private void EmitMethod(Type originType, TypeBuilder typeBuilder, MethodInfo baseMethod, FieldBuilder targetField)
{
Type[] argTypes = EmitHelper.GetParametersType(baseMethod);
MethodInfo originMethod = ReflectionHelper.SearchMethod(originType, baseMethod.Name, argTypes);
MethodBuilder methodBuilder = EmitHelper.DefineDerivedMethodSignature(typeBuilder, baseMethod);
ILGenerator methodGen = methodBuilder.GetILGenerator();
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, targetField);
int coventIndex = 0;
foreach (ParameterInfo pi in originMethod.GetParameters())
{
EmitHelper.LoadArg(methodGen, coventIndex + 1);
EmitHelper.ConvertTopArgType(methodGen, argTypes[coventIndex], pi.ParameterType);
coventIndex++;
}
methodGen.Emit(OpCodes.Callvirt, originMethod);
methodGen.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodBuilder, baseMethod);
}
private void EmitMethod(Type originType, TypeBuilder typeBuilder, MethodInfo baseMethod, FieldBuilder targetField, FieldBuilder aopInterceptorField)
{
Type[] argTypes = EmitHelper.GetParametersType(baseMethod);
MethodInfo originMethod = ReflectionHelper.SearchMethod(originType, baseMethod.Name, argTypes);
MethodBuilder methodBuilder = EmitHelper.DefineDerivedMethodSignature(typeBuilder, baseMethod);
ILGenerator methodGen = methodBuilder.GetILGenerator();
//Type[] genericTypes = new Type[1] ;
LocalBuilder genericTypesLocalBuilder = methodGen.DeclareLocal(typeof(Type[]));
if (originMethod.IsGenericMethod)
{
Type[] genericTypes = originMethod.GetGenericArguments();
methodGen.Emit(OpCodes.Ldc_I4, genericTypes.Length);
methodGen.Emit(OpCodes.Newarr, typeof(Type));
methodGen.Emit(OpCodes.Stloc, genericTypesLocalBuilder);
for (int i = 0; i < genericTypes.Length; i++)
{
methodGen.Emit(OpCodes.Ldloc, genericTypesLocalBuilder);
methodGen.Emit(OpCodes.Ldc_I4, i);
EmitHelper.LoadType(methodGen, genericTypes[i]);
methodGen.Emit(OpCodes.Stelem_Ref);
}
}
ParameterInfo[] paras = originMethod.GetParameters();
LocalBuilder paramNamesLocalBuilder = methodGen.DeclareLocal(typeof(string[]));
LocalBuilder paramValuesLocalBuilder = methodGen.DeclareLocal(typeof(object[]));
if (paras.Length > 0)
{
//调用 string[] paraNames = new string[] {"Add" ,"Insert" };
methodGen.Emit(OpCodes.Ldc_I4, paras.Length);
methodGen.Emit(OpCodes.Newarr, typeof(string));
methodGen.Emit(OpCodes.Stloc, paramNamesLocalBuilder);
for (int i = 0; i < paras.Length; i++)
{
methodGen.Emit(OpCodes.Ldloc, paramNamesLocalBuilder);
methodGen.Emit(OpCodes.Ldc_I4, i);
methodGen.Emit(OpCodes.Ldstr, paras[i].Name);
methodGen.Emit(OpCodes.Stelem_Ref);
}
//调用 object[] paras = new object[] {a ,b };
methodGen.Emit(OpCodes.Ldc_I4, paras.Length);
methodGen.Emit(OpCodes.Newarr, typeof(object));
methodGen.Emit(OpCodes.Stloc, paramValuesLocalBuilder);
for (int i = 0; i < paras.Length; i++)
{
methodGen.Emit(OpCodes.Ldloc, paramValuesLocalBuilder);
methodGen.Emit(OpCodes.Ldc_I4, i);
methodGen.Emit(OpCodes.Ldarg, i + 1);
if (paras[i].ParameterType.IsByRef) //如果是ref/out参数，则去地址
{
EmitHelper.Ldind(methodGen, paras[i].ParameterType);
