84 lines
2.3 KiB
C#
84 lines
2.3 KiB
C#
//
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// CFGBlock.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.Collections.Generic;
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using Mono.CodeContracts.Static.DataStructures;
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namespace Mono.CodeContracts.Static.ControlFlow {
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abstract class CFGBlock {
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public int Index;
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protected CFGBlock (Subroutine subroutine, ref int idGen)
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{
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this.Index = idGen++;
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Subroutine = subroutine;
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}
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public abstract int Count { get; }
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public Subroutine Subroutine { get; private set; }
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public int ReversePostOrderIndex { get; set; }
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public APC First
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{
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get { return APC.ForStart (this, null); }
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}
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public APC Last
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{
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get { return APC.ForEnd (this, null); }
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}
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public virtual bool IsMethodCallBlock<TMethod> (out TMethod calledMethod, out bool isNewObj, out bool isVirtual)
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{
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calledMethod = default(TMethod);
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isNewObj = false;
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isVirtual = false;
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return false;
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}
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public void Renumber (ref int idGen)
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{
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this.Index = idGen++;
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}
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public abstract int GetILOffset (APC pc);
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public IEnumerable<APC> APCs ()
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{
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return APCs (null);
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}
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private IEnumerable<APC> APCs (Sequence<Edge<CFGBlock, EdgeTag>> context)
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{
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for (int i = 0; i < Count; i++)
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yield return new APC (this, i, context);
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}
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}
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}
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