndLoc.index, this.state.lastTokEndLoc); |
| | | return this.finishNodeAt(node, "JSXEmptyExpression", this.state.startLoc); |
| | | } |
| | | |
| | | jsxParseSpreadChild(node) { |
| | | this.next(); |
| | | node.expression = this.parseExpression(); |
| | | this.setContext(types.j_oTag); |
| | | this.expect(8); |
| | | return this.finishNode(node, "JSXSpreadChild"); |
| | | } |
| | | |
| | | jsxParseExpressionContainer(node) { |
| | | jsxParseExpressionContainer(node, previousContext) { |
| | | if (this.match(8)) { |
| | | node.expression = this.jsxParseEmptyExpression(); |
| | | } else { |
| | |
| | | node.expression = expression; |
| | | } |
| | | |
| | | this.setContext(previousContext); |
| | | this.expect(8); |
| | | return this.finishNode(node, "JSXExpressionContainer"); |
| | | } |
| | |
| | | jsxParseAttribute() { |
| | | const node = this.startNode(); |
| | | |
| | | if (this.eat(5)) { |
| | | if (this.match(5)) { |
| | | this.setContext(types.brace); |
| | | this.next(); |
| | | this.expect(21); |
| | | node.argument = this.parseMaybeAssignAllowIn(); |
| | | this.setContext(types.j_oTag); |
| | | this.expect(8); |
| | | return this.finishNode(node, "JSXSpreadAttribute"); |
| | | } |
| | | |
| | | node.name = this.jsxParseNamespacedName(); |
| | | node.value = this.eat(27) ? this.jsxParseAttributeValue() : null; |
| | | node.value = this.eat(29) ? this.jsxParseAttributeValue() : null; |
| | | return this.finishNode(node, "JSXAttribute"); |
| | | } |
| | | |
| | | jsxParseOpeningElementAt(startPos, startLoc) { |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | |
| | | if (this.match(130)) { |
| | | this.expect(130); |
| | | if (this.match(139)) { |
| | | this.expect(139); |
| | | return this.finishNode(node, "JSXOpeningFragment"); |
| | | } |
| | | |
| | |
| | | jsxParseOpeningElementAfterName(node) { |
| | | const attributes = []; |
| | | |
| | | while (!this.match(47) && !this.match(130)) { |
| | | while (!this.match(56) && !this.match(139)) { |
| | | attributes.push(this.jsxParseAttribute()); |
| | | } |
| | | |
| | | node.attributes = attributes; |
| | | node.selfClosing = this.eat(47); |
| | | this.expect(130); |
| | | node.selfClosing = this.eat(56); |
| | | this.expect(139); |
| | | return this.finishNode(node, "JSXOpeningElement"); |
| | | } |
| | | |
| | | jsxParseClosingElementAt(startPos, startLoc) { |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | |
| | | if (this.match(130)) { |
| | | this.expect(130); |
| | | if (this.match(139)) { |
| | | this.expect(139); |
| | | return this.finishNode(node, "JSXClosingFragment"); |
| | | } |
| | | |
| | | node.name = this.jsxParseElementName(); |
| | | this.expect(130); |
| | | this.expect(139); |
| | | return this.finishNode(node, "JSXClosingElement"); |
| | | } |
| | | |
| | |
| | | if (!openingElement.selfClosing) { |
| | | contents: for (;;) { |
| | | switch (this.state.type) { |
| | | case 129: |
| | | case 138: |
| | | startPos = this.state.start; |
| | | startLoc = this.state.startLoc; |
| | | this.next(); |
| | | |
| | | if (this.eat(47)) { |
| | | if (this.eat(56)) { |
| | | closingElement = this.jsxParseClosingElementAt(startPos, startLoc); |
| | | break contents; |
| | | } |
| | |
| | | children.push(this.jsxParseElementAt(startPos, startLoc)); |
| | | break; |
| | | |
| | | case 128: |
| | | case 137: |
| | | children.push(this.parseExprAtom()); |
| | | break; |
| | | |
| | | case 5: |
| | | { |
| | | const node = this.startNode(); |
| | | this.setContext(types.brace); |
| | | this.next(); |
| | | |
| | | if (this.match(21)) { |
| | | children.push(this.jsxParseSpreadChild(node)); |
| | | } else { |
| | | children.push(this.jsxParseExpressionContainer(node)); |
| | | children.push(this.jsxParseExpressionContainer(node, types.j_expr)); |
| | | } |
| | | |
| | | break; |
| | |
| | | } |
| | | } |
| | | |
| | | if (isFragment(openingElement) && !isFragment(closingElement)) { |
| | | this.raise(closingElement.start, JsxErrors.MissingClosingTagFragment); |
| | | if (isFragment(openingElement) && !isFragment(closingElement) && closingElement !== null) { |
| | | this.raise(JsxErrors.MissingClosingTagFragment, { |
| | | at: closingElement |
| | | }); |
| | | } else if (!isFragment(openingElement) && isFragment(closingElement)) { |
| | | this.raise(closingElement.start, JsxErrors.MissingClosingTagElement, getQualifiedJSXName(openingElement.name)); |
| | | this.raise(JsxErrors.MissingClosingTagElement, { |
| | | at: closingElement, |
| | | openingTagName: getQualifiedJSXName(openingElement.name) |
| | | }); |
| | | } else if (!isFragment(openingElement) && !isFragment(closingElement)) { |
| | | if (getQualifiedJSXName(closingElement.name) !== getQualifiedJSXName(openingElement.name)) { |
| | | this.raise(closingElement.start, JsxErrors.MissingClosingTagElement, getQualifiedJSXName(openingElement.name)); |
| | | this.raise(JsxErrors.MissingClosingTagElement, { |
| | | at: closingElement, |
| | | openingTagName: getQualifiedJSXName(openingElement.name) |
| | | }); |
| | | } |
| | | } |
| | | } |
| | |
| | | |
| | | node.children = children; |
| | | |
| | | if (this.isRelational("<")) { |
| | | throw this.raise(this.state.start, JsxErrors.UnwrappedAdjacentJSXElements); |
| | | if (this.match(47)) { |
| | | throw this.raise(JsxErrors.UnwrappedAdjacentJSXElements, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | return isFragment(openingElement) ? this.finishNode(node, "JSXFragment") : this.finishNode(node, "JSXElement"); |
| | |
| | | return this.jsxParseElementAt(startPos, startLoc); |
| | | } |
| | | |
| | | setContext(newContext) { |
| | | const { |
| | | context |
| | | } = this.state; |
| | | context[context.length - 1] = newContext; |
| | | } |
| | | |
| | | parseExprAtom(refExpressionErrors) { |
| | | if (this.match(128)) { |
| | | if (this.match(137)) { |
| | | return this.parseLiteral(this.state.value, "JSXText"); |
| | | } else if (this.match(129)) { |
| | | } else if (this.match(138)) { |
| | | return this.jsxParseElement(); |
| | | } else if (this.isRelational("<") && this.input.charCodeAt(this.state.pos) !== 33) { |
| | | this.finishToken(129); |
| | | } else if (this.match(47) && this.input.charCodeAt(this.state.pos) !== 33) { |
| | | this.replaceToken(138); |
| | | return this.jsxParseElement(); |
| | | } else { |
| | | return super.parseExprAtom(refExpressionErrors); |
| | | } |
| | | } |
| | | |
| | | createLookaheadState(state) { |
| | | const lookaheadState = super.createLookaheadState(state); |
| | | lookaheadState.inPropertyName = state.inPropertyName; |
| | | return lookaheadState; |
| | | skipSpace() { |
| | | const curContext = this.curContext(); |
| | | if (!curContext.preserveSpace) super.skipSpace(); |
| | | } |
| | | |
| | | getTokenFromCode(code) { |
| | | if (this.state.inPropertyName) return super.getTokenFromCode(code); |
| | | const context = this.curContext(); |
| | | |
| | | if (context === types.j_expr) { |
| | |
| | | |
| | | if (code === 62) { |
| | | ++this.state.pos; |
| | | return this.finishToken(130); |
| | | return this.finishToken(139); |
| | | } |
| | | |
| | | if ((code === 34 || code === 39) && context === types.j_oTag) { |
| | |
| | | } |
| | | } |
| | | |
| | | if (code === 60 && this.state.exprAllowed && this.input.charCodeAt(this.state.pos + 1) !== 33) { |
| | | if (code === 60 && this.state.canStartJSXElement && this.input.charCodeAt(this.state.pos + 1) !== 33) { |
| | | ++this.state.pos; |
| | | return this.finishToken(129); |
| | | return this.finishToken(138); |
| | | } |
| | | |
| | | return super.getTokenFromCode(code); |
| | | } |
| | | |
| | | updateContext(prevType) { |
| | | super.updateContext(prevType); |
| | | const { |
| | | context, |
| | | type |
| | | } = this.state; |
| | | |
| | | if (type === 47 && prevType === 129) { |
| | | if (type === 56 && prevType === 138) { |
| | | context.splice(-2, 2, types.j_cTag); |
| | | this.state.exprAllowed = false; |
| | | } else if (type === 129) { |
| | | context.push(types.j_expr, types.j_oTag); |
| | | } else if (type === 130) { |
| | | const out = context.pop(); |
| | | this.state.canStartJSXElement = false; |
| | | } else if (type === 138) { |
| | | context.push(types.j_oTag); |
| | | } else if (type === 139) { |
| | | const out = context[context.length - 1]; |
| | | |
| | | if (out === types.j_oTag && prevType === 47 || out === types.j_cTag) { |
| | | if (out === types.j_oTag && prevType === 56 || out === types.j_cTag) { |
| | | context.pop(); |
| | | this.state.exprAllowed = context[context.length - 1] === types.j_expr; |
| | | this.state.canStartJSXElement = context[context.length - 1] === types.j_expr; |
| | | } else { |
| | | this.state.exprAllowed = true; |
| | | this.setContext(types.j_expr); |
| | | this.state.canStartJSXElement = true; |
| | | } |
| | | } else if (tokenIsKeyword(type) && (prevType === 16 || prevType === 18)) { |
| | | this.state.exprAllowed = false; |
| | | } else { |
| | | this.state.exprAllowed = tokenComesBeforeExpression(type); |
| | | this.state.canStartJSXElement = tokenComesBeforeExpression(type); |
| | | } |
| | | } |
| | | |
| | |
| | | return new TypeScriptScope(flags); |
| | | } |
| | | |
| | | declareName(name, bindingType, pos) { |
| | | declareName(name, bindingType, loc) { |
| | | const scope = this.currentScope(); |
| | | |
| | | if (bindingType & BIND_FLAGS_TS_EXPORT_ONLY) { |
| | |
| | | |
| | | if (bindingType & BIND_KIND_TYPE) { |
| | | if (!(bindingType & BIND_KIND_VALUE)) { |
| | | this.checkRedeclarationInScope(scope, name, bindingType, pos); |
| | | this.checkRedeclarationInScope(scope, name, bindingType, loc); |
| | | this.maybeExportDefined(scope, name); |
| | | } |
| | | |
| | |
| | | |
| | | } |
| | | |
| | | const getOwn$1 = (object, key) => Object.hasOwnProperty.call(object, key) && object[key]; |
| | | |
| | | function nonNull(x) { |
| | | if (x == null) { |
| | | throw new Error(`Unexpected ${x} value.`); |
| | |
| | | } |
| | | } |
| | | |
| | | const TSErrors = makeErrorTemplates({ |
| | | AbstractMethodHasImplementation: "Method '%0' cannot have an implementation because it is marked abstract.", |
| | | AbstractPropertyHasInitializer: "Property '%0' cannot have an initializer because it is marked abstract.", |
| | | AccesorCannotDeclareThisParameter: "'get' and 'set' accessors cannot declare 'this' parameters.", |
| | | AccesorCannotHaveTypeParameters: "An accessor cannot have type parameters.", |
| | | ClassMethodHasDeclare: "Class methods cannot have the 'declare' modifier.", |
| | | ClassMethodHasReadonly: "Class methods cannot have the 'readonly' modifier.", |
| | | ConstructorHasTypeParameters: "Type parameters cannot appear on a constructor declaration.", |
| | | DeclareAccessor: "'declare' is not allowed in %0ters.", |
| | | DeclareClassFieldHasInitializer: "Initializers are not allowed in ambient contexts.", |
| | | DeclareFunctionHasImplementation: "An implementation cannot be declared in ambient contexts.", |
| | | DuplicateAccessibilityModifier: "Accessibility modifier already seen.", |
| | | DuplicateModifier: "Duplicate modifier: '%0'.", |
| | | EmptyHeritageClauseType: "'%0' list cannot be empty.", |
| | | EmptyTypeArguments: "Type argument list cannot be empty.", |
| | | EmptyTypeParameters: "Type parameter list cannot be empty.", |
| | | ExpectedAmbientAfterExportDeclare: "'export declare' must be followed by an ambient declaration.", |
| | | ImportAliasHasImportType: "An import alias can not use 'import type'.", |
| | | IncompatibleModifiers: "'%0' modifier cannot be used with '%1' modifier.", |
| | | IndexSignatureHasAbstract: "Index signatures cannot have the 'abstract' modifier.", |
| | | IndexSignatureHasAccessibility: "Index signatures cannot have an accessibility modifier ('%0').", |
| | | IndexSignatureHasDeclare: "Index signatures cannot have the 'declare' modifier.", |
| | | IndexSignatureHasOverride: "'override' modifier cannot appear on an index signature.", |
| | | IndexSignatureHasStatic: "Index signatures cannot have the 'static' modifier.", |
| | | InvalidModifierOnTypeMember: "'%0' modifier cannot appear on a type member.", |
| | | InvalidModifiersOrder: "'%0' modifier must precede '%1' modifier.", |
| | | InvalidTupleMemberLabel: "Tuple members must be labeled with a simple identifier.", |
| | | MissingInterfaceName: "'interface' declarations must be followed by an identifier.", |
| | | MixedLabeledAndUnlabeledElements: "Tuple members must all have names or all not have names.", |
| | | NonAbstractClassHasAbstractMethod: "Abstract methods can only appear within an abstract class.", |
| | | NonClassMethodPropertyHasAbstractModifer: "'abstract' modifier can only appear on a class, method, or property declaration.", |
| | | OptionalTypeBeforeRequired: "A required element cannot follow an optional element.", |
| | | OverrideNotInSubClass: "This member cannot have an 'override' modifier because its containing class does not extend another class.", |
| | | PatternIsOptional: "A binding pattern parameter cannot be optional in an implementation signature.", |
| | | PrivateElementHasAbstract: "Private elements cannot have the 'abstract' modifier.", |
| | | PrivateElementHasAccessibility: "Private elements cannot have an accessibility modifier ('%0').", |
| | | ReadonlyForMethodSignature: "'readonly' modifier can only appear on a property declaration or index signature.", |
| | | SetAccesorCannotHaveOptionalParameter: "A 'set' accessor cannot have an optional parameter.", |
| | | SetAccesorCannotHaveRestParameter: "A 'set' accessor cannot have rest parameter.", |
| | | SetAccesorCannotHaveReturnType: "A 'set' accessor cannot have a return type annotation.", |
| | | StaticBlockCannotHaveModifier: "Static class blocks cannot have any modifier.", |
| | | TypeAnnotationAfterAssign: "Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`.", |
| | | TypeImportCannotSpecifyDefaultAndNamed: "A type-only import can specify a default import or named bindings, but not both.", |
| | | UnexpectedParameterModifier: "A parameter property is only allowed in a constructor implementation.", |
| | | UnexpectedReadonly: "'readonly' type modifier is only permitted on array and tuple literal types.", |
| | | UnexpectedTypeAnnotation: "Did not expect a type annotation here.", |
| | | UnexpectedTypeCastInParameter: "Unexpected type cast in parameter position.", |
| | | UnsupportedImportTypeArgument: "Argument in a type import must be a string literal.", |
| | | UnsupportedParameterPropertyKind: "A parameter property may not be declared using a binding pattern.", |
| | | UnsupportedSignatureParameterKind: "Name in a signature must be an Identifier, ObjectPattern or ArrayPattern, instead got %0." |
| | | }, ErrorCodes.SyntaxError, "typescript"); |
| | | const TSErrors = ParseErrorEnum`typescript`(_ => ({ |
| | | AbstractMethodHasImplementation: _(({ |
| | | methodName |
| | | }) => `Method '${methodName}' cannot have an implementation because it is marked abstract.`), |
| | | AbstractPropertyHasInitializer: _(({ |
| | | propertyName |
| | | }) => `Property '${propertyName}' cannot have an initializer because it is marked abstract.`), |
| | | AccesorCannotDeclareThisParameter: _("'get' and 'set' accessors cannot declare 'this' parameters."), |
| | | AccesorCannotHaveTypeParameters: _("An accessor cannot have type parameters."), |
| | | CannotFindName: _(({ |
| | | name |
| | | }) => `Cannot find name '${name}'.`), |
| | | ClassMethodHasDeclare: _("Class methods cannot have the 'declare' modifier."), |
| | | ClassMethodHasReadonly: _("Class methods cannot have the 'readonly' modifier."), |
| | | ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference: _("A 'const' initializer in an ambient context must be a string or numeric literal or literal enum reference."), |
| | | ConstructorHasTypeParameters: _("Type parameters cannot appear on a constructor declaration."), |
| | | DeclareAccessor: _(({ |
| | | kind |
| | | }) => `'declare' is not allowed in ${kind}ters.`), |
| | | DeclareClassFieldHasInitializer: _("Initializers are not allowed in ambient contexts."), |
| | | DeclareFunctionHasImplementation: _("An implementation cannot be declared in ambient contexts."), |
| | | DuplicateAccessibilityModifier: _(({ |
| | | modifier |
| | | }) => `Accessibility modifier already seen.`), |
| | | DuplicateModifier: _(({ |
| | | modifier |
| | | }) => `Duplicate modifier: '${modifier}'.`), |
| | | EmptyHeritageClauseType: _(({ |
| | | token |
| | | }) => `'${token}' list cannot be empty.`), |
| | | EmptyTypeArguments: _("Type argument list cannot be empty."), |
| | | EmptyTypeParameters: _("Type parameter list cannot be empty."), |
| | | ExpectedAmbientAfterExportDeclare: _("'export declare' must be followed by an ambient declaration."), |
| | | ImportAliasHasImportType: _("An import alias can not use 'import type'."), |
| | | IncompatibleModifiers: _(({ |
| | | modifiers |
| | | }) => `'${modifiers[0]}' modifier cannot be used with '${modifiers[1]}' modifier.`), |
| | | IndexSignatureHasAbstract: _("Index signatures cannot have the 'abstract' modifier."), |
| | | IndexSignatureHasAccessibility: _(({ |
| | | modifier |
| | | }) => `Index signatures cannot have an accessibility modifier ('${modifier}').`), |
| | | IndexSignatureHasDeclare: _("Index signatures cannot have the 'declare' modifier."), |
| | | IndexSignatureHasOverride: _("'override' modifier cannot appear on an index signature."), |
| | | IndexSignatureHasStatic: _("Index signatures cannot have the 'static' modifier."), |
| | | InitializerNotAllowedInAmbientContext: _("Initializers are not allowed in ambient contexts."), |
| | | InvalidModifierOnTypeMember: _(({ |
| | | modifier |
| | | }) => `'${modifier}' modifier cannot appear on a type member.`), |
| | | InvalidModifiersOrder: _(({ |
| | | orderedModifiers |
| | | }) => `'${orderedModifiers[0]}' modifier must precede '${orderedModifiers[1]}' modifier.`), |
| | | InvalidTupleMemberLabel: _("Tuple members must be labeled with a simple identifier."), |
| | | MissingInterfaceName: _("'interface' declarations must be followed by an identifier."), |
| | | MixedLabeledAndUnlabeledElements: _("Tuple members must all have names or all not have names."), |
| | | NonAbstractClassHasAbstractMethod: _("Abstract methods can only appear within an abstract class."), |
| | | NonClassMethodPropertyHasAbstractModifer: _("'abstract' modifier can only appear on a class, method, or property declaration."), |
| | | OptionalTypeBeforeRequired: _("A required element cannot follow an optional element."), |
| | | OverrideNotInSubClass: _("This member cannot have an 'override' modifier because its containing class does not extend another class."), |
| | | PatternIsOptional: _("A binding pattern parameter cannot be optional in an implementation signature."), |
| | | PrivateElementHasAbstract: _("Private elements cannot have the 'abstract' modifier."), |
| | | PrivateElementHasAccessibility: _(({ |
| | | modifier |
| | | }) => `Private elements cannot have an accessibility modifier ('${modifier}').`), |
| | | ReadonlyForMethodSignature: _("'readonly' modifier can only appear on a property declaration or index signature."), |
| | | ReservedArrowTypeParam: _("This syntax is reserved in files with the .mts or .cts extension. Add a trailing comma, as in `<T,>() => ...`."), |
| | | ReservedTypeAssertion: _("This syntax is reserved in files with the .mts or .cts extension. Use an `as` expression instead."), |
| | | SetAccesorCannotHaveOptionalParameter: _("A 'set' accessor cannot have an optional parameter."), |
| | | SetAccesorCannotHaveRestParameter: _("A 'set' accessor cannot have rest parameter."), |
| | | SetAccesorCannotHaveReturnType: _("A 'set' accessor cannot have a return type annotation."), |
| | | SingleTypeParameterWithoutTrailingComma: _(({ |
| | | typeParameterName |
| | | }) => `Single type parameter ${typeParameterName} should have a trailing comma. Example usage: <${typeParameterName},>.`), |
| | | StaticBlockCannotHaveModifier: _("Static class blocks cannot have any modifier."), |
| | | TypeAnnotationAfterAssign: _("Type annotations must come before default assignments, e.g. instead of `age = 25: number` use `age: number = 25`."), |
| | | TypeImportCannotSpecifyDefaultAndNamed: _("A type-only import can specify a default import or named bindings, but not both."), |
| | | TypeModifierIsUsedInTypeExports: _("The 'type' modifier cannot be used on a named export when 'export type' is used on its export statement."), |
| | | TypeModifierIsUsedInTypeImports: _("The 'type' modifier cannot be used on a named import when 'import type' is used on its import statement."), |
| | | UnexpectedParameterModifier: _("A parameter property is only allowed in a constructor implementation."), |
| | | UnexpectedReadonly: _("'readonly' type modifier is only permitted on array and tuple literal types."), |
| | | UnexpectedTypeAnnotation: _("Did not expect a type annotation here."), |
| | | UnexpectedTypeCastInParameter: _("Unexpected type cast in parameter position."), |
| | | UnsupportedImportTypeArgument: _("Argument in a type import must be a string literal."), |
| | | UnsupportedParameterPropertyKind: _("A parameter property may not be declared using a binding pattern."), |
| | | UnsupportedSignatureParameterKind: _(({ |
| | | type |
| | | }) => `Name in a signature must be an Identifier, ObjectPattern or ArrayPattern, instead got ${type}.`) |
| | | })); |
| | | |
| | | function keywordTypeFromName(value) { |
| | | switch (value) { |
| | |
| | | } |
| | | |
| | | tsTokenCanFollowModifier() { |
| | | return (this.match(0) || this.match(5) || this.match(46) || this.match(21) || this.match(125) || this.isLiteralPropertyName()) && !this.hasPrecedingLineBreak(); |
| | | return (this.match(0) || this.match(5) || this.match(55) || this.match(21) || this.match(134) || this.isLiteralPropertyName()) && !this.hasPrecedingLineBreak(); |
| | | } |
| | | |
| | | tsNextTokenCanFollowModifier() { |
| | |
| | | return undefined; |
| | | } |
| | | |
| | | tsParseModifiers(modified, allowedModifiers, disallowedModifiers, errorTemplate, stopOnStartOfClassStaticBlock) { |
| | | const enforceOrder = (pos, modifier, before, after) => { |
| | | tsParseModifiers({ |
| | | modified, |
| | | allowedModifiers, |
| | | disallowedModifiers, |
| | | stopOnStartOfClassStaticBlock |
| | | }) { |
| | | const enforceOrder = (loc, modifier, before, after) => { |
| | | if (modifier === before && modified[after]) { |
| | | this.raise(pos, TSErrors.InvalidModifiersOrder, before, after); |
| | | this.raise(TSErrors.InvalidModifiersOrder, { |
| | | at: loc, |
| | | orderedModifiers: [before, after] |
| | | }); |
| | | } |
| | | }; |
| | | |
| | | const incompatible = (pos, modifier, mod1, mod2) => { |
| | | const incompatible = (loc, modifier, mod1, mod2) => { |
| | | if (modified[mod1] && modifier === mod2 || modified[mod2] && modifier === mod1) { |
| | | this.raise(pos, TSErrors.IncompatibleModifiers, mod1, mod2); |
| | | this.raise(TSErrors.IncompatibleModifiers, { |
| | | at: loc, |
| | | modifiers: [mod1, mod2] |
| | | }); |
| | | } |
| | | }; |
| | | |
| | | for (;;) { |
| | | const startPos = this.state.start; |
| | | const { |
| | | startLoc |
| | | } = this.state; |
| | | const modifier = this.tsParseModifier(allowedModifiers.concat(disallowedModifiers != null ? disallowedModifiers : []), stopOnStartOfClassStaticBlock); |
| | | if (!modifier) break; |
| | | |
| | | if (tsIsAccessModifier(modifier)) { |
| | | if (modified.accessibility) { |
| | | this.raise(startPos, TSErrors.DuplicateAccessibilityModifier); |
| | | this.raise(TSErrors.DuplicateAccessibilityModifier, { |
| | | at: startLoc, |
| | | modifier |
| | | }); |
| | | } else { |
| | | enforceOrder(startPos, modifier, modifier, "override"); |
| | | enforceOrder(startPos, modifier, modifier, "static"); |
| | | enforceOrder(startPos, modifier, modifier, "readonly"); |
| | | enforceOrder(startLoc, modifier, modifier, "override"); |
| | | enforceOrder(startLoc, modifier, modifier, "static"); |
| | | enforceOrder(startLoc, modifier, modifier, "readonly"); |
| | | modified.accessibility = modifier; |
| | | } |
| | | } else { |
| | | if (Object.hasOwnProperty.call(modified, modifier)) { |
| | | this.raise(startPos, TSErrors.DuplicateModifier, modifier); |
| | | this.raise(TSErrors.DuplicateModifier, { |
| | | at: startLoc, |
| | | modifier |
| | | }); |
| | | } else { |
| | | enforceOrder(startPos, modifier, "static", "readonly"); |
| | | enforceOrder(startPos, modifier, "static", "override"); |
| | | enforceOrder(startPos, modifier, "override", "readonly"); |
| | | enforceOrder(startPos, modifier, "abstract", "override"); |
| | | incompatible(startPos, modifier, "declare", "override"); |
| | | incompatible(startPos, modifier, "static", "abstract"); |
| | | enforceOrder(startLoc, modifier, "static", "readonly"); |
| | | enforceOrder(startLoc, modifier, "static", "override"); |
| | | enforceOrder(startLoc, modifier, "override", "readonly"); |
| | | enforceOrder(startLoc, modifier, "abstract", "override"); |
| | | incompatible(startLoc, modifier, "declare", "override"); |
| | | incompatible(startLoc, modifier, "static", "abstract"); |
| | | } |
| | | |
| | | modified[modifier] = true; |
| | | } |
| | | |
| | | if (disallowedModifiers != null && disallowedModifiers.includes(modifier)) { |
| | | this.raise(startPos, errorTemplate, modifier); |
| | | this.raise(TSErrors.InvalidModifierOnTypeMember, { |
| | | at: startLoc, |
| | | modifier |
| | | }); |
| | | } |
| | | } |
| | | } |
| | |
| | | return this.match(3); |
| | | |
| | | case "TypeParametersOrArguments": |
| | | return this.isRelational(">"); |
| | | return this.match(48); |
| | | } |
| | | |
| | | throw new Error("Unreachable"); |
| | |
| | | return result; |
| | | } |
| | | |
| | | tsParseDelimitedList(kind, parseElement) { |
| | | return nonNull(this.tsParseDelimitedListWorker(kind, parseElement, true)); |
| | | tsParseDelimitedList(kind, parseElement, refTrailingCommaPos) { |
| | | return nonNull(this.tsParseDelimitedListWorker(kind, parseElement, true, refTrailingCommaPos)); |
| | | } |
| | | |
| | | tsParseDelimitedListWorker(kind, parseElement, expectSuccess) { |
| | | tsParseDelimitedListWorker(kind, parseElement, expectSuccess, refTrailingCommaPos) { |
| | | const result = []; |
| | | let trailingCommaPos = -1; |
| | | |
| | | for (;;) { |
| | | if (this.tsIsListTerminator(kind)) { |
| | | break; |
| | | } |
| | | |
| | | trailingCommaPos = -1; |
| | | const element = parseElement(); |
| | | |
| | | if (element == null) { |
| | |
| | | result.push(element); |
| | | |
| | | if (this.eat(12)) { |
| | | trailingCommaPos = this.state.lastTokStart; |
| | | continue; |
| | | } |
| | | |
| | |
| | | return undefined; |
| | | } |
| | | |
| | | if (refTrailingCommaPos) { |
| | | refTrailingCommaPos.value = trailingCommaPos; |
| | | } |
| | | |
| | | return result; |
| | | } |
| | | |
| | | tsParseBracketedList(kind, parseElement, bracket, skipFirstToken) { |
| | | tsParseBracketedList(kind, parseElement, bracket, skipFirstToken, refTrailingCommaPos) { |
| | | if (!skipFirstToken) { |
| | | if (bracket) { |
| | | this.expect(0); |
| | | } else { |
| | | this.expectRelational("<"); |
| | | this.expect(47); |
| | | } |
| | | } |
| | | |
| | | const result = this.tsParseDelimitedList(kind, parseElement); |
| | | const result = this.tsParseDelimitedList(kind, parseElement, refTrailingCommaPos); |
| | | |
| | | if (bracket) { |
| | | this.expect(3); |
| | | } else { |
| | | this.expectRelational(">"); |
| | | this.expect(48); |
| | | } |
| | | |
| | | return result; |
| | |
| | | |
| | | tsParseImportType() { |
| | | const node = this.startNode(); |
| | | this.expect(74); |
| | | this.expect(83); |
| | | this.expect(10); |
| | | |
| | | if (!this.match(120)) { |
| | | this.raise(this.state.start, TSErrors.UnsupportedImportTypeArgument); |
| | | if (!this.match(129)) { |
| | | this.raise(TSErrors.UnsupportedImportTypeArgument, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | node.argument = this.parseExprAtom(); |
| | | this.expect(11); |
| | | |
| | | if (this.eat(16)) { |
| | | node.qualifier = this.tsParseEntityName(true); |
| | | node.qualifier = this.tsParseEntityName(); |
| | | } |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.tsParseTypeArguments(); |
| | | } |
| | | |
| | | return this.finishNode(node, "TSImportType"); |
| | | } |
| | | |
| | | tsParseEntityName(allowReservedWords) { |
| | | let entity = this.parseIdentifier(); |
| | | tsParseEntityName(allowReservedWords = true) { |
| | | let entity = this.parseIdentifier(allowReservedWords); |
| | | |
| | | while (this.eat(16)) { |
| | | const node = this.startNodeAtNode(entity); |
| | |
| | | |
| | | tsParseTypeReference() { |
| | | const node = this.startNode(); |
| | | node.typeName = this.tsParseEntityName(false); |
| | | node.typeName = this.tsParseEntityName(); |
