d.js (7572B)
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("d", function(config, parserConfig) { 15 var indentUnit = config.indentUnit, 16 statementIndentUnit = parserConfig.statementIndentUnit || indentUnit, 17 keywords = parserConfig.keywords || {}, 18 builtin = parserConfig.builtin || {}, 19 blockKeywords = parserConfig.blockKeywords || {}, 20 atoms = parserConfig.atoms || {}, 21 hooks = parserConfig.hooks || {}, 22 multiLineStrings = parserConfig.multiLineStrings; 23 var isOperatorChar = /[+\-*&%=<>!?|\/]/; 24 25 var curPunc; 26 27 function tokenBase(stream, state) { 28 var ch = stream.next(); 29 if (hooks[ch]) { 30 var result = hooks[ch](stream, state); 31 if (result !== false) return result; 32 } 33 if (ch == '"' || ch == "'" || ch == "`") { 34 state.tokenize = tokenString(ch); 35 return state.tokenize(stream, state); 36 } 37 if (/[\[\]{}\(\),;\:\.]/.test(ch)) { 38 curPunc = ch; 39 return null; 40 } 41 if (/\d/.test(ch)) { 42 stream.eatWhile(/[\w\.]/); 43 return "number"; 44 } 45 if (ch == "/") { 46 if (stream.eat("+")) { 47 state.tokenize = tokenNestedComment; 48 return tokenNestedComment(stream, state); 49 } 50 if (stream.eat("*")) { 51 state.tokenize = tokenComment; 52 return tokenComment(stream, state); 53 } 54 if (stream.eat("/")) { 55 stream.skipToEnd(); 56 return "comment"; 57 } 58 } 59 if (isOperatorChar.test(ch)) { 60 stream.eatWhile(isOperatorChar); 61 return "operator"; 62 } 63 stream.eatWhile(/[\w\$_\xa1-\uffff]/); 64 var cur = stream.current(); 65 if (keywords.propertyIsEnumerable(cur)) { 66 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; 67 return "keyword"; 68 } 69 if (builtin.propertyIsEnumerable(cur)) { 70 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; 71 return "builtin"; 72 } 73 if (atoms.propertyIsEnumerable(cur)) return "atom"; 74 return "variable"; 75 } 76 77 function tokenString(quote) { 78 return function(stream, state) { 79 var escaped = false, next, end = false; 80 while ((next = stream.next()) != null) { 81 if (next == quote && !escaped) {end = true; break;} 82 escaped = !escaped && next == "\\"; 83 } 84 if (end || !(escaped || multiLineStrings)) 85 state.tokenize = null; 86 return "string"; 87 }; 88 } 89 90 function tokenComment(stream, state) { 91 var maybeEnd = false, ch; 92 while (ch = stream.next()) { 93 if (ch == "/" && maybeEnd) { 94 state.tokenize = null; 95 break; 96 } 97 maybeEnd = (ch == "*"); 98 } 99 return "comment"; 100 } 101 102 function tokenNestedComment(stream, state) { 103 var maybeEnd = false, ch; 104 while (ch = stream.next()) { 105 if (ch == "/" && maybeEnd) { 106 state.tokenize = null; 107 break; 108 } 109 maybeEnd = (ch == "+"); 110 } 111 return "comment"; 112 } 113 114 function Context(indented, column, type, align, prev) { 115 this.indented = indented; 116 this.column = column; 117 this.type = type; 118 this.align = align; 119 this.prev = prev; 120 } 121 function pushContext(state, col, type) { 122 var indent = state.indented; 123 if (state.context && state.context.type == "statement") 124 indent = state.context.indented; 125 return state.context = new Context(indent, col, type, null, state.context); 126 } 127 function popContext(state) { 128 var t = state.context.type; 129 if (t == ")" || t == "]" || t == "}") 130 state.indented = state.context.indented; 131 return state.context = state.context.prev; 132 } 133 134 // Interface 135 136 return { 137 startState: function(basecolumn) { 138 return { 139 tokenize: null, 140 context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), 141 indented: 0, 142 startOfLine: true 143 }; 144 }, 145 146 token: function(stream, state) { 147 var ctx = state.context; 148 if (stream.sol()) { 149 if (ctx.align == null) ctx.align = false; 150 state.indented = stream.indentation(); 151 state.startOfLine = true; 152 } 153 if (stream.eatSpace()) return null; 154 curPunc = null; 155 var style = (state.tokenize || tokenBase)(stream, state); 156 if (style == "comment" || style == "meta") return style; 157 if (ctx.align == null) ctx.align = true; 158 159 if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state); 160 else if (curPunc == "{") pushContext(state, stream.column(), "}"); 161 else if (curPunc == "[") pushContext(state, stream.column(), "]"); 162 else if (curPunc == "(") pushContext(state, stream.column(), ")"); 163 else if (curPunc == "}") { 164 while (ctx.type == "statement") ctx = popContext(state); 165 if (ctx.type == "}") ctx = popContext(state); 166 while (ctx.type == "statement") ctx = popContext(state); 167 } 168 else if (curPunc == ctx.type) popContext(state); 169 else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement")) 170 pushContext(state, stream.column(), "statement"); 171 state.startOfLine = false; 172 return style; 173 }, 174 175 indent: function(state, textAfter) { 176 if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass; 177 var ctx = state.context, firstChar = textAfter && textAfter.charAt(0); 178 if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev; 179 var closing = firstChar == ctx.type; 180 if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit); 181 else if (ctx.align) return ctx.column + (closing ? 0 : 1); 182 else return ctx.indented + (closing ? 0 : indentUnit); 183 }, 184 185 electricChars: "{}" 186 }; 187 }); 188 189 function words(str) { 190 var obj = {}, words = str.split(" "); 191 for (var i = 0; i < words.length; ++i) obj[words[i]] = true; 192 return obj; 193 } 194 195 var blockKeywords = "body catch class do else enum for foreach foreach_reverse if in interface mixin " + 196 "out scope struct switch try union unittest version while with"; 197 198 CodeMirror.defineMIME("text/x-d", { 199 name: "d", 200 keywords: words("abstract alias align asm assert auto break case cast cdouble cent cfloat const continue " + 201 "debug default delegate delete deprecated export extern final finally function goto immutable " + 202 "import inout invariant is lazy macro module new nothrow override package pragma private " + 203 "protected public pure ref return shared short static super synchronized template this " + 204 "throw typedef typeid typeof volatile __FILE__ __LINE__ __gshared __traits __vector __parameters " + 205 blockKeywords), 206 blockKeywords: words(blockKeywords), 207 builtin: words("bool byte char creal dchar double float idouble ifloat int ireal long real short ubyte " + 208 "ucent uint ulong ushort wchar wstring void size_t sizediff_t"), 209 atoms: words("exit failure success true false null"), 210 hooks: { 211 "@": function(stream, _state) { 212 stream.eatWhile(/[\w\$_]/); 213 return "meta"; 214 } 215 } 216 }); 217 218 });