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// CodeMirror, copyright (c) by Marijn Haverbeke and others |
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// Distributed under an MIT license: https://codemirror.net/LICENSE |
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|
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(function(mod) { |
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if (typeof exports == "object" && typeof module == "object") // CommonJS |
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mod(require("../../lib/codemirror")); |
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else if (typeof define == "function" && define.amd) // AMD |
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define(["../../lib/codemirror"], mod); |
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else // Plain browser env |
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mod(CodeMirror); |
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})(function(CodeMirror) { |
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"use strict"; |
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|
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CodeMirror.defineMode("javascript", function(config, parserConfig) { |
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var indentUnit = config.indentUnit; |
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var statementIndent = parserConfig.statementIndent; |
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var jsonldMode = parserConfig.jsonld; |
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var jsonMode = parserConfig.json || jsonldMode; |
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var isTS = parserConfig.typescript; |
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var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; |
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|
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// Tokenizer |
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|
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var keywords = function(){ |
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function kw(type) {return {type: type, style: "keyword"};} |
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var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d"); |
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var operator = kw("operator"), atom = {type: "atom", style: "atom"}; |
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|
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return { |
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"if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, |
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"return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C, |
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"debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"), |
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"function": kw("function"), "catch": kw("catch"), |
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"for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), |
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"in": operator, "typeof": operator, "instanceof": operator, |
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"true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, |
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"this": kw("this"), "class": kw("class"), "super": kw("atom"), |
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"yield": C, "export": kw("export"), "import": kw("import"), "extends": C, |
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"await": C |
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}; |
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}(); |
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|
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var isOperatorChar = /[+\-*&%=<>!?|~^@]/; |
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var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; |
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|
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function readRegexp(stream) { |
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var escaped = false, next, inSet = false; |
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while ((next = stream.next()) != null) { |
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if (!escaped) { |
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if (next == "/" && !inSet) return; |
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if (next == "[") inSet = true; |
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else if (inSet && next == "]") inSet = false; |
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} |
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escaped = !escaped && next == "\\"; |
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} |
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} |
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|
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// Used as scratch variables to communicate multiple values without |
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// consing up tons of objects. |
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var type, content; |
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function ret(tp, style, cont) { |
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type = tp; content = cont; |
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return style; |
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} |
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function tokenBase(stream, state) { |
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var ch = stream.next(); |
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if (ch == '"' || ch == "'") { |
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state.tokenize = tokenString(ch); |
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return state.tokenize(stream, state); |
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} else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) { |
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return ret("number", "number"); |
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} else if (ch == "." && stream.match("..")) { |
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return ret("spread", "meta"); |
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} else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { |
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return ret(ch); |
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} else if (ch == "=" && stream.eat(">")) { |
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return ret("=>", "operator"); |
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} else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) { |
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return ret("number", "number"); |
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} else if (/\d/.test(ch)) { |
