57 lines
1.9 KiB
C#
57 lines
1.9 KiB
C#
//
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// AssumeBlock.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.ControlFlow.Subroutines;
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using Mono.CodeContracts.Static.DataStructures;
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namespace Mono.CodeContracts.Static.ControlFlow.Blocks {
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class AssumeBlock<Label> : BlockWithLabels<Label> {
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protected readonly Label BranchLabel;
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protected readonly EdgeTag Tag;
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public AssumeBlock (SubroutineBase<Label> subroutine, Label label, EdgeTag tag, ref int idGen)
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: base (subroutine, ref idGen)
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{
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this.BranchLabel = label;
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this.Tag = tag;
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}
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public override int Count
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{
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get { return 1; }
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}
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public override Result ForwardDecode<Data, Result, Visitor> (APC pc, Visitor visitor, Data data)
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{
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if (pc.Index == 0)
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return visitor.Assume (pc, this.Tag, Dummy.Value, data);
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return visitor.Nop (pc, data);
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}
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}
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} |