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1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others | |
2 | // Distributed under an MIT license: http://codemirror.net/LICENSE | |
3 | ||
4 | // TODO actually recognize syntax of TypeScript constructs | |
5 | ||
6 | (function(mod) { | |
7 | if (typeof exports == "object" && typeof module == "object") // CommonJS | |
8 | mod(require("../../lib/codemirror")); | |
9 | else if (typeof define == "function" && define.amd) // AMD | |
10 | define(["../../lib/codemirror"], mod); | |
11 | else // Plain browser env | |
12 | mod(CodeMirror); | |
13 | })(function(CodeMirror) { | |
14 | "use strict"; | |
15 | ||
16 | CodeMirror.defineMode("javascript", function(config, parserConfig) { | |
17 | var indentUnit = config.indentUnit; | |
18 | var statementIndent = parserConfig.statementIndent; | |
19 | var jsonldMode = parserConfig.jsonld; | |
20 | var jsonMode = parserConfig.json || jsonldMode; | |
21 | var isTS = parserConfig.typescript; | |
22 | var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/; | |
23 | ||
24 | // Tokenizer | |
25 | ||
26 | var keywords = function(){ | |
27 | function kw(type) {return {type: type, style: "keyword"};} | |
28 | var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"); | |
29 | var operator = kw("operator"), atom = {type: "atom", style: "atom"}; | |
30 | ||
31 | var jsKeywords = { | |
32 | "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B, | |
33 | "return": C, "break": C, "continue": C, "new": C, "delete": C, "throw": C, "debugger": C, | |
34 | "var": kw("var"), "const": kw("var"), "let": kw("var"), | |
35 | "function": kw("function"), "catch": kw("catch"), | |
36 | "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"), | |
37 | "in": operator, "typeof": operator, "instanceof": operator, | |
38 | "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom, | |
39 | "this": kw("this"), "module": kw("module"), "class": kw("class"), "super": kw("atom"), | |
40 | "yield": C, "export": kw("export"), "import": kw("import"), "extends": C | |
41 | }; | |
42 | ||
43 | // Extend the 'normal' keywords with the TypeScript language extensions | |
44 | if (isTS) { | |
45 | var type = {type: "variable", style: "variable-3"}; | |
46 | var tsKeywords = { | |
47 | // object-like things | |
48 | "interface": kw("interface"), | |
49 | "extends": kw("extends"), | |
50 | "constructor": kw("constructor"), | |
51 | ||
52 | // scope modifiers | |
53 | "public": kw("public"), | |
54 | "private": kw("private"), | |
55 | "protected": kw("protected"), | |
56 | "static": kw("static"), | |
57 | ||
58 | // types | |
59 | "string": type, "number": type, "bool": type, "any": type | |
60 | }; | |
61 | ||
62 | for (var attr in tsKeywords) { | |
63 | jsKeywords[attr] = tsKeywords[attr]; | |
64 | } | |
65 | } | |
66 | ||
67 | return jsKeywords; | |
68 | }(); | |
69 | ||
70 | var isOperatorChar = /[+\-*&%=<>!?|~^]/; | |
71 | var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/; | |
72 | ||
73 | function readRegexp(stream) { | |
74 | var escaped = false, next, inSet = false; | |
75 | while ((next = stream.next()) != null) { | |
76 | if (!escaped) { | |
77 | if (next == "/" && !inSet) return; | |
78 | if (next == "[") inSet = true; | |
79 | else if (inSet && next == "]") inSet = false; | |
80 | } | |
81 | escaped = !escaped && next == "\\"; | |
82 | } | |
83 | } | |
84 | ||
85 | // Used as scratch variables to communicate multiple values without | |
86 | // consing up tons of objects. | |
87 | var type, content; | |
88 | function ret(tp, style, cont) { | |
89 | type = tp; content = cont; | |
90 | return style; | |
91 | } | |
92 | function tokenBase(stream, state) { | |
93 | var ch = stream.next(); | |
94 | if (ch == '"' || ch == "'") { | |
95 | state.tokenize = tokenString(ch); | |
96 | return state.tokenize(stream, state); | |
97 | } else if (ch == "." && stream.match(/^\d+(?:[eE][+\-]?\d+)?/)) { | |
98 | return ret("number", "number"); | |
99 | } else if (ch == "." && stream.match("..")) { | |
100 | return ret("spread", "meta"); | |
101 | } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) { | |
102 | return ret(ch); | |
103 | } else if (ch == "=" && stream.eat(">")) { | |