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stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/); |
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return ret("number", "number"); |
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} else if (ch == "/") { |
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if (stream.eat("*")) { |
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state.tokenize = tokenComment; |
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return tokenComment(stream, state); |
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} else if (stream.eat("/")) { |
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stream.skipToEnd(); |
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return ret("comment", "comment"); |
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} else if (expressionAllowed(stream, state, 1)) { |
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readRegexp(stream); |
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stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/); |
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return ret("regexp", "string-2"); |
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} else { |
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stream.eat("="); |
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return ret("operator", "operator", stream.current()); |
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} |
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} else if (ch == "`") { |
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state.tokenize = tokenQuasi; |
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return tokenQuasi(stream, state); |
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} else if (ch == "#" && stream.peek() == "!") { |
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stream.skipToEnd(); |
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return ret("meta", "meta"); |
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} else if (ch == "#" && stream.eatWhile(wordRE)) { |
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return ret("variable", "property") |
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} else if (ch == "<" && stream.match("!--") || |
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(ch == "-" && stream.match("->") && !/\S/.test(stream.string.slice(0, stream.start)))) { |
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stream.skipToEnd() |
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return ret("comment", "comment") |
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} else if (isOperatorChar.test(ch)) { |
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if (ch != ">" || !state.lexical || state.lexical.type != ">") { |
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if (stream.eat("=")) { |
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if (ch == "!" || ch == "=") stream.eat("=") |
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} else if (/[<>*+\-]/.test(ch)) { |
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stream.eat(ch) |
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if (ch == ">") stream.eat(ch) |
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} |
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} |
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if (ch == "?" && stream.eat(".")) return ret(".") |
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return ret("operator", "operator", stream.current()); |
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} else if (wordRE.test(ch)) { |
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stream.eatWhile(wordRE); |
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var word = stream.current() |
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if (state.lastType != ".") { |
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if (keywords.propertyIsEnumerable(word)) { |
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var kw = keywords[word] |
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return ret(kw.type, kw.style, word) |
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} |
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if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\[\(\w]/, false)) |
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return ret("async", "keyword", word) |
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} |
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return ret("variable", "variable", word) |
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} |
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} |
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|
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function tokenString(quote) { |
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return function(stream, state) { |
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var escaped = false, next; |
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if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ |
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state.tokenize = tokenBase; |
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return ret("jsonld-keyword", "meta"); |
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} |
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while ((next = stream.next()) != null) { |
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if (next == quote && !escaped) break; |
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escaped = !escaped && next == "\\"; |
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} |
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if (!escaped) state.tokenize = tokenBase; |
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return ret("string", "string"); |
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}; |
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} |
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|
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function tokenComment(stream, state) { |
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var maybeEnd = false, ch; |
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while (ch = stream.next()) { |
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if (ch == "/" && maybeEnd) { |
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state.tokenize = tokenBase; |
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break; |
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} |
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maybeEnd = (ch == "*"); |
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} |
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return ret("comment", "comment"); |
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} |
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|
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function tokenQuasi(stream, state) { |
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var escaped = false, next; |
