diff options
Diffstat (limited to 'tools/node_modules/eslint/node_modules/acorn/dist/acorn_loose.js')
| -rw-r--r-- | tools/node_modules/eslint/node_modules/acorn/dist/acorn_loose.js | 1400 |
1 files changed, 1400 insertions, 0 deletions
diff --git a/tools/node_modules/eslint/node_modules/acorn/dist/acorn_loose.js b/tools/node_modules/eslint/node_modules/acorn/dist/acorn_loose.js new file mode 100644 index 0000000000..d6738db9dc --- /dev/null +++ b/tools/node_modules/eslint/node_modules/acorn/dist/acorn_loose.js @@ -0,0 +1,1400 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('./acorn')) : + typeof define === 'function' && define.amd ? define(['exports', './acorn'], factory) : + (factory((global.acorn = global.acorn || {}, global.acorn.loose = global.acorn.loose || {}),global.acorn)); +}(this, (function (exports,__acorn) { 'use strict'; + +// Registered plugins +var pluginsLoose = {}; + +var LooseParser = function LooseParser(input, options) { + if ( options === void 0 ) options = {}; + + this.toks = __acorn.tokenizer(input, options); + this.options = this.toks.options; + this.input = this.toks.input; + this.tok = this.last = {type: __acorn.tokTypes.eof, start: 0, end: 0}; + if (this.options.locations) { + var here = this.toks.curPosition(); + this.tok.loc = new __acorn.SourceLocation(this.toks, here, here); + } + this.ahead = []; // Tokens ahead + this.context = []; // Indentation contexted + this.curIndent = 0; + this.curLineStart = 0; + this.nextLineStart = this.lineEnd(this.curLineStart) + 1; + this.inAsync = false; + // Load plugins + this.options.pluginsLoose = options.pluginsLoose || {}; + this.loadPlugins(this.options.pluginsLoose); +}; + +LooseParser.prototype.startNode = function startNode () { + return new __acorn.Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null) +}; + +LooseParser.prototype.storeCurrentPos = function storeCurrentPos () { + return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start +}; + +LooseParser.prototype.startNodeAt = function startNodeAt (pos) { + if (this.options.locations) { + return new __acorn.Node(this.toks, pos[0], pos[1]) + } else { + return new __acorn.Node(this.toks, pos) + } +}; + +LooseParser.prototype.finishNode = function finishNode (node, type) { + node.type = type; + node.end = this.last.end; + if (this.options.locations) + { node.loc.end = this.last.loc.end; } + if (this.options.ranges) + { node.range[1] = this.last.end; } + return node +}; + +LooseParser.prototype.dummyNode = function dummyNode (type) { + var dummy = this.startNode(); + dummy.type = type; + dummy.end = dummy.start; + if (this.options.locations) + { dummy.loc.end = dummy.loc.start; } + if (this.options.ranges) + { dummy.range[1] = dummy.start; } + this.last = {type: __acorn.tokTypes.name, start: dummy.start, end: dummy.start, loc: dummy.loc}; + return dummy +}; + +LooseParser.prototype.dummyIdent = function dummyIdent () { + var dummy = this.dummyNode("Identifier"); + dummy.name = "✖"; + return dummy +}; + +LooseParser.prototype.dummyString = function dummyString () { + var dummy = this.dummyNode("Literal"); + dummy.value = dummy.raw = "✖"; + return dummy +}; + +LooseParser.prototype.eat = function eat (type) { + if (this.tok.type === type) { + this.next(); + return true + } else { + return false + } +}; + +LooseParser.prototype.isContextual = function isContextual (name) { + return this.tok.type === __acorn.tokTypes.name && this.tok.value === name +}; + +LooseParser.prototype.eatContextual = function eatContextual (name) { + return this.tok.value === name && this.eat(__acorn.tokTypes.name) +}; + +LooseParser.prototype.canInsertSemicolon = function canInsertSemicolon () { + return this.tok.type === __acorn.tokTypes.eof || this.tok.type === __acorn.tokTypes.braceR || + __acorn.lineBreak.test(this.input.slice(this.last.end, this.tok.start)) +}; + +LooseParser.prototype.semicolon = function semicolon () { + return this.eat(__acorn.tokTypes.semi) +}; + +LooseParser.prototype.expect = function expect (type) { + var this$1 = this; + + if (this.eat(type)) { return true } + for (var i = 1; i <= 2; i++) { + if (this$1.lookAhead(i).type == type) { + for (var j = 0; j < i; j++) { this$1.next(); } + return true + } + } +}; + +LooseParser.prototype.pushCx = function pushCx () { + this.context.push(this.curIndent); +}; + +LooseParser.prototype.popCx = function popCx () { + this.curIndent = this.context.pop(); +}; + +LooseParser.prototype.lineEnd = function lineEnd (pos) { + while (pos < this.input.length && !__acorn.isNewLine(this.input.charCodeAt(pos))) { ++pos; } + return pos +}; + +LooseParser.prototype.indentationAfter = function indentationAfter (pos) { + var this$1 = this; + + for (var count = 0;; ++pos) { + var ch = this$1.input.charCodeAt(pos); + if (ch === 32) { ++count; } + else if (ch === 9) { count += this$1.options.tabSize; } + else { return count } + } +}; + +LooseParser.prototype.closes = function closes (closeTok, indent, line, blockHeuristic) { + if (this.tok.type === closeTok || this.tok.type === __acorn.tokTypes.eof) { return true } + return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() && + (!blockHeuristic || this.nextLineStart >= this.input.length || + this.indentationAfter(this.nextLineStart) < indent) +}; + +LooseParser.prototype.tokenStartsLine = function tokenStartsLine () { + var this$1 = this; + + for (var p = this.tok.start - 1; p >= this.curLineStart; --p) { + var ch = this$1.input.charCodeAt(p); + if (ch !== 9 && ch !