methodGen.Emit(OpCodes.Box, paras[i].ParameterType.GetElementType());
}
else if (paras[i].ParameterType.IsValueType)
{
methodGen.Emit(OpCodes.Box, paras[i].ParameterType);
}
else
{
}
methodGen.Emit(OpCodes.Stelem_Ref);
}
}
//调用 InterceptedMethod method = new InterceptedMethod(this.target, "InsertMuch", paras);
LocalBuilder interceptedMethodLocalBuilder = methodGen.DeclareLocal(typeof(InterceptedMethod));
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, targetField);
methodGen.Emit(OpCodes.Ldstr, originMethod.Name);
methodGen.Emit(OpCodes.Ldloc, genericTypesLocalBuilder);
methodGen.Emit(OpCodes.Ldloc, paramNamesLocalBuilder);
methodGen.Emit(OpCodes.Ldloc, paramValuesLocalBuilder);
methodGen.Emit(OpCodes.Newobj, typeof(InterceptedMethod).GetConstructor(new Type[] { typeof(object), typeof(string), typeof(Type[]), typeof(string[]), typeof(object[]) }));
methodGen.Emit(OpCodes.Stloc, interceptedMethodLocalBuilder);
//调用this.aopInterceptor.PreProcess(interceptedMethod);
MethodInfo preProcessMethodInfo = typeof(IAopInterceptor).GetMethod("PreProcess", new Type[] { typeof(InterceptedMethod) });
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, aopInterceptorField);
methodGen.Emit(OpCodes.Ldloc, interceptedMethodLocalBuilder);
methodGen.Emit(OpCodes.Callvirt, preProcessMethodInfo);
//调用 IArounder arounder = this.aopInterceptor.NewArounder();
LocalBuilder arounderLocalBuilder = methodGen.DeclareLocal(typeof(IArounder));
MethodInfo newArounderMethodInfo = typeof(IAopInterceptor).GetMethod("NewArounder");
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, aopInterceptorField);
methodGen.Emit(OpCodes.Callvirt, newArounderMethodInfo);
methodGen.Emit(OpCodes.Stloc, arounderLocalBuilder);
//调用 arounder.BeginAround(method);
MethodInfo beginAroundMethodInfo = typeof(IArounder).GetMethod("BeginAround");
methodGen.Emit(OpCodes.Ldloc, arounderLocalBuilder);
methodGen.Emit(OpCodes.Ldloc, interceptedMethodLocalBuilder);
methodGen.Emit(OpCodes.Callvirt, beginAroundMethodInfo);
//调用 object returnVal = null;
LocalBuilder retLocalBuilder = null; //是否有返回值
if (originMethod.ReturnType != typeof(void))
{
retLocalBuilder = methodGen.DeclareLocal(originMethod.ReturnType);
}
LocalBuilder exceptionLocalBuilder = methodGen.DeclareLocal(typeof(Exception));
// try
Label beginExceptionLabel = methodGen.BeginExceptionBlock();
//调用目标方法
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, targetField);
int coventIndex = 0;
foreach (ParameterInfo pi in originMethod.GetParameters())
{
EmitHelper.LoadArg(methodGen, coventIndex + 1);
EmitHelper.ConvertTopArgType(methodGen, argTypes[coventIndex], pi.ParameterType);
coventIndex++;
}
methodGen.Emit(OpCodes.Callvirt, originMethod);
if (retLocalBuilder != null)
{
methodGen.Emit(OpCodes.Stloc, retLocalBuilder);
}
// catch
methodGen.BeginCatchBlock(typeof(Exception));
methodGen.Emit(OpCodes.Stloc, exceptionLocalBuilder); //存储Exception到local
//调用 arounder.OnException(interceptedMethod ,exception);
MethodInfo onExceptionMethodInfo = typeof(IArounder).GetMethod("OnException");
methodGen.Emit(OpCodes.Ldloc, arounderLocalBuilder);
