| // CodeMirror, copyright (c) by Marijn Haverbeke and others |
| // Distributed under an MIT license: https://codemirror.net/LICENSE |
| |
| (function(mod) { |
| if (typeof exports == "object" && typeof module == "object") // CommonJS |
| mod(require("../../lib/codemirror")); |
| else if (typeof define == "function" && define.amd) // AMD |
| define(["../../lib/codemirror"], mod); |
| else // Plain browser env |
| mod(CodeMirror); |
| })(function(CodeMirror) { |
| "use strict"; |
| |
| CodeMirror.defineMode("javascript", function(config, parserConfig) { |
| var indentUnit = config.indentUnit; |
| var statementIndent = parserConfig.statementIndent; |
| var jsonldMode = parserConfig.jsonld; |
| var jsonMode = parserConfig.json || jsonldMode; |
| var isTS = parserConfig.typescript; |
| var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; |
| |
| // Tokenizer |
| |
| var keywords = function(){ |
| function kw(type) {return {type: type, style: "keyword"};} |
| var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d"); |
| var operator = kw("operator"), atom = {type: "atom", style: "atom"}; |
| |
| return { |
| "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, |
| "return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C, |
| "debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"), |
| "function": kw("function"), "catch": kw("catch"), |
| "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), |
| "in": operator, "typeof": operator, "instanceof": operator, |
| "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, |
| "this": kw("this"), "class": kw("class"), "super": kw("atom"), |
| "yield": C, "export": kw("export"), "import": kw("import"), "extends": C, |
| "await": C |
| }; |
| }(); |
| |
| var isOperatorChar = /[+\-*&%=<>!?|~^@]/; |
| var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; |
| |
| function readRegexp(stream) { |
| var escaped = false, next, inSet = false; |
| while ((next = stream.next()) != null) { |
| if (!escaped) { |
| if (next == "/" && !inSet) return; |
| if (next == "[") inSet = true; |
| else if (inSet && next == "]") inSet = false; |
| } |
| escaped = !escaped && next == "\\"; |
| } |
| } |
| |
| // Used as scratch variables to communicate multiple values without |
| // consing up tons of objects. |
| var type, content; |
| function ret(tp, style, cont) { |
| type = tp; content = cont; |
| return style; |
| } |
| function tokenBase(stream, state) { |
| var ch = stream.next(); |
| if (ch == '"' || ch == "'") { |
| state.tokenize = tokenString(ch); |
| return state.tokenize(stream, state); |
| } else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) { |
| return ret("number", "number"); |
| } else if (ch == "." && stream.match("..")) { |
| return ret("spread", "meta"); |
| } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { |
| return ret(ch); |
| } else if (ch == "=" && stream.eat(">")) { |
| return ret("=>", "operator"); |
| } else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) { |
| return ret("number", "number"); |
| } else if (/\d/.test(ch)) { |
| stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/); |
| return ret("number", "number"); |
| } else if (ch == "/") { |
| if (stream.eat("*")) { |
| state.tokenize = tokenComment; |
| return tokenComment(stream, state); |
| } else if (stream.eat("/")) { |
| stream.skipToEnd(); |
| return ret("comment", "comment"); |
| } else if (expressionAllowed(stream, state, 1)) { |
| readRegexp(stream); |
| stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/); |
| return ret("regexp", "string-2"); |
| } else { |
| stream.eat("="); |
| return ret("operator", "operator", stream.current()); |
| } |
| } else if (ch == "`") { |
| state.tokenize = tokenQuasi; |
| return tokenQuasi(stream, state); |
| } else if (ch == "#") { |
| stream.skipToEnd(); |
| return ret("error", "error"); |
| } else if (isOperatorChar.test(ch)) { |
| if (ch != ">" || !state.lexical || state.lexical.type != ">") { |
| if (stream.eat("=")) { |
| if (ch == "!" || ch == "=") stream.eat("=") |
| } else if (/[<>*+\-]/.test(ch)) { |
| stream.eat(ch) |
| if (ch == ">") stream.eat(ch) |
| } |
| } |
| return ret("operator", "operator", stream.current()); |
| } else if (wordRE.test(ch)) { |
| stream.eatWhile(wordRE); |
