/*
Copyright (C) 2011 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see .
*/
using System;
using System.Collections.Generic;
using Mono.Cecil;
using Mono.Cecil.Cil;
namespace de4dot.blocks {
public class Blocks {
MethodDefinition method;
IList locals;
MethodBlocks methodBlocks;
public MethodBlocks MethodBlocks {
get { return methodBlocks; }
}
public IList Locals {
get { return locals; }
}
public MethodDefinition Method {
get { return method; }
}
public Blocks(MethodDefinition method) {
var body = method.Body;
this.method = method;
this.locals = body.Variables;
methodBlocks = new InstructionListParser(body.Instructions, body.ExceptionHandlers).parse();
}
public void deobfuscateLeaveObfuscation() {
foreach (var scopeBlock in getAllScopeBlocks(methodBlocks))
scopeBlock.deobfuscateLeaveObfuscation();
}
public int deobfuscate() {
foreach (var scopeBlock in getAllScopeBlocks(methodBlocks))
scopeBlock.deobfuscate(this);
int numDeadBlocks = removeDeadBlocks();
foreach (var scopeBlock in getAllScopeBlocks(methodBlocks)) {
scopeBlock.mergeBlocks();
scopeBlock.repartitionBlocks();
scopeBlock.deobfuscateLeaveObfuscation();
}
return numDeadBlocks;
}
IEnumerable getAllScopeBlocks(ScopeBlock scopeBlock) {
var list = new List();
list.Add(scopeBlock);
list.AddRange(scopeBlock.getAllScopeBlocks());
return list;
}
public int removeDeadBlocks() {
return new DeadBlocksRemover(methodBlocks).remove();
}
public void getCode(out IList allInstructions, out IList allExceptionHandlers) {
new CodeGenerator(methodBlocks).getCode(out allInstructions, out allExceptionHandlers);
}
}
}