diff --git a/deps/acorn/acorn/CHANGELOG.md b/deps/acorn/acorn/CHANGELOG.md index ac78102da6ada7..6a0883a69c5790 100644 --- a/deps/acorn/acorn/CHANGELOG.md +++ b/deps/acorn/acorn/CHANGELOG.md @@ -1,3 +1,15 @@ +## 8.9.0 (2023-06-16) + +### Bug fixes + +Forbid dynamic import after `new`, even when part of a member expression. + +### New features + +Add Unicode properties for ES2023. + +Add support for the `v` flag to regular expressions. + ## 8.8.2 (2023-01-23) ### Bug fixes diff --git a/deps/acorn/acorn/README.md b/deps/acorn/acorn/README.md index 61e7dd35edf164..bd267706f3fcea 100644 --- a/deps/acorn/acorn/README.md +++ b/deps/acorn/acorn/README.md @@ -96,10 +96,11 @@ required): (when `sourceType` is not `"module"`). - **allowAwaitOutsideFunction**: If `false`, `await` expressions can - only appear inside `async` functions. Defaults to `true` for - `ecmaVersion` 2022 and later, `false` for lower versions. Setting this option to - `true` allows to have top-level `await` expressions. They are - still not allowed in non-`async` functions, though. + only appear inside `async` functions. Defaults to `true` in modules + for `ecmaVersion` 2022 and later, `false` for lower versions. + Setting this option to `true` allows to have top-level `await` + expressions. They are still not allowed in non-`async` functions, + though. - **allowSuperOutsideMethod**: By default, `super` outside a method raises an error. Set this to `true` to accept such code. diff --git a/deps/acorn/acorn/dist/acorn.d.mts b/deps/acorn/acorn/dist/acorn.d.mts new file mode 100644 index 00000000000000..49ae59fd95776a --- /dev/null +++ b/deps/acorn/acorn/dist/acorn.d.mts @@ -0,0 +1,26 @@ +export { + Node, + Parser, + Position, + SourceLocation, + TokContext, + Token, + TokenType, + defaultOptions, + getLineInfo, + isIdentifierChar, + isIdentifierStart, + isNewLine, + lineBreak, + lineBreakG, + parse, + parseExpressionAt, + tokContexts, + tokTypes, + tokenizer, + version, + AbstractToken, + Comment, + Options, + ecmaVersion, +} from "./acorn.js"; diff --git a/deps/acorn/acorn/dist/acorn.d.ts b/deps/acorn/acorn/dist/acorn.d.ts index 870d59d814c1f9..355d4e2ce76ea3 100644 --- a/deps/acorn/acorn/dist/acorn.d.ts +++ b/deps/acorn/acorn/dist/acorn.d.ts @@ -249,4 +249,44 @@ declare namespace acorn { const lineBreakG: RegExp const version: string + + const nonASCIIwhitespace: RegExp + + const keywordTypes: { + _break: TokenType + _case: TokenType + _catch: TokenType + _continue: TokenType + _debugger: TokenType + _default: TokenType + _do: TokenType + _else: TokenType + _finally: TokenType + _for: TokenType + _function: TokenType + _if: TokenType + _return: TokenType + _switch: TokenType + _throw: TokenType + _try: TokenType + _var: TokenType + _const: TokenType + _while: TokenType + _with: TokenType + _new: TokenType + _this: TokenType + _super: TokenType + _class: TokenType + _extends: TokenType + _export: TokenType + _import: TokenType + _null: TokenType + _true: TokenType + _false: TokenType + _in: TokenType + _instanceof: TokenType + _typeof: TokenType + _void: TokenType + _delete: TokenType + } } diff --git a/deps/acorn/acorn/dist/acorn.js b/deps/acorn/acorn/dist/acorn.js index f623ebc9e3cf7a..300c7430bcba6d 100644 --- a/deps/acorn/acorn/dist/acorn.js +++ b/deps/acorn/acorn/dist/acorn.js @@ -17,6 +17,9 @@ var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ca\ua7d0\ua7d1\ua7d3\ua7d5-\ua7d9\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; // These are a run-length and offset encoded representation of the + // >0xffff code points that are a valid part of identifiers. The + // offset starts at 0x10000, and each pair of numbers represents an + // offset to the next range, and then a size of the range. // Reserved word lists for various dialects of the language @@ -1135,6 +1138,16 @@ var empty$1 = []; + pp$8.parseCatchClauseParam = function() { + var param = this.parseBindingAtom(); + var simple = param.type === "Identifier"; + this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); + this.checkLValPattern(param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); + this.expect(types$1.parenR); + + return param + }; + pp$8.parseTryStatement = function(node) { this.next(); node.block = this.parseBlock(); @@ -1143,11 +1156,7 @@ var clause = this.startNode(); this.next(); if (this.eat(types$1.parenL)) { - clause.param = this.parseBindingAtom(); - var simple = clause.param.type === "Identifier"; - this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); - this.checkLValPattern(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); - this.expect(types$1.parenR); + clause.param = this.parseCatchClauseParam(); } else { if (this.options.ecmaVersion < 10) { this.unexpected(); } clause.param = null; @@ -1163,9 +1172,9 @@ return this.finishNode(node, "TryStatement") }; - pp$8.parseVarStatement = function(node, kind) { + pp$8.parseVarStatement = function(node, kind, allowMissingInitializer) { this.next(); - this.parseVar(node, false, kind); + this.parseVar(node, false, kind, allowMissingInitializer); this.semicolon(); return this.finishNode(node, "VariableDeclaration") }; @@ -1294,7 +1303,7 @@ // Parse a list of variable declarations. - pp$8.parseVar = function(node, isFor, kind) { + pp$8.parseVar = function(node, isFor, kind, allowMissingInitializer) { node.declarations = []; node.kind = kind; for (;;) { @@ -1302,9 +1311,9 @@ this.parseVarId(decl, kind); if (this.eat(types$1.eq)) { decl.init = this.parseMaybeAssign(isFor); - } else if (kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { + } else if (!allowMissingInitializer && kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { this.unexpected(); - } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { + } else if (!allowMissingInitializer && decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); } else { decl.init = null; @@ -1393,7 +1402,7 @@ if (element) { classBody.body.push(element); if (element.type === "MethodDefinition" && element.kind === "constructor") { - if (hadConstructor) { this.raise(element.start, "Duplicate constructor in the same class"); } + if (hadConstructor) { this.raiseRecoverable(element.start, "Duplicate constructor in the same class"); } hadConstructor = true; } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) { this.raiseRecoverable(element.key.start, ("Identifier '#" + (element.key.name) + "' has already been declared")); @@ -1642,44 +1651,36 @@ // Parses module export declaration. + pp$8.parseExportAllDeclaration = function(node, exports) { + if (this.options.ecmaVersion >= 11) { + if (this.eatContextual("as")) { + node.exported = this.parseModuleExportName(); + this.checkExport(exports, node.exported, this.lastTokStart); + } else { + node.exported = null; + } + } + this.expectContextual("from"); + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + this.semicolon(); + return this.finishNode(node, "ExportAllDeclaration") + }; + pp$8.parseExport = function(node, exports) { this.next(); // export * from '...' if (this.eat(types$1.star)) { - if (this.options.ecmaVersion >= 11) { - if (this.eatContextual("as")) { - node.exported = this.parseModuleExportName(); - this.checkExport(exports, node.exported, this.lastTokStart); - } else { - node.exported = null; - } - } - this.expectContextual("from"); - if (this.type !== types$1.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - this.semicolon(); - return this.finishNode(node, "ExportAllDeclaration") + return this.parseExportAllDeclaration(node, exports) } if (this.eat(types$1._default)) { // export default ... this.checkExport(exports, "default", this.lastTokStart); - var isAsync; - if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { - var fNode = this.startNode(); - this.next(); - if (isAsync) { this.next(); } - node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); - } else if (this.type === types$1._class) { - var cNode = this.startNode(); - node.declaration = this.parseClass(cNode, "nullableID"); - } else { - node.declaration = this.parseMaybeAssign(); - this.semicolon(); - } + node.declaration = this.parseExportDefaultDeclaration(); return this.finishNode(node, "ExportDefaultDeclaration") } // export var|const|let|function|class ... if (this.shouldParseExportStatement()) { - node.declaration = this.parseStatement(null); + node.declaration = this.parseExportDeclaration(node); if (node.declaration.type === "VariableDeclaration") { this.checkVariableExport(exports, node.declaration.declarations); } else @@ -1713,6 +1714,27 @@ return this.finishNode(node, "ExportNamedDeclaration") }; + pp$8.parseExportDeclaration = function(node) { + return this.parseStatement(null) + }; + + pp$8.parseExportDefaultDeclaration = function() { + var isAsync; + if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) { this.next(); } + return this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync) + } else if (this.type === types$1._class) { + var cNode = this.startNode(); + return this.parseClass(cNode, "nullableID") + } else { + var declaration = this.parseMaybeAssign(); + this.semicolon(); + return declaration + } + }; + pp$8.checkExport = function(exports, name, pos) { if (!exports) { return } if (typeof name !