Пример #1
0
    // $ANTLR start "ifStatement"
    // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:252:1: ifStatement : ifStat ( elseIfStat )* ( elseStat )? -> ^( IF ifStat ( elseIfStat )* ( elseStat )? ) ;
    public SGLParser.ifStatement_return ifStatement() // throws RecognitionException [1]
    {   
        SGLParser.ifStatement_return retval = new SGLParser.ifStatement_return();
        retval.Start = input.LT(1);

        object root_0 = null;

        SGLParser.ifStat_return ifStat68 = default(SGLParser.ifStat_return);

        SGLParser.elseIfStat_return elseIfStat69 = default(SGLParser.elseIfStat_return);

        SGLParser.elseStat_return elseStat70 = default(SGLParser.elseStat_return);


        RewriteRuleSubtreeStream stream_elseIfStat = new RewriteRuleSubtreeStream(adaptor,"rule elseIfStat");
        RewriteRuleSubtreeStream stream_ifStat = new RewriteRuleSubtreeStream(adaptor,"rule ifStat");
        RewriteRuleSubtreeStream stream_elseStat = new RewriteRuleSubtreeStream(adaptor,"rule elseStat");
        try 
    	{
            // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:2: ( ifStat ( elseIfStat )* ( elseStat )? -> ^( IF ifStat ( elseIfStat )* ( elseStat )? ) )
            // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:4: ifStat ( elseIfStat )* ( elseStat )?
            {
            	PushFollow(FOLLOW_ifStat_in_ifStatement834);
            	ifStat68 = ifStat();
            	state.followingStackPointer--;

            	stream_ifStat.Add(ifStat68.Tree);
            	// C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:11: ( elseIfStat )*
            	do 
            	{
            	    int alt17 = 2;
            	    int LA17_0 = input.LA(1);

            	    if ( (LA17_0 == 63) )
            	    {
            	        int LA17_1 = input.LA(2);

            	        if ( (LA17_1 == 62) )
            	        {
            	            alt17 = 1;
            	        }


            	    }


            	    switch (alt17) 
            		{
            			case 1 :
            			    // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:11: elseIfStat
            			    {
            			    	PushFollow(FOLLOW_elseIfStat_in_ifStatement836);
            			    	elseIfStat69 = elseIfStat();
            			    	state.followingStackPointer--;

            			    	stream_elseIfStat.Add(elseIfStat69.Tree);

            			    }
            			    break;

            			default:
            			    goto loop17;
            	    }
            	} while (true);

            	loop17:
            		;	// Stops C# compiler whining that label 'loop17' has no statements

            	// C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:23: ( elseStat )?
            	int alt18 = 2;
            	int LA18_0 = input.LA(1);

            	if ( (LA18_0 == 63) )
            	{
            	    alt18 = 1;
            	}
            	switch (alt18) 
            	{
            	    case 1 :
            	        // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:23: elseStat
            	        {
            	        	PushFollow(FOLLOW_elseStat_in_ifStatement839);
            	        	elseStat70 = elseStat();
            	        	state.followingStackPointer--;

            	        	stream_elseStat.Add(elseStat70.Tree);

            	        }
            	        break;

            	}



            	// AST REWRITE
            	// elements:          elseStat, ifStat, elseIfStat
            	// 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();
            	// 253:33: -> ^( IF ifStat ( elseIfStat )* ( elseStat )? )
            	{
            	    // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:36: ^( IF ifStat ( elseIfStat )* ( elseStat )? )
            	    {
            	    object root_1 = (object)adaptor.GetNilNode();
            	    root_1 = (object)adaptor.BecomeRoot((object)adaptor.Create(IF, "IF"), root_1);

            	    adaptor.AddChild(root_1, stream_ifStat.NextTree());
            	    // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:48: ( elseIfStat )*
            	    while ( stream_elseIfStat.HasNext() )
            	    {
            	        adaptor.AddChild(root_1, stream_elseIfStat.NextTree());

            	    }
            	    stream_elseIfStat.Reset();
            	    // C:\\Users\\Dominik Halfkann\\Documents\\Visual Studio 2010\\Projects\\SGLParserTester\\SGL\\AntlrParser\\SGL.g:253:60: ( elseStat )?
            	    if ( stream_elseStat.HasNext() )
            	    {
            	        adaptor.AddChild(root_1, stream_elseStat.NextTree());

            	    }
            	    stream_elseStat.Reset();

            	    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;
    }
Пример #2
0
    // $ANTLR start "ifStatement"
    // D:\\sgl4c#\\NewSGLGramma\\SGL.g:402:1: ifStatement : ifStat ( elseIfStat )* ( elseStat )? -> ^( IF ifStat ( elseIfStat )* ( elseStat )? ) ;
    public SGLParser.ifStatement_return ifStatement() // throws RecognitionException [1]
    {   
        SGLParser.ifStatement_return retval = new SGLParser.ifStatement_return();
        retval.Start = input.LT(1);
        int ifStatement_StartIndex = input.Index();
        object root_0 = null;