| var word = stream.current() |
| if (state.lastType != ".") { |
| if (keywords.propertyIsEnumerable(word)) { |
| var kw = keywords[word] |
| return ret(kw.type, kw.style, word) |
| } |
| if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\[\(\w]/, false)) |
| return ret("async", "keyword", word) |
| } |
| return ret("variable", "variable", word) |
| } |
| } |
| |
| function tokenString(quote) { |
| return function(stream, state) { |
| var escaped = false, next; |
| if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ |
| state.tokenize = tokenBase; |
| return ret("jsonld-keyword", "meta"); |
| } |
| while ((next = stream.next()) != null) { |
| if (next == quote && !escaped) break; |
| escaped = !escaped && next == "\\"; |
| } |
| if (!escaped) state.tokenize = tokenBase; |
| return ret("string", "string"); |
| }; |
| } |
| |
| function tokenComment(stream, state) { |
| var maybeEnd = false, ch; |
| while (ch = stream.next()) { |
| if (ch == "/" && maybeEnd) { |
| state.tokenize = tokenBase; |
| break; |
| } |
| maybeEnd = (ch == "*"); |
| } |
| return ret("comment", "comment"); |
| } |
| |
| function tokenQuasi(stream, state) { |
| var escaped = false, next; |
| while ((next = stream.next()) != null) { |
| if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) { |
| state.tokenize = tokenBase; |
| break; |
| } |
| escaped = !escaped && next == "\\"; |
| } |
| return ret("quasi", "string-2", stream.current()); |
| } |
| |
| var brackets = "([{}])"; |
| // This is a crude lookahead trick to try and notice that we're |
| // parsing the argument patterns for a fat-arrow function before we |
| // actually hit the arrow token. It only works if the arrow is on |
| // the same line as the arguments and there's no strange noise |
| // (comments) in between. Fallback is to only notice when we hit the |
| // arrow, and not declare the arguments as locals for the arrow |
| // body. |
| function findFatArrow(stream, state) { |
| if (state.fatArrowAt) state.fatArrowAt = null; |
| var arrow = stream.string.indexOf("=>", stream.start); |
| if (arrow < 0) return; |
| |
| if (isTS) { // Try to skip TypeScript return type declarations after the arguments |
| var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow)) |
| if (m) arrow = m.index |
| } |
| |
| var depth = 0, sawSomething = false; |
| for (var pos = arrow - 1; pos >= 0; --pos) { |
| var ch = stream.string.charAt(pos); |
| var bracket = brackets.indexOf(ch); |
| if (bracket >= 0 && bracket < 3) { |
| if (!depth) { ++pos; break; } |
| if (--depth == 0) { if (ch == "(") sawSomething = true; break; } |
| } else if (bracket >= 3 && bracket < 6) { |
| ++depth; |
| } else if (wordRE.test(ch)) { |
| sawSomething = true; |
| } else if (/["'\/`]/.test(ch)) { |
| for (;; --pos) { |
| if (pos == 0) return |
| var next = stream.string.charAt(pos - 1) |
| if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break } |
| } |
| } else if (sawSomething && !depth) { |
| ++pos; |
| break; |
| } |
| } |
| if (sawSomething && !depth) state.fatArrowAt = pos; |
| } |
| |
| // Parser |
| |
| var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; |
| |
| function JSLexical(indented, column, type, align, prev, info) { |
| this.indented = indented; |
| this.column = column; |
| this.type = type; |
| this.prev = prev; |
| this.info = info; |
| if (align != null) this.align = align; |
| } |
| |
| function inScope(state, varname) { |
| for (var v = state.localVars; v; v = v.next) |
| if (v.name == varname) return true; |
| for (var cx = state.context; cx; cx = cx.prev) { |
| for (var v = cx.vars; v; v = v.next) |
| if (v.name == varname) return true; |
| } |
| } |
| |
| function parseJS(state, style, type, content, stream) { |
| var cc = state.cc; |
| // Communicate our context to the combinators. |
| // (Less wasteful than consing up a hundred closures on every call.) |
| cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; |
| |
| if (!state.lexical.hasOwnProperty("align")) |
| state.lexical.align = true; |
| |
| while(true) { |
| var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; |
| if (combinator(type, content)) { |
| while(cc.length && cc[cc.length - 1].lex) |
| cc.pop()(); |
| if (cx.marked) return cx.marked; |