104 | return ret("=>", "operator"); | |
105 | } else if (ch == "0" && stream.eat(/x/i)) { | |
106 | stream.eatWhile(/[\da-f]/i); | |
107 | return ret("number", "number"); | |
108 | } else if (/\d/.test(ch)) { | |
109 | stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/); | |
110 | return ret("number", "number"); | |
111 | } else if (ch == "/") { | |
112 | if (stream.eat("*")) { | |
113 | state.tokenize = tokenComment; | |
114 | return tokenComment(stream, state); | |
115 | } else if (stream.eat("/")) { | |
116 | stream.skipToEnd(); | |
117 | return ret("comment", "comment"); | |
118 | } else if (state.lastType == "operator" || state.lastType == "keyword c" || | |
119 | state.lastType == "sof" || /^[\[{}\(,;:]$/.test(state.lastType)) { | |
120 | readRegexp(stream); | |
121 | stream.match(/^\b(([gimyu])(?![gimyu]*\2))+\b/); | |
122 | return ret("regexp", "string-2"); | |
123 | } else { | |
124 | stream.eatWhile(isOperatorChar); | |
125 | return ret("operator", "operator", stream.current()); | |
126 | } | |
127 | } else if (ch == "`") { | |
128 | state.tokenize = tokenQuasi; | |
129 | return tokenQuasi(stream, state); | |
130 | } else if (ch == "#") { | |
131 | stream.skipToEnd(); | |
132 | return ret("error", "error"); | |
133 | } else if (isOperatorChar.test(ch)) { | |
134 | stream.eatWhile(isOperatorChar); | |
135 | return ret("operator", "operator", stream.current()); | |
136 | } else if (wordRE.test(ch)) { | |
137 | stream.eatWhile(wordRE); | |
138 | var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word]; | |
139 | return (known && state.lastType != ".") ? ret(known.type, known.style, word) : | |
140 | ret("variable", "variable", word); | |
141 | } | |
142 | } | |
143 | ||
144 | function tokenString(quote) { | |
145 | return function(stream, state) { | |
146 | var escaped = false, next; | |
147 | if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){ | |
148 | state.tokenize = tokenBase; | |
149 | return ret("jsonld-keyword", "meta"); | |
150 | } | |
151 | while ((next = stream.next()) != null) { | |
152 | if (next == quote && !escaped) break; | |
153 | escaped = !escaped && next == "\\"; | |
154 | } | |
155 | if (!escaped) state.tokenize = tokenBase; | |
156 | return ret("string", "string"); | |
157 | }; | |
158 | } | |
159 | ||
160 | function tokenComment(stream, state) { | |
161 | var maybeEnd = false, ch; | |
162 | while (ch = stream.next()) { | |
163 | if (ch == "/" && maybeEnd) { | |
164 | state.tokenize = tokenBase; | |
165 | break; | |
166 | } | |
167 | maybeEnd = (ch == "*"); | |
168 | } | |
169 | return ret("comment", "comment"); | |
170 | } | |
171 | ||
172 | function tokenQuasi(stream, state) { | |
173 | var escaped = false, next; | |
174 | while ((next = stream.next()) != null) { | |
175 | if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) { | |
176 | state.tokenize = tokenBase; | |
177 | break; | |
178 | } | |
179 | escaped = !escaped && next == "\\"; | |
180 | } | |
181 | return ret("quasi", "string-2", stream.current()); | |
182 | } | |
183 | ||
184 | var brackets = "([{}])"; | |
185 | // This is a crude lookahead trick to try and notice that we're | |
186 | // parsing the argument patterns for a fat-arrow function before we | |
187 | // actually hit the arrow token. It only works if the arrow is on | |
188 | // the same line as the arguments and there's no strange noise | |
189 | // (comments) in between. Fallback is to only notice when we hit the | |
190 | // arrow, and not declare the arguments as locals for the arrow | |
191 | // body. | |
192 | function findFatArrow(stream, state) { | |
193 | if (state.fatArrowAt) state.fatArrowAt = null; | |
194 | var arrow = stream.string.indexOf("=>", stream.start); | |
195 | if (arrow < 0) return; | |
196 | ||
197 | var depth = 0, sawSomething = false; | |
198 | for (var pos = arrow - 1; pos >= 0; --pos) { | |
199 | var ch = stream.string.charAt(pos); | |
200 | var bracket = brackets.indexOf(ch); | |
201 | if (bracket >= 0 && bracket < 3) { | |
202 | if (!depth) { ++pos; break; } | |
203 | if (--depth == 0) break; | |
204 | } else if (bracket >= 3 && bracket < 6) { | |
205 | ++depth; | |
206 | } else if (wordRE.test(ch)) { | |
