scripts/CodeMirror/mode/haxe/haxe.js (view raw)
1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/LICENSE
3
4(function(mod) {
5 if (typeof exports == "object" && typeof module == "object") // CommonJS
6 mod(require("../../lib/codemirror"));
7 else if (typeof define == "function" && define.amd) // AMD
8 define(["../../lib/codemirror"], mod);
9 else // Plain browser env
10 mod(CodeMirror);
11})(function(CodeMirror) {
12"use strict";
13
14CodeMirror.defineMode("haxe", function(config, parserConfig) {
15 var indentUnit = config.indentUnit;
16
17 // Tokenizer
18
19 function kw(type) {return {type: type, style: "keyword"};}
20 var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
21 var operator = kw("operator"), atom = {type: "atom", style: "atom"}, attribute = {type:"attribute", style: "attribute"};
22 var type = kw("typedef");
23 var keywords = {
24 "if": A, "while": A, "else": B, "do": B, "try": B,
25 "return": C, "break": C, "continue": C, "new": C, "throw": C,
26 "var": kw("var"), "inline":attribute, "static": attribute, "using":kw("import"),
27 "public": attribute, "private": attribute, "cast": kw("cast"), "import": kw("import"), "macro": kw("macro"),
28 "function": kw("function"), "catch": kw("catch"), "untyped": kw("untyped"), "callback": kw("cb"),
29 "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
30 "in": operator, "never": kw("property_access"), "trace":kw("trace"),
31 "class": type, "abstract":type, "enum":type, "interface":type, "typedef":type, "extends":type, "implements":type, "dynamic":type,
32 "true": atom, "false": atom, "null": atom
33 };
34
35 var isOperatorChar = /[+\-*&%=<>!?|]/;
36
37 function chain(stream, state, f) {
38 state.tokenize = f;
39 return f(stream, state);
40 }
41
42 function toUnescaped(stream, end) {
43 var escaped = false, next;
44 while ((next = stream.next()) != null) {
45 if (next == end && !escaped)
46 return true;
47 escaped = !escaped && next == "\\";
48 }
49 }
50
51 // Used as scratch variables to communicate multiple values without
52 // consing up tons of objects.
53 var type, content;
54 function ret(tp, style, cont) {
55 type = tp; content = cont;
56 return style;
57 }
58
59 function haxeTokenBase(stream, state) {
60 var ch = stream.next();
61 if (ch == '"' || ch == "'") {
62 return chain(stream, state, haxeTokenString(ch));
63 } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
64 return ret(ch);
65 } else if (ch == "0" && stream.eat(/x/i)) {
66 stream.eatWhile(/[\da-f]/i);
67 return ret("number", "number");
68 } else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) {
69 stream.match(/^\d*(?:\.\d*(?!\.))?(?:[eE][+\-]?\d+)?/);
70 return ret("number", "number");
71 } else if (state.reAllowed && (ch == "~" && stream.eat(/\//))) {
72 toUnescaped(stream, "/");
73 stream.eatWhile(/[gimsu]/);
74 return ret("regexp", "string-2");
75 } else if (ch == "/") {
76 if (stream.eat("*")) {
77 return chain(stream, state, haxeTokenComment);
78 } else if (stream.eat("/")) {
79 stream.skipToEnd();
80 return ret("comment", "comment");
81 } else {
82 stream.eatWhile(isOperatorChar);
83 return ret("operator", null, stream.current());
84 }
85 } else if (ch == "#") {
86 stream.skipToEnd();
87 return ret("conditional", "meta");
88 } else if (ch == "@") {
89 stream.eat(/:/);
90 stream.eatWhile(/[\w_]/);
91 return ret ("metadata", "meta");
92 } else if (isOperatorChar.test(ch)) {
93 stream.eatWhile(isOperatorChar);
94 return ret("operator", null, stream.current());
95 } else {
96 var word;
97 if(/[A-Z]/.test(ch)) {
98 stream.eatWhile(/[\w_<>]/);
99 word = stream.current();
100 return ret("type", "variable-3", word);
101 } else {
102 stream.eatWhile(/[\w_]/);
103 var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
104 return (known && state.kwAllowed) ? ret(known.type, known.style, word) :
105 ret("variable", "variable", word);
106 }
107 }
108 }
109
110 function haxeTokenString(quote) {
111 return function(stream, state) {
112 if (toUnescaped(stream, quote))
113 state.tokenize = haxeTokenBase;
114 return ret("string", "string");
115 };
116 }
117
118 function haxeTokenComment(stream, state) {
119 var maybeEnd = false, ch;
120 while (ch = stream.next()) {
