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//
// BasicMethodDriver.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;
using Mono.CodeContracts.Static.AST;
using Mono.CodeContracts.Static.Analysis.StackAnalysis;
using Mono.CodeContracts.Static.ControlFlow;
using Mono.CodeContracts.Static.DataStructures;
namespace Mono.CodeContracts.Static.Analysis.Drivers {
class BasicMethodDriver {
private readonly Method method;
private readonly IBasicAnalysisDriver parent;
private ICFG contract_free_cfg;
private ICodeLayer<Dummy, Dummy, IMethodContextProvider, Dummy> contract_free_raw_layer;
private ICodeLayer<int, int, IStackContextProvider, Dummy> contract_free_stack_layer;
public BasicMethodDriver (Method method, IBasicAnalysisDriver parent)
{
this.method = method;
this.parent = parent;
RawLayer = CodeLayerFactory.Create (
this.parent.SubroutineFacade.GetControlFlowGraph (method).GetDecoder (parent.MetaDataProvider),
parent.MetaDataProvider,
parent.ContractProvider, dummy => "", dummy => "");
if (DebugOptions.Debug) {
Console.WriteLine ("-----APC based CFG-----");
RawLayer.ILDecoder.ContextProvider.MethodContext.CFG.Print (Console.Out, RawLayer.Printer, null, null);
}
StackLayer = CodeLayerFactory.Create (
StackDepthFactory.Create (RawLayer.ILDecoder, RawLayer.MetaDataProvider),
RawLayer.MetaDataProvider,
RawLayer.ContractProvider, (i => "s" + i.ToString ()), i => "s" + i.ToString ()
);
if (DebugOptions.Debug)
{
Console.WriteLine ("-----Stack based CFG-----");
StackLayer.ILDecoder.ContextProvider.MethodContext.CFG.Print (Console.Out, StackLayer.Printer, null, null);
}
}
public Method CurrentMethod
{
get { return this.method; }
}
public IBasicAnalysisDriver AnalysisDriver
{
get { return this.parent; }
}
public ICodeLayer<Dummy, Dummy, IMethodContextProvider, Dummy> RawLayer { get; private set; }
public ICodeLayer<int, int, IStackContextProvider, Dummy> StackLayer { get; private set; }
public ICodeLayer<Dummy, Dummy, IMethodContextProvider, Dummy> ContractFreeRawLayer
{
get
{
if (this.contract_free_raw_layer == null) {
this.contract_free_raw_layer =
CodeLayerFactory.Create (ContractFreeCFG.GetDecoder (this.parent.MetaDataProvider),
RawLayer.MetaDataProvider,
RawLayer.ContractProvider,
RawLayer.ExpressionToString, RawLayer.VariableToString, RawLayer.Printer);
}
return this.contract_free_raw_layer;
}
}
public ICodeLayer<int, int, IStackContextProvider, Dummy> ContractFreeStackLayer
{
get
{
if (this.contract_free_stack_layer == null) {
this.contract_free_stack_layer =
CodeLayerFactory.Create (StackDepthFactory.Create (ContractFreeRawLayer.ILDecoder, this.contract_free_raw_layer.MetaDataProvider),
ContractFreeRawLayer.MetaDataProvider,
ContractFreeRawLayer.ContractProvider,
StackLayer.ExpressionToString, StackLayer.VariableToString, StackLayer.Printer);
}
return this.contract_free_stack_layer;
}
}
public ICFG ContractFreeCFG
{
get
{
if (this.contract_free_cfg == null) {
this.contract_free_cfg = new ContractFilteredCFG (RawLayer.ILDecoder.ContextProvider.MethodContext.CFG);
if (DebugOptions.Debug)
{
Console.WriteLine ("------raw contract-free cfg -----------------");
this.contract_free_cfg.Print (Console.Out, RawLayer.Printer, null, null);
}
}
return this.contract_free_cfg;
}
}
public ICFG CFG
{
get { return StackLayer.ILDecoder.ContextProvider.MethodContext.CFG; }
}
}
}
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