207 | sawSomething = true; | |
208 | } else if (/["'\/]/.test(ch)) { | |
209 | return; | |
210 | } else if (sawSomething && !depth) { | |
211 | ++pos; | |
212 | break; | |
213 | } | |
214 | } | |
215 | if (sawSomething && !depth) state.fatArrowAt = pos; | |
216 | } | |
217 | ||
218 | // Parser | |
219 | ||
220 | var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true}; | |
221 | ||
222 | function JSLexical(indented, column, type, align, prev, info) { | |
223 | this.indented = indented; | |
224 | this.column = column; | |
225 | this.type = type; | |
226 | this.prev = prev; | |
227 | this.info = info; | |
228 | if (align != null) this.align = align; | |
229 | } | |
230 | ||
231 | function inScope(state, varname) { | |
232 | for (var v = state.localVars; v; v = v.next) | |
233 | if (v.name == varname) return true; | |
234 | for (var cx = state.context; cx; cx = cx.prev) { | |
235 | for (var v = cx.vars; v; v = v.next) | |
236 | if (v.name == varname) return true; | |
237 | } | |
238 | } | |
239 | ||
240 | function parseJS(state, style, type, content, stream) { | |
241 | var cc = state.cc; | |
242 | // Communicate our context to the combinators. | |
243 | // (Less wasteful than consing up a hundred closures on every call.) | |
244 | cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style; | |
245 | ||
246 | if (!state.lexical.hasOwnProperty("align")) | |
247 | state.lexical.align = true; | |
248 | ||
249 | while(true) { | |
250 | var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement; | |
251 | if (combinator(type, content)) { | |
252 | while(cc.length && cc[cc.length - 1].lex) | |
253 | cc.pop()(); | |
254 | if (cx.marked) return cx.marked; | |
255 | if (type == "variable" && inScope(state, content)) return "variable-2"; | |
256 | return style; | |
257 | } | |
258 | } | |
259 | } | |
260 | ||
261 | // Combinator utils | |
262 | ||
263 | var cx = {state: null, column: null, marked: null, cc: null}; | |
264 | function pass() { | |
265 | for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]); | |
266 | } | |
267 | function cont() { | |
268 | pass.apply(null, arguments); | |
269 | return true; | |
270 | } | |
271 | function register(varname) { | |
272 | function inList(list) { | |
273 | for (var v = list; v; v = v.next) | |
274 | if (v.name == varname) return true; | |
275 | return false; | |
276 | } | |
277 | var state = cx.state; | |
278 | if (state.context) { | |
279 | cx.marked = "def"; | |
280 | if (inList(state.localVars)) return; | |
281 | state.localVars = {name: varname, next: state.localVars}; | |
282 | } else { | |
283 | if (inList(state.globalVars)) return; | |
284 | if (parserConfig.globalVars) | |
285 | state.globalVars = {name: varname, next: state.globalVars}; | |
286 | } | |
287 | } | |
288 | ||
289 | // Combinators | |
290 | ||
291 | var defaultVars = {name: "this", next: {name: "arguments"}}; | |
292 | function pushcontext() { | |
293 | cx.state.context = {prev: cx.state.context, vars: cx.state.localVars}; | |
294 | cx.state.localVars = defaultVars; | |
295 | } | |
296 | function popcontext() { | |
297 | cx.state.localVars = cx.state.context.vars; | |
298 | cx.state.context = cx.state.context.prev; | |
299 | } | |
300 | function pushlex(type, info) { | |
301 | var result = function() { | |
302 | var state = cx.state, indent = state.indented; | |
303 | if (state.lexical.type == "stat") indent = state.lexical.indented; | |
304 | else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev) | |
305 | indent = outer.indented; | |
306 | state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info); | |
307 | }; | |
308 | result.lex = true; | |
309 | return result; | |
310 | } | |
311 | function poplex() { | |
312 | var state = cx.state; | |
313 | if (state.lexical.prev) { | |
314 | if (state.lexical.type == ")") | |
315 | state.indented = state.lexical.indented; | |
316 | state.lexical = state.lexical.prev; | |
317 | } | |
318 | } | |
319 | poplex.lex = true; | |
320 | ||
321 | function expect(wanted) { | |
322 | function exp(type) { | |
323 | if (type == wanted) return cont(); | |
324 | else if (wanted == ";") return pass(); | |
325 | else return cont(exp); | |
326 | }; | |
327 | return exp; | |
