File modules/editor/codemirror/mode/vhdl/vhdl.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 // Originally written by Alf Nielsen, re-written by Michael Zhou 5 (function(mod) { 6 if (typeof exports == "object" && typeof module == "object") // CommonJS 7 mod(require("../../lib/codemirror")); 8 else if (typeof define == "function" && define.amd) // AMD 9 define(["../../lib/codemirror"], mod); 10 else // Plain browser env 11 mod(CodeMirror); 12 })(function(CodeMirror) { 13 "use strict"; 14 15 function words(str) { 16 var obj = {}, words = str.split(","); 17 for (var i = 0; i < words.length; ++i) { 18 var allCaps = words[i].toUpperCase(); 19 var firstCap = words[i].charAt(0).toUpperCase() + words[i].slice(1); 20 obj[words[i]] = true; 21 obj[allCaps] = true; 22 obj[firstCap] = true; 23 } 24 return obj; 25 } 26 27 function metaHook(stream) { 28 stream.eatWhile(/[\w\$_]/); 29 return "meta"; 30 } 31 32 CodeMirror.defineMode("vhdl", function(config, parserConfig) { 33 var indentUnit = config.indentUnit, 34 atoms = parserConfig.atoms || words("null"), 35 hooks = parserConfig.hooks || {"`": metaHook, "$": metaHook}, 36 multiLineStrings = parserConfig.multiLineStrings; 37 38 var keywords = words("abs,access,after,alias,all,and,architecture,array,assert,attribute,begin,block," + 39 "body,buffer,bus,case,component,configuration,constant,disconnect,downto,else,elsif,end,end block,end case," + 40 "end component,end for,end generate,end if,end loop,end process,end record,end units,entity,exit,file,for," + 41 "function,generate,generic,generic map,group,guarded,if,impure,in,inertial,inout,is,label,library,linkage," + 42 "literal,loop,map,mod,nand,new,next,nor,null,of,on,open,or,others,out,package,package body,port,port map," + 43 "postponed,procedure,process,pure,range,record,register,reject,rem,report,return,rol,ror,select,severity,signal," + 44 "sla,sll,sra,srl,subtype,then,to,transport,type,unaffected,units,until,use,variable,wait,when,while,with,xnor,xor"); 45 46 var blockKeywords = words("architecture,entity,begin,case,port,else,elsif,end,for,function,if"); 47 48 var isOperatorChar = /[&|~><!\)\(*#%@+\/=?\:;}{,\.\^\-\[\]]/; 49 var curPunc; 50 51 function tokenBase(stream, state) { 52 var ch = stream.next(); 53 if (hooks[ch]) { 54 var result = hooks[ch](stream, state); 55 if (result !== false) return result; 56 } 57 if (ch == '"') { 58 state.tokenize = tokenString2(ch); 59 return state.tokenize(stream, state); 60 } 61 if (ch == "'") { 62 state.tokenize = tokenString(ch); 63 return state.tokenize(stream, state); 64 } 65 if (/[\[\]{}\(\),;\:\.]/.test(ch)) { 66 curPunc = ch; 67 return null; 68 } 69 if (/[\d']/.test(ch)) { 70 stream.eatWhile(/[\w\.']/); 71 return "number"; 72 } 73 if (ch == "-") { 74 if (stream.eat("-")) { 75 stream.skipToEnd(); 76 return "comment"; 77 } 78 } 79 if (isOperatorChar.test(ch)) { 80 stream.eatWhile(isOperatorChar); 81 return "operator"; 82 } 83 stream.eatWhile(/[\w\$_]/); 84 var cur = stream.current(); 85 if (keywords.propertyIsEnumerable(cur.toLowerCase())) { 86 if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; 87 return "keyword"; 88 } 89 if (atoms.propertyIsEnumerable(cur)) return "atom"; 90 return "variable"; 91 } 92 93 function tokenString(quote) { 94 return function(stream, state) { 95 var escaped = false, next, end = false; 96 while ((next = stream.next()) != null) { 97 if (next == quote && !escaped) {end = true; break;} 98 escaped = !escaped && next == "--"; 99 } 100 if (end || !(escaped || multiLineStrings)) 101 state.tokenize = tokenBase; 102 return "string"; 103 }; 104 } 105 function tokenString2(quote) { 106 return function(stream, state) { 107 var escaped = false, next, end = false; 108 while ((next = stream.next()) != null) { 109 if (next == quote && !escaped) {end = true; break;} 110 escaped = !escaped && next == "--"; 111 } 112 if (end || !(escaped || multiLineStrings)) 113 state.tokenize = tokenBase; 114 return "string-2"; 115 }; 116 } 117 118 function Context(indented, column, type, align, prev) { 119 this.indented = indented; 120 this.column = column; 121 this.type = type; 122 this.align = align; 123 this.prev = prev; 124 } 125 function pushContext(state, col, type) { 126 return state.context = new Context(state.indented, col, type, null, state.context); 127 } 128 function popContext(state) { 129 var t = state.context.type; 130 if (t == ")" || t == "]" || t == "}") 131 state.indented = state.context.indented; 132 return state.context = state.context.prev; 133 } 134 135 // Interface 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 == ":") && 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" || (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 0; 177 var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type; 178 if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : indentUnit); 179 else if (ctx.align) return ctx.column + (closing ? 0 : 1); 180 else return ctx.indented + (closing ? 0 : indentUnit); 181 }, 182 183 electricChars: "{}" 184 }; 185 }); 186 187 CodeMirror.defineMIME("text/x-vhdl", "vhdl"); 188 189 });
Downloadmodules/editor/codemirror/mode/vhdl/vhdl.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.