1 CodeMirror.defineMode("haxe", function(config, parserConfig) {
2 var indentUnit = config.indentUnit;
6 var keywords = function(){
7 function kw(type) {return {type: type, style: "keyword"};}
8 var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c");
9 var operator = kw("operator"), atom = {type: "atom", style: "atom"}, attribute = {type:"attribute", style: "attribute"};
10 var type = kw("typedef");
12 "if": A, "while": A, "else": B, "do": B, "try": B,
13 "return": C, "break": C, "continue": C, "new": C, "throw": C,
14 "var": kw("var"), "inline":attribute, "static": attribute, "using":kw("import"),
15 "public": attribute, "private": attribute, "cast": kw("cast"), "import": kw("import"), "macro": kw("macro"),
16 "function": kw("function"), "catch": kw("catch"), "untyped": kw("untyped"), "callback": kw("cb"),
17 "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
18 "in": operator, "never": kw("property_access"), "trace":kw("trace"),
19 "class": type, "enum":type, "interface":type, "typedef":type, "extends":type, "implements":type, "dynamic":type,
20 "true": atom, "false": atom, "null": atom
24 var isOperatorChar = /[+\-*&%=<>!?|]/;
26 function chain(stream, state, f) {
28 return f(stream, state);
31 function nextUntilUnescaped(stream, end) {
32 var escaped = false, next;
33 while ((next = stream.next()) != null) {
34 if (next == end && !escaped)
36 escaped = !escaped && next == "\\";
41 // Used as scratch variables to communicate multiple values without
42 // consing up tons of objects.
44 function ret(tp, style, cont) {
45 type = tp; content = cont;
49 function haxeTokenBase(stream, state) {
50 var ch = stream.next();
51 if (ch == '"' || ch == "'")
52 return chain(stream, state, haxeTokenString(ch));
53 else if (/[\[\]{}\(\),;\:\.]/.test(ch))
55 else if (ch == "0" && stream.eat(/x/i)) {
56 stream.eatWhile(/[\da-f]/i);
57 return ret("number", "number");
59 else if (/\d/.test(ch) || ch == "-" && stream.eat(/\d/)) {
60 stream.match(/^\d*(?:\.\d*)?(?:[eE][+\-]?\d+)?/);
61 return ret("number", "number");
63 else if (state.reAllowed && (ch == "~" && stream.eat(/\//))) {
64 nextUntilUnescaped(stream, "/");
65 stream.eatWhile(/[gimsu]/);
66 return ret("regexp", "string-2");
69 if (stream.eat("*")) {
70 return chain(stream, state, haxeTokenComment);
72 else if (stream.eat("/")) {
74 return ret("comment", "comment");
77 stream.eatWhile(isOperatorChar);
78 return ret("operator", null, stream.current());
83 return ret("conditional", "meta");
87 stream.eatWhile(/[\w_]/);
88 return ret ("metadata", "meta");
90 else if (isOperatorChar.test(ch)) {
91 stream.eatWhile(isOperatorChar);
92 return ret("operator", null, stream.current());
98 stream.eatWhile(/[\w_<>]/);
99 word = stream.current();
100 return ret("type", "variable-3", word);
104 stream.eatWhile(/[\w_]/);
105 var word = stream.current(), known = keywords.propertyIsEnumerable(word) && keywords[word];
106 return (known && state.kwAllowed) ? ret(known.type, known.style, word) :
107 ret("variable", "variable", word);
112 function haxeTokenString(quote) {
113 return function(stream, state) {
114 if (!nextUntilUnescaped(stream, quote))
115 state.tokenize = haxeTokenBase;
116 return ret("string", "string");
120 function haxeTokenComment(stream, state) {
121 var maybeEnd = false, ch;
122 while (ch = stream.next()) {
123 if (ch == "/" && maybeEnd) {
124 state.tokenize = haxeTokenBase;
127 maybeEnd = (ch == "*");
129 return ret("comment", "comment");
134 var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true};
136 function HaxeLexical(indented, column, type, align, prev, info) {
137 this.indented = indented;
138 this.column = column;
142 if (align != null) this.align = align;
145 function inScope(state, varname) {
146 for (var v = state.localVars; v; v = v.next)
147 if (v.name == varname) return true;
150 function parseHaxe(state, style, type, content, stream) {
152 // Communicate our context to the combinators.
153 // (Less wasteful than consing up a hundred closures on every call.)