328 | } | |
329 | ||
330 | function statement(type, value) { | |
331 | if (type == "var") return cont(pushlex("vardef", value.length), vardef, expect(";"), poplex); | |
332 | if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex); | |
333 | if (type == "keyword b") return cont(pushlex("form"), statement, poplex); | |
334 | if (type == "{") return cont(pushlex("}"), block, poplex); | |
335 | if (type == ";") return cont(); | |
336 | if (type == "if") { | |
337 | if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex) | |
338 | cx.state.cc.pop()(); | |
339 | return cont(pushlex("form"), expression, statement, poplex, maybeelse); | |
340 | } | |
341 | if (type == "function") return cont(functiondef); | |
342 | if (type == "for") return cont(pushlex("form"), forspec, statement, poplex); | |
343 | if (type == "variable") return cont(pushlex("stat"), maybelabel); | |
344 | if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"), | |
345 | block, poplex, poplex); | |
346 | if (type == "case") return cont(expression, expect(":")); | |
347 | if (type == "default") return cont(expect(":")); | |
348 | if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"), | |
349 | statement, poplex, popcontext); | |
350 | if (type == "module") return cont(pushlex("form"), pushcontext, afterModule, popcontext, poplex); | |
351 | if (type == "class") return cont(pushlex("form"), className, poplex); | |
352 | if (type == "export") return cont(pushlex("form"), afterExport, poplex); | |
353 | if (type == "import") return cont(pushlex("form"), afterImport, poplex); | |
354 | return pass(pushlex("stat"), expression, expect(";"), poplex); | |
355 | } | |
356 | function expression(type) { | |
357 | return expressionInner(type, false); | |
358 | } | |
359 | function expressionNoComma(type) { | |
360 | return expressionInner(type, true); | |
361 | } | |
362 | function expressionInner(type, noComma) { | |
363 | if (cx.state.fatArrowAt == cx.stream.start) { | |
364 | var body = noComma ? arrowBodyNoComma : arrowBody; | |
365 | if (type == "(") return cont(pushcontext, pushlex(")"), commasep(pattern, ")"), poplex, expect("=>"), body, popcontext); | |
366 | else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext); | |
367 | } | |
368 | ||
369 | var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma; | |
370 | if (atomicTypes.hasOwnProperty(type)) return cont(maybeop); | |
371 | if (type == "function") return cont(functiondef, maybeop); | |
372 | if (type == "keyword c") return cont(noComma ? maybeexpressionNoComma : maybeexpression); | |
373 | if (type == "(") return cont(pushlex(")"), maybeexpression, comprehension, expect(")"), poplex, maybeop); | |
374 | if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression); | |
375 | if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop); | |
376 | if (type == "{") return contCommasep(objprop, "}", null, maybeop); | |
377 | if (type == "quasi") { return pass(quasi, maybeop); } | |
378 | return cont(); | |
379 | } | |
380 | function maybeexpression(type) { | |
381 | if (type.match(/[;\}\)\],]/)) return pass(); | |
382 | return pass(expression); | |
383 | } | |
384 | function maybeexpressionNoComma(type) { | |
385 | if (type.match(/[;\}\)\],]/)) return pass(); | |
386 | return pass(expressionNoComma); | |
387 | } | |
388 | ||
389 | function maybeoperatorComma(type, value) { | |
390 | if (type == ",") return cont(expression); | |
391 | return maybeoperatorNoComma(type, value, false); | |
392 | } | |
393 | function maybeoperatorNoComma(type, value, noComma) { | |
394 | var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma; | |
395 | var expr = noComma == false ? expression : expressionNoComma; | |
396 | if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext); | |
397 | if (type == "operator") { | |
398 | if (/\+\+|--/.test(value)) return cont(me); | |
399 | if (value == "?") return cont(expression, expect(":"), expr); | |
400 | return cont(expr); | |
401 | } | |
402 | if (type == "quasi") { return pass(quasi, me); } | |
403 | if (type == ";") return; | |
404 | if (type == "(") return contCommasep(expressionNoComma, ")", "call", me); | |
405 | if (type == ".") return cont(property, me); | |
