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javascript.js
742 lines
| 27.4 KiB
| application/javascript
|
JavascriptLexer
r1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |||
// Distributed under an MIT license: http://codemirror.net/LICENSE | ||||
// TODO actually recognize syntax of TypeScript constructs | ||||
(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"; | ||||
r346 | function expressionAllowed(stream, state, backUp) { | |||
return /^(?:operator|sof|keyword c|case|new|[\[{}\(,;:]|=>)$/.test(state.lastType) || | ||||
(state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0)))) | ||||
} | ||||
r1 | 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"); | ||||
var operator = kw("operator"), atom = {type: "atom", style: "atom"}; | ||||
var jsKeywords = { | ||||
"if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, | ||||
r346 | "return": C, "break": C, "continue": C, "new": kw("new"), "delete": C, "throw": C, "debugger": C, | |||
r1 | "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, | ||||
r346 | "this": kw("this"), "class": kw("class"), "super": kw("atom"), | |||
r1 | "yield": C, "export": kw("export"), "import": kw("import"), "extends": C | |||
}; | ||||
// Extend the 'normal' keywords with the TypeScript language extensions | ||||
if (isTS) { | ||||
var type = {type: "variable", style: "variable-3"}; | ||||
var tsKeywords = { | ||||
// object-like things | ||||
r346 | "interface": kw("class"), | |||
"implements": C, | ||||
"namespace": C, | ||||
"module": kw("module"), | ||||
"enum": kw("module"), | ||||
r1 | ||||
// scope modifiers | ||||
r346 | "public": kw("modifier"), | |||
"private": kw("modifier"), | ||||
"protected": kw("modifier"), | ||||
"abstract": kw("modifier"), | ||||
// operators | ||||
"as": operator, | ||||
r1 | ||||
// types | ||||
r346 | "string": type, "number": type, "boolean": type, "any": type | |||
r1 | }; | |||
for (var attr in tsKeywords) { | ||||
jsKeywords[attr] = tsKeywords[attr]; | ||||
} | ||||
} | ||||
return jsKeywords; | ||||
}(); | ||||
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+(?:[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.eat(/x/i)) { | ||||
stream.eatWhile(/[\da-f]/i); | ||||
return ret("number", "number"); | ||||
r346 | } else if (ch == "0" && stream.eat(/o/i)) { | |||
stream.eatWhile(/[0-7]/i); | ||||
return ret("number", "number"); | ||||
} else if (ch == "0" && stream.eat(/b/i)) { | ||||
stream.eatWhile(/[01]/i); | ||||
return ret("number", "number"); | ||||
r1 | } else if (/\d/.test(ch)) { | |||
stream.match(/^\d*(?:\.\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"); | ||||
r346 | } else if (expressionAllowed(stream, state, 1)) { | |||
r1 | readRegexp(stream); | |||
stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/); | ||||
return ret("regexp", "string-2"); | ||||
} else { | ||||
stream.eatWhile(isOperatorChar); | ||||
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)) { | ||||
stream.eatWhile(isOperatorChar); | ||||
return ret("operator", "operator", stream.current()); | ||||
} else if (wordRE.test(ch)) { | ||||
stream.eatWhile(wordRE); | ||||
var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; | ||||
return (known && state.lastType != ".") ? ret(known.type, known.style, word) : | ||||
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; | ||||
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) break; | ||||
} else if (bracket >= 3 && bracket < 6) { | ||||
++depth; | ||||
} else if (wordRE.test(ch)) { | ||||
sawSomething = true; | ||||
} else if (/["'\/]/.test(ch)) { | ||||
return; | ||||
} 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 register(varname) { | ||||
function inList(list) { | ||||
for (var v = list; v; v = v.next) | ||||
if (v.name == varname) return true; | ||||
return false; | ||||
} | ||||
var state = cx.state; | ||||
r346 | cx.marked = "def"; | |||
r1 | if (state.context) { | |||
if (inList(state.localVars)) return; | ||||
state.localVars = {name: varname, next: state.localVars}; | ||||
} else { | ||||
if (inList(state.globalVars)) return; | ||||
if (parserConfig.globalVars) | ||||
state.globalVars = {name: varname, next: state.globalVars}; | ||||
} | ||||
} | ||||
// Combinators | ||||
var defaultVars = {name: "this", next: {name: "arguments"}}; | ||||
function pushcontext() { | ||||
cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; | ||||
cx.state.localVars = defaultVars; | ||||
} | ||||
function popcontext() { | ||||
cx.state.localVars = cx.state.context.vars; | ||||
cx.state.context = cx.state.context.prev; | ||||
} | ||||
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 == ";") return pass(); | ||||
