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//
// SubroutineFactory.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.Collections.Generic;
using Mono.CodeContracts.Static.AST.Visitors;
using Mono.CodeContracts.Static.Providers;
namespace Mono.CodeContracts.Static.ControlFlow.Subroutines.Builders {
abstract class SubroutineFactory<Key, Data> : ICodeConsumer<Data, Subroutine> {
protected readonly SubroutineFacade SubroutineFacade;
private readonly Dictionary<Key, Subroutine> cache = new Dictionary<Key, Subroutine> ();
protected SubroutineFactory (SubroutineFacade subroutineFacade)
{
this.SubroutineFacade = subroutineFacade;
}
protected IContractProvider ContractProvider
{
get { return this.SubroutineFacade.ContractProvider; }
}
protected IMetaDataProvider MetaDataProvider
{
get { return this.SubroutineFacade.MetaDataProvider; }
}
#region ICodeConsumer<Data,Subroutine> Members
public Subroutine Accept<Label> (ICodeProvider<Label> codeProvider, Label entryPoint, Data data)
{
return Factory (new SimpleSubroutineBuilder<Label> (codeProvider, this.SubroutineFacade, entryPoint), entryPoint, data);
}
#endregion
public Subroutine Get (Key key)
{
if (this.cache.ContainsKey (key))
return this.cache [key];
Subroutine sub = BuildNewSubroutine (key);
this.cache.Add (key, sub);
if (sub != null)
sub.Initialize ();
return sub;
}
protected abstract Subroutine BuildNewSubroutine (Key key);
protected abstract Subroutine Factory<Label> (SimpleSubroutineBuilder<Label> builder, Label entry, Data data);
}
}
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