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//
// APCMap.cs
//
// Authors:
// Alexander Chebaturkin (chebaturkin@gmail.com)
//
// Copyright (C) 2011 Alexander Chebaturkin
//
// 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.
//
using System.Collections.Generic;
using Mono.CodeContracts.Static.ControlFlow;
using Mono.CodeContracts.Static.DataStructures;
namespace Mono.CodeContracts.Static.Analysis.StackAnalysis {
class APCMap<T> {
private readonly Dictionary<int, T>[] block_map;
private IImmutableIntMap<bool> call_on_this_map;
public APCMap (Subroutine parent)
{
this.block_map = new Dictionary<int, T>[parent.BlockCount];
this.call_on_this_map = ImmutableIntMap<bool>.Empty;
}
public T this [APC key]
{
get
{
T value;
if (!TryGetValue (key, out value))
throw new KeyNotFoundException ();
return value;
}
}
public void Add (APC pc, T value)
{
Dictionary<int, T> pcBlockMap = this.block_map [pc.Block.Index];
if (pcBlockMap == null)
this.block_map [pc.Block.Index] = pcBlockMap = new Dictionary<int, T> ();
pcBlockMap.Add (pc.Index, value);
}
public bool TryGetValue (APC pc, out T obj)
{
Dictionary<int, T> dictionary = this.block_map [pc.Block.Index];
if (dictionary != null)
return dictionary.TryGetValue (pc.Index, out obj);
obj = default(T);
return false;
}
public bool ContainsKey (APC pc)
{
Dictionary<int, T> dictionary = this.block_map [pc.Block.Index];
if (dictionary == null)
return false;
return dictionary.ContainsKey (pc.Index);
}
public bool IsCallOnThis (APC key)
{
return this.call_on_this_map [key.Block.Index];
}
public void AddCallOnThis (APC pc)
{
this.call_on_this_map = this.call_on_this_map.Add (pc.Block.Index, true);
}
}
}
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