public override void DoInjectProperty(AssemblyDefinition assembly, PropertyDefinition property, TypeDefinition type)
{
var methods = typeof(EventDispatcher).GetMethods();
MethodInfo triggerMethod = null;
foreach (var method in methods)
{
if (method.Name == "TriggerEvent" && method.GetGenericArguments().Count() == 1)
{
triggerMethod = method;
break;
}
}
var triggerRef = assembly.MainModule.Import(triggerMethod);
//var objectRef = assembly.MainModule.Import(typeof(object));
triggerRef = triggerRef.MakeGeneric(property.PropertyType);
var typeRef = assembly.MainModule.Import(typeof(int));
var fieldRef = type.Fields.Single(field => field.Name == GetHiddenFieldName(property));
InjectEmitHelper.InsertBefore(property.SetMethod.GetILProcessor(), property.SetMethod.GetFirstInstriction(),
new Dictionary <OpCode, object>()
{
{ OpCodes.Ldstr, type.Name + "." + property.Name },
{ OpCodes.Ldarg_1, null },
//{ OpCodes.Castclass, objectRef},
{ OpCodes.Ldnull, null },
{ OpCodes.Call, triggerRef },
});
InjectEmitHelper.ComputeOffsets(property.SetMethod.Body);
}
/// <summary>
/// 插入输出语句
/// </summary>
/// <param name="assembly"></param>
/// <param name="worker"></param>
/// <param name="target"></param>
/// <param name="text"></param>
/// <returns></returns>
public static Instruction InsertLogBefore(AssemblyDefinition assembly, ILProcessor worker, Instruction target, string text)
{
if (logMethod == null)
{
logMethod = assembly.MainModule.Import(typeof(Debug).GetMethod("Log", new Type[] { typeof(string) }));
}
var current = InjectEmitHelper.InsertBefore(worker, target, worker.Create(OpCodes.Ldstr, "Inject"));
current = InjectEmitHelper.InsertBefore(worker, target, worker.Create(OpCodes.Call, logMethod));
return(current);
}
public override void DoInjectMethod(AssemblyDefinition assembly, MethodDefinition method, TypeDefinition type)
{
if (!InjectEmitHelper.HasBodyAndIsNotContructor(method) || method.IsGetter || method.IsSetter) return;
var firstIns = method.Body.Instructions.First();
var worker = method.Body.GetILProcessor();
var hasPatchRef = assembly.MainModule.Import(typeof(Debug).GetMethod("Log", new Type[] { typeof(string) }));
var current = InjectEmitHelper.InsertBefore(worker, firstIns, worker.Create(OpCodes.Ldstr, "Inject" + method.Name));
current = InjectEmitHelper.InsertBefore(worker, firstIns, worker.Create(OpCodes.Call, hasPatchRef));
InjectEmitHelper.ComputeOffsets(method.Body);
}
