/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.MemberAccessException"/>
/// <exception cref="System.Reflection.TargetInvocationException"/>
/// <exception cref="Javax.Print.PrintException"/>
protected internal virtual void Process <_T0>(Lexer lexer, Type <_T0> parserClass, Parser parser, Stream @is, TextReader r)
where _T0 : Parser
{
try
{
AntlrInputStream input = new AntlrInputStream(r);
lexer.SetInputStream(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
tokens.Fill();
if (showTokens)
{
foreach (object tok in tokens.GetTokens())
{
System.Console.Out.WriteLine(tok);
}
}
if (startRuleName.Equals(LexerStartRuleName))
{
return;
}
if (diagnostics)
{
parser.AddErrorListener(new DiagnosticErrorListener());
parser.Interpreter.PredictionMode = PredictionMode.LlExactAmbigDetection;
}
if (printTree || gui || psFile != null)
{
parser.BuildParseTree = true;
}
if (Sll)
{
// overrides diagnostics
parser.Interpreter.PredictionMode = PredictionMode.Sll;
}
parser.SetInputStream(tokens);
parser.Trace = trace;
try
{
MethodInfo startRule = parserClass.GetMethod(startRuleName, (Type[])null);
ParserRuleContext tree = (ParserRuleContext)startRule.Invoke(parser, (object[])null);
if (printTree)
{
System.Console.Out.WriteLine(tree.ToStringTree(parser));
}
if (gui)
{
tree.Inspect(parser);
}
if (psFile != null)
{
tree.Save(parser, psFile);
}
}
catch (NoSuchMethodException)
{
// Generate postscript
System.Console.Error.WriteLine("No method for rule " + startRuleName + " or it has arguments");
}
}
finally
{
if (r != null)
{
r.Close();
}
if (@is != null)
{
@is.Close();
}
}
}