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1550 lines
64 KiB
1550 lines
64 KiB
#if !UNITY_METRO |
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using System; |
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using System.Linq; |
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using MessagePack.Formatters; |
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using MessagePack.Internal; |
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using System.Reflection; |
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using System.Reflection.Emit; |
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using System.Collections.Generic; |
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using System.Text.RegularExpressions; |
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using System.Runtime.Serialization; |
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using System.Text; |
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|
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namespace MessagePack.Resolvers |
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{ |
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/// <summary> |
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/// ObjectResolver by dynamic code generation. |
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/// </summary> |
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public sealed class DynamicObjectResolver : IFormatterResolver |
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{ |
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public static readonly DynamicObjectResolver Instance = new DynamicObjectResolver(); |
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const string ModuleName = "MessagePack.Resolvers.DynamicObjectResolver"; |
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internal static readonly DynamicAssembly assembly; |
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DynamicObjectResolver() |
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{ |
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} |
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static DynamicObjectResolver() |
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{ |
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assembly = new DynamicAssembly(ModuleName); |
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} |
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#if NET_35 |
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public AssemblyBuilder Save() |
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{ |
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return assembly.Save(); |
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} |
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#endif |
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public IMessagePackFormatter<T> GetFormatter<T>() |
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{ |
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return FormatterCache<T>.formatter; |
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} |
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static class FormatterCache<T> |
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{ |
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public static readonly IMessagePackFormatter<T> formatter; |
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static FormatterCache() |
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{ |
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var ti = typeof(T).GetTypeInfo(); |
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if (ti.IsInterface) |
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{ |
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return; |
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} |
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if (ti.IsNullable()) |
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{ |
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ti = ti.GenericTypeArguments[0].GetTypeInfo(); |
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var innerFormatter = DynamicObjectResolver.Instance.GetFormatterDynamic(ti.AsType()); |
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if (innerFormatter == null) |
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{ |
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return; |
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} |
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formatter = (IMessagePackFormatter<T>)Activator.CreateInstance(typeof(StaticNullableFormatter<>).MakeGenericType(ti.AsType()), new object[] { innerFormatter }); |
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return; |
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} |
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if (ti.IsAnonymous()) |
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{ |
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formatter = (IMessagePackFormatter<T>)DynamicPrivateFormatterBuilder.BuildFormatter(typeof(T)); |
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return; |
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} |
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var formatterTypeInfo = DynamicObjectTypeBuilder.BuildType(assembly, typeof(T), false, false); |
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if (formatterTypeInfo == null) return; |
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formatter = (IMessagePackFormatter<T>)Activator.CreateInstance(formatterTypeInfo.AsType()); |
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} |
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} |
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} |
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/// <summary> |
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/// ObjectResolver by dynamic code generation, no needs MessagePackObject attribute and serialized key as string. |
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/// </summary> |
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public sealed class DynamicContractlessObjectResolver : IFormatterResolver |
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{ |
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public static readonly DynamicContractlessObjectResolver Instance = new DynamicContractlessObjectResolver(); |
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const string ModuleName = "MessagePack.Resolvers.DynamicContractlessObjectResolver"; |
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static readonly DynamicAssembly assembly; |
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DynamicContractlessObjectResolver() |
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{ |
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} |
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static DynamicContractlessObjectResolver() |
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{ |
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assembly = new DynamicAssembly(ModuleName); |
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} |
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#if NET_35 |
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public AssemblyBuilder Save() |
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{ |
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return assembly.Save(); |
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} |
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#endif |
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public IMessagePackFormatter<T> GetFormatter<T>() |
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{ |