406 | if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me); | |
407 | } | |
408 | function quasi(type, value) { | |
409 | if (type != "quasi") return pass(); | |
410 | if (value.slice(value.length - 2) != "${") return cont(quasi); | |
411 | return cont(expression, continueQuasi); | |
412 | } | |
413 | function continueQuasi(type) { | |
414 | if (type == "}") { | |
415 | cx.marked = "string-2"; | |
416 | cx.state.tokenize = tokenQuasi; | |
417 | return cont(quasi); | |
418 | } | |
419 | } | |
420 | function arrowBody(type) { | |
421 | findFatArrow(cx.stream, cx.state); | |
422 | return pass(type == "{" ? statement : expression); | |
423 | } | |
424 | function arrowBodyNoComma(type) { | |
425 | findFatArrow(cx.stream, cx.state); | |
426 | return pass(type == "{" ? statement : expressionNoComma); | |
427 | } | |
428 | function maybelabel(type) { | |
429 | if (type == ":") return cont(poplex, statement); | |
430 | return pass(maybeoperatorComma, expect(";"), poplex); | |
431 | } | |
432 | function property(type) { | |
433 | if (type == "variable") {cx.marked = "property"; return cont();} | |
434 | } | |
435 | function objprop(type, value) { | |
436 | if (type == "variable" || cx.style == "keyword") { | |
437 | cx.marked = "property"; | |
438 | if (value == "get" || value == "set") return cont(getterSetter); | |
439 | return cont(afterprop); | |
440 | } else if (type == "number" || type == "string") { | |
441 | cx.marked = jsonldMode ? "property" : (cx.style + " property"); | |
442 | return cont(afterprop); | |
443 | } else if (type == "jsonld-keyword") { | |
444 | return cont(afterprop); | |
445 | } else if (type == "[") { | |
446 | return cont(expression, expect("]"), afterprop); | |
447 | } | |
448 | } | |
449 | function getterSetter(type) { | |
450 | if (type != "variable") return pass(afterprop); | |
451 | cx.marked = "property"; | |
452 | return cont(functiondef); | |
453 | } | |
454 | function afterprop(type) { | |
455 | if (type == ":") return cont(expressionNoComma); | |
456 | if (type == "(") return pass(functiondef); | |
457 | } | |
458 | function commasep(what, end) { | |
459 | function proceed(type) { | |
460 | if (type == ",") { | |
461 | var lex = cx.state.lexical; | |
462 | if (lex.info == "call") lex.pos = (lex.pos || 0) + 1; | |
463 | return cont(what, proceed); | |
464 | } | |
465 | if (type == end) return cont(); | |
466 | return cont(expect(end)); | |
467 | } | |
468 | return function(type) { | |
469 | if (type == end) return cont(); | |
470 | return pass(what, proceed); | |
471 | }; | |
472 | } | |
473 | function contCommasep(what, end, info) { | |
474 | for (var i = 3; i < arguments.length; i++) | |
475 | cx.cc.push(arguments[i]); | |
476 | return cont(pushlex(end, info), commasep(what, end), poplex); | |
477 | } | |
478 | function block(type) { | |
479 | if (type == "}") return cont(); | |
480 | return pass(statement, block); | |
481 | } | |
482 | function maybetype(type) { | |
483 | if (isTS && type == ":") return cont(typedef); | |
484 | } | |
485 | function typedef(type) { | |
486 | if (type == "variable"){cx.marked = "variable-3"; return cont();} | |
487 | } | |
488 | function vardef() { | |
489 | return pass(pattern, maybetype, maybeAssign, vardefCont); | |
490 | } | |
491 | function pattern(type, value) { | |
492 | if (type == "variable") { register(value); return cont(); } | |
493 | if (type == "[") return contCommasep(pattern, "]"); | |
494 | if (type == "{") return contCommasep(proppattern, "}"); | |
495 | } | |
496 | function proppattern(type, value) { | |
497 | if (type == "variable" && !cx.stream.match(/^\s*:/, false)) { | |
498 | register(value); | |
499 | return cont(maybeAssign); | |
500 | } | |
501 | if (type == "variable") cx.marked = "property"; | |
502 | return cont(expect(":"), pattern, maybeAssign); | |
503 | } | |
504 | function maybeAssign(_type, value) { | |
505 | if (value == "=") return cont(expressionNoComma); | |
506 | } | |
507 | function vardefCont(type) { | |
508 | if (type == ",") return cont(vardef); | |
509 | } | |
510 | function maybeelse(type, value) { | |
511 | if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex); | |
512 | } | |
513 | function forspec(type) { | |