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while ((next = stream.next()) != null) { |
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if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) { |
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state.tokenize = tokenBase; |
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break; |
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} |
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escaped = !escaped && next == "\\"; |
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} |
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return ret("quasi", "string-2", stream.current()); |
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} |
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|
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var brackets = "([{}])"; |
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// This is a crude lookahead trick to try and notice that we're |
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// parsing the argument patterns for a fat-arrow function before we |
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// actually hit the arrow token. It only works if the arrow is on |
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// the same line as the arguments and there's no strange noise |
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// (comments) in between. Fallback is to only notice when we hit the |
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// arrow, and not declare the arguments as locals for the arrow |
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// body. |
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function findFatArrow(stream, state) { |
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if (state.fatArrowAt) state.fatArrowAt = null; |
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var arrow = stream.string.indexOf("=>", stream.start); |
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if (arrow < 0) return; |
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|
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if (isTS) { // Try to skip TypeScript return type declarations after the arguments |
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var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow)) |
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if (m) arrow = m.index |
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} |
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|
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var depth = 0, sawSomething = false; |
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for (var pos = arrow - 1; pos >= 0; --pos) { |
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var ch = stream.string.charAt(pos); |
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var bracket = brackets.indexOf(ch); |
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if (bracket >= 0 && bracket < 3) { |
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if (!depth) { ++pos; break; } |
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if (--depth == 0) { if (ch == "(") sawSomething = true; break; } |
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} else if (bracket >= 3 && bracket < 6) { |
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++depth; |
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} else if (wordRE.test(ch)) { |
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sawSomething = true; |
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} else if (/["'\/`]/.test(ch)) { |
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for (;; --pos) { |
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if (pos == 0) return |
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var next = stream.string.charAt(pos - 1) |
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if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break } |
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} |
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} else if (sawSomething && !depth) { |
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++pos; |
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break; |
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} |
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} |
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if (sawSomething && !depth) state.fatArrowAt = pos; |
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} |
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|
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// Parser |
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|
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var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; |
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|
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function JSLexical(indented, column, type, align, prev, info) { |
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this.indented = indented; |
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this.column = column; |
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this.type = type; |
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this.prev = prev; |
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this.info = info; |
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if (align != null) this.align = align; |
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} |
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|
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function inScope(state, varname) { |
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for (var v = state.localVars; v; v = v.next) |
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if (v.name == varname) return true; |
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for (var cx = state.context; cx; cx = cx.prev) { |
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for (var v = cx.vars; v; v = v.next) |
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if (v.name == varname) return true; |
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} |
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} |
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|
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function parseJS(state, style, type, content, stream) { |
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var cc = state.cc; |
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// Communicate our context to the combinators. |
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// (Less wasteful than consing up a hundred closures on every call.) |
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cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; |
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|
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if (!state.lexical.hasOwnProperty("align")) |
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state.lexical.align = true; |
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|
