Antlr4.Tool.Grammar.GetTokenDisplayName C# (CSharp) Method

        public virtual string GetTokenDisplayName(int ttype)
        {
            // inside any target's char range and is lexer grammar?
            if (IsLexer() &&
                 ttype >= Lexer.MinCharValue && ttype <= Lexer.MaxCharValue)
            {
                return CharSupport.GetANTLRCharLiteralForChar(ttype);
            }

            if (ttype == TokenConstants.Eof)
            {
                return "EOF";
            }

            if (ttype == TokenConstants.InvalidType)
            {
                return INVALID_TOKEN_NAME;
            }

            if (ttype >= 0 && ttype < typeToStringLiteralList.Count && typeToStringLiteralList[ttype] != null)
            {
                return typeToStringLiteralList[ttype];
            }

            if (ttype >= 0 && ttype < typeToTokenList.Count && typeToTokenList[ttype] != null)
            {
                return typeToTokenList[ttype];
            }

            return ttype.ToString();
        }