| | | |
| | | if (!this.hasPrecedingLineBreak() && this.isRelational("<")) { |
| | | if (!this.hasPrecedingLineBreak() && this.match(47)) { |
| | | node.typeParameters = this.tsParseTypeArguments(); |
| | | } |
| | | |
| | |
| | | |
| | | tsParseTypeQuery() { |
| | | const node = this.startNode(); |
| | | this.expect(78); |
| | | this.expect(87); |
| | | |
| | | if (this.match(74)) { |
| | | if (this.match(83)) { |
| | | node.exprName = this.tsParseImportType(); |
| | | } else { |
| | | node.exprName = this.tsParseEntityName(true); |
| | | node.exprName = this.tsParseEntityName(); |
| | | } |
| | | |
| | | return this.finishNode(node, "TSTypeQuery"); |
| | |
| | | tsParseTypeParameter() { |
| | | const node = this.startNode(); |
| | | node.name = this.tsParseTypeParameterName(); |
| | | node.constraint = this.tsEatThenParseType(72); |
| | | node.default = this.tsEatThenParseType(27); |
| | | node.constraint = this.tsEatThenParseType(81); |
| | | node.default = this.tsEatThenParseType(29); |
| | | return this.finishNode(node, "TSTypeParameter"); |
| | | } |
| | | |
| | | tsTryParseTypeParameters() { |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | return this.tsParseTypeParameters(); |
| | | } |
| | | } |
| | |
| | | tsParseTypeParameters() { |
| | | const node = this.startNode(); |
| | | |
| | | if (this.isRelational("<") || this.match(129)) { |
| | | if (this.match(47) || this.match(138)) { |
| | | this.next(); |
| | | } else { |
| | | this.unexpected(); |
| | | } |
| | | |
| | | node.params = this.tsParseBracketedList("TypeParametersOrArguments", this.tsParseTypeParameter.bind(this), false, true); |
| | | const refTrailingCommaPos = { |
| | | value: -1 |
| | | }; |
| | | node.params = this.tsParseBracketedList("TypeParametersOrArguments", this.tsParseTypeParameter.bind(this), false, true, refTrailingCommaPos); |
| | | |
| | | if (node.params.length === 0) { |
| | | this.raise(node.start, TSErrors.EmptyTypeParameters); |
| | | this.raise(TSErrors.EmptyTypeParameters, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | if (refTrailingCommaPos.value !== -1) { |
| | | this.addExtra(node, "trailingComma", refTrailingCommaPos.value); |
| | | } |
| | | |
| | | return this.finishNode(node, "TSTypeParameterDeclaration"); |
| | | } |
| | | |
| | | tsTryNextParseConstantContext() { |
| | | if (this.lookahead().type === 66) { |
| | | this.next(); |
| | | return this.tsParseTypeReference(); |
| | | if (this.lookahead().type !== 75) return null; |
| | | this.next(); |
| | | const typeReference = this.tsParseTypeReference(); |
| | | |
| | | if (typeReference.typeParameters) { |
| | | this.raise(TSErrors.CannotFindName, { |
| | | at: typeReference.typeName, |
| | | name: "const" |
| | | }); |
| | | } |
| | | |
| | | return null; |
| | | return typeReference; |
| | | } |
| | | |
| | | tsFillSignature(returnToken, signature) { |
| | | const returnTokenRequired = returnToken === 19; |
| | | const paramsKey = "parameters"; |
| | | const returnTypeKey = "typeAnnotation"; |
| | | signature.typeParameters = this.tsTryParseTypeParameters(); |
| | | this.expect(10); |
| | | signature.parameters = this.tsParseBindingListForSignature(); |
| | | signature[paramsKey] = this.tsParseBindingListForSignature(); |
| | | |
| | | if (returnTokenRequired) { |
| | | signature.typeAnnotation = this.tsParseTypeOrTypePredicateAnnotation(returnToken); |
| | | signature[returnTypeKey] = this.tsParseTypeOrTypePredicateAnnotation(returnToken); |
| | | } else if (this.match(returnToken)) { |
| | | signature.typeAnnotation = this.tsParseTypeOrTypePredicateAnnotation(returnToken); |
| | | signature[returnTypeKey] = this.tsParseTypeOrTypePredicateAnnotation(returnToken); |
| | | } |
| | | } |
| | | |
| | | tsParseBindingListForSignature() { |
| | | return this.parseBindingList(11, 41).map(pattern => { |
| | | if (pattern.type !== "Identifier" && pattern.type !== "RestElement" && pattern.type !== "ObjectPattern" && pattern.type !== "ArrayPattern") { |
| | | this.raise(pattern.start, TSErrors.UnsupportedSignatureParameterKind, pattern.type); |
| | | this.raise(TSErrors.UnsupportedSignatureParameterKind, { |
| | | at: pattern, |
| | | type: pattern.type |
| | | }); |
| | | } |
| | | |
| | | return pattern; |
| | |
| | | if (this.eat(17)) node.optional = true; |
| | | const nodeAny = node; |
| | | |
| | | if (this.match(10) || this.isRelational("<")) { |
| | | if (this.match(10) || this.match(47)) { |
| | | if (readonly) { |
| | | this.raise(node.start, TSErrors.ReadonlyForMethodSignature); |
| | | this.raise(TSErrors.ReadonlyForMethodSignature, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | const method = nodeAny; |
| | | |
| | | if (method.kind && this.isRelational("<")) { |
| | | this.raise(this.state.pos, TSErrors.AccesorCannotHaveTypeParameters); |
| | | if (method.kind && this.match(47)) { |
| | | this.raise(TSErrors.AccesorCannotHaveTypeParameters, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.tsFillSignature(14, method); |
| | | this.tsParseTypeMemberSemicolon(); |
| | | const paramsKey = "parameters"; |
| | | const returnTypeKey = "typeAnnotation"; |
| | | |
| | | if (method.kind === "get") { |
| | | if (method.parameters.length > 0) { |
| | | this.raise(this.state.pos, ErrorMessages.BadGetterArity); |
| | | if (method[paramsKey].length > 0) { |
| | | this.raise(Errors.BadGetterArity, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | |
| | | if (this.isThisParam(method.parameters[0])) { |
| | | this.raise(this.state.pos, TSErrors.AccesorCannotDeclareThisParameter); |
| | | if (this.isThisParam(method[paramsKey][0])) { |
| | | this.raise(TSErrors.AccesorCannotDeclareThisParameter, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | } |
| | | } else if (method.kind === "set") { |
| | | if (method.parameters.length !== 1) { |
| | | this.raise(this.state.pos, ErrorMessages.BadSetterArity); |
| | | if (method[paramsKey].length !== 1) { |
| | | this.raise(Errors.BadSetterArity, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } else { |
| | | const firstParameter = method.parameters[0]; |
| | | const firstParameter = method[paramsKey][0]; |
| | | |
| | | if (this.isThisParam(firstParameter)) { |
| | | this.raise(this.state.pos, TSErrors.AccesorCannotDeclareThisParameter); |
| | | this.raise(TSErrors.AccesorCannotDeclareThisParameter, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | if (firstParameter.type === "Identifier" && firstParameter.optional) { |
| | | this.raise(this.state.pos, TSErrors.SetAccesorCannotHaveOptionalParameter); |
| | | this.raise(TSErrors.SetAccesorCannotHaveOptionalParameter, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | if (firstParameter.type === "RestElement") { |
| | | this.raise(this.state.pos, TSErrors.SetAccesorCannotHaveRestParameter); |
| | | this.raise(TSErrors.SetAccesorCannotHaveRestParameter, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | } |
| | | |
| | | if (method.typeAnnotation) { |
| | | this.raise(method.typeAnnotation.start, TSErrors.SetAccesorCannotHaveReturnType); |
| | | if (method[returnTypeKey]) { |
| | | this.raise(TSErrors.SetAccesorCannotHaveReturnType, { |
| | | at: method[returnTypeKey] |
| | | }); |
| | | } |
| | | } else { |
| | | method.kind = "method"; |
| | |
| | | tsParseTypeMember() { |
| | | const node = this.startNode(); |
| | | |
| | | if (this.match(10) || this.isRelational("<")) { |
| | | if (this.match(10) || this.match(47)) { |
| | | return this.tsParseSignatureMember("TSCallSignatureDeclaration", node); |
| | | } |
| | | |
| | | if (this.match(68)) { |
| | | if (this.match(77)) { |
| | | const id = this.startNode(); |
| | | this.next(); |
| | | |
| | | if (this.match(10) || this.isRelational("<")) { |
| | | if (this.match(10) || this.match(47)) { |
| | | return this.tsParseSignatureMember("TSConstructSignatureDeclaration", node); |
| | | } else { |
| | | node.key = this.createIdentifier(id, "new"); |
| | |
| | | } |
| | | } |
| | | |
| | | this.tsParseModifiers(node, ["readonly"], ["declare", "abstract", "private", "protected", "public", "static", "override"], TSErrors.InvalidModifierOnTypeMember); |
| | | this.tsParseModifiers({ |
| | | modified: node, |
| | | allowedModifiers: ["readonly"], |
| | | disallowedModifiers: ["declare", "abstract", "private", "protected", "public", "static", "override"] |
| | | }); |
| | | const idx = this.tsTryParseIndexSignature(node); |
| | | |
| | | if (idx) { |
| | | return idx; |
| | | } |
| | | |
| | | this.parsePropertyName(node, false); |
| | | this.parsePropertyName(node); |
| | | |
| | | if (!node.computed && node.key.type === "Identifier" && (node.key.name === "get" || node.key.name === "set") && this.tsTokenCanFollowModifier()) { |
| | | node.kind = node.key.name; |
| | | this.parsePropertyName(node, false); |
| | | this.parsePropertyName(node); |
| | | } |
| | | |
| | | return this.tsParsePropertyOrMethodSignature(node, !!node.readonly); |
| | |
| | | tsIsStartOfMappedType() { |
| | | this.next(); |
| | | |
| | | if (this.eat(44)) { |
| | | return this.isContextual(109); |
| | | if (this.eat(53)) { |
| | | return this.isContextual(118); |
| | | } |
| | | |
| | | if (this.isContextual(109)) { |
| | | if (this.isContextual(118)) { |
| | | this.next(); |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | this.next(); |
| | | return this.match(49); |
| | | return this.match(58); |
| | | } |
| | | |
| | | tsParseMappedTypeParameter() { |
| | | const node = this.startNode(); |
| | | node.name = this.tsParseTypeParameterName(); |
| | | node.constraint = this.tsExpectThenParseType(49); |
| | | node.constraint = this.tsExpectThenParseType(58); |
| | | return this.finishNode(node, "TSTypeParameter"); |
| | | } |
| | | |
| | |
| | | const node = this.startNode(); |
| | | this.expect(5); |
| | | |
| | | if (this.match(44)) { |
| | | if (this.match(53)) { |
| | | node.readonly = this.state.value; |
| | | this.next(); |
| | | this.expectContextual(109); |
| | | } else if (this.eatContextual(109)) { |
| | | this.expectContextual(118); |
| | | } else if (this.eatContextual(118)) { |
| | | node.readonly = true; |
| | | } |
| | | |
| | | this.expect(0); |
| | | node.typeParameter = this.tsParseMappedTypeParameter(); |
| | | node.nameType = this.eatContextual(84) ? this.tsParseType() : null; |
| | | node.nameType = this.eatContextual(93) ? this.tsParseType() : null; |
| | | this.expect(3); |
| | | |
| | | if (this.match(44)) { |
| | | if (this.match(53)) { |
| | | node.optional = this.state.value; |
| | | this.next(); |
| | | this.expect(17); |
| | |
| | | } = elementNode; |
| | | |
| | | if (seenOptionalElement && type !== "TSRestType" && type !== "TSOptionalType" && !(type === "TSNamedTupleMember" && elementNode.optional)) { |
| | | this.raise(elementNode.start, TSErrors.OptionalTypeBeforeRequired); |
| | | this.raise(TSErrors.OptionalTypeBeforeRequired, { |
| | | at: elementNode |
| | | }); |
| | | } |
| | | |
| | | seenOptionalElement = seenOptionalElement || type === "TSNamedTupleMember" && elementNode.optional || type === "TSOptionalType"; |
| | |
| | | labeledElements = (_labeledElements = labeledElements) != null ? _labeledElements : isLabeled; |
| | | |
| | | if (labeledElements !== isLabeled) { |
| | | this.raise(elementNode.start, TSErrors.MixedLabeledAndUnlabeledElements); |
| | | this.raise(TSErrors.MixedLabeledAndUnlabeledElements, { |
| | | at: elementNode |
| | | }); |
| | | } |
| | | }); |
| | | return this.finishNode(node, "TSTupleType"); |
| | |
| | | if (type.type === "TSTypeReference" && !type.typeParameters && type.typeName.type === "Identifier") { |
| | | labeledNode.label = type.typeName; |
| | | } else { |
| | | this.raise(type.start, TSErrors.InvalidTupleMemberLabel); |
| | | this.raise(TSErrors.InvalidTupleMemberLabel, { |
| | | at: type |
| | | }); |
| | | labeledNode.label = type; |
| | | } |
| | | |
| | |
| | | |
| | | node.literal = (() => { |
| | | switch (this.state.type) { |
| | | case 121: |
| | | case 122: |
| | | case 120: |
| | | case 76: |
| | | case 77: |
| | | case 130: |
| | | case 131: |
| | | case 129: |
| | | case 85: |
| | | case 86: |
| | | return this.parseExprAtom(); |
| | | |
| | | default: |
| | |
| | | tsParseThisTypeOrThisTypePredicate() { |
| | | const thisKeyword = this.tsParseThisTypeNode(); |
| | | |
| | | if (this.isContextual(104) && !this.hasPrecedingLineBreak()) { |
| | | if (this.isContextual(113) && !this.hasPrecedingLineBreak()) { |
| | | return this.tsParseThisTypePredicate(thisKeyword); |
| | | } else { |
| | | return thisKeyword; |
| | |
| | | |
| | | tsParseNonArrayType() { |
| | | switch (this.state.type) { |
| | | case 120: |
| | | case 121: |
| | | case 122: |
| | | case 76: |
| | | case 77: |
| | | case 129: |
| | | case 130: |
| | | case 131: |
| | | case 85: |
| | | case 86: |
| | | return this.tsParseLiteralTypeNode(); |
| | | |
| | | case 44: |
| | | case 53: |
| | | if (this.state.value === "-") { |
| | | const node = this.startNode(); |
| | | const nextToken = this.lookahead(); |
| | | |
| | | if (nextToken.type !== 121 && nextToken.type !== 122) { |
| | | if (nextToken.type !== 130 && nextToken.type !== 131) { |
| | | throw this.unexpected(); |
| | | } |
| | | |
| | |
| | | |
| | | break; |
| | | |
| | | case 69: |
| | | case 78: |
| | | return this.tsParseThisTypeOrThisTypePredicate(); |
| | | |
| | | case 78: |
| | | case 87: |
| | | return this.tsParseTypeQuery(); |
| | | |
| | | case 74: |
| | | case 83: |
| | | return this.tsParseImportType(); |
| | | |
| | | case 5: |
| | |
| | | case 10: |
| | | return this.tsParseParenthesizedType(); |
| | | |
| | | case 22: |
| | | case 25: |
| | | case 24: |
| | | return this.tsParseTemplateLiteralType(); |
| | | |
| | | default: |
| | |
| | | type |
| | | } = this.state; |
| | | |
| | | if (tokenIsIdentifier(type) || type === 79 || type === 75) { |
| | | const nodeType = type === 79 ? "TSVoidKeyword" : type === 75 ? "TSNullKeyword" : keywordTypeFromName(this.state.value); |
| | | if (tokenIsIdentifier(type) || type === 88 || type === 84) { |
| | | const nodeType = type === 88 ? "TSVoidKeyword" : type === 84 ? "TSNullKeyword" : keywordTypeFromName(this.state.value); |
| | | |
| | | if (nodeType !== undefined && this.lookaheadCharCode() !== 46) { |
| | | const node = this.startNode(); |
| | |
| | | return; |
| | | |
| | | default: |
| | | this.raise(node.start, TSErrors.UnexpectedReadonly); |
| | | this.raise(TSErrors.UnexpectedReadonly, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | | tsParseInferType() { |
| | | const node = this.startNode(); |
| | | this.expectContextual(103); |
| | | this.expectContextual(112); |
| | | const typeParameter = this.startNode(); |
| | | typeParameter.name = this.tsParseTypeParameterName(); |
| | | node.typeParameter = this.finishNode(typeParameter, "TSTypeParameter"); |
| | |
| | | |
| | | tsParseTypeOperatorOrHigher() { |
| | | const isTypeOperator = tokenIsTSTypeOperator(this.state.type) && !this.state.containsEsc; |
| | | return isTypeOperator ? this.tsParseTypeOperator() : this.isContextual(103) ? this.tsParseInferType() : this.tsParseArrayTypeOrHigher(); |
| | | return isTypeOperator ? this.tsParseTypeOperator() : this.isContextual(112) ? this.tsParseInferType() : this.tsParseArrayTypeOrHigher(); |
| | | } |
| | | |
| | | tsParseUnionOrIntersectionType(kind, parseConstituentType, operator) { |
| | |
| | | } |
| | | |
| | | tsParseIntersectionTypeOrHigher() { |
| | | return this.tsParseUnionOrIntersectionType("TSIntersectionType", this.tsParseTypeOperatorOrHigher.bind(this), 40); |
| | | return this.tsParseUnionOrIntersectionType("TSIntersectionType", this.tsParseTypeOperatorOrHigher.bind(this), 45); |
| | | } |
| | | |
| | | tsParseUnionTypeOrHigher() { |
| | | return this.tsParseUnionOrIntersectionType("TSUnionType", this.tsParseIntersectionTypeOrHigher.bind(this), 38); |
| | | return this.tsParseUnionOrIntersectionType("TSUnionType", this.tsParseIntersectionTypeOrHigher.bind(this), 43); |
| | | } |
| | | |
| | | tsIsStartOfFunctionType() { |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | return true; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | tsSkipParameterStart() { |
| | | if (tokenIsIdentifier(this.state.type) || this.match(69)) { |
| | | if (tokenIsIdentifier(this.state.type) || this.match(78)) { |
| | | this.next(); |
| | | return true; |
| | | } |
| | | |
| | | if (this.match(5)) { |
| | | let braceStackCounter = 1; |
| | | this.next(); |
| | | const { |
| | | errors |
| | | } = this.state; |
| | | const previousErrorCount = errors.length; |
| | | |
| | | while (braceStackCounter > 0) { |
| | | if (this.match(5)) { |
| | | ++braceStackCounter; |
| | | } else if (this.match(8)) { |
| | | --braceStackCounter; |
| | | } |
| | | |
| | | this.next(); |
| | | try { |
| | | this.parseObjectLike(8, true); |
| | | return errors.length === previousErrorCount; |
| | | } catch (_unused) { |
| | | return false; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | if (this.match(0)) { |
| | | let braceStackCounter = 1; |
| | | this.next(); |
| | | const { |
| | | errors |
| | | } = this.state; |
| | | const previousErrorCount = errors.length; |
| | | |
| | | while (braceStackCounter > 0) { |
| | | if (this.match(0)) { |
| | | ++braceStackCounter; |
| | | } else if (this.match(3)) { |
| | | --braceStackCounter; |
| | | } |
| | | |
| | | this.next(); |
| | | try { |
| | | this.parseBindingList(3, 93, true); |
| | | return errors.length === previousErrorCount; |
| | | } catch (_unused2) { |
| | | return false; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | return false; |
| | |
| | | } |
| | | |
| | | if (this.tsSkipParameterStart()) { |
| | | if (this.match(14) || this.match(12) || this.match(17) || this.match(27)) { |
| | | if (this.match(14) || this.match(12) || this.match(17) || this.match(29)) { |
| | | return true; |
| | | } |
| | | |
| | |
| | | const node = this.startNode(); |
| | | const asserts = !!this.tsTryParse(this.tsParseTypePredicateAsserts.bind(this)); |
| | | |
| | | if (asserts && this.match(69)) { |
| | | if (asserts && this.match(78)) { |
| | | let thisTypePredicate = this.tsParseThisTypeOrThisTypePredicate(); |
| | | |
| | | if (thisTypePredicate.type === "TSThisType") { |
| | |
| | | tsParseTypePredicatePrefix() { |
| | | const id = this.parseIdentifier(); |
| | | |
| | | if (this.isContextual(104) && !this.hasPrecedingLineBreak()) { |
| | | if (this.isContextual(113) && !this.hasPrecedingLineBreak()) { |
| | | this.next(); |
| | | return id; |
| | | } |
| | | } |
| | | |
| | | tsParseTypePredicateAsserts() { |
| | | if (this.state.type !== 97) { |
| | | if (this.state.type !== 106) { |
| | | return false; |
| | | } |
| | | |
| | | const containsEsc = this.state.containsEsc; |
| | | this.next(); |
| | | |
| | | if (!tokenIsIdentifier(this.state.type) && !this.match(69)) { |
| | | if (!tokenIsIdentifier(this.state.type) && !this.match(78)) { |
| | | return false; |
| | | } |
| | | |
| | | if (containsEsc) { |
| | | this.raise(this.state.lastTokStart, ErrorMessages.InvalidEscapedReservedWord, "asserts"); |
| | | this.raise(Errors.InvalidEscapedReservedWord, { |
| | | at: this.state.lastTokStartLoc, |
| | | reservedWord: "asserts" |
| | | }); |
| | | } |
| | | |
| | | return true; |
| | |
| | | assert(this.state.inType); |
| | | const type = this.tsParseNonConditionalType(); |
| | | |
| | | if (this.hasPrecedingLineBreak() || !this.eat(72)) { |
| | | if (this.hasPrecedingLineBreak() || !this.eat(81)) { |
| | | return type; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | isAbstractConstructorSignature() { |
| | | return this.isContextual(111) && this.lookahead().type === 68; |
| | | return this.isContextual(120) && this.lookahead().type === 77; |
| | | } |
| | | |
| | | tsParseNonConditionalType() { |
| | |
| | | return this.tsParseFunctionOrConstructorType("TSFunctionType"); |
| | | } |
| | | |
| | | if (this.match(68)) { |
| | | if (this.match(77)) { |
| | | return this.tsParseFunctionOrConstructorType("TSConstructorType"); |
| | | } else if (this.isAbstractConstructorSignature()) { |
| | | return this.tsParseFunctionOrConstructorType("TSConstructorType", true); |
| | |
| | | } |
| | | |
| | | tsParseTypeAssertion() { |
| | | if (this.getPluginOption("typescript", "disallowAmbiguousJSXLike")) { |
| | | this.raise(TSErrors.ReservedTypeAssertion, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const node = this.startNode(); |
| | | |
| | | const _const = this.tsTryNextParseConstantContext(); |
| | | |
| | | node.typeAnnotation = _const || this.tsNextThenParseType(); |
| | | this.expectRelational(">"); |
| | | this.expect(48); |
| | | node.expression = this.parseMaybeUnary(); |
| | | return this.finishNode(node, "TSTypeAssertion"); |
| | | } |
| | | |
| | | tsParseHeritageClause(descriptor) { |
| | | const originalStart = this.state.start; |
| | | tsParseHeritageClause(token) { |
| | | const originalStartLoc = this.state.startLoc; |
| | | const delimitedList = this.tsParseDelimitedList("HeritageClauseElement", this.tsParseExpressionWithTypeArguments.bind(this)); |
| | | |
| | | if (!delimitedList.length) { |
| | | this.raise(originalStart, TSErrors.EmptyHeritageClauseType, descriptor); |
| | | this.raise(TSErrors.EmptyHeritageClauseType, { |
| | | at: originalStartLoc, |
| | | token |
| | | }); |
| | | } |
| | | |
| | | return delimitedList; |
| | |
| | | |
| | | tsParseExpressionWithTypeArguments() { |
| | | const node = this.startNode(); |
| | | node.expression = this.tsParseEntityName(false); |
| | | node.expression = this.tsParseEntityName(); |
| | | |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47)) { |
| | | node.typeParameters = this.tsParseTypeArguments(); |
| | | } |
| | | |
| | | return this.finishNode(node, "TSExpressionWithTypeArguments"); |
| | | } |
| | | |
| | | tsParseInterfaceDeclaration(node) { |
| | | tsParseInterfaceDeclaration(node, properties = {}) { |
| | | if (this.hasFollowingLineBreak()) return null; |
| | | this.expectContextual(125); |
| | | if (properties.declare) node.declare = true; |
| | | |
| | | if (tokenIsIdentifier(this.state.type)) { |
| | | node.id = this.parseIdentifier(); |
| | | this.checkLVal(node.id, "typescript interface declaration", BIND_TS_INTERFACE); |
| | | this.checkIdentifier(node.id, BIND_TS_INTERFACE); |
| | | } else { |
| | | node.id = null; |
| | | this.raise(this.state.start, TSErrors.MissingInterfaceName); |
| | | this.raise(TSErrors.MissingInterfaceName, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | node.typeParameters = this.tsTryParseTypeParameters(); |
| | | |
| | | if (this.eat(72)) { |
| | | if (this.eat(81)) { |
| | | node.extends = this.tsParseHeritageClause("extends"); |
| | | } |
| | | |
| | |
| | | |
| | | tsParseTypeAliasDeclaration(node) { |
| | | node.id = this.parseIdentifier(); |
| | | this.checkLVal(node.id, "typescript type alias", BIND_TS_TYPE); |
| | | node.typeParameters = this.tsTryParseTypeParameters(); |
| | | this.checkIdentifier(node.id, BIND_TS_TYPE); |
| | | node.typeAnnotation = this.tsInType(() => { |
| | | this.expect(27); |
| | | node.typeParameters = this.tsTryParseTypeParameters(); |
| | | this.expect(29); |
| | | |
| | | if (this.isContextual(102) && this.lookahead().type !== 16) { |
| | | if (this.isContextual(111) && this.lookahead().type !== 16) { |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | return this.finishNode(node, "TSIntrinsicKeyword"); |
| | |
| | | |
| | | tsParseEnumMember() { |
| | | const node = this.startNode(); |
| | | node.id = this.match(120) ? this.parseExprAtom() : this.parseIdentifier(true); |
| | | node.id = this.match(129) ? this.parseExprAtom() : this.parseIdentifier(true); |
| | | |
| | | if (this.eat(27)) { |
| | | if (this.eat(29)) { |
| | | node.initializer = this.parseMaybeAssignAllowIn(); |
| | | } |
| | | |
| | | return this.finishNode(node, "TSEnumMember"); |
| | | } |
| | | |
| | | tsParseEnumDeclaration(node, isConst) { |
| | | if (isConst) node.const = true; |
| | | tsParseEnumDeclaration(node, properties = {}) { |
| | | if (properties.const) node.const = true; |
| | | if (properties.declare) node.declare = true; |
| | | this.expectContextual(122); |
| | | node.id = this.parseIdentifier(); |
| | | this.checkLVal(node.id, "typescript enum declaration", isConst ? BIND_TS_CONST_ENUM : BIND_TS_ENUM); |
| | | this.checkIdentifier(node.id, node.const ? BIND_TS_CONST_ENUM : BIND_TS_ENUM); |
| | | this.expect(5); |
| | | node.members = this.tsParseDelimitedList("EnumMembers", this.tsParseEnumMember.bind(this)); |
| | | this.expect(8); |
| | |
| | | node.id = this.parseIdentifier(); |
| | | |
| | | if (!nested) { |
| | | this.checkLVal(node.id, "module or namespace declaration", BIND_TS_NAMESPACE); |
| | | this.checkIdentifier(node.id, BIND_TS_NAMESPACE); |
| | | } |
| | | |
| | | if (this.eat(16)) { |
| | |
| | | } |
| | | |
| | | tsParseAmbientExternalModuleDeclaration(node) { |
| | | if (this.isContextual(100)) { |
| | | if (this.isContextual(109)) { |
| | | node.global = true; |
| | | node.id = this.parseIdentifier(); |
| | | } else if (this.match(120)) { |
| | | } else if (this.match(129)) { |
| | | node.id = this.parseExprAtom(); |
| | | } else { |
| | | this.unexpected(); |
| | |
| | | tsParseImportEqualsDeclaration(node, isExport) { |
| | | node.isExport = isExport || false; |
| | | node.id = this.parseIdentifier(); |
| | | this.checkLVal(node.id, "import equals declaration", BIND_LEXICAL); |
| | | this.expect(27); |
| | | this.checkIdentifier(node.id, BIND_LEXICAL); |
| | | this.expect(29); |
| | | const moduleReference = this.tsParseModuleReference(); |
| | | |
| | | if (node.importKind === "type" && moduleReference.type !== "TSExternalModuleReference") { |
| | | this.raise(moduleReference.start, TSErrors.ImportAliasHasImportType); |
| | | this.raise(TSErrors.ImportAliasHasImportType, { |
| | | at: moduleReference |
| | | }); |
| | | } |
| | | |
| | | node.moduleReference = moduleReference; |
| | |
| | | } |
| | | |
| | | tsIsExternalModuleReference() { |
| | | return this.isContextual(107) && this.lookaheadCharCode() === 40; |
| | | return this.isContextual(116) && this.lookaheadCharCode() === 40; |
| | | } |
| | | |
| | | tsParseModuleReference() { |
| | |
| | | |
| | | tsParseExternalModuleReference() { |
| | | const node = this.startNode(); |
| | | this.expectContextual(107); |
| | | this.expectContextual(116); |
| | | this.expect(10); |
| | | |
| | | if (!this.match(120)) { |
| | | if (!this.match(129)) { |
| | | throw this.unexpected(); |
| | | } |
| | | |
| | |
| | | let starttype = this.state.type; |
| | | let kind; |
| | | |
| | | if (this.isContextual(90)) { |
| | | starttype = 65; |
| | | if (this.isContextual(99)) { |
| | | starttype = 74; |
| | | kind = "let"; |
| | | } |
| | | |
| | | return this.tsInAmbientContext(() => { |
| | | switch (starttype) { |
| | | case 59: |
| | | if (starttype === 68) { |
| | | nany.declare = true; |
| | | return this.parseFunctionStatement(nany, false, true); |
| | | } |
| | | |
| | | if (starttype === 80) { |
| | | nany.declare = true; |
| | | return this.parseClass(nany, true, false); |
| | | } |
| | | |
| | | if (starttype === 122) { |
| | | return this.tsParseEnumDeclaration(nany, { |
| | | declare: true |
| | | }); |
| | | } |
| | | |
| | | if (starttype === 109) { |
| | | return this.tsParseAmbientExternalModuleDeclaration(nany); |
| | | } |
| | | |
| | | if (starttype === 75 || starttype === 74) { |
| | | if (!this.match(75) || !this.isLookaheadContextual("enum")) { |
| | | nany.declare = true; |
| | | return this.parseFunctionStatement(nany, false, true); |
| | | return this.parseVarStatement(nany, kind || this.state.value, true); |
| | | } |
| | | |
| | | case 71: |
| | | nany.declare = true; |
| | | return this.parseClass(nany, true, false); |
| | | this.expect(75); |
| | | return this.tsParseEnumDeclaration(nany, { |
| | | const: true, |
| | | declare: true |
| | | }); |
| | | } |
| | | |
| | | case 66: |
| | | if (this.match(66) && this.isLookaheadContextual("enum")) { |
| | | this.expect(66); |
| | | this.expectContextual(113); |
| | | return this.tsParseEnumDeclaration(nany, true); |
| | | } |
| | | if (starttype === 125) { |
| | | const result = this.tsParseInterfaceDeclaration(nany, { |
| | | declare: true |
| | | }); |
| | | if (result) return result; |
| | | } |
| | | |
| | | case 65: |
| | | kind = kind || this.state.value; |
| | | return this.parseVarStatement(nany, kind); |
| | | |
| | | case 100: |
| | | return this.tsParseAmbientExternalModuleDeclaration(nany); |
| | | |
| | | default: |
| | | { |
| | | if (tokenIsIdentifier(starttype)) { |
| | | return this.tsParseDeclaration(nany, this.state.value, true); |
| | | } |
| | | } |
| | | if (tokenIsIdentifier(starttype)) { |
| | | return this.tsParseDeclaration(nany, this.state.value, true); |
| | | } |
| | | }); |
| | | } |
| | |
| | | tsParseDeclaration(node, value, next) { |
| | | switch (value) { |
| | | case "abstract": |
