//
// BitwiseBinary.cs:
//
// Author:
// Cesar Lopez Nataren (cesar@ciencias.unam.mx)
//
// (C) 2003, Cesar Lopez Nataren
//
//
// 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.Diagnostics;
namespace Microsoft.JScript {
public sealed class BitwiseBinary : BinaryOp {
public BitwiseBinary (int operatorTok)
: base (null, null, null, (JSToken) operatorTok, null)
{
}
[DebuggerStepThroughAttribute]
[DebuggerHiddenAttribute]
public object EvaluateBitwiseBinary (object v1, object v2)
{
int num1 = Convert.ToInt32 (v1);
int num2 = Convert.ToInt32 (v2);
switch (operatorTok) {
case JSToken.BitwiseAnd:
return num1 & num2;
case JSToken.BitwiseXor:
return num1 ^ num2;
case JSToken.BitwiseOr:
return num1 | num2;
case JSToken.LeftShift:
return num1 << num2;
case JSToken.RightShift:
return num1 >> num2;
case JSToken.UnsignedRightShift:
return UnsignedRightShift (num1, num2);
}
Console.WriteLine ("EvaluateBitwiseBinary: operatorTok = {0}", operatorTok);
throw new NotImplementedException ();
}
internal static uint UnsignedRightShift (int num1, int num2)
{
return (uint) num1 >> num2;
}
internal override bool Resolve (Environment env)
{
throw new NotImplementedException ();
}
internal override bool Resolve (Environment env, bool no_effect)
{
throw new NotImplementedException ();
}
internal override void Emit (EmitContext ec)
{
throw new NotImplementedException ();
}
}
}