You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
446 lines
19 KiB
446 lines
19 KiB
using IPA.Config.Data;
|
|
using IPA.Logging;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.Reflection.Emit;
|
|
using System.Text;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
#if NET3
|
|
using Net3_Proxy;
|
|
using Array = Net3_Proxy.Array;
|
|
#endif
|
|
|
|
namespace IPA.Config.Stores
|
|
{
|
|
internal static class GeneratedStore
|
|
{
|
|
private interface IGeneratedStore
|
|
{
|
|
/// <summary>
|
|
/// serializes/deserializes to Value
|
|
/// </summary>
|
|
Value Values { get; set; }
|
|
Type Type { get; }
|
|
IGeneratedStore Parent { get; }
|
|
Impl Impl { get; }
|
|
}
|
|
|
|
private class Impl : IConfigStore
|
|
{
|
|
private IGeneratedStore generated;
|
|
|
|
internal static ConstructorInfo Ctor = typeof(Impl).GetConstructor(new[] { typeof(IGeneratedStore) });
|
|
public Impl(IGeneratedStore store) => generated = store;
|
|
|
|
private readonly AutoResetEvent resetEvent = new AutoResetEvent(false);
|
|
public WaitHandle SyncObject => resetEvent;
|
|
internal static MethodInfo SyncObjectGetMethod = typeof(Impl).GetProperty(nameof(SyncObject)).GetGetMethod();
|
|
|
|
public ReaderWriterLockSlim WriteSyncObject { get; } = new ReaderWriterLockSlim();
|
|
internal static MethodInfo WriteSyncObjectGetMethod = typeof(Impl).GetProperty(nameof(WriteSyncObject)).GetGetMethod();
|
|
|
|
internal static MethodInfo ImplSignalChangedMethod = typeof(Impl).GetMethod(nameof(ImplSignalChanged));
|
|
internal static void ImplSignalChanged(IGeneratedStore s) => FindImpl(s).SignalChanged();
|
|
internal void SignalChanged() => resetEvent.Set();
|
|
|
|
internal static MethodInfo ImplTakeReadMethod = typeof(Impl).GetMethod(nameof(ImplTakeRead));
|
|
internal static void ImplTakeRead(IGeneratedStore s) => FindImpl(s).TakeRead();
|
|
internal void TakeRead() => WriteSyncObject.EnterReadLock();
|
|
|
|
internal static MethodInfo ImplReleaseReadMethod = typeof(Impl).GetMethod(nameof(ImplReleaseRead));
|
|
internal static void ImplReleaseRead(IGeneratedStore s) => FindImpl(s).ReleaseRead();
|
|
internal void ReleaseRead() => WriteSyncObject.ExitWriteLock();
|
|
|
|
internal static MethodInfo ImplTakeWriteMethod = typeof(Impl).GetMethod(nameof(ImplTakeWrite));
|
|
internal static void ImplTakeWrite(IGeneratedStore s) => FindImpl(s).TakeWrite();
|
|
internal void TakeWrite() => WriteSyncObject.EnterWriteLock();
|
|
|
|
internal static MethodInfo ImplReleaseWriteMethod = typeof(Impl).GetMethod(nameof(ImplReleaseWrite));
|
|
internal static void ImplReleaseWrite(IGeneratedStore s) => FindImpl(s).ReleaseWrite();
|
|
internal void ReleaseWrite() => WriteSyncObject.ExitWriteLock();
|
|
|
|
internal static MethodInfo FindImplMethod = typeof(Impl).GetMethod(nameof(FindImpl));
|
|
internal static Impl FindImpl(IGeneratedStore store)
|
|
{
|
|
while (store != null) store = store.Parent; // walk to the top of the tree
|
|
return store?.Impl;
|
|
}
|
|
|
|
|
|
|
|
internal static MethodInfo ReadFromMethod = typeof(Impl).GetMethod(nameof(ReadFrom));
|
|
public void ReadFrom(IConfigProvider provider)
|
|
{
|
|
// TODO: implement
|
|
Logger.config.Debug("Generated impl ReadFrom");
|
|
}
|
|
|
|
internal static MethodInfo WriteToMethod = typeof(Impl).GetMethod(nameof(WriteTo));
|
|
public void WriteTo(IConfigProvider provider)
|
|
{
|
|
var values = generated.Values;
|
|
// TODO: implement
