ES3Parser.memberExpression C# (CSharp) Method

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

        object root_0 = null;

        ES3Parser.primaryExpression_return prim = default(ES3Parser.primaryExpression_return);

        ES3Parser.functionExpression_return func = default(ES3Parser.functionExpression_return);

        ES3Parser.newExpression_return exp = default(ES3Parser.newExpression_return);



        try 
    	{
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1034:2: (prim= primaryExpression | func= functionExpression | exp= newExpression )
            int alt15 = 3;
            switch ( input.LA(1) ) 
            {
            case NULL:
            case TRUE:
            case FALSE:
            case THIS:
            case LBRACE:
            case LPAREN:
            case LBRACK:
            case Identifier:
            case StringLiteral:
            case RegularExpressionLiteral:
            case DecimalLiteral:
            case OctalIntegerLiteral:
            case HexIntegerLiteral:
            	{
                alt15 = 1;
                }
                break;
            case FUNCTION:
            	{
                alt15 = 2;
                }
                break;
            case NEW:
            	{
                alt15 = 3;
                }
                break;
            	default:
            	    NoViableAltException nvae_d15s0 =
            	        new NoViableAltException("", 15, 0, input);

            	    throw nvae_d15s0;
            }

            switch (alt15) 
            {
                case 1 :
                    // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1034:4: prim= primaryExpression
                    {
                    	root_0 = (object)adaptor.GetNilNode();

                    	PushFollow(FOLLOW_primaryExpression_in_memberExpression3518);
                    	prim = primaryExpression();
                    	state.followingStackPointer--;

                    	adaptor.AddChild(root_0, prim.Tree);
                    	 retval.value =  prim.value; 

                    }
                    break;
                case 2 :
                    // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1035:4: func= functionExpression
                    {
                    	root_0 = (object)adaptor.GetNilNode();

                    	PushFollow(FOLLOW_functionExpression_in_memberExpression3527);
                    	func = functionExpression();
                    	state.followingStackPointer--;

                    	adaptor.AddChild(root_0, func.Tree);
                    	 retval.value =  func.value; 

                    }
                    break;
                case 3 :
                    // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1036:4: exp= newExpression
                    {
                    	root_0 = (object)adaptor.GetNilNode();

                    	PushFollow(FOLLOW_newExpression_in_memberExpression3536);
                    	exp = newExpression();
                    	state.followingStackPointer--;

                    	adaptor.AddChild(root_0, exp.Tree);
                    	 retval.value =  exp.value; 

                    }
                    break;

            }
            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 "memberExpression"