static public Advisor Returning(this Advisor.IAfter @this, Action <ILGenerator> advise)
{
return(@this.Returning(new Action <MethodBuilder>(_Method =>
{
var _body = _Method.GetILGenerator();
advise(_body);
_body.Emit(OpCodes.Ret);
})));
}
static public Advisor Returning(this Advisor.IAfter @this, Func <Advisor.Execution.Returning, Expression> advise)
{
var _signature = @this.Generator.Method.GetParameters().Select(_Parameter => Expression.Parameter(_Parameter.ParameterType));
return(@this.Returning(new Action <MethodBuilder>(_Method =>
{
if (@this.Generator.Method.IsStatic)
{
Expression.Lambda(advise(new Advisor.Execution.Returning(@this.Generator.Method, null, new Collection <Expression>(_signature))), _signature).CompileToMethod(_Method);
}
else
{
var _instance = Expression.Parameter(@this.Generator.Method.DeclaringType);
Expression.Lambda(advise(new Advisor.Execution.Returning(@this.Generator.Method, _instance, new Collection <Expression>(_signature))), new ParameterExpression[] { _instance }.Concat(_signature)).CompileToMethod(_Method);
}
})));
}
static public Advisor Returning(this Advisor.IAfter @this, Action advice)
{
return(@this.Returning(Expression.Call(Expression.Field(null, Aspect.Module.DefineField(advice)), Metadata <Action> .Method(_Action => _Action.Invoke()))));
}
static public Advisor Returning(this Advisor.IAfter @this, Expression advice)
{
return(@this.Returning(_Execution => advice));
}