== 32) { return false } + } + return true +}; + +LooseParser.prototype.extend = function extend (name, f) { + this[name] = f(this[name]); +}; + +LooseParser.prototype.loadPlugins = function loadPlugins (pluginConfigs) { + var this$1 = this; + + for (var name in pluginConfigs) { + var plugin = pluginsLoose[name]; + if (!plugin) { throw new Error("Plugin '" + name + "' not found") } + plugin(this$1, pluginConfigs[name]); + } +}; + +LooseParser.prototype.parse = function parse () { + this.next(); + return this.parseTopLevel() +}; + +var lp = LooseParser.prototype; + +function isSpace(ch) { + return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || __acorn.isNewLine(ch) +} + +lp.next = function() { + var this$1 = this; + + this.last = this.tok; + if (this.ahead.length) + { this.tok = this.ahead.shift(); } + else + { this.tok = this.readToken(); } + + if (this.tok.start >= this.nextLineStart) { + while (this.tok.start >= this.nextLineStart) { + this$1.curLineStart = this$1.nextLineStart; + this$1.nextLineStart = this$1.lineEnd(this$1.curLineStart) + 1; + } + this.curIndent = this.indentationAfter(this.curLineStart); + } +}; + +lp.readToken = function() { + var this$1 = this; + + for (;;) { + try { + this$1.toks.next(); + if (this$1.toks.type === __acorn.tokTypes.dot && + this$1.input.substr(this$1.toks.end, 1) === "." && + this$1.options.ecmaVersion >= 6) { + this$1.toks.end++; + this$1.toks.type = __acorn.tokTypes.ellipsis; + } + return new __acorn.Token(this$1.toks) + } catch (e) { + if (!(e instanceof SyntaxError)) { throw e } + + // Try to skip some text, based on the error message, and then continue + var msg = e.message, pos = e.raisedAt, replace = true; + if (/unterminated/i.test(msg)) { + pos = this$1.lineEnd(e.pos + 1); + if (/string/.test(msg)) { + replace = {start: e.pos, end: pos, type: __acorn.tokTypes.string, value: this$1.input.slice(e.pos + 1, pos)}; + } else if (/regular expr/i.test(msg)) { + var re = this$1.input.slice(e.pos, pos); + try { re = new RegExp(re); } catch (e) { /* ignore compilation error due to new syntax */ } + replace = {start: e.pos, end: pos, type: __acorn.tokTypes.regexp, value: re}; + } else if (/template/.test(msg)) { + replace = { + start: e.pos, + end: pos, + type: __acorn.tokTypes.template, + value: this$1.input.slice(e.pos, pos) + }; + } else { + replace = false; + } + } else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) { + while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) { ++pos; } + } else if (/character escape|expected hexadecimal/i.test(msg)) { + while (pos < this.input.length) { + var ch = this$1.input.charCodeAt(pos++); + if (ch === 34 || ch === 39 || __acorn.isNewLine(ch)) { break } + } + } else if (/unexpected character/i.test(msg)) { + pos++; + replace = false; + } else if (/regular expression/i.test(msg)) { + replace = true; + } else { + throw e + } + this$1.resetTo(pos); + if (replace === true) { replace = {start: pos, end: pos, type: __acorn.tokTypes.name, value: "✖"}; } + if (replace) { + if (this$1.options.locations) + { replace.loc = new __acorn.SourceLocation( + this$1.toks, + __acorn.getLineInfo(this$1.input, replace.start), + __acorn.getLineInfo(this$1.input, replace.end)); } + return replace + } + } + } +}; + +lp.resetTo = function(pos) { + var this$1 = this; + + this.toks.pos = pos; + var ch = this.input.charAt(pos - 1); + this.toks.exprAllowed = !ch || /[[{(,;:?/*=+\-~!|&%^<>]/.test(ch) || + /[enwfd]/.test(ch) && + /\b(keywords|case|else|return|throw|new|in|(instance|type)of|delete|void)$/.test(this.input.slice(pos - 10, pos)); + + if (this.options.locations) { + this.toks.curLine = 1; + this.toks.lineStart = __acorn.lineBreakG.lastIndex = 0; + var match; + while ((match = __acorn.lineBreakG.exec(this.input)) && match.index < pos) { + ++this$1.toks.curLine; + this$1.toks.lineStart = match.index + match[0].length; + } + } +}; + +lp.lookAhead = function(n) { + var this$1 = this; + + while (n > this.ahead.length) + { this$1.ahead.push(this$1.readToken()); } + return this.ahead[n - 1] +}; + +function isDummy(node) { return node.name == "✖" } + +var lp$1 = LooseParser.prototype; + +lp$1.parseTopLevel = function() { + var this$1 = this; + + var node = this.startNodeAt(this.options.locations ? [0, __acorn.getLineInfo(this.input, 0)] : 0); + node.body = []; + while (this.tok.type !== __acorn.tokTypes.eof) { node.body.push(this$1.parseStatement()); } + this.toks.adaptDirectivePrologue(node.body); + this.last = this.tok; + if (this.options.ecmaVersion >= 6) { + node.sourceType = this.options.sourceType; + } + return this.finishNode(node, "Program") +}; + +lp$1.parseStatement = function() { + var this$1 = this; + + var starttype = this.tok.type, node = this.startNode(), kind; + + if (this.toks.isLet()) { + starttype = __acorn.tokTypes._var; + kind = "let"; + } + + switch (starttype) { + case __acorn.tokTypes._break: case __acorn.tokTypes._continue: + this.next(); + var isBreak = starttype === __acorn.tokTypes._break; + if (this.semicolon() || this.canInsertSemicolon()) { + node.label = null; + } else { + node.label = this.tok.type === __acorn.tokTypes.name ? this.parseIdent() : null; + this.semicolon(); + } + return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") + + case __acorn.tokTypes._debugger: + this.next(); + this.semicolon(); + return this.finishNode(node, "DebuggerStatement") + + case __acorn.tokTypes._do: + this.next(); + node.body = this.parseStatement(); + node.test = this.eat(__acorn.tokTypes._while) ? this.parseParenExpression() : this.dummyIdent(); + this.semicolon(); + return this.finishNode(node, "DoWhileStatement") + + case __acorn.tokTypes._for: + this.next(); + this.pushCx(); + this.expect(__acorn.tokTypes.parenL); + if (this.tok.type === __acorn.tokTypes.semi) { return this.parseFor(node, null) } + var isLet = this.toks.isLet(); + if (isLet || this.tok.type === __acorn.tokTypes._var || this.tok.type === __acorn.tokTypes._const) { + var init$1 = this.parseVar(true, isLet ? "let" : this.tok.value); + if (init$1.declarations.length === 1 && (this.tok.type === __acorn.tokTypes._in || this.isContextual("of"))) { + return