methodGen.Emit(OpCodes.Ldloc, interceptedMethodLocalBuilder);
methodGen.Emit(OpCodes.Ldloc, exceptionLocalBuilder);
methodGen.Emit(OpCodes.Callvirt, onExceptionMethodInfo);
methodGen.Emit(OpCodes.Nop);
methodGen.Emit(OpCodes.Rethrow);
methodGen.Emit(OpCodes.Nop);
methodGen.EndExceptionBlock();
//调用 arounder.EndAround(returnVal);
MethodInfo endAroundMethodInfo = typeof(IArounder).GetMethod("EndAround");
methodGen.Emit(OpCodes.Ldloc, arounderLocalBuilder);
if (retLocalBuilder != null)
{
if (originMethod.ReturnType.IsValueType) //返回值如果是值类型，则装箱后再调用EndAround
{
methodGen.Emit(OpCodes.Ldloc, retLocalBuilder);
methodGen.Emit(OpCodes.Box, originMethod.ReturnType);
}
else
{
methodGen.Emit(OpCodes.Ldloc, retLocalBuilder);
}
}
else
{
methodGen.Emit(OpCodes.Ldnull);
}
methodGen.Emit(OpCodes.Callvirt, endAroundMethodInfo);
methodGen.Emit(OpCodes.Nop);
//调用this.aopInterceptor.PostProcess(method ,returnVal);
MethodInfo postProcessMethodInfo = typeof(IAopInterceptor).GetMethod("PostProcess", new Type[] { typeof(InterceptedMethod), typeof(object) });
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, aopInterceptorField);
methodGen.Emit(OpCodes.Ldloc, interceptedMethodLocalBuilder);
if (retLocalBuilder != null)
{
if (originMethod.ReturnType.IsValueType)
{
methodGen.Emit(OpCodes.Ldloc, retLocalBuilder);
methodGen.Emit(OpCodes.Box, originMethod.ReturnType);
}
else
{
methodGen.Emit(OpCodes.Ldloc, retLocalBuilder);
}
}
else
{
methodGen.Emit(OpCodes.Ldnull);
}
methodGen.Emit(OpCodes.Callvirt, postProcessMethodInfo);
methodGen.Emit(OpCodes.Nop);
if (retLocalBuilder != null)
{
methodGen.Emit(OpCodes.Ldloc, retLocalBuilder);
}
methodGen.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodBuilder, baseMethod);
}
private void EmitMethod(Type originType, TypeBuilder typeBuilder, MethodInfo baseMethod, FieldBuilder targetField, FieldBuilder exceptionFilterField)
{
Type[] argTypes = EmitHelper.GetParametersType(baseMethod);
MethodInfo originMethod = ReflectionHelper.SearchMethod(originType, baseMethod.Name, argTypes);
MethodBuilder methodBuilder = EmitHelper.DefineDerivedMethodSignature(typeBuilder, baseMethod);
ILGenerator methodGen = methodBuilder.GetILGenerator();
LocalBuilder exceptionLocalBuilder = methodGen.DeclareLocal(typeof(Exception));
LocalBuilder retLocalBuilder = null; //是否有返回值
if (originMethod.ReturnType != typeof(void))
{
retLocalBuilder = methodGen.DeclareLocal(originMethod.ReturnType);
}
Label beginExceptionLabel = methodGen.BeginExceptionBlock();
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, targetField);
int converIndex = 0;
foreach (ParameterInfo pi in originMethod.GetParameters())
{
EmitHelper.LoadArg(methodGen, converIndex + 1);
EmitHelper.ConvertTopArgType(methodGen, argTypes[converIndex], pi.ParameterType);
converIndex++;
}
methodGen.Emit(OpCodes.Callvirt, originMethod);//调用目标方法
if (retLocalBuilder != null)
{
methodGen.Emit(OpCodes.Stloc_1);
}
methodGen.BeginCatchBlock(typeof(Exception));
methodGen.Emit(OpCodes.Stloc_0); //存储Exception到local
