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.
307 lines
14 KiB
307 lines
14 KiB
#nullable enable
|
|
using IPA.Config.Data;
|
|
using IPA.Logging;
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.Reflection.Emit;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using Boolean = IPA.Config.Data.Boolean;
|
|
#if NET3
|
|
using Net3_Proxy;
|
|
using Array = Net3_Proxy.Array;
|
|
#endif
|
|
|
|
namespace IPA.Config.Stores
|
|
{
|
|
internal static partial class GeneratedStoreImpl
|
|
{
|
|
private static void EmitDeserializeGeneratedValue(ILGenerator il, SerializedMemberInfo member, Type srcType, LocalAllocator GetLocal,
|
|
Action<ILGenerator> thisarg, Action<ILGenerator> parentobj)
|
|
{
|
|
var IGeneratedStore_Deserialize = typeof(IGeneratedStore).GetMethod(nameof(IGeneratedStore.Deserialize));
|
|
|
|
using var valuel = GetLocal.Allocate(srcType);
|
|
var noCreate = il.DefineLabel();
|
|
|
|
il.Emit(OpCodes.Stloc, valuel);
|
|
EmitLoad(il, member, thisarg);
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Isinst, typeof(IGeneratedStore));
|
|
il.Emit(OpCodes.Brtrue_S, noCreate);
|
|
il.Emit(OpCodes.Pop);
|
|
EmitCreateChildGenerated(il, member.Type, parentobj);
|
|
il.MarkLabel(noCreate);
|
|
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Ldloc, valuel);
|
|
il.Emit(OpCodes.Callvirt, IGeneratedStore_Deserialize);
|
|
}
|
|
|
|
private static void EmitDeserializeNullable(ILGenerator il, SerializedMemberInfo member, Type expected, LocalAllocator GetLocal,
|
|
Action<ILGenerator> thisarg, Action<ILGenerator> parentobj)
|
|
{
|
|
if (!member.IsNullable) throw new InvalidOperationException("EmitDeserializeNullable called for non-nullable!");
|
|
thisarg ??= il => il.Emit(OpCodes.Ldarg_0);
|
|
parentobj ??= thisarg;
|
|
EmitDeserializeValue(il, member, member.NullableWrappedType, expected, GetLocal, thisarg, parentobj);
|
|
il.Emit(OpCodes.Newobj, member.Nullable_Construct);
|
|
}
|
|
|
|
// top of stack is the Value to deserialize; the type will be as returned from GetExpectedValueTypeForType
|
|
// after, top of stack will be thing to write to field
|
|
private static void EmitDeserializeValue(ILGenerator il, SerializedMemberInfo member, Type targetType, Type expected, LocalAllocator GetLocal,
|
|
Action<ILGenerator> thisarg, Action<ILGenerator> parentobj)
|
|
{
|
|
if (typeof(Value).IsAssignableFrom(targetType)) return; // do nothing
|
|
|
|
if (expected == typeof(Text))
|
|
{
|
|
var getter = expected.GetProperty(nameof(Text.Value)).GetGetMethod();
|
|
il.Emit(OpCodes.Call, getter);
|
|
if (targetType == typeof(char))
|
|
{
|
|
var strIndex = typeof(string).GetProperty("Chars").GetGetMethod(); // string's indexer is specially named Chars
|
|
il.Emit(OpCodes.Ldc_I4_0);
|
|
il.Emit(OpCodes.Call, strIndex);
|
|
}
|
|
}
|
|
else if (expected == typeof(Boolean))
|
|
{
|
|
