ES3Parser.doStatement C# (CSharp) Method

    public ES3Parser.doStatement_return doStatement() // throws RecognitionException [1]
    {   
        ES3Parser.doStatement_return retval = new ES3Parser.doStatement_return();
        retval.Start = input.LT(1);

        object root_0 = null;

        IToken DO117 = null;
        IToken WHILE119 = null;
        IToken LPAREN120 = null;
        IToken RPAREN122 = null;
        ES3Parser.statement_return statement118 = default(ES3Parser.statement_return);

        ES3Parser.expression_return expression121 = default(ES3Parser.expression_return);

        ES3Parser.semic_return semic123 = default(ES3Parser.semic_return);


        object DO117_tree=null;
        object WHILE119_tree=null;
        object LPAREN120_tree=null;
        object RPAREN122_tree=null;

        try 
    	{
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1531:2: ( DO statement WHILE LPAREN expression RPAREN semic )
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1531:4: DO statement WHILE LPAREN expression RPAREN semic
            {
            	root_0 = (object)adaptor.GetNilNode();

            	DO117=(IToken)Match(input,DO,FOLLOW_DO_in_doStatement5679); 
            		DO117_tree = (object)adaptor.Create(DO117);
            		adaptor.AddChild(root_0, DO117_tree);

            	PushFollow(FOLLOW_statement_in_doStatement5681);
            	statement118 = statement();
            	state.followingStackPointer--;

            	adaptor.AddChild(root_0, statement118.Tree);
            	WHILE119=(IToken)Match(input,WHILE,FOLLOW_WHILE_in_doStatement5683); 
            		WHILE119_tree = (object)adaptor.Create(WHILE119);
            		adaptor.AddChild(root_0, WHILE119_tree);

            	LPAREN120=(IToken)Match(input,LPAREN,FOLLOW_LPAREN_in_doStatement5685); 
            		LPAREN120_tree = (object)adaptor.Create(LPAREN120);
            		adaptor.AddChild(root_0, LPAREN120_tree);

            	PushFollow(FOLLOW_expression_in_doStatement5687);
            	expression121 = expression();
            	state.followingStackPointer--;

            	adaptor.AddChild(root_0, expression121.Tree);
            	RPAREN122=(IToken)Match(input,RPAREN,FOLLOW_RPAREN_in_doStatement5689); 
            		RPAREN122_tree = (object)adaptor.Create(RPAREN122);
            		adaptor.AddChild(root_0, RPAREN122_tree);

            	PushFollow(FOLLOW_semic_in_doStatement5691);
            	semic123 = semic();
            	state.followingStackPointer--;

            	adaptor.AddChild(root_0, semic123.Tree);
            	 retval.value =  new DoWhileStatement(((expression121 != null) ? expression121.value : default(Expression)), ((statement118 != null) ? statement118.value : default(Statement))); 

            }

            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;
    }
    // $ANTLR end "doStatement"