| | | if (this.tsCheckLineTerminator(next) && (this.match(71) || tokenIsIdentifier(this.state.type))) { |
| | | if (this.tsCheckLineTerminator(next) && (this.match(80) || tokenIsIdentifier(this.state.type))) { |
| | | return this.tsParseAbstractDeclaration(node); |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "enum": |
| | | if (next || tokenIsIdentifier(this.state.type)) { |
| | | if (next) this.next(); |
| | | return this.tsParseEnumDeclaration(node, false); |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "interface": |
| | | if (this.tsCheckLineTerminator(next) && tokenIsIdentifier(this.state.type)) { |
| | | return this.tsParseInterfaceDeclaration(node); |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "module": |
| | | if (this.tsCheckLineTerminator(next)) { |
| | | if (this.match(120)) { |
| | | if (this.match(129)) { |
| | | return this.tsParseAmbientExternalModuleDeclaration(node); |
| | | } else if (tokenIsIdentifier(this.state.type)) { |
| | | return this.tsParseModuleOrNamespaceDeclaration(node); |
| | |
| | | } |
| | | |
| | | tsTryParseGenericAsyncArrowFunction(startPos, startLoc) { |
| | | if (!this.isRelational("<")) { |
| | | if (!this.match(47)) { |
| | | return undefined; |
| | | } |
| | | |
| | |
| | | return this.parseArrowExpression(res, null, true); |
| | | } |
| | | |
| | | tsParseTypeArgumentsInExpression() { |
| | | if (this.reScan_lt() !== 47) { |
| | | return undefined; |
| | | } |
| | | |
| | | return this.tsParseTypeArguments(); |
| | | } |
| | | |
| | | tsParseTypeArguments() { |
| | | const node = this.startNode(); |
| | | node.params = this.tsInType(() => this.tsInNoContext(() => { |
| | | this.expectRelational("<"); |
| | | this.expect(47); |
| | | return this.tsParseDelimitedList("TypeParametersOrArguments", this.tsParseType.bind(this)); |
| | | })); |
| | | |
| | | if (node.params.length === 0) { |
| | | this.raise(node.start, TSErrors.EmptyTypeArguments); |
| | | this.raise(TSErrors.EmptyTypeArguments, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | this.expectRelational(">"); |
| | | this.expect(48); |
| | | return this.finishNode(node, "TSTypeParameterInstantiation"); |
| | | } |
| | | |
| | |
| | | |
| | | if (allowModifiers !== undefined) { |
| | | const modified = {}; |
| | | this.tsParseModifiers(modified, ["public", "private", "protected", "override", "readonly"]); |
| | | this.tsParseModifiers({ |
| | | modified, |
| | | allowedModifiers: ["public", "private", "protected", "override", "readonly"] |
| | | }); |
| | | accessibility = modified.accessibility; |
| | | override = modified.override; |
| | | readonly = modified.readonly; |
| | | |
| | | if (allowModifiers === false && (accessibility || readonly || override)) { |
| | | this.raise(startPos, TSErrors.UnexpectedParameterModifier); |
| | | this.raise(TSErrors.UnexpectedParameterModifier, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | if (override) pp.override = override; |
| | | |
| | | if (elt.type !== "Identifier" && elt.type !== "AssignmentPattern") { |
| | | this.raise(pp.start, TSErrors.UnsupportedParameterPropertyKind); |
| | | this.raise(TSErrors.UnsupportedParameterPropertyKind, { |
| | | at: pp |
| | | }); |
| | | } |
| | | |
| | | pp.parameter = elt; |
| | |
| | | return elt; |
| | | } |
| | | |
| | | isSimpleParameter(node) { |
| | | return node.type === "TSParameterProperty" && super.isSimpleParameter(node.parameter) || super.isSimpleParameter(node); |
| | | } |
| | | |
| | | parseFunctionBodyAndFinish(node, type, isMethod = false) { |
| | | if (this.match(14)) { |
| | | node.returnType = this.tsParseTypeOrTypePredicateAnnotation(14); |
| | | } |
| | | |
| | | const bodilessType = type === "FunctionDeclaration" ? "TSDeclareFunction" : type === "ClassMethod" ? "TSDeclareMethod" : undefined; |
| | | const bodilessType = type === "FunctionDeclaration" ? "TSDeclareFunction" : type === "ClassMethod" || type === "ClassPrivateMethod" ? "TSDeclareMethod" : undefined; |
| | | |
| | | if (bodilessType && !this.match(5) && this.isLineTerminator()) { |
| | | this.finishNode(node, bodilessType); |
| | |
| | | } |
| | | |
| | | if (bodilessType === "TSDeclareFunction" && this.state.isAmbientContext) { |
| | | this.raise(node.start, TSErrors.DeclareFunctionHasImplementation); |
| | | this.raise(TSErrors.DeclareFunctionHasImplementation, { |
| | | at: node |
| | | }); |
| | | |
| | | if (node.declare) { |
| | | super.parseFunctionBodyAndFinish(node, bodilessType, isMethod); |
| | |
| | | |
| | | registerFunctionStatementId(node) { |
| | | if (!node.body && node.id) { |
| | | this.checkLVal(node.id, "function name", BIND_TS_AMBIENT); |
| | | this.checkIdentifier(node.id, BIND_TS_AMBIENT); |
| | | } else { |
| | | super.registerFunctionStatementId(...arguments); |
| | | } |
| | |
| | | tsCheckForInvalidTypeCasts(items) { |
| | | items.forEach(node => { |
| | | if ((node == null ? void 0 : node.type) === "TSTypeCastExpression") { |
| | | this.raise(node.typeAnnotation.start, TSErrors.UnexpectedTypeAnnotation); |
| | | this.raise(TSErrors.UnexpectedTypeAnnotation, { |
| | | at: node.typeAnnotation |
| | | }); |
| | | } |
| | | }); |
| | | } |
| | |
| | | } |
| | | |
| | | parseSubscript(base, startPos, startLoc, noCalls, state) { |
| | | if (!this.hasPrecedingLineBreak() && this.match(32)) { |
| | | this.state.exprAllowed = false; |
| | | if (!this.hasPrecedingLineBreak() && this.match(35)) { |
| | | this.state.canStartJSXElement = false; |
| | | this.next(); |
| | | const nonNullExpression = this.startNodeAt(startPos, startLoc); |
| | | nonNullExpression.expression = base; |
| | |
| | | this.next(); |
| | | } |
| | | |
| | | if (this.isRelational("<")) { |
| | | let missingParenErrorPos; |
| | | if (this.match(47) || this.match(51)) { |
| | | let missingParenErrorLoc; |
| | | const result = this.tsTryParseAndCatch(() => { |
| | | if (!noCalls && this.atPossibleAsyncArrow(base)) { |
| | | const asyncArrowFn = this.tsTryParseGenericAsyncArrowFunction(startPos, startLoc); |
| | |
| | | |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | node.callee = base; |
| | | const typeArguments = this.tsParseTypeArguments(); |
| | | const typeArguments = this.tsParseTypeArgumentsInExpression(); |
| | | |
| | | if (typeArguments) { |
| | | if (isOptionalCall && !this.match(10)) { |
| | | missingParenErrorPos = this.state.pos; |
| | | missingParenErrorLoc = this.state.curPosition(); |
| | | this.unexpected(); |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | return this.finishCallExpression(node, state.optionalChainMember); |
| | | } else if (this.match(22)) { |
| | | } else if (tokenIsTemplate(this.state.type)) { |
| | | const result = this.parseTaggedTemplateExpression(base, startPos, startLoc, state); |
| | | result.typeParameters = typeArguments; |
| | | return result; |
| | |
| | | this.unexpected(); |
| | | }); |
| | | |
| | | if (missingParenErrorPos) { |
| | | this.unexpected(missingParenErrorPos, 10); |
| | | if (missingParenErrorLoc) { |
| | | this.unexpected(missingParenErrorLoc, 10); |
| | | } |
| | | |
| | | if (result) return result; |
| | |
| | | } |
| | | |
| | | parseNewArguments(node) { |
| | | if (this.isRelational("<")) { |
| | | if (this.match(47) || this.match(51)) { |
| | | const typeParameters = this.tsTryParseAndCatch(() => { |
| | | const args = this.tsParseTypeArguments(); |
| | | const args = this.tsParseTypeArgumentsInExpression(); |
| | | if (!this.match(10)) this.unexpected(); |
| | | return args; |
| | | }); |
| | |
| | | } |
| | | |
| | | parseExprOp(left, leftStartPos, leftStartLoc, minPrec) { |
| | | if (tokenOperatorPrecedence(49) > minPrec && !this.hasPrecedingLineBreak() && this.isContextual(84)) { |
| | | if (tokenOperatorPrecedence(58) > minPrec && !this.hasPrecedingLineBreak() && this.isContextual(93)) { |
| | | const node = this.startNodeAt(leftStartPos, leftStartLoc); |
| | | node.expression = left; |
| | | |
| | |
| | | return super.parseExprOp(left, leftStartPos, leftStartLoc, minPrec); |
| | | } |
| | | |
| | | checkReservedWord(word, startLoc, checkKeywords, isBinding) {} |
| | | checkReservedWord(word, startLoc, checkKeywords, isBinding) { |
| | | if (!this.state.isAmbientContext) { |
| | | super.checkReservedWord(word, startLoc, checkKeywords, isBinding); |
| | | } |
| | | } |
| | | |
| | | checkDuplicateExports() {} |
| | | |
| | | parseImport(node) { |
| | | node.importKind = "value"; |
| | | |
| | | if (tokenIsIdentifier(this.state.type) || this.match(46) || this.match(5)) { |
| | | if (tokenIsIdentifier(this.state.type) || this.match(55) || this.match(5)) { |
| | | let ahead = this.lookahead(); |
| | | |
| | | if (this.isContextual(117) && ahead.type !== 12 && ahead.type !== 88 && ahead.type !== 27) { |
| | | if (this.isContextual(126) && ahead.type !== 12 && ahead.type !== 97 && ahead.type !== 29) { |
| | | node.importKind = "type"; |
| | | this.next(); |
| | | ahead = this.lookahead(); |
| | | } |
| | | |
| | | if (tokenIsIdentifier(this.state.type) && ahead.type === 27) { |
| | | if (tokenIsIdentifier(this.state.type) && ahead.type === 29) { |
| | | return this.tsParseImportEqualsDeclaration(node); |
| | | } |
| | | } |
| | |
| | | const importNode = super.parseImport(node); |
| | | |
| | | if (importNode.importKind === "type" && importNode.specifiers.length > 1 && importNode.specifiers[0].type === "ImportDefaultSpecifier") { |
| | | this.raise(importNode.start, TSErrors.TypeImportCannotSpecifyDefaultAndNamed); |
| | | this.raise(TSErrors.TypeImportCannotSpecifyDefaultAndNamed, { |
| | | at: importNode |
| | | }); |
| | | } |
| | | |
| | | return importNode; |
| | | } |
| | | |
| | | parseExport(node) { |
| | | if (this.match(74)) { |
| | | if (this.match(83)) { |
| | | this.next(); |
| | | |
| | | if (this.isContextual(117) && this.lookaheadCharCode() !== 61) { |
| | | if (this.isContextual(126) && this.lookaheadCharCode() !== 61) { |
| | | node.importKind = "type"; |
| | | this.next(); |
| | | } else { |
| | |
| | | } |
| | | |
| | | return this.tsParseImportEqualsDeclaration(node, true); |
| | | } else if (this.eat(27)) { |
| | | } else if (this.eat(29)) { |
| | | const assign = node; |
| | | assign.expression = this.parseExpression(); |
| | | this.semicolon(); |
| | | return this.finishNode(assign, "TSExportAssignment"); |
| | | } else if (this.eatContextual(84)) { |
| | | } else if (this.eatContextual(93)) { |
| | | const decl = node; |
| | | this.expectContextual(115); |
| | | this.expectContextual(124); |
| | | decl.id = this.parseIdentifier(); |
| | | this.semicolon(); |
| | | return this.finishNode(decl, "TSNamespaceExportDeclaration"); |
| | | } else { |
| | | if (this.isContextual(117) && this.lookahead().type === 5) { |
| | | if (this.isContextual(126) && this.lookahead().type === 5) { |
| | | this.next(); |
| | | node.exportKind = "type"; |
| | | } else { |
| | |
| | | } |
| | | |
| | | isAbstractClass() { |
| | | return this.isContextual(111) && this.lookahead().type === 71; |
| | | return this.isContextual(120) && this.lookahead().type === 80; |
| | | } |
| | | |
| | | parseExportDefaultExpression() { |
| | |
| | | return cls; |
| | | } |
| | | |
| | | if (this.match(116)) { |
| | | const interfaceNode = this.startNode(); |
| | | this.next(); |
| | | const result = this.tsParseInterfaceDeclaration(interfaceNode); |
| | | if (this.match(125)) { |
| | | const result = this.tsParseInterfaceDeclaration(this.startNode()); |
| | | if (result) return result; |
| | | } |
| | | |
| | | return super.parseExportDefaultExpression(); |
| | | } |
| | | |
| | | parseStatementContent(context, topLevel) { |
| | | if (this.state.type === 66) { |
| | | const ahead = this.lookahead(); |
| | | parseVarStatement(node, kind, allowMissingInitializer = false) { |
| | | const { |
| | | isAmbientContext |
| | | } = this.state; |
| | | const declaration = super.parseVarStatement(node, kind, allowMissingInitializer || isAmbientContext); |
| | | if (!isAmbientContext) return declaration; |
| | | |
| | | if (ahead.type === 113) { |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | this.expectContextual(113); |
| | | return this.tsParseEnumDeclaration(node, true); |
| | | for (const { |
| | | id, |
| | | init |
| | | } of declaration.declarations) { |
| | | if (!init) continue; |
| | | |
| | | if (kind !== "const" || !!id.typeAnnotation) { |
| | | this.raise(TSErrors.InitializerNotAllowedInAmbientContext, { |
| | | at: init |
| | | }); |
| | | } else if (init.type !== "StringLiteral" && init.type !== "BooleanLiteral" && init.type !== "NumericLiteral" && init.type !== "BigIntLiteral" && (init.type !== "TemplateLiteral" || init.expressions.length > 0) && !isPossiblyLiteralEnum(init)) { |
| | | this.raise(TSErrors.ConstInitiailizerMustBeStringOrNumericLiteralOrLiteralEnumReference, { |
| | | at: init |
| | | }); |
| | | } |
| | | } |
| | | |
| | | return declaration; |
| | | } |
| | | |
| | | parseStatementContent(context, topLevel) { |
| | | if (this.match(75) && this.isLookaheadContextual("enum")) { |
| | | const node = this.startNode(); |
| | | this.expect(75); |
| | | return this.tsParseEnumDeclaration(node, { |
| | | const: true |
| | | }); |
| | | } |
| | | |
| | | if (this.isContextual(122)) { |
| | | return this.tsParseEnumDeclaration(this.startNode()); |
| | | } |
| | | |
| | | if (this.isContextual(125)) { |
| | | const result = this.tsParseInterfaceDeclaration(this.startNode()); |
| | | if (result) return result; |
| | | } |
| | | |
| | | return super.parseStatementContent(context, topLevel); |
| | |
| | | } |
| | | |
| | | tsIsStartOfStaticBlocks() { |
| | | return this.isContextual(95) && this.lookaheadCharCode() === 123; |
| | | return this.isContextual(104) && this.lookaheadCharCode() === 123; |
| | | } |
| | | |
| | | parseClassMember(classBody, member, state) { |
| | | const modifiers = ["declare", "private", "public", "protected", "override", "abstract", "readonly", "static"]; |
| | | this.tsParseModifiers(member, modifiers, undefined, undefined, true); |
| | | this.tsParseModifiers({ |
| | | modified: member, |
| | | allowedModifiers: modifiers, |
| | | stopOnStartOfClassStaticBlock: true |
| | | }); |
| | | |
| | | const callParseClassMemberWithIsStatic = () => { |
| | | if (this.tsIsStartOfStaticBlocks()) { |
| | |
| | | this.next(); |
| | | |
| | | if (this.tsHasSomeModifiers(member, modifiers)) { |
| | | this.raise(this.state.pos, TSErrors.StaticBlockCannotHaveModifier); |
| | | this.raise(TSErrors.StaticBlockCannotHaveModifier, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.parseClassStaticBlock(classBody, member); |
| | |
| | | classBody.body.push(idx); |
| | | |
| | | if (member.abstract) { |
| | | this.raise(member.start, TSErrors.IndexSignatureHasAbstract); |
| | | this.raise(TSErrors.IndexSignatureHasAbstract, { |
| | | at: member |
| | | }); |
| | | } |
| | | |
| | | if (member.accessibility) { |
| | | this.raise(member.start, TSErrors.IndexSignatureHasAccessibility, member.accessibility); |
| | | this.raise(TSErrors.IndexSignatureHasAccessibility, { |
| | | at: member, |
| | | modifier: member.accessibility |
| | | }); |
| | | } |
| | | |
| | | if (member.declare) { |
| | | this.raise(member.start, TSErrors.IndexSignatureHasDeclare); |
| | | this.raise(TSErrors.IndexSignatureHasDeclare, { |
| | | at: member |
| | | }); |
| | | } |
| | | |
| | | if (member.override) { |
| | | this.raise(member.start, TSErrors.IndexSignatureHasOverride); |
| | | this.raise(TSErrors.IndexSignatureHasOverride, { |
| | | at: member |
| | | }); |
| | | } |
| | | |
| | | return; |
| | | } |
| | | |
| | | if (!this.state.inAbstractClass && member.abstract) { |
| | | this.raise(member.start, TSErrors.NonAbstractClassHasAbstractMethod); |
| | | this.raise(TSErrors.NonAbstractClassHasAbstractMethod, { |
| | | at: member |
| | | }); |
| | | } |
| | | |
| | | if (member.override) { |
| | | if (!state.hadSuperClass) { |
| | | this.raise(member.start, TSErrors.OverrideNotInSubClass); |
| | | this.raise(TSErrors.OverrideNotInSubClass, { |
| | | at: member |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | if (optional) methodOrProp.optional = true; |
| | | |
| | | if (methodOrProp.readonly && this.match(10)) { |
| | | this.raise(methodOrProp.start, TSErrors.ClassMethodHasReadonly); |
| | | this.raise(TSErrors.ClassMethodHasReadonly, { |
| | | at: methodOrProp |
| | | }); |
| | | } |
| | | |
| | | if (methodOrProp.declare && this.match(10)) { |
| | | this.raise(methodOrProp.start, TSErrors.ClassMethodHasDeclare); |
| | | this.raise(TSErrors.ClassMethodHasDeclare, { |
| | | at: methodOrProp |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | parseExportDeclaration(node) { |
| | | if (!this.state.isAmbientContext && this.isContextual(121)) { |
| | | return this.tsInAmbientContext(() => this.parseExportDeclaration(node)); |
| | | } |
| | | |
| | | const startPos = this.state.start; |
| | | const startLoc = this.state.startLoc; |
| | | const isDeclare = this.eatContextual(112); |
| | | const isDeclare = this.eatContextual(121); |
| | | |
| | | if (isDeclare && (this.isContextual(112) || !this.shouldParseExportDeclaration())) { |
| | | throw this.raise(this.state.start, TSErrors.ExpectedAmbientAfterExportDeclare); |
| | | if (isDeclare && (this.isContextual(121) || !this.shouldParseExportDeclaration())) { |
| | | throw this.raise(TSErrors.ExpectedAmbientAfterExportDeclare, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | let declaration; |
| | | const isIdentifier = tokenIsIdentifier(this.state.type); |
| | | const declaration = isIdentifier && this.tsTryParseExportDeclaration() || super.parseExportDeclaration(node); |
| | | if (!declaration) return null; |
| | | |
| | | if (tokenIsIdentifier(this.state.type)) { |
| | | declaration = this.tsTryParseExportDeclaration(); |
| | | } |
| | | |
| | | if (!declaration) { |
| | | declaration = super.parseExportDeclaration(node); |
| | | } |
| | | |
| | | if (declaration && (declaration.type === "TSInterfaceDeclaration" || declaration.type === "TSTypeAliasDeclaration" || isDeclare)) { |
| | | if (declaration.type === "TSInterfaceDeclaration" || declaration.type === "TSTypeAliasDeclaration" || isDeclare) { |
| | | node.exportKind = "type"; |
| | | } |
| | | |
| | | if (declaration && isDeclare) { |
| | | if (isDeclare) { |
| | | this.resetStartLocation(declaration, startPos, startLoc); |
| | | declaration.declare = true; |
| | | } |
| | |
| | | } |
| | | |
| | | parseClassId(node, isStatement, optionalId) { |
| | | if ((!isStatement || optionalId) && this.isContextual(101)) { |
| | | if ((!isStatement || optionalId) && this.isContextual(110)) { |
| | | return; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | parseClassPropertyAnnotation(node) { |
| | | if (!node.optional && this.eat(32)) { |
| | | if (!node.optional && this.eat(35)) { |
| | | node.definite = true; |
| | | } |
| | | |
| | |
| | | parseClassProperty(node) { |
| | | this.parseClassPropertyAnnotation(node); |
| | | |
| | | if (this.state.isAmbientContext && this.match(27)) { |
| | | this.raise(this.state.start, TSErrors.DeclareClassFieldHasInitializer); |
| | | if (this.state.isAmbientContext && this.match(29)) { |
| | | this.raise(TSErrors.DeclareClassFieldHasInitializer, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | if (node.abstract && this.match(27)) { |
| | | if (node.abstract && this.match(29)) { |
| | | const { |
| | | key |
| | | } = node; |
| | | this.raise(this.state.start, TSErrors.AbstractPropertyHasInitializer, key.type === "Identifier" && !node.computed ? key.name : `[${this.input.slice(key.start, key.end)}]`); |
| | | this.raise(TSErrors.AbstractPropertyHasInitializer, { |
| | | at: this.state.startLoc, |
| | | propertyName: key.type === "Identifier" && !node.computed ? key.name : `[${this.input.slice(key.start, key.end)}]` |
| | | }); |
| | | } |
| | | |
| | | return super.parseClassProperty(node); |
| | |
| | | |
| | | parseClassPrivateProperty(node) { |
| | | if (node.abstract) { |
| | | this.raise(node.start, TSErrors.PrivateElementHasAbstract); |
| | | this.raise(TSErrors.PrivateElementHasAbstract, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | if (node.accessibility) { |
| | | this.raise(node.start, TSErrors.PrivateElementHasAccessibility, node.accessibility); |
| | | this.raise(TSErrors.PrivateElementHasAccessibility, { |
| | | at: node, |
| | | modifier: node.accessibility |
| | | }); |
| | | } |
| | | |
| | | this.parseClassPropertyAnnotation(node); |
| | |
| | | const typeParameters = this.tsTryParseTypeParameters(); |
| | | |
| | | if (typeParameters && isConstructor) { |
| | | this.raise(typeParameters.start, TSErrors.ConstructorHasTypeParameters); |
| | | this.raise(TSErrors.ConstructorHasTypeParameters, { |
| | | at: typeParameters |
| | | }); |
| | | } |
| | | |
| | | if (method.declare && (method.kind === "get" || method.kind === "set")) { |
| | | this.raise(method.start, TSErrors.DeclareAccessor, method.kind); |
| | | const { |
| | | declare = false, |
| | | kind |
| | | } = method; |
| | | |
| | | if (declare && (kind === "get" || kind === "set")) { |
| | | this.raise(TSErrors.DeclareAccessor, { |
| | | at: method, |
| | | kind |
| | | }); |
| | | } |
| | | |
| | | if (typeParameters) method.typeParameters = typeParameters; |
| | |
| | | super.pushClassPrivateMethod(classBody, method, isGenerator, isAsync); |
| | | } |
| | | |
| | | declareClassPrivateMethodInScope(node, kind) { |
| | | if (node.type === "TSDeclareMethod") return; |
| | | if (node.type === "MethodDefinition" && !node.value.body) return; |
| | | super.declareClassPrivateMethodInScope(node, kind); |
| | | } |
| | | |
| | | parseClassSuper(node) { |
| | | super.parseClassSuper(node); |
| | | |
| | | if (node.superClass && this.isRelational("<")) { |
| | | node.superTypeParameters = this.tsParseTypeArguments(); |
| | | if (node.superClass && (this.match(47) || this.match(51))) { |
| | | node.superTypeParameters = this.tsParseTypeArgumentsInExpression(); |
| | | } |
| | | |
| | | if (this.eatContextual(101)) { |
| | | if (this.eatContextual(110)) { |
| | | node.implements = this.tsParseHeritageClause("implements"); |
| | | } |
| | | } |
| | |
| | | parseVarId(decl, kind) { |
| | | super.parseVarId(decl, kind); |
| | | |
| | | if (decl.id.type === "Identifier" && this.eat(32)) { |
| | | if (decl.id.type === "Identifier" && !this.hasPrecedingLineBreak() && this.eat(35)) { |
| | | decl.definite = true; |
| | | } |
| | | |
| | |
| | | let jsx; |
| | | let typeCast; |
| | | |
| | | if (this.hasPlugin("jsx") && (this.match(129) || this.isRelational("<"))) { |
| | | if (this.hasPlugin("jsx") && (this.match(138) || this.match(47))) { |
| | | state = this.state.clone(); |
| | | jsx = this.tryParse(() => super.parseMaybeAssign(...args), state); |
| | | if (!jsx.error) return jsx.node; |
| | | const { |
| | | context |
| | | } = this.state; |
| | | const currentContext = context[context.length - 1]; |
| | | |
| | | if (context[context.length - 1] === types.j_oTag) { |
| | | context.length -= 2; |
| | | } else if (context[context.length - 1] === types.j_expr) { |
| | | context.length -= 1; |
| | | if (currentContext === types.j_oTag || currentContext === types.j_expr) { |
| | | context.pop(); |
| | | } |
| | | } |
| | | |
| | | if (!((_jsx = jsx) != null && _jsx.error) && !this.isRelational("<")) { |
| | | if (!((_jsx = jsx) != null && _jsx.error) && !this.match(47)) { |
| | | return super.parseMaybeAssign(...args); |
| | | } |
| | | |
| | | let typeParameters; |
| | | state = state || this.state.clone(); |
| | | const arrow = this.tryParse(abort => { |
| | | var _expr$extra, _typeParameters; |
| | | var _expr$extra, _typeParameters, _expr$typeParameters$; |
| | | |
| | | typeParameters = this.tsParseTypeParameters(); |
| | | const expr = super.parseMaybeAssign(...args); |
| | |
| | | } |
| | | |
| | | expr.typeParameters = typeParameters; |
| | | |
| | | if (this.hasPlugin("jsx") && expr.typeParameters.params.length === 1 && !((_expr$typeParameters$ = expr.typeParameters.extra) != null && _expr$typeParameters$.trailingComma)) { |
| | | const parameter = expr.typeParameters.params[0]; |
| | | |
| | | if (!parameter.constraint) ; |
| | | } |
| | | |
| | | return expr; |
| | | }, state); |
| | | if (!arrow.error && !arrow.aborted) return arrow.node; |
| | | |
| | | if (!arrow.error && !arrow.aborted) { |
| | | if (typeParameters) this.reportReservedArrowTypeParam(typeParameters); |
| | | return arrow.node; |
| | | } |
| | | |
| | | if (!jsx) { |
| | | assert(!this.hasPlugin("jsx")); |
| | |
| | | |
| | | if (arrow.node) { |
| | | this.state = arrow.failState; |
| | | if (typeParameters) this.reportReservedArrowTypeParam(typeParameters); |
| | | return arrow.node; |
| | | } |
| | | |
| | |
| | | throw ((_jsx4 = jsx) == null ? void 0 : _jsx4.error) || arrow.error || ((_typeCast3 = typeCast) == null ? void 0 : _typeCast3.error); |
| | | } |
| | | |
| | | reportReservedArrowTypeParam(node) { |
| | | var _node$extra; |
| | | |
| | | if (node.params.length === 1 && !((_node$extra = node.extra) != null && _node$extra.trailingComma) && this.getPluginOption("typescript", "disallowAmbiguousJSXLike")) { |
| | | this.raise(TSErrors.ReservedArrowTypeParam, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | | parseMaybeUnary(refExpressionErrors) { |
| | | if (!this.hasPlugin("jsx") && this.isRelational("<")) { |
| | | if (!this.hasPlugin("jsx") && this.match(47)) { |
| | | return this.tsParseTypeAssertion(); |
| | | } else { |
| | | return super.parseMaybeUnary(refExpressionErrors); |
| | |
| | | parseAssignableListItemTypes(param) { |
| | | if (this.eat(17)) { |
| | | if (param.type !== "Identifier" && !this.state.isAmbientContext && !this.state.inType) { |
| | | this.raise(param.start, TSErrors.PatternIsOptional); |
| | | this.raise(TSErrors.PatternIsOptional, { |
| | | at: param |
| | | }); |
| | | } |
| | | |
| | | param.optional = true; |
| | |
| | | |
| | | toAssignable(node, isLHS = false) { |
| | | switch (node.type) { |
| | | case "TSTypeCastExpression": |
| | | return super.toAssignable(this.typeCastToParameter(node), isLHS); |
| | | |
| | | case "TSParameterProperty": |
| | | return super.toAssignable(node, isLHS); |
| | | |
| | | case "ParenthesizedExpression": |
| | | return this.toAssignableParenthesizedExpression(node, isLHS); |
| | | this.toAssignableParenthesizedExpression(node, isLHS); |
| | | break; |
| | | |
| | | case "TSAsExpression": |
| | | case "TSNonNullExpression": |
| | | case "TSTypeAssertion": |
| | | node.expression = this.toAssignable(node.expression, isLHS); |
| | | return node; |
| | | if (isLHS) { |
| | | this.expressionScope.recordArrowParemeterBindingError(TSErrors.UnexpectedTypeCastInParameter, { |
| | | at: node |
| | | }); |
| | | } else { |
| | | this.raise(TSErrors.UnexpectedTypeCastInParameter, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | this.toAssignable(node.expression, isLHS); |
| | | break; |
| | | |
| | | case "AssignmentExpression": |
| | | if (!isLHS && node.left.type === "TSTypeCastExpression") { |
| | | node.left = this.typeCastToParameter(node.left); |
| | | } |
| | | |
| | | default: |
| | | return super.toAssignable(node, isLHS); |
| | | super.toAssignable(node, isLHS); |
| | | } |
| | | } |
| | | |
| | |
| | | case "TSNonNullExpression": |
| | | case "TSTypeAssertion": |
| | | case "ParenthesizedExpression": |
| | | node.expression = this.toAssignable(node.expression, isLHS); |
| | | return node; |
| | | this.toAssignable(node.expression, isLHS); |
| | | break; |
| | | |
| | | default: |
| | | return super.toAssignable(node, isLHS); |
| | | super.toAssignable(node, isLHS); |
| | | } |
| | | } |
| | | |
| | | checkLVal(expr, contextDescription, ...args) { |
| | | var _expr$extra2; |
| | | |
| | | switch (expr.type) { |
| | | case "TSTypeCastExpression": |
| | | return; |
| | | |
| | | case "TSParameterProperty": |
| | | this.checkLVal(expr.parameter, "parameter property", ...args); |
| | | return; |
| | | |
| | | checkToRestConversion(node, allowPattern) { |
| | | switch (node.type) { |
| | | case "TSAsExpression": |
| | | case "TSTypeAssertion": |
| | | if (!args[0] && contextDescription !== "parenthesized expression" && !((_expr$extra2 = expr.extra) != null && _expr$extra2.parenthesized)) { |
| | | this.raise(expr.start, ErrorMessages.InvalidLhs, contextDescription); |
| | | break; |
| | | } |
| | | |
| | | this.checkLVal(expr.expression, "parenthesized expression", ...args); |
| | | return; |
| | | |
| | | case "TSNonNullExpression": |
| | | this.checkLVal(expr.expression, contextDescription, ...args); |
| | | return; |
| | | this.checkToRestConversion(node.expression, false); |
| | | break; |
| | | |
| | | default: |
| | | super.checkLVal(expr, contextDescription, ...args); |
| | | return; |
| | | super.checkToRestConversion(node, allowPattern); |
| | | } |
| | | } |
| | | |
| | | isValidLVal(type, isUnparenthesizedInAssign, binding) { |
| | | return getOwn$1({ |
| | | TSTypeCastExpression: true, |
