Prevent field getter/setter delegates from being garbage collected
This commit is contained in:
parent
ef2a514e54
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29b2df793d
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@ -0,0 +1,15 @@
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using System.Collections.Generic;
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namespace PorygonSharp.UserData
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{
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internal class UserData
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{
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public readonly Dictionary<uint, UserDataField> Fields = new Dictionary<uint, UserDataField>();
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public uint Id { get; }
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public UserData(uint id)
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{
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Id = id;
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}
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}
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}
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@ -0,0 +1,103 @@
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using System;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using PorygonSharp.EvalValues;
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namespace PorygonSharp.UserData
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{
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internal class UserDataField
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{
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internal delegate IntPtr GetterDelegate(IntPtr ptr);
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internal delegate void SetterDelegate(IntPtr ptr, IntPtr val);
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private delegate IntPtr CallerDelegate(IntPtr parent, IntPtr scriptOption,
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[MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)]IntPtr[] parameters, int size);
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private readonly GetterDelegate _getter;
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private readonly SetterDelegate _setter;
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public UserDataField(FieldInfo field)
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{
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_getter = ptr =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var value = field.GetValue(obj);
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return EvalValueCreator.CreateValue(value).GetPointer();
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};
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if (!field.IsInitOnly)
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{
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_setter = (ptr, val) =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var evalValue = Convert.ChangeType(new EvalValue(val).GetObjectValue(), field.FieldType);
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field.SetValue(obj, evalValue);
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};
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}
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}
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public UserDataField(PropertyInfo property)
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{
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if (property.GetGetMethod(false) != null)
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{
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_getter = ptr =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var value = property.GetValue(obj);
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return EvalValueCreator.CreateValue(value).GetPointer();
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};
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}
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if (property.GetSetMethod(false) != null)
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{
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_setter = (ptr, val) =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var evalValue = Convert.ChangeType(new EvalValue(val).GetObjectValue(), property.PropertyType);
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property.SetValue(obj, evalValue);
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};
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}
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}
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public UserDataField(MethodInfo method)
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{
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var parameterTypes = method.GetParameters().Select(x => x.ParameterType).ToArray();
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_getter = ptr =>
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{
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var func = new CallerDelegate((parent, scriptOptions, parameters, size) =>
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{
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var evaluatedParameters = new object[size];
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for (var i = 0; i < size; i++)
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{
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var eval = new EvalValue(parameters[i]);
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var val = eval.GetObjectValue();
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var convertedType = Convert.ChangeType(val, parameterTypes[i]);
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evaluatedParameters[i] = convertedType;
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}
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var parentObj = GCHandle.FromIntPtr(parent).Target;
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var result = method.Invoke(parentObj, evaluatedParameters);
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return EvalValueCreator.CreateValue(result).GetPointer();
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});
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var funcPtr = Marshal.GetFunctionPointerForDelegate(func);
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return EvalValueCreator.FunctionEvalValue(funcPtr, ptr).GetPointer();
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};
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}
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public UserDataField(GetterDelegate getter, SetterDelegate setter)
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{
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_getter = getter;
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_setter = setter;
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}
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internal IntPtr GetGetterPointer()
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{
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return _getter == null ? IntPtr.Zero : Marshal.GetFunctionPointerForDelegate(_getter);
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}
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internal IntPtr GetSetterPointer()
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{
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return _setter == null ? IntPtr.Zero : Marshal.GetFunctionPointerForDelegate(_setter);
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}
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}
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}
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@ -1,4 +1,5 @@
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using System;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq;
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using System.Reflection;
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using System.Reflection;
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@ -11,12 +12,9 @@ namespace PorygonSharp.UserData
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{
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{
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public static class UserDataHandler
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public static class UserDataHandler
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{
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{
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private static readonly Dictionary<Type, uint> UserDataLookup = new Dictionary<Type, uint>();
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private static readonly ConcurrentDictionary<Type, UserData> UserDataLookup = new ConcurrentDictionary<Type, UserData>();
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private static readonly ConcurrentDictionary<uint, UserData> ReverseLookup = new ConcurrentDictionary<uint, UserData>();
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private delegate IntPtr GetterDelegate(IntPtr ptr);
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private delegate void SetterDelegate(IntPtr ptr, IntPtr val);