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return FormatterCache<T>.formatter; |
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} |
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static class FormatterCache<T> |
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{ |
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public static readonly IMessagePackFormatter<T> formatter; |
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static FormatterCache() |
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{ |
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if (typeof(T) == typeof(object)) |
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{ |
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return; |
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} |
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var ti = typeof(T).GetTypeInfo(); |
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if (ti.IsInterface) |
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{ |
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return; |
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} |
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if (ti.IsNullable()) |
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{ |
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ti = ti.GenericTypeArguments[0].GetTypeInfo(); |
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var innerFormatter = DynamicObjectResolver.Instance.GetFormatterDynamic(ti.AsType()); |
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if (innerFormatter == null) |
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{ |
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return; |
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} |
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formatter = (IMessagePackFormatter<T>)Activator.CreateInstance(typeof(StaticNullableFormatter<>).MakeGenericType(ti.AsType()), new object[] { innerFormatter }); |
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return; |
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} |
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if (!typeof(T).GetTypeInfo().IsPublic() && !typeof(T).GetTypeInfo().IsNestedPublic && ti.IsClass) |
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{ |
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formatter = (IMessagePackFormatter<T>)DynamicPrivateFormatterBuilder.BuildFormatter(typeof(T)); |
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return; |
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} |
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var formatterTypeInfo = DynamicObjectTypeBuilder.BuildType(assembly, typeof(T), true, true); |
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if (formatterTypeInfo == null) return; |
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formatter = (IMessagePackFormatter<T>)Activator.CreateInstance(formatterTypeInfo.AsType()); |
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} |
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} |
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} |
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} |
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namespace MessagePack.Internal |
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{ |
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internal static class DynamicObjectTypeBuilder |
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{ |
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#if NETSTANDARD1_4 |
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static readonly Regex SubtractFullNameRegex = new Regex(@", Version=\d+.\d+.\d+.\d+, Culture=\w+, PublicKeyToken=\w+", RegexOptions.Compiled); |
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#else |
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static readonly Regex SubtractFullNameRegex = new Regex(@", Version=\d+.\d+.\d+.\d+, Culture=\w+, PublicKeyToken=\w+"); |
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#endif |
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static HashSet<Type> ignoreTypes = new HashSet<Type> |
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{ |
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{typeof(object)}, |
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{typeof(short)}, |
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{typeof(int)}, |
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{typeof(long)}, |
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{typeof(ushort)}, |
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{typeof(uint)}, |
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{typeof(ulong)}, |
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{typeof(float)}, |
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{typeof(double)}, |
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{typeof(bool)}, |
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{typeof(byte)}, |
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{typeof(sbyte)}, |
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{typeof(decimal)}, |
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{typeof(char)}, |
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{typeof(string)}, |
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{typeof(System.Guid)}, |
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{typeof(System.TimeSpan)}, |
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{typeof(System.DateTime)}, |
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{typeof(System.DateTimeOffset)}, |
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{typeof(MessagePack.Nil)}, |
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}; |
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public static TypeInfo BuildType(DynamicAssembly assembly, Type type, bool forceStringKey, bool contractless) |
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{ |
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if (ignoreTypes.Contains(type)) return null; |
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var serializationInfo = MessagePack.Internal.ObjectSerializationInfo.CreateOrNull(type, forceStringKey, contractless); |
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if (serializationInfo == null) return null; |
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var formatterType = typeof(IMessagePackFormatter<>).MakeGenericType(type); |
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var typeBuilder = assembly.ModuleBuilder.DefineType("MessagePack.Formatters." + SubtractFullNameRegex.Replace(type.FullName, "").Replace(".", "_") + "Formatter", TypeAttributes.Public | TypeAttributes.Sealed, null, new[] { formatterType }); |
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FieldBuilder stringByteKeysField = null; |
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// string key needs string->int mapper for deserialize switch statement |
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if (serializationInfo.IsStringKey) |
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{ |
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var method = typeBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard, Type.EmptyTypes); |
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stringByteKeysField = typeBuilder.DefineField("stringByteKeys", typeof(byte[][]), FieldAttributes.Private | FieldAttributes.InitOnly); |
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var il = method.GetILGenerator(); |
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BuildConstructor(type, serializationInfo, method, stringByteKeysField, il); |