| if (type == "variable" && inScope(state, content)) return "variable-2"; |
| return style; |
| } |
| } |
| } |
| |
| // Combinator utils |
| |
| var cx = {state: null, column: null, marked: null, cc: null}; |
| function pass() { |
| for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); |
| } |
| function cont() { |
| pass.apply(null, arguments); |
| return true; |
| } |
| function inList(name, list) { |
| for (var v = list; v; v = v.next) if (v.name == name) return true |
| return false; |
| } |
| function register(varname) { |
| var state = cx.state; |
| cx.marked = "def"; |
| if (state.context) { |
| if (state.lexical.info == "var" && state.context && state.context.block) { |
| // FIXME function decls are also not block scoped |
| var newContext = registerVarScoped(varname, state.context) |
| if (newContext != null) { |
| state.context = newContext |
| return |
| } |
| } else if (!inList(varname, state.localVars)) { |
| state.localVars = new Var(varname, state.localVars) |
| return |
| } |
| } |
| // Fall through means this is global |
| if (parserConfig.globalVars && !inList(varname, state.globalVars)) |
| state.globalVars = new Var(varname, state.globalVars) |
| } |
| function registerVarScoped(varname, context) { |
| if (!context) { |
| return null |
| } else if (context.block) { |
| var inner = registerVarScoped(varname, context.prev) |
| if (!inner) return null |
| if (inner == context.prev) return context |
| return new Context(inner, context.vars, true) |
| } else if (inList(varname, context.vars)) { |
| return context |
| } else { |
| return new Context(context.prev, new Var(varname, context.vars), false) |
| } |
| } |
| |
| function isModifier(name) { |
| return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly" |
| } |
| |
| // Combinators |
| |
| function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block } |
| function Var(name, next) { this.name = name; this.next = next } |
| |
| var defaultVars = new Var("this", new Var("arguments", null)) |
| function pushcontext() { |
| cx.state.context = new Context(cx.state.context, cx.state.localVars, false) |
| cx.state.localVars = defaultVars |
| } |
| function pushblockcontext() { |
| cx.state.context = new Context(cx.state.context, cx.state.localVars, true) |
| cx.state.localVars = null |
| } |
| function popcontext() { |
| cx.state.localVars = cx.state.context.vars |
| cx.state.context = cx.state.context.prev |
| } |
| popcontext.lex = true |
| function pushlex(type, info) { |
| var result = function() { |
| var state = cx.state, indent = state.indented; |
| if (state.lexical.type == "stat") indent = state.lexical.indented; |
| else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) |
| indent = outer.indented; |
| state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); |
| }; |
| result.lex = true; |
| return result; |
| } |
| function poplex() { |
| var state = cx.state; |
| if (state.lexical.prev) { |
| if (state.lexical.type == ")") |
| state.indented = state.lexical.indented; |
| state.lexical = state.lexical.prev; |
| } |
| } |
| poplex.lex = true; |
| |
| function expect(wanted) { |
| function exp(type) { |
| if (type == wanted) return cont(); |
| else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass(); |
| else return cont(exp); |
| }; |
| return exp; |
| } |
| |
| function statement(type, value) { |
| if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex); |
| if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex); |
| if (type == "keyword b") return cont(pushlex("form"), statement, poplex); |
| if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex); |
| if (type == "debugger") return cont(expect(";")); |
| if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext); |
| if (type == ";") return cont(); |
| if (type == "if") { |
| if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) |
| cx.state.cc.pop()(); |
| return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse); |
| } |
| if (type == "function") return cont(functiondef); |
| if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); |
| if (type == "class" || (isTS && value == "interface")) { |
| cx.marked = "keyword" |
| return cont(pushlex("form", type == "class" ? type : value), className, poplex) |
| } |
| if (type == "variable") { |
