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   1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
   2  // Distributed under an MIT license: https://codemirror.net/5/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("asn.1", function(config, parserConfig) {
  15      var indentUnit = config.indentUnit,
  16          keywords = parserConfig.keywords || {},
  17          cmipVerbs = parserConfig.cmipVerbs || {},
  18          compareTypes = parserConfig.compareTypes || {},
  19          status = parserConfig.status || {},
  20          tags = parserConfig.tags || {},
  21          storage = parserConfig.storage || {},
  22          modifier = parserConfig.modifier || {},
  23          accessTypes = parserConfig.accessTypes|| {},
  24          multiLineStrings = parserConfig.multiLineStrings,
  25          indentStatements = parserConfig.indentStatements !== false;
  26      var isOperatorChar = /[\|\^]/;
  27      var curPunc;
  28  
  29      function tokenBase(stream, state) {
  30        var ch = stream.next();
  31        if (ch == '"' || ch == "'") {
  32          state.tokenize = tokenString(ch);
  33          return state.tokenize(stream, state);
  34        }
  35        if (/[\[\]\(\){}:=,;]/.test(ch)) {
  36          curPunc = ch;
  37          return "punctuation";
  38        }
  39        if (ch == "-"){
  40          if (stream.eat("-")) {
  41            stream.skipToEnd();
  42            return "comment";
  43          }
  44        }
  45        if (/\d/.test(ch)) {
  46          stream.eatWhile(/[\w\.]/);
  47          return "number";
  48        }
  49        if (isOperatorChar.test(ch)) {
  50          stream.eatWhile(isOperatorChar);
  51          return "operator";
  52        }
  53  
  54        stream.eatWhile(/[\w\-]/);
  55        var cur = stream.current();
  56        if (keywords.propertyIsEnumerable(cur)) return "keyword";
  57        if (cmipVerbs.propertyIsEnumerable(cur)) return "variable cmipVerbs";
  58        if (compareTypes.propertyIsEnumerable(cur)) return "atom compareTypes";
  59        if (status.propertyIsEnumerable(cur)) return "comment status";
  60        if (tags.propertyIsEnumerable(cur)) return "variable-3 tags";
  61        if (storage.propertyIsEnumerable(cur)) return "builtin storage";
  62        if (modifier.propertyIsEnumerable(cur)) return "string-2 modifier";
  63        if (accessTypes.propertyIsEnumerable(cur)) return "atom accessTypes";
  64  
  65        return "variable";
  66      }
  67  
  68      function tokenString(quote) {
  69        return function(stream, state) {
  70          var escaped = false, next, end = false;
  71          while ((next = stream.next()) != null) {
  72            if (next == quote && !escaped){
  73              var afterNext = stream.peek();
  74              //look if the character if the quote is like the B in '10100010'B
  75              if (afterNext){
  76                afterNext = afterNext.toLowerCase();
  77                if(afterNext == "b" || afterNext == "h" || afterNext == "o")
  78                  stream.next();
  79              }
  80              end = true; break;
  81            }
  82            escaped = !escaped && next == "\\";
  83          }
  84          if (end || !(escaped || multiLineStrings))
  85            state.tokenize = null;
  86          return "string";
  87        };
  88      }
  89  
  90      function Context(indented, column, type, align, prev) {
  91        this.indented = indented;
  92        this.column = column;
  93        this.type = type;
  94        this.align = align;
  95        this.prev = prev;
  96      }
  97      function pushContext(state, col, type) {
  98        var indent = state.indented;
  99        if (state.context && state.context.type == "statement")
 100          indent = state.context.indented;
 101        return state.context = new Context(indent, col, type, null, state.context);
 102      }
 103      function popContext(state) {
 104        var t = state.context.type;
 105        if (t == ")" || t == "]" || t == "}")
 106          state.indented = state.context.indented;
 107        return state.context = state.context.prev;
 108      }
 109  
 110      //Interface
 111      return {
 112        startState: function(basecolumn) {
