private static IEnumerable ConvertInstructions(TranspilerImpl transpiler, IEnumerable enumerable)
{
/*var type = transpiler.GetParameters()
* .Select(p => p.ParameterType)
* .FirstOrDefault(t => t.IsGenericType && t.GetGenericTypeDefinition().Name.StartsWith("IEnumerable"));*/
return(ConvertInstructions(typeof(IEnumerable <CodeInstruction>), enumerable));
}
public static HarmonyDelegate Clone(MethodInfo source, TranspilerImpl transpiler = null)
{
var types = new List <Type>(source.GetParameters().Select(p => p.ParameterType));
if (source.IsStatic == false)
{
types.Insert(0, source.DeclaringType);
}
var dm = new System.Reflection.Emit.DynamicMethod("", source.ReturnType, types.ToArray());
var copier = new Harmony.ILCopying.MethodCopier(source, dm);
copier.AddTranspiler(transpiler);
copier.Emit(null);
types.Add(source.ReturnType);
// Use Expression to create Delegate type
var delegateType = System.Linq.Expressions.Expression.GetDelegateType(types.ToArray());
var __delegate = dm.CreateDelegate(delegateType);
return(new HarmonyDelegate(__delegate));
}
public static void UpdateWrapper(MethodBase original, PatchInfo patchInfo, PatchFlags flags)
{
var sortedPrefixes = GetSortedPatchMethods(original, patchInfo.prefixes);
var sortedPostfixes = GetSortedPatchMethods(original, patchInfo.postfixes);
var sortedTranspilers = GetSortedPatchMethods(original, patchInfo.transpilers).Select(m => TranspilerImpl.From(m)).ToList();
var replacement = MethodPatcher.CreatePatchedMethod(original, sortedPrefixes, sortedPostfixes, sortedTranspilers, flags);
if (replacement == null)
{
throw new MissingMethodException("Cannot create dynamic replacement for " + original);
}
patchInfo.patchdata.orgaddress = Memory.GetMethodStart(original);
patchInfo.patchdata.jmpaddress = Memory.GetMethodStart(replacement);
Memory.WriteJump(patchInfo.patchdata.orgaddress, patchInfo.patchdata.jmpaddress, out patchInfo.patchdata.orgbytes, out patchInfo.patchdata.jmpbytes);
PatchTools.RememberObject(original, replacement); // no gc for new value + release old value to gc
}
public void Add(TranspilerImpl transpiler)
{
transpilers.Add(transpiler);
}