private SetPropertyValueDelegate CreateSetPropertyValueMethod(PropertyInfo pi)
{
MethodInfo methodInfo = pi.GetSetMethod(true);
if (methodInfo == null)
{
return(null);
}
DynamicMethod method =
ILUtil.CreateDynamicMethod(m_reflectedType, typeof(void), new Type[] { typeof(object), typeof(object) });
ILGenerator il = method.GetILGenerator();
LocalBuilder thisLocal = il.DeclareLocal(m_refinedType);
il.Emit(OpCodes.Ldarg_0);
ILUtil.EmitCastToReference(il, m_reflectedType);
il.Emit(OpCodes.Stloc, thisLocal.LocalIndex);
il.Emit(OpCodes.Ldloc, thisLocal);
il.Emit(OpCodes.Ldarg_1);
ILUtil.UnboxIfNeeded(il, methodInfo.GetParameters()[0].ParameterType);
il.Emit(OpCodes.Call, methodInfo);
il.Emit(OpCodes.Ret);
return((SetPropertyValueDelegate)method.CreateDelegate(typeof(SetPropertyValueDelegate)));
}
private GetPropertyValueDelegate CreateGetPropertyValueMethod(PropertyInfo pi)
{
MethodInfo methodInfo = pi.GetGetMethod();
if (methodInfo == null)
{
return(null);
}
DynamicMethod method =
ILUtil.CreateDynamicMethod(m_reflectedType, typeof(object), new Type[] { typeof(object) });
ILGenerator il = method.GetILGenerator();
LocalBuilder thisLocal = il.DeclareLocal(m_refinedType);
il.Emit(OpCodes.Ldarg_0);
ILUtil.EmitCastToReference(il, m_reflectedType);
il.Emit(OpCodes.Stloc, thisLocal.LocalIndex);
il.Emit(OpCodes.Ldloc, thisLocal);
il.EmitCall(OpCodes.Callvirt, methodInfo, null);
ILUtil.BoxIfNeeded(il, pi.PropertyType);
il.Emit(OpCodes.Ret);
return((GetPropertyValueDelegate)method.CreateDelegate(typeof(GetPropertyValueDelegate)));
}
private SetFieldValueDelegate CreateSetFieldValueMethod(FieldInfo field)
{
DynamicMethod method =
ILUtil.CreateDynamicMethod(m_reflectedType, null, new Type[] { typeof(object), typeof(object) });
ILGenerator il = method.GetILGenerator();
LocalBuilder thisLocal = il.DeclareLocal(m_refinedType);
il.Emit(OpCodes.Ldarg_0);
ILUtil.EmitCastToReference(il, m_reflectedType);
il.Emit(OpCodes.Stloc, thisLocal.LocalIndex);
Type valueType = field.FieldType;
// load 'this'
il.Emit(OpCodes.Ldloc, thisLocal);
il.Emit(OpCodes.Ldarg_1);
ILUtil.PrepareFieldForSet(il, valueType);
il.Emit(OpCodes.Stfld, field);
il.Emit(OpCodes.Ret);
return((SetFieldValueDelegate)method.CreateDelegate(typeof(SetFieldValueDelegate)));
}
private GetFieldValueDelegate CreateGetFieldValueMethod(FieldInfo field)
{
DynamicMethod method =
ILUtil.CreateDynamicMethod(m_reflectedType, typeof(object), new Type[] { typeof(object) });
ILGenerator il = method.GetILGenerator();
LocalBuilder thisLocal = il.DeclareLocal(m_refinedType);
LocalBuilder dataLocal = il.DeclareLocal(typeof(object));
il.Emit(OpCodes.Ldarg_0);
ILUtil.EmitCastToReference(il, m_reflectedType);
il.Emit(OpCodes.Stloc, thisLocal);
ConstructorInfo ci = ReflectionUtil.GetDefaultConstructor(typeof(object));
il.Emit(OpCodes.Newobj, ci);
il.Emit(OpCodes.Stloc, dataLocal);
// get the value
il.Emit(OpCodes.Ldloc, thisLocal);
il.Emit(OpCodes.Ldfld, field);
ILUtil.BoxIfNeeded(il, field.FieldType);
il.Emit(OpCodes.Stloc, dataLocal);
il.Emit(OpCodes.Ldloc, dataLocal);
il.Emit(OpCodes.Ret);
return((GetFieldValueDelegate)method.CreateDelegate(typeof(GetFieldValueDelegate)));
}
private SetFieldValuesDelegate CreateSetFieldValuesMethod(FieldInfo[] fields)
{
Type[] methodArguments = new Type[] { typeof(object), typeof(object[]) };
DynamicMethod method = ILUtil.CreateDynamicMethod(m_reflectedType, null, methodArguments);
ILGenerator il = method.GetILGenerator();
LocalBuilder thisLocal = il.DeclareLocal(m_refinedType);
il.Emit(OpCodes.Ldarg_0);
ILUtil.EmitCastToReference(il, m_reflectedType);
il.Emit(OpCodes.Stloc, thisLocal.LocalIndex);
for (int i = 0; i < fields.Length; i++)
{
Type valueType = fields[i].FieldType;
// load 'this'
il.Emit(OpCodes.Ldloc, thisLocal);
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldc_I4, i);
il.Emit(OpCodes.Ldelem_Ref);
ILUtil.PrepareFieldForSet(il, valueType);
il.Emit(OpCodes.Stfld, fields[i]);
}
il.Emit(OpCodes.Ret);
return((SetFieldValuesDelegate)method.CreateDelegate(typeof(SetFieldValuesDelegate)));
}
private GetFieldValuesDelegate CreateGetFieldValuesMethod(FieldInfo[] fields)
{
Type[] methodArguments = new Type[] { typeof(object) };
DynamicMethod method = ILUtil.CreateDynamicMethod(m_reflectedType, typeof(object[]), methodArguments);
ILGenerator il = method.GetILGenerator();
LocalBuilder thisLocal = il.DeclareLocal(m_refinedType);
LocalBuilder dataLocal = il.DeclareLocal(typeof(object[]));
il.Emit(OpCodes.Ldarg_0);
ILUtil.EmitCastToReference(il, m_reflectedType);
il.Emit(OpCodes.Stloc, thisLocal);
il.Emit(OpCodes.Ldc_I4, fields.Length);
il.Emit(OpCodes.Newarr, typeof(object));
il.Emit(OpCodes.Stloc, dataLocal);
for (int i = 0; i < fields.Length; i++)
{
FieldInfo field = fields[i];
il.Emit(OpCodes.Ldloc, dataLocal);
il.Emit(OpCodes.Ldc_I4, i);
// get the value
il.Emit(OpCodes.Ldloc, thisLocal);
il.Emit(OpCodes.Ldfld, field);
ILUtil.BoxIfNeeded(il, field.FieldType);
il.Emit(OpCodes.Stelem_Ref);
}
il.Emit(OpCodes.Ldloc, dataLocal.LocalIndex);
il.Emit(OpCodes.Ret);
return((GetFieldValuesDelegate)method.CreateDelegate(typeof(GetFieldValuesDelegate)));
}