| | | TSParameterProperty: "parameter", |
| | | TSNonNullExpression: "expression", |
| | | TSAsExpression: (binding !== BIND_NONE || !isUnparenthesizedInAssign) && ["expression", true], |
| | | TSTypeAssertion: (binding !== BIND_NONE || !isUnparenthesizedInAssign) && ["expression", true] |
| | | }, type) || super.isValidLVal(type, isUnparenthesizedInAssign, binding); |
| | | } |
| | | |
| | | parseBindingAtom() { |
| | | switch (this.state.type) { |
| | | case 69: |
| | | case 78: |
| | | return this.parseIdentifier(true); |
| | | |
| | | default: |
| | |
| | | } |
| | | |
| | | parseMaybeDecoratorArguments(expr) { |
| | | if (this.isRelational("<")) { |
| | | const typeArguments = this.tsParseTypeArguments(); |
| | | if (this.match(47) || this.match(51)) { |
| | | const typeArguments = this.tsParseTypeArgumentsInExpression(); |
| | | |
| | | if (this.match(10)) { |
| | | const call = super.parseMaybeDecoratorArguments(expr); |
| | |
| | | return call; |
| | | } |
| | | |
| | | this.unexpected(this.state.start, 10); |
| | | this.unexpected(null, 10); |
| | | } |
| | | |
| | | return super.parseMaybeDecoratorArguments(expr); |
| | |
| | | checkCommaAfterRest(close) { |
| | | if (this.state.isAmbientContext && this.match(12) && this.lookaheadCharCode() === close) { |
| | | this.next(); |
| | | return false; |
| | | } else { |
| | | super.checkCommaAfterRest(close); |
| | | return super.checkCommaAfterRest(close); |
| | | } |
| | | } |
| | | |
| | | isClassMethod() { |
| | | return this.isRelational("<") || super.isClassMethod(); |
| | | return this.match(47) || super.isClassMethod(); |
| | | } |
| | | |
| | | isClassProperty() { |
| | | return this.match(32) || this.match(14) || super.isClassProperty(); |
| | | return this.match(35) || this.match(14) || super.isClassProperty(); |
| | | } |
| | | |
| | | parseMaybeDefault(...args) { |
| | | const node = super.parseMaybeDefault(...args); |
| | | |
| | | if (node.type === "AssignmentPattern" && node.typeAnnotation && node.right.start < node.typeAnnotation.start) { |
| | | this.raise(node.typeAnnotation.start, TSErrors.TypeAnnotationAfterAssign); |
| | | this.raise(TSErrors.TypeAnnotationAfterAssign, { |
| | | at: node.typeAnnotation |
| | | }); |
| | | } |
| | | |
| | | return node; |
| | | } |
| | | |
| | | getTokenFromCode(code) { |
| | | if (this.state.inType && (code === 62 || code === 60)) { |
| | | return this.finishOp(42, 1); |
| | | } else { |
| | | return super.getTokenFromCode(code); |
| | | if (this.state.inType) { |
| | | if (code === 62) { |
| | | return this.finishOp(48, 1); |
| | | } |
| | | |
| | | if (code === 60) { |
| | | return this.finishOp(47, 1); |
| | | } |
| | | } |
| | | |
| | | return super.getTokenFromCode(code); |
| | | } |
| | | |
| | | reScan_lt_gt() { |
| | | if (this.match(42)) { |
| | | const code = this.input.charCodeAt(this.state.start); |
| | | const { |
| | | type |
| | | } = this.state; |
| | | |
| | | if (code === 60 || code === 62) { |
| | | this.state.pos -= 1; |
| | | this.readToken_lt_gt(code); |
| | | } |
| | | if (type === 47) { |
| | | this.state.pos -= 1; |
| | | this.readToken_lt(); |
| | | } else if (type === 48) { |
| | | this.state.pos -= 1; |
| | | this.readToken_gt(); |
| | | } |
| | | } |
| | | |
| | | reScan_lt() { |
| | | const { |
| | | type |
| | | } = this.state; |
| | | |
| | | if (type === 51) { |
| | | this.state.pos -= 2; |
| | | this.finishOp(47, 1); |
| | | return 47; |
| | | } |
| | | |
| | | return type; |
| | | } |
| | | |
| | | toAssignableList(exprList) { |
| | | for (let i = 0; i < exprList.length; i++) { |
| | | const expr = exprList[i]; |
| | | if (!expr) continue; |
| | | |
| | | switch (expr.type) { |
| | | case "TSTypeCastExpression": |
| | | exprList[i] = this.typeCastToParameter(expr); |
| | | break; |
| | | |
| | | case "TSAsExpression": |
| | | case "TSTypeAssertion": |
| | | if (!this.state.maybeInArrowParameters) { |
| | | exprList[i] = this.typeCastToParameter(expr); |
| | | } else { |
| | | this.raise(expr.start, TSErrors.UnexpectedTypeCastInParameter); |
| | | } |
| | | |
| | | break; |
| | | if ((expr == null ? void 0 : expr.type) === "TSTypeCastExpression") { |
| | | exprList[i] = this.typeCastToParameter(expr); |
| | | } |
| | | } |
| | | |
| | | return super.toAssignableList(...arguments); |
| | | super.toAssignableList(...arguments); |
| | | } |
| | | |
| | | typeCastToParameter(node) { |
| | | node.expression.typeAnnotation = node.typeAnnotation; |
| | | this.resetEndLocation(node.expression, node.typeAnnotation.end, node.typeAnnotation.loc.end); |
| | | this.resetEndLocation(node.expression, node.typeAnnotation.loc.end); |
| | | return node.expression; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | jsxParseOpeningElementAfterName(node) { |
| | | if (this.isRelational("<")) { |
| | | const typeArguments = this.tsTryParseAndCatch(() => this.tsParseTypeArguments()); |
| | | if (this.match(47) || this.match(51)) { |
| | | const typeArguments = this.tsTryParseAndCatch(() => this.tsParseTypeArgumentsInExpression()); |
| | | if (typeArguments) node.typeParameters = typeArguments; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | tsParseAbstractDeclaration(node) { |
| | | if (this.match(71)) { |
| | | if (this.match(80)) { |
| | | node.abstract = true; |
| | | return this.parseClass(node, true, false); |
| | | } else if (this.isContextual(116)) { |
| | | } else if (this.isContextual(125)) { |
| | | if (!this.hasFollowingLineBreak()) { |
| | | node.abstract = true; |
| | | this.raise(node.start, TSErrors.NonClassMethodPropertyHasAbstractModifer); |
| | | this.next(); |
| | | this.raise(TSErrors.NonClassMethodPropertyHasAbstractModifer, { |
| | | at: node |
| | | }); |
| | | return this.tsParseInterfaceDeclaration(node); |
| | | } |
| | | } else { |
| | | this.unexpected(null, 71); |
| | | this.unexpected(null, 80); |
| | | } |
| | | } |
| | | |
| | |
| | | const { |
| | | key |
| | | } = method; |
| | | this.raise(method.start, TSErrors.AbstractMethodHasImplementation, key.type === "Identifier" && !method.computed ? key.name : `[${this.input.slice(key.start, key.end)}]`); |
| | | this.raise(TSErrors.AbstractMethodHasImplementation, { |
| | | at: method, |
| | | methodName: key.type === "Identifier" && !method.computed ? key.name : `[${this.input.slice(key.start, key.end)}]` |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | return super.getExpression(); |
| | | } |
| | | |
| | | parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly) { |
| | | if (!isString && isMaybeTypeOnly) { |
| | | this.parseTypeOnlyImportExportSpecifier(node, false, isInTypeExport); |
| | | return this.finishNode(node, "ExportSpecifier"); |
| | | } |
| | | |
| | | node.exportKind = "value"; |
| | | return super.parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly); |
| | | } |
| | | |
| | | parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly) { |
| | | if (!importedIsString && isMaybeTypeOnly) { |
| | | this.parseTypeOnlyImportExportSpecifier(specifier, true, isInTypeOnlyImport); |
| | | return this.finishNode(specifier, "ImportSpecifier"); |
| | | } |
| | | |
| | | specifier.importKind = "value"; |
| | | return super.parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly); |
| | | } |
| | | |
| | | parseTypeOnlyImportExportSpecifier(node, isImport, isInTypeOnlyImportExport) { |
| | | const leftOfAsKey = isImport ? "imported" : "local"; |
| | | const rightOfAsKey = isImport ? "local" : "exported"; |
| | | let leftOfAs = node[leftOfAsKey]; |
| | | let rightOfAs; |
| | | let hasTypeSpecifier = false; |
| | | let canParseAsKeyword = true; |
| | | const loc = leftOfAs.loc.start; |
| | | |
| | | if (this.isContextual(93)) { |
| | | const firstAs = this.parseIdentifier(); |
| | | |
| | | if (this.isContextual(93)) { |
| | | const secondAs = this.parseIdentifier(); |
| | | |
| | | if (tokenIsKeywordOrIdentifier(this.state.type)) { |
| | | hasTypeSpecifier = true; |
| | | leftOfAs = firstAs; |
| | | rightOfAs = isImport ? this.parseIdentifier() : this.parseModuleExportName(); |
| | | canParseAsKeyword = false; |
| | | } else { |
| | | rightOfAs = secondAs; |
| | | canParseAsKeyword = false; |
| | | } |
| | | } else if (tokenIsKeywordOrIdentifier(this.state.type)) { |
| | | canParseAsKeyword = false; |
| | | rightOfAs = isImport ? this.parseIdentifier() : this.parseModuleExportName(); |
| | | } else { |
| | | hasTypeSpecifier = true; |
| | | leftOfAs = firstAs; |
| | | } |
| | | } else if (tokenIsKeywordOrIdentifier(this.state.type)) { |
| | | hasTypeSpecifier = true; |
| | | |
| | | if (isImport) { |
| | | leftOfAs = this.parseIdentifier(true); |
| | | |
| | | if (!this.isContextual(93)) { |
| | | this.checkReservedWord(leftOfAs.name, leftOfAs.loc.start, true, true); |
| | | } |
| | | } else { |
| | | leftOfAs = this.parseModuleExportName(); |
| | | } |
| | | } |
| | | |
| | | if (hasTypeSpecifier && isInTypeOnlyImportExport) { |
| | | this.raise(isImport ? TSErrors.TypeModifierIsUsedInTypeImports : TSErrors.TypeModifierIsUsedInTypeExports, { |
| | | at: loc |
| | | }); |
| | | } |
| | | |
| | | node[leftOfAsKey] = leftOfAs; |
| | | node[rightOfAsKey] = rightOfAs; |
| | | const kindKey = isImport ? "importKind" : "exportKind"; |
| | | node[kindKey] = hasTypeSpecifier ? "type" : "value"; |
| | | |
| | | if (canParseAsKeyword && this.eatContextual(93)) { |
| | | node[rightOfAsKey] = isImport ? this.parseIdentifier() : this.parseModuleExportName(); |
| | | } |
| | | |
| | | if (!node[rightOfAsKey]) { |
| | | node[rightOfAsKey] = cloneIdentifier(node[leftOfAsKey]); |
| | | } |
| | | |
| | | if (isImport) { |
| | | this.checkIdentifier(node[rightOfAsKey], BIND_LEXICAL); |
| | | } |
| | | } |
| | | |
| | | }); |
| | | |
| | | const PlaceHolderErrors = makeErrorTemplates({ |
| | | ClassNameIsRequired: "A class name is required." |
| | | }, ErrorCodes.SyntaxError); |
| | | function isPossiblyLiteralEnum(expression) { |
| | | if (expression.type !== "MemberExpression") return false; |
| | | const { |
| | | computed, |
| | | property |
| | | } = expression; |
| | | |
| | | if (computed && property.type !== "StringLiteral" && (property.type !== "TemplateLiteral" || property.expressions.length > 0)) { |
| | | return false; |
| | | } |
| | | |
| | | return isUncomputedMemberExpressionChain(expression.object); |
| | | } |
| | | |
| | | function isUncomputedMemberExpressionChain(expression) { |
| | | if (expression.type === "Identifier") return true; |
| | | if (expression.type !== "MemberExpression") return false; |
| | | if (expression.computed) return false; |
| | | return isUncomputedMemberExpressionChain(expression.object); |
| | | } |
| | | |
| | | const PlaceholderErrors = ParseErrorEnum`placeholders`(_ => ({ |
| | | ClassNameIsRequired: _("A class name is required."), |
| | | UnexpectedSpace: _("Unexpected space in placeholder.") |
| | | })); |
| | | var placeholders = (superClass => class extends superClass { |
| | | parsePlaceholder(expectedNode) { |
| | | if (this.match(131)) { |
| | | if (this.match(140)) { |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | this.assertNoSpace("Unexpected space in placeholder."); |
| | | this.assertNoSpace(); |
| | | node.name = super.parseIdentifier(true); |
| | | this.assertNoSpace("Unexpected space in placeholder."); |
| | | this.expect(131); |
| | | this.assertNoSpace(); |
| | | this.expect(140); |
| | | return this.finishPlaceholder(node, expectedNode); |
| | | } |
| | | } |
| | |
| | | |
| | | getTokenFromCode(code) { |
| | | if (code === 37 && this.input.charCodeAt(this.state.pos + 1) === 37) { |
| | | return this.finishOp(131, 2); |
| | | return this.finishOp(140, 2); |
| | | } |
| | | |
| | | return super.getTokenFromCode(...arguments); |
| | |
| | | return this.parsePlaceholder("Pattern") || super.parseBindingAtom(...arguments); |
| | | } |
| | | |
| | | checkLVal(expr) { |
| | | if (expr.type !== "Placeholder") super.checkLVal(...arguments); |
| | | isValidLVal(type, ...rest) { |
| | | return type === "Placeholder" || super.isValidLVal(type, ...rest); |
| | | } |
| | | |
| | | toAssignable(node) { |
| | | if (node && node.type === "Placeholder" && node.expectedNode === "Expression") { |
| | | node.expectedNode = "Pattern"; |
| | | return node; |
| | | } else { |
| | | super.toAssignable(...arguments); |
| | | } |
| | | |
| | | return super.toAssignable(...arguments); |
| | | } |
| | | |
| | | isLet(context) { |
| | |
| | | return true; |
| | | } |
| | | |
| | | if (!this.isContextual(90)) { |
| | | if (!this.isContextual(99)) { |
| | | return false; |
| | | } |
| | | |
| | | if (context) return false; |
| | | const nextToken = this.lookahead(); |
| | | |
| | | if (nextToken.type === 131) { |
| | | if (nextToken.type === 140) { |
| | | return true; |
| | | } |
| | | |
| | |
| | | const placeholder = this.parsePlaceholder("Identifier"); |
| | | |
| | | if (placeholder) { |
| | | if (this.match(72) || this.match(131) || this.match(5)) { |
| | | if (this.match(81) || this.match(140) || this.match(5)) { |
| | | node.id = placeholder; |
| | | } else if (optionalId || !isStatement) { |
| | | node.id = null; |
| | | node.body = this.finishPlaceholder(placeholder, "ClassBody"); |
| | | return this.finishNode(node, type); |
| | | } else { |
| | | this.unexpected(null, PlaceHolderErrors.ClassNameIsRequired); |
| | | throw this.raise(PlaceholderErrors.ClassNameIsRequired, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } else { |
| | | this.parseClassId(node, isStatement, optionalId); |
| | |
| | | const placeholder = this.parsePlaceholder("Identifier"); |
| | | if (!placeholder) return super.parseExport(...arguments); |
| | | |
| | | if (!this.isContextual(88) && !this.match(12)) { |
| | | if (!this.isContextual(97) && !this.match(12)) { |
| | | node.specifiers = []; |
| | | node.source = null; |
| | | node.declaration = this.finishPlaceholder(placeholder, "Declaration"); |
| | |
| | | } |
| | | |
| | | isExportDefaultSpecifier() { |
| | | if (this.match(56)) { |
| | | if (this.match(65)) { |
| | | const next = this.nextTokenStart(); |
| | | |
| | | if (this.isUnparsedContextual(next, "from")) { |
| | | if (this.input.startsWith(tokenLabelName(131), this.nextTokenStartSince(next + 4))) { |
| | | if (this.input.startsWith(tokenLabelName(140), this.nextTokenStartSince(next + 4))) { |
| | | return true; |
| | | } |
| | | } |
| | |
| | | if (!placeholder) return super.parseImport(...arguments); |
| | | node.specifiers = []; |
| | | |
| | | if (!this.isContextual(88) && !this.match(12)) { |
| | | if (!this.isContextual(97) && !this.match(12)) { |
| | | node.source = this.finishPlaceholder(placeholder, "StringLiteral"); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "ImportDeclaration"); |
| | |
| | | if (!hasStarImport) this.parseNamedImportSpecifiers(node); |
| | | } |
| | | |
| | | this.expectContextual(88); |
| | | this.expectContextual(97); |
| | | node.source = this.parseImportSource(); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "ImportDeclaration"); |
| | |
| | | return this.parsePlaceholder("StringLiteral") || super.parseImportSource(...arguments); |
| | | } |
| | | |
| | | assertNoSpace() { |
| | | if (this.state.start > this.state.lastTokEndLoc.index) { |
| | | this.raise(PlaceholderErrors.UnexpectedSpace, { |
| | | at: this.state.lastTokEndLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | | }); |
| | | |
| | | var v8intrinsic = (superClass => class extends superClass { |
| | | parseV8Intrinsic() { |
| | | if (this.match(45)) { |
| | | const v8IntrinsicStart = this.state.start; |
| | | if (this.match(54)) { |
| | | const v8IntrinsicStartLoc = this.state.startLoc; |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | this.unexpected(v8IntrinsicStart); |
| | | this.unexpected(v8IntrinsicStartLoc); |
| | | } |
| | | } |
| | | |
| | |
| | | |
| | | }); |
| | | |
| | | function hasPlugin(plugins, name) { |
| | | return plugins.some(plugin => { |
| | | if (Array.isArray(plugin)) { |
| | | return plugin[0] === name; |
| | | function hasPlugin(plugins, expectedConfig) { |
| | | const [expectedName, expectedOptions] = typeof expectedConfig === "string" ? [expectedConfig, {}] : expectedConfig; |
| | | const expectedKeys = Object.keys(expectedOptions); |
| | | const expectedOptionsIsEmpty = expectedKeys.length === 0; |
| | | return plugins.some(p => { |
| | | if (typeof p === "string") { |
| | | return expectedOptionsIsEmpty && p === expectedName; |
| | | } else { |
| | | return plugin === name; |
| | | const [pluginName, pluginOptions] = p; |
| | | |
| | | if (pluginName !== expectedName) { |
| | | return false; |
| | | } |
| | | |
| | | for (const key of expectedKeys) { |
| | | if (pluginOptions[key] !== expectedOptions[key]) { |
| | | return false; |
| | | } |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | }); |
| | | } |
| | |
| | | return null; |
| | | } |
| | | const PIPELINE_PROPOSALS = ["minimal", "fsharp", "hack", "smart"]; |
| | | const TOPIC_TOKENS = ["%", "#"]; |
| | | const TOPIC_TOKENS = ["^^", "@@", "^", "%", "#"]; |
| | | const RECORD_AND_TUPLE_SYNTAX_TYPES = ["hash", "bar"]; |
| | | function validatePlugins(plugins) { |
| | | if (hasPlugin(plugins, "decorators")) { |
| | |
| | | throw new Error(`"pipelineOperator" requires "proposal" option whose value must be one of: ${proposalList}.`); |
| | | } |
| | | |
| | | const tupleSyntaxIsHash = hasPlugin(plugins, "recordAndTuple") && getPluginOption(plugins, "recordAndTuple", "syntaxType") === "hash"; |
| | | const tupleSyntaxIsHash = hasPlugin(plugins, ["recordAndTuple", { |
| | | syntaxType: "hash" |
| | | }]); |
| | | |
| | | if (proposal === "hack") { |
| | | if (hasPlugin(plugins, "placeholders")) { |
| | |
| | | const defaultOptions = { |
| | | sourceType: "script", |
| | | sourceFilename: undefined, |
| | | startColumn: 0, |
| | | startLine: 1, |
| | | allowAwaitOutsideFunction: false, |
| | | allowReturnOutsideFunction: false, |
| | |
| | | return options; |
| | | } |
| | | |
| | | const getOwn = (object, key) => Object.hasOwnProperty.call(object, key) && object[key]; |
| | | |
| | | const unwrapParenthesizedExpression = node => { |
| | | return node.type === "ParenthesizedExpression" ? unwrapParenthesizedExpression(node.expression) : node; |
| | | }; |
| | |
| | | |
| | | if (isLHS) { |
| | | if (parenthesized.type === "Identifier") { |
| | | this.expressionScope.recordParenthesizedIdentifierError(node.start, ErrorMessages.InvalidParenthesizedAssignment); |
| | | this.expressionScope.recordArrowParemeterBindingError(Errors.InvalidParenthesizedAssignment, { |
| | | at: node |
| | | }); |
| | | } else if (parenthesized.type !== "MemberExpression") { |
| | | this.raise(node.start, ErrorMessages.InvalidParenthesizedAssignment); |
| | | this.raise(Errors.InvalidParenthesizedAssignment, { |
| | | at: node |
| | | }); |
| | | } |
| | | } else { |
| | | this.raise(node.start, ErrorMessages.InvalidParenthesizedAssignment); |
| | | this.raise(Errors.InvalidParenthesizedAssignment, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | const isLast = i === last; |
| | | this.toAssignableObjectExpressionProp(prop, isLast, isLHS); |
| | | |
| | | if (isLast && prop.type === "RestElement" && (_node$extra2 = node.extra) != null && _node$extra2.trailingComma) { |
| | | this.raiseRestNotLast(node.extra.trailingComma); |
| | | if (isLast && prop.type === "RestElement" && (_node$extra2 = node.extra) != null && _node$extra2.trailingCommaLoc) { |
| | | this.raise(Errors.RestTrailingComma, { |
| | | at: node.extra.trailingCommaLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "ObjectProperty": |
| | | this.toAssignable(node.value, isLHS); |
| | | break; |
| | | { |
| | | const { |
| | | key, |
| | | value |
| | | } = node; |
| | | |
| | | if (this.isPrivateName(key)) { |
| | | this.classScope.usePrivateName(this.getPrivateNameSV(key), key.loc.start); |
| | | } |
| | | |
| | | this.toAssignable(value, isLHS); |
| | | break; |
| | | } |
| | | |
| | | case "SpreadElement": |
| | | { |
| | | this.checkToRestConversion(node); |
| | | node.type = "RestElement"; |
| | | const arg = node.argument; |
| | | this.toAssignable(arg, isLHS); |
| | | break; |
| | | throw new Error("Internal @babel/parser error (this is a bug, please report it)." + " SpreadElement should be converted by .toAssignable's caller."); |
| | | } |
| | | |
| | | case "ArrayExpression": |
| | | node.type = "ArrayPattern"; |
| | | this.toAssignableList(node.elements, (_node$extra3 = node.extra) == null ? void 0 : _node$extra3.trailingComma, isLHS); |
| | | this.toAssignableList(node.elements, (_node$extra3 = node.extra) == null ? void 0 : _node$extra3.trailingCommaLoc, isLHS); |
| | | break; |
| | | |
| | | case "AssignmentExpression": |
| | | if (node.operator !== "=") { |
| | | this.raise(node.left.end, ErrorMessages.MissingEqInAssignment); |
| | | this.raise(Errors.MissingEqInAssignment, { |
| | | at: node.left.loc.end |
| | | }); |
| | | } |
| | | |
| | | node.type = "AssignmentPattern"; |
| | |
| | | this.toAssignable(parenthesized, isLHS); |
| | | break; |
| | | } |
| | | |
| | | return node; |
| | | } |
| | | |
| | | toAssignableObjectExpressionProp(prop, isLast, isLHS) { |
| | | if (prop.type === "ObjectMethod") { |
| | | const error = prop.kind === "get" || prop.kind === "set" ? ErrorMessages.PatternHasAccessor : ErrorMessages.PatternHasMethod; |
| | | this.raise(prop.key.start, error); |
| | | } else if (prop.type === "SpreadElement" && !isLast) { |
| | | this.raiseRestNotLast(prop.start); |
| | | this.raise(prop.kind === "get" || prop.kind === "set" ? Errors.PatternHasAccessor : Errors.PatternHasMethod, { |
| | | at: prop.key |
| | | }); |
| | | } else if (prop.type === "SpreadElement") { |
| | | prop.type = "RestElement"; |
| | | const arg = prop.argument; |
| | | this.checkToRestConversion(arg, false); |
| | | this.toAssignable(arg, isLHS); |
| | | |
| | | if (!isLast) { |
| | | this.raise(Errors.RestTrailingComma, { |
| | | at: prop |
| | | }); |
| | | } |
| | | } else { |
| | | this.toAssignable(prop, isLHS); |
| | | } |
| | | } |
| | | |
| | | toAssignableList(exprList, trailingCommaPos, isLHS) { |
| | | let end = exprList.length; |
| | | toAssignableList(exprList, trailingCommaLoc, isLHS) { |
| | | const end = exprList.length - 1; |
| | | |
| | | if (end) { |
| | | const last = exprList[end - 1]; |
| | | |
| | | if ((last == null ? void 0 : last.type) === "RestElement") { |
| | | --end; |
| | | } else if ((last == null ? void 0 : last.type) === "SpreadElement") { |
| | | last.type = "RestElement"; |
| | | let arg = last.argument; |
| | | this.toAssignable(arg, isLHS); |
| | | arg = unwrapParenthesizedExpression(arg); |
| | | |
| | | if (arg.type !== "Identifier" && arg.type !== "MemberExpression" && arg.type !== "ArrayPattern" && arg.type !== "ObjectPattern") { |
| | | this.unexpected(arg.start); |
| | | } |
| | | |
| | | if (trailingCommaPos) { |
| | | this.raiseTrailingCommaAfterRest(trailingCommaPos); |
| | | } |
| | | |
| | | --end; |
| | | } |
| | | } |
| | | |
| | | for (let i = 0; i < end; i++) { |
| | | for (let i = 0; i <= end; i++) { |
| | | const elt = exprList[i]; |
| | | if (!elt) continue; |
| | | |
| | | if (elt) { |
| | | if (elt.type === "SpreadElement") { |
| | | elt.type = "RestElement"; |
| | | const arg = elt.argument; |
| | | this.checkToRestConversion(arg, true); |
| | | this.toAssignable(arg, isLHS); |
| | | } else { |
| | | this.toAssignable(elt, isLHS); |
| | | } |
| | | |
| | | if (elt.type === "RestElement") { |
| | | this.raiseRestNotLast(elt.start); |
| | | if (elt.type === "RestElement") { |
| | | if (i < end) { |
| | | this.raise(Errors.RestTrailingComma, { |
| | | at: elt |
| | | }); |
| | | } else if (trailingCommaLoc) { |
| | | this.raise(Errors.RestTrailingComma, { |
| | | at: trailingCommaLoc |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | return exprList; |
| | | } |
| | | |
| | | isAssignable(node, isBinding) { |
| | |
| | | break; |
| | | } else if (this.match(21)) { |
| | | elts.push(this.parseAssignableListItemTypes(this.parseRestBinding())); |
| | | this.checkCommaAfterRest(closeCharCode); |
| | | this.expect(close); |
| | | break; |
| | | |
| | | if (!this.checkCommaAfterRest(closeCharCode)) { |
| | | this.expect(close); |
| | | break; |
| | | } |
| | | } else { |
| | | const decorators = []; |
| | | |
| | | if (this.match(24) && this.hasPlugin("decorators")) { |
| | | this.raise(this.state.start, ErrorMessages.UnsupportedParameterDecorator); |
| | | if (this.match(26) && this.hasPlugin("decorators")) { |
| | | this.raise(Errors.UnsupportedParameterDecorator, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | while (this.match(24)) { |
| | | while (this.match(26)) { |
| | | decorators.push(this.parseDecorator()); |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | return elts; |
| | | } |
| | | |
| | | parseBindingRestProperty(prop) { |
| | | this.next(); |
| | | prop.argument = this.parseIdentifier(); |
| | | this.checkCommaAfterRest(125); |
| | | return this.finishNode(prop, "RestElement"); |
| | | } |
| | | |
| | | parseBindingProperty() { |
| | | const prop = this.startNode(); |
| | | const { |
| | | type, |
| | | start: startPos, |
| | | startLoc |
| | | } = this.state; |
| | | |
| | | if (type === 21) { |
| | | return this.parseBindingRestProperty(prop); |
| | | } else if (type === 134) { |
| | | this.expectPlugin("destructuringPrivate", startLoc); |
| | | this.classScope.usePrivateName(this.state.value, startLoc); |
| | | prop.key = this.parsePrivateName(); |
| | | } else { |
| | | this.parsePropertyName(prop); |
| | | } |
| | | |
| | | prop.method = false; |
| | | this.parseObjPropValue(prop, startPos, startLoc, false, false, true, false); |
| | | return prop; |
| | | } |
| | | |
| | | parseAssignableListItem(allowModifiers, decorators) { |
| | |
| | | startLoc = (_startLoc = startLoc) != null ? _startLoc : this.state.startLoc; |
| | | startPos = (_startPos = startPos) != null ? _startPos : this.state.start; |
| | | left = (_left = left) != null ? _left : this.parseBindingAtom(); |
| | | if (!this.eat(27)) return left; |
| | | if (!this.eat(29)) return left; |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | node.left = left; |
| | | node.right = this.parseMaybeAssignAllowIn(); |
| | | return this.finishNode(node, "AssignmentPattern"); |
| | | } |
| | | |
| | | checkLVal(expr, contextDescription, bindingType = BIND_NONE, checkClashes, disallowLetBinding, strictModeChanged = false) { |
| | | switch (expr.type) { |
| | | case "Identifier": |
| | | { |
| | | const { |
| | | name |
| | | } = expr; |
| | | |
| | | if (this.state.strict && (strictModeChanged ? isStrictBindReservedWord(name, this.inModule) : isStrictBindOnlyReservedWord(name))) { |
| | | this.raise(expr.start, bindingType === BIND_NONE ? ErrorMessages.StrictEvalArguments : ErrorMessages.StrictEvalArgumentsBinding, name); |
| | | } |
| | | |
| | | if (checkClashes) { |
| | | if (checkClashes.has(name)) { |
| | | this.raise(expr.start, ErrorMessages.ParamDupe); |
| | | } else { |
| | | checkClashes.add(name); |
| | | } |
| | | } |
| | | |
| | | if (disallowLetBinding && name === "let") { |
| | | this.raise(expr.start, ErrorMessages.LetInLexicalBinding); |
| | | } |
| | | |
| | | if (!(bindingType & BIND_NONE)) { |
| | | this.scope.declareName(name, bindingType, expr.start); |
| | | } |
| | | |
| | | break; |
| | | } |
| | | |
| | | case "MemberExpression": |
| | | if (bindingType !== BIND_NONE) { |
| | | this.raise(expr.start, ErrorMessages.InvalidPropertyBindingPattern); |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "ObjectPattern": |
| | | for (let prop of expr.properties) { |
| | | if (this.isObjectProperty(prop)) prop = prop.value;else if (this.isObjectMethod(prop)) continue; |
| | | this.checkLVal(prop, "object destructuring pattern", bindingType, checkClashes, disallowLetBinding); |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "ArrayPattern": |
| | | for (const elem of expr.elements) { |
| | | if (elem) { |
| | | this.checkLVal(elem, "array destructuring pattern", bindingType, checkClashes, disallowLetBinding); |
| | | } |
| | | } |
| | | |
| | | break; |
| | | |
| | | case "AssignmentPattern": |
| | | this.checkLVal(expr.left, "assignment pattern", bindingType, checkClashes); |
| | | break; |
| | | |
| | | case "RestElement": |
| | | this.checkLVal(expr.argument, "rest element", bindingType, checkClashes); |
| | | break; |
| | | |
| | | case "ParenthesizedExpression": |
| | | this.checkLVal(expr.expression, "parenthesized expression", bindingType, checkClashes); |
| | | break; |
| | | |
| | | default: |
| | | { |
| | | this.raise(expr.start, bindingType === BIND_NONE ? ErrorMessages.InvalidLhs : ErrorMessages.InvalidLhsBinding, contextDescription); |
| | | } |
| | | } |
| | | isValidLVal(type, isUnparenthesizedInAssign, binding) { |
| | | return getOwn({ |
| | | AssignmentPattern: "left", |
| | | RestElement: "argument", |