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private delegate IntPtr CallerDelegate(IntPtr parent, IntPtr scriptOption,
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[MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 3)]IntPtr[] parameters, int size);
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public static void RegisterAssembly(Assembly assembly)
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public static void RegisterAssembly(Assembly assembly)
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{
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{
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@ -45,7 +43,9 @@ namespace PorygonSharp.UserData
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if (UserDataLookup.ContainsKey(type))
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if (UserDataLookup.ContainsKey(type))
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return;
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return;
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RegisterUserDataType(hash);
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RegisterUserDataType(hash);
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UserDataLookup.Add(type, hash);
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var ud = new UserData(hash);
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UserDataLookup.TryAdd(type, ud);
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ReverseLookup.TryAdd(hash, ud);
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}
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}
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const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance |
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const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance |
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@ -72,129 +72,93 @@ namespace PorygonSharp.UserData
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public static void RegisterEnumType(string name, Type type)
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public static void RegisterEnumType(string name, Type type)
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{
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{
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var hash = name.ScriptHash();
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var hash = name.ScriptHash();
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if (UserDataLookup.ContainsKey(type))
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lock (UserDataLookup)
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return;
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{
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RegisterUserDataType(hash);
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if (UserDataLookup.ContainsKey(type))
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UserDataLookup.Add(type, hash);
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return;
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RegisterUserDataType(hash);
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var ud = new UserData(hash);
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UserDataLookup.TryAdd(type, ud);
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ReverseLookup.TryAdd(hash, ud);
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}
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var values = Enum.GetValues(type);
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var values = Enum.GetValues(type);
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foreach (var value in values)
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foreach (var value in values)
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{
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{
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var getter = new GetterDelegate(ptr => EvalValueCreator.CreateIntegerEvalValue(Convert.ToInt64(value)));
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var getter = new UserDataField.GetterDelegate(ptr => EvalValueCreator.CreateIntegerEvalValue(Convert.ToInt64(value)));
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var fieldData = new UserDataField(getter, null);
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var valueName = Enum.GetName(type, value);
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var valueName = Enum.GetName(type, value);
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var fieldName = valueName.ScriptHash();
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var fieldName = valueName.ScriptHash();
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var t = ScriptType.ScriptType.CreateNumericScriptType(true, false);
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var t = ScriptType.ScriptType.CreateNumericScriptType(true, false);
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RegisterUserDataField(hash, fieldName,
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RegisterUserDataField(hash, fieldName,
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CreateUserDataField(t, Marshal.GetFunctionPointerForDelegate(getter), IntPtr.Zero));
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CreateUserDataField(t, Marshal.GetFunctionPointerForDelegate(getter), IntPtr.Zero));
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ReverseLookup[hash].Fields[fieldName] = fieldData;
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}
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}
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}
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}
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private static void RegisterField(FieldInfo field, uint typeHash)
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private static void RegisterField(FieldInfo field, uint typeHash)
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{
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{
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var getter = new GetterDelegate(ptr =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var value = field.GetValue(obj);
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return EvalValueCreator.CreateValue(value).GetPointer();
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});
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var setterPtr = IntPtr.Zero;
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if (!field.IsInitOnly)
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{
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var setter = new SetterDelegate((ptr, val) =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var evalValue = Convert.ChangeType(new EvalValue(val).GetObjectValue(), field.FieldType);
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field.SetValue(obj, evalValue);
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});
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setterPtr = Marshal.GetFunctionPointerForDelegate(setter);
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}
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var scriptType = ScriptType.ScriptType.GetScriptType(field.FieldType);
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var scriptType = ScriptType.ScriptType.GetScriptType(field.FieldType);
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if (!scriptType.HasValue)
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if (!scriptType.HasValue)
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return;
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return;
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var userDataField = CreateUserDataField(scriptType.Value, Marshal.GetFunctionPointerForDelegate(getter),
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var fieldData = new UserDataField(field);
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setterPtr);
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var userDataField = CreateUserDataField(scriptType.Value, fieldData.GetGetterPointer(),
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fieldData.GetSetterPointer());
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var fieldName = field.Name.ScriptHash();
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var fieldName = field.Name.ScriptHash();
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RegisterUserDataField(typeHash, fieldName, userDataField);
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RegisterUserDataField(typeHash, fieldName, userDataField);
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ReverseLookup[typeHash].Fields[fieldName] = fieldData;
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}
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}
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private static void RegisterProperty(PropertyInfo property, uint typeHash)
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private static void RegisterProperty(PropertyInfo property, uint typeHash)
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{
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{
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var getterPtr = IntPtr.Zero;
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if (property.GetGetMethod(false) != null)
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{