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} |
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{ |
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var method = typeBuilder.DefineMethod("Serialize", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual, |
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typeof(int), |
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new Type[] { typeof(byte[]).MakeByRefType(), typeof(int), type, typeof(IFormatterResolver) }); |
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var il = method.GetILGenerator(); |
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BuildSerialize(type, serializationInfo, method, stringByteKeysField, il); |
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} |
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{ |
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var method = typeBuilder.DefineMethod("Deserialize", MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual, |
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type, |
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new Type[] { typeof(byte[]), typeof(int), typeof(IFormatterResolver), typeof(int).MakeByRefType() }); |
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var il = method.GetILGenerator(); |
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BuildDeserialize(type, serializationInfo, method, il); |
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} |
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return typeBuilder.CreateTypeInfo(); |
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} |
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static void BuildConstructor(Type type, ObjectSerializationInfo info, ConstructorInfo method, FieldBuilder stringByteKeysField, ILGenerator il) |
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{ |
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il.EmitLdarg(0); |
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il.Emit(OpCodes.Call, objectCtor); |
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var writeCount = info.Members.Count(x => x.IsReadable); |
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il.EmitLdarg(0); |
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il.EmitLdc_I4(writeCount); |
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il.Emit(OpCodes.Newarr, typeof(byte[])); |
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var i = 0; |
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foreach (var item in info.Members.Where(x => x.IsReadable)) |
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{ |
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il.Emit(OpCodes.Dup); |
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il.EmitLdc_I4(i); |
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il.EmitCall(getutf8); |
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il.Emit(OpCodes.Ldstr, item.StringKey); |
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il.EmitCall(getbytes); |
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il.Emit(OpCodes.Stelem_Ref); |
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i++; |
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} |
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il.Emit(OpCodes.Stfld, stringByteKeysField); |
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il.Emit(OpCodes.Ret); |
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} |
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// int Serialize([arg:1]ref byte[] bytes, [arg:2]int offset, [arg:3]T value, [arg:4]IFormatterResolver formatterResolver); |
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static void BuildSerialize(Type type, ObjectSerializationInfo info, MethodInfo method, FieldBuilder stringByteKeysField, ILGenerator il) |
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{ |
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// if(value == null) return WriteNil |
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if (type.GetTypeInfo().IsClass) |
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{ |
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var elseBody = il.DefineLabel(); |
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il.EmitLdarg(3); |
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il.Emit(OpCodes.Brtrue_S, elseBody); |
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il.EmitLdarg(1); |
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il.EmitLdarg(2); |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteNil); |
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il.Emit(OpCodes.Ret); |
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il.MarkLabel(elseBody); |
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} |
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// IMessagePackSerializationCallbackReceiver.OnBeforeSerialize() |
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if (type.GetTypeInfo().ImplementedInterfaces.Any(x => x == typeof(IMessagePackSerializationCallbackReceiver))) |
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{ |
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// call directly |
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var runtimeMethods = type.GetRuntimeMethods().Where(x => x.Name == "OnBeforeSerialize").ToArray(); |
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if (runtimeMethods.Length == 1) |
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{ |
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if (info.IsStruct) |
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{ |
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il.EmitLdarga(3); |
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} |
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else |
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{ |
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il.EmitLdarg(3); |
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} |
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il.Emit(OpCodes.Call, runtimeMethods[0]); // don't use EmitCall helper(must use 'Call') |
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} |
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else |
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{ |
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il.EmitLdarg(3); |
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if (info.IsStruct) |
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{ |
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il.Emit(OpCodes.Box, type); |
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} |
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il.EmitCall(onBeforeSerialize); |
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} |
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} |
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// var startOffset = offset; |
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var startOffsetLocal = il.DeclareLocal(typeof(int)); // [loc:0] |
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il.EmitLdarg(2); |
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il.EmitStloc(startOffsetLocal); |
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|
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if (info.IsIntKey) |
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{ |
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// use Array |
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var maxKey = info.Members.Where(x => x.IsReadable).Select(x => x.IntKey).DefaultIfEmpty(-1).Max(); |
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var intKeyMap = info.Members.Where(x => x.IsReadable).ToDictionary(x => x.IntKey); |
