groovy.js (7904B)
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("groovy", function(config) { 15 function words(str) { 16 var obj = {}, words = str.split(" "); 17 for (var i = 0; i < words.length; ++i) obj[words[i]] = true; 18 return obj; 19 } 20 var keywords = words( 21 "abstract as assert boolean break byte case catch char class const continue def default " + 22 "do double else enum extends final finally float for goto if implements import in " + 23 "instanceof int interface long native new package private protected public return " + 24 "short static strictfp super switch synchronized threadsafe throw throws trait transient " + 25 "try void volatile while"); 26 var blockKeywords = words("catch class def do else enum finally for if interface switch trait try while"); 27 var standaloneKeywords = words("return break continue"); 28 var atoms = words("null true false this"); 29 30 var curPunc; 31 function tokenBase(stream, state) { 32 var ch = stream.next(); 33 if (ch == '"' || ch == "'") { 34 return startString(ch, stream, state); 35 } 36 if (/[\[\]{}\(\),;\:\.]/.test(ch)) { 37 curPunc = ch; 38 return null; 39 } 40 if (/\d/.test(ch)) { 41 stream.eatWhile(/[\w\.]/); 42 if (stream.eat(/eE/)) { stream.eat(/\+\-/); stream.eatWhile(/\d/); } 43 return "number"; 44 } 45 if (ch == "/") { 46 if (stream.eat("*")) { 47 state.tokenize.push(tokenComment); 48 return tokenComment(stream, state); 49 } 50 if (stream.eat("/")) { 51 stream.skipToEnd(); 52 return "comment"; 53 } 54 if (expectExpression(state.lastToken, false)) { 55 return startString(ch, stream, state); 56 } 57 } 58 if (ch == "-" && stream.eat(">")) { 59 curPunc = "->"; 60 return null; 61 } 62 if (/[+\-*&%=<>!?|\/~]/.test(ch)) { 63 stream.eatWhile(/[+\-*&%=<>|~]/); 64 return "operator"; 65 } 66 stream.eatWhile(/[\w\$_]/); 67 if (ch == "@") { stream.eatWhile(/[\w\$_\.]/); return "meta"; } 68 if (state.lastToken == ".") return "property"; 69 if (stream.eat(":")) { curPunc = "proplabel"; return "property"; } 70 var cur = stream.current(); 71 if (atoms.propertyIsEnumerable(cur)) { return "atom"; } 72 if (keywords.propertyIsEnumerable(cur)) { 73 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; 74 else if (standaloneKeywords.propertyIsEnumerable(cur)) curPunc = "standalone"; 75 return "keyword"; 76 } 77 return "variable"; 78 } 79 tokenBase.isBase = true; 80 81 function startString(quote, stream, state) { 82 var tripleQuoted = false; 83 if (quote != "/" && stream.eat(quote)) { 84 if (stream.eat(quote)) tripleQuoted = true; 85 else return "string"; 86 } 87 function t(stream, state) { 88 var escaped = false, next, end = !tripleQuoted; 89 while ((next = stream.next()) != null) { 90 if (next == quote && !escaped) { 91 if (!tripleQuoted) { break; } 92 if (stream.match(quote + quote)) { end = true; break; } 93 } 94 if (quote == '"' && next == "$" && !escaped && stream.eat("{")) { 95 state.tokenize.push(tokenBaseUntilBrace()); 96 return "string"; 97 } 98 escaped = !escaped && next == "\\"; 99 } 100 if (end) state.tokenize.pop(); 101 return "string"; 102 } 103 state.tokenize.push(t); 104 return t(stream, state); 105 } 106 107 function tokenBaseUntilBrace() { 108 var depth = 1; 109 function t(stream, state) { 110 if (stream.peek() == "}") { 111 depth--; 112 if (depth == 0) { 113 state.tokenize.pop(); 114 return state.tokenize[state.tokenize.length-1](stream, state); 115 } 116 } else if (stream.peek() == "{") { 117 depth++; 118 } 119 return tokenBase(stream, state); 120 } 121 t.isBase = true; 122 return t; 123 } 124 125 function tokenComment(stream, state) { 126 var maybeEnd = false, ch; 127 while (ch = stream.next()) { 128 if (ch == "/" && maybeEnd) { 129 state.tokenize.pop(); 130 break; 131 } 132 maybeEnd = (ch == "*"); 133 } 134 return "comment"; 135 } 136 137 function expectExpression(last, newline) { 138 return !last || last == "operator" || last == "->" || /[\.