ES3Parser.returnStatement C# (CSharp) Method

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

        object root_0 = null;

        IToken RETURN146 = null;
        ES3Parser.expression_return expr = default(ES3Parser.expression_return);

        ES3Parser.semic_return semic147 = default(ES3Parser.semic_return);


        object RETURN146_tree=null;


        	retval.value =  new ReturnStatement();

        try 
    	{
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1695:2: ( RETURN (expr= expression )? semic )
            // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1695:4: RETURN (expr= expression )? semic
            {
            	root_0 = (object)adaptor.GetNilNode();

            	RETURN146=(IToken)Match(input,RETURN,FOLLOW_RETURN_in_returnStatement6183); 
            		RETURN146_tree = (object)adaptor.Create(RETURN146);
            		root_0 = (object)adaptor.BecomeRoot(RETURN146_tree, root_0);

            	 PromoteEOL(null); 
            	// C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1695:34: (expr= expression )?
            	int alt77 = 2;
            	int LA77_0 = input.LA(1);

            	if ( ((LA77_0 >= NULL && LA77_0 <= FALSE) || LA77_0 == DELETE || LA77_0 == FUNCTION || LA77_0 == NEW || LA77_0 == THIS || LA77_0 == TYPEOF || LA77_0 == VOID || LA77_0 == LBRACE || LA77_0 == LPAREN || LA77_0 == LBRACK || (LA77_0 >= ADD && LA77_0 <= SUB) || (LA77_0 >= INC && LA77_0 <= DEC) || (LA77_0 >= NOT && LA77_0 <= INV) || (LA77_0 >= Identifier && LA77_0 <= StringLiteral) || LA77_0 == RegularExpressionLiteral || (LA77_0 >= DecimalLiteral && LA77_0 <= HexIntegerLiteral)) )
            	{
            	    alt77 = 1;
            	}
            	switch (alt77) 
            	{
            	    case 1 :
            	        // C:\\Users\\s.ros\\Projets\\Jint\\Jint\\ES3.g:1695:35: expr= expression
            	        {
            	        	PushFollow(FOLLOW_expression_in_returnStatement6191);
            	        	expr = expression();
            	        	state.followingStackPointer--;

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

            	        }
            	        break;

            	}

            	PushFollow(FOLLOW_semic_in_returnStatement6197);
            	semic147 = semic();
            	state.followingStackPointer--;


            }

            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 "returnStatement"