string methodPath = originMethod.DeclaringType.ToString() + "." + originMethod.Name; // ESBasic.Helpers.TypeHelper.GetClassSimpleName(originMethod.DeclaringType) + "." + originMethod.Name;
MethodInfo filterMethodInfo = typeof(IExceptionFilter).GetMethod("Filter", new Type[] { typeof(Exception), typeof(string), typeof(string) });
#region 构造methodParaInfo参数
//构造methodParaInfo string
MethodInfo contactStringMethodInfo = typeof(string).GetMethod("Concat", new Type[] { typeof(string), typeof(string) });
LocalBuilder methodParaInfoLocalBuilder = methodGen.DeclareLocal(typeof(string));
methodGen.Emit(OpCodes.Ldstr, "<Parameters>");
methodGen.Emit(OpCodes.Stloc, methodParaInfoLocalBuilder);
int paraIndex = 0;
foreach (ParameterInfo pi in originMethod.GetParameters())
{
bool isByRef = false;
Type paraType = pi.ParameterType;
if (paraType.IsByRef)
{
paraType = paraType.GetElementType();
isByRef = true;
}
Label continueLabel = methodGen.DefineLabel();
MethodInfo toStringMethodInfo = paraType.GetMethod("ToString", new Type[] { }); //不能用typeof(object).GetMethod("ToString", new Type[] { });
if (toStringMethodInfo == null) //如果paraType为接口类型，则toStringMethodInfo为null
{
toStringMethodInfo = typeof(object).GetMethod("ToString", new Type[] { });
}
if (!paraType.IsValueType)
{
EmitHelper.LoadArg(methodGen, paraIndex + 1);
if (isByRef)
{
methodGen.Emit(OpCodes.Ldind_Ref);
}
methodGen.Emit(OpCodes.Ldnull);
methodGen.Emit(OpCodes.Ceq);
methodGen.Emit(OpCodes.Brtrue, continueLabel);
}
methodGen.Emit(OpCodes.Ldloc, methodParaInfoLocalBuilder);
methodGen.Emit(OpCodes.Ldstr, string.Format("<{0}>", pi.Name));
methodGen.Emit(OpCodes.Call, contactStringMethodInfo);
#region 调用ToString()方法
if (paraType.IsEnum)
{
EmitHelper.LoadArg(methodGen, paraIndex + 1);
if (isByRef)
{
EmitHelper.Ldind(methodGen, paraType);
}
methodGen.Emit(OpCodes.Box, paraType);
methodGen.Emit(OpCodes.Callvirt, toStringMethodInfo);
}
else if (paraType.IsValueType)
{
if (isByRef)
{
EmitHelper.LoadArg(methodGen, paraIndex + 1);
}
else
{
methodGen.Emit(OpCodes.Ldarga_S, paraIndex + 1);
}
methodGen.Emit(OpCodes.Call, toStringMethodInfo);
}
else
{
EmitHelper.LoadArg(methodGen, paraIndex + 1);
if (isByRef)
{
EmitHelper.Ldind(methodGen, paraType);
}
methodGen.Emit(OpCodes.Callvirt, toStringMethodInfo);
}
#endregion
methodGen.Emit(OpCodes.Call, contactStringMethodInfo);
methodGen.Emit(OpCodes.Ldstr, string.Format("</{0}>", pi.Name));
methodGen.Emit(OpCodes.Call, contactStringMethodInfo);
methodGen.Emit(OpCodes.Stloc, methodParaInfoLocalBuilder);
methodGen.MarkLabel(continueLabel);
++paraIndex;
}
methodGen.Emit(OpCodes.Ldloc, methodParaInfoLocalBuilder);
methodGen.Emit(OpCodes.Ldstr, "</Parameters>");
methodGen.Emit(OpCodes.Call, contactStringMethodInfo);
methodGen.Emit(OpCodes.Stloc, methodParaInfoLocalBuilder);
#endregion
methodGen.Emit(OpCodes.Ldarg_0);
methodGen.Emit(OpCodes.Ldfld, exceptionFilterField);
methodGen.Emit(OpCodes.Ldloc_0); //加载Exception
methodGen.Emit(OpCodes.Ldstr, methodPath);
methodGen.Emit(OpCodes.Ldloc, methodParaInfoLocalBuilder);
methodGen.Emit(OpCodes.Callvirt, filterMethodInfo);
methodGen.Emit(OpCodes.Nop);