this.parseForIn(node, init$1) + } + return this.parseFor(node, init$1) + } + var init = this.parseExpression(true); + if (this.tok.type === __acorn.tokTypes._in || this.isContextual("of")) + { return this.parseForIn(node, this.toAssignable(init)) } + return this.parseFor(node, init) + + case __acorn.tokTypes._function: + this.next(); + return this.parseFunction(node, true) + + case __acorn.tokTypes._if: + this.next(); + node.test = this.parseParenExpression(); + node.consequent = this.parseStatement(); + node.alternate = this.eat(__acorn.tokTypes._else) ? this.parseStatement() : null; + return this.finishNode(node, "IfStatement") + + case __acorn.tokTypes._return: + this.next(); + if (this.eat(__acorn.tokTypes.semi) || this.canInsertSemicolon()) { node.argument = null; } + else { node.argument = this.parseExpression(); this.semicolon(); } + return this.finishNode(node, "ReturnStatement") + + case __acorn.tokTypes._switch: + var blockIndent = this.curIndent, line = this.curLineStart; + this.next(); + node.discriminant = this.parseParenExpression(); + node.cases = []; + this.pushCx(); + this.expect(__acorn.tokTypes.braceL); + + var cur; + while (!this.closes(__acorn.tokTypes.braceR, blockIndent, line, true)) { + if (this$1.tok.type === __acorn.tokTypes._case || this$1.tok.type === __acorn.tokTypes._default) { + var isCase = this$1.tok.type === __acorn.tokTypes._case; + if (cur) { this$1.finishNode(cur, "SwitchCase"); } + node.cases.push(cur = this$1.startNode()); + cur.consequent = []; + this$1.next(); + if (isCase) { cur.test = this$1.parseExpression(); } + else { cur.test = null; } + this$1.expect(__acorn.tokTypes.colon); + } else { + if (!cur) { + node.cases.push(cur = this$1.startNode()); + cur.consequent = []; + cur.test = null; + } + cur.consequent.push(this$1.parseStatement()); + } + } + if (cur) { this.finishNode(cur, "SwitchCase"); } + this.popCx(); + this.eat(__acorn.tokTypes.braceR); + return this.finishNode(node, "SwitchStatement") + + case __acorn.tokTypes._throw: + this.next(); + node.argument = this.parseExpression(); + this.semicolon(); + return this.finishNode(node, "ThrowStatement") + + case __acorn.tokTypes._try: + this.next(); + node.block = this.parseBlock(); + node.handler = null; + if (this.tok.type === __acorn.tokTypes._catch) { + var clause = this.startNode(); + this.next(); + this.expect(__acorn.tokTypes.parenL); + clause.param = this.toAssignable(this.parseExprAtom(), true); + this.expect(__acorn.tokTypes.parenR); + clause.body = this.parseBlock(); + node.handler = this.finishNode(clause, "CatchClause"); + } + node.finalizer = this.eat(__acorn.tokTypes._finally) ? this.parseBlock() : null; + if (!node.handler && !node.finalizer) { return node.block } + return this.finishNode(node, "TryStatement") + + case __acorn.tokTypes._var: + case __acorn.tokTypes._const: + return this.parseVar(false, kind || this.tok.value) + + case __acorn.tokTypes._while: + this.next(); + node.test = this.parseParenExpression(); + node.body = this.parseStatement(); + return this.finishNode(node, "WhileStatement") + + case __acorn.tokTypes._with: + this.next(); + node.object = this.parseParenExpression(); + node.body = this.parseStatement(); + return this.finishNode(node, "WithStatement") + + case __acorn.tokTypes.braceL: + return this.parseBlock() + + case __acorn.tokTypes.semi: + this.next(); + return this.finishNode(node, "EmptyStatement") + + case __acorn.tokTypes._class: + return this.parseClass(true) + + case __acorn.tokTypes._import: + return this.parseImport() + + case __acorn.tokTypes._export: + return this.parseExport() + + default: + if (this.toks.isAsyncFunction()) { + this.next(); + this.next(); + return this.parseFunction(node, true, true) + } + var expr = this.parseExpression(); + if (isDummy(expr)) { + this.next(); + if (this.tok.type === __acorn.tokTypes.eof) { return this.finishNode(node, "EmptyStatement") } + return this.parseStatement() + } else if (starttype === __acorn.tokTypes.name && expr.type === "Identifier" && this.eat(__acorn.tokTypes.colon)) { + node.body = this.parseStatement(); + node.label = expr; + return this.finishNode(node, "LabeledStatement") + } else { + node.expression = expr; + this.semicolon(); + return this.finishNode(node, "ExpressionStatement") + } + } +}; + +lp$1.parseBlock = function() { + var this$1 = this; + + var node = this.startNode(); + this.pushCx(); + this.expect(__acorn.tokTypes.braceL); + var blockIndent = this.curIndent, line = this.curLineStart; + node.body = []; + while (!this.closes(__acorn.tokTypes.braceR, blockIndent, line, true)) + { node.body.push(this$1.parseStatement()); } + this.popCx(); + this.eat(__acorn.tokTypes.braceR); + return this.finishNode(node, "BlockStatement") +}; + +lp$1.parseFor = function(node, init) { + node.init = init; + node.test = node.update = null; + if (this.eat(__acorn.tokTypes.semi) && this.tok.type !== __acorn.tokTypes.semi) { node.test = this.parseExpression(); } + if (this.eat(__acorn.tokTypes.semi) && this.tok.type !