514 | if (type == "(") return cont(pushlex(")"), forspec1, expect(")"), poplex); | |
515 | } | |
516 | function forspec1(type) { | |
517 | if (type == "var") return cont(vardef, expect(";"), forspec2); | |
518 | if (type == ";") return cont(forspec2); | |
519 | if (type == "variable") return cont(formaybeinof); | |
520 | return pass(expression, expect(";"), forspec2); | |
521 | } | |
522 | function formaybeinof(_type, value) { | |
523 | if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } | |
524 | return cont(maybeoperatorComma, forspec2); | |
525 | } | |
526 | function forspec2(type, value) { | |
527 | if (type == ";") return cont(forspec3); | |
528 | if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression); } | |
529 | return pass(expression, expect(";"), forspec3); | |
530 | } | |
531 | function forspec3(type) { | |
532 | if (type != ")") cont(expression); | |
533 | } | |
534 | function functiondef(type, value) { | |
535 | if (value == "*") {cx.marked = "keyword"; return cont(functiondef);} | |
536 | if (type == "variable") {register(value); return cont(functiondef);} | |
537 | if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, statement, popcontext); | |
538 | } | |
539 | function funarg(type) { | |
540 | if (type == "spread") return cont(funarg); | |
541 | return pass(pattern, maybetype); | |
542 | } | |
543 | function className(type, value) { | |
544 | if (type == "variable") {register(value); return cont(classNameAfter);} | |
545 | } | |
546 | function classNameAfter(type, value) { | |
547 | if (value == "extends") return cont(expression, classNameAfter); | |
548 | if (type == "{") return cont(pushlex("}"), classBody, poplex); | |
549 | } | |
550 | function classBody(type, value) { | |
551 | if (type == "variable" || cx.style == "keyword") { | |
552 | if (value == "static") { | |
553 | cx.marked = "keyword"; | |
554 | return cont(classBody); | |
555 | } | |
556 | cx.marked = "property"; | |
557 | if (value == "get" || value == "set") return cont(classGetterSetter, functiondef, classBody); | |
558 | return cont(functiondef, classBody); | |
559 | } | |
560 | if (value == "*") { | |
561 | cx.marked = "keyword"; | |
562 | return cont(classBody); | |
563 | } | |
564 | if (type == ";") return cont(classBody); | |
565 | if (type == "}") return cont(); | |
566 | } | |
567 | function classGetterSetter(type) { | |
568 | if (type != "variable") return pass(); | |
569 | cx.marked = "property"; | |
570 | return cont(); | |
571 | } | |
572 | function afterModule(type, value) { | |
573 | if (type == "string") return cont(statement); | |
574 | if (type == "variable") { register(value); return cont(maybeFrom); } | |
575 | } | |
576 | function afterExport(_type, value) { | |
577 | if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); } | |
578 | if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); } | |
579 | return pass(statement); | |
580 | } | |
581 | function afterImport(type) { | |
582 | if (type == "string") return cont(); | |
583 | return pass(importSpec, maybeFrom); | |
584 | } | |
585 | function importSpec(type, value) { | |
586 | if (type == "{") return contCommasep(importSpec, "}"); | |
587 | if (type == "variable") register(value); | |
588 | if (value == "*") cx.marked = "keyword"; | |
589 | return cont(maybeAs); | |
590 | } | |
591 | function maybeAs(_type, value) { | |
592 | if (value == "as") { cx.marked = "keyword"; return cont(importSpec); } | |
593 | } | |
594 | function maybeFrom(_type, value) { | |
595 | if (value == "from") { cx.marked = "keyword"; return cont(expression); } | |
596 | } | |
597 | function arrayLiteral(type) { | |
598 | if (type == "]") return cont(); | |
599 | return pass(expressionNoComma, maybeArrayComprehension); | |
600 | } | |
601 | function maybeArrayComprehension(type) { | |
602 | if (type == "for") return pass(comprehension, expect("]")); | |
603 | if (type == ",") return cont(commasep(maybeexpressionNoComma, "]")); | |
604 | return pass(commasep(expressionNoComma, "]")); | |
605 | } | |
606 | function comprehension(type) { | |
607 | if (type == "for") return cont(forspec, comprehension); | |
608 | if (type == "if") return cont(expression, comprehension); | |
