Exemplo n.º 1
0
 /// <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();
         }
     }
 }