== __acorn.tokTypes.parenR) { node.update = this.parseExpression(); } + this.popCx(); + this.expect(__acorn.tokTypes.parenR); + node.body = this.parseStatement(); + return this.finishNode(node, "ForStatement") +}; + +lp$1.parseForIn = function(node, init) { + var type = this.tok.type === __acorn.tokTypes._in ? "ForInStatement" : "ForOfStatement"; + this.next(); + node.left = init; + node.right = this.parseExpression(); + this.popCx(); + this.expect(__acorn.tokTypes.parenR); + node.body = this.parseStatement(); + return this.finishNode(node, type) +}; + +lp$1.parseVar = function(noIn, kind) { + var this$1 = this; + + var node = this.startNode(); + node.kind = kind; + this.next(); + node.declarations = []; + do { + var decl = this$1.startNode(); + decl.id = this$1.options.ecmaVersion >= 6 ? this$1.toAssignable(this$1.parseExprAtom(), true) : this$1.parseIdent(); + decl.init = this$1.eat(__acorn.tokTypes.eq) ? this$1.parseMaybeAssign(noIn) : null; + node.declarations.push(this$1.finishNode(decl, "VariableDeclarator")); + } while (this.eat(__acorn.tokTypes.comma)) + if (!node.declarations.length) { + var decl$1 = this.startNode(); + decl$1.id = this.dummyIdent(); + node.declarations.push(this.finishNode(decl$1, "VariableDeclarator")); + } + if (!noIn) { this.semicolon(); } + return this.finishNode(node, "VariableDeclaration") +}; + +lp$1.parseClass = function(isStatement) { + var this$1 = this; + + var node = this.startNode(); + this.next(); + if (this.tok.type === __acorn.tokTypes.name) { node.id = this.parseIdent(); } + else if (isStatement === true) { node.id = this.dummyIdent(); } + else { node.id = null; } + node.superClass = this.eat(__acorn.tokTypes._extends) ? this.parseExpression() : null; + node.body = this.startNode(); + node.body.body = []; + this.pushCx(); + var indent = this.curIndent + 1, line = this.curLineStart; + this.eat(__acorn.tokTypes.braceL); + if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart; } + while (!this.closes(__acorn.tokTypes.braceR, indent, line)) { + if (this$1.semicolon()) { continue } + var method = this$1.startNode(), isGenerator = (void 0), isAsync = (void 0); + if (this$1.options.ecmaVersion >= 6) { + method.static = false; + isGenerator = this$1.eat(__acorn.tokTypes.star); + } + this$1.parsePropertyName(method); + if (isDummy(method.key)) { if (isDummy(this$1.parseMaybeAssign())) { this$1.next(); } this$1.eat(__acorn.tokTypes.comma); continue } + if (method.key.type === "Identifier" && !method.computed && method.key.name === "static" && + (this$1.tok.type != __acorn.tokTypes.parenL && this$1.tok.type != __acorn.tokTypes.braceL)) { + method.static = true; + isGenerator = this$1.eat(__acorn.tokTypes.star); + this$1.parsePropertyName(method); + } else { + method.static = false; + } + if (!method.computed && + method.key.type === "Identifier" && method.key.name === "async" && this$1.tok.type !== __acorn.tokTypes.parenL && + !this$1.canInsertSemicolon()) { + this$1.parsePropertyName(method); + isAsync = true; + } else { + isAsync = false; + } + if (this$1.options.ecmaVersion >= 5 && method.key.type === "Identifier" && + !method.computed && (method.key.name === "get" || method.key.name === "set") && + this$1.tok.type !== __acorn.tokTypes.parenL && this$1.tok.type !== __acorn.tokTypes.braceL) { + method.kind = method.key.name; + this$1.parsePropertyName(method); + method.value = this$1.parseMethod(false); + } else { + if (!method.computed && !method.static && !isGenerator && !isAsync && ( + method.key.type === "Identifier" && method.key.name === "constructor" || + method.key.type === "Literal" && method.key.value === "constructor")) { + method.kind = "constructor"; + } else { + method.kind = "method"; + } + method.value = this$1.parseMethod(isGenerator, isAsync); + } + node.body.body.push(this$1.finishNode(method, "MethodDefinition")); + } + this.popCx(); + if (!this.eat(__acorn.tokTypes.braceR)) { + // If there is no closing brace, make the node span to the start + // of the next token (this is useful for Tern) + this.last.end = this.tok.start; + if (this.options.locations) { this.last.loc.end = this.tok.loc.start; } + } + this.semicolon(); + this.finishNode(node.body, "ClassBody"); + return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") +}; + +lp$1.parseFunction = function(node, isStatement, isAsync) { + var oldInAsync = this.inAsync; + this.initFunction(node); + if (this.options.ecmaVersion >= 6) { + node.generator = this.eat(__acorn.tokTypes.star); + } + if (this.options.ecmaVersion >= 8) { + node.async = !!isAsync; + } + if (this.tok.type === __acorn.tokTypes.name) { node.id = this.parseIdent(); } + else if (isStatement === true) { node.id = this.dummyIdent(); } + this.inAsync = node.async; + node.params = this.parseFunctionParams(); + node.body = this.parseBlock(); + this.toks.adaptDirectivePrologue(node.body.body); + this.inAsync = oldInAsync; + return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression") +}; + +lp$1.parseExport = function() { + var node = this.startNode(); + this.next(); + if (this.eat(__acorn.tokTypes.star)) { + node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString(); + return this.finishNode(node, "ExportAllDeclaration") + } + if (this.eat(__acorn.tokTypes._default)) { + // export default (function foo() {}) // This is FunctionExpression. + var isAsync; + if (this.tok.type === __acorn.tokTypes._function || (isAsync = this.toks.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) { this.next(); } + node.declaration = this.parseFunction(fNode, "nullableID", isAsync); + } else if (this.tok.type === __acorn.tokTypes._class) { + node.declaration = this.parseClass("nullableID"); + } else { + node.declaration = this.parseMaybeAssign(); + this.semicolon(); + } + return this.finishNode(node, "ExportDefaultDeclaration") + } + if (this.tok.type.keyword || this.toks.isLet() || this.toks.isAsyncFunction()) { + node.declaration = this.parseStatement(); + node.specifiers = []; + node.source = null; + } else { + node.declaration = null; + node.specifiers = this.parseExportSpecifierList(); + node.source = this.eatContextual("from") ? this.parseExprAtom() : null; + this.semicolon(); + } + return this.finishNode(node, "ExportNamedDeclaration") +}; + +lp$1.parseImport = function() { + var node = this.startNode(); + this.next(); + if (this.tok.type === __acorn.tokTypes.string) { + node.specifiers = []; + node.source = this.parseExprAtom(); + } else { + var elt; + if (this.tok.type === __acorn.tokTypes.name && this.tok.value !