| if (isTS && value == "declare") { |
| cx.marked = "keyword" |
| return cont(statement) |
| } else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) { |
| cx.marked = "keyword" |
| if (value == "enum") return cont(enumdef); |
| else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";")); |
| else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex) |
| } else if (isTS && value == "namespace") { |
| cx.marked = "keyword" |
| return cont(pushlex("form"), expression, statement, poplex) |
| } else if (isTS && value == "abstract") { |
| cx.marked = "keyword" |
| return cont(statement) |
| } else { |
| return cont(pushlex("stat"), maybelabel); |
| } |
| } |
| if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext, |
| block, poplex, poplex, popcontext); |
| if (type == "case") return cont(expression, expect(":")); |
| if (type == "default") return cont(expect(":")); |
| if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext); |
| if (type == "export") return cont(pushlex("stat"), afterExport, poplex); |
| if (type == "import") return cont(pushlex("stat"), afterImport, poplex); |
| if (type == "async") return cont(statement) |
| if (value == "@") return cont(expression, statement) |
| return pass(pushlex("stat"), expression, expect(";"), poplex); |
| } |
| function maybeCatchBinding(type) { |
| if (type == "(") return cont(funarg, expect(")")) |
| } |
| function expression(type, value) { |
| return expressionInner(type, value, false); |
| } |
| function expressionNoComma(type, value) { |
| return expressionInner(type, value, true); |
| } |
| function parenExpr(type) { |
| if (type != "(") return pass() |
| return cont(pushlex(")"), expression, expect(")"), poplex) |
| } |
| function expressionInner(type, value, noComma) { |
| if (cx.state.fatArrowAt == cx.stream.start) { |
| var body = noComma ? arrowBodyNoComma : arrowBody; |
| if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext); |
| else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); |
| } |
| |
| var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; |
| if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); |
| if (type == "function") return cont(functiondef, maybeop); |
| if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); } |
| if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression); |
| if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop); |
| if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); |
| if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); |
| if (type == "{") return contCommasep(objprop, "}", null, maybeop); |
| if (type == "quasi") return pass(quasi, maybeop); |
| if (type == "new") return cont(maybeTarget(noComma)); |
| if (type == "import") return cont(expression); |
| return cont(); |
| } |
| function maybeexpression(type) { |
| if (type.match(/[;\}\)\],]/)) return pass(); |
| return pass(expression); |
| } |
| |
| function maybeoperatorComma(type, value) { |
| if (type == ",") return cont(expression); |
| return maybeoperatorNoComma(type, value, false); |
| } |
| function maybeoperatorNoComma(type, value, noComma) { |
| var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; |
| var expr = noComma == false ? expression : expressionNoComma; |
| if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); |
| if (type == "operator") { |
| if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me); |
| if (isTS && value == "<" && cx.stream.match(/^([^>]|<.*?>)*>\s*\(/, false)) |
| return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me); |
| if (value == "?") return cont(expression, expect(":"), expr); |
| return cont(expr); |
| } |
| if (type == "quasi") { return pass(quasi, me); } |
| if (type == ";") return; |
| if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); |
| if (type == ".") return cont(property, me); |
| if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); |
| if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) } |
| if (type == "regexp") { |
| cx.state.lastType = cx.marked = "operator" |
| cx.stream.backUp(cx.stream.pos - cx.stream.start - 1) |
| return cont(expr) |
| } |
| } |
| function quasi(type, value) { |
| if (type != "quasi") return pass(); |
| if (value.slice(value.length - 2) != "${") return cont(quasi); |