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while(true) { |
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var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; |
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if (combinator(type, content)) { |
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while(cc.length && cc[cc.length - 1].lex) |
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cc.pop()(); |
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if (cx.marked) return cx.marked; |
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if (type == "variable" && inScope(state, content)) return "variable-2"; |
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return style; |
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} |
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} |
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} |
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|
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// Combinator utils |
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|
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var cx = {state: null, column: null, marked: null, cc: null}; |
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function pass() { |
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for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); |
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} |
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function cont() { |
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pass.apply(null, arguments); |
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return true; |
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} |
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function inList(name, list) { |
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for (var v = list; v; v = v.next) if (v.name == name) return true |
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return false; |
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} |
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function register(varname) { |
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var state = cx.state; |
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cx.marked = "def"; |
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if (state.context) { |
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if (state.lexical.info == "var" && state.context && state.context.block) { |
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// FIXME function decls are also not block scoped |
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var newContext = registerVarScoped(varname, state.context) |
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if (newContext != null) { |
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state.context = newContext |
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return |
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} |
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} else if (!inList(varname, state.localVars)) { |
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state.localVars = new Var(varname, state.localVars) |
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return |
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} |
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} |
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// Fall through means this is global |
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if (parserConfig.globalVars && !inList(varname, state.globalVars)) |
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state.globalVars = new Var(varname, state.globalVars) |
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} |
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function registerVarScoped(varname, context) { |
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if (!context) { |
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return null |
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} else if (context.block) { |
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var inner = registerVarScoped(varname, context.prev) |
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if (!inner) return null |
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if (inner == context.prev) return context |
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return new Context(inner, context.vars, true) |
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} else if (inList(varname, context.vars)) { |
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return context |
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} else { |
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return new Context(context.prev, new Var(varname, context.vars), false) |
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} |
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} |
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|
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function isModifier(name) { |
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return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly" |
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} |
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|
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// Combinators |
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|
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function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block } |
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function Var(name, next) { this.name = name; this.next = next } |
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|
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var defaultVars = new Var("this", new Var("arguments", null)) |
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function pushcontext() { |
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cx.state.context = new Context(cx.state.context, cx.state.localVars, false) |
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cx.state.localVars = defaultVars |
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} |
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function pushblockcontext() { |
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cx.state.context = new Context(cx.state.context, cx.state.localVars, true) |
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cx.state.localVars = null |
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} |
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function popcontext() { |
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cx.state.localVars = cx.state.context.vars |
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cx.state.context = cx.state.context.prev |
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} |
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popcontext.lex = true |
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function pushlex(type, info) { |
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var result = function() { |
