84 lines
3.0 KiB
C#
84 lines
3.0 KiB
C#
|
//
|
||
|
// RequiresSubroutine.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 System;
|
||
|
using Mono.CodeContracts.Static.AST;
|
||
|
using Mono.CodeContracts.Static.ControlFlow.Subroutines.Builders;
|
||
|
using Mono.CodeContracts.Static.DataStructures;
|
||
|
|
||
|
namespace Mono.CodeContracts.Static.ControlFlow.Subroutines {
|
||
|
sealed class RequiresSubroutine<TLabel> : MethodContractSubroutine<TLabel>, IEquatable<RequiresSubroutine<TLabel>>
|
||
|
{
|
||
|
public override SubroutineKind Kind { get { return SubroutineKind.Requires; } }
|
||
|
|
||
|
public override bool IsContract { get { return true; } }
|
||
|
public override bool IsRequires { get { return true; } }
|
||
|
|
||
|
public RequiresSubroutine(SubroutineFacade subroutineFacade,
|
||
|
Method method,
|
||
|
IImmutableSet<Subroutine> inherited)
|
||
|
: base(subroutineFacade, method)
|
||
|
{
|
||
|
AddSuccessor(Entry, EdgeTag.Entry, Exit);
|
||
|
AddBaseRequires(Exit, inherited);
|
||
|
Commit();
|
||
|
}
|
||
|
|
||
|
public RequiresSubroutine(SubroutineFacade subroutineFacade,
|
||
|
Method method,
|
||
|
SimpleSubroutineBuilder<TLabel> builder,
|
||
|
TLabel entryLabel,
|
||
|
IImmutableSet<Subroutine> inheritedRequires)
|
||
|
: base(subroutineFacade, method, builder, entryLabel)
|
||
|
{
|
||
|
AddBaseRequires(this.GetTargetBlock(entryLabel), inheritedRequires);
|
||
|
}
|
||
|
|
||
|
public override void Initialize()
|
||
|
{
|
||
|
if (this.Builder == null)
|
||
|
return;
|
||
|
|
||
|
this.Builder.BuildBlocks(this.StartLabel, this);
|
||
|
this.Commit();
|
||
|
|
||
|
this.Builder = null;
|
||
|
}
|
||
|
|
||
|
private void AddBaseRequires(CFGBlock targetOfEntry, IImmutableSet<Subroutine> inherited)
|
||
|
{
|
||
|
foreach (var subroutine in inherited.Elements)
|
||
|
this.AddEdgeSubroutine(this.Entry, targetOfEntry, subroutine, EdgeTag.Inherited);
|
||
|
}
|
||
|
|
||
|
public bool Equals(RequiresSubroutine<TLabel> that)
|
||
|
{
|
||
|
return this.Id == that.Id;
|
||
|
}
|
||
|
}
|
||
|
}
|