|
|
Logger.config.Debug("Generated impl WriteTo");
|
|
}
|
|
}
|
|
|
|
private static Dictionary<Type, Func<IGeneratedStore, IConfigStore>> generatedCreators = new Dictionary<Type, Func<IGeneratedStore, IConfigStore>>();
|
|
private static Dictionary<Type, Dictionary<string, Type>> memberMaps = new Dictionary<Type, Dictionary<string, Type>>();
|
|
|
|
public static T Create<T>() where T : class => (T)Create(typeof(T));
|
|
|
|
public static IConfigStore Create(Type type) => Create(type, null);
|
|
|
|
private static IConfigStore Create(Type type, IGeneratedStore parent)
|
|
{
|
|
if (generatedCreators.TryGetValue(type, out var creator))
|
|
return creator(parent);
|
|
else
|
|
{
|
|
creator = MakeCreator(type);
|
|
generatedCreators.Add(type, creator);
|
|
return creator(parent);
|
|
}
|
|
}
|
|
|
|
private static AssemblyBuilder assembly = null;
|
|
private static AssemblyBuilder Assembly
|
|
{
|
|
get
|
|
{
|
|
if (assembly == null)
|
|
{
|
|
var name = new AssemblyName("IPA.Config.Generated");
|
|
assembly = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.RunAndSave);
|
|
}
|
|
|
|
return assembly;
|
|
}
|
|
}
|
|
private static ModuleBuilder module = null;
|
|
private static ModuleBuilder Module
|
|
{
|
|
get
|
|
{
|
|
if (module == null)
|
|
module = Assembly.DefineDynamicModule(Assembly.GetName().Name);
|
|
|
|
return module;
|
|
}
|
|
}
|
|
|
|
private struct SerializedMemberInfo
|
|
{
|
|
public string Name;
|
|
public MemberInfo Member;
|
|
public bool IsVirtual;
|
|
public Type Type;
|
|
}
|
|
|
|
private static Func<IGeneratedStore, IConfigStore> MakeCreator(Type type)
|
|
{
|
|
var baseCtor = type.GetConstructor(Type.EmptyTypes); // get a default constructor
|
|
if (baseCtor == null)
|
|
throw new ArgumentException("Config type does not have a public parameterless constructor");
|
|
|
|
var typeBuilder = Module.DefineType($"{type.FullName}.Generated",
|
|
TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.Class, type);
|
|
|
|
var typeField = typeBuilder.DefineField("<>_type", typeof(Type), FieldAttributes.Private | FieldAttributes.InitOnly);
|
|
var implField = typeBuilder.DefineField("<>_impl", typeof(Impl), FieldAttributes.Private | FieldAttributes.InitOnly);
|
|
var parentField = typeBuilder.DefineField("<>_parent", typeof(IGeneratedStore), FieldAttributes.Private | FieldAttributes.InitOnly);
|
|
|
|
var GetTypeFromHandle = typeof(Type).GetMethod(nameof(Type.GetTypeFromHandle));
|
|
|
|
#region Parse base object structure
|
|
var baseChanged = type.GetMethod("Changed", BindingFlags.Public | BindingFlags.Instance, null, Type.EmptyTypes, Array.Empty<ParameterModifier>());
|
|
if (baseChanged != null && !baseChanged.IsVirtual) baseChanged = null; // limit this to just the one thing
|
|
|
|
var structure = new Dictionary<string, SerializedMemberInfo>();
|
|
|
|
// TODO: incorporate attributes
|
|
|
|
// only looks at public properties
|
|
foreach (var prop in type.GetProperties(BindingFlags.Instance | BindingFlags.Public))
|
|
{
|
|
var smi = new SerializedMemberInfo
|
|
{
|
|
Name = prop.Name,
|
|
Member = prop,
|
|
IsVirtual = (prop.GetGetMethod(true)?.IsVirtual ?? false) ||
|
|
(prop.GetSetMethod(true)?.IsVirtual ?? false),
|
|
Type = prop.PropertyType
|
|
};
|
|
|
|
structure.Add(smi.Name, smi);
|
|
}
|
|
|
|
// only look at public fields
|
|
foreach (var field in type.GetFields(BindingFlags.Instance | BindingFlags.Public))