methodGen.Emit(OpCodes.Rethrow);
methodGen.Emit(OpCodes.Nop);
methodGen.EndExceptionBlock();
if (retLocalBuilder != null)
{
methodGen.Emit(OpCodes.Ldloc_1);
}
methodGen.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodBuilder, baseMethod);
}
private void EmitMethod(Type originType, TypeBuilder typeBuilder, MethodInfo baseMethod, FieldBuilder targetField, FieldBuilder aopInterceptorField)
{
int num;
Type[] parametersType = EmitHelper.GetParametersType(baseMethod);
MethodInfo meth = ReflectionHelper.SearchMethod(originType, baseMethod.Name, parametersType);
MethodBuilder methodInfoBody = EmitHelper.DefineDerivedMethodSignature(typeBuilder, baseMethod);
ILGenerator iLGenerator = methodInfoBody.GetILGenerator();
LocalBuilder local = iLGenerator.DeclareLocal(typeof(Type[]));
if (meth.IsGenericMethod)
{
Type[] genericArguments = meth.GetGenericArguments();
iLGenerator.Emit(OpCodes.Ldc_I4, genericArguments.Length);
iLGenerator.Emit(OpCodes.Newarr, typeof(Type));
iLGenerator.Emit(OpCodes.Stloc, local);
for (num = 0; num < genericArguments.Length; num++)
{
iLGenerator.Emit(OpCodes.Ldloc, local);
iLGenerator.Emit(OpCodes.Ldc_I4, num);
EmitHelper.LoadType(iLGenerator, genericArguments[num]);
iLGenerator.Emit(OpCodes.Stelem_Ref);
}
}
ParameterInfo[] parameters = meth.GetParameters();
LocalBuilder builder3 = iLGenerator.DeclareLocal(typeof(string[]));
LocalBuilder builder4 = iLGenerator.DeclareLocal(typeof(object[]));
if (parameters.Length > 0)
{
iLGenerator.Emit(OpCodes.Ldc_I4, parameters.Length);
iLGenerator.Emit(OpCodes.Newarr, typeof(string));
iLGenerator.Emit(OpCodes.Stloc, builder3);
for (num = 0; num < parameters.Length; num++)
{
iLGenerator.Emit(OpCodes.Ldloc, builder3);
iLGenerator.Emit(OpCodes.Ldc_I4, num);
iLGenerator.Emit(OpCodes.Ldstr, parameters[num].Name);
iLGenerator.Emit(OpCodes.Stelem_Ref);
}
iLGenerator.Emit(OpCodes.Ldc_I4, parameters.Length);
iLGenerator.Emit(OpCodes.Newarr, typeof(object));
iLGenerator.Emit(OpCodes.Stloc, builder4);
for (num = 0; num < parameters.Length; num++)
{
iLGenerator.Emit(OpCodes.Ldloc, builder4);
iLGenerator.Emit(OpCodes.Ldc_I4, num);
iLGenerator.Emit(OpCodes.Ldarg, (int)(num + 1));
if (parameters[num].ParameterType.IsByRef)
{
EmitHelper.Ldind(iLGenerator, parameters[num].ParameterType);
iLGenerator.Emit(OpCodes.Box, parameters[num].ParameterType.GetElementType());
}
else if (parameters[num].ParameterType.IsValueType)
{
iLGenerator.Emit(OpCodes.Box, parameters[num].ParameterType);
}
iLGenerator.Emit(OpCodes.Stelem_Ref);
}
}
LocalBuilder builder5 = iLGenerator.DeclareLocal(typeof(InterceptedMethod));
iLGenerator.Emit(OpCodes.Ldarg_0);
iLGenerator.Emit(OpCodes.Ldfld, targetField);
iLGenerator.Emit(OpCodes.Ldstr, meth.Name);
iLGenerator.Emit(OpCodes.Ldloc, local);
iLGenerator.Emit(OpCodes.Ldloc, builder3);
iLGenerator.Emit(OpCodes.Ldloc, builder4);
iLGenerator.Emit(OpCodes.Newobj, typeof(InterceptedMethod).GetConstructor(new Type[] { typeof(object), typeof(string), typeof(Type[]), typeof(string[]), typeof(object[]) }));
iLGenerator.Emit(OpCodes.Stloc, builder5);