121 if (ch == "/" && maybeEnd) {
122 state.tokenize = haxeTokenBase;
123 break;
124 }
125 maybeEnd = (ch == "*");
126 }
127 return ret("comment", "comment");
128 }
129
130 // Parser
131
132 var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};
133
134 function HaxeLexical(indented, column, type, align, prev, info) {
135 this.indented = indented;
136 this.column = column;
137 this.type = type;
138 this.prev = prev;
139 this.info = info;
140 if (align != null) this.align = align;
141 }
142
143 function inScope(state, varname) {
144 for (var v = state.localVars; v; v = v.next)
145 if (v.name == varname) return true;
146 }
147
148 function parseHaxe(state, style, type, content, stream) {
149 var cc = state.cc;
150 // Communicate our context to the combinators.
151 // (Less wasteful than consing up a hundred closures on every call.)
152 cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
153
154 if (!state.lexical.hasOwnProperty("align"))
155 state.lexical.align = true;
156
157 while(true) {
158 var combinator = cc.length ? cc.pop() : statement;
159 if (combinator(type, content)) {
160 while(cc.length && cc[cc.length - 1].lex)
161 cc.pop()();
162 if (cx.marked) return cx.marked;
163 if (type == "variable" && inScope(state, content)) return "variable-2";
164 if (type == "variable" && imported(state, content)) return "variable-3";
165 return style;
166 }
167 }
168 }
169
170 function imported(state, typename) {
171 if (/[a-z]/.test(typename.charAt(0)))
172 return false;
173 var len = state.importedtypes.length;
174 for (var i = 0; i<len; i++)
175 if(state.importedtypes[i]==typename) return true;
176 }
177
178 function registerimport(importname) {
179 var state = cx.state;
180 for (var t = state.importedtypes; t; t = t.next)
181 if(t.name == importname) return;
182 state.importedtypes = { name: importname, next: state.importedtypes };
183 }
184 // Combinator utils
185
186 var cx = {state: null, column: null, marked: null, cc: null};
187 function pass() {
188 for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
189 }
190 function cont() {
191 pass.apply(null, arguments);
192 return true;
193 }
194 function inList(name, list) {
195 for (var v = list; v; v = v.next)
196 if (v.name == name) return true;
197 return false;
198 }
199 function register(varname) {
200 var state = cx.state;
201 if (state.context) {
202 cx.marked = "def";
203 if (inList(varname, state.localVars)) return;
204 state.localVars = {name: varname, next: state.localVars};
205 } else if (state.globalVars) {
206 if (inList(varname, state.globalVars)) return;
207 state.globalVars = {name: varname, next: state.globalVars};
208 }
209 }
210
211 // Combinators
212
213 var defaultVars = {name: "this", next: null};
214 function pushcontext() {
215 if (!cx.state.context) cx.state.localVars = defaultVars;
216 cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
217 }
218 function popcontext() {
219 cx.state.localVars = cx.state.context.vars;
220 cx.state.context = cx.state.context.prev;
221 }
222 popcontext.lex = true;
223 function pushlex(type, info) {
224 var result = function() {
225 var state = cx.state;
226 state.lexical = new HaxeLexical(state.indented, cx.stream.column(), type, null, state.lexical, info);
227 };
228 result.lex = true;
229 return result;
230 }
231 function poplex() {
232 var state = cx.state;
233 if (state.lexical.prev) {
234 if (state.lexical.type == ")")
235 state.indented = state.lexical.indented;
236 state.lexical = state.lexical.prev;
237 }
238 }
239 poplex.lex = true;
240
241 function expect(wanted) {
242 function f(type) {
243 if (type == wanted) return cont();
244 else if (wanted == ";") return pass();
245 else return cont(f);
246 }
247 return f;
248 }
249
250 function statement(type) {
251 if (type == "@") return cont(metadef);
252 if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);
253 if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
254 if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
255 if (type == "{") return cont(pushlex("}"), pushcontext, block, poplex, popcontext);
256 if (type == ";") return cont();
257 if (type == "attribute") return cont(maybeattribute);
