private CharactersInCollatingSequence CreateCharactersInCollatingSequence(CodeElementsParser.CharactersInCollatingSequenceContext context)
 {
     var chars = new CharactersInCollatingSequence();
     if (context.alphanumericValue1() != null) {
         chars.CharactersInAlphanmericValue = CobolWordsBuilder.CreateAlphanumericValue(context.alphanumericValue1());
     } else
     if (context.ordinalPositionInCollatingSequence() != null) {
         chars.OrdinalPositionInCollatingSequence = CobolWordsBuilder.CreateIntegerValue(context.ordinalPositionInCollatingSequence().integerValue());
     }
     return chars;
 }
 // --- Cobol symbol definitions and symbol references ---
 internal SymbolDefinition CreateSymbolDefinition(CodeElementsParser.SymbolDefinition1Context context, SymbolType symbolType)
 {
     AlphanumericValue nameLiteral = CreateAlphanumericValue(context.alphanumericValue1());
     var symbolDefinition = new SymbolDefinition(nameLiteral, symbolType);
     symbolInformationForTokens[nameLiteral.Token] = symbolDefinition;
     return symbolDefinition;
 }
 internal SymbolReference CreateSymbolReference(CodeElementsParser.SymbolReference1Context context, SymbolType symbolType)
 {
     AlphanumericValue nameLiteral = CreateAlphanumericValue(context.alphanumericValue1());
     var symbolReference = new SymbolReference(nameLiteral, symbolType);
     symbolInformationForTokens[nameLiteral.Token] = symbolReference;
     return symbolReference;
 }
 internal AmbiguousSymbolReference CreateAmbiguousSymbolReference(CodeElementsParser.AmbiguousSymbolReference1Context context, SymbolType[] candidateTypes)
 {
     AlphanumericValue nameLiteral = CreateAlphanumericValue(context.alphanumericValue1());
     var ambiguousSymbolReference = new AmbiguousSymbolReference(nameLiteral, candidateTypes);
     symbolInformationForTokens[nameLiteral.Token] = ambiguousSymbolReference;
     return ambiguousSymbolReference;
 }