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var state = cx.state, indent = state.indented; |
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if (state.lexical.type == "stat") indent = state.lexical.indented; |
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else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) |
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indent = outer.indented; |
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state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); |
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}; |
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result.lex = true; |
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return result; |
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} |
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function poplex() { |
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var state = cx.state; |
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if (state.lexical.prev) { |
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if (state.lexical.type == ")") |
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state.indented = state.lexical.indented; |
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state.lexical = state.lexical.prev; |
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} |
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} |
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poplex.lex = true; |
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|
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function expect(wanted) { |
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function exp(type) { |
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if (type == wanted) return cont(); |
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else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass(); |
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else return cont(exp); |
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}; |
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return exp; |
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} |
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|
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function statement(type, value) { |
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if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex); |
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if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex); |
| 367 |
if (type == "keyword b") return cont(pushlex("form"), statement, poplex); |
| 368 |
if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex); |
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if (type == "debugger") return cont(expect(";")); |
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if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext); |
| 371 |
if (type == ";") return cont(); |
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if (type == "if") { |
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if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) |
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cx.state.cc.pop()(); |
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return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse); |
| 376 |
} |
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if (type == "function") return cont(functiondef); |
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if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); |
| 379 |
if (type == "class" || (isTS && value == "interface")) { |
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cx.marked = "keyword" |
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return cont(pushlex("form", type == "class" ? type : value), className, poplex) |
| 382 |
} |
| 383 |
if (type == "variable") { |
| 384 |
if (isTS && value == "declare") { |
| 385 |
cx.marked = "keyword" |
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return cont(statement) |
| 387 |
} else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) { |
| 388 |
cx.marked = "keyword" |
| 389 |
if (value == "enum") return cont(enumdef); |
| 390 |
else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";")); |
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else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex) |
| 392 |
} else if (isTS && value == "namespace") { |
| 393 |
cx.marked = "keyword" |
| 394 |
return cont(pushlex("form"), expression, statement, poplex) |
| 395 |
} else if (isTS && value == "abstract") { |
| 396 |
cx.marked = "keyword" |
| 397 |
return cont(statement) |
| 398 |
} else { |
| 399 |
return cont(pushlex("stat"), maybelabel); |
| 400 |
} |
| 401 |
} |
| 402 |
if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext, |
| 403 |
block, poplex, poplex, popcontext); |
| 404 |
if (type == "case") return cont(expression, expect(":")); |
| 405 |
if (type == "default") return cont(expect(":")); |
| 406 |
if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext); |
| 407 |
if (type == "export") return cont(pushlex("stat"), afterExport, poplex); |
| 408 |
if (type == "import") return cont(pushlex("stat"), afterImport, poplex); |
| 409 |
if (type == "async") return cont(statement) |
| 410 |
if (value == "@") return cont(expression, statement) |
| 411 |
return pass(pushlex("stat"), expression, expect(";"), poplex); |
| 412 |
} |
| 413 |
function maybeCatchBinding(type) { |
| 414 |
if (type == "(") return cont(funarg, expect(")")) |
| 415 |
} |
| 416 |
function expression(type, value) { |
| 417 |
return expressionInner(type, value, false); |
| 418 |
} |
| 419 |
function expressionNoComma(type, value) { |
| 420 |
return expressionInner(type, value, true); |
| 421 |
} |
| 422 |
function parenExpr(type) { |
| 423 |
if (type != "(") return pass() |
| 424 |
return cont(pushlex(")"), maybeexpression, expect(")"), poplex) |
| 425 |
} |
| 426 |
function expressionInner(type, value, noComma) { |
| 427 |
if (cx.state.fatArrowAt == cx.stream.start) { |
| 428 |
var body = noComma ? arrowBodyNoComma : arrowBody; |
| 429 |
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext); |
| 430 |
else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); |
| 431 |
} |
| 432 |
|
| 433 |
var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; |
| 434 |
if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); |
| 435 |
if (type == "function") return cont(functiondef, maybeop); |
| 436 |
if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); } |
| 437 |
if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression); |
| 438 |
if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop); |
| 439 |
if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); |
| 440 |
if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); |
| 441 |
if (type == "{") return contCommasep(objprop, "}", null, maybeop); |
| 442 |
if (type == "quasi") return pass(quasi, maybeop); |
| 443 |
if (type == "new") return cont(maybeTarget(noComma)); |
| 444 |
if (type == "import") return cont(expression); |
| 445 |
return cont(); |
| 446 |
} |
| 447 |