609 | } | |
610 | ||
611 | function isContinuedStatement(state, textAfter) { | |
612 | return state.lastType == "operator" || state.lastType == "," || | |
613 | isOperatorChar.test(textAfter.charAt(0)) || | |
614 | /[,.]/.test(textAfter.charAt(0)); | |
615 | } | |
616 | ||
617 | // Interface | |
618 | ||
619 | return { | |
620 | startState: function(basecolumn) { | |
621 | var state = { | |
622 | tokenize: tokenBase, | |
623 | lastType: "sof", | |
624 | cc: [], | |
625 | lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false), | |
626 | localVars: parserConfig.localVars, | |
627 | context: parserConfig.localVars && {vars: parserConfig.localVars}, | |
628 | indented: 0 | |
629 | }; | |
630 | if (parserConfig.globalVars && typeof parserConfig.globalVars == "object") | |
631 | state.globalVars = parserConfig.globalVars; | |
632 | return state; | |
633 | }, | |
634 | ||
635 | token: function(stream, state) { | |
636 | if (stream.sol()) { | |
637 | if (!state.lexical.hasOwnProperty("align")) | |
638 | state.lexical.align = false; | |
639 | state.indented = stream.indentation(); | |
640 | findFatArrow(stream, state); | |
641 | } | |
642 | if (state.tokenize != tokenComment && stream.eatSpace()) return null; | |
643 | var style = state.tokenize(stream, state); | |
644 | if (type == "comment") return style; | |
645 | state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type; | |
646 | return parseJS(state, style, type, content, stream); | |
647 | }, | |
648 | ||
649 | indent: function(state, textAfter) { | |
650 | if (state.tokenize == tokenComment) return CodeMirror.Pass; | |
651 | if (state.tokenize != tokenBase) return 0; | |
652 | var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical; | |
653 | // Kludge to prevent 'maybelse' from blocking lexical scope pops | |
654 | if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) { | |
655 | var c = state.cc[i]; | |
656 | if (c == poplex) lexical = lexical.prev; | |
657 | else if (c != maybeelse) break; | |
658 | } | |
659 | if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev; | |
660 | if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat") | |
661 | lexical = lexical.prev; | |
662 | var type = lexical.type, closing = firstChar == type; | |
663 | ||
664 | if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info + 1 : 0); | |
665 | else if (type == "form" && firstChar == "{") return lexical.indented; | |
666 | else if (type == "form") return lexical.indented + indentUnit; | |
667 | else if (type == "stat") | |
668 | return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0); | |
669 | else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false) | |
670 | return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit); | |
671 | else if (lexical.align) return lexical.column + (closing ? 0 : 1); | |
672 | else return lexical.indented + (closing ? 0 : indentUnit); | |
673 | }, | |
674 | ||
675 | electricInput: /^\s*(?:case .*?:|default:|\{|\})$/, | |
676 | blockCommentStart: jsonMode ? null : "/*", | |
677 | blockCommentEnd: jsonMode ? null : "*/", | |
678 | lineComment: jsonMode ? null : "//", | |
679 | fold: "brace", | |
680 | closeBrackets: "()[]{}''\"\"``", | |
681 | ||
682 | helperType: jsonMode ? "json" : "javascript", | |
683 | jsonldMode: jsonldMode, | |
684 | jsonMode: jsonMode | |
685 | }; | |
686 | }); | |
687 | ||
688 | CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/); | |
689 | ||
690 | CodeMirror.defineMIME("text/javascript", "javascript"); | |
691 | CodeMirror.defineMIME("text/ecmascript", "javascript"); | |
692 | CodeMirror.defineMIME("application/javascript", "javascript"); | |
693 | CodeMirror.defineMIME("application/x-javascript", "javascript"); | |
694 | CodeMirror.defineMIME("application/ecmascript", "javascript"); | |
695 | CodeMirror.defineMIME("application/json", {name: "javascript", json: true}); | |
696 | CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true}); | |
697 | CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true}); | |
698 | CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true }); | |
699 | CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true }); | |
700 | ||
701 | }); |