86 lines
2.6 KiB
C#
86 lines
2.6 KiB
C#
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//
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// OldValueSubroutine.cs
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//
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// Authors:
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// Alexander Chebaturkin (chebaturkin@gmail.com)
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//
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// Copyright (C) 2011 Alexander Chebaturkin
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using Mono.CodeContracts.Static.AST;
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using Mono.CodeContracts.Static.ControlFlow.Blocks;
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using Mono.CodeContracts.Static.ControlFlow.Subroutines.Builders;
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using Mono.CodeContracts.Static.DataStructures;
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namespace Mono.CodeContracts.Static.ControlFlow.Subroutines {
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class OldValueSubroutine<TLabel> : MethodContractSubroutine<TLabel> {
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private BlockWithLabels<TLabel> begin_old_block;
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private BlockWithLabels<TLabel> end_old_block;
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public OldValueSubroutine (SubroutineFacade subroutineFacade, Method method,
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SimpleSubroutineBuilder<TLabel> builder, TLabel startLabel)
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: base (subroutineFacade, method, builder, startLabel)
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{
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}
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public override SubroutineKind Kind
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{
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get { return SubroutineKind.Old; }
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}
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public override int StackDelta
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{
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get { return 1; }
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}
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public override bool IsOldValue
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{
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get { return true; }
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}
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public override void Initialize ()
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{
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}
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public void Commit (BlockWithLabels<TLabel> endOldBlock)
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{
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this.end_old_block = endOldBlock;
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base.Commit ();
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}
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public void RegisterBeginBlock (BlockWithLabels<TLabel> beginOldBlock)
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{
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this.begin_old_block = beginOldBlock;
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}
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public APC BeginOldAPC (Sequence<Edge<CFGBlock, EdgeTag>> context)
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{
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return new APC (this.begin_old_block, 0, context);
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}
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public APC EndOldAPC (Sequence<Edge<CFGBlock, EdgeTag>> context)
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{
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return new APC (this.end_old_block, this.end_old_block.Count - 1, context);
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}
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}
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}
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