public bool Transform(Dex target, MethodBody body)
{
bool hasChanges = false;
#if DEBUG
//return;
#endif
var instructions = body.Instructions;
var hasNops = instructions.Any(x => x.Code == RCode.Nop);
if (!hasNops)
{
return(false);
}
var rerouter = new BranchReRouter(body);
var i = 0;
while (i < instructions.Count)
{
var inst = instructions[i];
if (inst.Code != RCode.Nop)
{
i++;
continue;
}
if (body.Exceptions.Count > 0)
{
foreach (var ex in body.Exceptions.Where(x => x.TryEnd == inst).ToList())
{
var exTryEnd = ex.TryEnd;
if (exTryEnd.Index > ex.TryStart.Index)
{
exTryEnd = exTryEnd.Previous;
}
if (exTryEnd == ex.TryStart)
{
// empty exception handler -- remove.
body.Exceptions.Remove(ex);
}
else
{
ex.TryEnd = exTryEnd;
}
}
}
if (i < instructions.Count - 1)
{
var next = instructions[i + 1];
rerouter.Reroute(inst, next);
}
instructions.RemoveAt(i);
hasChanges = true;
}
return(hasChanges);
}
public bool Transform(Dex target, MethodBody body)
{
bool hasChanges = false;
#if DEBUG
//return;
#endif
var instructions = body.Instructions;
var hasNops = instructions.Any(x => x.Code == RCode.Nop);
if (!hasNops)
return false;
var rerouter = new BranchReRouter(body);
var i = 0;
while (i < instructions.Count)
{
var inst = instructions[i];
if (inst.Code != RCode.Nop)
{
i++;
continue;
}
if (body.Exceptions.Count > 0)
{
foreach (var ex in body.Exceptions.Where(x => x.TryEnd == inst).ToList())
{
var exTryEnd = ex.TryEnd;
if (exTryEnd.Index > ex.TryStart.Index)
exTryEnd = exTryEnd.Previous;
if (exTryEnd == ex.TryStart)
{
// empty exception handler -- remove.
body.Exceptions.Remove(ex);
}
else
{
ex.TryEnd = exTryEnd;
}
}
}
if (i < instructions.Count - 1)
{
var next = instructions[i + 1];
rerouter.Reroute(inst, next);
}
instructions.RemoveAt(i);
hasChanges = true;
}
return hasChanges;
}
public void Transform(Dex target, MethodBody body)
{
#if DEBUG
//return;
#endif
var instructions = body.Instructions;
var hasNops = instructions.Any(x => x.Code == RCode.Nop);
if (!hasNops)
{
return;
}
var rerouter = new BranchReRouter(body);
var i = 0;
while (i < instructions.Count - 1)
{
var inst = instructions[i];
if (inst.Code != RCode.Nop)
{
i++;
continue;
}
if (body.Exceptions.Count > 0)
{
if (body.Exceptions.Any(x => (x.TryEnd == inst) /*|| (x.TryStart == inst)*/))
{
i++;
continue;
}
}
var next = instructions[i + 1];
rerouter.Reroute(inst, next);
instructions.RemoveAt(i);
}
}