third_party/WebKit/Source/devtools/front_end/cm_modes/clike.js

   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("clike", function(config, parserConfig) {
  15   var indentUnit = config.indentUnit,
  16       statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
  17       dontAlignCalls = parserConfig.dontAlignCalls,
  18       keywords = parserConfig.keywords || {},
  19       builtin = parserConfig.builtin || {},
  20       blockKeywords = parserConfig.blockKeywords || {},
  21       atoms = parserConfig.atoms || {},
  22       hooks = parserConfig.hooks || {},
  23       multiLineStrings = parserConfig.multiLineStrings;
  24   var isOperatorChar = /[+\-*&%=<>!?|\/]/;
  25
  26   var curPunc;
  27
  28   function tokenBase(stream, state) {
  29     var ch = stream.next();
  30     if (hooks[ch]) {
  31       var result = hooks[ch](stream, state);
  32       if (result !== false) return result;
  33     }
  34     if (ch == '"' || ch == "'") {
  35       state.tokenize = tokenString(ch);
  36       return state.tokenize(stream, state);
  37     }
  38     if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
  39       curPunc = ch;
  40       return null;
  41     }
  42     if (/\d/.test(ch)) {
  43       stream.eatWhile(/[\w\.]/);
  44       return "number";
  45     }
  46     if (ch == "/") {
  47       if (stream.eat("*")) {
  48         state.tokenize = tokenComment;
  49         return tokenComment(stream, state);
  50       }
  51       if (stream.eat("/")) {
  52         stream.skipToEnd();
  53         return "comment";
  54       }
  55     }
  56     if (isOperatorChar.test(ch)) {
  57       stream.eatWhile(isOperatorChar);
  58       return "operator";
  59     }
  60     stream.eatWhile(/[\w\$_]/);
  61     var cur = stream.current();
  62     if (keywords.propertyIsEnumerable(cur)) {
  63       if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
  64       return "keyword";
  65     }
  66     if (builtin.propertyIsEnumerable(cur)) {
  67       if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
  68       return "builtin";
  69     }
  70     if (atoms.propertyIsEnumerable(cur)) return "atom";
  71     return "variable";
  72   }
  73
  74   function tokenString(quote) {
  75     return function(stream, state) {
  76       var escaped = false, next, end = false;
  77       while ((next = stream.next()) != null) {
  78         if (next == quote && !escaped) {end = true; break;}
  79         escaped = !escaped && next == "\\";
  80       }
  81       if (end || !(escaped || multiLineStrings))
  82         state.tokenize = null;
  83       return "string";
  84     };
  85   }
  86
  87   function tokenComment(stream, state) {
  88     var maybeEnd = false, ch;
  89     while (ch = stream.next()) {
  90       if (ch == "/" && maybeEnd) {
  91         state.tokenize = null;
  92         break;
  93       }
  94       maybeEnd = (ch == "*");
  95     }
  96     return "comment";
  97   }
  98
  99   function Context(indented, column, type, align, prev) {
 100     this.indented = indented;
 101     this.column = column;
 102     this.type = type;
 103     this.align = align;
 104     this.prev = prev;
 105   }
 106   function pushContext(state, col, type) {
 107     var indent = state.indented;
 108     if (state.context && state.context.type == "statement")
 109       indent = state.context.indented;
 110     return state.context = new Context(indent, col, type, null, state.context);
 111   }
 112   function popContext(state) {
 113     var t = state.context.type;
 114     if (t == ")" || t == "]" || t == "}")
 115       state.indented = state.context.indented;
 116     return state.context = state.context.prev;
 117   }
 118
 119   // Interface
 120
 121   return {
 122     startState: function(basecolumn) {
 123       return {
 124         tokenize: null,
 125         context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
 126         indented: 0,
 127         startOfLine: true
 128       };
 129     },
 130
 131     token: function(stream, state) {
 132       var ctx = state.context;
 133       if (stream.sol()) {
 134         if (ctx.align == null) ctx.align = false;
