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Editing: vhdl.js
// CodeMirror, copyright (c) by Marijn Haverbeke and others // Distributed under an MIT license: http://codemirror.net/LICENSE // Originally written by Alf Nielsen, re-written by Michael Zhou (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS mod(require("../../lib/codemirror")); else if (typeof define == "function" && define.amd) // AMD define(["../../lib/codemirror"], mod); else // Plain browser env mod(CodeMirror); })(function(CodeMirror) { "use strict"; function words(str) { var obj = {}, words = str.split(","); for (var i = 0; i < words.length; ++i) { var allCaps = words[i].toUpperCase(); var firstCap = words[i].charAt(0).toUpperCase() + words[i].slice(1); obj[words[i]] = true; obj[allCaps] = true; obj[firstCap] = true; } return obj; } function metaHook(stream) { stream.eatWhile(/[\w\$_]/); return "meta"; } CodeMirror.defineMode("vhdl", function(config, parserConfig) { var indentUnit = config.indentUnit, atoms = parserConfig.atoms || words("null"), hooks = parserConfig.hooks || {"`": metaHook, "$": metaHook}, multiLineStrings = parserConfig.multiLineStrings; var keywords = words("abs,access,after,alias,all,and,architecture,array,assert,attribute,begin,block," + "body,buffer,bus,case,component,configuration,constant,disconnect,downto,else,elsif,end,end block,end case," + "end component,end for,end generate,end if,end loop,end process,end record,end units,entity,exit,file,for," + "function,generate,generic,generic map,group,guarded,if,impure,in,inertial,inout,is,label,library,linkage," + "literal,loop,map,mod,nand,new,next,nor,null,of,on,open,or,others,out,package,package body,port,port map," + "postponed,procedure,process,pure,range,record,register,reject,rem,report,return,rol,ror,select,severity,signal," + "sla,sll,sra,srl,subtype,then,to,transport,type,unaffected,units,until,use,variable,wait,when,while,with,xnor,xor"); var blockKeywords = words("architecture,entity,begin,case,port,else,elsif,end,for,function,if"); var isOperatorChar = /[&|~><!\)\(*#%@+\/=?\:;}{,\.\^\-\[\]]/; var curPunc; function tokenBase(stream, state) { var ch = stream.next(); if (hooks[ch]) { var result = hooks[ch](stream, state); if (result !== false) return result; } if (ch == '"') { state.tokenize = tokenString2(ch); return state.tokenize(stream, state); } if (ch == "'") { state.tokenize = tokenString(ch); return state.tokenize(stream, state); } if (/[\[\]{}\(\),;\:\.]/.test(ch)) { curPunc = ch; return null; } if (/[\d']/.test(ch)) { stream.eatWhile(/[\w\.']/); return "number"; } if (ch == "-") { if (stream.eat("-")) { stream.skipToEnd(); return "comment"; } } if (isOperatorChar.test(ch)) { stream.eatWhile(isOperatorChar); return "operator"; } stream.eatWhile(/[\w\$_]/); var cur = stream.current(); if (keywords.propertyIsEnumerable(cur.toLowerCase())) { if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement"; return "keyword"; } if (atoms.propertyIsEnumerable(cur)) return "atom"; return "variable"; } function tokenString(quote) { return function(stream, state) { var escaped = false, next, end = false; while ((next = stream.next()) != null) { if (next == quote && !escaped) {end = true; break;} escaped = !escaped && next == "--"; } if (end || !(escaped || multiLineStrings)) state.tokenize = tokenBase; return "string"; }; } function tokenString2(quote) { return function(stream, state) { var escaped = false, next, end = false; while ((next = stream.next()) != null) { if (next == quote && !escaped) {end = true; break;} escaped = !escaped && next == "--"; } if (end || !(escaped || multiLineStrings)) state.tokenize = tokenBase; return "string-2"; }; } function Context(indented, column, type, align, prev) { this.indented = indented; this.column = column; this.type = type; this.align = align; this.prev = prev; } function pushContext(state, col, type) { return state.context = new Context(state.indented, col, type, null, state.context); } function popContext(state) { var t = state.context.type; if (t == ")" || t == "]" || t == "}") state.indented = state.context.indented; return state.context = state.context.prev; } // Interface return { startState: function(basecolumn) { return { tokenize: null, context: new Context((basecolumn || 0) - indentUnit, 0, "top", false), indented: 0, startOfLine: true }; }, token: function(stream, state) { var ctx = state.context; if (stream.sol()) { if (ctx.align == null) ctx.align = false; state.indented = stream.indentation(); state.startOfLine = true; } if (stream.eatSpace()) return null; curPunc = null; var style = (state.tokenize || tokenBase)(stream, state); if (style == "comment" || style == "meta") return style; if (ctx.align == null) ctx.align = true; if ((curPunc == ";" || curPunc == ":") && ctx.type == "statement") popContext(state); else if (curPunc == "{") pushContext(state, stream.column(), "}"); else if (curPunc == "[") pushContext(state, stream.column(), "]"); else if (curPunc == "(") pushContext(state, stream.column(), ")"); else if (curPunc == "}") { while (ctx.type == "statement") ctx = popContext(state); if (ctx.type == "}") ctx = popContext(state); while (ctx.type == "statement") ctx = popContext(state); } else if (curPunc == ctx.type) popContext(state); else if (ctx.type == "}" || ctx.type == "top" || (ctx.type == "statement" && curPunc == "newstatement")) pushContext(state, stream.column(), "statement"); state.startOfLine = false; return style; }, indent: function(state, textAfter) { if (state.tokenize != tokenBase && state.tokenize != null) return 0; var firstChar = textAfter && textAfter.charAt(0), ctx = state.context, closing = firstChar == ctx.type; if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : indentUnit); else if (ctx.align) return ctx.column + (closing ? 0 : 1); else return ctx.indented + (closing ? 0 : indentUnit); }, electricChars: "{}" }; }); CodeMirror.defineMIME("text/x-vhdl", "vhdl"); });
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