public static System.Collections.Generic.List <string> LexWithAntlr(string text)
{
System.Collections.Generic.List <string> ls = new System.Collections.Generic.List <string>();
System.IO.StringReader reader = new System.IO.StringReader(text);
// Antlr4.Runtime.AntlrInputStream input = new Antlr4.Runtime.AntlrInputStream(reader);
Antlr4.Runtime.ICharStream input1 = new Antlr4.Runtime.AntlrInputStream(reader);
Antlr4.Runtime.CaseChangingCharStream input = new Antlr4.Runtime.CaseChangingCharStream(input1, true);
Rfc5424Lexer lexer = new Rfc5424Lexer(input);
Antlr4.Runtime.CommonTokenStream tokenStream = new Antlr4.Runtime.CommonTokenStream(lexer);
tokenStream.Fill();
Rfc5424Parser parser = new Rfc5424Parser(tokenStream);
Rfc5424Parser.Syslog_msgContext msgContext = parser.syslog_msg();
RfcVisitor vis = new RfcVisitor();
string s = vis.Visit(msgContext);
Antlr4.Runtime.Tree.ParseTreeWalker walker = new Antlr4.Runtime.Tree.ParseTreeWalker();
// AntlrTsqListener listener = new AntlrTsqListener();
EverythingListener listener = new EverythingListener();
// walker.Walk(listener, msgContext);
// new EverythingListener().EnterBom(parser.bom());
// new EverythingListener().EnterTimestamp(parser.timestamp());
// new EverythingListener().EnterEveryRule(parser.version());
// new EverythingListener().EnterEveryRule(parser.timestamp());
// var x = parser.msg();
var x = parser.timestamp();
Antlr4.Runtime.Misc.Interval msgInt = x.SourceInterval; // new Antlr4.Runtime.Misc.Interval(lastIndex, token.StopIndex);
string extractedMsg = tokenStream.GetText(msgInt);
System.Console.WriteLine(extractedMsg);
int lastIndex = 0;
foreach (Antlr4.Runtime.IToken token in tokenStream.GetTokens())
{
// System.Console.WriteLine(token.Text);
string tokenTypeName = lexer.Vocabulary.GetSymbolicName(token.Type);
Antlr4.Runtime.Misc.Interval ival = new Antlr4.Runtime.Misc.Interval(lastIndex, token.StopIndex);
string extracted = token.InputStream.GetText(ival);
// table_name, cte_name: ID, SQUARE_BRACKET_ID
// Local variables: LOCAL_ID
lastIndex = token.StopIndex + 1;
} // Next token
return(ls);
}
/// <summary>
/// Visit a parse tree produced by <see cref="Rfc5424Parser.syslog_msg"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitSyslog_msg([NotNull] Rfc5424Parser.Syslog_msgContext context)
{
return(VisitChildren(context));
}