 135         state.indented = stream.indentation();
 136         state.startOfLine = true;
 137       }
 138       if (stream.eatSpace()) return null;
 139       curPunc = null;
 140       var style = (state.tokenize || tokenBase)(stream, state);
 141       if (style == "comment" || style == "meta") return style;
 142       if (ctx.align == null) ctx.align = true;
 143
 144       if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
 145       else if (curPunc == "{") pushContext(state, stream.column(), "}");
 146       else if (curPunc == "[") pushContext(state, stream.column(), "]");
 147       else if (curPunc == "(") pushContext(state, stream.column(), ")");
 148       else if (curPunc == "}") {
 149         while (ctx.type == "statement") ctx = popContext(state);
 150         if (ctx.type == "}") ctx = popContext(state);
 151         while (ctx.type == "statement") ctx = popContext(state);
 152       }
 153       else if (curPunc == ctx.type) popContext(state);
 154       else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
 155         pushContext(state, stream.column(), "statement");
 156       state.startOfLine = false;
 157       return style;
 158     },
 159
 160     indent: function(state, textAfter) {
 161       if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
 162       var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
 163       if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
 164       var closing = firstChar == ctx.type;
 165       if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
 166       else if (ctx.align && (!dontAlignCalls || ctx.type != ")")) return ctx.column + (closing ? 0 : 1);
 167       else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit;
 168       else return ctx.indented + (closing ? 0 : indentUnit);
 169     },
 170
 171     electricChars: "{}",
 172     blockCommentStart: "/*",
 173     blockCommentEnd: "*/",
 174     lineComment: "//",
 175     fold: "brace"
 176   };
 177 });
 178
 179   function words(str) {
 180     var obj = {}, words = str.split(" ");
 181     for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
 182     return obj;
 183   }
 184   var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
 185     "double static else struct entry switch extern typedef float union for unsigned " +
 186     "goto while enum void const signed volatile";
 187
 188   function cppHook(stream, state) {
 189     if (!state.startOfLine) return false;
 190     for (;;) {
 191       if (stream.skipTo("\\")) {
 192         stream.next();
 193         if (stream.eol()) {
 194           state.tokenize = cppHook;
 195           break;
 196         }
 197       } else {
 198         stream.skipToEnd();
 199         state.tokenize = null;
 200         break;
 201       }
 202     }
 203     return "meta";
 204   }
 205
 206   function cpp11StringHook(stream, state) {
 207     stream.backUp(1);
 208     // Raw strings.
 209     if (stream.match(/(R|u8R|uR|UR|LR)/)) {
 210       var match = stream.match(/"([^\s\\()]{0,16})\(/);
 211       if (!match) {
 212         return false;
 213       }
 214       state.cpp11RawStringDelim = match[1];
 215       state.tokenize = tokenRawString;
 216       return tokenRawString(stream, state);
 217     }
 218     // Unicode strings/chars.
 219     if (stream.match(/(u8|u|U|L)/)) {
 220       if (stream.match(/["']/, /* eat */ false)) {
 221         return "string";
 222       }
 223       return false;
 224     }
 225     // Ignore this hook.
 226     stream.next();
 227     return false;
 228   }
 229
 230   // C#-style strings where "" escapes a quote.
 231   function tokenAtString(stream, state) {
 232     var next;
 233     while ((next = stream.next()) != null) {
 234       if (next == '"' && !stream.eat('"')) {
 235         state.tokenize = null;
 236         break;
 237       }
 238     }
 239     return "string";
 240   }
 241
 242   // C++11 raw string literal is <prefix>"<delim>( anything )<delim>", where
 243   // <delim> can be a string up to 16 characters long.
 244   function tokenRawString(stream, state) {
 245     // Escape characters that have special regex meanings.