258 if (type == "function") return cont(functiondef);
259 if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),
260 poplex, statement, poplex);
261 if (type == "variable") return cont(pushlex("stat"), maybelabel);
262 if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
263 block, poplex, poplex);
264 if (type == "case") return cont(expression, expect(":"));
265 if (type == "default") return cont(expect(":"));
266 if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
267 statement, poplex, popcontext);
268 if (type == "import") return cont(importdef, expect(";"));
269 if (type == "typedef") return cont(typedef);
270 return pass(pushlex("stat"), expression, expect(";"), poplex);
271 }
272 function expression(type) {
273 if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);
274 if (type == "type" ) return cont(maybeoperator);
275 if (type == "function") return cont(functiondef);
276 if (type == "keyword c") return cont(maybeexpression);
277 if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator);
278 if (type == "operator") return cont(expression);
279 if (type == "[") return cont(pushlex("]"), commasep(maybeexpression, "]"), poplex, maybeoperator);
280 if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);
281 return cont();
282 }
283 function maybeexpression(type) {
284 if (type.match(/[;\}\)\],]/)) return pass();
285 return pass(expression);
286 }
287
288 function maybeoperator(type, value) {
289 if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator);
290 if (type == "operator" || type == ":") return cont(expression);
291 if (type == ";") return;
292 if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);
293 if (type == ".") return cont(property, maybeoperator);
294 if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
295 }
296
297 function maybeattribute(type) {
298 if (type == "attribute") return cont(maybeattribute);
299 if (type == "function") return cont(functiondef);
300 if (type == "var") return cont(vardef1);
301 }
302
303 function metadef(type) {
304 if(type == ":") return cont(metadef);
305 if(type == "variable") return cont(metadef);
306 if(type == "(") return cont(pushlex(")"), commasep(metaargs, ")"), poplex, statement);
307 }
308 function metaargs(type) {
309 if(type == "variable") return cont();
310 }
311
312 function importdef (type, value) {
313 if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }
314 else if(type == "variable" || type == "property" || type == "." || value == "*") return cont(importdef);
315 }
316
317 function typedef (type, value)
318 {
319 if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }
320 else if (type == "type" && /[A-Z]/.test(value.charAt(0))) { return cont(); }
321 }
322
323 function maybelabel(type) {
324 if (type == ":") return cont(poplex, statement);
325 return pass(maybeoperator, expect(";"), poplex);
326 }
327 function property(type) {
328 if (type == "variable") {cx.marked = "property"; return cont();}
329 }
330 function objprop(type) {
331 if (type == "variable") cx.marked = "property";
332 if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);
333 }
334 function commasep(what, end) {
335 function proceed(type) {
336 if (type == ",") return cont(what, proceed);
337 if (type == end) return cont();
338 return cont(expect(end));
339 }
340 return function(type) {
341 if (type == end) return cont();
342 else return pass(what, proceed);
343 };
344 }
345 function block(type) {
346 if (type == "}") return cont();
347 return pass(statement, block);
348 }
349 function vardef1(type, value) {
350 if (type == "variable"){register(value); return cont(typeuse, vardef2);}
351 return cont();
352 }
353 function vardef2(type, value) {
354 if (value == "=") return cont(expression, vardef2);
355 if (type == ",") return cont(vardef1);
356 }
357 function forspec1(type, value) {
358 if (type == "variable") {
359 register(value);
360 return cont(forin, expression)
361 } else {
362 return pass()
363 }
364 }
365 function forin(_type, value) {
366 if (value == "in") return cont();
367 }
368 function functiondef(type, value) {
369 //function names starting with upper-case letters are recognised as types, so cludging them together here.