function maybeexpression(type) { |
| 448 |
if (type.match(/[;\}\)\],]/)) return pass(); |
| 449 |
return pass(expression); |
| 450 |
} |
| 451 |
|
| 452 |
function maybeoperatorComma(type, value) { |
| 453 |
if (type == ",") return cont(maybeexpression); |
| 454 |
return maybeoperatorNoComma(type, value, false); |
| 455 |
} |
| 456 |
function maybeoperatorNoComma(type, value, noComma) { |
| 457 |
var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; |
| 458 |
var expr = noComma == false ? expression : expressionNoComma; |
| 459 |
if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); |
| 460 |
if (type == "operator") { |
| 461 |
if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me); |
| 462 |
if (isTS && value == "<" && cx.stream.match(/^([^<>]|<[^<>]*>)*>\s*\(/, false)) |
| 463 |
return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me); |
| 464 |
if (value == "?") return cont(expression, expect(":"), expr); |
| 465 |
return cont(expr); |
| 466 |
} |
| 467 |
if (type == "quasi") { return pass(quasi, me); } |
| 468 |
if (type == ";") return; |
| 469 |
if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); |
| 470 |
if (type == ".") return cont(property, me); |
| 471 |
if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); |
| 472 |
if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) } |
| 473 |
if (type == "regexp") { |
| 474 |
cx.state.lastType = cx.marked = "operator" |
| 475 |
cx.stream.backUp(cx.stream.pos - cx.stream.start - 1) |
| 476 |
return cont(expr) |
| 477 |
} |
| 478 |
} |
| 479 |
function quasi(type, value) { |
| 480 |
if (type != "quasi") return pass(); |
| 481 |
if (value.slice(value.length - 2) != "${") return cont(quasi); |
| 482 |
return cont(expression, continueQuasi); |
| 483 |
} |
| 484 |
function continueQuasi(type) { |
| 485 |
if (type == "}") { |
| 486 |
cx.marked = "string-2"; |
| 487 |
cx.state.tokenize = tokenQuasi; |
| 488 |
return cont(quasi); |
| 489 |
} |
| 490 |
} |
| 491 |
function arrowBody(type) { |
| 492 |
findFatArrow(cx.stream, cx.state); |
| 493 |
return pass(type == "{" ? statement : expression); |
| 494 |
} |
| 495 |
function arrowBodyNoComma(type) { |
| 496 |
findFatArrow(cx.stream, cx.state); |
| 497 |
return pass(type == "{" ? statement : expressionNoComma); |
| 498 |
} |
| 499 |
function maybeTarget(noComma) { |
| 500 |
return function(type) { |
| 501 |
if (type == ".") return cont(noComma ? targetNoComma : target); |
| 502 |
else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma) |
| 503 |
else return pass(noComma ? expressionNoComma : expression); |
| 504 |
}; |
| 505 |
} |
| 506 |
function target(_, value) { |
| 507 |
if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); } |
| 508 |
} |
| 509 |
function targetNoComma(_, value) { |
| 510 |
if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); } |
| 511 |
} |
| 512 |
function maybelabel(type) { |
| 513 |
if (type == ":") return cont(poplex, statement); |
| 514 |
return pass(maybeoperatorComma, expect(";"), poplex); |
| 515 |
} |
| 516 |
function property(type) { |
| 517 |
if (type == "variable") {cx.marked = "property"; return cont();} |
| 518 |
} |
| 519 |
function objprop(type, value) { |
| 520 |
if (type == "async") { |
| 521 |
cx.marked = "property"; |
| 522 |
return cont(objprop); |
| 523 |
} else if (type == "variable" || cx.style == "keyword") { |
| 524 |
cx.marked = "property"; |
| 525 |
if (value == "get" || value == "set") return cont(getterSetter); |
| 526 |
var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params |
| 527 |
if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false))) |
| 528 |
cx.state.fatArrowAt = cx.stream.pos + m[0].length |
| 529 |
return cont(afterprop); |
| 530 |
} else if (type == "number" || type == "string") { |
| 531 |
cx.marked = jsonldMode ? "property" : (cx.style + " property"); |
| 532 |
return cont(afterprop); |
| 533 |
} else if (type == "jsonld-keyword") { |
| 534 |
return cont(afterprop); |
| 535 |
} else if (isTS && isModifier(value)) { |
| 536 |
cx.marked = "keyword" |
| 537 |
return cont(objprop) |
| 538 |
} else if (type == "[") { |
| 539 |
return cont(expression, maybetype, expect("]"), afterprop); |
| 540 |
} else if (type == "spread") { |
| 541 |
return cont(expressionNoComma, afterprop); |
| 542 |
} else if (value == "*") { |
| 543 |
cx.marked = "keyword"; |
| 544 |
return cont(objprop); |
| 545 |
} else if (type == ":") { |
| 546 |
return pass(afterprop) |
| 547 |
} |
| 548 |
} |
| 549 |
function getterSetter(type) { |
| 550 |
if (type != "variable") return pass(afterprop); |
| 551 |
cx.marked = "property"; |
| 552 |
return cont(functiondef); |
| 553 |
} |
| 554 |
function afterprop(type) { |
| 555 |
if (type == ":") return cont(expressionNoComma); |
| 556 |
if (type == "(") return pass(functiondef); |
| 557 |
} |
| 558 |
function commasep(what, end, sep) { |
| 559 |
function proceed(type, value) { |
| 560 |
if (sep ? sep.indexOf(type) > -1 : type == ",") { |
| 561 |
var lex = cx.state.lexical; |
| 562 |
if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; |
| 563 |
return cont(function(type, value) { |
| 564 |
if (type == end || value == end) return pass() |
| 565 |
return pass(what) |
| 566 |
}, proceed); |
| 567 |
} |
| 568 |
if (type == end || value == end) return cont(); |
| 569 |
if (sep && sep.indexOf(";") > -1) return pass(what) |
| 570 |
return cont(expect(end)); |
| 571 |
} |
| 572 |
return function(type, value) { |
| 573 |
if (type == end || value == end) return cont(); |
| 574 |
return pass(what, proceed); |
| 575 |
}; |
| 576 |
} |
| 577 |
function contCommasep(what, end, info) { |
| 578 |
for (var i = 3; i < arguments.length; i++) |
| 579 |
cx.cc.push(arguments[i]); |
| 580 |
return cont(pushlex(end, info), commasep(what, end), poplex); |
| 581 |
} |
| 582 |
function block(type) { |
| 583 |
if (type == "}") return cont(); |
| 584 |
return pass(statement, block); |
| 585 |
} |
| 586 |
function maybetype(type, value) { |
| 587 |
if (isTS) { |
| 588 |
if (type == ":") return cont(typeexpr); |
| 589 |
if (value == "?") return cont(maybetype); |
| 590 |
} |
| 591 |
} |
| 592 |
function maybetypeOrIn(type, value) { |
| 593 |
if (isTS && (type == ":" || value == "in")) return cont(typeexpr) |
| 594 |
} |
| 595 |
function mayberettype(type) { |
| 596 |
if (isTS && type == ":") { |
| 597 |
if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr) |
| 598 |
else return cont(typeexpr) |
| 599 |
} |
| 600 |
} |
| 601 |
function isKW(_, value) { |
| 602 |
if (value == "is") { |
| 603 |
cx.marked = "keyword" |
| 604 |
return cont() |
| 605 |
} |
| 606 |
} |
| 607 |
function typeexpr(type, value) { |
| 608 |
if (value == "keyof" || value == "typeof" || value == "infer") { |
| 609 |
cx.marked = "keyword" |
| 610 |
return cont(value == "typeof" ? expressionNoComma : typeexpr) |
| 611 |
} |
| 612 |
if (type == "variable" || value == "void") { |
| 613 |
cx.marked = "type" |
| 614 |
return cont(afterType) |
| 615 |
} |
| 616 |
if (value == "|" || value == "&") return cont(typeexpr) |
| 617 |
if (type == "string" || type == "number" || type == "atom") return cont(afterType); |
| 618 |
if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType) |