MethodInfo method = typeof(IAopInterceptor).GetMethod("PreProcess", new Type[] { typeof(InterceptedMethod) });
iLGenerator.Emit(OpCodes.Ldarg_0);
iLGenerator.Emit(OpCodes.Ldfld, aopInterceptorField);
iLGenerator.Emit(OpCodes.Ldloc, builder5);
iLGenerator.Emit(OpCodes.Callvirt, method);
LocalBuilder builder6 = iLGenerator.DeclareLocal(typeof(IArounder));
MethodInfo info3 = typeof(IAopInterceptor).GetMethod("NewArounder");
iLGenerator.Emit(OpCodes.Ldarg_0);
iLGenerator.Emit(OpCodes.Ldfld, aopInterceptorField);
iLGenerator.Emit(OpCodes.Callvirt, info3);
iLGenerator.Emit(OpCodes.Stloc, builder6);
MethodInfo info4 = typeof(IArounder).GetMethod("BeginAround");
iLGenerator.Emit(OpCodes.Ldloc, builder6);
iLGenerator.Emit(OpCodes.Ldloc, builder5);
iLGenerator.Emit(OpCodes.Callvirt, info4);
LocalBuilder builder7 = null;
if (meth.ReturnType != typeof(void))
{
builder7 = iLGenerator.DeclareLocal(meth.ReturnType);
}
LocalBuilder builder8 = iLGenerator.DeclareLocal(typeof(Exception));
Label label = iLGenerator.BeginExceptionBlock();
iLGenerator.Emit(OpCodes.Ldarg_0);
iLGenerator.Emit(OpCodes.Ldfld, targetField);
int index = 0;
foreach (ParameterInfo info5 in meth.GetParameters())
{
EmitHelper.LoadArg(iLGenerator, index + 1);
EmitHelper.ConvertTopArgType(iLGenerator, parametersType[index], info5.ParameterType);
index++;
}
iLGenerator.Emit(OpCodes.Callvirt, meth);
if (builder7 != null)
{
iLGenerator.Emit(OpCodes.Stloc, builder7);
}
iLGenerator.BeginCatchBlock(typeof(Exception));
iLGenerator.Emit(OpCodes.Stloc, builder8);
MethodInfo info6 = typeof(IArounder).GetMethod("OnException");
iLGenerator.Emit(OpCodes.Ldloc, builder6);
iLGenerator.Emit(OpCodes.Ldloc, builder5);
iLGenerator.Emit(OpCodes.Ldloc, builder8);
iLGenerator.Emit(OpCodes.Callvirt, info6);
iLGenerator.Emit(OpCodes.Nop);
iLGenerator.Emit(OpCodes.Rethrow);
iLGenerator.Emit(OpCodes.Nop);
iLGenerator.EndExceptionBlock();
MethodInfo info7 = typeof(IArounder).GetMethod("EndAround");
iLGenerator.Emit(OpCodes.Ldloc, builder6);
if (builder7 != null)
{
if (meth.ReturnType.IsValueType)
{
iLGenerator.Emit(OpCodes.Ldloc, builder7);
iLGenerator.Emit(OpCodes.Box, meth.ReturnType);
}
else
{
iLGenerator.Emit(OpCodes.Ldloc, builder7);
}
}
else
{
iLGenerator.Emit(OpCodes.Ldnull);
}
iLGenerator.Emit(OpCodes.Callvirt, info7);
iLGenerator.Emit(OpCodes.Nop);
MethodInfo info8 = typeof(IAopInterceptor).GetMethod("PostProcess", new Type[] { typeof(InterceptedMethod), typeof(object) });
iLGenerator.Emit(OpCodes.Ldarg_0);
iLGenerator.Emit(OpCodes.Ldfld, aopInterceptorField);
iLGenerator.Emit(OpCodes.Ldloc, builder5);
if (builder7 != null)
{
if (meth.ReturnType.IsValueType)
{
iLGenerator.Emit(OpCodes.Ldloc, builder7);
iLGenerator.Emit(OpCodes.Box, meth.ReturnType);
}
else
{
iLGenerator.Emit(OpCodes.Ldloc, builder7);
}
}
else
{
iLGenerator.Emit(OpCodes.Ldnull);
}
iLGenerator.Emit(OpCodes.Callvirt, info8);
iLGenerator.Emit(OpCodes.Nop);
if (builder7 != null)
{
iLGenerator.Emit(OpCodes.Ldloc, builder7);
}
iLGenerator.Emit(OpCodes.Ret);
typeBuilder.DefineMethodOverride(methodInfoBody, baseMethod);
}