//
// ExprBinaryOpArithmetic.cs
//
// Authors:
//	Chris Bacon (chrisbacon76@gmail.com)
//
// Copyright (C) 2010 Chris Bacon
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Mono.Cecil;

namespace Mono.CodeContracts.Rewrite.Ast {
	abstract class ExprBinaryOpArithmetic : ExprBinaryOp {

		public ExprBinaryOpArithmetic (MethodInfo methodInfo, Expr left, Expr right, Sn signage, bool overflow)
			: base (methodInfo, left, right, signage)
		{
			this.Overflow = overflow;
		}

		public bool Overflow { get; private set; }

		public override TypeReference ReturnType {
			get {
				if (base.Left.ReturnType.FullName == "System.Int8" ||
					base.Left.ReturnType.FullName == "System.Int16") {
					return base.MethodInfo.TypeInt32;
				}
				if (base.Left.ReturnType.FullName == "System.Uint8" ||
					base.Left.ReturnType.FullName == "System.Uint16") {
					return base.MethodInfo.TypeUInt32;
				}
				return base.Left.ReturnType;
			}
		}

	}
}