Antlr3.Tool.Grammar.ParseAndBuildAST C# (CSharp) Method

        public virtual void ParseAndBuildAST()
        {
            using ( System.IO.TextReader reader = System.IO.File.OpenText( fileName ) )
            {
                ParseAndBuildAST( reader );
            }
        }

        public void Test3LevelImport()
        {
            ErrorQueue equeue = new ErrorQueue();
            ErrorManager.SetErrorListener( equeue );
            string slave =
                "parser grammar T;\n" +
                "a : T ;\n";
            mkdir( tmpdir );
            writeFile( tmpdir, "T.g", slave );
            string slave2 =
                "parser grammar S;\n" + // A, B, C token type order
                "import T;\n" +
                "a : S ;\n";
            mkdir( tmpdir );
            writeFile( tmpdir, "S.g", slave2 );

            string master =
                "grammar M;\n" +
                "import S;\n" +
                "a : M ;\n";
            writeFile( tmpdir, "M.g", master );
            AntlrTool antlr = newTool( new string[] { "-lib", tmpdir } );
            CompositeGrammar composite = new CompositeGrammar();
            Grammar g = new Grammar( antlr, tmpdir + "/M.g", composite );
            composite.SetDelegationRoot( g );
            g.ParseAndBuildAST();
            g.composite.AssignTokenTypes();
            g.composite.DefineGrammarSymbols();

            string expectedTokenIDToTypeMap = "[M=6, S=5, T=4]";
            string expectedStringLiteralToTypeMap = "{}";
            string expectedTypeToTokenList = "[T, S, M]";

            assertEquals( expectedTokenIDToTypeMap,
                         realElements( g.composite.tokenIDToTypeMap ).ToElementString() );
            assertEquals( expectedStringLiteralToTypeMap, g.composite.stringLiteralToTypeMap.ToElementString() );
            assertEquals( expectedTypeToTokenList,
                         realElements( g.composite.typeToTokenList ).ToElementString() );

            assertEquals( "unexpected errors: " + equeue, 0, equeue.errors.Count );

            bool ok =
                rawGenerateAndBuildRecognizer( "M.g", master, "MParser", null, false );
            bool expecting = true; // should be ok
            assertEquals( expecting, ok );
        }