 246     var delim = state.cpp11RawStringDelim.replace(/[^\w\s]/g, '\\$&');
 247     var match = stream.match(new RegExp(".*?\\)" + delim + '"'));
 248     if (match)
 249       state.tokenize = null;
 250     else
 251       stream.skipToEnd();
 252     return "string";
 253   }
 254
 255   function def(mimes, mode) {
 256     if (typeof mimes == "string") mimes = [mimes];
 257     var words = [];
 258     function add(obj) {
 259       if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop))
 260         words.push(prop);
 261     }
 262     add(mode.keywords);
 263     add(mode.builtin);
 264     add(mode.atoms);
 265     if (words.length) {
 266       mode.helperType = mimes[0];
 267       CodeMirror.registerHelper("hintWords", mimes[0], words);
 268     }
 269
 270     for (var i = 0; i < mimes.length; ++i)
 271       CodeMirror.defineMIME(mimes[i], mode);
 272   }
 273
 274   def(["text/x-csrc", "text/x-c", "text/x-chdr"], {
 275     name: "clike",
 276     keywords: words(cKeywords),
 277     blockKeywords: words("case do else for if switch while struct"),
 278     atoms: words("null"),
 279     hooks: {"#": cppHook},
 280     modeProps: {fold: ["brace", "include"]}
 281   });
 282
 283   def(["text/x-c++src", "text/x-c++hdr"], {
 284     name: "clike",
 285     keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try bool explicit new " +
 286                     "static_cast typeid catch operator template typename class friend private " +
 287                     "this using const_cast inline public throw virtual delete mutable protected " +
 288                     "wchar_t alignas alignof constexpr decltype nullptr noexcept thread_local final " +
 289                     "static_assert override"),
 290     blockKeywords: words("catch class do else finally for if struct switch try while"),
 291     atoms: words("true false null"),
 292     hooks: {
 293       "#": cppHook,
 294       "u": cpp11StringHook,
 295       "U": cpp11StringHook,
 296       "L": cpp11StringHook,
 297       "R": cpp11StringHook
 298     },
 299     modeProps: {fold: ["brace", "include"]}
 300   });
 301   def("text/x-java", {
 302     name: "clike",
 303     keywords: words("abstract assert boolean break byte case catch char class const continue default " +
 304                     "do double else enum extends final finally float for goto if implements import " +
 305                     "instanceof int interface long native new package private protected public " +
 306                     "return short static strictfp super switch synchronized this throw throws transient " +
 307                     "try void volatile while"),
 308     blockKeywords: words("catch class do else finally for if switch try while"),
 309     atoms: words("true false null"),
 310     hooks: {
 311       "@": function(stream) {
 312         stream.eatWhile(/[\w\$_]/);
 313         return "meta";
 314       }
 315     },
 316     modeProps: {fold: ["brace", "import"]}
 317   });
 318   def("text/x-csharp", {
 319     name: "clike",
 320     keywords: words("abstract as base break case catch checked class const continue" +
 321                     " default delegate do else enum event explicit extern finally fixed for" +
 322                     " foreach goto if implicit in interface internal is lock namespace new" +
 323                     " operator out override params private protected public readonly ref return sealed" +
 324                     " sizeof stackalloc static struct switch this throw try typeof unchecked" +
 325                     " unsafe using virtual void volatile while add alias ascending descending dynamic from get" +
 326                     " global group into join let orderby partial remove select set value var yield"),
 327     blockKeywords: words("catch class do else finally for foreach if struct switch try while"),
 328     builtin: words("Boolean Byte Char DateTime DateTimeOffset Decimal Double" +
 329                     " Guid Int16 Int32 Int64 Object SByte Single String TimeSpan UInt16 UInt32" +
 330                     " UInt64 bool byte char decimal double short int long object"  +
 331                     " sbyte float string ushort uint ulong"),
 332     atoms: words("true false null"),
 333     hooks: {
 334       "@": function(stream, state) {
 335         if (stream.eat('"')) {
 336           state.tokenize = tokenAtString;
 337           return tokenAtString(stream, state);
 338         }
 339         stream.eatWhile(/[\w\$_]/);
 340         return "meta";
 341       }
 342     }
 343   });
 344   def("text/x-scala", {
 345     name: "clike",
 346     keywords: words(
 347
 348       /* scala */
 349       "abstract case catch class def do else extends false final finally for forSome if " +
 350       "implicit import lazy match new null object override package private protected return " +
 351       "sealed super this throw trait try trye type val var while with yield _ : = => <- <: " +
 352       "<% >: # @ " +
 353
 354       /* package scala */