else return cont(exp); | ||||
}; | ||||
return exp; | ||||
} | ||||
function statement(type, value) { | ||||
if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex); | ||||
if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); | ||||
if (type == "keyword b") return cont(pushlex("form"), statement, poplex); | ||||
if (type == "{") return cont(pushlex("}"), block, poplex); | ||||
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"), expression, statement, poplex, maybeelse); | ||||
} | ||||
if (type == "function") return cont(functiondef); | ||||
if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); | ||||
if (type == "variable") return cont(pushlex("stat"), maybelabel); | ||||
if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), | ||||
block, poplex, poplex); | ||||
if (type == "case") return cont(expression, expect(":")); | ||||
if (type == "default") return cont(expect(":")); | ||||
if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), | ||||
statement, poplex, popcontext); | ||||
if (type == "class") return cont(pushlex("form"), className, poplex); | ||||
r346 | if (type == "export") return cont(pushlex("stat"), afterExport, poplex); | |||
if (type == "import") return cont(pushlex("stat"), afterImport, poplex); | ||||
if (type == "module") return cont(pushlex("form"), pattern, pushlex("}"), expect("{"), block, poplex, poplex) | ||||
r1 | return pass(pushlex("stat"), expression, expect(";"), poplex); | |||
} | ||||
function expression(type) { | ||||
return expressionInner(type, false); | ||||
} | ||||
function expressionNoComma(type) { | ||||
return expressionInner(type, true); | ||||
} | ||||
function expressionInner(type, noComma) { | ||||
if (cx.state.fatArrowAt == cx.stream.start) { | ||||
var body = noComma ? arrowBodyNoComma : arrowBody; | ||||
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), 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 == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression); | ||||
if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, 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); | ||||
r346 | if (type == "quasi") return pass(quasi, maybeop); | |||
if (type == "new") return cont(maybeTarget(noComma)); | ||||
r1 | return cont(); | |||
} | ||||
function maybeexpression(type) { | ||||
if (type.match(/[;\}\)\],]/)) return pass(); | ||||
return pass(expression); | ||||
} | ||||
function maybeexpressionNoComma(type) { | ||||
if (type.match(/[;\}\)\],]/)) return pass(); | ||||
return pass(expressionNoComma); | ||||
} | ||||
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)) return cont(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); | ||||
} | ||||
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); | ||||
} | ||||
r346 | function maybeTarget(noComma) { | |||
return function(type) { | ||||
if (type == ".") return cont(noComma ? targetNoComma : target); | ||||
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); } | ||||
} | ||||
r1 | 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 == "variable" || cx.style == "keyword") { | ||||
cx.marked = "property"; | ||||
if (value == "get" || value == "set") return cont(getterSetter); | ||||
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); | ||||
r346 | } else if (type == "modifier") { | |||
return cont(objprop) | ||||
r1 | } else if (type == "[") { | |||
return cont(expression, expect("]"), afterprop); | ||||
r346 | } else if (type == "spread") { | |||
return cont(expression); | ||||
r1 | } | |||
} | ||||
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) { | ||||
function proceed(type) { | ||||
if (type == ",") { | ||||
var lex = cx.state.lexical; | ||||
if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; | ||||
return cont(what, proceed); | ||||
} | ||||
if (type == end) return cont(); | ||||
return cont(expect(end)); | ||||
} | ||||
return function(type) { | ||||
if (type == 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) { | ||||
if (isTS && type == ":") return cont(typedef); | ||||
} | ||||
function maybedefault(_, value) { | ||||
if (value == "=") return cont(expressionNoComma); | ||||
} | ||||
function typedef(type) { | ||||
if (type == "variable") {cx.marked = "variable-3"; return cont();} | ||||
} | ||||
function vardef() { | ||||
return pass(pattern, maybetype, maybeAssign, vardefCont); | ||||
} | ||||
function pattern(type, value) { | ||||
r346 | if (type == "modifier") return cont(pattern) | |||
r1 | if (type == "variable") { register(value); return cont(); } | |||
r346 | if (type == "spread") return cont(pattern); | |||
r1 | if (type == "[") return contCommasep(pattern, "]"); | |||