| 619 |
if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType) |
| 620 |
if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType) |
| 621 |
if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr) |
| 622 |
} |
| 623 |
function maybeReturnType(type) { |
| 624 |
if (type == "=>") return cont(typeexpr) |
| 625 |
} |
| 626 |
function typeprop(type, value) { |
| 627 |
if (type == "variable" || cx.style == "keyword") { |
| 628 |
cx.marked = "property" |
| 629 |
return cont(typeprop) |
| 630 |
} else if (value == "?" || type == "number" || type == "string") { |
| 631 |
return cont(typeprop) |
| 632 |
} else if (type == ":") { |
| 633 |
return cont(typeexpr) |
| 634 |
} else if (type == "[") { |
| 635 |
return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop) |
| 636 |
} else if (type == "(") { |
| 637 |
return pass(functiondecl, typeprop) |
| 638 |
} |
| 639 |
} |
| 640 |
function typearg(type, value) { |
| 641 |
if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg) |
| 642 |
if (type == ":") return cont(typeexpr) |
| 643 |
if (type == "spread") return cont(typearg) |
| 644 |
return pass(typeexpr) |
| 645 |
} |
| 646 |
function afterType(type, value) { |
| 647 |
if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) |
| 648 |
if (value == "|" || type == "." || value == "&") return cont(typeexpr) |
| 649 |
if (type == "[") return cont(typeexpr, expect("]"), afterType) |
| 650 |
if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) } |
| 651 |
if (value == "?") return cont(typeexpr, expect(":"), typeexpr) |
| 652 |
} |
| 653 |
function maybeTypeArgs(_, value) { |
| 654 |
if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) |
| 655 |
} |
| 656 |
function typeparam() { |
| 657 |
return pass(typeexpr, maybeTypeDefault) |
| 658 |
} |
| 659 |
function maybeTypeDefault(_, value) { |
| 660 |
if (value == "=") return cont(typeexpr) |
| 661 |
} |
| 662 |
function vardef(_, value) { |
| 663 |
if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)} |
| 664 |
return pass(pattern, maybetype, maybeAssign, vardefCont); |
| 665 |
} |
| 666 |
function pattern(type, value) { |
| 667 |
if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) } |
| 668 |
if (type == "variable") { register(value); return cont(); } |
| 669 |
if (type == "spread") return cont(pattern); |
| 670 |
if (type == "[") return contCommasep(eltpattern, "]"); |
| 671 |
if (type == "{") return contCommasep(proppattern, "}"); |
| 672 |
} |
| 673 |
function proppattern(type, value) { |
| 674 |
if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { |
| 675 |
register(value); |
| 676 |
return cont(maybeAssign); |
| 677 |
} |
| 678 |
if (type == "variable") cx.marked = "property"; |
| 679 |
if (type == "spread") return cont(pattern); |
| 680 |
if (type == "}") return pass(); |
| 681 |
if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern); |
| 682 |
return cont(expect(":"), pattern, maybeAssign); |
| 683 |
} |
| 684 |
function eltpattern() { |
| 685 |
return pass(pattern, maybeAssign) |
| 686 |
} |
| 687 |
function maybeAssign(_type, value) { |
| 688 |
if (value == "=") return cont(expressionNoComma); |
| 689 |
} |
| 690 |
function vardefCont(type) { |
| 691 |
if (type == ",") return cont(vardef); |
| 692 |
} |
| 693 |
function maybeelse(type, value) { |
| 694 |
if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); |
| 695 |
} |
| 696 |
function forspec(type, value) { |
| 697 |
if (value == "await") return cont(forspec); |
| 698 |
if (type == "(") return cont(pushlex(")"), forspec1, poplex); |
| 699 |
} |
| 700 |
function forspec1(type) { |
| 701 |
if (type == "var") return cont(vardef, forspec2); |
| 702 |
if (type == "variable") return cont(forspec2); |
| 703 |
return pass(forspec2) |
| 704 |
} |
| 705 |
function forspec2(type, value) { |
| 706 |
if (type == ")") return cont() |
| 707 |
if (type == ";") return cont(forspec2) |
| 708 |
if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) } |
| 709 |
return pass(expression, forspec2) |
| 710 |
} |
| 711 |
function functiondef(type, value) { |
| 712 |
if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} |
| 713 |
if (type == "variable") {register(value); return cont(functiondef);} |
| 714 |
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext); |
| 715 |
if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef) |
| 716 |
} |
| 717 |
function functiondecl(type, value) { |
| 718 |
if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);} |
| 719 |
if (type == "variable") {register(value); return cont(functiondecl);} |
| 720 |
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext); |
| 721 |
if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl) |
| 722 |
} |
| 723 |
function typename(type, value) { |
| 724 |
if (type == "keyword" || type == "variable") { |
| 725 |
cx.marked = "type" |
| 726 |
return cont(typename) |
| 727 |
} else if (value == "<") { |
| 728 |
return cont(pushlex(">"), commasep(typeparam, ">"), poplex) |
| 729 |
} |
| 730 |
} |
| 731 |
function funarg(type, value) { |
| 732 |
if (value == "@") cont(expression, funarg) |
| 733 |
if (type == "spread") return cont(funarg); |
| 734 |
if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); } |
| 735 |
if (isTS && type == "this") return cont(maybetype, maybeAssign) |
| 736 |
return pass(pattern, maybetype, maybeAssign); |
| 737 |
} |
| 738 |
function classExpression(type, value) { |
| 739 |
// Class expressions may have an optional name. |
| 740 |
if (type == "variable") return className(type, value); |
| 741 |
return classNameAfter(type, value); |
| 742 |
} |
| 743 |
function className(type, value) { |
| 744 |
if (type == "variable") {register(value); return cont(classNameAfter);} |
| 745 |
} |
| 746 |
function classNameAfter(type, value) { |
| 747 |
if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter) |
| 748 |
if (value == "extends" || value == "implements" || (isTS && type == ",")) { |
| 749 |
if (value == "implements") cx.marked = "keyword"; |
| 750 |
return cont(isTS ? typeexpr : expression, classNameAfter); |
| 751 |
} |
| 752 |
if (type == "{") return cont(pushlex("}"), classBody, poplex); |
| 753 |
} |
| 754 |
function classBody(type, value) { |
| 755 |
if (type == "async" || |
| 756 |
(type == "variable" && |
| 757 |
(value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) && |
| 758 |
cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) { |
| 759 |
cx.marked = "keyword"; |
| 760 |
return cont(classBody); |
| 761 |
} |
| 762 |
if (type == "variable" || cx.style == "keyword") { |
| 763 |
cx.marked = "property"; |
| 764 |
return cont(classfield, classBody); |
| 765 |
} |
| 766 |
if (type == "number" || type == "string") return cont(classfield, classBody); |
| 767 |
if (type == "[") |
| 768 |
return cont(expression, maybetype, expect("]"), classfield, classBody) |
| 769 |
if (value == "*") { |
| 770 |
cx.marked = "keyword"; |
| 771 |
return cont(classBody); |
| 772 |
} |
| 773 |
if (isTS && type == "(") return pass(functiondecl, classBody) |
| 774 |
if (type == ";" || type == ",") return cont(classBody); |
| 775 |
if (type == "}") return cont(); |