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EmitOffsetPlusEqual(il, null, () => |
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{ |
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var len = maxKey + 1; |
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il.EmitLdc_I4(len); |
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if (len <= MessagePackRange.MaxFixArrayCount) |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteFixedArrayHeaderUnsafe); |
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} |
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else |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteArrayHeader); |
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} |
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}); |
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for (int i = 0; i <= maxKey; i++) |
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{ |
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ObjectSerializationInfo.EmittableMember member; |
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if (intKeyMap.TryGetValue(i, out member)) |
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{ |
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// offset += serialzie |
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EmitSerializeValue(il, type.GetTypeInfo(), member); |
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} |
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else |
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{ |
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// Write Nil as Blanc |
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EmitOffsetPlusEqual(il, null, () => |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteNil); |
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}); |
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} |
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} |
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} |
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else |
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{ |
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// use Map |
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var writeCount = info.Members.Count(x => x.IsReadable); |
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EmitOffsetPlusEqual(il, null, () => |
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{ |
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il.EmitLdc_I4(writeCount); |
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if (writeCount <= MessagePackRange.MaxFixMapCount) |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteFixedMapHeaderUnsafe); |
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} |
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else |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteMapHeader); |
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} |
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}); |
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var index = 0; |
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foreach (var item in info.Members.Where(x => x.IsReadable)) |
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{ |
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// offset += writekey |
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EmitOffsetPlusEqual(il, null, () => |
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{ |
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il.EmitLdarg(0); |
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il.EmitLdfld(stringByteKeysField); |
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il.EmitLdc_I4(index); |
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il.Emit(OpCodes.Ldelem_Ref); |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteStringBytes); |
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index++; |
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}); |
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|
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// offset += serialzie |
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EmitSerializeValue(il, type.GetTypeInfo(), item); |
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} |
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} |
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|
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// return startOffset- offset; |
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il.EmitLdarg(2); |
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il.EmitLdloc(startOffsetLocal); |
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il.Emit(OpCodes.Sub); |
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il.Emit(OpCodes.Ret); |
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} |
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|
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// offset += ***(ref bytes, offset.... |
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static void EmitOffsetPlusEqual(ILGenerator il, Action loadEmit, Action emit) |
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{ |
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il.EmitLdarg(2); |
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|
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if (loadEmit != null) loadEmit(); |
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il.EmitLdarg(1); |
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il.EmitLdarg(2); |
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emit(); |
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il.Emit(OpCodes.Add); |
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il.EmitStarg(2); |
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} |
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static void EmitSerializeValue(ILGenerator il, TypeInfo type, ObjectSerializationInfo.EmittableMember member) |
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{ |
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var t = member.Type; |
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if (IsOptimizeTargetType(t)) |
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{ |
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EmitOffsetPlusEqual(il, null, () => |
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{ |
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il.EmitLoadArg(type, 3); |
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member.EmitLoadValue(il); |
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if (t == typeof(byte[])) |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.WriteBytes); |
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} |
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else |
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{ |
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il.EmitCall(MessagePackBinaryTypeInfo.TypeInfo.GetDeclaredMethods("Write" + t.Name).OrderByDescending(x => x.GetParameters().Length).First()); |
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} |
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}); |
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} |
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else |
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{ |
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EmitOffsetPlusEqual(il, () => |
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{ |
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il.EmitLdarg(4); |
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il.Emit(OpCodes.Call, getFormatterWithVerify.MakeGenericMethod(t)); |