var getter = expected.GetProperty(nameof(Boolean.Value)).GetGetMethod();
|
|
il.Emit(OpCodes.Call, getter);
|
|
}
|
|
else if (expected == typeof(Integer))
|
|
{
|
|
var getter = expected.GetProperty(nameof(Integer.Value)).GetGetMethod();
|
|
il.Emit(OpCodes.Call, getter);
|
|
EmitNumberConvertTo(il, targetType, getter.ReturnType);
|
|
}
|
|
else if (expected == typeof(FloatingPoint))
|
|
{
|
|
var getter = expected.GetProperty(nameof(FloatingPoint.Value)).GetGetMethod();
|
|
il.Emit(OpCodes.Call, getter);
|
|
EmitNumberConvertTo(il, targetType, getter.ReturnType);
|
|
} // TODO: implement stuff for lists and maps of various types (probably call out somewhere else to figure out what to do)
|
|
else if (expected == typeof(Map))
|
|
{
|
|
if (!targetType.IsValueType)
|
|
{
|
|
EmitDeserializeGeneratedValue(il, member, expected, GetLocal, thisarg, parentobj);
|
|
}
|
|
else
|
|
{
|
|
|
|
using var mapLocal = GetLocal.Allocate(typeof(Map));
|
|
using var resultLocal = GetLocal.Allocate(targetType);
|
|
using var valueLocal = GetLocal.Allocate(typeof(Value));
|
|
|
|
var structure = ReadObjectMembers(targetType);
|
|
if (!structure.Any())
|
|
{
|
|
Logger.config.Warn($"Custom value type {targetType.FullName} (when compiling serialization of" +
|
|
$" {member.Name} on {member.Member.DeclaringType.FullName}) has no accessible members");
|
|
il.Emit(OpCodes.Pop);
|
|
il.Emit(OpCodes.Ldloca, resultLocal);
|
|
il.Emit(OpCodes.Initobj, targetType);
|
|
}
|
|
else
|
|
{
|
|
il.Emit(OpCodes.Stloc, mapLocal);
|
|
|
|
EmitLoad(il, member, thisarg);
|
|
il.Emit(OpCodes.Stloc, resultLocal);
|
|
|
|
EmitDeserializeStructure(il, structure, mapLocal, valueLocal, GetLocal, il => il.Emit(OpCodes.Ldloca, resultLocal), parentobj);
|
|
}
|
|
|
|
il.Emit(OpCodes.Ldloc, resultLocal);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Logger.config.Warn($"Implicit conversions to {expected} are not currently implemented");
|
|
il.Emit(OpCodes.Pop);
|
|
il.Emit(OpCodes.Ldnull);
|
|
}
|
|
}
|
|
|
|
private static void EmitDeserializeStructure(ILGenerator il, IEnumerable<SerializedMemberInfo> structure,
|
|
LocalBuilder mapLocal, LocalBuilder valueLocal,
|
|
LocalAllocator GetLocal, Action<ILGenerator> thisobj, Action<ILGenerator> parentobj)
|
|
{
|
|
var Map_TryGetValue = typeof(Map).GetMethod(nameof(Map.TryGetValue));
|
|
|
|
// head of stack is Map instance
|
|
foreach (var mem in structure)
|
|
{
|
|
var nextLabel = il.DefineLabel();
|
|
|
|
var endErrorLabel = il.DefineLabel();
|
|
|
|
il.Emit(OpCodes.Ldloc, mapLocal);
|
|
il.Emit(OpCodes.Ldstr, mem.Name);
|
|
il.Emit(OpCodes.Ldloca_S, valueLocal);
|
|
il.Emit(OpCodes.Call, Map_TryGetValue);
|
|
il.Emit(OpCodes.Brtrue_S, endErrorLabel);
|
|
|
|
EmitLogError(il, $"Missing key {mem.Name}", tailcall: false);
|
|
il.Emit(OpCodes.Br, nextLabel);
|
|
|
|
il.MarkLabel(endErrorLabel);