== "string") @@ -1770,6 +1792,20 @@ // Parses a comma-separated list of module exports. + pp$8.parseExportSpecifier = function(exports) { + var node = this.startNode(); + node.local = this.parseModuleExportName(); + + node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; + this.checkExport( + exports, + node.exported, + node.exported.start + ); + + return this.finishNode(node, "ExportSpecifier") + }; + pp$8.parseExportSpecifiers = function(exports) { var nodes = [], first = true; // export { x, y as z } [from '...'] @@ -1780,15 +1816,7 @@ if (this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } - var node = this.startNode(); - node.local = this.parseModuleExportName(); - node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; - this.checkExport( - exports, - node.exported, - node.exported.start - ); - nodes.push(this.finishNode(node, "ExportSpecifier")); + nodes.push(this.parseExportSpecifier(exports)); } return nodes }; @@ -1797,6 +1825,7 @@ pp$8.parseImport = function(node) { this.next(); + // import '...' if (this.type === types$1.string) { node.specifiers = empty$1; @@ -1812,23 +1841,46 @@ // Parses a comma-separated list of module imports. + pp$8.parseImportSpecifier = function() { + var node = this.startNode(); + node.imported = this.parseModuleExportName(); + + if (this.eatContextual("as")) { + node.local = this.parseIdent(); + } else { + this.checkUnreserved(node.imported); + node.local = node.imported; + } + this.checkLValSimple(node.local, BIND_LEXICAL); + + return this.finishNode(node, "ImportSpecifier") + }; + + pp$8.parseImportDefaultSpecifier = function() { + // import defaultObj, { x, y as z } from '...' + var node = this.startNode(); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportDefaultSpecifier") + }; + + pp$8.parseImportNamespaceSpecifier = function() { + var node = this.startNode(); + this.next(); + this.expectContextual("as"); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportNamespaceSpecifier") + }; + pp$8.parseImportSpecifiers = function() { var nodes = [], first = true; if (this.type === types$1.name) { - // import defaultObj, { x, y as z } from '...' - var node = this.startNode(); - node.local = this.parseIdent(); - this.checkLValSimple(node.local, BIND_LEXICAL); - nodes.push(this.finishNode(node, "ImportDefaultSpecifier")); + nodes.push(this.parseImportDefaultSpecifier()); if (!this.eat(types$1.comma)) { return nodes } } if (this.type === types$1.star) { - var node$1 = this.startNode(); - this.next(); - this.expectContextual("as"); - node$1.local = this.parseIdent(); - this.checkLValSimple(node$1.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier")); + nodes.push(this.parseImportNamespaceSpecifier()); return nodes } this.expect(types$1.braceL); @@ -1838,16 +1890,7 @@ if (this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } - var node$2 = this.startNode(); - node$2.imported = this.parseModuleExportName(); - if (this.eatContextual("as")) { - node$2.local = this.parseIdent(); - } else { - this.checkUnreserved(node$2.imported); - node$2.local = node$2.imported; - } - this.checkLValSimple(node$2.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$2, "ImportSpecifier")); + nodes.push(this.parseImportSpecifier()); } return nodes }; @@ -2020,7 +2063,7 @@ return this.parseIdent() }; - pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma) { + pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowModifiers) { var elts = [], first = true; while (!this.eat(close)) { if (first) { first = false; } @@ -2033,18 +2076,22 @@ var rest = this.parseRestBinding(); this.parseBindingListItem(rest); elts.push(rest); - if (this.type === types$1.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + if (this.type === types$1.comma) { this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } this.expect(close); break } else { - var elem = this.parseMaybeDefault(this.start, this.startLoc); - this.parseBindingListItem(elem); - elts.push(elem); + elts.push(this.parseAssignableListItem(allowModifiers)); } } return elts }; + pp$7.parseAssignableListItem = function(allowModifiers) { + var elem = this.parseMaybeDefault(this.start, this.startLoc); + this.parseBindingListItem(elem); + return elem + }; + pp$7.parseBindingListItem = function(param) { return param }; @@ -2210,6 +2257,9 @@ }; // The algorithm used to determine whether a regexp can appear at a + // given point in the program is loosely based on sweet.js' approach. + // See https://github.com/mozilla/sweet.js/wiki/design + var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { this.token = token; @@ -2365,6 +2415,23 @@ }; // A recursive descent parser operates by defining functions for all + // syntactic elements, and recursively calling those, each function + // advancing the input stream and returning an AST node. Precedence + // of constructs (for example, the fact that `!x[1]` means `!(x[1])` + // instead of `(!x)[1]` is handled by the fact that the parser + // function that parses unary prefix operators is called first, and + // in turn calls the function that parses `[]` subscripts — that + // way, it'll receive the node for `x[1]` already parsed, and wraps + // *that* in the unary operator node. + // + // Acorn uses an [operator precedence parser][opp] to handle binary + // operator precedence, because it is much more compact than using + // the technique outlined above, which uses different, nesting + // functions to specify precedence, for all of the ten binary + // precedence levels that JavaScript defines. + // + // [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser + var pp$5 = Parser.prototype; @@ -2668,6 +2735,14 @@ } }; + pp$5.shouldParseAsyncArrow = function() { + return !this.canInsertSemicolon() && this.eat(types$1.arrow) + }; + + pp$5.parseSubscriptAsyncArrow = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + }; + pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { var optionalSupported = this.options.ecmaVersion >= 11; var optional = optionalSupported && this.eat(types$1.questionDot); @@ -2696,7 +2771,7 @@ this.awaitPos = 0; this.awaitIdentPos = 0; var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); - if (maybeAsyncArrow && !optional && !this.canInsertSemicolon() && this.eat(types$1.arrow)) { + if (maybeAsyncArrow && !optional && this.shouldParseAsyncArrow()) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); if (this.awaitIdentPos > 0) @@ -2704,7 +2779,7 @@ this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + return this.parseSubscriptAsyncArrow(startPos, startLoc, exprList, forInit) } this.checkExpressionErrors(refDestructuringErrors, true); this.yieldPos = oldYieldPos || this.yieldPos; @@ -2734,7 +2809,7 @@ // `new`, or an expression wrapped in punctuation like `()`, `[]`, // or `{}`. - pp$5.parseExprAtom = function(refDestructuringErrors, forInit) { + pp$5.parseExprAtom = function(refDestructuringErrors, forInit, forNew) { // If a division operator appears in an expression position, the // tokenizer got confused, and we force it to read a regexp instead. if (this.type === types$1.slash) { this.readRegexp(); } @@ -2835,17 +2910,21 @@ case types$1._import: if (this.options.ecmaVersion >= 11) { - return this.parseExprImport() + return this.parseExprImport(forNew) } else { return this.unexpected() } default: - this.unexpected(); + return this.parseExprAtomDefault() } }; - pp$5.parseExprImport = function() { + pp$5.parseExprAtomDefault = function() { + this.unexpected(); + }; + + pp$5.parseExprImport = function(forNew) { var node = this.startNode(); // Consume `import` as an identifier for `import.meta`. @@ -2853,13 +2932,12 @@ if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } var meta = this.parseIdent(true); - switch (this.type) { - case types$1.parenL: + if (this.type === types$1.parenL && !forNew) { return this.parseDynamicImport(node) - case types$1.dot: + } else if (this.type === types$1.dot) { node.meta = meta; return this.parseImportMeta(node) - default: + } else { this.unexpected(); } }; @@ -2915,6 +2993,10 @@ return val }; + pp$5.shouldParseArrow = function(exprList) { + return !this.canInsertSemicolon() + }; + pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; if (this.options.ecmaVersion >= 6) { @@ -2934,7 +3016,12 @@ } else if (this.type === types$1.ellipsis) { spreadStart = this.start; exprList.push(this.parseParenItem(this.parseRestBinding())); - if (this.type === types$1.