| return cont(expression, continueQuasi); |
| } |
| function continueQuasi(type) { |
| if (type == "}") { |
| cx.marked = "string-2"; |
| cx.state.tokenize = tokenQuasi; |
| return cont(quasi); |
| } |
| } |
| function arrowBody(type) { |
| findFatArrow(cx.stream, cx.state); |
| return pass(type == "{" ? statement : expression); |
| } |
| function arrowBodyNoComma(type) { |
| findFatArrow(cx.stream, cx.state); |
| return pass(type == "{" ? statement : expressionNoComma); |
| } |
| function maybeTarget(noComma) { |
| return function(type) { |
| if (type == ".") return cont(noComma ? targetNoComma : target); |
| else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma) |
| else return pass(noComma ? expressionNoComma : expression); |
| }; |
| } |
| function target(_, value) { |
| if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); } |
| } |
| function targetNoComma(_, value) { |
| if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); } |
| } |
| function maybelabel(type) { |
| if (type == ":") return cont(poplex, statement); |
| return pass(maybeoperatorComma, expect(";"), poplex); |
| } |
| function property(type) { |
| if (type == "variable") {cx.marked = "property"; return cont();} |
| } |
| function objprop(type, value) { |
| if (type == "async") { |
| cx.marked = "property"; |
| return cont(objprop); |
| } else if (type == "variable" || cx.style == "keyword") { |
| cx.marked = "property"; |
| if (value == "get" || value == "set") return cont(getterSetter); |
| var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params |
| if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false))) |
| cx.state.fatArrowAt = cx.stream.pos + m[0].length |
| return cont(afterprop); |
| } else if (type == "number" || type == "string") { |
| cx.marked = jsonldMode ? "property" : (cx.style + " property"); |
| return cont(afterprop); |
| } else if (type == "jsonld-keyword") { |
| return cont(afterprop); |
| } else if (isTS && isModifier(value)) { |
| cx.marked = "keyword" |
| return cont(objprop) |
| } else if (type == "[") { |
| return cont(expression, maybetype, expect("]"), afterprop); |
| } else if (type == "spread") { |
| return cont(expressionNoComma, afterprop); |
| } else if (value == "*") { |
| cx.marked = "keyword"; |
| return cont(objprop); |
| } else if (type == ":") { |
| return pass(afterprop) |
| } |
| } |
| function getterSetter(type) { |
| if (type != "variable") return pass(afterprop); |
| cx.marked = "property"; |
| return cont(functiondef); |
| } |
| function afterprop(type) { |
| if (type == ":") return cont(expressionNoComma); |
| if (type == "(") return pass(functiondef); |
| } |
| function commasep(what, end, sep) { |
| function proceed(type, value) { |
| if (sep ? sep.indexOf(type) > -1 : type == ",") { |
| var lex = cx.state.lexical; |
| if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; |
| return cont(function(type, value) { |
| if (type == end || value == end) return pass() |
| return pass(what) |
| }, proceed); |
| } |
| if (type == end || value == end) return cont(); |
| if (sep && sep.indexOf(";") > -1) return pass(what) |
| return cont(expect(end)); |
| } |
| return function(type, value) { |
| if (type == end || value == end) return cont(); |
| return pass(what, proceed); |
| }; |
| } |
| function contCommasep(what, end, info) { |
| for (var i = 3; i < arguments.length; i++) |
| cx.cc.push(arguments[i]); |
| return cont(pushlex(end, info), commasep(what, end), poplex); |
| } |
| function block(type) { |
| if (type == "}") return cont(); |
| return pass(statement, block); |
| } |
| function maybetype(type, value) { |
| if (isTS) { |
| if (type == ":") return cont(typeexpr); |
| if (value == "?") return cont(maybetype); |
| } |
| } |
| function maybetypeOrIn(type, value) { |
| if (isTS && (type == ":" || value == "in")) return cont(typeexpr) |
| } |
| function mayberettype(type) { |
| if (isTS && type == ":") { |
| if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr) |
| else return cont(typeexpr) |
| } |
| } |
| function isKW(_, value) { |
| if (value == "is") { |
| cx.marked = "keyword" |
| return cont() |
| } |
| } |
| function typeexpr(type, value) { |
| if (value == "keyof" || value == "typeof" || value == "infer") { |
| cx.marked = "keyword" |