|
|
|
|
il.Emit(OpCodes.Ldloc_S, valueLocal);
|
|
EmitDeserializeMember(il, mem, nextLabel, il => il.Emit(OpCodes.Ldloc_S, valueLocal), GetLocal, thisobj, parentobj);
|
|
|
|
il.MarkLabel(nextLabel);
|
|
}
|
|
}
|
|
|
|
private static void EmitDeserializeConverter(ILGenerator il, SerializedMemberInfo member, Label nextLabel, LocalAllocator GetLocal,
|
|
Action<ILGenerator> thisobj, Action<ILGenerator> parentobj)
|
|
{
|
|
if (!member.HasConverter)
|
|
throw new InvalidOperationException("EmitDeserializeConverter called for member without converter");
|
|
|
|
using var stlocal = GetLocal.Allocate(typeof(Value));
|
|
using var valLocal = GetLocal.Allocate(member.Type);
|
|
|
|
il.Emit(OpCodes.Stloc, stlocal);
|
|
il.BeginExceptionBlock();
|
|
il.Emit(OpCodes.Ldsfld, member.ConverterField);
|
|
il.Emit(OpCodes.Ldloc, stlocal);
|
|
parentobj(il);
|
|
|
|
if (member.IsGenericConverter)
|
|
{
|
|
var fromValueBase = member.ConverterBase.GetMethod(nameof(ValueConverter<int>.FromValue),
|
|
new[] { typeof(Value), typeof(object) });
|
|
var fromValue = member.Converter.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
|
|
.FirstOrDefault(m => m.GetBaseDefinition() == fromValueBase) ?? fromValueBase;
|
|
il.Emit(OpCodes.Call, fromValue);
|
|
}
|
|
else
|
|
{
|
|
var fromValueBase = typeof(IValueConverter).GetMethod(nameof(IValueConverter.FromValue),
|
|
new[] { typeof(Value), typeof(object) });
|
|
var fromValue = member.Converter.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance)
|
|
.FirstOrDefault(m => m.GetBaseDefinition() == fromValueBase) ?? fromValueBase;
|
|
il.Emit(OpCodes.Call, fromValue);
|
|
if (member.Type.IsValueType)
|
|
il.Emit(OpCodes.Unbox);
|
|
}
|
|
|
|
il.Emit(OpCodes.Stloc, valLocal);
|
|
il.BeginCatchBlock(typeof(Exception));
|
|
EmitWarnException(il, "Error occurred while deserializing");
|
|
il.Emit(OpCodes.Leave, nextLabel);
|
|
il.EndExceptionBlock();
|
|
il.Emit(OpCodes.Ldloc, valLocal);
|
|
}
|
|
|
|
// emit takes the value being deserialized, logs on error, leaves nothing on stack
|
|
private static void EmitDeserializeMember(ILGenerator il, SerializedMemberInfo member, Label nextLabel, Action<ILGenerator> getValue, LocalAllocator GetLocal,
|
|
Action<ILGenerator> thisobj, Action<ILGenerator> parentobj)
|
|
{
|
|
var Object_GetType = typeof(object).GetMethod(nameof(Object.GetType));
|
|
|
|
var implLabel = il.DefineLabel();
|
|
var passedTypeCheck = il.DefineLabel();
|
|
var expectType = GetExpectedValueTypeForType(member.ConversionType);
|
|
|
|
il.Emit(OpCodes.Dup);
|
|
il.Emit(OpCodes.Brtrue_S, implLabel); // null check
|
|
|
|
if (!member.AllowNull)
|
|
{
|
|
il.Emit(OpCodes.Pop);
|
|
EmitLogError(il, $"Member {member.Name} ({member.Type}) not nullable", tailcall: false,
|
|
expected: il => EmitTypeof(il, expectType));
|
|
il.Emit(OpCodes.Br, nextLabel);