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + if (this.type === types$1.comma) { + this.raiseRecoverable( + this.start, + "Comma is not permitted after the rest element" + ); + } break } else { exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); @@ -2943,7 +3030,7 @@ var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; this.expect(types$1.parenR); - if (canBeArrow && !this.canInsertSemicolon() && this.eat(types$1.arrow)) { + if (canBeArrow && this.shouldParseArrow(exprList) && this.eat(types$1.arrow)) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); this.yieldPos = oldYieldPos; @@ -3009,11 +3096,8 @@ { this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); } return this.finishNode(node, "MetaProperty") } - var startPos = this.start, startLoc = this.startLoc, isImport = this.type === types$1._import; - node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true, false); - if (isImport && node.callee.type === "ImportExpression") { - this.raise(startPos, "Cannot use new with import()"); - } + var startPos = this.start, startLoc = this.startLoc; + node.callee = this.parseSubscripts(this.parseExprAtom(null, false, true), startPos, startLoc, true, false); if (this.eat(types$1.parenL)) { node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); } else { node.arguments = empty; } return this.finishNode(node, "NewExpression") @@ -3095,7 +3179,7 @@ if (isPattern) { prop.argument = this.parseIdent(false); if (this.type === types$1.comma) { - this.raise(this.start, "Comma is not permitted after the rest element"); + this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } return this.finishNode(prop, "RestElement") } @@ -3131,6 +3215,23 @@ return this.finishNode(prop, "Property") }; + pp$5.parseGetterSetter = function(prop) { + prop.kind = prop.key.name; + this.parsePropertyName(prop); + prop.value = this.parseMethod(false); + var paramCount = prop.kind === "get" ? 0 : 1; + if (prop.value.params.length !== paramCount) { + var start = prop.value.start; + if (prop.kind === "get") + { this.raiseRecoverable(start, "getter should have no params"); } + else + { this.raiseRecoverable(start, "setter should have exactly one param"); } + } else { + if (prop.kind === "set" && prop.value.params[0].type === "RestElement") + { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } + } + }; + pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { if ((isGenerator || isAsync) && this.type === types$1.colon) { this.unexpected(); } @@ -3148,20 +3249,7 @@ (prop.key.name === "get" || prop.key.name === "set") && (this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq)) { if (isGenerator || isAsync) { this.unexpected(); } - prop.kind = prop.key.name; - this.parsePropertyName(prop); - prop.value = this.parseMethod(false); - var paramCount = prop.kind === "get" ? 0 : 1; - if (prop.value.params.length !== paramCount) { - var start = prop.value.start; - if (prop.kind === "get") - { this.raiseRecoverable(start, "getter should have no params"); } - else - { this.raiseRecoverable(start, "setter should have exactly one param"); } - } else { - if (prop.kind === "set" && prop.value.params[0].type === "RestElement") - { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } - } + this.parseGetterSetter(prop); } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { if (isGenerator || isAsync) { this.unexpected(); } this.checkUnreserved(prop.key); @@ -3373,6 +3461,18 @@ // identifiers. pp$5.parseIdent = function(liberal) { + var node = this.parseIdentNode(); + this.next(!!liberal); + this.finishNode(node, "Identifier"); + if (!liberal) { + this.checkUnreserved(node); + if (node.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = node.start; } + } + return node + }; + + pp$5.parseIdentNode = function() { var node = this.startNode(); if (this.type === types$1.name) { node.name = this.value; @@ -3384,19 +3484,12 @@ // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword if ((node.name === "class" || node.name === "function") && - (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { + (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { this.context.pop(); } } else { this.unexpected(); } - this.next(!!liberal); - this.finishNode(node, "Identifier"); - if (!liberal) { - this.checkUnreserved(node); - if (node.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = node.start; } - } return node }; @@ -3636,6 +3729,18 @@ 14: ecma14BinaryProperties }; + // #table-binary-unicode-properties-of-strings + var ecma14BinaryPropertiesOfStrings = "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Flag_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence RGI_Emoji"; + + var unicodeBinaryPropertiesOfStrings = { + 9: "", + 10: "", + 11: "", + 12: "", + 13: "", + 14: ecma14BinaryPropertiesOfStrings + }; + // #table-unicode-general-category-values var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; @@ -3645,7 +3750,7 @@ var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; var ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"; var ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"; - var ecma14ScriptValues = ecma13ScriptValues + " Kawi Nag_Mundari Nagm"; + var ecma14ScriptValues = ecma13ScriptValues + " Hrkt Katakana_Or_Hiragana Kawi Nag_Mundari Nagm Unknown Zzzz"; var unicodeScriptValues = { 9: ecma9ScriptValues, @@ -3660,6 +3765,7 @@ function buildUnicodeData(ecmaVersion) { var d = data[ecmaVersion] = { binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), + binaryOfStrings: wordsRegexp(unicodeBinaryPropertiesOfStrings[ecmaVersion]), nonBinary: { General_Category: wordsRegexp(unicodeGeneralCategoryValues), Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) @@ -3682,12 +3788,13 @@ var RegExpValidationState = function RegExpValidationState(parser) { this.parser = parser; - this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : ""); + this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : "") + (parser.options.ecmaVersion >= 15 ? "v" : ""); this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; this.source = ""; this.flags = ""; this.start = 0; this.switchU = false; + this.switchV = false; this.switchN = false; this.pos = 0; this.lastIntValue = 0; @@ -3700,12 +3807,20 @@ }; RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { + var unicodeSets = flags.indexOf("v") !== -1; var unicode = flags.indexOf("u") !== -1; this.start = start | 0; this.source = pattern + ""; this.flags = flags; - this.switchU = unicode && this.parser.options.ecmaVersion >= 6; - this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + if (unicodeSets && this.parser.options.ecmaVersion >= 15) { + this.switchU = true; + this.switchV = true; + this.switchN = true; + } else { + this.switchU = unicode && this.parser.options.ecmaVersion >= 6; + this.switchV = false; + this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + } }; RegExpValidationState.prototype.raise = function raise (message) { @@ -3774,6 +3889,23 @@ return false }; + RegExpValidationState.prototype.eatChars = function eatChars (chs, forceU) { + if ( forceU === void 0 ) forceU = false; + + var pos = this.pos; + for (var i = 0, list = chs; i < list.length; i += 1) { + var ch = list[i]; + + var current = this.at(pos, forceU); + if (current === -1 || current !== ch) { + return false + } + pos = this.nextIndex(pos, forceU); + } + this.pos = pos; + return true + }; + /** * Validate the flags part of a given RegExpLiteral. * @@ -3784,6 +3916,9 @@ var validFlags = state.validFlags; var flags = state.flags; + var u = false; + var v = false; + for (var i = 0; i < flags.length; i++) { var flag = flags.charAt(i); if (validFlags.indexOf(flag) === -1) { @@ -3792,6 +3927,11 @@ if (flags.indexOf(flag, i + 1) > -1) { this.raise(state.start, "Duplicate regular expression flag"); } + if (flag === "u") { u = true; } + if (flag === "v") { v = true; } + } + if (this.options.ecmaVersion >= 15 && u && v) { + this.raise(state.start, "Invalid regular expression flag"); } }; @@ -4410,6 +4550,12 @@ return false }; + // Return values used by character set parsing methods, needed to + // forbid negation of sets that can match strings. + var CharSetNone = 0; // Nothing parsed + var CharSetOk = 1; // Construct parsed, cannot contain strings + var CharSetString = 2; // Construct parsed, can contain strings + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape pp$1.regexp_eatCharacterClassEscape = function(state) { var ch = state.current(); @@ -4417,28 +4563,32 @@ if (isCharacterClassEscape(ch)) { state.lastIntValue = -1; state.advance(); - return true + return CharSetOk } + var negate = false; if ( state.switchU && this.options.ecmaVersion >= 9 && - (ch === 0x50 /* P */ || ch === 0x70 /* p */) + ((negate = ch === 0x50 /* P */) || ch === 0x70 /* p */) ) { state.lastIntValue = -1; state.advance(); + var result; if ( state.eat(0x7B /* { */) && - this.regexp_eatUnicodePropertyValueExpression(state) && + (result = this.regexp_eatUnicodePropertyValueExpression(state)) && state.eat(0x7D /* } */) ) { - return true + if (negate && result === CharSetString) { state.raise("Invalid property name"); } + return result } state.raise("Invalid property name"); } - return false + return CharSetNone }; + function isCharacterClassEscape(ch) { return ( ch === 0x64 /* d */ || @@ -4462,7 +4612,7 @@ if (this.regexp_eatUnicodePropertyValue(state)) { var value = state.lastStringValue; this.regexp_validateUnicodePropertyNameAndValue(state, name, value); - return true + return CharSetOk } } state.pos = start; @@ -4470,20 +4620,22 @@ // LoneUnicodePropertyNameOrValue if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { var nameOrValue = state.lastStringValue; - this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); - return true + return this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue) } - return false + return CharSetNone }; + pp$1.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { if (!hasOwn(state.unicodeProperties.nonBinary, name)) { state.raise("Invalid property name"); } if (!state.unicodeProperties.nonBinary[name].test(value)) { state.raise("Invalid property value"); } }; + pp$1.