\[\{\(,;:]/.test(last) || 139 last == "newstatement" || last == "keyword" || last == "proplabel" || 140 (last == "standalone" && !newline); 141 } 142 143 function Context(indented, column, type, align, prev) { 144 this.indented = indented; 145 this.column = column; 146 this.type = type; 147 this.align = align; 148 this.prev = prev; 149 } 150 function pushContext(state, col, type) { 151 return state.context = new Context(state.indented, col, type, null, state.context); 152 } 153 function popContext(state) { 154 var t = state.context.type; 155 if (t == ")" || t == "]" || t == "}") 156 state.indented = state.context.indented; 157 return state.context = state.context.prev; 158 } 159 160 // Interface 161 162 return { 163 startState: function(basecolumn) { 164 return { 165 tokenize: [tokenBase], 166 context: new Context((basecolumn || 0) - config.indentUnit, 0, "top", false), 167 indented: 0, 168 startOfLine: true, 169 lastToken: null 170 }; 171 }, 172 173 token: function(stream, state) { 174 var ctx = state.context; 175 if (stream.sol()) { 176 if (ctx.align == null) ctx.align = false; 177 state.indented = stream.indentation(); 178 state.startOfLine = true; 179 // Automatic semicolon insertion 180 if (ctx.type == "statement" && !expectExpression(state.lastToken, true)) { 181 popContext(state); ctx = state.context; 182 } 183 } 184 if (stream.eatSpace()) return null; 185 curPunc = null; 186 var style = state.tokenize[state.tokenize.length-1](stream, state); 187 if (style == "comment") return style; 188 if (ctx.align == null) ctx.align = true; 189 190 if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state); 191 // Handle indentation for {x -> \n ... } 192 else if (curPunc == "->" && ctx.type == "statement" && ctx.prev.type == "}") { 193 popContext(state); 194 state.context.align = false; 195 } 196 else if (curPunc == "{") pushContext(state, stream.column(), "}"); 197 else if (curPunc == "[") pushContext(state, stream.column(), "]"); 198 else if (curPunc == "(") pushContext(state, stream.column(), ")"); 199 else if (curPunc == "}") { 200 while (ctx.type == "statement") ctx = popContext(state); 201 if (ctx.type == "}") ctx = popContext(state); 202 while (ctx.type == "statement") ctx = popContext(state); 203 } 204 else if (curPunc == ctx.type) popContext(state); 205 else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement")) 206 pushContext(state, stream.column(), "statement"); 207 state.startOfLine = false; 208 state.lastToken = curPunc || style; 209 return style; 210 }, 211 212 indent: function(state, textAfter) { 213 if (!state.tokenize[state.tokenize.length-1].isBase) return CodeMirror.Pass; 214 var firstChar = textAfter && textAfter.charAt(0), ctx = state.context; 215 if (ctx.type == "statement" && !expectExpression(state.lastToken, true)) ctx = ctx.prev; 216 var closing = firstChar == ctx.type; 217 if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : config.indentUnit); 218 else if (ctx.align) return ctx.column + (closing ? 0 : 1); 219 else return ctx.indented + (closing ? 0 : config.indentUnit); 220 }, 221 222 electricChars: "{}", 223 closeBrackets: {triples: "'\""}, 224 fold: "brace" 225 }; 226 }); 227 228 CodeMirror.defineMIME("text/x-groovy", "groovy"); 229 230 });