void ProcessMethod(CilBody body, CFContext ctx)
{
uint maxStack;
if (!MaxStackCalculator.GetMaxStack(body.Instructions, body.ExceptionHandlers, out maxStack))
{
ctx.Context.Logger.Error("Failed to calcuate maxstack.");
throw new ConfuserException(null);
}
body.MaxStack = (ushort)maxStack;
ScopeBlock root = BlockParser.ParseBody(body);
GetMangler(ctx.Type).Mangle(body, root, ctx);
body.Instructions.Clear();
root.ToBody(body);
foreach (ExceptionHandler eh in body.ExceptionHandlers)
{
var index = body.Instructions.IndexOf(eh.TryEnd) + 1;
eh.TryEnd = index < body.Instructions.Count ? body.Instructions[index] : null;
index = body.Instructions.IndexOf(eh.HandlerEnd) + 1;
eh.HandlerEnd = index < body.Instructions.Count ? body.Instructions[index] : null;
}
body.KeepOldMaxStack = true;
}
internal void Run()
{
var method = Mangler.Context.Plugins <ICFMangleMethod>().RandomElementOrDefault(Mangler.Rng);
if (method == null)
{
return;
}
MethodBody.SimplifyBranches();
foreach (var block in RootBlock.EnumRegular())
{
method.Mangle(this, block);
}
RootBlock.Write(MethodBody);
MethodBody.KeepOldMaxStack = false;
// dnlib will do this when writing the method, we can catch stack errors here
if (Mangler.Context.DebugMode)
{
MaxStackCalculator.GetMaxStack(MethodBody.Instructions, MethodBody.ExceptionHandlers);
}
MethodBody.OptimizeBranches();
}