154 cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc;
156 if (!state.lexical.hasOwnProperty("align"))
157 state.lexical.align = true;
160 var combinator = cc.length ? cc.pop() : statement;
161 if (combinator(type, content)) {
162 while(cc.length && cc[cc.length - 1].lex)
164 if (cx.marked) return cx.marked;
165 if (type == "variable" && inScope(state, content)) return "variable-2";
166 if (type == "variable" && imported(state, content)) return "variable-3";
172 function imported(state, typename)
174 if (/[a-z]/.test(typename.charAt(0)))
176 var len = state.importedtypes.length;
177 for (var i = 0; i<len; i++)
178 if(state.importedtypes[i]==typename) return true;
182 function registerimport(importname) {
183 var state = cx.state;
184 for (var t = state.importedtypes; t; t = t.next)
185 if(t.name == importname) return;
186 state.importedtypes = { name: importname, next: state.importedtypes };
190 var cx = {state: null, column: null, marked: null, cc: null};
192 for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
195 pass.apply(null, arguments);
198 function register(varname) {
199 var state = cx.state;
202 for (var v = state.localVars; v; v = v.next)
203 if (v.name == varname) return;
204 state.localVars = {name: varname, next: state.localVars};
210 var defaultVars = {name: "this", next: null};
211 function pushcontext() {
212 if (!cx.state.context) cx.state.localVars = defaultVars;
213 cx.state.context = {prev: cx.state.context, vars: cx.state.localVars};
215 function popcontext() {
216 cx.state.localVars = cx.state.context.vars;
217 cx.state.context = cx.state.context.prev;
219 function pushlex(type, info) {
220 var result = function() {
221 var state = cx.state;
222 state.lexical = new HaxeLexical(state.indented, cx.stream.column(), type, null, state.lexical, info);
228 var state = cx.state;
229 if (state.lexical.prev) {
230 if (state.lexical.type == ")")
231 state.indented = state.lexical.indented;
232 state.lexical = state.lexical.prev;
237 function expect(wanted) {
238 return function(type) {
239 if (type == wanted) return cont();
240 else if (wanted == ";") return pass();
241 else return cont(arguments.callee);
245 function statement(type) {
246 if (type == "@") return cont(metadef);
247 if (type == "var") return cont(pushlex("vardef"), vardef1, expect(";"), poplex);
248 if (type == "keyword a") return cont(pushlex("form"), expression, statement, poplex);
249 if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
250 if (type == "{") return cont(pushlex("}"), pushcontext, block, poplex, popcontext);
251 if (type == ";") return cont();
252 if (type == "attribute") return cont(maybeattribute);
253 if (type == "function") return cont(functiondef);
254 if (type == "for") return cont(pushlex("form"), expect("("), pushlex(")"), forspec1, expect(")"),
255 poplex, statement, poplex);
256 if (type == "variable") return cont(pushlex("stat"), maybelabel);
257 if (type == "switch") return cont(pushlex("form"), expression, pushlex("}", "switch"), expect("{"),
258 block, poplex, poplex);
259 if (type == "case") return cont(expression, expect(":"));
260 if (type == "default") return cont(expect(":"));
261 if (type == "catch") return cont(pushlex("form"), pushcontext, expect("("), funarg, expect(")"),
262 statement, poplex, popcontext);
263 if (type == "import") return cont(importdef, expect(";"));
264 if (type == "typedef") return cont(typedef);
265 return pass(pushlex("stat"), expression, expect(";"), poplex);
267 function expression(type) {
268 if (atomicTypes.hasOwnProperty(type)) return cont(maybeoperator);
269 if (type == "function") return cont(functiondef);
270 if (type == "keyword c") return cont(maybeexpression);
271 if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeoperator);
272 if (type == "operator") return cont(expression);
273 if (type == "[") return cont(pushlex("]"), commasep(expression, "]"), poplex, maybeoperator);
274 if (type == "{") return cont(pushlex("}"), commasep(objprop, "}"), poplex, maybeoperator);
277 function maybeexpression(type) {
278 if (type.match(/[;\}\)\],]/)) return pass();
279 return pass(expression);
282 function maybeoperator(type, value) {
283 if (type == "operator" && /\+\+|--/.test(value)) return cont(maybeoperator);
284 if (type == "operator" || type == ":") return cont(expression);
285 if (type == ";") return;
286 if (type == "(") return cont(pushlex(")"), commasep(expression, ")"), poplex, maybeoperator);
287 if (type == ".") return cont(property, maybeoperator);
