File modules/editor/codemirror/mode/go/go.js
Last commit: Sun Dec 17 01:14:09 2017 +0100 Jan Dankert Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.
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("go", function(config) { 15 var indentUnit = config.indentUnit; 16 17 var keywords = { 18 "break":true, "case":true, "chan":true, "const":true, "continue":true, 19 "default":true, "defer":true, "else":true, "fallthrough":true, "for":true, 20 "func":true, "go":true, "goto":true, "if":true, "import":true, 21 "interface":true, "map":true, "package":true, "range":true, "return":true, 22 "select":true, "struct":true, "switch":true, "type":true, "var":true, 23 "bool":true, "byte":true, "complex64":true, "complex128":true, 24 "float32":true, "float64":true, "int8":true, "int16":true, "int32":true, 25 "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true, 26 "uint64":true, "int":true, "uint":true, "uintptr":true, "error": true, 27 "rune":true 28 }; 29 30 var atoms = { 31 "true":true, "false":true, "iota":true, "nil":true, "append":true, 32 "cap":true, "close":true, "complex":true, "copy":true, "delete":true, "imag":true, 33 "len":true, "make":true, "new":true, "panic":true, "print":true, 34 "println":true, "real":true, "recover":true 35 }; 36 37 var isOperatorChar = /[+\-*&^%:=<>!|\/]/; 38 39 var curPunc; 40 41 function tokenBase(stream, state) { 42 var ch = stream.next(); 43 if (ch == '"' || ch == "'" || ch == "`") { 44 state.tokenize = tokenString(ch); 45 return state.tokenize(stream, state); 46 } 47 if (/[\d\.]/.test(ch)) { 48 if (ch == ".") { 49 stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/); 50 } else if (ch == "0") { 51 stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/); 52 } else { 53 stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/); 54 } 55 return "number"; 56 } 57 if (/[\[\]{}\(\),;\:\.]/.test(ch)) { 58 curPunc = ch; 59 return null; 60 } 61 if (ch == "/") { 62 if (stream.eat("*")) { 63 state.tokenize = tokenComment; 64 return tokenComment(stream, state); 65 } 66 if (stream.eat("/")) { 67 stream.skipToEnd(); 68 return "comment"; 69 } 70 } 71 if (isOperatorChar.test(ch)) { 72 stream.eatWhile(isOperatorChar); 73 return "operator"; 74 } 75 stream.eatWhile(/[\w\$_\xa1-\uffff]/); 76 var cur = stream.current(); 77 if (keywords.propertyIsEnumerable(cur)) { 78 if (cur == "case" || cur == "default") curPunc = "case"; 79 return "keyword"; 80 } 81 if (atoms.propertyIsEnumerable(cur)) return "atom"; 82 return "variable"; 83 } 84 85 function tokenString(quote) { 86 return function(stream, state) { 87 var escaped = false, next, end = false; 88 while ((next = stream.next()) != null) { 89 if (next == quote && !escaped) {end = true; break;} 90 escaped = !escaped && quote != "`" && next == "\\"; 91 } 92 if (end || !(escaped || quote == "`")) 93 state.tokenize = tokenBase; 94 return "string"; 95 }; 96 } 97 98 function tokenComment(stream, state) { 99 var maybeEnd = false, ch; 100 while (ch = stream.next()) { 101 if (ch == "/" && maybeEnd) { 102 state.tokenize = tokenBase; 103 break; 104 } 105 maybeEnd = (ch == "*"); 106 } 107 return "comment"; 108 } 109 110 function Context(indented, column, type, align, prev) { 111 this.indented = indented; 112 this.column = column; 113 this.type = type; 114 this.align = align; 115 this.prev = prev; 116 } 117 function pushContext(state, col, type) { 118 return state.context = new Context(state.indented, col, type, null, state.context); 119 } 120 function popContext(state) { 121 if (!state.context.prev) return; 122 var t = state.context.type; 123 if (t == ")" || t == "]" || t == "}") 124 state.indented = state.context.indented; 125 return state.context = state.context.prev; 126 } 127 128 // Interface 129 130 return { 131 startState: function(basecolumn) { 132 return { 133 tokenize: null, 134 context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), 135 indented: 0, 136 startOfLine: true 137 }; 138 }, 139 140 token: function(stream, state) { 141 var ctx = state.context; 142 if (stream.sol()) { 143 if (ctx.align == null) ctx.align = false; 144 state.indented = stream.indentation(); 145 state.startOfLine = true; 146 if (ctx.type == "case") ctx.type = "}"; 147 } 148 if (stream.eatSpace()) return null; 149 curPunc = null; 150 var style = (state.tokenize || tokenBase)(stream, state); 151 if (style == "comment") return style; 152 if (ctx.align == null) ctx.align = true; 153 154 if (curPunc == "{") pushContext(state, stream.column(), "}"); 155 else if (curPunc == "[") pushContext(state, stream.column(), "]"); 156 else if (curPunc == "(") pushContext(state, stream.column(), ")"); 157 else if (curPunc == "case") ctx.type = "case"; 158 else if (curPunc == "}" && ctx.type == "}") popContext(state); 159 else if (curPunc == ctx.type) popContext(state); 160 state.startOfLine = false; 161 return style; 162 }, 163 164 indent: function(state, textAfter) { 165 if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass; 166 var ctx = state.context, firstChar = textAfter && textAfter.charAt(0); 167 if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) { 168 state.context.type = "}"; 169 return ctx.indented; 170 } 171 var closing = firstChar == ctx.type; 172 if (ctx.align) return ctx.column + (closing ? 0 : 1); 173 else return ctx.indented + (closing ? 0 : indentUnit); 174 }, 175 176 electricChars: "{}):", 177 closeBrackets: "()[]{}''\"\"``", 178 fold: "brace", 179 blockCommentStart: "/*", 180 blockCommentEnd: "*/", 181 lineComment: "//" 182 }; 183 }); 184 185 CodeMirror.defineMIME("text/x-go", "go"); 186 187 });
Downloadmodules/editor/codemirror/mode/go/go.js
History Sun, 17 Dec 2017 01:14:09 +0100 Jan Dankert Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.