| | | ObjectProperty: "value", |
| | | ParenthesizedExpression: "expression", |
| | | ArrayPattern: "elements", |
| | | ObjectPattern: "properties" |
| | | }, type); |
| | | } |
| | | |
| | | checkToRestConversion(node) { |
| | | if (node.argument.type !== "Identifier" && node.argument.type !== "MemberExpression") { |
| | | this.raise(node.argument.start, ErrorMessages.InvalidRestAssignmentPattern); |
| | | } |
| | | } |
| | | checkLVal(expression, { |
| | | in: ancestor, |
| | | binding = BIND_NONE, |
| | | checkClashes = false, |
| | | strictModeChanged = false, |
| | | allowingSloppyLetBinding = !(binding & BIND_SCOPE_LEXICAL), |
| | | hasParenthesizedAncestor = false |
| | | }) { |
| | | var _expression$extra; |
| | | |
| | | checkCommaAfterRest(close) { |
| | | if (this.match(12)) { |
| | | if (this.lookaheadCharCode() === close) { |
| | | this.raiseTrailingCommaAfterRest(this.state.start); |
| | | } else { |
| | | this.raiseRestNotLast(this.state.start); |
| | | const type = expression.type; |
| | | if (this.isObjectMethod(expression)) return; |
| | | |
| | | if (type === "MemberExpression") { |
| | | if (binding !== BIND_NONE) { |
| | | this.raise(Errors.InvalidPropertyBindingPattern, { |
| | | at: expression |
| | | }); |
| | | } |
| | | |
| | | return; |
| | | } |
| | | |
| | | if (expression.type === "Identifier") { |
| | | this.checkIdentifier(expression, binding, strictModeChanged, allowingSloppyLetBinding); |
| | | const { |
| | | name |
| | | } = expression; |
| | | |
| | | if (checkClashes) { |
| | | if (checkClashes.has(name)) { |
| | | this.raise(Errors.ParamDupe, { |
| | | at: expression |
| | | }); |
| | | } else { |
| | | checkClashes.add(name); |
| | | } |
| | | } |
| | | |
| | | return; |
| | | } |
| | | |
| | | const validity = this.isValidLVal(expression.type, !(hasParenthesizedAncestor || (_expression$extra = expression.extra) != null && _expression$extra.parenthesized) && ancestor.type === "AssignmentExpression", binding); |
| | | if (validity === true) return; |
| | | |
| | | if (validity === false) { |
| | | const ParseErrorClass = binding === BIND_NONE ? Errors.InvalidLhs : Errors.InvalidLhsBinding; |
| | | this.raise(ParseErrorClass, { |
| | | at: expression, |
| | | ancestor: ancestor.type === "UpdateExpression" ? { |
| | | type: "UpdateExpression", |
| | | prefix: ancestor.prefix |
| | | } : { |
| | | type: ancestor.type |
| | | } |
| | | }); |
| | | return; |
| | | } |
| | | |
| | | const [key, isParenthesizedExpression] = Array.isArray(validity) ? validity : [validity, type === "ParenthesizedExpression"]; |
| | | const nextAncestor = expression.type === "ArrayPattern" || expression.type === "ObjectPattern" || expression.type === "ParenthesizedExpression" ? expression : ancestor; |
| | | |
| | | for (const child of [].concat(expression[key])) { |
| | | if (child) { |
| | | this.checkLVal(child, { |
| | | in: nextAncestor, |
| | | binding, |
| | | checkClashes, |
| | | allowingSloppyLetBinding, |
| | | strictModeChanged, |
| | | hasParenthesizedAncestor: isParenthesizedExpression |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | raiseRestNotLast(pos) { |
| | | throw this.raise(pos, ErrorMessages.ElementAfterRest); |
| | | checkIdentifier(at, bindingType, strictModeChanged = false, allowLetBinding = !(bindingType & BIND_SCOPE_LEXICAL)) { |
| | | if (this.state.strict && (strictModeChanged ? isStrictBindReservedWord(at.name, this.inModule) : isStrictBindOnlyReservedWord(at.name))) { |
| | | if (bindingType === BIND_NONE) { |
| | | this.raise(Errors.StrictEvalArguments, { |
| | | at, |
| | | referenceName: at.name |
| | | }); |
| | | } else { |
| | | this.raise(Errors.StrictEvalArgumentsBinding, { |
| | | at, |
| | | bindingName: at.name |
| | | }); |
| | | } |
| | | } |
| | | |
| | | if (!allowLetBinding && at.name === "let") { |
| | | this.raise(Errors.LetInLexicalBinding, { |
| | | at |
| | | }); |
| | | } |
| | | |
| | | if (!(bindingType & BIND_NONE)) { |
| | | this.declareNameFromIdentifier(at, bindingType); |
| | | } |
| | | } |
| | | |
| | | raiseTrailingCommaAfterRest(pos) { |
| | | this.raise(pos, ErrorMessages.RestTrailingComma); |
| | | declareNameFromIdentifier(identifier, binding) { |
| | | this.scope.declareName(identifier.name, binding, identifier.loc.start); |
| | | } |
| | | |
| | | checkToRestConversion(node, allowPattern) { |
| | | switch (node.type) { |
| | | case "ParenthesizedExpression": |
| | | this.checkToRestConversion(node.expression, allowPattern); |
| | | break; |
| | | |
| | | case "Identifier": |
| | | case "MemberExpression": |
| | | break; |
| | | |
| | | case "ArrayExpression": |
| | | case "ObjectExpression": |
| | | if (allowPattern) break; |
| | | |
| | | default: |
| | | this.raise(Errors.InvalidRestAssignmentPattern, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | | checkCommaAfterRest(close) { |
| | | if (!this.match(12)) { |
| | | return false; |
| | | } |
| | | |
| | | this.raise(this.lookaheadCharCode() === close ? Errors.RestTrailingComma : Errors.ElementAfterRest, { |
| | | at: this.state.startLoc |
| | | }); |
| | | return true; |
| | | } |
| | | |
| | | } |
| | | |
| | | const invalidHackPipeBodies = new Map([["ArrowFunctionExpression", "arrow function"], ["AssignmentExpression", "assignment"], ["ConditionalExpression", "conditional"], ["YieldExpression", "yield"]]); |
| | | class ExpressionParser extends LValParser { |
| | | checkProto(prop, isRecord, protoRef, refExpressionErrors) { |
| | | if (prop.type === "SpreadElement" || this.isObjectMethod(prop) || prop.computed || prop.shorthand) { |
| | |
| | | |
| | | if (name === "__proto__") { |
| | | if (isRecord) { |
| | | this.raise(key.start, ErrorMessages.RecordNoProto); |
| | | this.raise(Errors.RecordNoProto, { |
| | | at: key |
| | | }); |
| | | return; |
| | | } |
| | | |
| | | if (protoRef.used) { |
| | | if (refExpressionErrors) { |
| | | if (refExpressionErrors.doubleProto === -1) { |
| | | refExpressionErrors.doubleProto = key.start; |
| | | if (refExpressionErrors.doubleProtoLoc === null) { |
| | | refExpressionErrors.doubleProtoLoc = key.loc.start; |
| | | } |
| | | } else { |
| | | this.raise(key.start, ErrorMessages.DuplicateProto); |
| | | this.raise(Errors.DuplicateProto, { |
| | | at: key |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | this.nextToken(); |
| | | const expr = this.parseExpression(); |
| | | |
| | | if (!this.match(126)) { |
| | | if (!this.match(135)) { |
| | | this.unexpected(); |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | setOptionalParametersError(refExpressionErrors, resultError) { |
| | | var _resultError$pos; |
| | | var _resultError$loc; |
| | | |
| | | refExpressionErrors.optionalParameters = (_resultError$pos = resultError == null ? void 0 : resultError.pos) != null ? _resultError$pos : this.state.start; |
| | | refExpressionErrors.optionalParametersLoc = (_resultError$loc = resultError == null ? void 0 : resultError.loc) != null ? _resultError$loc : this.state.startLoc; |
| | | } |
| | | |
| | | parseMaybeAssign(refExpressionErrors, afterLeftParse) { |
| | | const startPos = this.state.start; |
| | | const startLoc = this.state.startLoc; |
| | | |
| | | if (this.isContextual(96)) { |
| | | if (this.isContextual(105)) { |
| | | if (this.prodParam.hasYield) { |
| | | let left = this.parseYield(); |
| | | |
| | |
| | | const operator = this.state.value; |
| | | node.operator = operator; |
| | | |
| | | if (this.match(27)) { |
| | | node.left = this.toAssignable(left, true); |
| | | refExpressionErrors.doubleProto = -1; |
| | | if (this.match(29)) { |
| | | this.toAssignable(left, true); |
| | | node.left = left; |
| | | |
| | | if (refExpressionErrors.doubleProtoLoc != null && refExpressionErrors.doubleProtoLoc.index >= startPos) { |
| | | refExpressionErrors.doubleProtoLoc = null; |
| | | } |
| | | |
| | | if (refExpressionErrors.shorthandAssignLoc != null && refExpressionErrors.shorthandAssignLoc.index >= startPos) { |
| | | refExpressionErrors.shorthandAssignLoc = null; |
| | | } |
| | | |
| | | if (refExpressionErrors.privateKeyLoc != null && refExpressionErrors.privateKeyLoc.index >= startPos) { |
| | | this.checkDestructuringPrivate(refExpressionErrors); |
| | | refExpressionErrors.privateKeyLoc = null; |
| | | } |
| | | } else { |
| | | node.left = left; |
| | | } |
| | | |
| | | if (refExpressionErrors.shorthandAssign >= node.left.start) { |
| | | refExpressionErrors.shorthandAssign = -1; |
| | | } |
| | | |
| | | this.checkLVal(left, "assignment expression"); |
| | | this.next(); |
| | | node.right = this.parseMaybeAssign(); |
| | | return this.finishNode(node, "AssignmentExpression"); |
| | | this.checkLVal(left, { |
| | | in: this.finishNode(node, "AssignmentExpression") |
| | | }); |
| | | return node; |
| | | } else if (ownExpressionErrors) { |
| | | this.checkExpressionErrors(refExpressionErrors, true); |
| | | } |
| | |
| | | } |
| | | |
| | | parseMaybeUnaryOrPrivate(refExpressionErrors) { |
| | | return this.match(125) ? this.parsePrivateName() : this.parseMaybeUnary(refExpressionErrors); |
| | | return this.match(134) ? this.parsePrivateName() : this.parseMaybeUnary(refExpressionErrors); |
| | | } |
| | | |
| | | parseExprOps(refExpressionErrors) { |
| | |
| | | parseExprOp(left, leftStartPos, leftStartLoc, minPrec) { |
| | | if (this.isPrivateName(left)) { |
| | | const value = this.getPrivateNameSV(left); |
| | | const { |
| | | start |
| | | } = left; |
| | | |
| | | if (minPrec >= tokenOperatorPrecedence(49) || !this.prodParam.hasIn || !this.match(49)) { |
| | | this.raise(start, ErrorMessages.PrivateInExpectedIn, value); |
| | | if (minPrec >= tokenOperatorPrecedence(58) || !this.prodParam.hasIn || !this.match(58)) { |
| | | this.raise(Errors.PrivateInExpectedIn, { |
| | | at: left, |
| | | identifierName: value |
| | | }); |
| | | } |
| | | |
| | | this.classScope.usePrivateName(value, start); |
| | | this.classScope.usePrivateName(value, left.loc.start); |
| | | } |
| | | |
| | | const op = this.state.type; |
| | | |
| | | if (tokenIsOperator(op) && (this.prodParam.hasIn || !this.match(49))) { |
| | | if (tokenIsOperator(op) && (this.prodParam.hasIn || !this.match(58))) { |
| | | let prec = tokenOperatorPrecedence(op); |
| | | |
| | | if (prec > minPrec) { |
| | | if (op === 34) { |
| | | if (op === 39) { |
| | | this.expectPlugin("pipelineOperator"); |
| | | |
| | | if (this.state.inFSharpPipelineDirectBody) { |
| | | return left; |
| | | } |
| | | |
| | | this.checkPipelineAtInfixOperator(left, leftStartPos); |
| | | this.checkPipelineAtInfixOperator(left, leftStartLoc); |
| | | } |
| | | |
| | | const node = this.startNodeAt(leftStartPos, leftStartLoc); |
| | | node.left = left; |
| | | node.operator = this.state.value; |
| | | const logical = op === 36 || op === 37; |
| | | const coalesce = op === 35; |
| | | const logical = op === 41 || op === 42; |
| | | const coalesce = op === 40; |
| | | |
| | | if (coalesce) { |
| | | prec = tokenOperatorPrecedence(37); |
| | | prec = tokenOperatorPrecedence(42); |
| | | } |
| | | |
| | | this.next(); |
| | | |
| | | if (op === 34 && this.getPluginOption("pipelineOperator", "proposal") === "minimal") { |
| | | if (this.state.type === 87 && this.prodParam.hasAwait) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnexpectedAwaitAfterPipelineBody); |
| | | if (op === 39 && this.hasPlugin(["pipelineOperator", { |
| | | proposal: "minimal" |
| | | }])) { |
| | | if (this.state.type === 96 && this.prodParam.hasAwait) { |
| | | throw this.raise(Errors.UnexpectedAwaitAfterPipelineBody, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | this.finishNode(node, logical || coalesce ? "LogicalExpression" : "BinaryExpression"); |
| | | const nextOp = this.state.type; |
| | | |
| | | if (coalesce && (nextOp === 36 || nextOp === 37) || logical && nextOp === 35) { |
| | | throw this.raise(this.state.start, ErrorMessages.MixingCoalesceWithLogical); |
| | | if (coalesce && (nextOp === 41 || nextOp === 42) || logical && nextOp === 40) { |
| | | throw this.raise(Errors.MixingCoalesceWithLogical, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec); |
| | |
| | | const startLoc = this.state.startLoc; |
| | | |
| | | switch (op) { |
| | | case 34: |
| | | case 39: |
| | | switch (this.getPluginOption("pipelineOperator", "proposal")) { |
| | | case "hack": |
| | | return this.withTopicBindingContext(() => { |
| | |
| | | |
| | | case "smart": |
| | | return this.withTopicBindingContext(() => { |
| | | if (this.prodParam.hasYield && this.isContextual(96)) { |
| | | throw this.raise(this.state.start, ErrorMessages.PipeBodyIsTighter, this.state.value); |
| | | if (this.prodParam.hasYield && this.isContextual(105)) { |
| | | throw this.raise(Errors.PipeBodyIsTighter, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | return this.parseSmartPipelineBodyInStyle(this.parseExprOpBaseRightExpr(op, prec), startPos, startLoc); |
| | |
| | | var _body$extra; |
| | | |
| | | const { |
| | | start |
| | | startLoc |
| | | } = this.state; |
| | | const body = this.parseMaybeAssign(); |
| | | const requiredParentheses = UnparenthesizedPipeBodyDescriptions.has(body.type); |
| | | |
| | | if (invalidHackPipeBodies.has(body.type) && !((_body$extra = body.extra) != null && _body$extra.parenthesized)) { |
| | | this.raise(start, ErrorMessages.PipeUnparenthesizedBody, invalidHackPipeBodies.get(body.type)); |
| | | if (requiredParentheses && !((_body$extra = body.extra) != null && _body$extra.parenthesized)) { |
| | | this.raise(Errors.PipeUnparenthesizedBody, { |
| | | at: startLoc, |
| | | type: body.type |
| | | }); |
| | | } |
| | | |
| | | if (!this.topicReferenceWasUsedInCurrentContext()) { |
| | | this.raise(start, ErrorMessages.PipeTopicUnused); |
| | | this.raise(Errors.PipeTopicUnused, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | return body; |
| | | } |
| | | |
| | | checkExponentialAfterUnary(node) { |
| | | if (this.match(48)) { |
| | | this.raise(node.argument.start, ErrorMessages.UnexpectedTokenUnaryExponentiation); |
| | | if (this.match(57)) { |
| | | this.raise(Errors.UnexpectedTokenUnaryExponentiation, { |
| | | at: node.argument |
| | | }); |
| | | } |
| | | } |
| | | |
| | | parseMaybeUnary(refExpressionErrors, sawUnary) { |
| | | const startPos = this.state.start; |
| | | const startLoc = this.state.startLoc; |
| | | const isAwait = this.isContextual(87); |
| | | const isAwait = this.isContextual(96); |
| | | |
| | | if (isAwait && this.isAwaitAllowed()) { |
| | | this.next(); |
| | |
| | | return expr; |
| | | } |
| | | |
| | | const update = this.match(31); |
| | | const update = this.match(34); |
| | | const node = this.startNode(); |
| | | |
| | | if (tokenIsPrefix(this.state.type)) { |
| | | node.operator = this.state.value; |
| | | node.prefix = true; |
| | | |
| | | if (this.match(63)) { |
| | | if (this.match(72)) { |
| | | this.expectPlugin("throwExpressions"); |
| | | } |
| | | |
| | | const isDelete = this.match(80); |
| | | const isDelete = this.match(89); |
| | | this.next(); |
| | | node.argument = this.parseMaybeUnary(null, true); |
| | | this.checkExpressionErrors(refExpressionErrors, true); |
| | |
| | | const arg = node.argument; |
| | | |
| | | if (arg.type === "Identifier") { |
| | | this.raise(node.start, ErrorMessages.StrictDelete); |
| | | this.raise(Errors.StrictDelete, { |
| | | at: node |
| | | }); |
| | | } else if (this.hasPropertyAsPrivateName(arg)) { |
| | | this.raise(node.start, ErrorMessages.DeletePrivateField); |
| | | this.raise(Errors.DeletePrivateField, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | const { |
| | | type |
| | | } = this.state; |
| | | const startsExpr = this.hasPlugin("v8intrinsic") ? tokenCanStartExpression(type) : tokenCanStartExpression(type) && !this.match(45); |
| | | const startsExpr = this.hasPlugin("v8intrinsic") ? tokenCanStartExpression(type) : tokenCanStartExpression(type) && !this.match(54); |
| | | |
| | | if (startsExpr && !this.isAmbiguousAwait()) { |
| | | this.raiseOverwrite(startPos, ErrorMessages.AwaitNotInAsyncContext); |
| | | this.raiseOverwrite(Errors.AwaitNotInAsyncContext, { |
| | | at: startLoc |
| | | }); |
| | | return this.parseAwait(startPos, startLoc); |
| | | } |
| | | } |
| | |
| | | |
| | | parseUpdate(node, update, refExpressionErrors) { |
| | | if (update) { |
| | | this.checkLVal(node.argument, "prefix operation"); |
| | | return this.finishNode(node, "UpdateExpression"); |
| | | this.checkLVal(node.argument, { |
| | | in: this.finishNode(node, "UpdateExpression") |
| | | }); |
| | | return node; |
| | | } |
| | | |
| | | const startPos = this.state.start; |
| | |
| | | node.operator = this.state.value; |
| | | node.prefix = false; |
| | | node.argument = expr; |
| | | this.checkLVal(expr, "postfix operation"); |
| | | this.next(); |
| | | expr = this.finishNode(node, "UpdateExpression"); |
| | | this.checkLVal(expr, { |
| | | in: expr = this.finishNode(node, "UpdateExpression") |
| | | }); |
| | | } |
| | | |
| | | return expr; |
| | |
| | | } |
| | | |
| | | parseSubscript(base, startPos, startLoc, noCalls, state) { |
| | | if (!noCalls && this.eat(15)) { |
| | | const { |
| | | type |
| | | } = this.state; |
| | | |
| | | if (!noCalls && type === 15) { |
| | | return this.parseBind(base, startPos, startLoc, noCalls, state); |
| | | } else if (this.match(22)) { |
| | | } else if (tokenIsTemplate(type)) { |
| | | return this.parseTaggedTemplateExpression(base, startPos, startLoc, state); |
| | | } |
| | | |
| | | let optional = false; |
| | | |
| | | if (this.match(18)) { |
| | | if (type === 18) { |
| | | if (noCalls && this.lookaheadCharCode() === 40) { |
| | | state.stop = true; |
| | | return base; |
| | |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | node.object = base; |
| | | node.computed = computed; |
| | | const privateName = !computed && this.match(125) && this.state.value; |
| | | const property = computed ? this.parseExpression() : privateName ? this.parsePrivateName() : this.parseIdentifier(true); |
| | | |
| | | if (privateName !== false) { |
| | | if (node.object.type === "Super") { |
| | | this.raise(startPos, ErrorMessages.SuperPrivateField); |
| | | } |
| | | |
| | | this.classScope.usePrivateName(privateName, property.start); |
| | | } |
| | | |
| | | node.property = property; |
| | | |
| | | if (computed) { |
| | | node.property = this.parseExpression(); |
| | | this.expect(3); |
| | | } else if (this.match(134)) { |
| | | if (base.type === "Super") { |
| | | this.raise(Errors.SuperPrivateField, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | this.classScope.usePrivateName(this.state.value, this.state.startLoc); |
| | | node.property = this.parsePrivateName(); |
| | | } else { |
| | | node.property = this.parseIdentifier(true); |
| | | } |
| | | |
| | | if (state.optionalChainMember) { |
| | |
| | | parseBind(base, startPos, startLoc, noCalls, state) { |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | node.object = base; |
| | | this.next(); |
| | | node.callee = this.parseNoCallExpr(); |
| | | state.stop = true; |
| | | return this.parseSubscripts(this.finishNode(node, "BindExpression"), startPos, startLoc, noCalls); |
| | |
| | | this.next(); |
| | | let node = this.startNodeAt(startPos, startLoc); |
| | | node.callee = base; |
| | | const { |
| | | maybeAsyncArrow, |
| | | optionalChainMember |
| | | } = state; |
| | | |
| | | if (state.maybeAsyncArrow) { |
| | | if (maybeAsyncArrow) { |
| | | this.expressionScope.enter(newAsyncArrowScope()); |
| | | refExpressionErrors = new ExpressionErrors(); |
| | | } |
| | | |
| | | if (state.optionalChainMember) { |
| | | if (optionalChainMember) { |
| | | node.optional = optional; |
| | | } |
| | | |
| | |
| | | node.arguments = this.parseCallExpressionArguments(11, base.type === "Import", base.type !== "Super", node, refExpressionErrors); |
| | | } |
| | | |
| | | this.finishCallExpression(node, state.optionalChainMember); |
| | | this.finishCallExpression(node, optionalChainMember); |
| | | |
| | | if (state.maybeAsyncArrow && this.shouldParseAsyncArrow() && !optional) { |
| | | if (maybeAsyncArrow && this.shouldParseAsyncArrow() && !optional) { |
| | | state.stop = true; |
| | | this.checkDestructuringPrivate(refExpressionErrors); |
| | | this.expressionScope.validateAsPattern(); |
| | | this.expressionScope.exit(); |
| | | node = this.parseAsyncArrowFromCallExpression(this.startNodeAt(startPos, startLoc), node); |
| | | } else { |
| | | if (state.maybeAsyncArrow) { |
| | | if (maybeAsyncArrow) { |
| | | this.checkExpressionErrors(refExpressionErrors, true); |
| | | this.expressionScope.exit(); |
| | | } |
| | |
| | | node.quasi = this.parseTemplate(true); |
| | | |
| | | if (state.optionalChainMember) { |
| | | this.raise(startPos, ErrorMessages.OptionalChainingNoTemplate); |
| | | this.raise(Errors.OptionalChainingNoTemplate, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | return this.finishNode(node, "TaggedTemplateExpression"); |
| | | } |
| | | |
| | | atPossibleAsyncArrow(base) { |
| | | return base.type === "Identifier" && base.name === "async" && this.state.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && base.start === this.state.potentialArrowAt; |
| | | return base.type === "Identifier" && base.name === "async" && this.state.lastTokEndLoc.index === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && base.start === this.state.potentialArrowAt; |
| | | } |
| | | |
| | | finishCallExpression(node, optional) { |
| | |
| | | } |
| | | |
| | | if (node.arguments.length === 0 || node.arguments.length > 2) { |
| | | this.raise(node.start, ErrorMessages.ImportCallArity, this.hasPlugin("importAssertions") || this.hasPlugin("moduleAttributes") ? "one or two arguments" : "one argument"); |
| | | this.raise(Errors.ImportCallArity, { |
| | | at: node, |
| | | maxArgumentCount: this.hasPlugin("importAssertions") || this.hasPlugin("moduleAttributes") ? 2 : 1 |
| | | }); |
| | | } else { |
| | | for (const arg of node.arguments) { |
| | | if (arg.type === "SpreadElement") { |
| | | this.raise(arg.start, ErrorMessages.ImportCallSpreadArgument); |
| | | this.raise(Errors.ImportCallSpreadArgument, { |
| | | at: arg |
| | | }); |
| | | } |
| | | } |
| | | } |
| | |
| | | |
| | | if (this.match(close)) { |
| | | if (dynamicImport && !this.hasPlugin("importAssertions") && !this.hasPlugin("moduleAttributes")) { |
| | | this.raise(this.state.lastTokStart, ErrorMessages.ImportCallArgumentTrailingComma); |
| | | this.raise(Errors.ImportCallArgumentTrailingComma, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | if (nodeForExtra) { |
| | | this.addExtra(nodeForExtra, "trailingComma", this.state.lastTokStart); |
| | | this.addTrailingCommaExtraToNode(nodeForExtra); |
| | | } |
| | | |
| | | this.next(); |
| | |
| | | |
| | | this.resetPreviousNodeTrailingComments(call); |
| | | this.expect(19); |
| | | this.parseArrowExpression(node, call.arguments, true, (_call$extra = call.extra) == null ? void 0 : _call$extra.trailingComma); |
| | | this.parseArrowExpression(node, call.arguments, true, (_call$extra = call.extra) == null ? void 0 : _call$extra.trailingCommaLoc); |
| | | |
| | | if (call.innerComments) { |
| | | setInnerComments(node, call.innerComments); |
| | |
| | | } = this.state; |
| | | |
| | | switch (type) { |
| | | case 70: |
| | | case 79: |
| | | return this.parseSuper(); |
| | | |
| | | case 74: |
| | | case 83: |
| | | node = this.startNode(); |
| | | this.next(); |
| | | |
| | |
| | | } |
| | | |
| | | if (!this.match(10)) { |
| | | this.raise(this.state.lastTokStart, ErrorMessages.UnsupportedImport); |
| | | this.raise(Errors.UnsupportedImport, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | return this.finishNode(node, "Import"); |
| | | |
| | | case 69: |
| | | case 78: |
| | | node = this.startNode(); |
| | | this.next(); |
| | | return this.finishNode(node, "ThisExpression"); |
| | | |
| | | case 81: |
| | | case 90: |
| | | { |
| | | return this.parseDo(this.startNode(), false); |
| | | } |
| | | |
| | | case 47: |
| | | case 29: |
| | | case 56: |
| | | case 31: |
| | | { |
| | | this.readRegexp(); |
| | | return this.parseRegExpLiteral(this.state.value); |
| | | } |
| | | |
| | | case 121: |
| | | case 130: |
| | | return this.parseNumericLiteral(this.state.value); |
| | | |
| | | case 122: |
| | | case 131: |
| | | return this.parseBigIntLiteral(this.state.value); |
| | | |
| | | case 123: |
| | | case 132: |
| | | return this.parseDecimalLiteral(this.state.value); |
| | | |
| | | case 120: |
| | | case 129: |
| | | return this.parseStringLiteral(this.state.value); |
| | | |
| | | case 75: |
| | | case 84: |
| | | return this.parseNullLiteral(); |
| | | |
| | | case 76: |
| | | case 85: |
| | | return this.parseBooleanLiteral(true); |
| | | |
| | | case 77: |
| | | case 86: |
| | | return this.parseBooleanLiteral(false); |
| | | |
| | | case 10: |
| | |
| | | case 2: |
| | | case 1: |
| | | { |
| | | return this.parseArrayLike(this.state.type === 2 ? 4 : 3, false, true, refExpressionErrors); |
| | | return this.parseArrayLike(this.state.type === 2 ? 4 : 3, false, true); |
| | | } |
| | | |
| | | case 0: |
| | |
| | | case 6: |
| | | case 7: |
| | | { |
| | | return this.parseObjectLike(this.state.type === 6 ? 9 : 8, false, true, refExpressionErrors); |
| | | return this.parseObjectLike(this.state.type === 6 ? 9 : 8, false, true); |
| | | } |
| | | |
| | | case 5: |
| | |
| | | return this.parseObjectLike(8, false, false, refExpressionErrors); |
| | | } |
| | | |
| | | case 59: |
| | | case 68: |
| | | return this.parseFunctionOrFunctionSent(); |
| | | |
| | | case 24: |
| | | case 26: |
| | | this.parseDecorators(); |
| | | |
| | | case 71: |
| | | case 80: |
| | | node = this.startNode(); |
| | | this.takeDecorators(node); |
| | | return this.parseClass(node, false); |
| | | |
| | | case 68: |
| | | case 77: |
| | | return this.parseNewOrNewTarget(); |
| | | |
| | | case 22: |
| | | case 25: |
| | | case 24: |
| | | return this.parseTemplate(false); |
| | | |
| | | case 15: |
| | |
| | | if (callee.type === "MemberExpression") { |
| | | return this.finishNode(node, "BindExpression"); |
| | | } else { |
| | | throw this.raise(callee.start, ErrorMessages.UnsupportedBind); |
| | | throw this.raise(Errors.UnsupportedBind, { |
| | | at: callee |
| | | }); |
| | | } |
| | | } |
| | | |
| | | case 125: |
| | | case 134: |
| | | { |
| | | this.raise(this.state.start, ErrorMessages.PrivateInExpectedIn, this.state.value); |
| | | this.raise(Errors.PrivateInExpectedIn, { |
| | | at: this.state.startLoc, |
| | | identifierName: this.state.value |
| | | }); |
| | | return this.parsePrivateName(); |
| | | } |
| | | |
| | | case 30: |
| | | if (this.getPluginOption("pipelineOperator", "proposal") === "hack" && this.getPluginOption("pipelineOperator", "topicToken") === "%") { |
| | | this.state.value = "%"; |
| | | this.state.type = 45; |
| | | this.state.pos--; |
| | | this.state.end--; |
| | | this.state.endLoc.column--; |
| | | } else { |
| | | throw this.unexpected(); |
| | | case 33: |
| | | { |
| | | return this.parseTopicReferenceThenEqualsSign(54, "%"); |
| | | } |
| | | |
| | | case 45: |
| | | case 25: |
| | | case 32: |
| | | { |
| | | return this.parseTopicReferenceThenEqualsSign(44, "^"); |
| | | } |
| | | |
| | | case 37: |
| | | case 38: |
| | | { |
| | | return this.parseTopicReference("hack"); |
| | | } |
| | | |
| | | case 44: |
| | | case 54: |
| | | case 27: |
| | | { |
| | | const pipeProposal = this.getPluginOption("pipelineOperator", "proposal"); |
| | | |
| | | if (pipeProposal) { |
| | | node = this.startNode(); |
| | | const start = this.state.start; |
| | | const tokenType = this.state.type; |
| | | this.next(); |
| | | return this.finishTopicReference(node, start, pipeProposal, tokenType); |
| | | return this.parseTopicReference(pipeProposal); |
| | | } else { |
| | | throw this.unexpected(); |
| | | } |
| | | } |
| | | |
| | | case 42: |
| | | case 47: |
| | | { |
| | | if (this.state.value === "<") { |
| | | const lookaheadCh = this.input.codePointAt(this.nextTokenStart()); |
| | | const lookaheadCh = this.input.codePointAt(this.nextTokenStart()); |
| | | |
| | | if (isIdentifierStart(lookaheadCh) || lookaheadCh === 62) { |
| | | this.expectOnePlugin(["jsx", "flow", "typescript"]); |
| | | } |
| | | if (isIdentifierStart(lookaheadCh) || lookaheadCh === 62) { |
| | | this.expectOnePlugin(["jsx", "flow", "typescript"]); |
| | | break; |
| | | } else { |
| | | throw this.unexpected(); |
| | | } |
| | | } |
| | | |
| | | default: |
| | | if (tokenIsIdentifier(type)) { |
| | | if (this.isContextual(114) && this.lookaheadCharCode() === 123 && !this.hasFollowingLineBreak()) { |
| | | if (this.isContextual(123) && this.lookaheadCharCode() === 123 && !this.hasFollowingLineBreak()) { |
| | | return this.parseModuleExpression(); |
| | | } |
| | | |
| | |
| | | type |
| | | } = this.state; |
| | | |
| | | if (type === 59) { |
| | | if (type === 68) { |