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var getter = new GetterDelegate(ptr =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var value = property.GetValue(obj);
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return EvalValueCreator.CreateValue(value).GetPointer();
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});
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getterPtr = Marshal.GetFunctionPointerForDelegate(getter);
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}
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var setterPtr = IntPtr.Zero;
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if (property.GetSetMethod(false) != null)
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{
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var setter = new SetterDelegate((ptr, val) =>
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{
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var obj = GCHandle.FromIntPtr(ptr).Target;
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var evalValue = Convert.ChangeType(new EvalValue(val).GetObjectValue(), property.PropertyType);
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property.SetValue(obj, evalValue);
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});
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setterPtr = Marshal.GetFunctionPointerForDelegate(setter);
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}
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var scriptType = ScriptType.ScriptType.GetScriptType(property.PropertyType);
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var scriptType = ScriptType.ScriptType.GetScriptType(property.PropertyType);
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if (!scriptType.HasValue)
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if (!scriptType.HasValue)
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return;
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return;
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var userDataField = CreateUserDataField(scriptType.Value, getterPtr, setterPtr);
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var fieldData = new UserDataField(property);
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var userDataField = CreateUserDataField(scriptType.Value, fieldData.GetGetterPointer(),
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fieldData.GetSetterPointer());
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var fieldName = property.Name.ScriptHash();
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var fieldName = property.Name.ScriptHash();
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RegisterUserDataField(typeHash, fieldName, userDataField);
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RegisterUserDataField(typeHash, fieldName, userDataField);
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ReverseLookup[typeHash].Fields[fieldName] = fieldData;
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}
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}
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private static void RegisterFunction(MethodInfo method, uint typeHash)
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private static void RegisterFunction(MethodInfo method, uint typeHash)
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{
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{
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var parameterTypes = method.GetParameters().Select(x => x.ParameterType).ToArray();
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var getter = new GetterDelegate(ptr =>
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{
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var func = new CallerDelegate((parent, scriptOptions, parameters, size) =>
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{
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var evaluatedParameters = new object[size];
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for (var i = 0; i < size; i++)
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{
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var eval = new EvalValue(parameters[i]);
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var val = eval.GetObjectValue();
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var convertedType = Convert.ChangeType(val, parameterTypes[i]);
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evaluatedParameters[i] = convertedType;
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}
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var parentObj = GCHandle.FromIntPtr(parent).Target;
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var result = method.Invoke(parentObj, evaluatedParameters);
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return EvalValueCreator.CreateValue(result).GetPointer();
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});
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var funcPtr = Marshal.GetFunctionPointerForDelegate(func);
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return EvalValueCreator.FunctionEvalValue(funcPtr, ptr).GetPointer();
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});
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var getterPtr = Marshal.GetFunctionPointerForDelegate(getter);
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var type = ScriptType.ScriptType.GetFunctionScriptType(method);
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var type = ScriptType.ScriptType.GetFunctionScriptType(method);
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if (type == IntPtr.Zero || !type.HasValue)
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if (type == IntPtr.Zero || !type.HasValue)
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return;
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return;
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var userDataField = CreateUserDataField(type.Value, getterPtr, IntPtr.Zero);
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var fieldData = new UserDataField(method);
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var userDataField = CreateUserDataField(type.Value, fieldData.GetGetterPointer(), IntPtr.Zero);
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var fieldName = method.Name.ScriptHash();
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var fieldName = method.Name.ScriptHash();
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RegisterUserDataField(typeHash, fieldName, userDataField);
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RegisterUserDataField(typeHash, fieldName, userDataField);
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ReverseLookup[typeHash].Fields[fieldName] = fieldData;
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}
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}
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public static uint GetTypeId(Type t)
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public static uint GetTypeId(Type t)
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{
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{
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return UserDataLookup[t];
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if (UserDataLookup.TryGetValue(t, out var i))
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return i.Id;
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var attr = t.GetCustomAttribute<PorygonUserdataAttribute>();
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if (attr == null)
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return 0;
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var id = attr.Identifier.ScriptHash();
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if (ReverseLookup.ContainsKey(id))
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return id;
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return 0;
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}
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}
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public static bool IsTypeRegistered(Type t)
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public static bool IsTypeRegistered(Type t)
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{
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{
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return UserDataLookup.ContainsKey(t);
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if (UserDataLookup.ContainsKey(t)) return true;
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var attr = t.GetCustomAttribute<PorygonUserdataAttribute>();
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if (attr == null)
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return false;
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var id = attr.Identifier.ScriptHash();
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return ReverseLookup.ContainsKey(id);
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}
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}
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public static int GetUserDataFieldCount(Type t)
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public static int GetUserDataFieldCount(Type t)
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