General.Web/wwwroot/lib/codemirror-5.31.0/mode/vhdl/vhdl.js

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// 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);
    }