public static EsperEPL2GrammarLexer NewLexer(ICharStream input)
{
var lex = new EsperEPL2GrammarLexer(input);
lex.RemoveErrorListeners();
lex.AddErrorListener(Antlr4ErrorListener<int>.INSTANCE);
return lex;
}
private static string GetTokenText(EsperEPL2GrammarParser parser, int tokenIndex)
{
var expected = END_OF_INPUT_TEXT;
if ((tokenIndex >= 0) && (tokenIndex < parser.TokenNames.Length))
{
expected = parser.TokenNames[tokenIndex];
}
var lexerTokenParaphrases = EsperEPL2GrammarLexer.GetLexerTokenParaphrases();
if (lexerTokenParaphrases.Get(tokenIndex) != null)
{
expected = lexerTokenParaphrases.Get(tokenIndex);
}
var parserTokenParaphrases = EsperEPL2GrammarParser.GetParserTokenParaphrases();
if (parserTokenParaphrases.Get(tokenIndex) != null)
{
expected = parserTokenParaphrases.Get(tokenIndex);
}
return(expected);
}
private static string GetTokenText(EsperEPL2GrammarParser parser, int tokenIndex)
{
var expected = END_OF_INPUT_TEXT;
Vocabulary vocabulary = (Vocabulary)parser.Vocabulary;
if ((tokenIndex >= 0) && (tokenIndex <= vocabulary.getMaxTokenType()))
{
expected = parser.Vocabulary.GetSymbolicName(tokenIndex);
}
var lexerTokenParaphrases = EsperEPL2GrammarLexer.GetLexerTokenParaphrases();
if (lexerTokenParaphrases.Get(tokenIndex) != null)
{
expected = lexerTokenParaphrases.Get(tokenIndex);
}
var parserTokenParaphrases = EsperEPL2GrammarParser.GetParserTokenParaphrases();
if (parserTokenParaphrases.Get(tokenIndex) != null)
{
expected = parserTokenParaphrases.Get(tokenIndex);
}
return(expected);
}
