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//
// OldValueSubroutine.cs
//
// Authors:
// Alexander Chebaturkin (chebaturkin@gmail.com)
//
// Copyright (C) 2011 Alexander Chebaturkin
//
// 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 Mono.CodeContracts.Static.AST;
using Mono.CodeContracts.Static.ControlFlow.Blocks;
using Mono.CodeContracts.Static.ControlFlow.Subroutines.Builders;
using Mono.CodeContracts.Static.DataStructures;
namespace Mono.CodeContracts.Static.ControlFlow.Subroutines {
class OldValueSubroutine<TLabel> : MethodContractSubroutine<TLabel> {
private BlockWithLabels<TLabel> begin_old_block;
private BlockWithLabels<TLabel> end_old_block;
public OldValueSubroutine (SubroutineFacade subroutineFacade, Method method,
SimpleSubroutineBuilder<TLabel> builder, TLabel startLabel)
: base (subroutineFacade, method, builder, startLabel)
{
}
public override SubroutineKind Kind
{
get { return SubroutineKind.Old; }
}
public override int StackDelta
{
get { return 1; }
}
public override bool IsOldValue
{
get { return true; }
}
public override void Initialize ()
{
}
public void Commit (BlockWithLabels<TLabel> endOldBlock)
{
this.end_old_block = endOldBlock;
base.Commit ();
}
public void RegisterBeginBlock (BlockWithLabels<TLabel> beginOldBlock)
{
this.begin_old_block = beginOldBlock;
}
public APC BeginOldAPC (Sequence<Edge<CFGBlock, EdgeTag>> context)
{
return new APC (this.begin_old_block, 0, context);
}
public APC EndOldAPC (Sequence<Edge<CFGBlock, EdgeTag>> context)
{
return new APC (this.end_old_block, this.end_old_block.Count - 1, context);
}
}
}
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