private static void PatchMethods(Collection <MethodDefinition> methods, PatchCollection <MethodPatch> patches)
{
int count = 0;
foreach (MethodDefinition method in methods)
{
MethodPatch patch = patches.FindBySource(method.Name);
if (patch == null)
{
continue;
}
bool?result = IsApplicable(method, patch);
if (result == false)
{
continue;
}
if (result == true)
{
patch.Patch(method);
Changed = true;
}
if (++count >= patches.Count)
{
break;
}
}
}
private void SetTargetMethod(MethodPatch patch)
{
if (patch.TargetName != null)
{
patch.TargetMethod = TargetType.GetMethod(patch.TargetName);
}
}
private static bool?IsApplicable(MethodDefinition method, MethodPatch patch)
{
if (method.ReturnType.FullName != patch.ExpectedReturnType)
{
return(false);
}
if (method.HasParameters)
{
if (patch.ExpectedParameterTypes.IsNullOrEmpty())
{
return(false);
}
if (method.Parameters.Count != patch.ExpectedParameterTypes.Length)
{
return(false);
}
for (int i = 0; i < method.Parameters.Count; i++)
{
if (method.Parameters[i].ParameterType.FullName != patch.ExpectedParameterTypes[i])
{
return(false);
}
}
}
else if (!patch.ExpectedParameterTypes.IsNullOrEmpty())
{
return(false);
}
Collection <Instruction> instructions = method.Body.Instructions;
return((instructions.Count < 1 || instructions[0].Operand as String != patch.Label) ? (bool?)true : null);
}