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { - if (!state.unicodeProperties.binary.test(nameOrValue)) - { state.raise("Invalid property name"); } + if (state.unicodeProperties.binary.test(nameOrValue)) { return CharSetOk } + if (state.switchV && state.unicodeProperties.binaryOfStrings.test(nameOrValue)) { return CharSetString } + state.raise("Invalid property name"); }; // UnicodePropertyName :: @@ -4497,6 +4649,7 @@ } return state.lastStringValue !== "" }; + function isUnicodePropertyNameCharacter(ch) { return isControlLetter(ch) || ch === 0x5F /* _ */ } @@ -4525,21 +4678,29 @@ // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass pp$1.regexp_eatCharacterClass = function(state) { if (state.eat(0x5B /* [ */)) { - state.eat(0x5E /* ^ */); - this.regexp_classRanges(state); - if (state.eat(0x5D /* ] */)) { - return true - } - // Unreachable since it threw "unterminated regular expression" error before. - state.raise("Unterminated character class"); + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (!state.eat(0x5D /* ] */)) + { state.raise("Unterminated character class"); } + if (negate && result === CharSetString) + { state.raise("Negated character class may contain strings"); } + return true } return false }; + // https://tc39.es/ecma262/#prod-ClassContents // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges + pp$1.regexp_classContents = function(state) { + if (state.current() === 0x5D /* ] */) { return CharSetOk } + if (state.switchV) { return this.regexp_classSetExpression(state) } + this.regexp_nonEmptyClassRanges(state); + return CharSetOk + }; + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash - pp$1.regexp_classRanges = function(state) { + pp$1.regexp_nonEmptyClassRanges = function(state) { while (this.regexp_eatClassAtom(state)) { var left = state.lastIntValue; if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { @@ -4611,6 +4772,205 @@ ) }; + // https://tc39.es/ecma262/#prod-ClassSetExpression + // https://tc39.es/ecma262/#prod-ClassUnion + // https://tc39.es/ecma262/#prod-ClassIntersection + // https://tc39.es/ecma262/#prod-ClassSubtraction + pp$1.regexp_classSetExpression = function(state) { + var result = CharSetOk, subResult; + if (this.regexp_eatClassSetRange(state)) ; else if (subResult = this.regexp_eatClassSetOperand(state)) { + if (subResult === CharSetString) { result = CharSetString; } + // https://tc39.es/ecma262/#prod-ClassIntersection + var start = state.pos; + while (state.eatChars([0x26, 0x26] /* && */)) { + if ( + state.current() !== 0x26 /* & */ && + (subResult = this.regexp_eatClassSetOperand(state)) + ) { + if (subResult !== CharSetString) { result = CharSetOk; } + continue + } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + // https://tc39.es/ecma262/#prod-ClassSubtraction + while (state.eatChars([0x2D, 0x2D] /* -- */)) { + if (this.regexp_eatClassSetOperand(state)) { continue } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + } else { + state.raise("Invalid character in character class"); + } + // https://tc39.es/ecma262/#prod-ClassUnion + for (;;) { + if (this.regexp_eatClassSetRange(state)) { continue } + subResult = this.regexp_eatClassSetOperand(state); + if (!subResult) { return result } + if (subResult === CharSetString) { result = CharSetString; } + } + }; + + // https://tc39.es/ecma262/#prod-ClassSetRange + pp$1.regexp_eatClassSetRange = function(state) { + var start = state.pos; + if (this.regexp_eatClassSetCharacter(state)) { + var left = state.lastIntValue; + if (state.eat(0x2D /* - */) && this.regexp_eatClassSetCharacter(state)) { + var right = state.lastIntValue; + if (left !== -1 && right !== -1 && left > right) { + state.raise("Range out of order in character class"); + } + return true + } + state.pos = start; + } + return false + }; + + // https://tc39.es/ecma262/#prod-ClassSetOperand + pp$1.regexp_eatClassSetOperand = function(state) { + if (this.regexp_eatClassSetCharacter(state)) { return CharSetOk } + return this.regexp_eatClassStringDisjunction(state) || this.regexp_eatNestedClass(state) + }; + + // https://tc39.es/ecma262/#prod-NestedClass + pp$1.regexp_eatNestedClass = function(state) { + var start = state.pos; + if (state.eat(0x5B /* [ */)) { + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (state.eat(0x5D /* ] */)) { + if (negate && result === CharSetString) { + state.raise("Negated character class may contain strings"); + } + return result + } + state.pos = start; + } + if (state.eat(0x5C /* \ */)) { + var result$1 = this.regexp_eatCharacterClassEscape(state); + if (result$1) { + return result$1 + } + state.pos = start; + } + return null + }; + + // https://tc39.es/ecma262/#prod-ClassStringDisjunction + pp$1.regexp_eatClassStringDisjunction = function(state) { + var start = state.pos; + if (state.eatChars([0x5C, 0x71] /* \q */)) { + if (state.eat(0x7B /* { */)) { + var result = this.regexp_classStringDisjunctionContents(state); + if (state.eat(0x7D /* } */)) { + return result + } + } else { + // Make the same message as V8. + state.raise("Invalid escape"); + } + state.pos = start; + } + return null + }; + + // https://tc39.es/ecma262/#prod-ClassStringDisjunctionContents + pp$1.regexp_classStringDisjunctionContents = function(state) { + var result = this.regexp_classString(state); + while (state.eat(0x7C /* | */)) { + if (this.regexp_classString(state) === CharSetString) { result = CharSetString; } + } + return result + }; + + // https://tc39.es/ecma262/#prod-ClassString + // https://tc39.es/ecma262/#prod-NonEmptyClassString + pp$1.regexp_classString = function(state) { + var count = 0; + while (this.regexp_eatClassSetCharacter(state)) { count++; } + return count === 1 ? CharSetOk : CharSetString + }; + + // https://tc39.es/ecma262/#prod-ClassSetCharacter + pp$1.regexp_eatClassSetCharacter = function(state) { + var start = state.pos; + if (state.eat(0x5C /* \ */)) { + if ( + this.regexp_eatCharacterEscape(state) || + this.regexp_eatClassSetReservedPunctuator(state) + ) { + return true + } + if (state.eat(0x62 /* b */)) { + state.lastIntValue = 0x08; /* */ + return true + } + state.pos = start; + return false + } + var ch = state.current(); + if (ch < 0 || ch === state.lookahead() && isClassSetReservedDoublePunctuatorCharacter(ch)) { return false } + if (isClassSetSyntaxCharacter(ch)) { return false } + state.advance(); + state.lastIntValue = ch; + return true + }; + + // https://tc39.es/ecma262/#prod-ClassSetReservedDoublePunctuator + function isClassSetReservedDoublePunctuatorCharacter(ch) { + return ( + ch === 0x21 /* ! */ || + ch >= 0x23 /* # */ && ch <= 0x26 /* & */ || + ch >= 0x2A /* * */ && ch <= 0x2C /* , */ || + ch === 0x2E /* . */ || + ch >= 0x3A /* : */ && ch <= 0x40 /* @ */ || + ch === 0x5E /* ^ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) + } + + // https://tc39.es/ecma262/#prod-ClassSetSyntaxCharacter + function isClassSetSyntaxCharacter(ch) { + return ( + ch === 0x28 /* ( */ || + ch === 0x29 /* ) */ || + ch === 0x2D /* - */ || + ch === 0x2F /* / */ || + ch >= 0x5B /* [ */ && ch <= 0x5D /* ] */ || + ch >= 0x7B /* { */ && ch <= 0x7D /* } */ + ) + } + + // https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator + pp$1.regexp_eatClassSetReservedPunctuator = function(state) { + var ch = state.current(); + if (isClassSetReservedPunctuator(ch)) { + state.lastIntValue = ch; + state.advance(); + return true + } + return false + }; + + // https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator + function isClassSetReservedPunctuator(ch) { + return ( + ch === 0x21 /* ! */ || + ch === 0x23 /* # */ || + ch === 0x25 /* % */ || + ch === 0x26 /* & */ || + ch === 0x2C /* , */ || + ch === 0x2D /* - */ || + ch >= 0x3A /* : */ && ch <= 0x3E /* > */ || + ch === 0x40 /* @ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) + } + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter pp$1.regexp_eatClassControlLetter = function(state) { var ch = state.current(); @@ -5531,8 +5891,23 @@ }; // Acorn is a tiny, fast JavaScript parser written in JavaScript. + // + // Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and + // various contributors and released under an MIT license. + // + // Git repositories for Acorn are available at + // + // http://marijnhaverbeke.nl/git/acorn + // https://github.com/acornjs/acorn.git + // + // Please use the [github bug tracker][ghbt] to report issues. + // + // [ghbt]: https://github.com/acornjs/acorn/issues + // + // [walk]: util/walk.js + - var version = "8.8.2"; + var version = "8.9.0"; Parser.acorn = { Parser: Parser, diff --git a/deps/acorn/acorn/dist/acorn.mjs b/deps/acorn/acorn/dist/acorn.mjs index 1d7e1f9f530b64..6f30642569f64b 100644 --- a/deps/acorn/acorn/dist/acorn.mjs +++ b/deps/acorn/acorn/dist/acorn.mjs @@ -11,6 +11,9 @@ var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\ var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7ca\ua7d0\ua7d1\ua7d3\ua7d5-\ua7d9\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; // These are a run-length and offset encoded representation of the +// >0xffff code points that are a valid part of identifiers. The +// offset starts at 