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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 | +// Taken from https://github.com/tangrams/GLSL-live-editor/blob/master/src/codemirror/mode/webGL-clike.js |
| 5 | +/* eslint-disable */ |
| 6 | + |
| 7 | +(function(mod) { |
| 8 | + if (typeof exports == "object" && typeof module == "object") // CommonJS |
| 9 | + mod(require("codemirror")); |
| 10 | + else if (typeof define == "function" && define.amd) // AMD |
| 11 | + define(["codemirror"], mod); |
| 12 | + else // Plain browser env |
| 13 | + mod(CodeMirror); |
| 14 | +})(function(CodeMirror) { |
| 15 | +"use strict"; |
| 16 | + |
| 17 | +CodeMirror.defineMode("clike", function(config, parserConfig) { |
| 18 | + var indentUnit = config.indentUnit, |
| 19 | + statementIndentUnit = parserConfig.statementIndentUnit || indentUnit, |
| 20 | + dontAlignCalls = parserConfig.dontAlignCalls, |
| 21 | + keywords = parserConfig.keywords || {}, |
| 22 | + builtin = parserConfig.builtin || {}, |
| 23 | + blockKeywords = parserConfig.blockKeywords || {}, |
| 24 | + atoms = parserConfig.atoms || {}, |
| 25 | + hooks = parserConfig.hooks || {}, |
| 26 | + multiLineStrings = parserConfig.multiLineStrings, |
| 27 | + indentStatements = parserConfig.indentStatements !== false; |
| 28 | + var isOperatorChar = /[+\-*&%=<>!?|\/]/; |
| 29 | + |
| 30 | + var curPunc; |
| 31 | + |
| 32 | + function tokenBase(stream, state) { |
| 33 | + var ch = stream.next(); |
| 34 | + if (hooks[ch]) { |
| 35 | + var result = hooks[ch](stream, state); |
| 36 | + if (result !== false) return result; |
| 37 | + } |
| 38 | + if (ch == '"' || ch == "'") { |
| 39 | + state.tokenize = tokenString(ch); |
| 40 | + return state.tokenize(stream, state); |
| 41 | + } |
| 42 | + if (/[\[\]{}\(\),;\:\.]/.test(ch)) { |
| 43 | + curPunc = ch; |
| 44 | + return null; |
| 45 | + } |
| 46 | + if (/\d/.test(ch)) { |
| 47 | + stream.eatWhile(/[\w\.]/); |
| 48 | + return "number"; |
| 49 | + } |
| 50 | + if (ch == "/") { |
| 51 | + if (stream.eat("*")) { |
| 52 | + state.tokenize = tokenComment; |
| 53 | + return tokenComment(stream, state); |
| 54 | + } |
| 55 | + if (stream.eat("/")) { |
| 56 | + stream.skipToEnd(); |
| 57 | + return "comment"; |
| 58 | + } |
| 59 | + } |
| 60 | + if (isOperatorChar.test(ch)) { |
| 61 | + stream.eatWhile(isOperatorChar); |
| 62 | + return "operator"; |
| 63 | + } |
| 64 | + stream.eatWhile(/[\w\$_\xa1-\uffff]/); |
| 65 | + var cur = stream.current(); |
| 66 | + if (keywords.propertyIsEnumerable(cur)) { |
| 67 | + if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; |
| 68 | + return "keyword"; |
| 69 | + } |
| 70 | + if (builtin.propertyIsEnumerable(cur)) { |
| 71 | + if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; |
| 72 | + return "builtin"; |
| 73 | + } |
| 74 | + if (atoms.propertyIsEnumerable(cur)) return "atom"; |
| 75 | + return "variable"; |
| 76 | + } |
| 77 | + |
| 78 | + function tokenString(quote) { |
| 79 | + return function(stream, state) { |
| 80 | + var escaped = false, next, end = false; |
| 81 | + while ((next = stream.next()) != null) { |
| 82 | + if (next == quote && !escaped) {end = true; break;} |
| 83 | + escaped = !escaped && next == "\\"; |
| 84 | + } |
| 85 | + if (end || !(escaped || multiLineStrings)) |
| 86 | + state.tokenize = null; |
| 87 | + return "string"; |
| 88 | + }; |
| 89 | + } |
| 90 | + |
| 91 | + function tokenComment(stream, state) { |
| 92 | + var maybeEnd = false, ch; |
| 93 | + while (ch = stream.next()) { |
| 94 | + if (ch == "/" && maybeEnd) { |
| 95 | + state.tokenize = null; |
| 96 | + break; |
| 97 | + } |
| 98 | + maybeEnd = (ch == "*"); |
| 99 | + } |
| 100 | + return "comment"; |
| 101 | + } |
| 102 | + |
| 103 | + function Context(indented, column, type, align, prev) { |
| 104 | + this.indented = indented; |
| 105 | + this.column = column; |
| 106 | + this.type = type; |
| 107 | + this.align = align; |
| 108 | + this.prev = prev; |
| 109 | + } |
| 110 | + function pushContext(state, col, type) { |
| 111 | + var indent = state.indented; |
| 112 | + if (state.context && state.context.type == "statement") |