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"; | ||||
r346 | if (type == "spread") return cont(pattern); | |||
if (type == "}") return pass(); | ||||
r1 | return cont(expect(":"), 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) { | ||||
if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex); | ||||
} | ||||
function forspec1(type) { | ||||
if (type == "var") return cont(vardef, expect(";"), forspec2); | ||||
if (type == ";") return cont(forspec2); | ||||
if (type == "variable") return cont(formaybeinof); | ||||
return pass(expression, expect(";"), forspec2); | ||||
} | ||||
function formaybeinof(_type, value) { | ||||
if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } | ||||
return cont(maybeoperatorComma, forspec2); | ||||
} | ||||
function forspec2(type, value) { | ||||
if (type == ";") return cont(forspec3); | ||||
if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } | ||||
return pass(expression, expect(";"), forspec3); | ||||
} | ||||
function forspec3(type) { | ||||
if (type != ")") cont(expression); | ||||
} | ||||
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, statement, popcontext); | ||||
} | ||||
function funarg(type) { | ||||
if (type == "spread") return cont(funarg); | ||||
return pass(pattern, maybetype, maybedefault); | ||||
} | ||||
function className(type, value) { | ||||
if (type == "variable") {register(value); return cont(classNameAfter);} | ||||
} | ||||
function classNameAfter(type, value) { | ||||
if (value == "extends") return cont(expression, classNameAfter); | ||||
if (type == "{") return cont(pushlex("}"), classBody, poplex); | ||||
} | ||||
function classBody(type, value) { | ||||
if (type == "variable" || cx.style == "keyword") { | ||||
if (value == "static") { | ||||
cx.marked = "keyword"; | ||||
return cont(classBody); | ||||
} | ||||
cx.marked = "property"; | ||||
if (value == "get" || value == "set") return cont(classGetterSetter, functiondef, classBody); | ||||
return cont(functiondef, classBody); | ||||
} | ||||
if (value == "*") { | ||||
cx.marked = "keyword"; | ||||
return cont(classBody); | ||||
} | ||||
if (type == ";") return cont(classBody); | ||||
if (type == "}") return cont(); | ||||
} | ||||
function classGetterSetter(type) { | ||||
if (type != "variable") return pass(); | ||||
cx.marked = "property"; | ||||
return cont(); | ||||
} | ||||
function afterExport(_type, value) { | ||||
if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } | ||||
if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } | ||||
return pass(statement); | ||||
} | ||||
function afterImport(type) { | ||||
if (type == "string") return cont(); | ||||
return pass(importSpec, maybeFrom); | ||||
} | ||||
function importSpec(type, value) { | ||||
if (type == "{") return contCommasep(importSpec, "}"); | ||||
if (type == "variable") register(value); | ||||
if (value == "*") cx.marked = "keyword"; | ||||
return cont(maybeAs); | ||||
} | ||||
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(expressionNoComma, maybeArrayComprehension); | ||||
} | ||||
function maybeArrayComprehension(type) { | ||||
if (type == "for") return pass(comprehension, expect("]")); | ||||
if (type == ",") return cont(commasep(maybeexpressionNoComma, "]")); | ||||
return pass(commasep(expressionNoComma, "]")); | ||||
} | ||||
function comprehension(type) { | ||||
if (type == "for") return cont(forspec, comprehension); | ||||
if (type == "if") return cont(expression, comprehension); | ||||
} | ||||
function isContinuedStatement(state, textAfter) { | ||||
return state.lastType == "operator" || state.lastType == "," || | ||||
isOperatorChar.test(textAfter.charAt(0)) || | ||||
/[,.]/.test(textAfter.charAt(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 && {vars: parserConfig.localVars}, | ||||
r346 | indented: basecolumn || 0 | |||
r1 | }; | |||
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; | ||||
// 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; | ||||
} | ||||
if (lexical.type == "stat" && firstChar == "}") 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 + 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 : "*/", | ||||
lineComment: jsonMode ? null : "//", | ||||
fold: "brace", | ||||
closeBrackets: "()[]{}''\"\"``", | ||||
helperType: jsonMode ? "json" : "javascript", | ||||
jsonldMode: jsonldMode, | ||||
r346 | jsonMode: jsonMode, | |||
expressionAllowed: expressionAllowed, | ||||
skipExpression: function(state) { | ||||
var top = state.cc[state.cc.length - 1] | ||||
if (top == expression || top == expressionNoComma) state.cc.pop() | ||||
} | ||||
r1 | }; | |||
}); | ||||
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 }); | ||||
}); | ||||