|
|
{
|
|
var smi = new SerializedMemberInfo
|
|
{
|
|
Name = field.Name,
|
|
Member = field,
|
|
IsVirtual = false,
|
|
Type = field.FieldType
|
|
};
|
|
|
|
structure.Add(smi.Name, smi);
|
|
}
|
|
#endregion
|
|
|
|
#region Constructor
|
|
// takes its parent
|
|
var ctor = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, new[] { typeof(IGeneratedStore) });
|
|
{
|
|
var il = ctor.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0); // keep this at bottom of stack
|
|
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Call, baseCtor);
|
|
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Ldarg_1); // load parent
|
|
il.Emit(OpCodes.Stfld, parentField);
|
|
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Ldtoken, type);
|
|
il.Emit(OpCodes.Call, GetTypeFromHandle); // effectively typeof(type)
|
|
il.Emit(OpCodes.Stfld, typeField);
|
|
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Newobj, Impl.Ctor);
|
|
il.Emit(OpCodes.Stfld, implField);
|
|
|
|
foreach (var kvp in structure)
|
|
EmitMemberFix(il, kvp.Value);
|
|
|
|
il.Emit(OpCodes.Pop);
|
|
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
|
|
const MethodAttributes propertyMethodAttr = MethodAttributes.Public | MethodAttributes.SpecialName | MethodAttributes.HideBySig;
|
|
const MethodAttributes virtualPropertyMethodAttr = propertyMethodAttr | MethodAttributes.Virtual | MethodAttributes.Final;
|
|
const MethodAttributes virtualMemberMethod = MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig | MethodAttributes.Final;
|
|
|
|
#region IGeneratedStore
|
|
typeBuilder.AddInterfaceImplementation(typeof(IGeneratedStore));
|
|
|
|
var IGeneratedStore_t = typeof(IGeneratedStore);
|
|
var IGeneratedStore_GetImpl = IGeneratedStore_t.GetProperty(nameof(IGeneratedStore.Impl)).GetGetMethod();
|
|
var IGeneratedStore_GetType = IGeneratedStore_t.GetProperty(nameof(IGeneratedStore.Type)).GetGetMethod();
|
|
var IGeneratedStore_GetParent = IGeneratedStore_t.GetProperty(nameof(IGeneratedStore.Parent)).GetGetMethod();
|
|
var IGeneratedStore_GetValues = IGeneratedStore_t.GetProperty(nameof(IGeneratedStore.Values)).GetGetMethod();
|
|
var IGeneratedStore_SetValues = IGeneratedStore_t.GetProperty(nameof(IGeneratedStore.Values)).GetSetMethod();
|
|
|
|
#region IGeneratedStore.Impl
|
|
var implProp = typeBuilder.DefineProperty(nameof(IGeneratedStore.Impl), PropertyAttributes.None, typeof(Impl), null);
|
|
var implPropGet = typeBuilder.DefineMethod($"<g>{nameof(IGeneratedStore.Impl)}", virtualPropertyMethodAttr, implProp.PropertyType, Type.EmptyTypes);
|
|
implProp.SetGetMethod(implPropGet);
|
|
typeBuilder.DefineMethodOverride(implPropGet, IGeneratedStore_GetImpl);
|
|
|
|
{
|
|
var il = implPropGet.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0); // load this
|
|
il.Emit(OpCodes.Ldfld, implField); // load impl field
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#region IGeneratedStore.Type
|
|
var typeProp = typeBuilder.DefineProperty(nameof(IGeneratedStore.Type), PropertyAttributes.None, typeof(Type), null);
|
|
var typePropGet = typeBuilder.DefineMethod($"<g>{nameof(IGeneratedStore.Type)}", virtualPropertyMethodAttr, typeProp.PropertyType, Type.EmptyTypes);
|
|
typeProp.SetGetMethod(typePropGet);
|
|
typeBuilder.DefineMethodOverride(typePropGet, IGeneratedStore_GetType);
|
|
|
|
{
|
|
var il = typePropGet.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0); // load this