== "from") { + elt = this.startNode(); + elt.local = this.parseIdent(); + this.finishNode(elt, "ImportDefaultSpecifier"); + this.eat(__acorn.tokTypes.comma); + } + node.specifiers = this.parseImportSpecifierList(); + node.source = this.eatContextual("from") && this.tok.type == __acorn.tokTypes.string ? this.parseExprAtom() : this.dummyString(); + if (elt) { node.specifiers.unshift(elt); } + } + this.semicolon(); + return this.finishNode(node, "ImportDeclaration") +}; + +lp$1.parseImportSpecifierList = function() { + var this$1 = this; + + var elts = []; + if (this.tok.type === __acorn.tokTypes.star) { + var elt = this.startNode(); + this.next(); + elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent(); + elts.push(this.finishNode(elt, "ImportNamespaceSpecifier")); + } else { + var indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart; + this.pushCx(); + this.eat(__acorn.tokTypes.braceL); + if (this.curLineStart > continuedLine) { continuedLine = this.curLineStart; } + while (!this.closes(__acorn.tokTypes.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) { + var elt$1 = this$1.startNode(); + if (this$1.eat(__acorn.tokTypes.star)) { + elt$1.local = this$1.eatContextual("as") ? this$1.parseIdent() : this$1.dummyIdent(); + this$1.finishNode(elt$1, "ImportNamespaceSpecifier"); + } else { + if (this$1.isContextual("from")) { break } + elt$1.imported = this$1.parseIdent(); + if (isDummy(elt$1.imported)) { break } + elt$1.local = this$1.eatContextual("as") ? this$1.parseIdent() : elt$1.imported; + this$1.finishNode(elt$1, "ImportSpecifier"); + } + elts.push(elt$1); + this$1.eat(__acorn.tokTypes.comma); + } + this.eat(__acorn.tokTypes.braceR); + this.popCx(); + } + return elts +}; + +lp$1.parseExportSpecifierList = function() { + var this$1 = this; + + var elts = []; + var indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart; + this.pushCx(); + this.eat(__acorn.tokTypes.braceL); + if (this.curLineStart > continuedLine) { continuedLine = this.curLineStart; } + while (!this.closes(__acorn.tokTypes.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) { + if (this$1.isContextual("from")) { break } + var elt = this$1.startNode(); + elt.local = this$1.parseIdent(); + if (isDummy(elt.local)) { break } + elt.exported = this$1.eatContextual("as") ? this$1.parseIdent() : elt.local; + this$1.finishNode(elt, "ExportSpecifier"); + elts.push(elt); + this$1.eat(__acorn.tokTypes.comma); + } + this.eat(__acorn.tokTypes.braceR); + this.popCx(); + return elts +}; + +var lp$2 = LooseParser.prototype; + +lp$2.checkLVal = function(expr) { + if (!expr) { return expr } + switch (expr.type) { + case "Identifier": + case "MemberExpression": + return expr + + case "ParenthesizedExpression": + expr.expression = this.checkLVal(expr.expression); + return expr + + default: + return this.dummyIdent() + } +}; + +lp$2.parseExpression = function(noIn) { + var this$1 = this; + + var start = this.storeCurrentPos(); + var expr = this.parseMaybeAssign(noIn); + if (this.tok.type === __acorn.tokTypes.comma) { + var node = this.startNodeAt(start); + node.expressions = [expr]; + while (this.eat(__acorn.tokTypes.comma)) { node.expressions.push(this$1.parseMaybeAssign(noIn)); } + return this.finishNode(node, "SequenceExpression") + } + return expr +}; + +lp$2.parseParenExpression = function() { + this.pushCx(); + this.expect(__acorn.tokTypes.parenL); + var val = this.parseExpression(); + this.popCx(); + this.expect(__acorn.tokTypes.parenR); + return val +}; + +lp$2.parseMaybeAssign = function(noIn) { + if (this.toks.isContextual("yield")) { + var node = this.startNode(); + this.next(); + if (this.semicolon() || this.canInsertSemicolon() || (this.tok.type != __acorn.tokTypes.star && !this.tok.type.startsExpr)) { + node.delegate = false; + node.argument = null; + } else { + node.delegate = this.eat(__acorn.tokTypes.star); + node.argument = this.parseMaybeAssign(); + } + return this.finishNode(node, "YieldExpression") + } + + var start = this.storeCurrentPos(); + var left = this.parseMaybeConditional(noIn); + if (this.tok.type.isAssign) { + var node$1 = this.startNodeAt(start); + node$1.operator = this.tok.value; + node$1.left = this.tok.type === __acorn.tokTypes.eq ? this.toAssignable(left) : this.checkLVal(left); + this.next(); + node$1.right = this.parseMaybeAssign(noIn); + return this.finishNode(node$1, "AssignmentExpression") + } + return left +}; + +lp$2.parseMaybeConditional = function(noIn) { + var start = this.storeCurrentPos(); + var expr = this.parseExprOps(noIn); + if (this.eat(__acorn.tokTypes.question)) { + var node = this.startNodeAt(start); + node.test = expr; + node.consequent = this.parseMaybeAssign(); + node.alternate = this.expect(__acorn.tokTypes.colon) ? this.parseMaybeAssign(noIn) : this.dummyIdent(); + return this.finishNode(node, "ConditionalExpression") + } + return expr +}; + +lp$2.parseExprOps = function(noIn) { + var start = this.storeCurrentPos(); + var indent = this.curIndent, line = this.curLineStart; + return this.parseExprOp(this.parseMaybeUnary(false), start, -1, noIn, indent, line) +}; + +lp$2.parseExprOp = function(left, start, minPrec, noIn, indent, line) { + if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) { return left } + var prec = this.tok.type.binop; + if (prec != null && (!noIn || this.tok.type !