haxe.js (17563B)
1 // CodeMirror, copyright (c) by Marijn Haverbeke and others 2 // Distributed under an MIT license: http://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 14 CodeMirror.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 }); 443 444 CodeMirror.defineMIME("text/x-haxe", "haxe"); 445 446 CodeMirror.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 }); 512 513 CodeMirror.defineMIME("text/x-hxml", "hxml"); 514 515 });