|
|
}
|
|
else if (member.IsNullable)
|
|
{
|
|
il.Emit(OpCodes.Pop);
|
|
using var valTLocal = GetLocal.Allocate(member.Type);
|
|
il.Emit(OpCodes.Ldloca, valTLocal);
|
|
il.Emit(OpCodes.Initobj, member.Type);
|
|
EmitStore(il, member, il => il.Emit(OpCodes.Ldloc, valTLocal), thisobj);
|
|
il.Emit(OpCodes.Br, nextLabel);
|
|
}
|
|
else
|
|
{
|
|
il.Emit(OpCodes.Pop);
|
|
EmitStore(il, member, il => il.Emit(OpCodes.Ldnull), thisobj);
|
|
il.Emit(OpCodes.Br, nextLabel);
|
|
}
|
|
|
|
|
|
if (!member.HasConverter)
|
|
{
|
|
il.MarkLabel(implLabel);
|
|
il.Emit(OpCodes.Isinst, expectType); //replaces on stack
|
|
il.Emit(OpCodes.Dup); // duplicate cloned value
|
|
il.Emit(OpCodes.Brtrue, passedTypeCheck); // null check
|
|
}
|
|
|
|
var errorHandle = il.DefineLabel();
|
|
|
|
// special cases to handle coersion between Float and Int
|
|
if (member.HasConverter)
|
|
il.MarkLabel(implLabel);
|
|
else if (expectType == typeof(FloatingPoint))
|
|
{
|
|
var specialTypeCheck = il.DefineLabel();
|
|
il.Emit(OpCodes.Pop);
|
|
getValue(il);
|
|
il.Emit(OpCodes.Isinst, typeof(Integer)); //replaces on stack
|
|
il.Emit(OpCodes.Dup); // duplicate cloned value
|
|
il.Emit(OpCodes.Brfalse, errorHandle); // null check
|
|
|
|
var Integer_CoerceToFloat = typeof(Integer).GetMethod(nameof(Integer.AsFloat));
|
|
il.Emit(OpCodes.Call, Integer_CoerceToFloat);
|
|
|
|
il.Emit(OpCodes.Br, passedTypeCheck);
|
|
}
|
|
else if (expectType == typeof(Integer))
|
|
{
|
|
var specialTypeCheck = il.DefineLabel();
|
|
il.Emit(OpCodes.Pop);
|
|
getValue(il);
|
|
il.Emit(OpCodes.Isinst, typeof(FloatingPoint)); //replaces on stack
|
|
il.Emit(OpCodes.Dup); // duplicate cloned value
|
|
il.Emit(OpCodes.Brfalse, errorHandle); // null check
|
|
|
|
var Float_CoerceToInt = typeof(FloatingPoint).GetMethod(nameof(FloatingPoint.AsInteger));
|
|
il.Emit(OpCodes.Call, Float_CoerceToInt);
|
|
|
|
il.Emit(OpCodes.Br, passedTypeCheck);
|
|
}
|
|
|
|
if (!member.HasConverter)
|
|
{
|
|
il.MarkLabel(errorHandle);
|
|
il.Emit(OpCodes.Pop);
|
|
EmitLogError(il, $"Unexpected type deserializing {member.Name}", tailcall: false,
|
|
expected: il => EmitTypeof(il, expectType), found: il =>
|
|
{
|
|
getValue(il);
|
|
il.Emit(OpCodes.Callvirt, Object_GetType);
|
|
});
|
|
il.Emit(OpCodes.Br, nextLabel);
|
|
}
|
|
|
|
il.MarkLabel(passedTypeCheck);
|
|
|
|
using var local = GetLocal.Allocate(member.Type);
|
|
if (member.HasConverter) EmitDeserializeConverter(il, member, nextLabel, GetLocal, thisobj, parentobj);
|
|
else if (member.IsNullable) EmitDeserializeNullable(il, member, expectType, GetLocal, thisobj, parentobj);
|
|
else EmitDeserializeValue(il, member, member.Type, expectType, GetLocal, thisobj, parentobj);
|
|
il.Emit(OpCodes.Stloc, local);
|
|
EmitStore(il, member, il => il.Emit(OpCodes.Ldloc, local), thisobj);
|
|
}
|
|
}
|
|
}
|