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}, () => |
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{ |
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il.EmitLoadArg(type, 3); |
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member.EmitLoadValue(il); |
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il.EmitLdarg(4); |
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il.EmitCall(getSerialize(t)); |
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}); |
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} |
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} |
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|
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// T Deserialize([arg:1]byte[] bytes, [arg:2]int offset, [arg:3]IFormatterResolver formatterResolver, [arg:4]out int readSize); |
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static void BuildDeserialize(Type type, ObjectSerializationInfo info, MethodBuilder method, ILGenerator il) |
|
{ |
|
// if(MessagePackBinary.IsNil) readSize = 1, return null; |
|
var falseLabel = il.DefineLabel(); |
|
il.EmitLdarg(1); |
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il.EmitLdarg(2); |
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il.EmitCall(MessagePackBinaryTypeInfo.IsNil); |
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il.Emit(OpCodes.Brfalse_S, falseLabel); |
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if (type.GetTypeInfo().IsClass) |
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{ |
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il.EmitLdarg(4); |
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il.EmitLdc_I4(1); |
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il.Emit(OpCodes.Stind_I4); |
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il.Emit(OpCodes.Ldnull); |
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il.Emit(OpCodes.Ret); |
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} |
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else |
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{ |
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il.Emit(OpCodes.Ldstr, "typecode is null, struct not supported"); |
|
il.Emit(OpCodes.Newobj, invalidOperationExceptionConstructor); |
|
il.Emit(OpCodes.Throw); |
|
} |
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|
|
// var startOffset = offset; |
|
il.MarkLabel(falseLabel); |
|
var startOffsetLocal = il.DeclareLocal(typeof(int)); // [loc:0] |
|
il.EmitLdarg(2); |
|
il.EmitStloc(startOffsetLocal); |
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|
|
// var length = ReadMapHeader |
|
var length = il.DeclareLocal(typeof(int)); // [loc:1] |
|
il.EmitLdarg(1); |
|
il.EmitLdarg(2); |
|
il.EmitLdarg(4); |
|
|
|
if (info.IsIntKey) |
|
{ |
|
il.EmitCall(MessagePackBinaryTypeInfo.ReadArrayHeader); |
|
} |
|
else |
|
{ |
|
il.EmitCall(MessagePackBinaryTypeInfo.ReadMapHeader); |
|
} |
|
il.EmitStloc(length); |
|
EmitOffsetPlusReadSize(il); |
|
|
|
// make local fields |
|
Label? gotoDefault = null; |
|
DeserializeInfo[] infoList; |
|
if (info.IsIntKey) |
|
{ |
|
var maxKey = info.Members.Select(x => x.IntKey).DefaultIfEmpty(-1).Max(); |
|
var len = maxKey + 1; |
|
var intKeyMap = info.Members.ToDictionary(x => x.IntKey); |
|
|
|
infoList = Enumerable.Range(0, len) |
|
.Select(x => |
|
{ |
|
ObjectSerializationInfo.EmittableMember member; |
|
if (intKeyMap.TryGetValue(x, out member)) |
|
{ |
|
return new DeserializeInfo |
|
{ |
|
MemberInfo = member, |
|
LocalField = il.DeclareLocal(member.Type), |
|
SwitchLabel = il.DefineLabel() |
|
}; |
|
} |
|
else |
|
{ |
|
// return null MemberInfo, should filter null |
|
if (gotoDefault == null) |
|
{ |
|
gotoDefault = il.DefineLabel(); |
|
} |
|
return new DeserializeInfo |
|
{ |
|
MemberInfo = null, |
|
LocalField = null, |
|
SwitchLabel = gotoDefault.Value, |
|
}; |
|
} |
|
}) |
|
.ToArray(); |
|
} |
|
else |
|
{ |
|
infoList = info.Members |
|
.Select(item => new DeserializeInfo |
|
{ |
|
MemberInfo = item, |
|
LocalField = il.DeclareLocal(item.Type), |
|
// SwitchLabel = il.DefineLabel() |
|
}) |
|
.ToArray(); |
|
} |
|
|
|
// Read Loop(for var i = 0; i< length; i++) |
|
if (info.IsStringKey) |
|
{ |
|
var automata = new AutomataDictionary(); |
|
for (int i = 0; i < info.Members.Length; i++) |
|
{ |
|
automata.Add(info.Members[i].StringKey, i); |
|
} |
|
|
|
var buffer = il.DeclareLocal(typeof(byte).MakeByRefType(), true); |
|
var keyArraySegment = il.DeclareLocal(typeof(ArraySegment<byte>)); |
|
var longKey = il.DeclareLocal(typeof(long)); |
|
var p = il.DeclareLocal(typeof(byte*)); |
|
var rest = il.DeclareLocal(typeof(int)); |
|
|
|
// fixed (byte* buffer = &bytes[0]) { |
|
il.EmitLdarg(1); |
|
il.EmitLdc_I4(0); |
|
il.Emit(OpCodes.Ldelema, typeof(byte)); |
|
il.EmitStloc(buffer); |
|
|
|
// for (int i = 0; i < len; i++) |
|
il.EmitIncrementFor(length, forILocal => |
|
{ |
|
var readNext = il.DefineLabel(); |
|
var loopEnd = il.DefineLabel(); |
|
|
|
il.EmitLdarg(1); |
|
il.EmitLdarg(2); |
|
il.EmitLdarg(4); |
|
il.EmitCall(MessagePackBinaryTypeInfo.ReadStringSegment); |
|
il.EmitStloc(keyArraySegment); |
|
EmitOffsetPlusReadSize(il); |
|
|
|
// p = buffer + arraySegment.Offset |
|
il.EmitLdloc(buffer); |
|
il.Emit(OpCodes.Conv_I); |
|
il.EmitLdloca(keyArraySegment); |
|
il.EmitCall(typeof(ArraySegment<byte>).GetRuntimeProperty("Offset").GetGetMethod()); |
|
il.Emit(OpCodes.Add); |
|
il.EmitStloc(p); |
|
|
|
// rest = arraySegment.Count |
|
il.EmitLdloca(keyArraySegment); |
|
il.EmitCall(typeof(ArraySegment<byte>).GetRuntimeProperty("Count").GetGetMethod()); |
|
il.EmitStloc(rest); |
|
|
|
// if(rest == 0) goto End |
|
il.EmitLdloc(rest); |
|
il.Emit(OpCodes.Brfalse, readNext); |
|
|
|
// gen automata name lookup |
|
automata.EmitMatch(il, p, rest, longKey, x => |
|
{ |
|
var i = x.Value; |
|
if (infoList[i].MemberInfo != null) |
|
{ |
|
EmitDeserializeValue(il, infoList[i]); |
|
il.Emit(OpCodes.Br, loopEnd); |
|
} |
|
else |
|
{ |
|
il.Emit(OpCodes.Br, readNext); |
|
} |
|
}, () => |
|
{ |
|
il.Emit(OpCodes.Br, readNext); |
|
}); |
|
|
|
il.MarkLabel(readNext); |
|
il.EmitLdarg(4); |
|
il.EmitLdarg(1); |
|
il.EmitLdarg(2); |
|
il.EmitCall(MessagePackBinaryTypeInfo.ReadNextBlock); |
|
il.Emit(OpCodes.Stind_I4); |
|
|
|
il.MarkLabel(loopEnd); |
|
EmitOffsetPlusReadSize(il); |
|
}); |
|
|
|
// end fixed |
|
il.Emit(OpCodes.Ldc_I4_0); |
|
il.Emit(OpCodes.Conv_U); |
|
il.EmitStloc(buffer); |
|
} |
|
else |
|
{ |
|
var key = il.DeclareLocal(typeof(int)); |
|
var switchDefault = il.DefineLabel(); |
|
|
|
il.EmitIncrementFor(length, forILocal => |
|
{ |
|
var loopEnd = il.DefineLabel(); |
|
|
|
il.EmitLdloc(forILocal); |
|
il.EmitStloc(key); |
|
|
|
// switch... local = Deserialize |
|
il.EmitLdloc(key); |
|
|
|
il.Emit(OpCodes.Switch, infoList.Select(x => x.SwitchLabel).ToArray()); |
|
|
|
il.MarkLabel(switchDefault); |
|
// default, only read. readSize = MessagePackBinary.ReadNextBlock(bytes, offset); |
|
il.EmitLdarg(4); |
|
il.EmitLdarg(1); |
|
il.EmitLdarg(2); |
|
il.EmitCall(MessagePackBinaryTypeInfo.ReadNextBlock); |
|
il.Emit(OpCodes.Stind_I4); |
|
il.Emit(OpCodes.Br, loopEnd); |
|
|
|
if (gotoDefault != null) |
|
{ |
|
il.MarkLabel(gotoDefault.Value); |
|
il.Emit(OpCodes.Br, switchDefault); |
|
} |
|
|
|
foreach (var item in infoList) |
|
{ |
|
if (item.MemberInfo != null) |
|
{ |
|
il.MarkLabel(item.SwitchLabel); |
|
EmitDeserializeValue(il, item); |
|
il.Emit(OpCodes.Br, loopEnd); |
|
} |
|
} |
|
|
|
// offset += readSize |
|
il.MarkLabel(loopEnd); |
|
EmitOffsetPlusReadSize(il); |
|
}); |
|
} |
|
|
|
// finish readSize: readSize = offset - startOffset; |
|
il.EmitLdarg(4); |
|
il.EmitLdarg(2); |
|