| 776 |
if (value == "@") return cont(expression, classBody) |
| 777 |
} |
| 778 |
function classfield(type, value) { |
| 779 |
if (value == "?") return cont(classfield) |
| 780 |
if (type == ":") return cont(typeexpr, maybeAssign) |
| 781 |
if (value == "=") return cont(expressionNoComma) |
| 782 |
var context = cx.state.lexical.prev, isInterface = context && context.info == "interface" |
| 783 |
return pass(isInterface ? functiondecl : functiondef) |
| 784 |
} |
| 785 |
function afterExport(type, value) { |
| 786 |
if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } |
| 787 |
if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } |
| 788 |
if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";")); |
| 789 |
return pass(statement); |
| 790 |
} |
| 791 |
function exportField(type, value) { |
| 792 |
if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); } |
| 793 |
if (type == "variable") return pass(expressionNoComma, exportField); |
| 794 |
} |
| 795 |
function afterImport(type) { |
| 796 |
if (type == "string") return cont(); |
| 797 |
if (type == "(") return pass(expression); |
| 798 |
return pass(importSpec, maybeMoreImports, maybeFrom); |
| 799 |
} |
| 800 |
function importSpec(type, value) { |
| 801 |
if (type == "{") return contCommasep(importSpec, "}"); |
| 802 |
if (type == "variable") register(value); |
| 803 |
if (value == "*") cx.marked = "keyword"; |
| 804 |
return cont(maybeAs); |
| 805 |
} |
| 806 |
function maybeMoreImports(type) { |
| 807 |
if (type == ",") return cont(importSpec, maybeMoreImports) |
| 808 |
} |
| 809 |
function maybeAs(_type, value) { |
| 810 |
if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } |
| 811 |
} |
| 812 |
function maybeFrom(_type, value) { |
| 813 |
if (value == "from") { cx.marked = "keyword"; return cont(expression); } |
| 814 |
} |
| 815 |
function arrayLiteral(type) { |
| 816 |
if (type == "]") return cont(); |
| 817 |
return pass(commasep(expressionNoComma, "]")); |
| 818 |
} |
| 819 |
function enumdef() { |
| 820 |
return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex) |
| 821 |
} |
| 822 |
function enummember() { |
| 823 |
return pass(pattern, maybeAssign); |
| 824 |
} |
| 825 |
|
| 826 |
function isContinuedStatement(state, textAfter) { |
| 827 |
return state.lastType == "operator" || state.lastType == "," || |
| 828 |
isOperatorChar.test(textAfter.charAt(0)) || |
| 829 |
/[,.]/.test(textAfter.charAt(0)); |
| 830 |
} |
| 831 |
|
| 832 |
function expressionAllowed(stream, state, backUp) { |
| 833 |
return state.tokenize == tokenBase && |
| 834 |
/^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) || |
| 835 |
(state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) |
| 836 |
} |
| 837 |
|
| 838 |
// Interface |
| 839 |
|
| 840 |
return { |
| 841 |
startState: function(basecolumn) { |
| 842 |
var state = { |
| 843 |
tokenize: tokenBase, |
| 844 |
lastType: "sof", |
| 845 |
cc: [], |
| 846 |
lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), |
| 847 |
localVars: parserConfig.localVars, |
| 848 |
context: parserConfig.localVars && new Context(null, null, false), |
| 849 |
indented: basecolumn || 0 |
| 850 |
}; |
| 851 |
if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") |
| 852 |
state.globalVars = parserConfig.globalVars; |
| 853 |
return state; |
| 854 |
}, |
| 855 |
|
| 856 |
token: function(stream, state) { |
| 857 |
if (stream.sol()) { |
| 858 |
if (!state.lexical.hasOwnProperty("align")) |
| 859 |
state.lexical.align = false; |
| 860 |
state.indented = stream.indentation(); |
| 861 |
findFatArrow(stream, state); |
| 862 |
} |
| 863 |
if (state.tokenize != tokenComment && stream.eatSpace()) return null; |
| 864 |
var style = state.tokenize(stream, state); |
| 865 |
if (type == "comment") return style; |
| 866 |
state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type; |
| 867 |
return parseJS(state, style, type, content, stream); |
| 868 |
}, |
| 869 |
|
| 870 |
indent: function(state, textAfter) { |
| 871 |
if (state.tokenize == tokenComment) return CodeMirror.Pass; |
| 872 |
if (state.tokenize != tokenBase) return 0; |
| 873 |
var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top |
| 874 |
// Kludge to prevent 'maybelse' from blocking lexical scope pops |
| 875 |
if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { |
| 876 |
var c = state.cc[i]; |
| 877 |
if (c == poplex) lexical = lexical.prev; |
| 878 |
else if (c != maybeelse) break; |
| 879 |
} |
| 880 |
while ((lexical.type == "stat" || lexical.type == "form") && |
| 881 |
(firstChar == "}" || ((top = state.cc[state.cc.length - 1]) && |
| 882 |
(top == maybeoperatorComma || top == maybeoperatorNoComma) && |
| 883 |
!/^[,\.=+\-*:?[\(]/.test(textAfter)))) |
| 884 |
lexical = lexical.prev; |
| 885 |
if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") |
| 886 |
lexical = lexical.prev; |
| 887 |
var type = lexical.type, closing = firstChar == type; |
| 888 |
|
| 889 |
if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0); |
| 890 |
else if (type == "form" && firstChar == "{") return lexical.indented; |
| 891 |
else if (type == "form") return lexical.indented + indentUnit; |
| 892 |
else if (type == "stat") |
| 893 |
return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); |
| 894 |
else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) |
| 895 |
return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); |
| 896 |
else if (lexical.align) return lexical.column + (closing ? 0 : 1); |
| 897 |
else return lexical.indented + (closing ? 0 : indentUnit); |
| 898 |
}, |
| 899 |
|
| 900 |
electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, |
| 901 |
blockCommentStart: jsonMode ? null : "/*", |
| 902 |
blockCommentEnd: jsonMode ? null : "*/", |
| 903 |
blockCommentContinue: jsonMode ? null : " * ", |
| 904 |
lineComment: jsonMode ? null : "//", |
| 905 |
fold: "brace", |
| 906 |
closeBrackets: "()[]{}''\"\"``", |
| 907 |
|
| 908 |
helperType: jsonMode ? "json" : "javascript", |
| 909 |
jsonldMode: jsonldMode, |
| 910 |
jsonMode: jsonMode, |
| 911 |
|
| 912 |
expressionAllowed: expressionAllowed, |
| 913 |
|
| 914 |
skipExpression: function(state) { |
| 915 |
var top = state.cc[state.cc.length - 1] |
| 916 |
if (top == expression || top == expressionNoComma) state.cc.pop() |
| 917 |
} |
| 918 |
}; |
| 919 |
}); |
| 920 |
|
| 921 |
CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); |
| 922 |
|
| 923 |
CodeMirror.defineMIME("text/javascript", "javascript"); |
| 924 |
CodeMirror.defineMIME("text/ecmascript", "javascript"); |
| 925 |
CodeMirror.defineMIME("application/javascript", "javascript"); |
| 926 |
CodeMirror.defineMIME("application/x-javascript", "javascript"); |
| 927 |
CodeMirror.defineMIME("application/ecmascript", "javascript"); |
| 928 |
CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); |
| 929 |
CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); |
| 930 |
CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); |
| 931 |
CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); |
| 932 |
CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); |
| 933 |
|
| 934 |
}); |
| 935 |
|