== __acorn.tokTypes._in)) { + if (prec > minPrec) { + var node = this.startNodeAt(start); + node.left = left; + node.operator = this.tok.value; + this.next(); + if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) { + node.right = this.dummyIdent(); + } else { + var rightStart = this.storeCurrentPos(); + node.right = this.parseExprOp(this.parseMaybeUnary(false), rightStart, prec, noIn, indent, line); + } + this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression"); + return this.parseExprOp(node, start, minPrec, noIn, indent, line) + } + } + return left +}; + +lp$2.parseMaybeUnary = function(sawUnary) { + var this$1 = this; + + var start = this.storeCurrentPos(), expr; + if (this.options.ecmaVersion >= 8 && this.inAsync && this.toks.isContextual("await")) { + expr = this.parseAwait(); + sawUnary = true; + } else if (this.tok.type.prefix) { + var node = this.startNode(), update = this.tok.type === __acorn.tokTypes.incDec; + if (!update) { sawUnary = true; } + node.operator = this.tok.value; + node.prefix = true; + this.next(); + node.argument = this.parseMaybeUnary(true); + if (update) { node.argument = this.checkLVal(node.argument); } + expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); + } else if (this.tok.type === __acorn.tokTypes.ellipsis) { + var node$1 = this.startNode(); + this.next(); + node$1.argument = this.parseMaybeUnary(sawUnary); + expr = this.finishNode(node$1, "SpreadElement"); + } else { + expr = this.parseExprSubscripts(); + while (this.tok.type.postfix && !this.canInsertSemicolon()) { + var node$2 = this$1.startNodeAt(start); + node$2.operator = this$1.tok.value; + node$2.prefix = false; + node$2.argument = this$1.checkLVal(expr); + this$1.next(); + expr = this$1.finishNode(node$2, "UpdateExpression"); + } + } + + if (!sawUnary && this.eat(__acorn.tokTypes.starstar)) { + var node$3 = this.startNodeAt(start); + node$3.operator = "**"; + node$3.left = expr; + node$3.right = this.parseMaybeUnary(false); + return this.finishNode(node$3, "BinaryExpression") + } + + return expr +}; + +lp$2.parseExprSubscripts = function() { + var start = this.storeCurrentPos(); + return this.parseSubscripts(this.parseExprAtom(), start, false, this.curIndent, this.curLineStart) +}; + +lp$2.parseSubscripts = function(base, start, noCalls, startIndent, line) { + var this$1 = this; + + for (;;) { + if (this$1.curLineStart != line && this$1.curIndent <= startIndent && this$1.tokenStartsLine()) { + if (this$1.tok.type == __acorn.tokTypes.dot && this$1.curIndent == startIndent) + { --startIndent; } + else + { return base } + } + + var maybeAsyncArrow = base.type === "Identifier" && base.name === "async" && !this$1.canInsertSemicolon(); + + if (this$1.eat(__acorn.tokTypes.dot)) { + var node = this$1.startNodeAt(start); + node.object = base; + if (this$1.curLineStart != line && this$1.curIndent <= startIndent && this$1.tokenStartsLine()) + { node.property = this$1.dummyIdent(); } + else + { node.property = this$1.parsePropertyAccessor() || this$1.dummyIdent(); } + node.computed = false; + base = this$1.finishNode(node, "MemberExpression"); + } else if (this$1.tok.type == __acorn.tokTypes.bracketL) { + this$1.pushCx(); + this$1.next(); + var node$1 = this$1.startNodeAt(start); + node$1.object = base; + node$1.property = this$1.parseExpression(); + node$1.computed = true; + this$1.popCx(); + this$1.expect(__acorn.tokTypes.bracketR); + base = this$1.finishNode(node$1, "MemberExpression"); + } else if (!noCalls && this$1.tok.type == __acorn.tokTypes.parenL) { + var exprList = this$1.parseExprList(__acorn.tokTypes.parenR); + if (maybeAsyncArrow && this$1.eat(__acorn.tokTypes.arrow)) + { return this$1.parseArrowExpression(this$1.startNodeAt(start), exprList, true) } + var node$2 = this$1.startNodeAt(start); + node$2.callee = base; + node$2.arguments = exprList; + base = this$1.finishNode(node$2, "CallExpression"); + } else if (this$1.tok.type == __acorn.tokTypes.backQuote) { + var node$3 = this$1.startNodeAt(start); + node$3.tag = base; + node$3.quasi = this$1.parseTemplate(); + base = this$1.finishNode(node$3, "TaggedTemplateExpression"); + } else { + return base + } + } +}; + +lp$2.parseExprAtom = function() { + var node; + switch (this.tok.type) { + case __acorn.tokTypes._this: + case __acorn.tokTypes._super: + var type = this.tok.type === __acorn.tokTypes._this ? "ThisExpression" : "Super"; + node = this.startNode(); + this.next(); + return this.finishNode(node, type) + + case __acorn.tokTypes.name: + var start = this.storeCurrentPos(); + var id = this.parseIdent(); + var isAsync = false; + if (id.name === "async" && !this.canInsertSemicolon()) { + if (this.eat(__acorn.tokTypes._function)) + { return this.parseFunction(this.startNodeAt(start), false, true) } + if (this.tok.type === __acorn.tokTypes.name) { + id = this.parseIdent(); + isAsync = true; + } + } + return this.eat(__acorn.tokTypes.arrow) ? this.parseArrowExpression(this.startNodeAt(start), [id], isAsync) : id + + case __acorn.tokTypes.regexp: + node = this.startNode(); + var val = this.tok.value; + node.regex = {pattern: val.pattern, flags: val.flags}; + node.value = val.value; + node.raw = this.input.slice(this.tok.start, this.tok.end); + this.next(); + return this.finishNode(node, "Literal") + + case __acorn.tokTypes.num: case __acorn.tokTypes.string: + node = this.startNode(); + node.value = this.tok.value; + node.raw = this.input.slice(this.tok.start, this.tok.end); + this.next(); + return this.finishNode(node, "Literal") + + case __acorn.tokTypes._null: case __acorn.tokTypes._true: case __acorn.tokTypes._false: + node = this.startNode(); + node.value = this.tok.type === __acorn.tokTypes._null ? null : this.tok.type === __acorn.tokTypes._true; + node.raw = this.tok.type.keyword; + this.next(); + return this.finishNode(node, "Literal") + + case __acorn.tokTypes.parenL: + var parenStart = this.storeCurrentPos(); + this.next(); + var inner = this.parseExpression(); + this.expect(__acorn.tokTypes.parenR); + if (this.eat(__acorn.tokTypes.arrow)) { + // (a,)=>a // SequenceExpression makes dummy in the last hole. Drop the dummy. + var params = inner.expressions || [inner]; + if (params.length && isDummy(params[params.length - 1])) + { params.pop(); } + return this.parseArrowExpression(this.startNodeAt(parenStart), params) + } + if (this.options.preserveParens) { + var par = this.startNodeAt(parenStart); + par.expression = inner; + inner = this.finishNode(par, "ParenthesizedExpression"); + } + return inner + + case __acorn.tokTypes.bracketL: + node = this.startNode(); + node.elements = this.parseExprList(__acorn.tokTypes.bracketR, true); + return this.finishNode(node, "ArrayExpression") + + case __acorn.tokTypes.braceL: + return this.parseObj() + + case __acorn.tokTypes._class: + return this.parseClass(false) + + case __acorn.tokTypes._function: + node = this.startNode(); + this.next(); + return this.parseFunction(node, false) + + case __acorn.tokTypes._new: + return this.parseNew() + + case __acorn.tokTypes.backQuote: + return this.parseTemplate() + + default: + return this.dummyIdent() + } +}; + +lp$2.parseNew = function() { + var node = this.startNode(), startIndent = this.curIndent, line = this.curLineStart; + var meta = this.parseIdent(true); + if (this.options.ecmaVersion >= 6 && this.eat(__acorn.tokTypes.dot)) { + node.meta = meta; + node.property = this.parseIdent(true); + return this.finishNode(node, "MetaProperty") + } + var start = this.storeCurrentPos(); + node.callee = this.parseSubscripts(this.parseExprAtom(), start, true, startIndent, line); + if (this.tok.type == __acorn.tokTypes.parenL) { + node.arguments = this.parseExprList(__acorn.tokTypes.parenR); + } else { + node.arguments = []; + } + return this.finishNode(node, "NewExpression") +}; + +lp$2.parseTemplateElement = function() { + var elem = this.startNode(); + + // The loose parser accepts invalid unicode escapes even in untagged templates. + if (this.tok.type === __acorn.tokTypes.invalidTemplate) { + elem.value = { + raw: this.tok.value, + cooked: null + }; + } else { + elem.value = { + raw: this.input.slice(this.tok.start, this.tok.end).replace(/\r\n?/g, "\n"), + cooked: this.tok.value + }; + } + this.next(); + elem.tail = this.tok.type === __acorn.tokTypes.backQuote; + return this.finishNode(elem, "TemplateElement") +}; + +lp$2.parseTemplate = function() { + var this$1 = this; + + var node = this.startNode(); + this.next(); + node.expressions = []; + var curElt = this.parseTemplateElement(); + node.quasis = [curElt]; + while (!curElt.tail) { + this$1.next(); + node.expressions.push(this$1.parseExpression()); + if (this$1.expect(__acorn.tokTypes.braceR)) { + curElt = this$1.parseTemplateElement(); + } else { + curElt = this$1.startNode(); + curElt.value = {cooked: "", raw: ""}; + curElt.tail = true; + this$1.finishNode(curElt, "TemplateElement"); + } + node.quasis.push(curElt); + } + this.expect(__acorn.tokTypes.backQuote); + return this.finishNode(node, "TemplateLiteral") +}; + +lp$2.parseObj = function() { + var this$1 = this; + + var node = this.startNode(); + node.properties = []; + this.pushCx(); + var indent = this.curIndent + 1, line = this.curLineStart; + this.eat(__acorn.tokTypes.braceL); + if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart; } + while (!this.closes(__acorn.tokTypes.braceR, indent, line)) { + var prop = this$1.startNode(), isGenerator = (void 0), isAsync = (void 0), start = (void 0); + if (this$1.options.ecmaVersion >= 6) { + start = this$1.storeCurrentPos(); + prop.method = false; + prop.shorthand = false; + isGenerator = this$1.eat(__acorn.tokTypes.star); + } + this$1.parsePropertyName(prop); + if (this$1.toks.isAsyncProp(prop)) { + this$1.parsePropertyName(prop); + isAsync = true; + } else { + isAsync = false; + } + if (isDummy(prop.key)) { if (isDummy(this$1.parseMaybeAssign())) { this$1.next(); } this$1.eat(__acorn.tokTypes.comma); continue } + if (this$1.eat(__acorn.tokTypes.colon)) { + prop.kind = "init"; + prop.value = this$1.parseMaybeAssign(); + } else if (this$1.options.ecmaVersion >= 6 && (this$1.tok.type === __acorn.tokTypes.parenL || this$1.tok.type === __acorn.tokTypes.braceL)) { + prop.kind = "init"; + prop.method = true; + prop.value = this$1.parseMethod(isGenerator, isAsync); + } else if (this$1.options.ecmaVersion >= 5 && prop.key.type === "Identifier" && + !prop.computed && (prop.key.name === "get" || prop.key.name === "set") && + (this$1.tok.type != __acorn.tokTypes.comma && this$1.tok.type != __acorn.tokTypes.braceR && this$1.tok.type != __acorn.tokTypes.eq)) { + prop.kind = prop.key.name; + this$1.parsePropertyName(prop); + prop.value = this$1.parseMethod(false); + } else { + prop.kind = "init"; + if (this$1.options.ecmaVersion >= 6) { + if (this$1.eat(__acorn.tokTypes.eq)) { + var assign = this$1.startNodeAt(start); + assign.operator = "="; + assign.left = prop.key; + assign.right = this$1.parseMaybeAssign(); + prop.value = this$1.finishNode(assign, "AssignmentExpression"); + } else { + prop.value = prop.key; + } + } else { + prop.value = this$1.dummyIdent(); + } + prop.shorthand = true; + } + node.properties.push(this$1.finishNode(prop, "Property")); + this$1.eat(__acorn.tokTypes.comma); + } + this.popCx(); + if (!this.eat(__acorn.tokTypes.braceR)) { + // If there is no closing brace, make the node span to the start + // of the next token (this is useful for Tern) + this.last.end = this.tok.start; + if (this.options.locations) { this.last.loc.end = this.tok.loc.start; } + } + return this.finishNode(node, "ObjectExpression") +}; + +lp$2.parsePropertyName = function(prop) { + if (this.options.ecmaVersion >= 6) { + if (this.eat(__acorn.tokTypes.bracketL)) { + prop.computed = true; + prop.key = this.parseExpression(); + this.expect(__acorn.tokTypes.bracketR); + return + } else { + prop.computed = false; + } + } + var key = (this.tok.type === __acorn.tokTypes.num || this.tok.type === __acorn.tokTypes.string) ? this.parseExprAtom() : this.parseIdent(); + prop.key = key || this.dummyIdent(); +}; + +lp$2.parsePropertyAccessor = function() { + if (this.tok.type === __acorn.tokTypes.name || this.tok.type.keyword) { return this.parseIdent() } +}; + +lp$2.parseIdent = function() { + var name = this.tok.type === __acorn.tokTypes.name ? this.tok.value : this.tok.type.keyword; + if (!name) { return this.dummyIdent() } + var node = this.startNode(); + this.next(); + node.name = name; + return this.finishNode(node, "Identifier") +}; + +lp$2.initFunction = function(node) { + node.id = null; + node.params = []; + if (this.options.ecmaVersion >= 6) { + node.generator = false; + node.expression = false; + } + if (this.options.ecmaVersion >= 8) + { node.async = false; } +}; + +// Convert existing expression atom to assignable pattern +// if possible. + +lp$2.toAssignable = function(node, binding) { + var this$1 = this; + + if (!node || node.type == "Identifier" || (node.type == "MemberExpression" && !binding)) { + // Okay + } else if (node.type == "ParenthesizedExpression") { + this.toAssignable(node.expression, binding); + } else if (this.options.ecmaVersion < 6) { + return this.dummyIdent() + } else if (node.type == "ObjectExpression") { + node.type = "ObjectPattern"; + var props = node.properties; + for (var i = 0, list = props; i < list.length; i += 1) + { + var prop = list[i]; + + this$1.toAssignable(prop.value, binding); + } + } else if (node.type == "ArrayExpression") { + node.type = "ArrayPattern"; + this.toAssignableList(node.elements, binding); + } else if (node.type == "SpreadElement") { + node.type = "RestElement"; + this.toAssignable(node.argument, binding); + } else if (node.type == "AssignmentExpression") { + node.type = "AssignmentPattern"; + delete node.operator; + } else { + return this.dummyIdent() + } + return node +}; + +lp$2.toAssignableList = function(exprList, binding) { + var this$1 = this; + + for (var i = 0, list = exprList; i < list.length; i += 1) + { + var expr = list[i]; + + this$1.toAssignable(expr, binding); + } + return exprList +}; + +lp$2.parseFunctionParams = function(params) { + params = this.parseExprList(__acorn.tokTypes.parenR); + return this.toAssignableList(params, true) +}; + +lp$2.parseMethod = function(isGenerator, isAsync) { + var node = this.startNode(), oldInAsync = this.inAsync; + this.initFunction(node); + if (this.options.ecmaVersion >= 6) + { node.generator = !!isGenerator; } + if (this.options.ecmaVersion >= 8) + { node.async = !!isAsync; } + this.inAsync = node.async; + node.params = this.parseFunctionParams(); + node.body = this.parseBlock(); + this.toks.adaptDirectivePrologue(node.body.body); + this.inAsync = oldInAsync; + return this.finishNode(node, "FunctionExpression") +}; + +lp$2.parseArrowExpression = function(node, params, isAsync) { + var oldInAsync = this.inAsync; + this.initFunction(node); + if (this.options.ecmaVersion >= 8) + { node.async = !!isAsync; } + this.inAsync = node.async; + node.params = this.toAssignableList(params, true); + node.expression = this.tok.type !== __acorn.tokTypes.braceL; + if (node.expression) { + node.body = this.parseMaybeAssign(); + } else { + node.body = this.parseBlock(); + this.toks.adaptDirectivePrologue(node.body.body); + } + this.inAsync = oldInAsync; + return this.finishNode(node, "ArrowFunctionExpression") +}; + +lp$2.parseExprList = function(close, allowEmpty) { + var this$1 = this; + + this.pushCx(); + var indent = this.curIndent, line = this.curLineStart, elts = []; + this.next(); // Opening bracket + while (!this.closes(close, indent + 1, line)) { + if (this$1.eat(__acorn.tokTypes.comma)) { + elts.push(allowEmpty ? null : this$1.dummyIdent()); + continue + } + var elt = this$1.parseMaybeAssign(); + if (isDummy(elt)) { + if (this$1.closes(close, indent, line)) { break } + this$1.next(); + } else { + elts.push(elt); + } + this$1.eat(__acorn.tokTypes.comma); + } + this.popCx(); + if (!this.eat(close)) { + // If there is no closing brace, make the node span to the start + // of the next token (this is useful for Tern) + this.last.end = this.tok.start; + if (this.options.locations) { this.last.loc.end = this.tok.loc.start; } + } + return elts +}; + +lp$2.parseAwait = function() { + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeUnary(); + return this.finishNode(node, "AwaitExpression") +}; + +// Acorn: Loose parser +// +// This module provides an alternative parser (`parse_dammit`) that +// exposes that same interface as `parse`, but will try to parse +// anything as JavaScript, repairing syntax error the best it can. +// There are circumstances in which it will raise an error and give +// up, but they are very rare. The resulting AST will be a mostly +// valid JavaScript AST (as per the [Mozilla parser API][api], except +// that: +// +// - Return outside functions is allowed +// +// - Label consistency (no conflicts, break only to existing labels) +// is not enforced. +// +// - Bogus Identifier nodes with a name of `"✖"` are inserted whenever +// the parser got too confused to return anything meaningful. +// +// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API +// +// The expected use for this is to *first* try `acorn.parse`, and only +// if that fails switch to `parse_dammit`. The loose parser might +// parse badly indented code incorrectly, so **don't** use it as +// your default parser. +// +// Quite a lot of acorn.js is duplicated here. The alternative was to +// add a *lot* of extra cruft to that file, making it less readable +// and slower. Copying and editing the code allowed me to make +// invasive changes and simplifications without creating a complicated +// tangle. + +__acorn.defaultOptions.tabSize = 4; + +// eslint-disable-next-line camelcase +function parse_dammit(input, options) { + return new LooseParser(input, options).parse() +} + +__acorn.addLooseExports(parse_dammit, LooseParser, pluginsLoose); + +exports.parse_dammit = parse_dammit; +exports.LooseParser = LooseParser; +exports.pluginsLoose = pluginsLoose; + +Object.defineProperty(exports, '__esModule', { value: true }); + +}))); |