0x10000, and each pair of numbers represents an +// offset to the next range, and then a size of the range. // Reserved word lists for various dialects of the language @@ -1129,6 +1132,16 @@ pp$8.parseThrowStatement = function(node) { var empty$1 = []; +pp$8.parseCatchClauseParam = function() { + var param = this.parseBindingAtom(); + var simple = param.type === "Identifier"; + this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); + this.checkLValPattern(param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); + this.expect(types$1.parenR); + + return param +}; + pp$8.parseTryStatement = function(node) { this.next(); node.block = this.parseBlock(); @@ -1137,11 +1150,7 @@ pp$8.parseTryStatement = function(node) { var clause = this.startNode(); this.next(); if (this.eat(types$1.parenL)) { - clause.param = this.parseBindingAtom(); - var simple = clause.param.type === "Identifier"; - this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); - this.checkLValPattern(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); - this.expect(types$1.parenR); + clause.param = this.parseCatchClauseParam(); } else { if (this.options.ecmaVersion < 10) { this.unexpected(); } clause.param = null; @@ -1157,9 +1166,9 @@ pp$8.parseTryStatement = function(node) { return this.finishNode(node, "TryStatement") }; -pp$8.parseVarStatement = function(node, kind) { +pp$8.parseVarStatement = function(node, kind, allowMissingInitializer) { this.next(); - this.parseVar(node, false, kind); + this.parseVar(node, false, kind, allowMissingInitializer); this.semicolon(); return this.finishNode(node, "VariableDeclaration") }; @@ -1288,7 +1297,7 @@ pp$8.parseForIn = function(node, init) { // Parse a list of variable declarations. -pp$8.parseVar = function(node, isFor, kind) { +pp$8.parseVar = function(node, isFor, kind, allowMissingInitializer) { node.declarations = []; node.kind = kind; for (;;) { @@ -1296,9 +1305,9 @@ pp$8.parseVar = function(node, isFor, kind) { this.parseVarId(decl, kind); if (this.eat(types$1.eq)) { decl.init = this.parseMaybeAssign(isFor); - } else if (kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { + } else if (!allowMissingInitializer && kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { this.unexpected(); - } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { + } else if (!allowMissingInitializer && decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); } else { decl.init = null; @@ -1387,7 +1396,7 @@ pp$8.parseClass = function(node, isStatement) { if (element) { classBody.body.push(element); if (element.type === "MethodDefinition" && element.kind === "constructor") { - if (hadConstructor) { this.raise(element.start, "Duplicate constructor in the same class"); } + if (hadConstructor) { this.raiseRecoverable(element.start, "Duplicate constructor in the same class"); } hadConstructor = true; } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) { this.raiseRecoverable(element.key.start, ("Identifier '#" + (element.key.name) + "' has already been declared")); @@ -1636,44 +1645,36 @@ function checkKeyName(node, name) { // Parses module export declaration. +pp$8.parseExportAllDeclaration = function(node, exports) { + if (this.options.ecmaVersion >= 11) { + if (this.eatContextual("as")) { + node.exported = this.parseModuleExportName(); + this.checkExport(exports, node.exported, this.lastTokStart); + } else { + node.exported = null; + } + } + this.expectContextual("from"); + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + this.semicolon(); + return this.finishNode(node, "ExportAllDeclaration") +}; + pp$8.parseExport = function(node, exports) { this.next(); // export * from '...' if (this.eat(types$1.star)) { - if (this.options.ecmaVersion >= 11) { - if (this.eatContextual("as")) { - node.exported = this.parseModuleExportName(); - this.checkExport(exports, node.exported, this.lastTokStart); - } else { - node.exported = null; - } - } - this.expectContextual("from"); - if (this.type !== types$1.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - this.semicolon(); - return this.finishNode(node, "ExportAllDeclaration") + return this.parseExportAllDeclaration(node, exports) } if (this.eat(types$1._default)) { // export default ... this.checkExport(exports, "default", this.lastTokStart); - var isAsync; - if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { - var fNode = this.startNode(); - this.next(); - if (isAsync) { this.next(); } - node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); - } else if (this.type === types$1._class) { - var cNode = this.startNode(); - node.declaration = this.parseClass(cNode, "nullableID"); - } else { - node.declaration = this.parseMaybeAssign(); - this.semicolon(); - } + node.declaration = this.parseExportDefaultDeclaration(); return this.finishNode(node, "ExportDefaultDeclaration") } // export var|const|let|function|class ... if (this.shouldParseExportStatement()) { - node.declaration = this.parseStatement(null); + node.declaration = this.parseExportDeclaration(node); if (node.declaration.type === "VariableDeclaration") { this.checkVariableExport(exports, node.declaration.declarations); } else @@ -1707,6 +1708,27 @@ pp$8.parseExport = function(node, exports) { return this.finishNode(node, "ExportNamedDeclaration") }; +pp$8.parseExportDeclaration = function(node) { + return this.parseStatement(null) +}; + +pp$8.parseExportDefaultDeclaration = function() { + var isAsync; + if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) { this.next(); } + return this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync) + } else if (this.type === types$1._class) { + var cNode = this.startNode(); + return this.parseClass(cNode, "nullableID") + } else { + var declaration = this.parseMaybeAssign(); + this.semicolon(); + return declaration + } +}; + pp$8.checkExport = function(exports, name, pos) { if (!exports) { return } if (typeof name !== "string") @@ -1764,6 +1786,20 @@ pp$8.shouldParseExportStatement = function() { // Parses a comma-separated list of module exports. +pp$8.parseExportSpecifier = function(exports) { + var node = this.startNode(); + node.local = this.parseModuleExportName(); + + node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; + this.checkExport( + exports, + node.exported, + node.exported.start + ); + + return this.finishNode(node, "ExportSpecifier") +}; + pp$8.parseExportSpecifiers = function(exports) { var nodes = [], first = true; // export { x, y as z } [from '...'] @@ -1774,15 +1810,7 @@ pp$8.parseExportSpecifiers = function(exports) { if (this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } - var node = this.startNode(); - node.local = this.parseModuleExportName(); - node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; - this.checkExport( - exports, - node.exported, - node.exported.start - ); - nodes.push(this.finishNode(node, "ExportSpecifier")); + nodes.push(this.parseExportSpecifier(exports)); } return nodes }; @@ -1791,6 +1819,7 @@ pp$8.parseExportSpecifiers = function(exports) { pp$8.parseImport = function(node) { this.next(); + // import '...' if (this.type === types$1.string) { node.specifiers = empty$1; @@ -1806,23 +1835,46 @@ pp$8.parseImport = function(node) { // Parses a comma-separated list of module imports. +pp$8.parseImportSpecifier = function() { + var node = this.startNode(); + node.imported = this.parseModuleExportName(); + + if (this.eatContextual("as")) { + node.local = this.parseIdent(); + } else { + this.checkUnreserved(node.imported); + node.local = node.imported; + } + this.checkLValSimple(node.local, BIND_LEXICAL); + + return this.finishNode(node, "ImportSpecifier") +}; + +pp$8.parseImportDefaultSpecifier = function() { + // import defaultObj, { x, y as z } from '...' + var node = this.startNode(); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportDefaultSpecifier") +}; + +pp$8.parseImportNamespaceSpecifier = function() { + var node = this.startNode(); + this.next(); + this.expectContextual("as"); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportNamespaceSpecifier") +}; + pp$8.parseImportSpecifiers = function() { var nodes = [], first = true; if (this.type === types$1.name) { - // import defaultObj, { x, y as z } from '...' - var node = this.startNode(); - node.local = this.parseIdent(); - this.checkLValSimple(node.local, BIND_LEXICAL); - nodes.push(this.finishNode(node, "ImportDefaultSpecifier")); + nodes.push(this.parseImportDefaultSpecifier()); if (!this.eat(types$1.comma)) { return nodes } } if (this.type === types$1.star) { - var node$1 = this.startNode(); - this.next(); - this.expectContextual("as"); - node$1.local = this.parseIdent(); - this.checkLValSimple(node$1.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier")); + nodes.push(this.parseImportNamespaceSpecifier()); return nodes } this.expect(types$1.braceL); @@ -1832,16 +1884,7 @@ pp$8.parseImportSpecifiers = function() { if (this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } - var node$2 = this.startNode(); - node$2.imported = this.parseModuleExportName(); - if (this.eatContextual("as")) { - node$2.local = this.parseIdent(); - } else { - this.checkUnreserved(node$2.imported); - node$2.local = node$2.imported; - } - this.checkLValSimple(node$2.