370 if (type == "variable" || type == "type") {register(value); return cont(functiondef);}
371 if (value == "new") return cont(functiondef);
372 if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, typeuse, statement, popcontext);
373 }
374 function typeuse(type) {
375 if(type == ":") return cont(typestring);
376 }
377 function typestring(type) {
378 if(type == "type") return cont();
379 if(type == "variable") return cont();
380 if(type == "{") return cont(pushlex("}"), commasep(typeprop, "}"), poplex);
381 }
382 function typeprop(type) {
383 if(type == "variable") return cont(typeuse);
384 }
385 function funarg(type, value) {
386 if (type == "variable") {register(value); return cont(typeuse);}
387 }
388
389 // Interface
390 return {
391 startState: function(basecolumn) {
392 var defaulttypes = ["Int", "Float", "String", "Void", "Std", "Bool", "Dynamic", "Array"];
393 var state = {
394 tokenize: haxeTokenBase,
395 reAllowed: true,
396 kwAllowed: true,
397 cc: [],
398 lexical: new HaxeLexical((basecolumn || 0) - indentUnit, 0, "block", false),
399 localVars: parserConfig.localVars,
400 importedtypes: defaulttypes,
401 context: parserConfig.localVars && {vars: parserConfig.localVars},
402 indented: 0
403 };
404 if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
405 state.globalVars = parserConfig.globalVars;
406 return state;
407 },
408
409 token: function(stream, state) {
410 if (stream.sol()) {
411 if (!state.lexical.hasOwnProperty("align"))
412 state.lexical.align = false;
413 state.indented = stream.indentation();
414 }
415 if (stream.eatSpace()) return null;
416 var style = state.tokenize(stream, state);
417 if (type == "comment") return style;
418 state.reAllowed = !!(type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/));
419 state.kwAllowed = type != '.';
420 return parseHaxe(state, style, type, content, stream);
421 },
422
423 indent: function(state, textAfter) {
424 if (state.tokenize != haxeTokenBase) return 0;
425 var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
426 if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
427 var type = lexical.type, closing = firstChar == type;
428 if (type == "vardef") return lexical.indented + 4;
429 else if (type == "form" && firstChar == "{") return lexical.indented;
430 else if (type == "stat" || type == "form") return lexical.indented + indentUnit;
431 else if (lexical.info == "switch" && !closing)
432 return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
433 else if (lexical.align) return lexical.column + (closing ? 0 : 1);
434 else return lexical.indented + (closing ? 0 : indentUnit);
435 },
436
437 electricChars: "{}",
438 blockCommentStart: "/*",
439 blockCommentEnd: "*/",
440 lineComment: "//"
441 };
442});
443
444CodeMirror.defineMIME("text/x-haxe", "haxe");
445
446CodeMirror.defineMode("hxml", function () {
447
448 return {
449 startState: function () {
450 return {
451 define: false,
452 inString: false
453 };
454 },
455 token: function (stream, state) {
456 var ch = stream.peek();
457 var sol = stream.sol();
458
459 ///* comments */
460 if (ch == "#") {
461 stream.skipToEnd();
462 return "comment";
463 }
464 if (sol && ch == "-") {
465 var style = "variable-2";
466
467 stream.eat(/-/);
468
469 if (stream.peek() == "-") {
470 stream.eat(/-/);
471 style = "keyword a";
472 }
473
474 if (stream.peek() == "D") {
475 stream.eat(/[D]/);
476 style = "keyword c";
477 state.define = true;
478 }
479
480 stream.eatWhile(/[A-Z]/i);
481 return style;
482 }
483
484 var ch = stream.peek();
485
486 if (state.inString == false && ch == "'") {
487 state.inString = true;
488 stream.next();
489 }
490
491 if (state.inString == true) {
492 if (stream.skipTo("'")) {
493
494 } else {
495 stream.skipToEnd();
496 }
497
498 if (stream.peek() == "'") {
499 stream.next();
500 state.inString = false;
501 }
502
503 return "string";
504 }
505
506 stream.next();
507 return null;
508 },
509 lineComment: "#"
510 };
511});
512
513CodeMirror.defineMIME("text/x-hxml", "hxml");
514
515});