| | | this.resetPreviousNodeTrailingComments(id); |
| | | this.next(); |
| | | return this.parseFunction(this.startNodeAtNode(id), undefined, true); |
| | |
| | | } else { |
| | | return id; |
| | | } |
| | | } else if (type === 81) { |
| | | } else if (type === 90) { |
| | | this.resetPreviousNodeTrailingComments(id); |
| | | return this.parseDo(this.startNodeAtNode(id), true); |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | finishTopicReference(node, start, pipeProposal, tokenType) { |
| | | if (this.testTopicReferenceConfiguration(pipeProposal, start, tokenType)) { |
| | | let nodeType; |
| | | parseTopicReferenceThenEqualsSign(topicTokenType, topicTokenValue) { |
| | | const pipeProposal = this.getPluginOption("pipelineOperator", "proposal"); |
| | | |
| | | if (pipeProposal === "smart") { |
| | | nodeType = "PipelinePrimaryTopicReference"; |
| | | } else { |
| | | nodeType = "TopicReference"; |
| | | } |
| | | if (pipeProposal) { |
| | | this.state.type = topicTokenType; |
| | | this.state.value = topicTokenValue; |
| | | this.state.pos--; |
| | | this.state.end--; |
| | | this.state.endLoc = createPositionWithColumnOffset(this.state.endLoc, -1); |
| | | return this.parseTopicReference(pipeProposal); |
| | | } else { |
| | | throw this.unexpected(); |
| | | } |
| | | } |
| | | |
| | | parseTopicReference(pipeProposal) { |
| | | const node = this.startNode(); |
| | | const startLoc = this.state.startLoc; |
| | | const tokenType = this.state.type; |
| | | this.next(); |
| | | return this.finishTopicReference(node, startLoc, pipeProposal, tokenType); |
| | | } |
| | | |
| | | finishTopicReference(node, startLoc, pipeProposal, tokenType) { |
| | | if (this.testTopicReferenceConfiguration(pipeProposal, startLoc, tokenType)) { |
| | | const nodeType = pipeProposal === "smart" ? "PipelinePrimaryTopicReference" : "TopicReference"; |
| | | |
| | | if (!this.topicReferenceIsAllowedInCurrentContext()) { |
| | | if (pipeProposal === "smart") { |
| | | this.raise(start, ErrorMessages.PrimaryTopicNotAllowed); |
| | | } else { |
| | | this.raise(start, ErrorMessages.PipeTopicUnbound); |
| | | } |
| | | this.raise(pipeProposal === "smart" ? Errors.PrimaryTopicNotAllowed : Errors.PipeTopicUnbound, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | |
| | | this.registerTopicReference(); |
| | | return this.finishNode(node, nodeType); |
| | | } else { |
| | | throw this.raise(start, ErrorMessages.PipeTopicUnconfiguredToken, tokenLabelName(tokenType)); |
| | | throw this.raise(Errors.PipeTopicUnconfiguredToken, { |
| | | at: startLoc, |
| | | token: tokenLabelName(tokenType) |
| | | }); |
| | | } |
| | | } |
| | | |
| | | testTopicReferenceConfiguration(pipeProposal, start, tokenType) { |
| | | testTopicReferenceConfiguration(pipeProposal, startLoc, tokenType) { |
| | | switch (pipeProposal) { |
| | | case "hack": |
| | | { |
| | | const pluginTopicToken = this.getPluginOption("pipelineOperator", "topicToken"); |
| | | return tokenLabelName(tokenType) === pluginTopicToken; |
| | | return this.hasPlugin(["pipelineOperator", { |
| | | topicToken: tokenLabelName(tokenType) |
| | | }]); |
| | | } |
| | | |
| | | case "smart": |
| | | return tokenType === 25; |
| | | return tokenType === 27; |
| | | |
| | | default: |
| | | throw this.raise(start, ErrorMessages.PipeTopicRequiresHackPipes); |
| | | throw this.raise(Errors.PipeTopicRequiresHackPipes, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | this.prodParam.exit(); |
| | | |
| | | if (this.hasPrecedingLineBreak()) { |
| | | this.raise(this.state.pos, ErrorMessages.LineTerminatorBeforeArrow); |
| | | this.raise(Errors.LineTerminatorBeforeArrow, { |
| | | at: this.state.curPosition() |
| | | }); |
| | | } |
| | | |
| | | this.expect(19); |
| | |
| | | this.next(); |
| | | |
| | | if (this.match(10) && !this.scope.allowDirectSuper && !this.options.allowSuperOutsideMethod) { |
| | | this.raise(node.start, ErrorMessages.SuperNotAllowed); |
| | | this.raise(Errors.SuperNotAllowed, { |
| | | at: node |
| | | }); |
| | | } else if (!this.scope.allowSuper && !this.options.allowSuperOutsideMethod) { |
| | | this.raise(node.start, ErrorMessages.UnexpectedSuper); |
| | | this.raise(Errors.UnexpectedSuper, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | if (!this.match(10) && !this.match(0) && !this.match(16)) { |
| | | this.raise(node.start, ErrorMessages.UnsupportedSuper); |
| | | this.raise(Errors.UnsupportedSuper, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | return this.finishNode(node, "Super"); |
| | | } |
| | | |
| | | parseMaybePrivateName(isPrivateNameAllowed) { |
| | | const isPrivate = this.match(125); |
| | | |
| | | if (isPrivate) { |
| | | if (!isPrivateNameAllowed) { |
| | | this.raise(this.state.start + 1, ErrorMessages.UnexpectedPrivateField); |
| | | } |
| | | |
| | | return this.parsePrivateName(); |
| | | } else { |
| | | return this.parseIdentifier(true); |
| | | } |
| | | } |
| | | |
| | | parsePrivateName() { |
| | | const node = this.startNode(); |
| | | const id = this.startNodeAt(this.state.start + 1, new Position(this.state.curLine, this.state.start + 1 - this.state.lineStart)); |
| | | const id = this.startNodeAt(this.state.start + 1, new Position(this.state.curLine, this.state.start + 1 - this.state.lineStart, this.state.start + 1)); |
| | | const name = this.state.value; |
| | | this.next(); |
| | | node.id = this.createIdentifier(id, name); |
| | |
| | | const meta = this.createIdentifier(this.startNodeAtNode(node), "function"); |
| | | this.next(); |
| | | |
| | | if (this.match(93)) { |
| | | if (this.match(102)) { |
| | | this.expectPlugin("functionSent"); |
| | | } else if (!this.hasPlugin("functionSent")) { |
| | | this.unexpected(); |
| | |
| | | node.property = this.parseIdentifier(true); |
| | | |
| | | if (node.property.name !== propertyName || containsEsc) { |
| | | this.raise(node.property.start, ErrorMessages.UnsupportedMetaProperty, meta.name, propertyName); |
| | | this.raise(Errors.UnsupportedMetaProperty, { |
| | | at: node.property, |
| | | target: meta.name, |
| | | onlyValidPropertyName: propertyName |
| | | }); |
| | | } |
| | | |
| | | return this.finishNode(node, "MetaProperty"); |
| | |
| | | const id = this.createIdentifier(this.startNodeAtNode(node), "import"); |
| | | this.next(); |
| | | |
| | | if (this.isContextual(91)) { |
| | | if (this.isContextual(100)) { |
| | | if (!this.inModule) { |
| | | this.raise(id.start, SourceTypeModuleErrorMessages.ImportMetaOutsideModule); |
| | | this.raise(Errors.ImportMetaOutsideModule, { |
| | | at: id |
| | | }); |
| | | } |
| | | |
| | | this.sawUnambiguousESM = true; |
| | |
| | | const exprList = []; |
| | | const refExpressionErrors = new ExpressionErrors(); |
| | | let first = true; |
| | | let spreadStart; |
| | | let optionalCommaStart; |
| | | let spreadStartLoc; |
| | | let optionalCommaStartLoc; |
| | | |
| | | while (!this.match(11)) { |
| | | if (first) { |
| | | first = false; |
| | | } else { |
| | | this.expect(12, refExpressionErrors.optionalParameters === -1 ? null : refExpressionErrors.optionalParameters); |
| | | this.expect(12, refExpressionErrors.optionalParametersLoc === null ? null : refExpressionErrors.optionalParametersLoc); |
| | | |
| | | if (this.match(11)) { |
| | | optionalCommaStart = this.state.start; |
| | | optionalCommaStartLoc = this.state.startLoc; |
| | | break; |
| | | } |
| | | } |
| | |
| | | if (this.match(21)) { |
| | | const spreadNodeStartPos = this.state.start; |
| | | const spreadNodeStartLoc = this.state.startLoc; |
| | | spreadStart = this.state.start; |
| | | spreadStartLoc = this.state.startLoc; |
| | | exprList.push(this.parseParenItem(this.parseRestBinding(), spreadNodeStartPos, spreadNodeStartLoc)); |
| | | this.checkCommaAfterRest(41); |
| | | break; |
| | | |
| | | if (!this.checkCommaAfterRest(41)) { |
| | | break; |
| | | } |
| | | } else { |
| | | exprList.push(this.parseMaybeAssignAllowIn(refExpressionErrors, this.parseParenItem)); |
| | | } |
| | | } |
| | | |
| | | const innerEndPos = this.state.lastTokEnd; |
| | | const innerEndLoc = this.state.lastTokEndLoc; |
| | | this.expect(11); |
| | | this.state.maybeInArrowParameters = oldMaybeInArrowParameters; |
| | |
| | | let arrowNode = this.startNodeAt(startPos, startLoc); |
| | | |
| | | if (canBeArrow && this.shouldParseArrow(exprList) && (arrowNode = this.parseArrow(arrowNode))) { |
| | | this.checkDestructuringPrivate(refExpressionErrors); |
| | | this.expressionScope.validateAsPattern(); |
| | | this.expressionScope.exit(); |
| | | this.parseArrowExpression(arrowNode, exprList, false); |
| | |
| | | this.expressionScope.exit(); |
| | | |
| | | if (!exprList.length) { |
| | | this.unexpected(this.state.lastTokStart); |
| | | this.unexpected(this.state.lastTokStartLoc); |
| | | } |
| | | |
| | | if (optionalCommaStart) this.unexpected(optionalCommaStart); |
| | | if (spreadStart) this.unexpected(spreadStart); |
| | | if (optionalCommaStartLoc) this.unexpected(optionalCommaStartLoc); |
| | | if (spreadStartLoc) this.unexpected(spreadStartLoc); |
| | | this.checkExpressionErrors(refExpressionErrors, true); |
| | | this.toReferencedListDeep(exprList, true); |
| | | |
| | |
| | | val = this.startNodeAt(innerStartPos, innerStartLoc); |
| | | val.expressions = exprList; |
| | | this.finishNode(val, "SequenceExpression"); |
| | | this.resetEndLocation(val, innerEndPos, innerEndLoc); |
| | | this.resetEndLocation(val, innerEndLoc); |
| | | } else { |
| | | val = exprList[0]; |
| | | } |
| | | |
| | | return this.wrapParenthesis(startPos, startLoc, val); |
| | | } |
| | | |
| | | wrapParenthesis(startPos, startLoc, expression) { |
| | | if (!this.options.createParenthesizedExpressions) { |
| | | this.addExtra(val, "parenthesized", true); |
| | | this.addExtra(val, "parenStart", startPos); |
| | | this.takeSurroundingComments(val, startPos, this.state.lastTokEnd); |
| | | return val; |
| | | this.addExtra(expression, "parenthesized", true); |
| | | this.addExtra(expression, "parenStart", startPos); |
| | | this.takeSurroundingComments(expression, startPos, this.state.lastTokEndLoc.index); |
| | | return expression; |
| | | } |
| | | |
| | | const parenExpression = this.startNodeAt(startPos, startLoc); |
| | | parenExpression.expression = val; |
| | | parenExpression.expression = expression; |
| | | this.finishNode(parenExpression, "ParenthesizedExpression"); |
| | | return parenExpression; |
| | | } |
| | |
| | | const metaProp = this.parseMetaProperty(node, meta, "target"); |
| | | |
| | | if (!this.scope.inNonArrowFunction && !this.scope.inClass) { |
| | | this.raise(metaProp.start, ErrorMessages.UnexpectedNewTarget); |
| | | this.raise(Errors.UnexpectedNewTarget, { |
| | | at: metaProp |
| | | }); |
| | | } |
| | | |
| | | return metaProp; |
| | |
| | | node.callee = this.parseNoCallExpr(); |
| | | |
| | | if (node.callee.type === "Import") { |
| | | this.raise(node.callee.start, ErrorMessages.ImportCallNotNewExpression); |
| | | this.raise(Errors.ImportCallNotNewExpression, { |
| | | at: node.callee |
| | | }); |
| | | } else if (this.isOptionalChain(node.callee)) { |
| | | this.raise(this.state.lastTokEnd, ErrorMessages.OptionalChainingNoNew); |
| | | this.raise(Errors.OptionalChainingNoNew, { |
| | | at: this.state.lastTokEndLoc |
| | | }); |
| | | } else if (this.eat(18)) { |
| | | this.raise(this.state.start, ErrorMessages.OptionalChainingNoNew); |
| | | this.raise(Errors.OptionalChainingNoNew, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.parseNewArguments(node); |
| | |
| | | } |
| | | |
| | | parseTemplateElement(isTagged) { |
| | | const elem = this.startNode(); |
| | | const { |
| | | start, |
| | | startLoc, |
| | | end, |
| | | value |
| | | } = this.state; |
| | | const elemStart = start + 1; |
| | | const elem = this.startNodeAt(elemStart, createPositionWithColumnOffset(startLoc, 1)); |
| | | |
| | | if (this.state.value === null) { |
| | | if (value === null) { |
| | | if (!isTagged) { |
| | | this.raise(this.state.start + 1, ErrorMessages.InvalidEscapeSequenceTemplate); |
| | | this.raise(Errors.InvalidEscapeSequenceTemplate, { |
| | | at: createPositionWithColumnOffset(startLoc, 2) |
| | | }); |
| | | } |
| | | } |
| | | |
| | | const isTail = this.match(24); |
| | | const endOffset = isTail ? -1 : -2; |
| | | const elemEnd = end + endOffset; |
| | | elem.value = { |
| | | raw: this.input.slice(this.state.start, this.state.end).replace(/\r\n?/g, "\n"), |
| | | cooked: this.state.value |
| | | raw: this.input.slice(elemStart, elemEnd).replace(/\r\n?/g, "\n"), |
| | | cooked: value === null ? null : value.slice(1, endOffset) |
| | | }; |
| | | elem.tail = isTail; |
| | | this.next(); |
| | | elem.tail = this.match(22); |
| | | return this.finishNode(elem, "TemplateElement"); |
| | | this.finishNode(elem, "TemplateElement"); |
| | | this.resetEndLocation(elem, createPositionWithColumnOffset(this.state.lastTokEndLoc, endOffset)); |
| | | return elem; |
| | | } |
| | | |
| | | parseTemplate(isTagged) { |
| | | const node = this.startNode(); |
| | | this.next(); |
| | | node.expressions = []; |
| | | let curElt = this.parseTemplateElement(isTagged); |
| | | node.quasis = [curElt]; |
| | | |
| | | while (!curElt.tail) { |
| | | this.expect(23); |
| | | node.expressions.push(this.parseTemplateSubstitution()); |
| | | this.expect(8); |
| | | this.readTemplateContinuation(); |
| | | node.quasis.push(curElt = this.parseTemplateElement(isTagged)); |
| | | } |
| | | |
| | | this.next(); |
| | | return this.finishNode(node, "TemplateLiteral"); |
| | | } |
| | | |
| | |
| | | this.expect(12); |
| | | |
| | | if (this.match(close)) { |
| | | this.addExtra(node, "trailingComma", this.state.lastTokStart); |
| | | this.addTrailingCommaExtraToNode(node); |
| | | break; |
| | | } |
| | | } |
| | | |
| | | const prop = this.parsePropertyDefinition(isPattern, refExpressionErrors); |
| | | let prop; |
| | | |
| | | if (!isPattern) { |
| | | if (isPattern) { |
| | | prop = this.parseBindingProperty(); |
| | | } else { |
| | | prop = this.parsePropertyDefinition(refExpressionErrors); |
| | | this.checkProto(prop, isRecord, propHash, refExpressionErrors); |
| | | } |
| | | |
| | | if (isRecord && !this.isObjectProperty(prop) && prop.type !== "SpreadElement") { |
| | | this.raise(prop.start, ErrorMessages.InvalidRecordProperty); |
| | | this.raise(Errors.InvalidRecordProperty, { |
| | | at: prop |
| | | }); |
| | | } |
| | | |
| | | if (prop.shorthand) { |
| | |
| | | return this.finishNode(node, type); |
| | | } |
| | | |
| | | maybeAsyncOrAccessorProp(prop) { |
| | | return !prop.computed && prop.key.type === "Identifier" && (this.isLiteralPropertyName() || this.match(0) || this.match(46)); |
| | | addTrailingCommaExtraToNode(node) { |
| | | this.addExtra(node, "trailingComma", this.state.lastTokStart); |
| | | this.addExtra(node, "trailingCommaLoc", this.state.lastTokStartLoc, false); |
| | | } |
| | | |
| | | parsePropertyDefinition(isPattern, refExpressionErrors) { |
| | | maybeAsyncOrAccessorProp(prop) { |
| | | return !prop.computed && prop.key.type === "Identifier" && (this.isLiteralPropertyName() || this.match(0) || this.match(55)); |
| | | } |
| | | |
| | | parsePropertyDefinition(refExpressionErrors) { |
| | | let decorators = []; |
| | | |
| | | if (this.match(24)) { |
| | | if (this.match(26)) { |
| | | if (this.hasPlugin("decorators")) { |
| | | this.raise(this.state.start, ErrorMessages.UnsupportedPropertyDecorator); |
| | | this.raise(Errors.UnsupportedPropertyDecorator, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | while (this.match(24)) { |
| | | while (this.match(26)) { |
| | | decorators.push(this.parseDecorator()); |
| | | } |
| | | } |
| | | |
| | | const prop = this.startNode(); |
| | | let isGenerator = false; |
| | | let isAsync = false; |
| | | let isAccessor = false; |
| | | let startPos; |
| | |
| | | |
| | | if (this.match(21)) { |
| | | if (decorators.length) this.unexpected(); |
| | | |
| | | if (isPattern) { |
| | | this.next(); |
| | | prop.argument = this.parseIdentifier(); |
| | | this.checkCommaAfterRest(125); |
| | | return this.finishNode(prop, "RestElement"); |
| | | } |
| | | |
| | | return this.parseSpread(); |
| | | } |
| | | |
| | |
| | | |
| | | prop.method = false; |
| | | |
| | | if (isPattern || refExpressionErrors) { |
| | | if (refExpressionErrors) { |
| | | startPos = this.state.start; |
| | | startLoc = this.state.startLoc; |
| | | } |
| | | |
| | | if (!isPattern) { |
| | | isGenerator = this.eat(46); |
| | | } |
| | | |
| | | let isGenerator = this.eat(55); |
| | | this.parsePropertyNamePrefixOperator(prop); |
| | | const containsEsc = this.state.containsEsc; |
| | | const key = this.parsePropertyName(prop, false); |
| | | const key = this.parsePropertyName(prop, refExpressionErrors); |
| | | |
| | | if (!isPattern && !isGenerator && !containsEsc && this.maybeAsyncOrAccessorProp(prop)) { |
| | | if (!isGenerator && !containsEsc && this.maybeAsyncOrAccessorProp(prop)) { |
| | | const keyName = key.name; |
| | | |
| | | if (keyName === "async" && !this.hasPrecedingLineBreak()) { |
| | | isAsync = true; |
| | | this.resetPreviousNodeTrailingComments(key); |
| | | isGenerator = this.eat(46); |
| | | this.parsePropertyName(prop, false); |
| | | isGenerator = this.eat(55); |
| | | this.parsePropertyName(prop); |
| | | } |
| | | |
| | | if (keyName === "get" || keyName === "set") { |
| | |
| | | this.resetPreviousNodeTrailingComments(key); |
| | | prop.kind = keyName; |
| | | |
| | | if (this.match(46)) { |
| | | if (this.match(55)) { |
| | | isGenerator = true; |
| | | this.raise(this.state.pos, ErrorMessages.AccessorIsGenerator, keyName); |
| | | this.raise(Errors.AccessorIsGenerator, { |
| | | at: this.state.curPosition(), |
| | | kind: keyName |
| | | }); |
| | | this.next(); |
| | | } |
| | | |
| | | this.parsePropertyName(prop, false); |
| | | this.parsePropertyName(prop); |
| | | } |
| | | } |
| | | |
| | | this.parseObjPropValue(prop, startPos, startLoc, isGenerator, isAsync, isPattern, isAccessor, refExpressionErrors); |
| | | this.parseObjPropValue(prop, startPos, startLoc, isGenerator, isAsync, false, isAccessor, refExpressionErrors); |
| | | return prop; |
| | | } |
| | | |
| | |
| | | |
| | | const paramCount = this.getGetterSetterExpectedParamCount(method); |
| | | const params = this.getObjectOrClassMethodParams(method); |
| | | const start = method.start; |
| | | |
| | | if (params.length !== paramCount) { |
| | | if (method.kind === "get") { |
| | | this.raise(start, ErrorMessages.BadGetterArity); |
| | | } else { |
| | | this.raise(start, ErrorMessages.BadSetterArity); |
| | | } |
| | | this.raise(method.kind === "get" ? Errors.BadGetterArity : Errors.BadSetterArity, { |
| | | at: method |
| | | }); |
| | | } |
| | | |
| | | if (method.kind === "set" && ((_params = params[params.length - 1]) == null ? void 0 : _params.type) === "RestElement") { |
| | | this.raise(start, ErrorMessages.BadSetterRestParameter); |
| | | this.raise(Errors.BadSetterRestParameter, { |
| | | at: method |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | if (!prop.computed && prop.key.type === "Identifier") { |
| | | this.checkReservedWord(prop.key.name, prop.key.start, true, false); |
| | | this.checkReservedWord(prop.key.name, prop.key.loc.start, true, false); |
| | | |
| | | if (isPattern) { |
| | | prop.value = this.parseMaybeDefault(startPos, startLoc, cloneIdentifier(prop.key)); |
| | | } else if (this.match(27) && refExpressionErrors) { |
| | | if (refExpressionErrors.shorthandAssign === -1) { |
| | | refExpressionErrors.shorthandAssign = this.state.start; |
| | | } else if (this.match(29)) { |
| | | const shorthandAssignLoc = this.state.startLoc; |
| | | |
| | | if (refExpressionErrors != null) { |
| | | if (refExpressionErrors.shorthandAssignLoc === null) { |
| | | refExpressionErrors.shorthandAssignLoc = shorthandAssignLoc; |
| | | } |
| | | } else { |
| | | this.raise(Errors.InvalidCoverInitializedName, { |
| | | at: shorthandAssignLoc |
| | | }); |
| | | } |
| | | |
| | | prop.value = this.parseMaybeDefault(startPos, startLoc, cloneIdentifier(prop.key)); |
| | |
| | | return node; |
| | | } |
| | | |
| | | parsePropertyName(prop, isPrivateNameAllowed) { |
| | | parsePropertyName(prop, refExpressionErrors) { |
| | | if (this.eat(0)) { |
| | | prop.computed = true; |
| | | prop.key = this.parseMaybeAssignAllowIn(); |
| | | this.expect(3); |
| | | } else { |
| | | const oldInPropertyName = this.state.inPropertyName; |
| | | this.state.inPropertyName = true; |
| | | const type = this.state.type; |
| | | prop.key = type === 121 || type === 120 || type === 122 || type === 123 ? this.parseExprAtom() : this.parseMaybePrivateName(isPrivateNameAllowed); |
| | | const { |
| | | type, |
| | | value |
| | | } = this.state; |
| | | let key; |
| | | |
| | | if (type !== 125) { |
| | | prop.computed = false; |
| | | if (tokenIsKeywordOrIdentifier(type)) { |
| | | key = this.parseIdentifier(true); |
| | | } else { |
| | | switch (type) { |
| | | case 130: |
| | | key = this.parseNumericLiteral(value); |
| | | break; |
| | | |
| | | case 129: |
| | | key = this.parseStringLiteral(value); |
| | | break; |
| | | |
| | | case 131: |
| | | key = this.parseBigIntLiteral(value); |
| | | break; |
| | | |
| | | case 132: |
| | | key = this.parseDecimalLiteral(value); |
| | | break; |
| | | |
| | | case 134: |
| | | { |
| | | const privateKeyLoc = this.state.startLoc; |
| | | |
| | | if (refExpressionErrors != null) { |
| | | if (refExpressionErrors.privateKeyLoc === null) { |
| | | refExpressionErrors.privateKeyLoc = privateKeyLoc; |
| | | } |
| | | } else { |
| | | this.raise(Errors.UnexpectedPrivateField, { |
| | | at: privateKeyLoc |
| | | }); |
| | | } |
| | | |
| | | key = this.parsePrivateName(); |
| | | break; |
| | | } |
| | | |
| | | default: |
| | | throw this.unexpected(); |
| | | } |
| | | } |
| | | |
| | | this.state.inPropertyName = oldInPropertyName; |
| | | prop.key = key; |
| | | |
| | | if (type !== 134) { |
| | | prop.computed = false; |
| | | } |
| | | } |
| | | |
| | | return prop.key; |
| | |
| | | return this.finishNode(node, isTuple ? "TupleExpression" : "ArrayExpression"); |
| | | } |
| | | |
| | | parseArrowExpression(node, params, isAsync, trailingCommaPos) { |
| | | parseArrowExpression(node, params, isAsync, trailingCommaLoc) { |
| | | this.scope.enter(SCOPE_FUNCTION | SCOPE_ARROW); |
| | | let flags = functionFlags(isAsync, false); |
| | | |
| | | if (!this.match(0) && this.prodParam.hasIn) { |
| | | if (!this.match(5) && this.prodParam.hasIn) { |
| | | flags |= PARAM_IN; |
| | | } |
| | | |
| | |
| | | |
| | | if (params) { |
| | | this.state.maybeInArrowParameters = true; |
| | | this.setArrowFunctionParameters(node, params, trailingCommaPos); |
| | | this.setArrowFunctionParameters(node, params, trailingCommaLoc); |
| | | } |
| | | |
| | | this.state.maybeInArrowParameters = false; |
| | |
| | | return this.finishNode(node, "ArrowFunctionExpression"); |
| | | } |
| | | |
| | | setArrowFunctionParameters(node, params, trailingCommaPos) { |
| | | node.params = this.toAssignableList(params, trailingCommaPos, false); |
| | | setArrowFunctionParameters(node, params, trailingCommaLoc) { |
| | | this.toAssignableList(params, trailingCommaLoc, false); |
| | | node.params = params; |
| | | } |
| | | |
| | | parseFunctionBodyAndFinish(node, type, isMethod = false) { |
| | |
| | | const nonSimple = !this.isSimpleParamList(node.params); |
| | | |
| | | if (hasStrictModeDirective && nonSimple) { |
| | | const errorPos = (node.kind === "method" || node.kind === "constructor") && !!node.key ? node.key.end : node.start; |
| | | this.raise(errorPos, ErrorMessages.IllegalLanguageModeDirective); |
| | | this.raise(Errors.IllegalLanguageModeDirective, { |
| | | at: (node.kind === "method" || node.kind === "constructor") && !!node.key ? node.key.loc.end : node |
| | | }); |
| | | } |
| | | |
| | | const strictModeChanged = !oldStrict && this.state.strict; |
| | | this.checkParams(node, !this.state.strict && !allowExpression && !isMethod && !nonSimple, allowExpression, strictModeChanged); |
| | | |
| | | if (this.state.strict && node.id) { |
| | | this.checkLVal(node.id, "function name", BIND_OUTSIDE, undefined, undefined, strictModeChanged); |
| | | this.checkIdentifier(node.id, BIND_OUTSIDE, strictModeChanged); |
| | | } |
| | | }); |
| | | this.prodParam.exit(); |
| | | this.expressionScope.exit(); |
| | | this.state.labels = oldLabels; |
| | | } |
| | | |
| | | this.expressionScope.exit(); |
| | | } |
| | | |
| | | isSimpleParameter(node) { |
| | | return node.type === "Identifier"; |
| | | } |
| | | |
| | | isSimpleParamList(params) { |
| | | for (let i = 0, len = params.length; i < len; i++) { |
| | | if (params[i].type !== "Identifier") return false; |
| | | if (!this.isSimpleParameter(params[i])) return false; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | | checkParams(node, allowDuplicates, isArrowFunction, strictModeChanged = true) { |
| | | const checkClashes = new Set(); |
| | | const checkClashes = !allowDuplicates && new Set(); |
| | | const formalParameters = { |
| | | type: "FormalParameters" |
| | | }; |
| | | |
| | | for (const param of node.params) { |
| | | this.checkLVal(param, "function parameter list", BIND_VAR, allowDuplicates ? null : checkClashes, undefined, strictModeChanged); |
| | | this.checkLVal(param, { |
| | | in: formalParameters, |
| | | binding: BIND_VAR, |
| | | checkClashes, |
| | | strictModeChanged |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | |
| | | if (this.match(close)) { |
| | | if (nodeForExtra) { |
| | | this.addExtra(nodeForExtra, "trailingComma", this.state.lastTokStart); |
| | | this.addTrailingCommaExtraToNode(nodeForExtra); |
| | | } |
| | | |
| | | this.next(); |
| | |
| | | |
| | | if (this.match(12)) { |
| | | if (!allowEmpty) { |
| | | this.raise(this.state.pos, ErrorMessages.UnexpectedToken, ","); |
| | | this.raise(Errors.UnexpectedToken, { |
| | | at: this.state.curPosition(), |
| | | unexpected: "," |
| | | }); |
| | | } |
| | | |
| | | elt = null; |
| | |
| | | this.expectPlugin("partialApplication"); |
| | | |
| | | if (!allowPlaceholder) { |
| | | this.raise(this.state.start, ErrorMessages.UnexpectedArgumentPlaceholder); |
| | | this.raise(Errors.UnexpectedArgumentPlaceholder, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const node = this.startNode(); |
| | |
| | | parseIdentifierName(pos, liberal) { |
| | | let name; |
| | | const { |
| | | start, |
| | | startLoc, |
| | | type |
| | | } = this.state; |
| | | |
| | |
| | | throw this.unexpected(); |
| | | } |
| | | |
| | | const tokenIsKeyword = tokenKeywordOrIdentifierIsKeyword(type); |
| | | |
| | | if (liberal) { |
| | | this.state.type = 119; |
| | | if (tokenIsKeyword) { |
| | | this.replaceToken(128); |
| | | } |
| | | } else { |
| | | this.checkReservedWord(name, start, tokenIsKeyword(type), false); |
| | | this.checkReservedWord(name, startLoc, tokenIsKeyword, false); |
| | | } |
| | | |
| | | this.next(); |
| | |
| | | |
| | | if (word === "yield") { |
| | | if (this.prodParam.hasYield) { |
| | | this.raise(startLoc, ErrorMessages.YieldBindingIdentifier); |
| | | this.raise(Errors.YieldBindingIdentifier, { |
| | | at: startLoc |
| | | }); |
| | | return; |
| | | } |
| | | } else if (word === "await") { |
| | | if (this.prodParam.hasAwait) { |
| | | this.raise(startLoc, ErrorMessages.AwaitBindingIdentifier); |
| | | this.raise(Errors.AwaitBindingIdentifier, { |
| | | at: startLoc |
| | | }); |
| | | return; |
| | | } else if (this.scope.inStaticBlock) { |
| | | this.raise(startLoc, ErrorMessages.AwaitBindingIdentifierInStaticBlock); |
| | | return; |
| | | } else { |
| | | this.expressionScope.recordAsyncArrowParametersError(startLoc, ErrorMessages.AwaitBindingIdentifier); |
| | | } |
| | | |
| | | if (this.scope.inStaticBlock) { |
| | | this.raise(Errors.AwaitBindingIdentifierInStaticBlock, { |
| | | at: startLoc |
| | | }); |
| | | return; |
| | | } |
| | | |
| | | this.expressionScope.recordAsyncArrowParametersError({ |
| | | at: startLoc |
| | | }); |
| | | } else if (word === "arguments") { |
| | | if (this.scope.inClassAndNotInNonArrowFunction) { |
| | | this.raise(startLoc, ErrorMessages.ArgumentsInClass); |
| | | this.raise(Errors.ArgumentsInClass, { |
| | | at: startLoc |
| | | }); |
| | | return; |
| | | } |
| | | } |
| | | |
| | | if (checkKeywords && isKeyword(word)) { |
| | | this.raise(startLoc, ErrorMessages.UnexpectedKeyword, word); |
| | | this.raise(Errors.UnexpectedKeyword, { |
| | | at: startLoc, |
| | | keyword: word |
| | | }); |
| | | return; |
| | | } |
| | | |
| | | const reservedTest = !this.state.strict ? isReservedWord : isBinding ? isStrictBindReservedWord : isStrictReservedWord; |
| | | |
| | | if (reservedTest(word, this.inModule)) { |
| | | this.raise(startLoc, ErrorMessages.UnexpectedReservedWord, word); |
| | | this.raise(Errors.UnexpectedReservedWord, { |
