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#region license
//
// (C) db4objects Inc. http://www.db4o.com
//
// 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.
//
#endregion
using System;
using Mono.Cecil.Cil;
using Mono.Collections.Generic;
namespace Cecil.FlowAnalysis.ActionFlow
{
/// <summary>
/// </summary>
public abstract class ActionBlock {
Collection<ActionBlock> _predecessors = new Collection<ActionBlock> ();
Instruction _sourceInstruction;
public Instruction SourceInstruction {
get { return _sourceInstruction; }
}
public virtual Collection<ActionBlock> Predecessors {
get { return _predecessors; }
}
public abstract ActionType ActionType {
get;
}
public abstract ActionBlock [] Successors {
get;
}
internal ActionBlock (Instruction sourceInstruction)
{
if (null == sourceInstruction) throw new ArgumentNullException ("sourceInstruction");
_sourceInstruction = sourceInstruction;
}
protected void AddAsPredecessorOf (ActionBlock block)
{
block.Predecessors.Add (this);
}
internal void RemovePredecessor (ActionBlock block)
{
_predecessors.Remove (block);
}
internal abstract void ReplaceSuccessor (ActionBlock existing, ActionBlock newBlock);
}
}
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