Ejemplo n.º 1
0
    // $ANTLR start "result"
    // antlr_temp_dir\\MathExpr.g:93:1: result : program -> ^( PROGRAM program ) ;
    public MathExprParser.result_return result() // throws RecognitionException [1]
    {   
        MathExprParser.result_return retval = new MathExprParser.result_return();
        retval.Start = input.LT(1);

        object root_0 = null;

        MathExprParser.program_return program19 = default(MathExprParser.program_return);


        RewriteRuleSubtreeStream stream_program = new RewriteRuleSubtreeStream(adaptor,"rule program");
        try 
    	{
            // antlr_temp_dir\\MathExpr.g:93:7: ( program -> ^( PROGRAM program ) )
            // antlr_temp_dir\\MathExpr.g:93:9: program
            {
            	PushFollow(FOLLOW_program_in_result492);
            	program19 = program();
            	state.followingStackPointer--;

            	stream_program.Add(program19.Tree);


            	// AST REWRITE
            	// elements:          program
            	// token labels:      
            	// rule labels:       retval
            	// token list labels: 
            	// rule list labels:  
            	// wildcard labels: 
            	retval.Tree = root_0;
            	RewriteRuleSubtreeStream stream_retval = new RewriteRuleSubtreeStream(adaptor, "rule retval", retval!=null ? retval.Tree : null);

            	root_0 = (object)adaptor.GetNilNode();
            	// 93:17: -> ^( PROGRAM program )
            	{
            	    // antlr_temp_dir\\MathExpr.g:93:20: ^( PROGRAM program )
            	    {
            	    object root_1 = (object)adaptor.GetNilNode();
            	    root_1 = (object)adaptor.BecomeRoot((object)adaptor.Create(PROGRAM, "PROGRAM"), root_1);

            	    adaptor.AddChild(root_1, stream_program.NextTree());

            	    adaptor.AddChild(root_0, root_1);
            	    }

            	}

            	retval.Tree = root_0;retval.Tree = root_0;
            }

            retval.Stop = input.LT(-1);

            	retval.Tree = (object)adaptor.RulePostProcessing(root_0);
            	adaptor.SetTokenBoundaries(retval.Tree, (IToken) retval.Start, (IToken) retval.Stop);
        }
        catch (RecognitionException re) 
    	{
            ReportError(re);
            Recover(input,re);
    	// Conversion of the second argument necessary, but harmless
    	retval.Tree = (object)adaptor.ErrorNode(input, (IToken) retval.Start, input.LT(-1), re);

        }
        finally 
    	{
        }
        return retval;
    }
Ejemplo n.º 2
0
    // $ANTLR start "result"
    // MathExpr.g:150:1: result : program -> ^( PROGRAM program ) ;
    public MathExprParser.result_return result() // throws RecognitionException [1]
    {   
        MathExprParser.result_return retval = new MathExprParser.result_return();
        retval.Start = input.LT(1);
        int result_StartIndex = input.Index();
        AstNode root_0 = null;

        MathExprParser.program_return program108 = default(MathExprParser.program_return);


        RewriteRuleSubtreeStream stream_program = new RewriteRuleSubtreeStream(adaptor,"rule program");
        try 
    	{
    	    if ( (state.backtracking > 0) && AlreadyParsedRule(input, 25) ) 
    	    {
    	    	return retval; 
    	    }
            // MathExpr.g:150:7: ( program -> ^( PROGRAM program ) )
            // MathExpr.g:150:9: program
            {
            	PushFollow(FOLLOW_program_in_result1579);
            	program108 = program();
            	state.followingStackPointer--;
            	if (state.failed) return retval;
            	if ( (state.backtracking==0) ) stream_program.Add(program108.Tree);


            	// AST REWRITE
            	// elements:          program
            	// token labels:      
            	// rule labels:       retval
            	// token list labels: 
            	// rule list labels:  
            	// wildcard labels: 
            	if ( (state.backtracking==0) ) {
            	retval.Tree = root_0;
            	RewriteRuleSubtreeStream stream_retval = new RewriteRuleSubtreeStream(adaptor, "rule retval", retval!=null ? retval.Tree : null);

            	root_0 = (AstNode)adaptor.GetNilNode();
            	// 150:17: -> ^( PROGRAM program )
            	{
            	    // MathExpr.g:150:20: ^( PROGRAM program )
            	    {
            	    AstNode root_1 = (AstNode)adaptor.GetNilNode();
            	    root_1 = (AstNode)adaptor.BecomeRoot((AstNode)adaptor.Create(PROGRAM, "PROGRAM"), root_1);

            	    adaptor.AddChild(root_1, stream_program.NextTree());

            	    adaptor.AddChild(root_0, root_1);
            	    }

            	}

            	retval.Tree = root_0;retval.Tree = root_0;}
            }

            retval.Stop = input.LT(-1);

            if ( (state.backtracking==0) )
            {	retval.Tree = (AstNode)adaptor.RulePostProcessing(root_0);
            	adaptor.SetTokenBoundaries(retval.Tree, (IToken) retval.Start, (IToken) retval.Stop);}
        }
        catch (RecognitionException re) 
    	{
            ReportError(re);
            Recover(input,re);
    	// Conversion of the second argument necessary, but harmless
    	retval.Tree = (AstNode)adaptor.ErrorNode(input, (IToken) retval.Start, input.LT(-1), re);

        }
        finally 
    	{
            if ( state.backtracking > 0 ) 
            {
            	Memoize(input, 25, result_StartIndex); 
            }
        }
        return retval;
    }