/*
* Copyright (c) 2009, Stefan Simek
*
* 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.Text;
using System.Reflection.Emit;
namespace TriAxis.RunSharp.Operands
{
class PrefixOperation : Operand, IStatement
{
Operand target;
OverloadableOperation baseOp;
public PrefixOperation(Operator op, Operand operand)
{
this.target = operand;
baseOp = new OverloadableOperation(op, operand);
}
internal override void EmitGet(CodeGen g)
{
if (target.TrivialAccess)
{
target.EmitSet(g, baseOp, false);
target.EmitGet(g);
}
else
{
Operand tmp = g.Local(target);
baseOp.SetOperand(tmp);
tmp.EmitSet(g, baseOp, false);
target.EmitSet(g, tmp, false);
tmp.EmitGet(g);
}
}
public override Type Type
{
get
{
return target.Type;
}
}
public void Emit(CodeGen g)
{
target.EmitSet(g, baseOp, false);
}
}
}