public static void Apply(
MethodDefinition method,
WeaveExpr @catch)
{
if (method.HasBody == false)
{
return;
}
//throw new ArgumentException("method does not have a body");
var ilgen = method.Body.GetILProcessor();
var head = method.GetHead();
var tail = method.GetTail();
ilgen.Emit(OpCodes.Nop);
@catch(ilgen, new ILCursor(ilgen, tail));
method.Body.ExceptionHandlers.Add(new ExceptionHandler(ExceptionHandlerType.Catch)
{
CatchType = Net2Resolver.GetType(nameof(Exception)),
TryStart = head,
TryEnd = tail.Next,
HandlerStart = tail.Next,
HandlerEnd = method.GetTail()
});
}
public static void Apply(
MethodDefinition method,
Func <Instruction, bool> check,
WeaveExpr callback)
{
if (method.HasBody == false)
{
return;
}
//throw new ArgumentException("method does not have a body");
var ilgen = method.Body.GetILProcessor();
var instructionsCopy = new Instruction[method.Body.Instructions.Count];
method.Body.Instructions.CopyTo(instructionsCopy, 0);
foreach (var inst in instructionsCopy)
{
if (check(inst))
{
callback(ilgen, new ILCursor(ilgen, inst));
}
}
}
public static void Apply(MethodDefinition method, WeaveExpr before, WeaveExpr after)
{
if (method.HasBody == false)
{
return;
}
//throw new ArgumentException("method does not have a body");
var ilgen = method.Body.GetILProcessor();
before(ilgen, new ILCursor(ilgen, method.GetHead()));
if (method.GetTail().Previous != null)
{
after(ilgen, new ILCursor(ilgen, method.GetTail().Previous));
}
else
{
after(ilgen, new ILCursor(ilgen, true));
}
}