il.EmitLdloc(startOffsetLocal); |
|
il.Emit(OpCodes.Sub); |
|
il.Emit(OpCodes.Stind_I4); |
|
|
|
// create result object |
|
var structLocal = EmitNewObject(il, type, info, infoList); |
|
|
|
// IMessagePackSerializationCallbackReceiver.OnAfterDeserialize() |
|
if (type.GetTypeInfo().ImplementedInterfaces.Any(x => x == typeof(IMessagePackSerializationCallbackReceiver))) |
|
{ |
|
// call directly |
|
var runtimeMethods = type.GetRuntimeMethods().Where(x => x.Name == "OnAfterDeserialize").ToArray(); |
|
if (runtimeMethods.Length == 1) |
|
{ |
|
if (info.IsClass) |
|
{ |
|
il.Emit(OpCodes.Dup); |
|
} |
|
else |
|
{ |
|
il.EmitLdloca(structLocal); |
|
} |
|
|
|
il.Emit(OpCodes.Call, runtimeMethods[0]); // don't use EmitCall helper(must use 'Call') |
|
} |
|
else |
|
{ |
|
if (info.IsStruct) |
|
{ |
|
il.EmitLdloc(structLocal); |
|
il.Emit(OpCodes.Box, type); |
|
} |
|
else |
|
{ |
|
il.Emit(OpCodes.Dup); |
|
} |
|
il.EmitCall(onAfterDeserialize); |
|
} |
|
} |
|
|
|
if (info.IsStruct) |
|
{ |
|
il.Emit(OpCodes.Ldloc, structLocal); |
|
} |
|
|
|
|
|
il.Emit(OpCodes.Ret); |
|
} |
|
|
|
static void EmitOffsetPlusReadSize(ILGenerator il) |
|
{ |
|
il.EmitLdarg(2); |
|
il.EmitLdarg(4); |
|
il.Emit(OpCodes.Ldind_I4); |
|
il.Emit(OpCodes.Add); |
|
il.EmitStarg(2); |
|
} |
|
|
|
static void EmitDeserializeValue(ILGenerator il, DeserializeInfo info) |
|
{ |
|
var member = info.MemberInfo; |
|
var t = member.Type; |
|
if (IsOptimizeTargetType(t)) |
|
{ |
|
il.EmitLdarg(1); |
|
il.EmitLdarg(2); |
|
il.EmitLdarg(4); |
|
if (t == typeof(byte[])) |
|
{ |
|
il.EmitCall(MessagePackBinaryTypeInfo.ReadBytes); |
|
} |
|
else |
|
{ |
|
il.EmitCall(MessagePackBinaryTypeInfo.TypeInfo.GetDeclaredMethods("Read" + t.Name).OrderByDescending(x => x.GetParameters().Length).First()); |
|
} |
|
} |
|
else |
|
{ |
|
il.EmitLdarg(3); |
|
il.EmitCall(getFormatterWithVerify.MakeGenericMethod(t)); |
|
il.EmitLdarg(1); |
|
il.EmitLdarg(2); |
|
il.EmitLdarg(3); |
|
il.EmitLdarg(4); |
|
il.EmitCall(getDeserialize(t)); |
|
} |
|
|
|
il.EmitStloc(info.LocalField); |
|
} |
|
|
|
static LocalBuilder EmitNewObject(ILGenerator il, Type type, ObjectSerializationInfo info, DeserializeInfo[] members) |
|
{ |
|
if (info.IsClass) |
|
{ |
|
foreach (var item in info.ConstructorParameters) |
|
{ |
|
var local = members.First(x => x.MemberInfo == item); |
|
il.EmitLdloc(local.LocalField); |
|
} |
|
il.Emit(OpCodes.Newobj, info.BestmatchConstructor); |
|
|
|
foreach (var item in members.Where(x => x.MemberInfo != null && x.MemberInfo.IsWritable)) |
|
{ |
|
il.Emit(OpCodes.Dup); |
|
il.EmitLdloc(item.LocalField); |
|
item.MemberInfo.EmitStoreValue(il); |
|
} |
|
|
|
return null; |
|
} |
|
else |
|
{ |
|
var result = il.DeclareLocal(type); |
|
if (info.BestmatchConstructor == null) |
|
{ |
|
il.Emit(OpCodes.Ldloca, result); |
|
il.Emit(OpCodes.Initobj, type); |
|
} |
|
else |
|
{ |
|
foreach (var item in info.ConstructorParameters) |
|
{ |
|
var local = members.First(x => x.MemberInfo == item); |
|
il.EmitLdloc(local.LocalField); |
|
} |
|
il.Emit(OpCodes.Newobj, info.BestmatchConstructor); |
|
il.Emit(OpCodes.Stloc, result); |
|
} |
|
|
|
foreach (var item in members.Where(x => x.MemberInfo != null && x.MemberInfo.IsWritable)) |
|
{ |
|
il.EmitLdloca(result); |
|
il.EmitLdloc(item.LocalField); |
|
item.MemberInfo.EmitStoreValue(il); |
|
} |
|
|
|
return result; // struct returns local result field |
|
} |
|
} |
|
|
|
static bool IsOptimizeTargetType(Type type) |
|
{ |
|
if (type == typeof(Int16) |
|
|| type == typeof(Int32) |
|
|| type == typeof(Int64) |
|
|| type == typeof(UInt16) |
|
|| type == typeof(UInt32) |
|
|| type == typeof(UInt64) |
|
|| type == typeof(Single) |
|
|| type == typeof(Double) |
|
|| type == typeof(bool) |
|
|| type == typeof(byte) |
|
|| type == typeof(sbyte) |
|
|| type == typeof(char) |
|
// not includes DateTime and String and Binary. |
|
//|| type == typeof(DateTime) |
|
//|| type == typeof(string) |
|
//|| type == typeof(byte[]) |
|
) |
|
{ |
|
return true; |
|
} |
|
return false; |
|
} |
|
|
|
// EmitInfos... |
|
|
|
static readonly Type refByte = typeof(byte[]).MakeByRefType(); |
|
static readonly Type refInt = typeof(int).MakeByRefType(); |
|
static readonly MethodInfo getFormatterWithVerify = typeof(FormatterResolverExtensions).GetRuntimeMethods().First(x => x.Name == "GetFormatterWithVerify"); |
|
static readonly Func<Type, MethodInfo> getSerialize = t => typeof(IMessagePackFormatter<>).MakeGenericType(t).GetRuntimeMethod("Serialize", new[] { refByte, typeof(int), t, typeof(IFormatterResolver) }); |
|
static readonly Func<Type, MethodInfo> getDeserialize = t => typeof(IMessagePackFormatter<>).MakeGenericType(t).GetRuntimeMethod("Deserialize", new[] { typeof(byte[]), typeof(int), typeof(IFormatterResolver), refInt }); |
|
// static readonly ConstructorInfo dictionaryConstructor = typeof(ByteArrayStringHashTable).GetTypeInfo().DeclaredConstructors.First(x => { var p = x.GetParameters(); return p.Length == 1 && p[0].ParameterType == typeof(int); }); |
|
// static readonly MethodInfo dictionaryAdd = typeof(ByteArrayStringHashTable).GetRuntimeMethod("Add", new[] { typeof(string), typeof(int) }); |
|
// static readonly MethodInfo dictionaryTryGetValue = typeof(ByteArrayStringHashTable).GetRuntimeMethod("TryGetValue", new[] { typeof(ArraySegment<byte>), refInt }); |
|
static readonly ConstructorInfo invalidOperationExceptionConstructor = typeof(System.InvalidOperationException).GetTypeInfo().DeclaredConstructors.First(x => { var p = x.GetParameters(); return p.Length == 1 && p[0].ParameterType == typeof(string); }); |
|
|
|
static readonly MethodInfo onBeforeSerialize = typeof(IMessagePackSerializationCallbackReceiver).GetRuntimeMethod("OnBeforeSerialize", Type.EmptyTypes); |
|
static readonly MethodInfo onAfterDeserialize = typeof(IMessagePackSerializationCallbackReceiver).GetRuntimeMethod("OnAfterDeserialize", Type.EmptyTypes); |
|
|
|
static readonly ConstructorInfo objectCtor = typeof(object).GetTypeInfo().DeclaredConstructors.First(x => x.GetParameters().Length == 0); |
|
|
|
static readonly MethodInfo getutf8 = typeof(Encoding).GetTypeInfo().GetDeclaredProperty("UTF8").GetGetMethod(); |
|
static readonly MethodInfo getbytes = typeof(Encoding).GetRuntimeMethod("GetBytes", new[] { typeof(string) }); |
|
|
|
internal static class MessagePackBinaryTypeInfo |
|
{ |
|
public static TypeInfo TypeInfo = typeof(MessagePackBinary).GetTypeInfo(); |
|
|
|
public static MethodInfo WriteFixedMapHeaderUnsafe = typeof(MessagePackBinary).GetRuntimeMethod("WriteFixedMapHeaderUnsafe", new[] { refByte, typeof(int), typeof(int) }); |
|
public static MethodInfo WriteFixedArrayHeaderUnsafe = typeof(MessagePackBinary).GetRuntimeMethod("WriteFixedArrayHeaderUnsafe", new[] { refByte, typeof(int), typeof(int) }); |
|
public static MethodInfo WriteMapHeader = typeof(MessagePackBinary).GetRuntimeMethod("WriteMapHeader", new[] { refByte, typeof(int), typeof(int) }); |
|
public static MethodInfo WriteArrayHeader = typeof(MessagePackBinary).GetRuntimeMethod("WriteArrayHeader", new[] { refByte, typeof(int), typeof(int) }); |
|
public static MethodInfo WritePositiveFixedIntUnsafe = typeof(MessagePackBinary).GetRuntimeMethod("WritePositiveFixedIntUnsafe", new[] { refByte, typeof(int), typeof(int) }); |
|
public static MethodInfo WriteInt32 = typeof(MessagePackBinary).GetRuntimeMethod("WriteInt32", new[] { refByte, typeof(int), typeof(int) }); |
|
public static MethodInfo WriteBytes = typeof(MessagePackBinary).GetRuntimeMethod("WriteBytes", new[] { refByte, typeof(int), typeof(byte[]) }); |
|
public static MethodInfo WriteNil = typeof(MessagePackBinary).GetRuntimeMethod("WriteNil", new[] { refByte, typeof(int) }); |
|
