public Func <object, object> CreateDelegate(Type fromType, Type toType, IFormatProvider provider)
{
var convertDynamicMethod = new DynamicMethod(
"ConvertFrom" + fromType.Name + "To" + toType.Name + "NonGeneric",
typeof(object),
new[] { typeof(IFormatProvider), typeof(object) },
typeof(ConverterFactory).GetTypeInfo().Module,
true);
var il = new ILGeneratorAdapter(this.mapCfg);
il.Emit(OpCodes.Ldarg_1);
il.Emit(fromType.GetTypeInfo().IsValueType ? OpCodes.Unbox_Any : OpCodes.Castclass, fromType); // cast input to correct type
il.EmitConvertValue(fromType, toType, new HashSet <Type>());
il.Emit(OpCodes.Box, toType);
il.Emit(OpCodes.Ret);
return((Func <object, object>) this.CompileDynamicMethod <Func <object, object> >(convertDynamicMethod, il.Instructions, provider));
//return (Func<object, object>)convertDynamicMethod.CreateDelegate(typeof(Func<object, object>), provider);
}
public Func <TFrom, TTo> CreateDelegate <TFrom, TTo>(IFormatProvider provider)
{
var toType = typeof(TTo);
var fromType = typeof(TFrom);
var convertDynamicMethod = new DynamicMethod(
"ConvertFrom" + fromType.Name + "To" + toType.Name,
toType,
new[] { typeof(IFormatProvider), fromType },
typeof(ConverterFactory).GetTypeInfo().Module,
true);
var il = new ILGeneratorAdapter(this.mapCfg);
il.Emit(OpCodes.Ldarg_1);
il.EmitConvertValue(fromType, toType, new HashSet <Type>());
il.Emit(OpCodes.Ret);
return((Func <TFrom, TTo>) this.CompileDynamicMethod <Func <TFrom, TTo> >(convertDynamicMethod, il.Instructions, provider));
//return (Converter<TFrom, TTo>)convertDynamicMethod.CreateDelegate(typeof(Func<TFrom, TTo>), provider);
}