288 if (type == "[") return cont(pushlex("]"), expression, expect("]"), poplex, maybeoperator);
291 function maybeattribute(type) {
292 if (type == "attribute") return cont(maybeattribute);
293 if (type == "function") return cont(functiondef);
294 if (type == "var") return cont(vardef1);
297 function metadef(type) {
298 if(type == ":") return cont(metadef);
299 if(type == "variable") return cont(metadef);
300 if(type == "(") return cont(pushlex(")"), comasep(metaargs, ")"), poplex, statement);
302 function metaargs(type) {
303 if(type == "variable") return cont();
306 function importdef (type, value) {
307 if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }
308 else if(type == "variable" || type == "property" || type == ".") return cont(importdef);
311 function typedef (type, value)
313 if(type == "variable" && /[A-Z]/.test(value.charAt(0))) { registerimport(value); return cont(); }
316 function maybelabel(type) {
317 if (type == ":") return cont(poplex, statement);
318 return pass(maybeoperator, expect(";"), poplex);
320 function property(type) {
321 if (type == "variable") {cx.marked = "property"; return cont();}
323 function objprop(type) {
324 if (type == "variable") cx.marked = "property";
325 if (atomicTypes.hasOwnProperty(type)) return cont(expect(":"), expression);
327 function commasep(what, end) {
328 function proceed(type) {
329 if (type == ",") return cont(what, proceed);
330 if (type == end) return cont();
331 return cont(expect(end));
333 return function(type) {
334 if (type == end) return cont();
335 else return pass(what, proceed);
338 function block(type) {
339 if (type == "}") return cont();
340 return pass(statement, block);
342 function vardef1(type, value) {
343 if (type == "variable"){register(value); return cont(typeuse, vardef2);}
346 function vardef2(type, value) {
347 if (value == "=") return cont(expression, vardef2);
348 if (type == ",") return cont(vardef1);
350 function forspec1(type, value) {
351 if (type == "variable") {
354 return cont(pushlex(")"), pushcontext, forin, expression, poplex, statement, popcontext);
356 function forin(_type, value) {
357 if (value == "in") return cont();
359 function functiondef(type, value) {
360 if (type == "variable") {register(value); return cont(functiondef);}
361 if (value == "new") return cont(functiondef);
362 if (type == "(") return cont(pushlex(")"), pushcontext, commasep(funarg, ")"), poplex, typeuse, statement, popcontext);
364 function typeuse(type) {
365 if(type == ":") return cont(typestring);
367 function typestring(type) {
368 if(type == "type") return cont();
369 if(type == "variable") return cont();
370 if(type == "{") return cont(pushlex("}"), commasep(typeprop, "}"), poplex);
372 function typeprop(type) {
373 if(type == "variable") return cont(typeuse);
375 function funarg(type, value) {
376 if (type == "variable") {register(value); return cont(typeuse);}
382 startState: function(basecolumn) {
383 var defaulttypes = ["Int", "Float", "String", "Void", "Std", "Bool", "Dynamic", "Array"];
385 tokenize: haxeTokenBase,
389 lexical: new HaxeLexical((basecolumn || 0) - indentUnit, 0, "block", false),
390 localVars: parserConfig.localVars,
391 importedtypes: defaulttypes,
392 context: parserConfig.localVars && {vars: parserConfig.localVars},
397 token: function(stream, state) {
399 if (!state.lexical.hasOwnProperty("align"))
400 state.lexical.align = false;
401 state.indented = stream.indentation();
403 if (stream.eatSpace()) return null;
404 var style = state.tokenize(stream, state);
405 if (type == "comment") return style;
406 state.reAllowed = !!(type == "operator" || type == "keyword c" || type.match(/^[\[{}\(,;:]$/));
407 state.kwAllowed = type != '.';
408 return parseHaxe(state, style, type, content, stream);
411 indent: function(state, textAfter) {
412 if (state.tokenize != haxeTokenBase) return 0;
413 var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical;
414 if (lexical.type == "stat" && firstChar == "}") lexical = lexical.prev;
415 var type = lexical.type, closing = firstChar == type;
416 if (type == "vardef") return lexical.indented + 4;
417 else if (type == "form" && firstChar == "{") return lexical.indented;
418 else if (type == "stat" || type == "form") return lexical.indented + indentUnit;
419 else if (lexical.info == "switch" && !closing)
420 return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
421 else if (lexical.align) return lexical.column + (closing ? 0 : 1);
422 else return lexical.indented + (closing ? 0 : indentUnit);
429 CodeMirror.defineMIME("text/x-haxe", "haxe");