public static MethodInfo ReadBytes = typeof(MessagePackBinary).GetRuntimeMethod("ReadBytes", new[] { typeof(byte[]), typeof(int), refInt }); |
|
public static MethodInfo ReadInt32 = typeof(MessagePackBinary).GetRuntimeMethod("ReadInt32", new[] { typeof(byte[]), typeof(int), refInt }); |
|
public static MethodInfo ReadString = typeof(MessagePackBinary).GetRuntimeMethod("ReadString", new[] { typeof(byte[]), typeof(int), refInt }); |
|
public static MethodInfo ReadStringSegment = typeof(MessagePackBinary).GetRuntimeMethod("ReadStringSegment", new[] { typeof(byte[]), typeof(int), refInt }); |
|
public static MethodInfo IsNil = typeof(MessagePackBinary).GetRuntimeMethod("IsNil", new[] { typeof(byte[]), typeof(int) }); |
|
public static MethodInfo ReadNextBlock = typeof(MessagePackBinary).GetRuntimeMethod("ReadNextBlock", new[] { typeof(byte[]), typeof(int) }); |
|
public static MethodInfo WriteStringUnsafe = typeof(MessagePackBinary).GetRuntimeMethod("WriteStringUnsafe", new[] { refByte, typeof(int), typeof(string), typeof(int) }); |
|
public static MethodInfo WriteStringBytes = typeof(MessagePackBinary).GetRuntimeMethod("WriteStringBytes", new[] { refByte, typeof(int), typeof(byte[]) }); |
|
|
|
public static MethodInfo ReadArrayHeader = typeof(MessagePackBinary).GetRuntimeMethod("ReadArrayHeader", new[] { typeof(byte[]), typeof(int), refInt }); |
|
public static MethodInfo ReadMapHeader = typeof(MessagePackBinary).GetRuntimeMethod("ReadMapHeader", new[] { typeof(byte[]), typeof(int), refInt }); |
|
|
|
static MessagePackBinaryTypeInfo() |
|
{ |
|
} |
|
} |
|
|
|
class DeserializeInfo |
|
{ |
|
public ObjectSerializationInfo.EmittableMember MemberInfo { get; set; } |
|
public LocalBuilder LocalField { get; set; } |
|
public Label SwitchLabel { get; set; } |
|
} |
|
} |
|
|
|
internal static class DynamicPrivateFormatterBuilder |
|
{ |
|
static readonly Type refByte = typeof(byte[]).MakeByRefType(); |
|
static readonly MethodInfo getFormatterWithVerify = typeof(FormatterResolverExtensions).GetRuntimeMethods().First(x => x.Name == "GetFormatterWithVerify"); |
|
static readonly Func<Type, MethodInfo> getSerialize = t => typeof(IMessagePackFormatter<>).MakeGenericType(t).GetRuntimeMethod("Serialize", new[] { refByte, typeof(int), t, typeof(IFormatterResolver) }); |
|
|
|
// Private type formatter can not create by DynamicAssembly but sometimes needs it(anonymous type, etc...) |
|
// use DynamicMethod(skipVisibility:true) can avoid it so use delegation formatter. |
|
public static object BuildFormatter(Type type) |
|
{ |
|
var info = ObjectSerializationInfo.CreateOrNull(type, true, true); |
|
|
|
var serialize = new DynamicMethod("Serialize", typeof(int), new[] { typeof(byte[]).MakeByRefType(), typeof(int), type, typeof(IFormatterResolver) }, type, true); |
|
|
|
var il = serialize.GetILGenerator(); |
|
|
|
// Build Serialize(same as DynamicObjectTypeBuilder.BuildSerialize but argument - 1) |
|
{ |
|
// if(value == null) return WriteNil |
|
var elseBody = il.DefineLabel(); |
|
|
|
il.EmitLdarg(2); |
|
il.Emit(OpCodes.Brtrue_S, elseBody); |
|
il.EmitLdarg(0); |
|
il.EmitLdarg(1); |
|
il.EmitCall(DynamicObjectTypeBuilder.MessagePackBinaryTypeInfo.WriteNil); |
|
il.Emit(OpCodes.Ret); |
|
|
|
il.MarkLabel(elseBody); |
|
|
|
// var startOffset = offset; |
|
var startOffsetLocal = il.DeclareLocal(typeof(int)); // [loc:0] |
|
il.EmitLdarg(1); |
|
il.EmitStloc(startOffsetLocal); |
|
|
|
// use only Map! |
|
var writeCount = info.Members.Count(x => x.IsReadable); |
|
|
|
EmitOffsetPlusEqual(il, null, () => |
|
{ |
|
il.EmitLdc_I4(writeCount); |
|
if (writeCount <= MessagePackRange.MaxFixMapCount) |
|
{ |
|
il.EmitCall(DynamicObjectTypeBuilder.MessagePackBinaryTypeInfo.WriteFixedMapHeaderUnsafe); |
|
} |
|
else |
|
{ |
|
il.EmitCall(DynamicObjectTypeBuilder.MessagePackBinaryTypeInfo.WriteMapHeader); |
|
} |
|
}); |
|
|
|
foreach (var item in info.Members.Where(x => x.IsReadable)) |
|
{ |
|
// offset += writekey |
|
if (info.IsStringKey) |
|
{ |
|
EmitOffsetPlusEqual(il, null, () => |
|
{ |
|
// embed string and bytesize |
|
il.Emit(OpCodes.Ldstr, item.StringKey); |
|
il.EmitLdc_I4(StringEncoding.UTF8.GetByteCount(item.StringKey)); |
|
il.EmitCall(DynamicObjectTypeBuilder.MessagePackBinaryTypeInfo.WriteStringUnsafe); |
|
}); |
|
} |
|
|
|
// offset += serialzie |
|
EmitSerializeValue(il, type.GetTypeInfo(), item); |
|
} |
|
|
|
// return startOffset- offset; |
|
il.EmitLdarg(1); |
|
il.EmitLdloc(startOffsetLocal); |
|
il.Emit(OpCodes.Sub); |
|
il.Emit(OpCodes.Ret); |
|
} |
|
|
|
var method = serialize.CreateDelegate(typeof(SerializeDelegate<>).MakeGenericType(type)); |
|
var formatter = Activator.CreateInstance(typeof(AnonymousSerializableFormatter<>).MakeGenericType(type), new object[] { method }); |
|
return formatter; |
|
} |
|
|
|
static void EmitOffsetPlusEqual(ILGenerator il, Action loadEmit, Action emit) |
|
{ |
|
il.EmitLdarg(1); |
|
|
|
if (loadEmit != null) loadEmit(); |
|
|
|
il.EmitLdarg(0); |
|
il.EmitLdarg(1); |
|
|
|
emit(); |
|
|
|
il.Emit(OpCodes.Add); |
|
il.EmitStarg(1); |
|
} |
|
|
|
static void EmitSerializeValue(ILGenerator il, TypeInfo type, ObjectSerializationInfo.EmittableMember member) |
|
{ |
|
var t = member.Type; |
|
if (IsOptimizeTargetType(t)) |
|
{ |
|
EmitOffsetPlusEqual(il, null, () => |
|
{ |
|
il.EmitLoadArg(type, 2); |
|
member.EmitLoadValue(il); |
|
if (t == typeof(byte[])) |
|
{ |
|
il.EmitCall(DynamicObjectTypeBuilder.MessagePackBinaryTypeInfo.WriteBytes); |
|
} |
|
else |
|
{ |
|
il.EmitCall(DynamicObjectTypeBuilder.MessagePackBinaryTypeInfo.TypeInfo.GetDeclaredMethods("Write" + t.Name).OrderByDescending(x => x.GetParameters().Length).First()); |
|
} |
|
}); |
|
} |
|
else |
|
{ |
|
EmitOffsetPlusEqual(il, () => |
|
{ |
|
il.EmitLdarg(3); |
|
il.Emit(OpCodes.Call, getFormatterWithVerify.MakeGenericMethod(t)); |
|
}, () => |
|
{ |
|
il.EmitLoadArg(type, 2); |
|
member.EmitLoadValue(il); |
|
il.EmitLdarg(3); |
|
il.EmitCall(getSerialize(t)); |
|
}); |
|
} |
|
} |
|
|
|
static bool IsOptimizeTargetType(Type type) |
|
{ |
|
if (type == typeof(Int16) |
|
|| type == typeof(Int32) |
|
|| type == typeof(Int64) |
|
|| type == typeof(UInt16) |
|
|| type == typeof(UInt32) |
|
|| type == typeof(UInt64) |
|
|| type == typeof(Single) |
|
|| type == typeof(Double) |
|
|| type == typeof(bool) |
|
|| type == typeof(byte) |
|
|| type == typeof(sbyte) |
|
|| type == typeof(char) |
|
// not includes DateTime and String and Binary. |
|
//|| type == typeof(DateTime) |
|
//|| type == typeof(string) |
|
//|| type == typeof(byte[]) |
|
) |
|
{ |
|
return true; |
|
} |
|
return false; |
|
} |
|
} |
|
|
|
internal delegate int SerializeDelegate<T>(ref byte[] bytes, int offset, T value, IFormatterResolver formatterResolver); |
|
|
|
internal class AnonymousSerializableFormatter<T> : IMessagePackFormatter<T> |
|
{ |
|
readonly SerializeDelegate<T> serialize; |
|
|
|
public AnonymousSerializableFormatter(SerializeDelegate<T> serialize) |
|
{ |
|
this.serialize = serialize; |
|
} |
|
|
|
public int Serialize(ref byte[] bytes, int offset, T value, IFormatterResolver formatterResolver) |
|
{ |
|
return serialize(ref bytes, offset, value, formatterResolver); |
|
} |
|
|
|
public T Deserialize(byte[] bytes, int offset, IFormatterResolver formatterResolver, out int readSize) |
|
{ |
|
throw new NotSupportedException("Anonymous Formatter does not support Deserialize."); |
|
} |
|
} |
|
|
|
internal class ObjectSerializationInfo |
|
{ |
|
public bool IsIntKey { get; set; } |
|
public bool IsStringKey { get { return !IsIntKey; } } |
|
public bool IsClass { get; set; } |
|
public bool IsStruct { get { return !IsClass; } } |
|
public ConstructorInfo BestmatchConstructor { get; set; } |
|
public EmittableMember[] ConstructorParameters { get; set; } |
|
public EmittableMember[] Members { get; set; } |