| return cont(value == "typeof" ? expressionNoComma : typeexpr) |
| } |
| if (type == "variable" || value == "void") { |
| cx.marked = "type" |
| return cont(afterType) |
| } |
| if (value == "|" || value == "&") return cont(typeexpr) |
| if (type == "string" || type == "number" || type == "atom") return cont(afterType); |
| if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType) |
| if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType) |
| if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType) |
| if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr) |
| } |
| function maybeReturnType(type) { |
| if (type == "=>") return cont(typeexpr) |
| } |
| function typeprop(type, value) { |
| if (type == "variable" || cx.style == "keyword") { |
| cx.marked = "property" |
| return cont(typeprop) |
| } else if (value == "?" || type == "number" || type == "string") { |
| return cont(typeprop) |
| } else if (type == ":") { |
| return cont(typeexpr) |
| } else if (type == "[") { |
| return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop) |
| } else if (type == "(") { |
| return pass(functiondecl, typeprop) |
| } |
| } |
| function typearg(type, value) { |
| if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg) |
| if (type == ":") return cont(typeexpr) |
| if (type == "spread") return cont(typearg) |
| return pass(typeexpr) |
| } |
| function afterType(type, value) { |
| if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) |
| if (value == "|" || type == "." || value == "&") return cont(typeexpr) |
| if (type == "[") return cont(typeexpr, expect("]"), afterType) |
| if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) } |
| if (value == "?") return cont(typeexpr, expect(":"), typeexpr) |
| } |
| function maybeTypeArgs(_, value) { |
| if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType) |
| } |
| function typeparam() { |
| return pass(typeexpr, maybeTypeDefault) |
| } |
| function maybeTypeDefault(_, value) { |
| if (value == "=") return cont(typeexpr) |
| } |
| function vardef(_, value) { |
| if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)} |
| return pass(pattern, maybetype, maybeAssign, vardefCont); |
| } |
| function pattern(type, value) { |
| if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) } |
| if (type == "variable") { register(value); return cont(); } |
| if (type == "spread") return cont(pattern); |
| if (type == "[") return contCommasep(eltpattern, "]"); |
| if (type == "{") return contCommasep(proppattern, "}"); |
| } |
| function proppattern(type, value) { |
| if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { |
| register(value); |
| return cont(maybeAssign); |
| } |
| if (type == "variable") cx.marked = "property"; |
| if (type == "spread") return cont(pattern); |
| if (type == "}") return pass(); |
| if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern); |
| return cont(expect(":"), pattern, maybeAssign); |
| } |
| function eltpattern() { |
| return pass(pattern, maybeAssign) |
| } |
| function maybeAssign(_type, value) { |
| if (value == "=") return cont(expressionNoComma); |
| } |
| function vardefCont(type) { |
| if (type == ",") return cont(vardef); |
| } |
| function maybeelse(type, value) { |
| if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); |
| } |
| function forspec(type, value) { |
| if (value == "await") return cont(forspec); |
| if (type == "(") return cont(pushlex(")"), forspec1, poplex); |
| } |
| function forspec1(type) { |
| if (type == "var") return cont(vardef, forspec2); |
| if (type == "variable") return cont(forspec2); |
| return pass(forspec2) |
| } |
| function forspec2(type, value) { |
| if (type == ")") return cont() |
| if (type == ";") return cont(forspec2) |
| if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) } |
| return pass(expression, forspec2) |
| } |
| function functiondef(type, value) { |
| if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} |
| if (type == "variable") {register(value); return cont(functiondef);} |
| if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext); |
| if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef) |
| } |
| function functiondecl(type, value) { |
| if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);} |