| | | at: startLoc, |
| | | reservedWord: word |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | |
| | | parseAwait(startPos, startLoc) { |
| | | const node = this.startNodeAt(startPos, startLoc); |
| | | this.expressionScope.recordParameterInitializerError(node.start, ErrorMessages.AwaitExpressionFormalParameter); |
| | | this.expressionScope.recordParameterInitializerError(Errors.AwaitExpressionFormalParameter, { |
| | | at: node |
| | | }); |
| | | |
| | | if (this.eat(46)) { |
| | | this.raise(node.start, ErrorMessages.ObsoleteAwaitStar); |
| | | if (this.eat(55)) { |
| | | this.raise(Errors.ObsoleteAwaitStar, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | if (!this.scope.inFunction && !this.options.allowAwaitOutsideFunction) { |
| | |
| | | } |
| | | |
| | | isAmbiguousAwait() { |
| | | return this.hasPrecedingLineBreak() || this.match(44) || this.match(10) || this.match(0) || this.match(22) || this.match(124) || this.match(47) || this.hasPlugin("v8intrinsic") && this.match(45); |
| | | if (this.hasPrecedingLineBreak()) return true; |
| | | const { |
| | | type |
| | | } = this.state; |
| | | return type === 53 || type === 10 || type === 0 || tokenIsTemplate(type) || type === 133 || type === 56 || this.hasPlugin("v8intrinsic") && type === 54; |
| | | } |
| | | |
| | | parseYield() { |
| | | const node = this.startNode(); |
| | | this.expressionScope.recordParameterInitializerError(node.start, ErrorMessages.YieldInParameter); |
| | | this.expressionScope.recordParameterInitializerError(Errors.YieldInParameter, { |
| | | at: node |
| | | }); |
| | | this.next(); |
| | | let delegating = false; |
| | | let argument = null; |
| | | |
| | | if (!this.hasPrecedingLineBreak()) { |
| | | delegating = this.eat(46); |
| | | delegating = this.eat(55); |
| | | |
| | | switch (this.state.type) { |
| | | case 13: |
| | | case 126: |
| | | case 135: |
| | | case 8: |
| | | case 11: |
| | | case 3: |
| | |
| | | return this.finishNode(node, "YieldExpression"); |
| | | } |
| | | |
| | | checkPipelineAtInfixOperator(left, leftStartPos) { |
| | | if (this.getPluginOption("pipelineOperator", "proposal") === "smart") { |
| | | checkPipelineAtInfixOperator(left, leftStartLoc) { |
| | | if (this.hasPlugin(["pipelineOperator", { |
| | | proposal: "smart" |
| | | }])) { |
| | | if (left.type === "SequenceExpression") { |
| | | this.raise(leftStartPos, ErrorMessages.PipelineHeadSequenceExpression); |
| | | this.raise(Errors.PipelineHeadSequenceExpression, { |
| | | at: leftStartLoc |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | checkHackPipeBodyEarlyErrors(startPos) { |
| | | if (!this.topicReferenceWasUsedInCurrentContext()) { |
| | | this.raise(startPos, ErrorMessages.PipeTopicUnused); |
| | | } |
| | | } |
| | | |
| | |
| | | bodyNode.callee = childExpr; |
| | | return this.finishNode(bodyNode, "PipelineBareFunction"); |
| | | } else { |
| | | this.checkSmartPipeTopicBodyEarlyErrors(startPos); |
| | | this.checkSmartPipeTopicBodyEarlyErrors(startLoc); |
| | | bodyNode.expression = childExpr; |
| | | return this.finishNode(bodyNode, "PipelineTopicExpression"); |
| | | } |
| | |
| | | } |
| | | } |
| | | |
| | | checkSmartPipeTopicBodyEarlyErrors(startPos) { |
| | | checkSmartPipeTopicBodyEarlyErrors(startLoc) { |
| | | if (this.match(19)) { |
| | | throw this.raise(this.state.start, ErrorMessages.PipelineBodyNoArrow); |
| | | } else if (!this.topicReferenceWasUsedInCurrentContext()) { |
| | | this.raise(startPos, ErrorMessages.PipelineTopicUnused); |
| | | throw this.raise(Errors.PipelineBodyNoArrow, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | if (!this.topicReferenceWasUsedInCurrentContext()) { |
| | | this.raise(Errors.PipelineTopicUnused, { |
| | | at: startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | withSmartMixTopicForbiddingContext(callback) { |
| | | const proposal = this.getPluginOption("pipelineOperator", "proposal"); |
| | | |
| | | if (proposal === "smart") { |
| | | if (this.hasPlugin(["pipelineOperator", { |
| | | proposal: "smart" |
| | | }])) { |
| | | const outerContextTopicState = this.state.topicContext; |
| | | this.state.topicContext = { |
| | | maxNumOfResolvableTopics: 0, |
| | |
| | | return this.finishNode(node, "ModuleExpression"); |
| | | } |
| | | |
| | | parsePropertyNamePrefixOperator(prop) {} |
| | | |
| | | } |
| | | |
| | | const loopLabel = { |
| | |
| | | const loneSurrogate = /[\uD800-\uDFFF]/u; |
| | | const keywordRelationalOperator = /in(?:stanceof)?/y; |
| | | |
| | | function babel7CompatTokens(tokens) { |
| | | function babel7CompatTokens(tokens, input) { |
| | | for (let i = 0; i < tokens.length; i++) { |
| | | const token = tokens[i]; |
| | | const { |
| | | type |
| | | } = token; |
| | | |
| | | if (type === 125) { |
| | | { |
| | | const { |
| | | loc, |
| | | start, |
| | | value, |
| | | end |
| | | } = token; |
| | | const hashEndPos = start + 1; |
| | | const hashEndLoc = new Position(loc.start.line, loc.start.column + 1); |
| | | tokens.splice(i, 1, new Token({ |
| | | type: getExportedToken(25), |
| | | value: "#", |
| | | start: start, |
| | | end: hashEndPos, |
| | | startLoc: loc.start, |
| | | endLoc: hashEndLoc |
| | | }), new Token({ |
| | | type: getExportedToken(119), |
| | | value: value, |
| | | start: hashEndPos, |
| | | end: end, |
| | | startLoc: hashEndLoc, |
| | | endLoc: loc.end |
| | | })); |
| | | i++; |
| | | continue; |
| | | } |
| | | } |
| | | |
| | | if (typeof type === "number") { |
| | | { |
| | | if (type === 134) { |
| | | const { |
| | | loc, |
| | | start, |
| | | value, |
| | | end |
| | | } = token; |
| | | const hashEndPos = start + 1; |
| | | const hashEndLoc = createPositionWithColumnOffset(loc.start, 1); |
| | | tokens.splice(i, 1, new Token({ |
| | | type: getExportedToken(27), |
| | | value: "#", |
| | | start: start, |
| | | end: hashEndPos, |
| | | startLoc: loc.start, |
| | | endLoc: hashEndLoc |
| | | }), new Token({ |
| | | type: getExportedToken(128), |
| | | value: value, |
| | | start: hashEndPos, |
| | | end: end, |
| | | startLoc: hashEndLoc, |
| | | endLoc: loc.end |
| | | })); |
| | | i++; |
| | | continue; |
| | | } |
| | | |
| | | if (tokenIsTemplate(type)) { |
| | | const { |
| | | loc, |
| | | start, |
| | | value, |
| | | end |
| | | } = token; |
| | | const backquoteEnd = start + 1; |
| | | const backquoteEndLoc = createPositionWithColumnOffset(loc.start, 1); |
| | | let startToken; |
| | | |
| | | if (input.charCodeAt(start) === 96) { |
| | | startToken = new Token({ |
| | | type: getExportedToken(22), |
| | | value: "`", |
| | | start: start, |
| | | end: backquoteEnd, |
| | | startLoc: loc.start, |
| | | endLoc: backquoteEndLoc |
| | | }); |
| | | } else { |
| | | startToken = new Token({ |
| | | type: getExportedToken(8), |
| | | value: "}", |
| | | start: start, |
| | | end: backquoteEnd, |
| | | startLoc: loc.start, |
| | | endLoc: backquoteEndLoc |
| | | }); |
| | | } |
| | | |
| | | let templateValue, templateElementEnd, templateElementEndLoc, endToken; |
| | | |
| | | if (type === 24) { |
| | | templateElementEnd = end - 1; |
| | | templateElementEndLoc = createPositionWithColumnOffset(loc.end, -1); |
| | | templateValue = value === null ? null : value.slice(1, -1); |
| | | endToken = new Token({ |
| | | type: getExportedToken(22), |
| | | value: "`", |
| | | start: templateElementEnd, |
| | | end: end, |
| | | startLoc: templateElementEndLoc, |
| | | endLoc: loc.end |
| | | }); |
| | | } else { |
| | | templateElementEnd = end - 2; |
| | | templateElementEndLoc = createPositionWithColumnOffset(loc.end, -2); |
| | | templateValue = value === null ? null : value.slice(1, -2); |
| | | endToken = new Token({ |
| | | type: getExportedToken(23), |
| | | value: "${", |
| | | start: templateElementEnd, |
| | | end: end, |
| | | startLoc: templateElementEndLoc, |
| | | endLoc: loc.end |
| | | }); |
| | | } |
| | | |
| | | tokens.splice(i, 1, startToken, new Token({ |
| | | type: getExportedToken(20), |
| | | value: templateValue, |
| | | start: backquoteEnd, |
| | | end: templateElementEnd, |
| | | startLoc: backquoteEndLoc, |
| | | endLoc: templateElementEndLoc |
| | | }), endToken); |
| | | i += 2; |
| | | continue; |
| | | } |
| | | } |
| | | token.type = getExportedToken(type); |
| | | } |
| | | } |
| | |
| | | parseTopLevel(file, program) { |
| | | file.program = this.parseProgram(program); |
| | | file.comments = this.state.comments; |
| | | if (this.options.tokens) file.tokens = babel7CompatTokens(this.tokens); |
| | | |
| | | if (this.options.tokens) { |
| | | file.tokens = babel7CompatTokens(this.tokens, this.input); |
| | | } |
| | | |
| | | return this.finishNode(file, "File"); |
| | | } |
| | | |
| | | parseProgram(program, end = 126, sourceType = this.options.sourceType) { |
| | | parseProgram(program, end = 135, sourceType = this.options.sourceType) { |
| | | program.sourceType = sourceType; |
| | | program.interpreter = this.parseInterpreterDirective(); |
| | | this.parseBlockBody(program, true, true, end); |
| | | |
| | | if (this.inModule && !this.options.allowUndeclaredExports && this.scope.undefinedExports.size > 0) { |
| | | for (const [name] of Array.from(this.scope.undefinedExports)) { |
| | | const pos = this.scope.undefinedExports.get(name); |
| | | this.raise(pos, ErrorMessages.ModuleExportUndefined, name); |
| | | for (const [localName, at] of Array.from(this.scope.undefinedExports)) { |
| | | this.raise(Errors.ModuleExportUndefined, { |
| | | at, |
| | | localName |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | directive.value = directive.expression; |
| | | delete directive.expression; |
| | | const directiveLiteral = directive.value; |
| | | const expressionValue = directiveLiteral.value; |
| | | const raw = this.input.slice(directiveLiteral.start, directiveLiteral.end); |
| | | const val = directiveLiteral.value = raw.slice(1, -1); |
| | | this.addExtra(directiveLiteral, "raw", raw); |
| | | this.addExtra(directiveLiteral, "rawValue", val); |
| | | this.addExtra(directiveLiteral, "expressionValue", expressionValue); |
| | | directiveLiteral.type = "DirectiveLiteral"; |
| | | return directive; |
| | | } |
| | | |
| | | parseInterpreterDirective() { |
| | | if (!this.match(26)) { |
| | | if (!this.match(28)) { |
| | | return null; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | isLet(context) { |
| | | if (!this.isContextual(90)) { |
| | | if (!this.isContextual(99)) { |
| | | return false; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | parseStatement(context, topLevel) { |
| | | if (this.match(24)) { |
| | | if (this.match(26)) { |
| | | this.parseDecorators(true); |
| | | } |
| | | |
| | |
| | | let kind; |
| | | |
| | | if (this.isLet(context)) { |
| | | starttype = 65; |
| | | starttype = 74; |
| | | kind = "let"; |
| | | } |
| | | |
| | | switch (starttype) { |
| | | case 51: |
| | | case 60: |
| | | return this.parseBreakContinueStatement(node, true); |
| | | |
| | | case 54: |
| | | case 63: |
| | | return this.parseBreakContinueStatement(node, false); |
| | | |
| | | case 55: |
| | | case 64: |
| | | return this.parseDebuggerStatement(node); |
| | | |
| | | case 81: |
| | | case 90: |
| | | return this.parseDoStatement(node); |
| | | |
| | | case 82: |
| | | case 91: |
| | | return this.parseForStatement(node); |
| | | |
| | | case 59: |
| | | case 68: |
| | | if (this.lookaheadCharCode() === 46) break; |
| | | |
| | | if (context) { |
| | | if (this.state.strict) { |
| | | this.raise(this.state.start, ErrorMessages.StrictFunction); |
| | | this.raise(Errors.StrictFunction, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } else if (context !== "if" && context !== "label") { |
| | | this.raise(this.state.start, ErrorMessages.SloppyFunction); |
| | | this.raise(Errors.SloppyFunction, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | | return this.parseFunctionStatement(node, false, !context); |
| | | |
| | | case 71: |
| | | case 80: |
| | | if (context) this.unexpected(); |
| | | return this.parseClass(node, true); |
| | | |
| | | case 60: |
| | | case 69: |
| | | return this.parseIfStatement(node); |
| | | |
| | | case 61: |
| | | case 70: |
| | | return this.parseReturnStatement(node); |
| | | |
| | | case 62: |
| | | case 71: |
| | | return this.parseSwitchStatement(node); |
| | | |
| | | case 63: |
| | | case 72: |
| | | return this.parseThrowStatement(node); |
| | | |
| | | case 64: |
| | | case 73: |
| | | return this.parseTryStatement(node); |
| | | |
| | | case 66: |
| | | case 65: |
| | | case 75: |
| | | case 74: |
| | | kind = kind || this.state.value; |
| | | |
| | | if (context && kind !== "var") { |
| | | this.raise(this.state.start, ErrorMessages.UnexpectedLexicalDeclaration); |
| | | this.raise(Errors.UnexpectedLexicalDeclaration, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | return this.parseVarStatement(node, kind); |
| | | |
| | | case 83: |
| | | case 92: |
| | | return this.parseWhileStatement(node); |
| | | |
| | | case 67: |
| | | case 76: |
| | | return this.parseWithStatement(node); |
| | | |
| | | case 5: |
| | |
| | | case 13: |
| | | return this.parseEmptyStatement(node); |
| | | |
| | | case 74: |
| | | case 83: |
| | | { |
| | | const nextTokenCharCode = this.lookaheadCharCode(); |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | case 73: |
| | | case 82: |
| | | { |
| | | if (!this.options.allowImportExportEverywhere && !topLevel) { |
| | | this.raise(this.state.start, ErrorMessages.UnexpectedImportExport); |
| | | this.raise(Errors.UnexpectedImportExport, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.next(); |
| | | let result; |
| | | |
| | | if (starttype === 74) { |
| | | if (starttype === 83) { |
| | | result = this.parseImport(node); |
| | | |
| | | if (result.type === "ImportDeclaration" && (!result.importKind || result.importKind === "value")) { |
| | |
| | | { |
| | | if (this.isAsyncFunction()) { |
| | | if (context) { |
| | | this.raise(this.state.start, ErrorMessages.AsyncFunctionInSingleStatementContext); |
| | | this.raise(Errors.AsyncFunctionInSingleStatementContext, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.next(); |
| | |
| | | |
| | | assertModuleNodeAllowed(node) { |
| | | if (!this.options.allowImportExportEverywhere && !this.inModule) { |
| | | this.raise(node.start, SourceTypeModuleErrorMessages.ImportOutsideModule); |
| | | this.raise(Errors.ImportOutsideModule, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | canHaveLeadingDecorator() { |
| | | return this.match(71); |
| | | return this.match(80); |
| | | } |
| | | |
| | | parseDecorators(allowExport) { |
| | | const currentContextDecorators = this.state.decoratorStack[this.state.decoratorStack.length - 1]; |
| | | |
| | | while (this.match(24)) { |
| | | while (this.match(26)) { |
| | | const decorator = this.parseDecorator(); |
| | | currentContextDecorators.push(decorator); |
| | | } |
| | | |
| | | if (this.match(73)) { |
| | | if (this.match(82)) { |
| | | if (!allowExport) { |
| | | this.unexpected(); |
| | | } |
| | | |
| | | if (this.hasPlugin("decorators") && !this.getPluginOption("decorators", "decoratorsBeforeExport")) { |
| | | this.raise(this.state.start, ErrorMessages.DecoratorExportClass); |
| | | this.raise(Errors.DecoratorExportClass, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } else if (!this.canHaveLeadingDecorator()) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnexpectedLeadingDecorator); |
| | | throw this.raise(Errors.UnexpectedLeadingDecorator, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | const startLoc = this.state.startLoc; |
| | | let expr; |
| | | |
| | | if (this.eat(10)) { |
| | | if (this.match(10)) { |
| | | const startPos = this.state.start; |
| | | const startLoc = this.state.startLoc; |
| | | this.next(); |
| | | expr = this.parseExpression(); |
| | | this.expect(11); |
| | | expr = this.wrapParenthesis(startPos, startLoc, expr); |
| | | } else { |
| | | expr = this.parseIdentifier(false); |
| | | |
| | |
| | | } |
| | | |
| | | if (i === this.state.labels.length) { |
| | | this.raise(node.start, ErrorMessages.IllegalBreakContinue, isBreak ? "break" : "continue"); |
| | | const type = isBreak ? "BreakStatement" : "ContinueStatement"; |
| | | this.raise(Errors.IllegalBreakContinue, { |
| | | at: node, |
| | | type |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | this.state.labels.push(loopLabel); |
| | | node.body = this.withSmartMixTopicForbiddingContext(() => this.parseStatement("do")); |
| | | this.state.labels.pop(); |
| | | this.expect(83); |
| | | this.expect(92); |
| | | node.test = this.parseHeaderExpression(); |
| | | this.eat(13); |
| | | return this.finishNode(node, "DoWhileStatement"); |
| | |
| | | parseForStatement(node) { |
| | | this.next(); |
| | | this.state.labels.push(loopLabel); |
| | | let awaitAt = -1; |
| | | let awaitAt = null; |
| | | |
| | | if (this.isAwaitAllowed() && this.eatContextual(87)) { |
| | | awaitAt = this.state.lastTokStart; |
| | | if (this.isAwaitAllowed() && this.eatContextual(96)) { |
| | | awaitAt = this.state.lastTokStartLoc; |
| | | } |
| | | |
| | | this.scope.enter(SCOPE_OTHER); |
| | | this.expect(10); |
| | | |
| | | if (this.match(13)) { |
| | | if (awaitAt > -1) { |
| | | if (awaitAt !== null) { |
| | | this.unexpected(awaitAt); |
| | | } |
| | | |
| | | return this.parseFor(node, null); |
| | | } |
| | | |
| | | const startsWithLet = this.isContextual(90); |
| | | const startsWithLet = this.isContextual(99); |
| | | const isLet = startsWithLet && this.isLetKeyword(); |
| | | |
| | | if (this.match(65) || this.match(66) || isLet) { |
| | | if (this.match(74) || this.match(75) || isLet) { |
| | | const init = this.startNode(); |
| | | const kind = isLet ? "let" : this.state.value; |
| | | this.next(); |
| | | this.parseVar(init, true, kind); |
| | | this.finishNode(init, "VariableDeclaration"); |
| | | |
| | | if ((this.match(49) || this.isContextual(92)) && init.declarations.length === 1) { |
| | | if ((this.match(58) || this.isContextual(101)) && init.declarations.length === 1) { |
| | | return this.parseForIn(node, init, awaitAt); |
| | | } |
| | | |
| | | if (awaitAt > -1) { |
| | | if (awaitAt !== null) { |
| | | this.unexpected(awaitAt); |
| | | } |
| | | |
| | | return this.parseFor(node, init); |
| | | } |
| | | |
| | | const startsWithAsync = this.isContextual(86); |
| | | const startsWithAsync = this.isContextual(95); |
| | | const refExpressionErrors = new ExpressionErrors(); |
| | | const init = this.parseExpression(true, refExpressionErrors); |
| | | const isForOf = this.isContextual(92); |
| | | const isForOf = this.isContextual(101); |
| | | |
| | | if (isForOf) { |
| | | if (startsWithLet) { |
| | | this.raise(init.start, ErrorMessages.ForOfLet); |
| | | } else if (awaitAt === -1 && startsWithAsync && init.type === "Identifier") { |
| | | this.raise(init.start, ErrorMessages.ForOfAsync); |
| | | this.raise(Errors.ForOfLet, { |
| | | at: init |
| | | }); |
| | | } |
| | | |
| | | if (awaitAt === null && startsWithAsync && init.type === "Identifier") { |
| | | this.raise(Errors.ForOfAsync, { |
| | | at: init |
| | | }); |
| | | } |
| | | } |
| | | |
| | | if (isForOf || this.match(49)) { |
| | | if (isForOf || this.match(58)) { |
| | | this.checkDestructuringPrivate(refExpressionErrors); |
| | | this.toAssignable(init, true); |
| | | const description = isForOf ? "for-of statement" : "for-in statement"; |
| | | this.checkLVal(init, description); |
| | | const type = isForOf ? "ForOfStatement" : "ForInStatement"; |
| | | this.checkLVal(init, { |
| | | in: { |
| | | type |
| | | } |
| | | }); |
| | | return this.parseForIn(node, init, awaitAt); |
| | | } else { |
| | | this.checkExpressionErrors(refExpressionErrors, true); |
| | | } |
| | | |
| | | if (awaitAt > -1) { |
| | | if (awaitAt !== null) { |
| | | this.unexpected(awaitAt); |
| | | } |
| | | |
| | |
| | | this.next(); |
| | | node.test = this.parseHeaderExpression(); |
| | | node.consequent = this.parseStatement("if"); |
| | | node.alternate = this.eat(57) ? this.parseStatement("if") : null; |
| | | node.alternate = this.eat(66) ? this.parseStatement("if") : null; |
| | | return this.finishNode(node, "IfStatement"); |
| | | } |
| | | |
| | | parseReturnStatement(node) { |
| | | if (!this.prodParam.hasReturn && !this.options.allowReturnOutsideFunction) { |
| | | this.raise(this.state.start, ErrorMessages.IllegalReturn); |
| | | this.raise(Errors.IllegalReturn, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.next(); |
| | |
| | | let cur; |
| | | |
| | | for (let sawDefault; !this.match(8);) { |
| | | if (this.match(52) || this.match(56)) { |
| | | const isCase = this.match(52); |
| | | if (this.match(61) || this.match(65)) { |
| | | const isCase = this.match(61); |
| | | if (cur) this.finishNode(cur, "SwitchCase"); |
| | | cases.push(cur = this.startNode()); |
| | | cur.consequent = []; |
| | |
| | | cur.test = this.parseExpression(); |
| | | } else { |
| | | if (sawDefault) { |
| | | this.raise(this.state.lastTokStart, ErrorMessages.MultipleDefaultsInSwitch); |
| | | this.raise(Errors.MultipleDefaultsInSwitch, { |
| | | at: this.state.lastTokStartLoc |
| | | }); |
| | | } |
| | | |
| | | sawDefault = true; |
| | |
| | | this.next(); |
| | | |
| | | if (this.hasPrecedingLineBreak()) { |
| | | this.raise(this.state.lastTokEnd, ErrorMessages.NewlineAfterThrow); |
| | | this.raise(Errors.NewlineAfterThrow, { |
| | | at: this.state.lastTokEndLoc |
| | | }); |
| | | } |
| | | |
| | | node.argument = this.parseExpression(); |
| | |
| | | const param = this.parseBindingAtom(); |
| | | const simple = param.type === "Identifier"; |
| | | this.scope.enter(simple ? SCOPE_SIMPLE_CATCH : 0); |
| | | this.checkLVal(param, "catch clause", BIND_LEXICAL); |
| | | this.checkLVal(param, { |
| | | in: { |
| | | type: "CatchClause" |
| | | }, |
| | | binding: BIND_LEXICAL, |
| | | allowingSloppyLetBinding: true |
| | | }); |
| | | return param; |
| | | } |
| | | |
| | |
| | | node.block = this.parseBlock(); |
| | | node.handler = null; |
| | | |
| | | if (this.match(53)) { |
| | | if (this.match(62)) { |
| | | const clause = this.startNode(); |
| | | this.next(); |
| | | |
| | |
| | | node.handler = this.finishNode(clause, "CatchClause"); |
| | | } |
| | | |
| | | node.finalizer = this.eat(58) ? this.parseBlock() : null; |
| | | node.finalizer = this.eat(67) ? this.parseBlock() : null; |
| | | |
| | | if (!node.handler && !node.finalizer) { |
| | | this.raise(node.start, ErrorMessages.NoCatchOrFinally); |
| | | this.raise(Errors.NoCatchOrFinally, { |
| | | at: node |
| | | }); |
| | | } |
| | | |
| | | return this.finishNode(node, "TryStatement"); |
| | | } |
| | | |
| | | parseVarStatement(node, kind) { |
| | | parseVarStatement(node, kind, allowMissingInitializer = false) { |
| | | this.next(); |
| | | this.parseVar(node, false, kind); |
| | | this.parseVar(node, false, kind, allowMissingInitializer); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "VariableDeclaration"); |
| | | } |
| | |
| | | |
| | | parseWithStatement(node) { |
| | | if (this.state.strict) { |
| | | this.raise(this.state.start, ErrorMessages.StrictWith); |
| | | this.raise(Errors.StrictWith, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.next(); |
| | |
| | | parseLabeledStatement(node, maybeName, expr, context) { |
| | | for (const label of this.state.labels) { |
| | | if (label.name === maybeName) { |
| | | this.raise(expr.start, ErrorMessages.LabelRedeclaration, maybeName); |
| | | this.raise(Errors.LabelRedeclaration, { |
| | | at: expr, |
| | | labelName: maybeName |
| | | }); |
| | | } |
| | | } |
| | | |
| | | const kind = tokenIsLoop(this.state.type) ? "loop" : this.match(62) ? "switch" : null; |
| | | const kind = tokenIsLoop(this.state.type) ? "loop" : this.match(71) ? "switch" : null; |
| | | |
| | | for (let i = this.state.labels.length - 1; i >= 0; i--) { |
| | | const label = this.state.labels[i]; |
| | |
| | | } |
| | | |
| | | parseForIn(node, init, awaitAt) { |
| | | const isForIn = this.match(49); |
| | | const isForIn = this.match(58); |
| | | this.next(); |
| | | |
| | | if (isForIn) { |
| | | if (awaitAt > -1) this.unexpected(awaitAt); |
| | | if (awaitAt !== null) this.unexpected(awaitAt); |
| | | } else { |
| | | node.await = awaitAt > -1; |
| | | node.await = awaitAt !== null; |
| | | } |
| | | |
| | | if (init.type === "VariableDeclaration" && init.declarations[0].init != null && (!isForIn || this.state.strict || init.kind !== "var" || init.declarations[0].id.type !== "Identifier")) { |
| | | this.raise(init.start, ErrorMessages.ForInOfLoopInitializer, isForIn ? "for-in" : "for-of"); |
| | | } else if (init.type === "AssignmentPattern") { |
| | | this.raise(init.start, ErrorMessages.InvalidLhs, "for-loop"); |
| | | this.raise(Errors.ForInOfLoopInitializer, { |
| | | at: init, |
| | | type: isForIn ? "ForInStatement" : "ForOfStatement" |
| | | }); |
| | | } |
| | | |
| | | if (init.type === "AssignmentPattern") { |
| | | this.raise(Errors.InvalidLhs, { |
| | | at: init, |
| | | ancestor: { |
| | | type: "ForStatement" |
| | | } |
| | | }); |
| | | } |
| | | |
| | | node.left = init; |
| | |
| | | return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement"); |
| | | } |
| | | |
| | | parseVar(node, isFor, kind) { |
| | | parseVar(node, isFor, kind, allowMissingInitializer = false) { |
| | | const declarations = node.declarations = []; |
| | | const isTypescript = this.hasPlugin("typescript"); |
| | | node.kind = kind; |
| | | |
| | | for (;;) { |
| | | const decl = this.startNode(); |
| | | this.parseVarId(decl, kind); |
| | | decl.init = !this.eat(29) ? null : isFor ? this.parseMaybeAssignDisallowIn() : this.parseMaybeAssignAllowIn(); |
| | | |
| | | if (this.eat(27)) { |
| | | decl.init = isFor ? this.parseMaybeAssignDisallowIn() : this.parseMaybeAssignAllowIn(); |
| | | } else { |
| | | if (kind === "const" && !(this.match(49) || this.isContextual(92))) { |
| | | if (!isTypescript) { |
| | | this.raise(this.state.lastTokEnd, ErrorMessages.DeclarationMissingInitializer, "Const declarations"); |
| | | } |
| | | } else if (decl.id.type !== "Identifier" && !(isFor && (this.match(49) || this.isContextual(92)))) { |
| | | this.raise(this.state.lastTokEnd, ErrorMessages.DeclarationMissingInitializer, "Complex binding patterns"); |
| | | if (decl.init === null && !allowMissingInitializer) { |
| | | if (decl.id.type !== "Identifier" && !(isFor && (this.match(58) || this.isContextual(101)))) { |
| | | this.raise(Errors.DeclarationMissingInitializer, { |
| | | at: this.state.lastTokEndLoc, |
| | | kind: "destructuring" |
| | | }); |
| | | } else if (kind === "const" && !(this.match(58) || this.isContextual(101))) { |
| | | this.raise(Errors.DeclarationMissingInitializer, { |
| | | at: this.state.lastTokEndLoc, |
| | | kind: "const" |
| | | }); |
| | | } |
| | | |
| | | decl.init = null; |
| | | } |
| | | |
| | | declarations.push(this.finishNode(decl, "VariableDeclarator")); |
| | |
| | | |
| | | parseVarId(decl, kind) { |
| | | decl.id = this.parseBindingAtom(); |
| | | this.checkLVal(decl.id, "variable declaration", kind === "var" ? BIND_VAR : BIND_LEXICAL, undefined, kind !== "var"); |
| | | this.checkLVal(decl.id, { |
| | | in: { |
| | | type: "VariableDeclarator" |
| | | }, |
| | | binding: kind === "var" ? BIND_VAR : BIND_LEXICAL |
| | | }); |
| | | } |
| | | |
| | | parseFunction(node, statement = FUNC_NO_FLAGS, isAsync = false) { |
| | |
| | | const requireId = !!isStatement && !(statement & FUNC_NULLABLE_ID); |
| | | this.initFunction(node, isAsync); |
| | | |
| | | if (this.match(46) && isHangingStatement) { |
| | | this.raise(this.state.start, ErrorMessages.GeneratorInSingleStatementContext); |
| | | if (this.match(55) && isHangingStatement) { |
| | | this.raise(Errors.GeneratorInSingleStatementContext, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | node.generator = this.eat(46); |
| | | node.generator = this.eat(55); |
| | | |
| | | if (isStatement) { |
| | | node.id = this.parseFunctionId(requireId); |
| | |
| | | |
| | | registerFunctionStatementId(node) { |
| | | if (!node.id) return; |
| | | this.scope.declareName(node.id.name, this.state.strict || node.generator || node.async ? this.scope.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION, node.id.start); |
| | | this.scope.declareName(node.id.name, this.state.strict || node.generator || node.async ? this.scope.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION, node.id.loc.start); |
| | | } |
| | | |
| | | parseClass(node, isStatement, optionalId) { |
| | |
| | | } |
| | | |
| | | isClassProperty() { |
| | | return this.match(27) || this.match(13) || this.match(8); |
| | | return this.match(29) || this.match(13) || this.match(8); |
| | | } |
| | | |
| | | isClassMethod() { |
| | |
| | | while (!this.match(8)) { |
| | | if (this.eat(13)) { |
| | | if (decorators.length > 0) { |
