protected Delegate GenerateDynamicShim(Type returnType = null)
{
var expressionParamsArray = ExpressionParameters.Select(p => p.Type).ToArray();
Type[] paramTypesArray;
if (Method.IsStatic)
{
paramTypesArray = expressionParamsArray;
}
else
{
var invokingTypeArray = new Type[] { DeclaringType };
paramTypesArray = new Type[expressionParamsArray.Length + 1];
invokingTypeArray.CopyTo(paramTypesArray, 0);
expressionParamsArray.CopyTo(paramTypesArray, 1);
}
var dynamicMethod = new DynamicMethod("shimmy_" + Method.Name,
MethodAttributes.Public | MethodAttributes.Static,
CallingConventions.Standard,
Method.ReturnType,
paramTypesArray,
DeclaringType,
false);
return(ShimmedMemberHelper.GenerateDynamicShim(dynamicMethod,
LibraryReferenceGuid,
paramTypesArray,
returnType));
}
public ShimReplacement(ShimmedMember parent, Type returnType, object returnValue, bool isPassThrough = false)
{
Parent = parent ?? throw new ArgumentNullException(nameof(parent));
ReturnType = returnType ?? throw new ArgumentNullException(nameof(ReturnType));
IsPassThrough = isPassThrough;
HasReturnValue = ShimmedMemberHelper.MemberCanReturn(parent.Member) && ReturnType != typeof(void);
if (HasReturnValue)
{
ReturnValue = returnValue;
}
}
private Delegate GenerateDynamicShim()
{
var expressionParamsArray = ExpressionParameters.Select(p => p.Type).ToArray();
var dynamicMethod = new DynamicMethod("shimmy_ctor_" + Constructor.Name,
MethodAttributes.Public | MethodAttributes.Static,
CallingConventions.Standard,
Constructor.DeclaringType,
expressionParamsArray,
Constructor.DeclaringType,
false);
return(ShimmedMemberHelper.GenerateDynamicShim(dynamicMethod,
LibraryReferenceGuid,
expressionParamsArray,
Constructor.DeclaringType));
}
public ShimmedConstructor(ConstructorInfo constructor) : base()
{
Init(constructor, constructor.DeclaringType, ShimmedMemberHelper.GetDefaultValue(constructor.DeclaringType));
}