| if (type == "variable") {register(value); return cont(functiondecl);} |
| if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext); |
| if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl) |
| } |
| function typename(type, value) { |
| if (type == "keyword" || type == "variable") { |
| cx.marked = "type" |
| return cont(typename) |
| } else if (value == "<") { |
| return cont(pushlex(">"), commasep(typeparam, ">"), poplex) |
| } |
| } |
| function funarg(type, value) { |
| if (value == "@") cont(expression, funarg) |
| if (type == "spread") return cont(funarg); |
| if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); } |
| if (isTS && type == "this") return cont(maybetype, maybeAssign) |
| return pass(pattern, maybetype, maybeAssign); |
| } |
| function classExpression(type, value) { |
| // Class expressions may have an optional name. |
| if (type == "variable") return className(type, value); |
| return classNameAfter(type, value); |
| } |
| function className(type, value) { |
| if (type == "variable") {register(value); return cont(classNameAfter);} |
| } |
| function classNameAfter(type, value) { |
| if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter) |
| if (value == "extends" || value == "implements" || (isTS && type == ",")) { |
| if (value == "implements") cx.marked = "keyword"; |
| return cont(isTS ? typeexpr : expression, classNameAfter); |
| } |
| if (type == "{") return cont(pushlex("}"), classBody, poplex); |
| } |
| function classBody(type, value) { |
| if (type == "async" || |
| (type == "variable" && |
| (value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) && |
| cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) { |
| cx.marked = "keyword"; |
| return cont(classBody); |
| } |
| if (type == "variable" || cx.style == "keyword") { |
| cx.marked = "property"; |
| return cont(isTS ? classfield : functiondef, classBody); |
| } |
| if (type == "number" || type == "string") return cont(isTS ? classfield : functiondef, classBody); |
| if (type == "[") |
| return cont(expression, maybetype, expect("]"), isTS ? classfield : functiondef, classBody) |
| if (value == "*") { |
| cx.marked = "keyword"; |
| return cont(classBody); |
| } |
| if (isTS && type == "(") return pass(functiondecl, classBody) |
| if (type == ";" || type == ",") return cont(classBody); |
| if (type == "}") return cont(); |
| if (value == "@") return cont(expression, classBody) |
| } |
| function classfield(type, value) { |
| if (value == "?") return cont(classfield) |
| if (type == ":") return cont(typeexpr, maybeAssign) |
| if (value == "=") return cont(expressionNoComma) |
| var context = cx.state.lexical.prev, isInterface = context && context.info == "interface" |
| return pass(isInterface ? functiondecl : functiondef) |
| } |
| function afterExport(type, value) { |
| if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } |
| if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } |
| if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";")); |
| return pass(statement); |
| } |
| function exportField(type, value) { |
| if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); } |
| if (type == "variable") return pass(expressionNoComma, exportField); |
| } |
| function afterImport(type) { |
| if (type == "string") return cont(); |
| if (type == "(") return pass(expression); |
| return pass(importSpec, maybeMoreImports, maybeFrom); |
| } |
| function importSpec(type, value) { |
| if (type == "{") return contCommasep(importSpec, "}"); |
| if (type == "variable") register(value); |
| if (value == "*") cx.marked = "keyword"; |
| return cont(maybeAs); |
| } |
| function maybeMoreImports(type) { |
| if (type == ",") return cont(importSpec, maybeMoreImports) |
| } |
| function maybeAs(_type, value) { |
| if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } |
| } |
| function maybeFrom(_type, value) { |
| if (value == "from") { cx.marked = "keyword"; return cont(expression); } |
| } |
| function arrayLiteral(type) { |
| if (type == "]") return cont(); |
| return pass(commasep(expressionNoComma, "]")); |
| } |
| function enumdef() { |
| return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex) |
| } |
| function enummember() { |
| return pass(pattern, maybeAssign); |
