89 lines
3.4 KiB
C#
89 lines
3.4 KiB
C#
//
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// ExpressionAnalysisFacade.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 System;
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using Mono.CodeContracts.Static.AST.Visitors;
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using Mono.CodeContracts.Static.Analysis.HeapAnalysis;
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using Mono.CodeContracts.Static.ControlFlow;
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using Mono.CodeContracts.Static.DataFlowAnalysis;
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using Mono.CodeContracts.Static.DataStructures;
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using Mono.CodeContracts.Static.Providers;
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namespace Mono.CodeContracts.Static.Analysis.ExpressionAnalysis {
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class ExpressionAnalysisFacade<TSymValue, TContext, TEdgeData>
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where TSymValue : IEquatable<TSymValue>
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where TContext : IValueContextProvider<TSymValue>
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where TEdgeData : IImmutableMap<TSymValue, Sequence<TSymValue>> {
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public readonly Predicate<APC> IsUnreachable;
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public readonly ICodeLayer<TSymValue, TSymValue, TContext, TEdgeData> ValueLayer;
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private IFixPointInfo<APC, ExprDomain<TSymValue>> fix_point_info;
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public ExpressionAnalysisFacade (ICodeLayer<TSymValue, TSymValue, TContext, TEdgeData> valueLayer,
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Predicate<APC> isUnreachable)
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{
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this.ValueLayer = valueLayer;
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this.IsUnreachable = isUnreachable;
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}
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public bool PreStateLookup (APC label, out ExprDomain<TSymValue> ifFound)
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{
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return this.fix_point_info.PreStateLookup (label, out ifFound);
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}
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public bool PostStateLookup (APC label, out ExprDomain<TSymValue> ifFound)
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{
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return this.fix_point_info.PostStateLookup (label, out ifFound);
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}
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public void SaveFixPointInfo (IFixPointInfo<APC, ExprDomain<TSymValue>> fixPointInfo)
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{
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this.fix_point_info = fixPointInfo;
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}
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public ExprDomain<TSymValue> InitialValue (Func<TSymValue, int> keyConverter)
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{
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return ExprDomain<TSymValue>.TopValue (keyConverter);
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}
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public IAnalysis<APC, ExprDomain<TSymValue>, IILVisitor<APC, TSymValue, TSymValue, ExprDomain<TSymValue>, ExprDomain<TSymValue>>, TEdgeData>
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CreateExpressionAnalysis ()
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{
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return new ValueAnalysis<TSymValue, TContext, TEdgeData> (this);
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}
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public IILDecoder<APC, LabeledSymbol<APC, TSymValue>, TSymValue, IExpressionContextProvider<LabeledSymbol<APC, TSymValue>, TSymValue>, TEdgeData>
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GetDecoder (
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IILDecoder<APC, TSymValue, TSymValue, IValueContextProvider<TSymValue>, TEdgeData> ilDecoder)
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{
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return new ExpressionDecoder<TSymValue, TContext, TEdgeData> (ilDecoder, this);
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}
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}
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}
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