| 113 | + indent = state.context.indented; |
| 114 | + return state.context = new Context(indent, col, type, null, state.context); |
| 115 | + } |
| 116 | + function popContext(state) { |
| 117 | + var t = state.context.type; |
| 118 | + if (t == ")" || t == "]" || t == "}") |
| 119 | + state.indented = state.context.indented; |
| 120 | + return state.context = state.context.prev; |
| 121 | + } |
| 122 | + |
| 123 | + // Interface |
| 124 | + |
| 125 | + return { |
| 126 | + startState: function(basecolumn) { |
| 127 | + return { |
| 128 | + tokenize: null, |
| 129 | + context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), |
| 130 | + indented: 0, |
| 131 | + startOfLine: true |
| 132 | + }; |
| 133 | + }, |
| 134 | + |
| 135 | + token: function(stream, state) { |
| 136 | + var ctx = state.context; |
| 137 | + if (stream.sol()) { |
| 138 | + if (ctx.align == null) ctx.align = false; |
| 139 | + state.indented = stream.indentation(); |
| 140 | + state.startOfLine = true; |
| 141 | + } |
| 142 | + if (stream.eatSpace()) return null; |
| 143 | + curPunc = null; |
| 144 | + var style = (state.tokenize || tokenBase)(stream, state); |
| 145 | + if (style == "comment" || style == "meta") return style; |
| 146 | + if (ctx.align == null) ctx.align = true; |
| 147 | + |
| 148 | + if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state); |
| 149 | + else if (curPunc == "{") pushContext(state, stream.column(), "}"); |
| 150 | + else if (curPunc == "[") pushContext(state, stream.column(), "]"); |
| 151 | + else if (curPunc == "(") pushContext(state, stream.column(), ")"); |
| 152 | + else if (curPunc == "}") { |
| 153 | + while (ctx.type == "statement") ctx = popContext(state); |
| 154 | + if (ctx.type == "}") ctx = popContext(state); |
| 155 | + while (ctx.type == "statement") ctx = popContext(state); |
| 156 | + } |
| 157 | + else if (curPunc == ctx.type) popContext(state); |
| 158 | + else if (indentStatements && |
| 159 | + (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || |
| 160 | + (ctx.type == "statement" && curPunc == "newstatement"))) |
| 161 | + pushContext(state, stream.column(), "statement"); |
| 162 | + state.startOfLine = false; |
| 163 | + return style; |
| 164 | + }, |
| 165 | + |
| 166 | + indent: function(state, textAfter) { |
| 167 | + if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass; |
| 168 | + var ctx = state.context, firstChar = textAfter && textAfter.charAt(0); |
| 169 | + if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev; |
| 170 | + var closing = firstChar == ctx.type; |
| 171 | + if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit); |
| 172 | + else if (ctx.align && (!dontAlignCalls || ctx.type != ")")) return ctx.column + (closing ? 0 : 1); |
| 173 | + else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit; |
| 174 | + else return ctx.indented + (closing ? 0 : indentUnit); |
| 175 | + }, |
| 176 | + |
| 177 | + electricChars: "{}", |
| 178 | + blockCommentStart: "/*", |
| 179 | + blockCommentEnd: "*/", |
| 180 | + lineComment: "//", |
| 181 | + fold: "brace" |
| 182 | + }; |
| 183 | +}); |
| 184 | + |
| 185 | + function words(str) { |
| 186 | + var obj = {}, words = str.split(" "); |
| 187 | + for (var i = 0; i < words.length; ++i) obj[words[i]] = true; |
| 188 | + return obj; |
| 189 | + } |
| 190 | + var cKeywords = "auto if break int case long char register continue return default short do sizeof " + |
| 191 | + "double static else struct entry switch extern typedef float union for unsigned " + |
| 192 | + "goto while enum void const signed volatile"; |
| 193 | + |
| 194 | + function cppHook(stream, state) { |
| 195 | + if (!state.startOfLine) return false; |
| 196 | + for (;;) { |
| 197 | + if (stream.skipTo("\\")) { |
| 198 | + stream.next(); |
| 199 | + if (stream.eol()) { |
| 200 | + state.tokenize = cppHook; |
| 201 | + break; |
| 202 | + } |
| 203 | + } else { |
| 204 | + stream.skipToEnd(); |
| 205 | + state.tokenize = null; |
| 206 | + break; |
| 207 | + } |
| 208 | + } |
| 209 | + return "meta"; |
| 210 | + } |
| 211 | + |
| 212 | + function cpp11StringHook(stream, state) { |