| } |
| |
| function isContinuedStatement(state, textAfter) { |
| return state.lastType == "operator" || state.lastType == "," || |
| isOperatorChar.test(textAfter.charAt(0)) || |
| /[,.]/.test(textAfter.charAt(0)); |
| } |
| |
| function expressionAllowed(stream, state, backUp) { |
| return state.tokenize == tokenBase && |
| /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) || |
| (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) |
| } |
| |
| // Interface |
| |
| return { |
| startState: function(basecolumn) { |
| var state = { |
| tokenize: tokenBase, |
| lastType: "sof", |
| cc: [], |
| lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), |
| localVars: parserConfig.localVars, |
| context: parserConfig.localVars && new Context(null, null, false), |
| indented: basecolumn || 0 |
| }; |
| if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") |
| state.globalVars = parserConfig.globalVars; |
| return state; |
| }, |
| |
| token: function(stream, state) { |
| if (stream.sol()) { |
| if (!state.lexical.hasOwnProperty("align")) |
| state.lexical.align = false; |
| state.indented = stream.indentation(); |
| findFatArrow(stream, state); |
| } |
| if (state.tokenize != tokenComment && stream.eatSpace()) return null; |
| var style = state.tokenize(stream, state); |
| if (type == "comment") return style; |
| state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type; |
| return parseJS(state, style, type, content, stream); |
| }, |
| |
| indent: function(state, textAfter) { |
| if (state.tokenize == tokenComment) return CodeMirror.Pass; |
| if (state.tokenize != tokenBase) return 0; |
| var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top |
| // Kludge to prevent 'maybelse' from blocking lexical scope pops |
| if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { |
| var c = state.cc[i]; |
| if (c == poplex) lexical = lexical.prev; |
| else if (c != maybeelse) break; |
| } |
| while ((lexical.type == "stat" || lexical.type == "form") && |
| (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) && |
| (top == maybeoperatorComma || top == maybeoperatorNoComma) && |
| !/^[,\.=+\-*:?[\(]/.test(textAfter)))) |
| lexical = lexical.prev; |
| if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") |
| lexical = lexical.prev; |
| var type = lexical.type, closing = firstChar == type; |
| |
| if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0); |
| else if (type == "form" && firstChar == "{") return lexical.indented; |
| else if (type == "form") return lexical.indented + indentUnit; |
| else if (type == "stat") |
| return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); |
| else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) |
| return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); |
| else if (lexical.align) return lexical.column + (closing ? 0 : 1); |
| else return lexical.indented + (closing ? 0 : indentUnit); |
| }, |
| |
| electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, |
| blockCommentStart: jsonMode ? null : "/*", |
| blockCommentEnd: jsonMode ? null : "*/", |
| blockCommentContinue: jsonMode ? null : " * ", |
| lineComment: jsonMode ? null : "//", |
| fold: "brace", |
| closeBrackets: "()[]{}''\"\"``", |
| |
| helperType: jsonMode ? "json" : "javascript", |
| jsonldMode: jsonldMode, |
| jsonMode: jsonMode, |
| |
| expressionAllowed: expressionAllowed, |
| |
| skipExpression: function(state) { |
| var top = state.cc[state.cc.length - 1] |
| if (top == expression || top == expressionNoComma) state.cc.pop() |
| } |
| }; |
| }); |
| |
| CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); |
| |
| CodeMirror.defineMIME("text/javascript", "javascript"); |
| CodeMirror.defineMIME("text/ecmascript", "javascript"); |
| CodeMirror.defineMIME("application/javascript", "javascript"); |
| CodeMirror.defineMIME("application/x-javascript", "javascript"); |
| CodeMirror.defineMIME("application/ecmascript", "javascript"); |
| CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); |
| CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); |
| CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); |
| CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); |
| CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); |
| |
| }); |