 355       "assert assume require print println printf readLine readBoolean readByte readShort " +
 356       "readChar readInt readLong readFloat readDouble " +
 357
 358       "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +
 359       "Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable " +
 360       "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +
 361       "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +
 362       "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector :: #:: " +
 363
 364       /* package java.lang */
 365       "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
 366       "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
 367       "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
 368       "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
 369
 370
 371     ),
 372     blockKeywords: words("catch class do else finally for forSome if match switch try while"),
 373     atoms: words("true false null"),
 374     hooks: {
 375       "@": function(stream) {
 376         stream.eatWhile(/[\w\$_]/);
 377         return "meta";
 378       }
 379     }
 380   });
 381   def(["x-shader/x-vertex", "x-shader/x-fragment"], {
 382     name: "clike",
 383     keywords: words("float int bool void " +
 384                     "vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " +
 385                     "mat2 mat3 mat4 " +
 386                     "sampler1D sampler2D sampler3D samplerCube " +
 387                     "sampler1DShadow sampler2DShadow" +
 388                     "const attribute uniform varying " +
 389                     "break continue discard return " +
 390                     "for while do if else struct " +
 391                     "in out inout"),
 392     blockKeywords: words("for while do if else struct"),
 393     builtin: words("radians degrees sin cos tan asin acos atan " +
 394                     "pow exp log exp2 sqrt inversesqrt " +
 395                     "abs sign floor ceil fract mod min max clamp mix step smootstep " +
 396                     "length distance dot cross normalize ftransform faceforward " +
 397                     "reflect refract matrixCompMult " +
 398                     "lessThan lessThanEqual greaterThan greaterThanEqual " +
 399                     "equal notEqual any all not " +
 400                     "texture1D texture1DProj texture1DLod texture1DProjLod " +
 401                     "texture2D texture2DProj texture2DLod texture2DProjLod " +
 402                     "texture3D texture3DProj texture3DLod texture3DProjLod " +
 403                     "textureCube textureCubeLod " +
 404                     "shadow1D shadow2D shadow1DProj shadow2DProj " +
 405                     "shadow1DLod shadow2DLod shadow1DProjLod shadow2DProjLod " +
 406                     "dFdx dFdy fwidth " +
 407                     "noise1 noise2 noise3 noise4"),
 408     atoms: words("true false " +
 409                 "gl_FragColor gl_SecondaryColor gl_Normal gl_Vertex " +
 410                 "gl_MultiTexCoord0 gl_MultiTexCoord1 gl_MultiTexCoord2 gl_MultiTexCoord3 " +
 411                 "gl_MultiTexCoord4 gl_MultiTexCoord5 gl_MultiTexCoord6 gl_MultiTexCoord7 " +
 412                 "gl_FogCoord " +
 413                 "gl_Position gl_PointSize gl_ClipVertex " +
 414                 "gl_FrontColor gl_BackColor gl_FrontSecondaryColor gl_BackSecondaryColor " +
 415                 "gl_TexCoord gl_FogFragCoord " +
 416                 "gl_FragCoord gl_FrontFacing " +
 417                 "gl_FragColor gl_FragData gl_FragDepth " +
 418                 "gl_ModelViewMatrix gl_ProjectionMatrix gl_ModelViewProjectionMatrix " +
 419                 "gl_TextureMatrix gl_NormalMatrix gl_ModelViewMatrixInverse " +
 420                 "gl_ProjectionMatrixInverse gl_ModelViewProjectionMatrixInverse " +
 421                 "gl_TexureMatrixTranspose gl_ModelViewMatrixInverseTranspose " +
 422                 "gl_ProjectionMatrixInverseTranspose " +
 423                 "gl_ModelViewProjectionMatrixInverseTranspose " +
 424                 "gl_TextureMatrixInverseTranspose " +
 425                 "gl_NormalScale gl_DepthRange gl_ClipPlane " +
 426                 "gl_Point gl_FrontMaterial gl_BackMaterial gl_LightSource gl_LightModel " +
 427                 "gl_FrontLightModelProduct gl_BackLightModelProduct " +
 428                 "gl_TextureColor gl_EyePlaneS gl_EyePlaneT gl_EyePlaneR gl_EyePlaneQ " +
 429                 "gl_FogParameters " +
 430                 "gl_MaxLights gl_MaxClipPlanes gl_MaxTextureUnits gl_MaxTextureCoords " +
 431                 "gl_MaxVertexAttribs gl_MaxVertexUniformComponents gl_MaxVaryingFloats " +
 432                 "gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " +
 433                 "gl_MaxFragmentUniformComponents gl_MaxCombineTextureImageUnits " +
 434                 "gl_MaxDrawBuffers"),
 435     hooks: {"#": cppHook},
 436     modeProps: {fold: ["brace", "include"]}
 437   });
 438
 439 });