| 213 | + stream.backUp(1); |
| 214 | + // Raw strings. |
| 215 | + if (stream.match(/(R|u8R|uR|UR|LR)/)) { |
| 216 | + var match = stream.match(/"([^\s\\()]{0,16})\(/); |
| 217 | + if (!match) { |
| 218 | + return false; |
| 219 | + } |
| 220 | + state.cpp11RawStringDelim = match[1]; |
| 221 | + state.tokenize = tokenRawString; |
| 222 | + return tokenRawString(stream, state); |
| 223 | + } |
| 224 | + // Unicode strings/chars. |
| 225 | + if (stream.match(/(u8|u|U|L)/)) { |
| 226 | + if (stream.match(/["']/, /* eat */ false)) { |
| 227 | + return "string"; |
| 228 | + } |
| 229 | + return false; |
| 230 | + } |
| 231 | + // Ignore this hook. |
| 232 | + stream.next(); |
| 233 | + return false; |
| 234 | + } |
| 235 | + |
| 236 | + // C#-style strings where "" escapes a quote. |
| 237 | + function tokenAtString(stream, state) { |
| 238 | + var next; |
| 239 | + while ((next = stream.next()) != null) { |
| 240 | + if (next == '"' && !stream.eat('"')) { |
| 241 | + state.tokenize = null; |
| 242 | + break; |
| 243 | + } |
| 244 | + } |
| 245 | + return "string"; |
| 246 | + } |
| 247 | + |
| 248 | + // C++11 raw string literal is <prefix>"<delim>( anything )<delim>", where |
| 249 | + // <delim> can be a string up to 16 characters long. |
| 250 | + function tokenRawString(stream, state) { |
| 251 | + // Escape characters that have special regex meanings. |
| 252 | + var delim = state.cpp11RawStringDelim.replace(/[^\w\s]/g, '\\$&'); |
| 253 | + var match = stream.match(new RegExp(".*?\\)" + delim + '"')); |
| 254 | + if (match) |
| 255 | + state.tokenize = null; |
| 256 | + else |
| 257 | + stream.skipToEnd(); |
| 258 | + return "string"; |
| 259 | + } |
| 260 | + |
| 261 | + function def(mimes, mode) { |
| 262 | + if (typeof mimes == "string") mimes = [mimes]; |
| 263 | + var words = []; |
| 264 | + function add(obj) { |
| 265 | + if (obj) for (var prop in obj) if (obj.hasOwnProperty(prop)) |
| 266 | + words.push(prop); |
| 267 | + } |
| 268 | + add(mode.keywords); |
| 269 | + add(mode.builtin); |
| 270 | + add(mode.atoms); |
| 271 | + if (words.length) { |
| 272 | + mode.helperType = mimes[0]; |
| 273 | + CodeMirror.registerHelper("hintWords", mimes[0], words); |
| 274 | + } |
| 275 | + |
| 276 | + for (var i = 0; i < mimes.length; ++i) |
| 277 | + CodeMirror.defineMIME(mimes[i], mode); |
| 278 | + } |
| 279 | + |
| 280 | + def(["x-shader/x-vertex", "x-shader/x-fragment"], { |
| 281 | + name: "clike", |
| 282 | + keywords: words("float int bool void " + |
| 283 | + "vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " + |
| 284 | + "mat2 mat3 mat4 " + |
| 285 | + "sampler2D sampler3D samplerCube " + |
| 286 | + "const attribute uniform varying " + |
| 287 | + "break continue discard return " + |
| 288 | + "for while do if else struct " + |
| 289 | + "in out inout"), |
| 290 | + blockKeywords: words("for while do if else struct"), |
| 291 | + builtin: words("radians degrees sin cos tan asin acos atan " + |
| 292 | + "pow exp log exp2 sqrt inversesqrt " + |
| 293 | + "abs sign floor ceil fract mod min max clamp mix step smoothstep " + |
| 294 | + "length distance dot cross normalize faceforward " + |
| 295 | + "reflect refract matrixCompMult " + |
| 296 | + "lessThan lessThanEqual greaterThan greaterThanEqual " + |
| 297 | + "equal notEqual any all not " + |
| 298 | + "texture2D texture2DLod texture2DProjLod " + |
| 299 | + "textureCube textureCubeLod "), |
| 300 | + atoms: words("true false " + |
| 301 | + "gl_FragColor " + |
| 302 | + "gl_PointCoord " + |
| 303 | + "gl_Position gl_PointSize " + |
| 304 | + "gl_FragCoord gl_FrontFacing " + |
| 305 | + "gl_FragData " + |
| 306 | + "gl_DepthRangeParameters " + |
| 307 | + "gl_MaxVertexAttribs gl_MaxVaryingVectors gl_MaxVertexUniformVectors" + |
| 308 | + "gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " + |
| 309 | + "gl_MaxFragmentUniformVectors " + |
| 310 | + "gl_MaxDrawBuffers"), |
| 311 | + hooks: {"#": cppHook}, |
| 312 | + modeProps: {fold: ["brace", "include"]} |
| 313 | + }); |
| 314 | + |
| 315 | +}); |
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