        SGLParser.ifStat_return ifStat167 = default(SGLParser.ifStat_return);

        SGLParser.elseIfStat_return elseIfStat168 = default(SGLParser.elseIfStat_return);

        SGLParser.elseStat_return elseStat169 = default(SGLParser.elseStat_return);


        RewriteRuleSubtreeStream stream_elseIfStat = new RewriteRuleSubtreeStream(adaptor,"rule elseIfStat");
        RewriteRuleSubtreeStream stream_ifStat = new RewriteRuleSubtreeStream(adaptor,"rule ifStat");
        RewriteRuleSubtreeStream stream_elseStat = new RewriteRuleSubtreeStream(adaptor,"rule elseStat");
        try 
    	{
    	    if ( (state.backtracking > 0) && AlreadyParsedRule(input, 41) ) 
    	    {
    	    	return retval; 
    	    }
            // D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:2: ( ifStat ( elseIfStat )* ( elseStat )? -> ^( IF ifStat ( elseIfStat )* ( elseStat )? ) )
            // D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:4: ifStat ( elseIfStat )* ( elseStat )?
            {
            	PushFollow(FOLLOW_ifStat_in_ifStatement1850);
            	ifStat167 = ifStat();
            	state.followingStackPointer--;
            	if (state.failed) return retval;
            	if ( (state.backtracking==0) ) stream_ifStat.Add(ifStat167.Tree);
            	// D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:11: ( elseIfStat )*
            	do 
            	{
            	    int alt49 = 2;
            	    int LA49_0 = input.LA(1);

            	    if ( (LA49_0 == 88) )
            	    {
            	        int LA49_1 = input.LA(2);

            	        if ( (LA49_1 == 87) )
            	        {
            	            alt49 = 1;
            	        }


            	    }


            	    switch (alt49) 
            		{
            			case 1 :
            			    // D:\\sgl4c#\\NewSGLGramma\\SGL.g:0:0: elseIfStat
            			    {
            			    	PushFollow(FOLLOW_elseIfStat_in_ifStatement1852);
            			    	elseIfStat168 = elseIfStat();
            			    	state.followingStackPointer--;
            			    	if (state.failed) return retval;
            			    	if ( (state.backtracking==0) ) stream_elseIfStat.Add(elseIfStat168.Tree);

            			    }
            			    break;

            			default:
            			    goto loop49;
            	    }
            	} while (true);

            	loop49:
            		;	// Stops C# compiler whining that label 'loop49' has no statements

            	// D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:23: ( elseStat )?
            	int alt50 = 2;
            	int LA50_0 = input.LA(1);

            	if ( (LA50_0 == 88) )
            	{
            	    alt50 = 1;
            	}
            	switch (alt50) 
            	{
            	    case 1 :
            	        // D:\\sgl4c#\\NewSGLGramma\\SGL.g:0:0: elseStat
            	        {
            	        	PushFollow(FOLLOW_elseStat_in_ifStatement1855);
            	        	elseStat169 = elseStat();
            	        	state.followingStackPointer--;
            	        	if (state.failed) return retval;
            	        	if ( (state.backtracking==0) ) stream_elseStat.Add(elseStat169.Tree);

            	        }
            	        break;

            	}



            	// AST REWRITE
            	// elements:          elseIfStat, elseStat, ifStat
            	// 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 = (object)adaptor.GetNilNode();
            	// 403:33: -> ^( IF ifStat ( elseIfStat )* ( elseStat )? )
            	{
            	    // D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:36: ^( IF ifStat ( elseIfStat )* ( elseStat )? )
            	    {
            	    object root_1 = (object)adaptor.GetNilNode();
            	    root_1 = (object)adaptor.BecomeRoot((object)adaptor.Create(IF, "IF"), root_1);

            	    adaptor.AddChild(root_1, stream_ifStat.NextTree());
            	    // D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:48: ( elseIfStat )*
            	    while ( stream_elseIfStat.HasNext() )
            	    {
            	        adaptor.AddChild(root_1, stream_elseIfStat.NextTree());

            	    }
            	    stream_elseIfStat.Reset();
            	    // D:\\sgl4c#\\NewSGLGramma\\SGL.g:403:60: ( elseStat )?
            	    if ( stream_elseStat.HasNext() )
            	    {
            	        adaptor.AddChild(root_1, stream_elseStat.NextTree());

            	    }
            	    stream_elseStat.Reset();

            	    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 = (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 
    	{
            if ( state.backtracking > 0 ) 
            {
            	Memoize(input, 41, ifStatement_StartIndex); 
            }
        }
        return retval;
    }