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$2, "ImportSpecifier")); + nodes.push(this.parseImportSpecifier()); } return nodes }; @@ -2014,7 +2057,7 @@ pp$7.parseBindingAtom = function() { return this.parseIdent() }; -pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma) { +pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowModifiers) { var elts = [], first = true; while (!this.eat(close)) { if (first) { first = false; } @@ -2027,18 +2070,22 @@ pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma) { var rest = this.parseRestBinding(); this.parseBindingListItem(rest); elts.push(rest); - if (this.type === types$1.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + if (this.type === types$1.comma) { this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } this.expect(close); break } else { - var elem = this.parseMaybeDefault(this.start, this.startLoc); - this.parseBindingListItem(elem); - elts.push(elem); + elts.push(this.parseAssignableListItem(allowModifiers)); } } return elts }; +pp$7.parseAssignableListItem = function(allowModifiers) { + var elem = this.parseMaybeDefault(this.start, this.startLoc); + this.parseBindingListItem(elem); + return elem +}; + pp$7.parseBindingListItem = function(param) { return param }; @@ -2204,6 +2251,9 @@ pp$7.checkLValInnerPattern = function(expr, bindingType, checkClashes) { }; // The algorithm used to determine whether a regexp can appear at a +// given point in the program is loosely based on sweet.js' approach. +// See https://github.com/mozilla/sweet.js/wiki/design + var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { this.token = token; @@ -2359,6 +2409,23 @@ types$1.name.updateContext = function(prevType) { }; // A recursive descent parser operates by defining functions for all +// syntactic elements, and recursively calling those, each function +// advancing the input stream and returning an AST node. Precedence +// of constructs (for example, the fact that `!x[1]` means `!(x[1])` +// instead of `(!x)[1]` is handled by the fact that the parser +// function that parses unary prefix operators is called first, and +// in turn calls the function that parses `[]` subscripts — that +// way, it'll receive the node for `x[1]` already parsed, and wraps +// *that* in the unary operator node. +// +// Acorn uses an [operator precedence parser][opp] to handle binary +// operator precedence, because it is much more compact than using +// the technique outlined above, which uses different, nesting +// functions to specify precedence, for all of the ten binary +// precedence levels that JavaScript defines. +// +// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser + var pp$5 = Parser.prototype; @@ -2662,6 +2729,14 @@ pp$5.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { } }; +pp$5.shouldParseAsyncArrow = function() { + return !this.canInsertSemicolon() && this.eat(types$1.arrow) +}; + +pp$5.parseSubscriptAsyncArrow = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) +}; + pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { var optionalSupported = this.options.ecmaVersion >= 11; var optional = optionalSupported && this.eat(types$1.questionDot); @@ -2690,7 +2765,7 @@ pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro this.awaitPos = 0; this.awaitIdentPos = 0; var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); - if (maybeAsyncArrow && !optional && !this.canInsertSemicolon() && this.eat(types$1.arrow)) { + if (maybeAsyncArrow && !optional && this.shouldParseAsyncArrow()) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); if (this.awaitIdentPos > 0) @@ -2698,7 +2773,7 @@ pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + return this.parseSubscriptAsyncArrow(startPos, startLoc, exprList, forInit) } this.checkExpressionErrors(refDestructuringErrors, true); this.yieldPos = oldYieldPos || this.yieldPos; @@ -2728,7 +2803,7 @@ pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro // `new`, or an expression wrapped in punctuation like `()`, `[]`, // or `{}`. -pp$5.parseExprAtom = function(refDestructuringErrors, forInit) { +pp$5.parseExprAtom = function(refDestructuringErrors, forInit, forNew) { // If a division operator appears in an expression position, the // tokenizer got confused, and we force it to read a regexp instead. if (this.type === types$1.slash) { this.readRegexp(); } @@ -2829,17 +2904,21 @@ pp$5.parseExprAtom = function(refDestructuringErrors, forInit) { case types$1._import: if (this.options.ecmaVersion >= 11) { - return this.parseExprImport() + return this.parseExprImport(forNew) } else { return this.unexpected() } default: - this.unexpected(); + return this.parseExprAtomDefault() } }; -pp$5.parseExprImport = function() { +pp$5.parseExprAtomDefault = function() { + this.unexpected(); +}; + +pp$5.parseExprImport = function(forNew) { var node = this.startNode(); // Consume `import` as an identifier for `import.meta`. @@ -2847,13 +2926,12 @@ pp$5.parseExprImport = function() { if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } var meta = this.parseIdent(true); - switch (this.type) { - case types$1.parenL: + if (this.type === types$1.parenL && !forNew) { return this.parseDynamicImport(node) - case types$1.dot: + } else if (this.type === types$1.dot) { node.meta = meta; return this.parseImportMeta(node) - default: + } else { this.unexpected(); } }; @@ -2909,6 +2987,10 @@ pp$5.parseParenExpression = function() { return val }; +pp$5.shouldParseArrow = function(exprList) { + return !this.canInsertSemicolon() +}; + pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; if (this.options.ecmaVersion >= 6) { @@ -2928,7 +3010,12 @@ pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { } else if (this.type === types$1.ellipsis) { spreadStart = this.start; exprList.push(this.parseParenItem(this.parseRestBinding())); - if (this.type === types$1.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + if (this.type === types$1.comma) { + this.raiseRecoverable( + this.start, + "Comma is not permitted after the rest element" + ); + } break } else { exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); @@ -2937,7 +3024,7 @@ pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; this.expect(types$1.parenR); - if (canBeArrow && !this.canInsertSemicolon() && this.eat(types$1.arrow)) { + if (canBeArrow && this.shouldParseArrow(exprList) && this.eat(types$1.arrow)) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); this.yieldPos = oldYieldPos; @@ -3003,11 +3090,8 @@ pp$5.parseNew = function() { { this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); } return this.finishNode(node, "MetaProperty") } - var startPos = this.start, startLoc = this.startLoc, isImport = this.type === types$1._import; - node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true, false); - if (isImport && node.callee.type === "ImportExpression") { - this.raise(startPos, "Cannot use new with import()"); - } + var startPos = this.start, startLoc = this.startLoc; + node.callee = this.parseSubscripts(this.parseExprAtom(null, false, true), startPos, startLoc, true, false); if (this.eat(types$1.parenL)) { node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); } else { node.arguments = empty; } return this.finishNode(node, "NewExpression") @@ -3089,7 +3173,7 @@ pp$5.parseProperty = function(isPattern, refDestructuringErrors) { if (isPattern) { prop.argument = this.parseIdent(false); if (this.type === types$1.comma) { - this.raise(this.start, "Comma is not permitted after the rest element"); + this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } return this.finishNode(prop, "RestElement") } @@ -3125,6 +3209,23 @@ pp$5.parseProperty = function(isPattern, refDestructuringErrors) { return this.finishNode(prop, "Property") }; +pp$5.parseGetterSetter = function(prop) { + prop.kind = prop.key.name; + this.parsePropertyName(prop); + prop.value = this.parseMethod(false); + var paramCount = prop.kind === "get" ? 0 : 1; + if (prop.value.params.length !== paramCount) { + var start = prop.value.start; + if (prop.kind === "get") + { this.raiseRecoverable(start, "getter should have no params"); } + else + { this.raiseRecoverable(start, "setter should have exactly one param"); } + } else { + if (prop.kind === "set" && prop.value.params[0].type === "RestElement") + { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } + } +}; + pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { if ((isGenerator || isAsync) && this.type === types$1.colon) { this.unexpected(); } @@ -3142,20 +3243,7 @@ pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startP (prop.key.name === "get" || prop.key.name === "set") && (this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq)) { if (isGenerator || isAsync) { this.unexpected(); } - prop.kind = prop.key.name; - this.parsePropertyName(prop); - prop.value = this.parseMethod(false); - var paramCount = prop.kind === "get" ? 0 : 1; - if (prop.value.params.length !