private void init(ConstructorInfo constructor)
{
if (constructor == null)
{
throw new ArgumentException("Argument: constructor is null");
}
if (!constructor.IsPublic)
{
var types = ReflectionHelper.ConvertToType(constructor.GetParameters());
Constructor = arguments => constructor.Invoke(ReflectionHelper.GetArgumentByType(arguments, types));
return;
}
DynamicMethod method = new DynamicMethod(ReflectionHelper.GetMemberSignName(constructor), ReflectionHelper.ObjectType, new Type[] { ReflectionHelper.ObjArrayType });
var il = method.GetILGenerator();
var args = constructor.GetParameters();
if (args != null)
{
for (byte i = 0; i < args.Length; i++)
{
ReflectionHelper.ILLdarg(il, 0);
ReflectionHelper.ILLdelem(il, i, ReflectionHelper.ObjectType);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, args[i].ParameterType);
}
}
il.Emit(OpCodes.Newobj, constructor);
ReflectionHelper.ILCastclass(il, constructor.DeclaringType, ReflectionHelper.ObjectType);
il.Emit(OpCodes.Ret);
Constructor = (Func <object[], object>)method.CreateDelegate(typeof(Func <object[], object>));
}
void init(FieldInfo field)
{
if (field == null)
{
throw new ArgumentException("Argument: field is null");
}
var name = ReflectionHelper.GetMemberSignName(field);
var type = field.DeclaringType;
#if DEBUG1
ModuleBuilder moduleBuilder = ReflectionHelp.EmitDebug();
ISymbolDocumentWriter doc = moduleBuilder.DefineDocument(@"d:\IL的cs源代码片断在这里.txt", Guid.Empty, Guid.Empty, Guid.Empty); //要定义源代码位置，这个文档不需要全部源代码，只需要你想调试的il源代码翻译就可以了
DynamicMethod method = new DynamicMethod(name + "_get", ReflectionHelp.ObjectType, new Type[] { ReflectionHelp.ObjectType }, moduleBuilder);
#else
DynamicMethod method = new DynamicMethod(name + "_get", ReflectionHelper.ObjectType, new Type[] { ReflectionHelper.ObjectType });
#endif
var il = method.GetILGenerator();
ReflectionHelper.ILLdarg(il, 0);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, type);
il.Emit(OpCodes.Ldfld, field);
ReflectionHelper.ILCastclass(il, field.FieldType, ReflectionHelper.ObjectType);
#if DEBUG1
il.MarkSequencePoint(doc, 1, 0, 1, 100);//DynamicMethod不支持
#endif
il.Emit(OpCodes.Ret);
FieldGet = (Func <object, object>)method.CreateDelegate(typeof(Func <object, object>));
method = new DynamicMethod(name + "_set", ReflectionHelper.VoidType, new Type[] { ReflectionHelper.ObjectType, ReflectionHelper.ObjectType });
il = method.GetILGenerator();
ReflectionHelper.ILLdarg(il, 0);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, type);
ReflectionHelper.ILLdarg(il, 1);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, field.FieldType);
il.Emit(OpCodes.Stfld, field);
il.Emit(OpCodes.Ret);
FieldSet = (Action <object, object>)method.CreateDelegate(typeof(Action <object, object>));
}
void init(MethodInfo method)
{
if (method == null)
{
throw new ArgumentException("Argument: method is null");
}
var type = method.DeclaringType;
DynamicMethod Dmethod = new DynamicMethod(ReflectionHelper.GetMemberSignName(method), ReflectionHelper.ObjectType, new Type[] { ReflectionHelper.ObjectType, ReflectionHelper.ObjArrayType });
var il = Dmethod.GetILGenerator();
ReflectionHelper.ILLdarg(il, 0);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, type);
var args = method.GetParameters();
if (args != null)
{
for (byte i = 0; i < args.Length; i++)
{
ReflectionHelper.ILLdarg(il, 1);
ReflectionHelper.ILLdelem(il, i, ReflectionHelper.ObjectType);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, args[i].ParameterType);
}
}
il.Emit(OpCodes.Callvirt, method);
if (method.ReturnType != ReflectionHelper.VoidType)
{
ReflectionHelper.ILCastclass(il, method.ReturnType, ReflectionHelper.ObjectType);
}
else
{
il.Emit(OpCodes.Ldnull);
}
il.Emit(OpCodes.Ret);
MethodInvoker = (Func <object, object[], object>)Dmethod.CreateDelegate(typeof(Func <object, object[], object>));
}
void init(PropertyInfo property)
{
if (property == null)
{
throw new ArgumentException("Argument: property is null");
}
var getmethod = property.GetGetMethod();
var setmethod = property.GetSetMethod();
//PropertyGet = new DelegateMethodInvoker(property.GetGetMethod());
//PropertySet = new DelegateMethodInvoker(property.GetSetMethod());
var name = ReflectionHelper.GetMemberSignName(property);
var type = property.DeclaringType;
if (getmethod != null && !getmethod.IsPublic)
{
PropertyGet = obj => property.GetValue(obj, null);
}
else
{
DynamicMethod method = new DynamicMethod(name + "_get", ReflectionHelper.ObjectType, new Type[] { ReflectionHelper.ObjectType });
var il = method.GetILGenerator();
if (getmethod != null)
{
ReflectionHelper.ILLdarg(il, 0);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, type);
il.Emit(OpCodes.Callvirt, getmethod);
ReflectionHelper.ILCastclass(il, property.PropertyType, ReflectionHelper.ObjectType);
il.Emit(OpCodes.Ret);
}
else
{
ReflectionHelper.ILThrow <MethodAccessException>(il, "get method not found");
}
PropertyGet = (Func <object, object>)method.CreateDelegate(typeof(Func <object, object>));
}
if (setmethod != null && !setmethod.IsPublic)
{
PropertySet = (obj, val) => property.SetValue(obj, val, null);
}
else
{
DynamicMethod method = new DynamicMethod(name + "_set", ReflectionHelper.VoidType, new Type[] { ReflectionHelper.ObjectType, ReflectionHelper.ObjectType });
var il = method.GetILGenerator();
if (setmethod != null)
{
ReflectionHelper.ILLdarg(il, 0);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, type);
ReflectionHelper.ILLdarg(il, 1);
ReflectionHelper.ILCastclass(il, ReflectionHelper.ObjectType, property.PropertyType);
il.Emit(OpCodes.Callvirt, setmethod);
il.Emit(OpCodes.Ret);
}
else
{
ReflectionHelper.ILThrow <MethodAccessException>(il, "set method not found");
}
PropertySet = (Action <object, object>)method.CreateDelegate(typeof(Action <object, object>));
}
}