|
|
il.Emit(OpCodes.Ldfld, typeField); // load impl field
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#region IGeneratedStore.Parent
|
|
var parentProp = typeBuilder.DefineProperty(nameof(IGeneratedStore.Parent), PropertyAttributes.None, typeof(IGeneratedStore), null);
|
|
var parentPropGet = typeBuilder.DefineMethod($"<g>{nameof(IGeneratedStore.Parent)}", virtualPropertyMethodAttr, parentProp.PropertyType, Type.EmptyTypes);
|
|
parentProp.SetGetMethod(parentPropGet);
|
|
typeBuilder.DefineMethodOverride(parentPropGet, IGeneratedStore_GetParent);
|
|
|
|
{
|
|
var il = parentPropGet.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0); // load this
|
|
il.Emit(OpCodes.Ldfld, parentField); // load impl field
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#region IGeneratedStore.Values
|
|
var valuesProp = typeBuilder.DefineProperty(nameof(IGeneratedStore.Values), PropertyAttributes.None, typeof(Value), null);
|
|
var valuesPropGet = typeBuilder.DefineMethod($"<g>{nameof(IGeneratedStore.Values)}", virtualPropertyMethodAttr, valuesProp.PropertyType, Type.EmptyTypes);
|
|
var valuesPropSet = typeBuilder.DefineMethod($"<s>{nameof(IGeneratedStore.Values)}", virtualPropertyMethodAttr, null, new[] { valuesProp.PropertyType });
|
|
valuesProp.SetGetMethod(valuesPropGet);
|
|
typeBuilder.DefineMethodOverride(valuesPropGet, IGeneratedStore_GetValues);
|
|
valuesProp.SetSetMethod(valuesPropSet);
|
|
typeBuilder.DefineMethodOverride(valuesPropSet, IGeneratedStore_SetValues);
|
|
|
|
{ // this is non-locking because the only code that will call this will already own the correct lock
|
|
var il = valuesPropGet.GetILGenerator();
|
|
|
|
// TODO: implement get_Values
|
|
il.Emit(OpCodes.Ldnull);
|
|
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
|
|
{ // this is non-locking because the only code that will call this will already own the correct lock
|
|
var il = valuesPropSet.GetILGenerator();
|
|
|
|
// TODO: implement set_Values
|
|
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#endregion
|
|
|
|
#region IConfigStore
|
|
typeBuilder.AddInterfaceImplementation(typeof(IConfigStore));
|
|
|
|
var IConfigStore_t = typeof(IConfigStore);
|
|
var IConfigStore_GetSyncObject = IConfigStore_t.GetProperty(nameof(IConfigStore.SyncObject)).GetGetMethod();
|
|
var IConfigStore_GetWriteSyncObject = IConfigStore_t.GetProperty(nameof(IConfigStore.WriteSyncObject)).GetGetMethod();
|
|
var IConfigStore_WriteTo = IConfigStore_t.GetMethod(nameof(IConfigStore.WriteTo));
|
|
var IConfigStore_ReadFrom = IConfigStore_t.GetMethod(nameof(IConfigStore.ReadFrom));
|
|
|
|
#region IConfigStore.SyncObject
|
|
var syncObjProp = typeBuilder.DefineProperty(nameof(IConfigStore.SyncObject), PropertyAttributes.None, typeof(WaitHandle), null);
|
|
var syncObjPropGet = typeBuilder.DefineMethod($"<g>{nameof(IConfigStore.SyncObject)}", virtualPropertyMethodAttr, syncObjProp.PropertyType, Type.EmptyTypes);
|
|
syncObjProp.SetGetMethod(syncObjPropGet);
|
|
typeBuilder.DefineMethodOverride(syncObjPropGet, IConfigStore_GetSyncObject);
|
|
|
|
{
|
|
var il = syncObjPropGet.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Call, Impl.FindImplMethod);
|
|
il.Emit(OpCodes.Tailcall);
|
|
il.Emit(OpCodes.Call, Impl.SyncObjectGetMethod);
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#region IConfigStore.WriteSyncObject
|
|