== paramCount) { - var start = prop.value.start; - if (prop.kind === "get") - { this.raiseRecoverable(start, "getter should have no params"); } - else - { this.raiseRecoverable(start, "setter should have exactly one param"); } - } else { - if (prop.kind === "set" && prop.value.params[0].type === "RestElement") - { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } - } + this.parseGetterSetter(prop); } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { if (isGenerator || isAsync) { this.unexpected(); } this.checkUnreserved(prop.key); @@ -3367,6 +3455,18 @@ pp$5.checkUnreserved = function(ref) { // identifiers. pp$5.parseIdent = function(liberal) { + var node = this.parseIdentNode(); + this.next(!!liberal); + this.finishNode(node, "Identifier"); + if (!liberal) { + this.checkUnreserved(node); + if (node.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = node.start; } + } + return node +}; + +pp$5.parseIdentNode = function() { var node = this.startNode(); if (this.type === types$1.name) { node.name = this.value; @@ -3378,19 +3478,12 @@ pp$5.parseIdent = function(liberal) { // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword if ((node.name === "class" || node.name === "function") && - (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { + (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { this.context.pop(); } } else { this.unexpected(); } - this.next(!!liberal); - this.finishNode(node, "Identifier"); - if (!liberal) { - this.checkUnreserved(node); - if (node.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = node.start; } - } return node }; @@ -3630,6 +3723,18 @@ var unicodeBinaryProperties = { 14: ecma14BinaryProperties }; +// #table-binary-unicode-properties-of-strings +var ecma14BinaryPropertiesOfStrings = "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Flag_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence RGI_Emoji"; + +var unicodeBinaryPropertiesOfStrings = { + 9: "", + 10: "", + 11: "", + 12: "", + 13: "", + 14: ecma14BinaryPropertiesOfStrings +}; + // #table-unicode-general-category-values var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; @@ -3639,7 +3744,7 @@ var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Han var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; var ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"; var ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"; -var ecma14ScriptValues = ecma13ScriptValues + " Kawi Nag_Mundari Nagm"; +var ecma14ScriptValues = ecma13ScriptValues + " Hrkt Katakana_Or_Hiragana Kawi Nag_Mundari Nagm Unknown Zzzz"; var unicodeScriptValues = { 9: ecma9ScriptValues, @@ -3654,6 +3759,7 @@ var data = {}; function buildUnicodeData(ecmaVersion) { var d = data[ecmaVersion] = { binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), + binaryOfStrings: wordsRegexp(unicodeBinaryPropertiesOfStrings[ecmaVersion]), nonBinary: { General_Category: wordsRegexp(unicodeGeneralCategoryValues), Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) @@ -3676,12 +3782,13 @@ var pp$1 = Parser.prototype; var RegExpValidationState = function RegExpValidationState(parser) { this.parser = parser; - this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : ""); + this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : "") + (parser.options.ecmaVersion >= 15 ? "v" : ""); this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; this.source = ""; this.flags = ""; this.start = 0; this.switchU = false; + this.switchV = false; this.switchN = false; this.pos = 0; this.lastIntValue = 0; @@ -3694,12 +3801,20 @@ var RegExpValidationState = function RegExpValidationState(parser) { }; RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { + var unicodeSets = flags.indexOf("v") !== -1; var unicode = flags.indexOf("u") !== -1; this.start = start | 0; this.source = pattern + ""; this.flags = flags; - this.switchU = unicode && this.parser.options.ecmaVersion >= 6; - this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + if (unicodeSets && this.parser.options.ecmaVersion >= 15) { + this.switchU = true; + this.switchV = true; + this.switchN = true; + } else { + this.switchU = unicode && this.parser.options.ecmaVersion >= 6; + this.switchV = false; + this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + } }; RegExpValidationState.prototype.raise = function raise (message) { @@ -3768,6 +3883,23 @@ RegExpValidationState.prototype.eat = function eat (ch, forceU) { return false }; +RegExpValidationState.prototype.eatChars = function eatChars (chs, forceU) { + if ( forceU === void 0 ) forceU = false; + + var pos = this.pos; + for (var i = 0, list = chs; i < list.length; i += 1) { + var ch = list[i]; + + var current = this.at(pos, forceU); + if (current === -1 || current !== ch) { + return false + } + pos = this.nextIndex(pos, forceU); + } + this.pos = pos; + return true +}; + /** * Validate the flags part of a given RegExpLiteral. * @@ -3778,6 +3910,9 @@ pp$1.validateRegExpFlags = function(state) { var validFlags = state.validFlags; var flags = state.flags; + var u = false; + var v = false; + for (var i = 0; i < flags.length; i++) { var flag = flags.charAt(i); if (validFlags.indexOf(flag) === -1) { @@ -3786,6 +3921,11 @@ pp$1.validateRegExpFlags = function(state) { if (flags.indexOf(flag, i + 1) > -1) { this.raise(state.start, "Duplicate regular expression flag"); } + if (flag === "u") { u = true; } + if (flag === "v") { v = true; } + } + if (this.options.ecmaVersion >= 15 && u && v) { + this.raise(state.start, "Invalid regular expression flag"); } }; @@ -4404,6 +4544,12 @@ pp$1.regexp_eatDecimalEscape = function(state) { return false }; +// Return values used by character set parsing methods, needed to +// forbid negation of sets that can match strings. +var CharSetNone = 0; // Nothing parsed +var CharSetOk = 1; // Construct parsed, cannot contain strings +var CharSetString = 2; // Construct parsed, can contain strings + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape pp$1.regexp_eatCharacterClassEscape = function(state) { var ch = state.current(); @@ -4411,28 +4557,32 @@ pp$1.regexp_eatCharacterClassEscape = function(state) { if (isCharacterClassEscape(ch)) { state.lastIntValue = -1; state.advance(); - return true + return CharSetOk } + var negate = false; if ( state.switchU && this.options.ecmaVersion >= 9 && - (ch === 0x50 /* P */ || ch === 0x70 /* p */) + ((negate = ch === 0x50 /* P */) || ch === 0x70 /* p */) ) { state.lastIntValue = -1; state.advance(); + var result; if ( state.eat(0x7B /* { */) && - this.regexp_eatUnicodePropertyValueExpression(state) && + (result = this.regexp_eatUnicodePropertyValueExpression(state)) && state.eat(0x7D /* } */) ) { - return true + if (negate && result === CharSetString) { state.raise("Invalid property name"); } + return result } state.raise("Invalid property name"); } - return false + return CharSetNone }; + function isCharacterClassEscape(ch) { return ( ch === 0x64 /* d */ || @@ -4456,7 +4606,7 @@ pp$1.regexp_eatUnicodePropertyValueExpression = function(state) { if (this.regexp_eatUnicodePropertyValue(state)) { var value = state.lastStringValue; this.regexp_validateUnicodePropertyNameAndValue(state, name, value); - return true + return CharSetOk } } state.pos = start; @@ -4464,20 +4614,22 @@ pp$1.regexp_eatUnicodePropertyValueExpression = function(state) { // LoneUnicodePropertyNameOrValue if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { var nameOrValue = state.lastStringValue; - this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); - return true + return this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue) } - return false + return CharSetNone }; + pp$1.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { if (!hasOwn(state.unicodeProperties.nonBinary, name)) { state.raise("Invalid property name"); } if (!state.unicodeProperties.nonBinary[name].test(value)) { state.raise("Invalid property value"); } }; + pp$1.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { - if (!state.unicodeProperties.binary.test(nameOrValue)) - { state.raise("Invalid property name"); } + if (state.unicodeProperties.binary.test(nameOrValue)) { return CharSetOk } + if (state.switchV && state.unicodeProperties.binaryOfStrings.test(nameOrValue)) { return CharSetString } + state.raise("Invalid property name"); }; // UnicodePropertyName :: @@ -4491,6 +4643,7 @@ pp$1.regexp_eatUnicodePropertyName = function(state) { } return state.lastStringValue !== "" }; + function isUnicodePropertyNameCharacter(ch) { return isControlLetter(ch) || ch === 0x5F /* _ */ } @@ -4519,21 +4672,29 @@ pp$1.