| | | throw this.raise(this.state.lastTokEnd, ErrorMessages.DecoratorSemicolon); |
| | | throw this.raise(Errors.DecoratorSemicolon, { |
| | | at: this.state.lastTokEndLoc |
| | | }); |
| | | } |
| | | |
| | | continue; |
| | | } |
| | | |
| | | if (this.match(24)) { |
| | | if (this.match(26)) { |
| | | decorators.push(this.parseDecorator()); |
| | | continue; |
| | | } |
| | |
| | | this.parseClassMember(classBody, member, state); |
| | | |
| | | if (member.kind === "constructor" && member.decorators && member.decorators.length > 0) { |
| | | this.raise(member.start, ErrorMessages.DecoratorConstructor); |
| | | this.raise(Errors.DecoratorConstructor, { |
| | | at: member |
| | | }); |
| | | } |
| | | } |
| | | }); |
| | |
| | | this.next(); |
| | | |
| | | if (decorators.length) { |
| | | throw this.raise(this.state.start, ErrorMessages.TrailingDecorator); |
| | | throw this.raise(Errors.TrailingDecorator, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.classScope.exit(); |
| | |
| | | } |
| | | |
| | | parseClassMember(classBody, member, state) { |
| | | const isStatic = this.isContextual(95); |
| | | const isStatic = this.isContextual(104); |
| | | |
| | | if (isStatic) { |
| | | if (this.parseClassMemberFromModifier(classBody, member)) { |
| | |
| | | const privateMethod = member; |
| | | const publicProp = member; |
| | | const privateProp = member; |
| | | const accessorProp = member; |
| | | const method = publicMethod; |
| | | const publicMember = publicMethod; |
| | | member.static = isStatic; |
| | | this.parsePropertyNamePrefixOperator(member); |
| | | |
| | | if (this.eat(46)) { |
| | | if (this.eat(55)) { |
| | | method.kind = "method"; |
| | | const isPrivateName = this.match(125); |
| | | const isPrivateName = this.match(134); |
| | | this.parseClassElementName(method); |
| | | |
| | | if (isPrivateName) { |
| | |
| | | } |
| | | |
| | | if (this.isNonstaticConstructor(publicMethod)) { |
| | | this.raise(publicMethod.key.start, ErrorMessages.ConstructorIsGenerator); |
| | | this.raise(Errors.ConstructorIsGenerator, { |
| | | at: publicMethod.key |
| | | }); |
| | | } |
| | | |
| | | this.pushClassMethod(classBody, publicMethod, true, false, false, false); |
| | |
| | | } |
| | | |
| | | const isContextual = tokenIsIdentifier(this.state.type) && !this.state.containsEsc; |
| | | const isPrivate = this.match(125); |
| | | const isPrivate = this.match(134); |
| | | const key = this.parseClassElementName(member); |
| | | const maybeQuestionTokenStart = this.state.start; |
| | | const maybeQuestionTokenStartLoc = this.state.startLoc; |
| | | this.parsePostMemberNameModifiers(publicMember); |
| | | |
| | | if (this.isClassMethod()) { |
| | |
| | | publicMethod.kind = "constructor"; |
| | | |
| | | if (state.hadConstructor && !this.hasPlugin("typescript")) { |
| | | this.raise(key.start, ErrorMessages.DuplicateConstructor); |
| | | this.raise(Errors.DuplicateConstructor, { |
| | | at: key |
| | | }); |
| | | } |
| | | |
| | | if (isConstructor && this.hasPlugin("typescript") && member.override) { |
| | | this.raise(key.start, ErrorMessages.OverrideOnConstructor); |
| | | this.raise(Errors.OverrideOnConstructor, { |
| | | at: key |
| | | }); |
| | | } |
| | | |
| | | state.hadConstructor = true; |
| | |
| | | } |
| | | } else if (isContextual && key.name === "async" && !this.isLineTerminator()) { |
| | | this.resetPreviousNodeTrailingComments(key); |
| | | const isGenerator = this.eat(46); |
| | | const isGenerator = this.eat(55); |
| | | |
| | | if (publicMember.optional) { |
| | | this.unexpected(maybeQuestionTokenStart); |
| | | this.unexpected(maybeQuestionTokenStartLoc); |
| | | } |
| | | |
| | | method.kind = "method"; |
| | | const isPrivate = this.match(125); |
| | | const isPrivate = this.match(134); |
| | | this.parseClassElementName(method); |
| | | this.parsePostMemberNameModifiers(publicMember); |
| | | |
| | |
| | | this.pushClassPrivateMethod(classBody, privateMethod, isGenerator, true); |
| | | } else { |
| | | if (this.isNonstaticConstructor(publicMethod)) { |
| | | this.raise(publicMethod.key.start, ErrorMessages.ConstructorIsAsync); |
| | | this.raise(Errors.ConstructorIsAsync, { |
| | | at: publicMethod.key |
| | | }); |
| | | } |
| | | |
| | | this.pushClassMethod(classBody, publicMethod, isGenerator, true, false, false); |
| | | } |
| | | } else if (isContextual && (key.name === "get" || key.name === "set") && !(this.match(46) && this.isLineTerminator())) { |
| | | } else if (isContextual && (key.name === "get" || key.name === "set") && !(this.match(55) && this.isLineTerminator())) { |
| | | this.resetPreviousNodeTrailingComments(key); |
| | | method.kind = key.name; |
| | | const isPrivate = this.match(125); |
| | | const isPrivate = this.match(134); |
| | | this.parseClassElementName(publicMethod); |
| | | |
| | | if (isPrivate) { |
| | | this.pushClassPrivateMethod(classBody, privateMethod, false, false); |
| | | } else { |
| | | if (this.isNonstaticConstructor(publicMethod)) { |
| | | this.raise(publicMethod.key.start, ErrorMessages.ConstructorIsAccessor); |
| | | this.raise(Errors.ConstructorIsAccessor, { |
| | | at: publicMethod.key |
| | | }); |
| | | } |
| | | |
| | | this.pushClassMethod(classBody, publicMethod, false, false, false, false); |
| | | } |
| | | |
| | | this.checkGetterSetterParams(publicMethod); |
| | | } else if (isContextual && key.name === "accessor" && !this.isLineTerminator()) { |
| | | this.expectPlugin("decoratorAutoAccessors"); |
| | | this.resetPreviousNodeTrailingComments(key); |
| | | const isPrivate = this.match(134); |
| | | this.parseClassElementName(publicProp); |
| | | this.pushClassAccessorProperty(classBody, accessorProp, isPrivate); |
| | | } else if (this.isLineTerminator()) { |
| | | if (isPrivate) { |
| | | this.pushClassPrivateProperty(classBody, privateProp); |
| | |
| | | parseClassElementName(member) { |
| | | const { |
| | | type, |
| | | value, |
| | | start |
| | | value |
| | | } = this.state; |
| | | |
| | | if ((type === 119 || type === 120) && member.static && value === "prototype") { |
| | | this.raise(start, ErrorMessages.StaticPrototype); |
| | | if ((type === 128 || type === 129) && member.static && value === "prototype") { |
| | | this.raise(Errors.StaticPrototype, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | if (type === 125 && value === "constructor") { |
| | | this.raise(start, ErrorMessages.ConstructorClassPrivateField); |
| | | if (type === 134) { |
| | | if (value === "constructor") { |
| | | this.raise(Errors.ConstructorClassPrivateField, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const key = this.parsePrivateName(); |
| | | member.key = key; |
| | | return key; |
| | | } |
| | | |
| | | return this.parsePropertyName(member, true); |
| | | return this.parsePropertyName(member); |
| | | } |
| | | |
| | | parseClassStaticBlock(classBody, member) { |
| | | var _member$decorators; |
| | | |
| | | this.expectPlugin("classStaticBlock", member.start); |
| | | this.scope.enter(SCOPE_CLASS | SCOPE_STATIC_BLOCK | SCOPE_SUPER); |
| | | const oldLabels = this.state.labels; |
| | | this.state.labels = []; |
| | |
| | | classBody.body.push(this.finishNode(member, "StaticBlock")); |
| | | |
| | | if ((_member$decorators = member.decorators) != null && _member$decorators.length) { |
| | | this.raise(member.start, ErrorMessages.DecoratorStaticBlock); |
| | | this.raise(Errors.DecoratorStaticBlock, { |
| | | at: member |
| | | }); |
| | | } |
| | | } |
| | | |
| | | pushClassProperty(classBody, prop) { |
| | | if (!prop.computed && (prop.key.name === "constructor" || prop.key.value === "constructor")) { |
| | | this.raise(prop.key.start, ErrorMessages.ConstructorClassField); |
| | | this.raise(Errors.ConstructorClassField, { |
| | | at: prop.key |
| | | }); |
| | | } |
| | | |
| | | classBody.body.push(this.parseClassProperty(prop)); |
| | |
| | | pushClassPrivateProperty(classBody, prop) { |
| | | const node = this.parseClassPrivateProperty(prop); |
| | | classBody.body.push(node); |
| | | this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), CLASS_ELEMENT_OTHER, node.key.start); |
| | | this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), CLASS_ELEMENT_OTHER, node.key.loc.start); |
| | | } |
| | | |
| | | pushClassAccessorProperty(classBody, prop, isPrivate) { |
| | | if (!isPrivate && !prop.computed) { |
| | | const key = prop.key; |
| | | |
| | | if (key.name === "constructor" || key.value === "constructor") { |
| | | this.raise(Errors.ConstructorClassField, { |
| | | at: key |
| | | }); |
| | | } |
| | | } |
| | | |
| | | const node = this.parseClassAccessorProperty(prop); |
| | | classBody.body.push(node); |
| | | |
| | | if (isPrivate) { |
| | | this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), CLASS_ELEMENT_OTHER, node.key.loc.start); |
| | | } |
| | | } |
| | | |
| | | pushClassMethod(classBody, method, isGenerator, isAsync, isConstructor, allowsDirectSuper) { |
| | |
| | | const node = this.parseMethod(method, isGenerator, isAsync, false, false, "ClassPrivateMethod", true); |
| | | classBody.body.push(node); |
| | | const kind = node.kind === "get" ? node.static ? CLASS_ELEMENT_STATIC_GETTER : CLASS_ELEMENT_INSTANCE_GETTER : node.kind === "set" ? node.static ? CLASS_ELEMENT_STATIC_SETTER : CLASS_ELEMENT_INSTANCE_SETTER : CLASS_ELEMENT_OTHER; |
| | | this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), kind, node.key.start); |
| | | this.declareClassPrivateMethodInScope(node, kind); |
| | | } |
| | | |
| | | declareClassPrivateMethodInScope(node, kind) { |
| | | this.classScope.declarePrivateName(this.getPrivateNameSV(node.key), kind, node.key.loc.start); |
| | | } |
| | | |
| | | parsePostMemberNameModifiers(methodOrProp) {} |
| | |
| | | return this.finishNode(node, "ClassProperty"); |
| | | } |
| | | |
| | | parseClassAccessorProperty(node) { |
| | | this.parseInitializer(node); |
| | | this.semicolon(); |
| | | return this.finishNode(node, "ClassAccessorProperty"); |
| | | } |
| | | |
| | | parseInitializer(node) { |
| | | this.scope.enter(SCOPE_CLASS | SCOPE_SUPER); |
| | | this.expressionScope.enter(newExpressionScope()); |
| | | this.prodParam.enter(PARAM); |
| | | node.value = this.eat(27) ? this.parseMaybeAssignAllowIn() : null; |
| | | node.value = this.eat(29) ? this.parseMaybeAssignAllowIn() : null; |
| | | this.expressionScope.exit(); |
| | | this.prodParam.exit(); |
| | | this.scope.exit(); |
| | |
| | | node.id = this.parseIdentifier(); |
| | | |
| | | if (isStatement) { |
| | | this.checkLVal(node.id, "class name", bindingType); |
| | | this.declareNameFromIdentifier(node.id, bindingType); |
| | | } |
| | | } else { |
| | | if (optionalId || !isStatement) { |
| | | node.id = null; |
| | | } else { |
| | | this.unexpected(null, ErrorMessages.MissingClassName); |
| | | throw this.raise(Errors.MissingClassName, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | } |
| | | } |
| | | |
| | | parseClassSuper(node) { |
| | | node.superClass = this.eat(72) ? this.parseExprSubscripts() : null; |
| | | node.superClass = this.eat(81) ? this.parseExprSubscripts() : null; |
| | | } |
| | | |
| | | parseExport(node) { |
| | |
| | | return this.finishNode(node, "ExportNamedDeclaration"); |
| | | } |
| | | |
| | | if (this.eat(56)) { |
| | | if (this.eat(65)) { |
| | | node.declaration = this.parseExportDefaultExpression(); |
| | | this.checkExport(node, true, true); |
| | | return this.finishNode(node, "ExportDefaultDeclaration"); |
| | |
| | | } |
| | | |
| | | eatExportStar(node) { |
| | | return this.eat(46); |
| | | return this.eat(55); |
| | | } |
| | | |
| | | maybeParseExportDefaultSpecifier(node) { |
| | |
| | | } |
| | | |
| | | maybeParseExportNamespaceSpecifier(node) { |
| | | if (this.isContextual(84)) { |
| | | if (this.isContextual(93)) { |
| | | if (!node.specifiers) node.specifiers = []; |
| | | const specifier = this.startNodeAt(this.state.lastTokStart, this.state.lastTokStartLoc); |
| | | this.next(); |
| | |
| | | maybeParseExportNamedSpecifiers(node) { |
| | | if (this.match(5)) { |
| | | if (!node.specifiers) node.specifiers = []; |
| | | node.specifiers.push(...this.parseExportSpecifiers()); |
| | | const isTypeExport = node.exportKind === "type"; |
| | | node.specifiers.push(...this.parseExportSpecifiers(isTypeExport)); |
| | | node.source = null; |
| | | node.declaration = null; |
| | | |
| | | if (this.hasPlugin("importAssertions")) { |
| | | node.assertions = []; |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | |
| | |
| | | if (this.shouldParseExportDeclaration()) { |
| | | node.specifiers = []; |
| | | node.source = null; |
| | | |
| | | if (this.hasPlugin("importAssertions")) { |
| | | node.assertions = []; |
| | | } |
| | | |
| | | node.declaration = this.parseExportDeclaration(node); |
| | | return true; |
| | | } |
| | |
| | | } |
| | | |
| | | isAsyncFunction() { |
| | | if (!this.isContextual(86)) return false; |
| | | if (!this.isContextual(95)) return false; |
| | | const next = this.nextTokenStart(); |
| | | return !lineBreak.test(this.input.slice(this.state.pos, next)) && this.isUnparsedContextual(next, "function"); |
| | | } |
| | |
| | | const expr = this.startNode(); |
| | | const isAsync = this.isAsyncFunction(); |
| | | |
| | | if (this.match(59) || isAsync) { |
| | | if (this.match(68) || isAsync) { |
| | | this.next(); |
| | | |
| | | if (isAsync) { |
| | |
| | | } |
| | | |
| | | return this.parseFunction(expr, FUNC_STATEMENT | FUNC_NULLABLE_ID, isAsync); |
| | | } else if (this.match(71)) { |
| | | } |
| | | |
| | | if (this.match(80)) { |
| | | return this.parseClass(expr, true, true); |
| | | } else if (this.match(24)) { |
| | | } |
| | | |
| | | if (this.match(26)) { |
| | | if (this.hasPlugin("decorators") && this.getPluginOption("decorators", "decoratorsBeforeExport")) { |
| | | this.raise(this.state.start, ErrorMessages.DecoratorBeforeExport); |
| | | this.raise(Errors.DecoratorBeforeExport, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.parseDecorators(false); |
| | | return this.parseClass(expr, true, true); |
| | | } else if (this.match(66) || this.match(65) || this.isLet()) { |
| | | throw this.raise(this.state.start, ErrorMessages.UnsupportedDefaultExport); |
| | | } else { |
| | | const res = this.parseMaybeAssignAllowIn(); |
| | | this.semicolon(); |
| | | return res; |
| | | } |
| | | |
| | | if (this.match(75) || this.match(74) || this.isLet()) { |
| | | throw this.raise(Errors.UnsupportedDefaultExport, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | const res = this.parseMaybeAssignAllowIn(); |
| | | this.semicolon(); |
| | | return res; |
| | | } |
| | | |
| | | parseExportDeclaration(node) { |
| | |
| | | } = this.state; |
| | | |
| | | if (tokenIsIdentifier(type)) { |
| | | if (type === 86 && !this.state.containsEsc || type === 90) { |
| | | if (type === 95 && !this.state.containsEsc || type === 99) { |
| | | return false; |
| | | } |
| | | |
| | | if ((type === 117 || type === 116) && !this.state.containsEsc) { |
| | | if ((type === 126 || type === 125) && !this.state.containsEsc) { |
| | | const { |
| | | type: nextType |
| | | } = this.lookahead(); |
| | | |
| | | if (tokenIsIdentifier(nextType) && nextType !== 88 || nextType === 5) { |
| | | if (tokenIsIdentifier(nextType) && nextType !== 97 || nextType === 5) { |
| | | this.expectOnePlugin(["flow", "typescript"]); |
| | | return false; |
| | | } |
| | | } |
| | | } else if (!this.match(56)) { |
| | | } else if (!this.match(65)) { |
| | | return false; |
| | | } |
| | | |
| | |
| | | return true; |
| | | } |
| | | |
| | | if (this.match(56) && hasFrom) { |
| | | if (this.match(65) && hasFrom) { |
| | | const nextAfterFrom = this.input.charCodeAt(this.nextTokenStartSince(next + 4)); |
| | | return nextAfterFrom === 34 || nextAfterFrom === 39; |
| | | } |
| | |
| | | } |
| | | |
| | | parseExportFrom(node, expect) { |
| | | if (this.eatContextual(88)) { |
| | | if (this.eatContextual(97)) { |
| | | node.source = this.parseImportSource(); |
| | | this.checkExport(node); |
| | | const assertions = this.maybeParseImportAssertions(); |
| | |
| | | if (assertions) { |
| | | node.assertions = assertions; |
| | | } |
| | | } else { |
| | | if (expect) { |
| | | this.unexpected(); |
| | | } else { |
| | | node.source = null; |
| | | } |
| | | } else if (expect) { |
| | | this.unexpected(); |
| | | } |
| | | |
| | | this.semicolon(); |
| | |
| | | type |
| | | } = this.state; |
| | | |
| | | if (type === 24) { |
| | | if (type === 26) { |
| | | this.expectOnePlugin(["decorators", "decorators-legacy"]); |
| | | |
| | | if (this.hasPlugin("decorators")) { |
| | | if (this.getPluginOption("decorators", "decoratorsBeforeExport")) { |
| | | this.unexpected(this.state.start, ErrorMessages.DecoratorBeforeExport); |
| | | } else { |
| | | return true; |
| | | throw this.raise(Errors.DecoratorBeforeExport, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | return true; |
| | | } |
| | | } |
| | | |
| | | return type === 65 || type === 66 || type === 59 || type === 71 || this.isLet() || this.isAsyncFunction(); |
| | | return type === 74 || type === 75 || type === 68 || type === 80 || this.isLet() || this.isAsyncFunction(); |
| | | } |
| | | |
| | | checkExport(node, checkNames, isDefault, isFrom) { |
| | |
| | | const declaration = node.declaration; |
| | | |
| | | if (declaration.type === "Identifier" && declaration.name === "from" && declaration.end - declaration.start === 4 && !((_declaration$extra = declaration.extra) != null && _declaration$extra.parenthesized)) { |
| | | this.raise(declaration.start, ErrorMessages.ExportDefaultFromAsIdentifier); |
| | | this.raise(Errors.ExportDefaultFromAsIdentifier, { |
| | | at: declaration |
| | | }); |
| | | } |
| | | } |
| | | } else if (node.specifiers && node.specifiers.length) { |
| | |
| | | const { |
| | | exported |
| | | } = specifier; |
| | | const exportedName = exported.type === "Identifier" ? exported.name : exported.value; |
| | | this.checkDuplicateExports(specifier, exportedName); |
| | | const exportName = exported.type === "Identifier" ? exported.name : exported.value; |
| | | this.checkDuplicateExports(specifier, exportName); |
| | | |
| | | if (!isFrom && specifier.local) { |
| | | const { |
| | |
| | | } = specifier; |
| | | |
| | | if (local.type !== "Identifier") { |
| | | this.raise(specifier.start, ErrorMessages.ExportBindingIsString, local.value, exportedName); |
| | | this.raise(Errors.ExportBindingIsString, { |
| | | at: specifier, |
| | | localName: local.value, |
| | | exportName |
| | | }); |
| | | } else { |
| | | this.checkReservedWord(local.name, local.start, true, false); |
| | | this.checkReservedWord(local.name, local.loc.start, true, false); |
| | | this.scope.checkLocalExport(local); |
| | | } |
| | | } |
| | |
| | | const currentContextDecorators = this.state.decoratorStack[this.state.decoratorStack.length - 1]; |
| | | |
| | | if (currentContextDecorators.length) { |
| | | throw this.raise(node.start, ErrorMessages.UnsupportedDecoratorExport); |
| | | throw this.raise(Errors.UnsupportedDecoratorExport, { |
| | | at: node |
| | | }); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | } |
| | | |
| | | checkDuplicateExports(node, name) { |
| | | if (this.exportedIdentifiers.has(name)) { |
| | | this.raise(node.start, name === "default" ? ErrorMessages.DuplicateDefaultExport : ErrorMessages.DuplicateExport, name); |
| | | checkDuplicateExports(node, exportName) { |
| | | if (this.exportedIdentifiers.has(exportName)) { |
| | | if (exportName === "default") { |
| | | this.raise(Errors.DuplicateDefaultExport, { |
| | | at: node |
| | | }); |
| | | } else { |
| | | this.raise(Errors.DuplicateExport, { |
| | | at: node, |
| | | exportName |
| | | }); |
| | | } |
| | | } |
| | | |
| | | this.exportedIdentifiers.add(name); |
| | | this.exportedIdentifiers.add(exportName); |
| | | } |
| | | |
| | | parseExportSpecifiers() { |
| | | parseExportSpecifiers(isInTypeExport) { |
| | | const nodes = []; |
| | | let first = true; |
| | | this.expect(5); |
| | |
| | | if (this.eat(8)) break; |
| | | } |
| | | |
| | | const isMaybeTypeOnly = this.isContextual(126); |
| | | const isString = this.match(129); |
| | | const node = this.startNode(); |
| | | const isString = this.match(120); |
| | | const local = this.parseModuleExportName(); |
| | | node.local = local; |
| | | |
| | | if (this.eatContextual(84)) { |
| | | node.exported = this.parseModuleExportName(); |
| | | } else if (isString) { |
| | | node.exported = cloneStringLiteral(local); |
| | | } else { |
| | | node.exported = cloneIdentifier(local); |
| | | } |
| | | |
| | | nodes.push(this.finishNode(node, "ExportSpecifier")); |
| | | node.local = this.parseModuleExportName(); |
| | | nodes.push(this.parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly)); |
| | | } |
| | | |
| | | return nodes; |
| | | } |
| | | |
| | | parseExportSpecifier(node, isString, isInTypeExport, isMaybeTypeOnly) { |
| | | if (this.eatContextual(93)) { |
| | | node.exported = this.parseModuleExportName(); |
| | | } else if (isString) { |
| | | node.exported = cloneStringLiteral(node.local); |
| | | } else if (!node.exported) { |
| | | node.exported = cloneIdentifier(node.local); |
| | | } |
| | | |
| | | return this.finishNode(node, "ExportSpecifier"); |
| | | } |
| | | |
| | | parseModuleExportName() { |
| | | if (this.match(120)) { |
| | | if (this.match(129)) { |
| | | const result = this.parseStringLiteral(this.state.value); |
| | | const surrogate = result.value.match(loneSurrogate); |
| | | |
| | | if (surrogate) { |
| | | this.raise(result.start, ErrorMessages.ModuleExportNameHasLoneSurrogate, surrogate[0].charCodeAt(0).toString(16)); |
| | | this.raise(Errors.ModuleExportNameHasLoneSurrogate, { |
| | | at: result, |
| | | surrogateCharCode: surrogate[0].charCodeAt(0) |
| | | }); |
| | | } |
| | | |
| | | return result; |
| | |
| | | parseImport(node) { |
| | | node.specifiers = []; |
| | | |
| | | if (!this.match(120)) { |
| | | if (!this.match(129)) { |
| | | const hasDefault = this.maybeParseDefaultImportSpecifier(node); |
| | | const parseNext = !hasDefault || this.eat(12); |
| | | const hasStar = parseNext && this.maybeParseStarImportSpecifier(node); |
| | | if (parseNext && !hasStar) this.parseNamedImportSpecifiers(node); |
| | | this.expectContextual(88); |
| | | this.expectContextual(97); |
| | | } |
| | | |
| | | node.source = this.parseImportSource(); |
| | |
| | | } |
| | | |
| | | parseImportSource() { |
| | | if (!this.match(120)) this.unexpected(); |
| | | if (!this.match(129)) this.unexpected(); |
| | | return this.parseExprAtom(); |
| | | } |
| | | |
| | |
| | | return tokenIsIdentifier(this.state.type); |
| | | } |
| | | |
| | | parseImportSpecifierLocal(node, specifier, type, contextDescription) { |
| | | parseImportSpecifierLocal(node, specifier, type) { |
| | | specifier.local = this.parseIdentifier(); |
| | | this.checkLVal(specifier.local, contextDescription, BIND_LEXICAL); |
| | | node.specifiers.push(this.finishNode(specifier, type)); |
| | | node.specifiers.push(this.finishImportSpecifier(specifier, type)); |
| | | } |
| | | |
| | | finishImportSpecifier(specifier, type) { |
| | | this.checkLVal(specifier.local, { |
| | | in: specifier, |
| | | binding: BIND_LEXICAL |
| | | }); |
| | | return this.finishNode(specifier, type); |
| | | } |
| | | |
| | | parseAssertEntries() { |
| | |
| | | const keyName = this.state.value; |
| | | |
| | | if (attrNames.has(keyName)) { |
| | | this.raise(this.state.start, ErrorMessages.ModuleAttributesWithDuplicateKeys, keyName); |
| | | this.raise(Errors.ModuleAttributesWithDuplicateKeys, { |
| | | at: this.state.startLoc, |
| | | key: keyName |
| | | }); |
| | | } |
| | | |
| | | attrNames.add(keyName); |
| | | |
| | | if (this.match(120)) { |
| | | if (this.match(129)) { |
| | | node.key = this.parseStringLiteral(keyName); |
| | | } else { |
| | | node.key = this.parseIdentifier(true); |
| | |
| | | |
| | | this.expect(14); |
| | | |
| | | if (!this.match(120)) { |
| | | throw this.unexpected(this.state.start, ErrorMessages.ModuleAttributeInvalidValue); |
| | | if (!this.match(129)) { |
| | | throw this.raise(Errors.ModuleAttributeInvalidValue, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | node.value = this.parseStringLiteral(this.state.value); |
| | |
| | | } |
| | | |
| | | maybeParseModuleAttributes() { |
| | | if (this.match(67) && !this.hasPrecedingLineBreak()) { |
| | | if (this.match(76) && !this.hasPrecedingLineBreak()) { |
| | | this.expectPlugin("moduleAttributes"); |
| | | this.next(); |
| | | } else { |
| | |
| | | node.key = this.parseIdentifier(true); |
| | | |
| | | if (node.key.name !== "type") { |
| | | this.raise(node.key.start, ErrorMessages.ModuleAttributeDifferentFromType, node.key.name); |
| | | this.raise(Errors.ModuleAttributeDifferentFromType, { |
| | | at: node.key |
| | | }); |
| | | } |
| | | |
| | | if (attributes.has(node.key.name)) { |
| | | this.raise(node.key.start, ErrorMessages.ModuleAttributesWithDuplicateKeys, node.key.name); |
| | | this.raise(Errors.ModuleAttributesWithDuplicateKeys, { |
| | | at: node.key, |
| | | key: node.key.name |
| | | }); |
| | | } |
| | | |
| | | attributes.add(node.key.name); |
| | | this.expect(14); |
| | | |
| | | if (!this.match(120)) { |
| | | throw this.unexpected(this.state.start, ErrorMessages.ModuleAttributeInvalidValue); |
| | | if (!this.match(129)) { |
| | | throw this.raise(Errors.ModuleAttributeInvalidValue, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | node.value = this.parseStringLiteral(this.state.value); |
| | |
| | | } |
| | | |
| | | maybeParseImportAssertions() { |
| | | if (this.isContextual(85) && !this.hasPrecedingLineBreak()) { |
| | | if (this.isContextual(94) && !this.hasPrecedingLineBreak()) { |
| | | this.expectPlugin("importAssertions"); |
| | | this.next(); |
| | | } else { |
| | |
| | | |
| | | maybeParseDefaultImportSpecifier(node) { |
| | | if (this.shouldParseDefaultImport(node)) { |
| | | this.parseImportSpecifierLocal(node, this.startNode(), "ImportDefaultSpecifier", "default import specifier"); |
| | | this.parseImportSpecifierLocal(node, this.startNode(), "ImportDefaultSpecifier"); |
| | | return true; |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | maybeParseStarImportSpecifier(node) { |
| | | if (this.match(46)) { |
| | | if (this.match(55)) { |
| | | const specifier = this.startNode(); |
| | | this.next(); |
| | | this.expectContextual(84); |
| | | this.parseImportSpecifierLocal(node, specifier, "ImportNamespaceSpecifier", "import namespace specifier"); |
| | | this.expectContextual(93); |
| | | this.parseImportSpecifierLocal(node, specifier, "ImportNamespaceSpecifier"); |
| | | return true; |
| | | } |
| | | |
| | |
| | | first = false; |
| | | } else { |
| | | if (this.eat(14)) { |
| | | throw this.raise(this.state.start, ErrorMessages.DestructureNamedImport); |
| | | throw this.raise(Errors.DestructureNamedImport, { |
| | | at: this.state.startLoc |
| | | }); |
| | | } |
| | | |
| | | this.expect(12); |
| | | if (this.eat(8)) break; |
| | | } |
| | | |
| | | this.parseImportSpecifier(node); |
| | | const specifier = this.startNode(); |
| | | const importedIsString = this.match(129); |
| | | const isMaybeTypeOnly = this.isContextual(126); |
| | | specifier.imported = this.parseModuleExportName(); |
| | | const importSpecifier = this.parseImportSpecifier(specifier, importedIsString, node.importKind === "type" || node.importKind === "typeof", isMaybeTypeOnly); |
| | | node.specifiers.push(importSpecifier); |
| | | } |
| | | } |
| | | |
| | | parseImportSpecifier(node) { |
| | | const specifier = this.startNode(); |
| | | const importedIsString = this.match(120); |
| | | specifier.imported = this.parseModuleExportName(); |
| | | |
| | | if (this.eatContextual(84)) { |
| | | parseImportSpecifier(specifier, importedIsString, isInTypeOnlyImport, isMaybeTypeOnly) { |
| | | if (this.eatContextual(93)) { |
| | | specifier.local = this.parseIdentifier(); |
| | | } else { |
| | | const { |
| | |
| | | } = specifier; |
| | | |
| | | if (importedIsString) { |
| | | throw this.raise(specifier.start, ErrorMessages.ImportBindingIsString, imported.value); |
| | | throw this.raise(Errors.ImportBindingIsString, { |
| | | at: specifier, |
| | | importName: imported.value |
| | | }); |
| | | } |
| | | |
| | | this.checkReservedWord(imported.name, specifier.start, true, true); |
| | | specifier.local = cloneIdentifier(imported); |
| | | this.checkReservedWord(imported.name, specifier.loc.start, true, true); |
| | | |
| | | if (!specifier.local) { |
| | | specifier.local = cloneIdentifier(imported); |
| | | } |
| | | } |
| | | |
| | | this.checkLVal(specifier.local, "import specifier", BIND_LEXICAL); |
| | | node.specifiers.push(this.finishNode(specifier, "ImportSpecifier")); |
| | | return this.finishImportSpecifier(specifier, "ImportSpecifier"); |
| | | } |
| | | |
| | | isThisParam(param) { |