var writeSyncObjProp = typeBuilder.DefineProperty(nameof(IConfigStore.WriteSyncObject), PropertyAttributes.None, typeof(WaitHandle), null);
|
|
var writeSyncObjPropGet = typeBuilder.DefineMethod($"<g>{nameof(IConfigStore.WriteSyncObject)}", virtualPropertyMethodAttr, writeSyncObjProp.PropertyType, Type.EmptyTypes);
|
|
writeSyncObjProp.SetGetMethod(writeSyncObjPropGet);
|
|
typeBuilder.DefineMethodOverride(writeSyncObjPropGet, IConfigStore_GetWriteSyncObject);
|
|
|
|
{
|
|
var il = writeSyncObjPropGet.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Call, Impl.FindImplMethod);
|
|
il.Emit(OpCodes.Tailcall);
|
|
il.Emit(OpCodes.Call, Impl.WriteSyncObjectGetMethod);
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#region IConfigStore.WriteTo
|
|
var writeTo = typeBuilder.DefineMethod($"<>{nameof(IConfigStore.WriteTo)}", virtualMemberMethod, null, new[] { typeof(IConfigProvider) });
|
|
typeBuilder.DefineMethodOverride(writeTo, IConfigStore_WriteTo);
|
|
|
|
{
|
|
var il = writeTo.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Call, Impl.FindImplMethod);
|
|
il.Emit(OpCodes.Ldarg_1);
|
|
il.Emit(OpCodes.Tailcall);
|
|
il.Emit(OpCodes.Call, Impl.WriteToMethod);
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#region IConfigStore.ReadFrom
|
|
var readFrom = typeBuilder.DefineMethod($"<>{nameof(IConfigStore.ReadFrom)}", virtualMemberMethod, null, new[] { typeof(IConfigProvider) });
|
|
typeBuilder.DefineMethodOverride(readFrom, IConfigStore_ReadFrom);
|
|
|
|
{
|
|
var il = writeTo.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Call, Impl.FindImplMethod);
|
|
il.Emit(OpCodes.Ldarg_1);
|
|
il.Emit(OpCodes.Tailcall);
|
|
il.Emit(OpCodes.Call, Impl.ReadFromMethod);
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
#endregion
|
|
#endregion
|
|
|
|
#region Changed
|
|
var coreChanged = typeBuilder.DefineMethod(
|
|
"<>Changed",
|
|
MethodAttributes.Public | MethodAttributes.HideBySig,
|
|
null, Type.EmptyTypes);
|
|
|
|
{
|
|
var il = coreChanged.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Call, Impl.ImplSignalChangedMethod);
|
|
il.Emit(OpCodes.Ret); // simply call our impl's SignalChanged method and return
|
|
}
|
|
|
|
if (baseChanged != null) {
|
|
var changedMethod = typeBuilder.DefineMethod( // copy to override baseChanged
|
|
baseChanged.Name,
|
|
MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.Final | MethodAttributes.HideBySig,
|
|
null, Type.EmptyTypes);
|
|
typeBuilder.DefineMethodOverride(changedMethod, baseChanged);
|
|
|
|
{
|
|
var il = changedMethod.GetILGenerator();
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Call, baseChanged); // call base
|
|
|
|
il.Emit(OpCodes.Ldarg_0);
|
|
il.Emit(OpCodes.Tailcall);
|
|
il.Emit(OpCodes.Call, coreChanged); // call back to the core change method
|
|
|
|
il.Emit(OpCodes.Ret);
|
|
}
|
|
|
|
coreChanged = changedMethod; // switch to calling this version instead of just the default
|
|
}
|
|
#endregion
|
|
|
|
// TODO: generate overrides for all the virtual properties
|
|
|
|
var genType = typeBuilder.CreateType();
|
|
|
|
{ // register a member map
|
|
var dict = new Dictionary<string, Type>();
|
|
foreach (var kvp in structure)
|
|
dict.Add(kvp.Key, kvp.Value.Type);
|
|
memberMaps.Add(type, dict);
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
// expects the this param to be on the stack
|
|
private static void EmitMemberFix(ILGenerator il, SerializedMemberInfo member)
|
|
{
|
|
|
|
}
|
|
|
|
}
|
|
}
|