 113          return {
 114            tokenize: null,
 115            context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
 116            indented: 0,
 117            startOfLine: true
 118          };
 119        },
 120  
 121        token: function(stream, state) {
 122          var ctx = state.context;
 123          if (stream.sol()) {
 124            if (ctx.align == null) ctx.align = false;
 125            state.indented = stream.indentation();
 126            state.startOfLine = true;
 127          }
 128          if (stream.eatSpace()) return null;
 129          curPunc = null;
 130          var style = (state.tokenize || tokenBase)(stream, state);
 131          if (style == "comment") return style;
 132          if (ctx.align == null) ctx.align = true;
 133  
 134          if ((curPunc == ";" || curPunc == ":" || curPunc == ",")
 135              && ctx.type == "statement"){
 136            popContext(state);
 137          }
 138          else if (curPunc == "{") pushContext(state, stream.column(), "}");
 139          else if (curPunc == "[") pushContext(state, stream.column(), "]");
 140          else if (curPunc == "(") pushContext(state, stream.column(), ")");
 141          else if (curPunc == "}") {
 142            while (ctx.type == "statement") ctx = popContext(state);
 143            if (ctx.type == "}") ctx = popContext(state);
 144            while (ctx.type == "statement") ctx = popContext(state);
 145          }
 146          else if (curPunc == ctx.type) popContext(state);
 147          else if (indentStatements && (((ctx.type == "}" || ctx.type == "top")
 148              && curPunc != ';') || (ctx.type == "statement"
 149              && curPunc == "newstatement")))
 150            pushContext(state, stream.column(), "statement");
 151  
 152          state.startOfLine = false;
 153          return style;
 154        },
 155  
 156        electricChars: "{}",
 157        lineComment: "--",
 158        fold: "brace"
 159      };
 160    });
 161  
 162    function words(str) {
 163      var obj = {}, words = str.split(" ");
 164      for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
 165      return obj;
 166    }
 167  
 168    CodeMirror.defineMIME("text/x-ttcn-asn", {
 169      name: "asn.1",
 170      keywords: words("DEFINITIONS OBJECTS IF DERIVED INFORMATION ACTION" +
 171      " REPLY ANY NAMED CHARACTERIZED BEHAVIOUR REGISTERED" +
 172      " WITH AS IDENTIFIED CONSTRAINED BY PRESENT BEGIN" +
 173      " IMPORTS FROM UNITS SYNTAX MIN-ACCESS MAX-ACCESS" +
 174      " MINACCESS MAXACCESS REVISION STATUS DESCRIPTION" +
 175      " SEQUENCE SET COMPONENTS OF CHOICE DistinguishedName" +
 176      " ENUMERATED SIZE MODULE END INDEX AUGMENTS EXTENSIBILITY" +
 177      " IMPLIED EXPORTS"),
 178      cmipVerbs: words("ACTIONS ADD GET NOTIFICATIONS REPLACE REMOVE"),
 179      compareTypes: words("OPTIONAL DEFAULT MANAGED MODULE-TYPE MODULE_IDENTITY" +
 180      " MODULE-COMPLIANCE OBJECT-TYPE OBJECT-IDENTITY" +
 181      " OBJECT-COMPLIANCE MODE CONFIRMED CONDITIONAL" +
 182      " SUBORDINATE SUPERIOR CLASS TRUE FALSE NULL" +
 183      " TEXTUAL-CONVENTION"),
 184      status: words("current deprecated mandatory obsolete"),
 185      tags: words("APPLICATION AUTOMATIC EXPLICIT IMPLICIT PRIVATE TAGS" +
 186      " UNIVERSAL"),
 187      storage: words("BOOLEAN INTEGER OBJECT IDENTIFIER BIT OCTET STRING" +
 188      " UTCTime InterfaceIndex IANAifType CMIP-Attribute" +
 189      " REAL PACKAGE PACKAGES IpAddress PhysAddress" +
 190      " NetworkAddress BITS BMPString TimeStamp TimeTicks" +
 191      " TruthValue RowStatus DisplayString GeneralString" +
 192      " GraphicString IA5String NumericString" +
 193      " PrintableString SnmpAdminString TeletexString" +
 194      " UTF8String VideotexString VisibleString StringStore" +
 195      " ISO646String T61String UniversalString Unsigned32" +
 196      " Integer32 Gauge Gauge32 Counter Counter32 Counter64"),
 197      modifier: words("ATTRIBUTE ATTRIBUTES MANDATORY-GROUP MANDATORY-GROUPS" +
 198      " GROUP GROUPS ELEMENTS EQUALITY ORDERING SUBSTRINGS" +
 199      " DEFINED"),
 200      accessTypes: words("not-accessible accessible-for-notify read-only" +
 201      " read-create read-write"),
 202      multiLineStrings: true
 203    });
 204  });