コード例 #1
0
        public object VisitBinaryOperatorExpression(BinaryOperatorExpression binaryOperatorExpression, object data)
        {
            B.Expression         left  = ConvertExpression(binaryOperatorExpression.Left);
            B.Expression         right = ConvertExpression(binaryOperatorExpression.Right);
            B.BinaryOperatorType op    = ConvertOperator(binaryOperatorExpression.Op);
            if (op == B.BinaryOperatorType.None)
            {
                AddError(binaryOperatorExpression, "Unknown operator.");
                return(null);
            }
//			if (binaryOperatorExpression.Op == BinaryOperatorType.DivideInteger) {
//				AddWarning(binaryOperatorExpression, "Integer division converted to normal division.");
//			}
            return(new B.BinaryExpression(GetLexicalInfo(binaryOperatorExpression), op, left, right));
        }
コード例 #2
0
        public object VisitAssignmentExpression(AssignmentExpression assignmentExpression, object data)
        {
            B.Expression left  = ConvertExpression(assignmentExpression.Left);
            B.Expression right = ConvertExpression(assignmentExpression.Right);
            bool         isInPlace;

            B.BinaryOperatorType op = ConvertOperator(assignmentExpression.Op, out isInPlace);
            if (op == B.BinaryOperatorType.None)
            {
                AddError(assignmentExpression, "Unknown operator.");
                return(null);
            }
            if (!isInPlace)
            {
                // convert L <OP>= R to L = L OP R
                right = new B.BinaryExpression(GetLexicalInfo(assignmentExpression), op, left, right);
                op    = B.BinaryOperatorType.Assign;
            }
            return(new B.BinaryExpression(GetLexicalInfo(assignmentExpression), op, left, right));
        }