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass pp$1.regexp_eatCharacterClass = function(state) { if (state.eat(0x5B /* [ */)) { - state.eat(0x5E /* ^ */); - this.regexp_classRanges(state); - if (state.eat(0x5D /* ] */)) { - return true - } - // Unreachable since it threw "unterminated regular expression" error before. - state.raise("Unterminated character class"); + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (!state.eat(0x5D /* ] */)) + { state.raise("Unterminated character class"); } + if (negate && result === CharSetString) + { state.raise("Negated character class may contain strings"); } + return true } return false }; +// https://tc39.es/ecma262/#prod-ClassContents // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges +pp$1.regexp_classContents = function(state) { + if (state.current() === 0x5D /* ] */) { return CharSetOk } + if (state.switchV) { return this.regexp_classSetExpression(state) } + this.regexp_nonEmptyClassRanges(state); + return CharSetOk +}; + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash -pp$1.regexp_classRanges = function(state) { +pp$1.regexp_nonEmptyClassRanges = function(state) { while (this.regexp_eatClassAtom(state)) { var left = state.lastIntValue; if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { @@ -4605,6 +4766,205 @@ pp$1.regexp_eatClassEscape = function(state) { ) }; +// https://tc39.es/ecma262/#prod-ClassSetExpression +// https://tc39.es/ecma262/#prod-ClassUnion +// https://tc39.es/ecma262/#prod-ClassIntersection +// https://tc39.es/ecma262/#prod-ClassSubtraction +pp$1.regexp_classSetExpression = function(state) { + var result = CharSetOk, subResult; + if (this.regexp_eatClassSetRange(state)) ; else if (subResult = this.regexp_eatClassSetOperand(state)) { + if (subResult === CharSetString) { result = CharSetString; } + // https://tc39.es/ecma262/#prod-ClassIntersection + var start = state.pos; + while (state.eatChars([0x26, 0x26] /* && */)) { + if ( + state.current() !== 0x26 /* & */ && + (subResult = this.regexp_eatClassSetOperand(state)) + ) { + if (subResult !== CharSetString) { result = CharSetOk; } + continue + } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + // https://tc39.es/ecma262/#prod-ClassSubtraction + while (state.eatChars([0x2D, 0x2D] /* -- */)) { + if (this.regexp_eatClassSetOperand(state)) { continue } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + } else { + state.raise("Invalid character in character class"); + } + // https://tc39.es/ecma262/#prod-ClassUnion + for (;;) { + if (this.regexp_eatClassSetRange(state)) { continue } + subResult = this.regexp_eatClassSetOperand(state); + if (!subResult) { return result } + if (subResult === CharSetString) { result = CharSetString; } + } +}; + +// https://tc39.es/ecma262/#prod-ClassSetRange +pp$1.regexp_eatClassSetRange = function(state) { + var start = state.pos; + if (this.regexp_eatClassSetCharacter(state)) { + var left = state.lastIntValue; + if (state.eat(0x2D /* - */) && this.regexp_eatClassSetCharacter(state)) { + var right = state.lastIntValue; + if (left !== -1 && right !== -1 && left > right) { + state.raise("Range out of order in character class"); + } + return true + } + state.pos = start; + } + return false +}; + +// https://tc39.es/ecma262/#prod-ClassSetOperand +pp$1.regexp_eatClassSetOperand = function(state) { + if (this.regexp_eatClassSetCharacter(state)) { return CharSetOk } + return this.regexp_eatClassStringDisjunction(state) || this.regexp_eatNestedClass(state) +}; + +// https://tc39.es/ecma262/#prod-NestedClass +pp$1.regexp_eatNestedClass = function(state) { + var start = state.pos; + if (state.eat(0x5B /* [ */)) { + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (state.eat(0x5D /* ] */)) { + if (negate && result === CharSetString) { + state.raise("Negated character class may contain strings"); + } + return result + } + state.pos = start; + } + if (state.eat(0x5C /* \ */)) { + var result$1 = this.regexp_eatCharacterClassEscape(state); + if (result$1) { + return result$1 + } + state.pos = start; + } + return null +}; + +// https://tc39.es/ecma262/#prod-ClassStringDisjunction +pp$1.regexp_eatClassStringDisjunction = function(state) { + var start = state.pos; + if (state.eatChars([0x5C, 0x71] /* \q */)) { + if (state.eat(0x7B /* { */)) { + var result = this.regexp_classStringDisjunctionContents(state); + if (state.eat(0x7D /* } */)) { + return result + } + } else { + // Make the same message as V8. + state.raise("Invalid escape"); + } + state.pos = start; + } + return null +}; + +// https://tc39.es/ecma262/#prod-ClassStringDisjunctionContents +pp$1.regexp_classStringDisjunctionContents = function(state) { + var result = this.regexp_classString(state); + while (state.eat(0x7C /* | */)) { + if (this.regexp_classString(state) === CharSetString) { result = CharSetString; } + } + return result +}; + +// https://tc39.es/ecma262/#prod-ClassString +// https://tc39.es/ecma262/#prod-NonEmptyClassString +pp$1.regexp_classString = function(state) { + var count = 0; + while (this.regexp_eatClassSetCharacter(state)) { count++; } + return count === 1 ? CharSetOk : CharSetString +}; + +// https://tc39.es/ecma262/#prod-ClassSetCharacter +pp$1.regexp_eatClassSetCharacter = function(state) { + var start = state.pos; + if (state.eat(0x5C /* \ */)) { + if ( + this.regexp_eatCharacterEscape(state) || + this.regexp_eatClassSetReservedPunctuator(state) + ) { + return true + } + if (state.eat(0x62 /* b */)) { + state.lastIntValue = 0x08; /* */ + return true + } + state.pos = start; + return false + } + var ch = state.current(); + if (ch < 0 || ch === state.lookahead() && isClassSetReservedDoublePunctuatorCharacter(ch)) { return false } + if (isClassSetSyntaxCharacter(ch)) { return false } + state.advance(); + state.lastIntValue = ch; + return true +}; + +// https://tc39.es/ecma262/#prod-ClassSetReservedDoublePunctuator +function isClassSetReservedDoublePunctuatorCharacter(ch) { + return ( + ch === 0x21 /* ! */ || + ch >= 0x23 /* # */ && ch <= 0x26 /* & */ || + ch >= 0x2A /* * */ && ch <= 0x2C /* , */ || + ch === 0x2E /* . */ || + ch >= 0x3A /* : */ && ch <= 0x40 /* @ */ || + ch === 0x5E /* ^ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) +} + +// https://tc39.es/ecma262/#prod-ClassSetSyntaxCharacter +function isClassSetSyntaxCharacter(ch) { + return ( + ch === 0x28 /* ( */ || + ch === 0x29 /* ) */ || + ch === 0x2D /* - */ || + ch === 0x2F /* / */ || + ch >= 0x5B /* [ */ && ch <= 0x5D /* ] */ || + ch >= 0x7B /* { */ && ch <= 0x7D /* } */ + ) +} + +// https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator +pp$1.regexp_eatClassSetReservedPunctuator = function(state) { + var ch = state.current(); + if (isClassSetReservedPunctuator(ch)) { + state.lastIntValue = ch; + state.advance(); + return true + } + return false +}; + +// https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator +function isClassSetReservedPunctuator(ch) { + return ( + ch === 0x21 /* ! */ || + ch === 0x23 /* # */ || + ch === 0x25 /* % */ || + ch === 0x26 /* & */ || + ch === 0x2C /* , */ || + ch === 0x2D /* - */ || + ch >= 0x3A /* : */ && ch <= 0x3E /* > */ || + ch === 0x40 /* @ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) +} + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter pp$1.regexp_eatClassControlLetter = function(state) { var ch = state.current(); @@ -5525,8 +5885,23 @@ pp.readWord = function() { }; // Acorn is a tiny, fast JavaScript parser written in JavaScript. +// +// Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and +// various contributors and released under an MIT license. +// +// Git repositories for Acorn are available at +// +// http://marijnhaverbeke.nl/git/acorn +// https://github.com/acornjs/acorn.git +// +// Please use the [github bug tracker][ghbt] to report issues. +// +// [ghbt]: https://github.com/acornjs/acorn/issues +// +// [walk]: util/walk.js + -var version = "8.8.2"; +var version = "8.9.0"; Parser.acorn = { Parser: Parser, diff --git a/deps/acorn/acorn/dist/acorn.mjs.d.ts b/deps/acorn/acorn/dist/acorn.mjs.d.ts deleted file mode 100644 index 5f633595e5f9a4..00000000000000 --- a/deps/acorn/acorn/dist/acorn.mjs.d.ts +++ /dev/null @@ -1,2 +0,0 @@ -import * as acorn from "./acorn"; -export = acorn; \ No newline at end of file diff --git a/deps/acorn/acorn/package.json b/deps/acorn/acorn/package.json index ff5daca7f87f31..3ff4041a85f497 100644 --- a/deps/acorn/acorn/package.json +++ b/deps/acorn/acorn/package.json @@ -16,7 +16,7 @@ ], "./package.json": "./package.json" }, - "version": "8.8.2", + "version": "8.9.0", "engines": { "node": ">=0.4.0" }, diff --git a/doc/contributing/maintaining/maintaining-dependencies.md b/doc/contributing/maintaining/maintaining-dependencies.md index 72e13a05895630..049b52f1171b17 100644 --- a/doc/contributing/maintaining/maintaining-dependencies.md +++ b/doc/contributing/maintaining/maintaining-dependencies.md @@ -8,7 +8,7 @@ directories to create the Node.js binaries. All dependencies are located within the `deps` directory. This a list of all the dependencies: -* [acorn 8.8.2][] +* [acorn 8.9.0][] * [ada 2.5.0][] * [base64 0.5.0][] * [brotli 1.0.9][] @@ -144,7 +144,7 @@ takes care of npm update, it is maintained by the npm team. ## Dependency list -### acorn 8.8.2 +### acorn 8.9.0 The [acorn](https://github.com/acornjs/acorn) dependency is a JavaScript parser. [acorn-walk](https://github.com/acornjs/acorn/tree/master/acorn-walk) is @@ -318,7 +318,7 @@ dependency lossless data-compression library, it comes from the Chromium team's zlib fork which incorporated performance improvements not currently available in standard zlib. -[acorn 8.8.2]: #acorn-882 +[acorn 8.9.0]: #acorn-890 [ada 2.5.0]: #ada-250 [base64 0.5.0]: #base64-050 [brotli 1.0.9]: #brotli-109 diff --git a/src/acorn_version.h b/src/acorn_version.h index 215856c0018a01..05c9f3440a19c6 100644 --- a/src/acorn_version.h +++ b/src/acorn_version.h @@ -2,5 +2,5 @@ // Refer to tools/update-acorn.sh #ifndef SRC_ACORN_VERSION_H_ #define SRC_ACORN_VERSION_H_ -#define ACORN_VERSION "8.8.2" +#define ACORN_VERSION "8.9.0" #endif // SRC_ACORN_VERSION_H_