|
|
|
ObjectSerializationInfo() |
|
{ |
|
|
|
} |
|
|
|
public static ObjectSerializationInfo CreateOrNull(Type type, bool forceStringKey, bool contractless) |
|
{ |
|
var ti = type.GetTypeInfo(); |
|
var isClass = ti.IsClass; |
|
|
|
var contractAttr = ti.GetCustomAttribute<MessagePackObjectAttribute>(); |
|
var dataContractAttr = ti.GetCustomAttribute<DataContractAttribute>(); |
|
if (contractAttr == null && dataContractAttr == null && !forceStringKey && !contractless) |
|
{ |
|
return null; |
|
} |
|
|
|
var isIntKey = true; |
|
var intMembers = new Dictionary<int, EmittableMember>(); |
|
var stringMembers = new Dictionary<string, EmittableMember>(); |
|
|
|
if (forceStringKey || contractless || (contractAttr != null && contractAttr.KeyAsPropertyName)) |
|
{ |
|
// All public members are serialize target except [Ignore] member. |
|
isIntKey = !(forceStringKey || (contractAttr != null && contractAttr.KeyAsPropertyName)); |
|
|
|
var hiddenIntKey = 0; |
|
foreach (var item in type.GetRuntimeProperties()) |
|
{ |
|
if (item.GetCustomAttribute<IgnoreMemberAttribute>(true) != null) continue; |
|
if (item.GetCustomAttribute<IgnoreDataMemberAttribute>(true) != null) continue; |
|
|
|
var member = new EmittableMember |
|
{ |
|
PropertyInfo = item, |
|
IsReadable = (item.GetGetMethod() != null) && item.GetGetMethod().IsPublic && !item.GetGetMethod().IsStatic, |
|
IsWritable = (item.GetSetMethod() != null) && item.GetSetMethod().IsPublic && !item.GetSetMethod().IsStatic, |
|
StringKey = item.Name |
|
}; |
|
if (!member.IsReadable && !member.IsWritable) continue; |
|
member.IntKey = hiddenIntKey++; |
|
if (isIntKey) |
|
{ |
|
intMembers.Add(member.IntKey, member); |
|
} |
|
else |
|
{ |
|
stringMembers.Add(member.StringKey, member); |
|
} |
|
} |
|
foreach (var item in type.GetRuntimeFields()) |
|
{ |
|
if (item.GetCustomAttribute<IgnoreMemberAttribute>(true) != null) continue; |
|
if (item.GetCustomAttribute<IgnoreDataMemberAttribute>(true) != null) continue; |
|
if (item.GetCustomAttribute<System.Runtime.CompilerServices.CompilerGeneratedAttribute>(true) != null) continue; |
|
if (item.IsStatic) continue; |
|
|
|
var member = new EmittableMember |
|
{ |
|
FieldInfo = item, |
|
IsReadable = item.IsPublic, |
|
IsWritable = item.IsPublic && !item.IsInitOnly, |
|
StringKey = item.Name |
|
}; |
|
if (!member.IsReadable && !member.IsWritable) continue; |
|
member.IntKey = hiddenIntKey++; |
|
if (isIntKey) |
|
{ |
|
intMembers.Add(member.IntKey, member); |
|
} |
|
else |
|
{ |
|
stringMembers.Add(member.StringKey, member); |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
// Public members with KeyAttribute except [Ignore] member. |
|
var searchFirst = true; |
|
var hiddenIntKey = 0; |
|
|
|
foreach (var item in type.GetRuntimeProperties()) |
|
{ |
|
if (item.GetCustomAttribute<IgnoreMemberAttribute>(true) != null) continue; |
|
if (item.GetCustomAttribute<IgnoreDataMemberAttribute>(true) != null) continue; |
|
|
|
var member = new EmittableMember |
|
{ |
|
PropertyInfo = item, |
|
IsReadable = (item.GetGetMethod() != null) && item.GetGetMethod().IsPublic && !item.GetGetMethod().IsStatic, |
|
IsWritable = (item.GetSetMethod() != null) && item.GetSetMethod().IsPublic && !item.GetSetMethod().IsStatic, |
|
}; |
|
if (!member.IsReadable && !member.IsWritable) continue; |
|
|
|
KeyAttribute key; |
|
if (contractAttr != null) |
|
{ |
|
// MessagePackObjectAttribute |
|
key = item.GetCustomAttribute<KeyAttribute>(true); |
|
if (key == null) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("all public members must mark KeyAttribute or IgnoreMemberAttribute." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
|
|
if (key.IntKey == null && key.StringKey == null) throw new MessagePackDynamicObjectResolverException("both IntKey and StringKey are null." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
else |
|
{ |
|
// DataContractAttribute |
|
var pseudokey = item.GetCustomAttribute<DataMemberAttribute>(true); |
|
if (pseudokey == null) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("all public members must mark DataMemberAttribute or IgnoreMemberAttribute." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
|
|
// use Order first |
|
if (pseudokey.Order != -1) |
|
{ |
|
key = new KeyAttribute(pseudokey.Order); |
|
} |
|
else if (pseudokey.Name != null) |
|
{ |
|
key = new KeyAttribute(pseudokey.Name); |
|
} |
|
else |
|
{ |
|
key = new KeyAttribute(item.Name); // use property name |
|
} |
|
} |
|
|
|
if (searchFirst) |
|
{ |
|
searchFirst = false; |
|
isIntKey = key.IntKey != null; |
|
} |
|
else |
|
{ |
|
if ((isIntKey && key.IntKey == null) || (!isIntKey && key.StringKey == null)) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("all members key type must be same." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
} |
|
|
|
if (isIntKey) |
|
{ |
|
member.IntKey = key.IntKey.Value; |
|
if (intMembers.ContainsKey(member.IntKey)) throw new MessagePackDynamicObjectResolverException("key is duplicated, all members key must be unique." + " type: " + type.FullName + " member:" + item.Name); |
|
|
|
intMembers.Add(member.IntKey, member); |
|
} |
|
else |
|
{ |
|
member.StringKey = key.StringKey; |
|
if (stringMembers.ContainsKey(member.StringKey)) throw new MessagePackDynamicObjectResolverException("key is duplicated, all members key must be unique." + " type: " + type.FullName + " member:" + item.Name); |
|
|
|
member.IntKey = hiddenIntKey++; |
|
stringMembers.Add(member.StringKey, member); |
|
} |
|
} |
|
|
|
foreach (var item in type.GetRuntimeFields()) |
|
{ |
|
if (item.GetCustomAttribute<IgnoreMemberAttribute>(true) != null) continue; |
|
if (item.GetCustomAttribute<IgnoreDataMemberAttribute>(true) != null) continue; |
|
if (item.GetCustomAttribute<System.Runtime.CompilerServices.CompilerGeneratedAttribute>(true) != null) continue; |
|
if (item.IsStatic) continue; |
|
|
|
var member = new EmittableMember |
|
{ |
|
FieldInfo = item, |
|
IsReadable = item.IsPublic, |
|
IsWritable = item.IsPublic && !item.IsInitOnly, |
|
}; |
|
if (!member.IsReadable && !member.IsWritable) continue; |
|
|
|
KeyAttribute key; |
|
if (contractAttr != null) |
|
{ |
|
// MessagePackObjectAttribute |
|
key = item.GetCustomAttribute<KeyAttribute>(true); |
|
if (key == null) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("all public members must mark KeyAttribute or IgnoreMemberAttribute." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
|
|
if (key.IntKey == null && key.StringKey == null) throw new MessagePackDynamicObjectResolverException("both IntKey and StringKey are null." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
else |
|
{ |
|
// DataContractAttribute |
|
var pseudokey = item.GetCustomAttribute<DataMemberAttribute>(true); |
|
if (pseudokey == null) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("all public members must mark DataMemberAttribute or IgnoreMemberAttribute." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
|
|
// use Order first |
|
if (pseudokey.Order != -1) |
|
{ |
|
key = new KeyAttribute(pseudokey.Order); |
|
} |
|
else if (pseudokey.Name != null) |
|
{ |
|
key = new KeyAttribute(pseudokey.Name); |
|
} |
|
else |
|
{ |
|
key = new KeyAttribute(item.Name); // use property name |
|
} |
|
} |
|
|
|
if (searchFirst) |
|
{ |
|
searchFirst = false; |
|
isIntKey = key.IntKey != null; |
|
} |
|
else |
|
{ |
|
if ((isIntKey && key.IntKey == null) || (!isIntKey && key.StringKey == null)) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("all members key type must be same." + " type: " + type.FullName + " member:" + item.Name); |
|
} |
|
} |
|
|
|
if (isIntKey) |
|
{ |
|
member.IntKey = key.IntKey.Value; |
|
if (intMembers.ContainsKey(member.IntKey)) throw new MessagePackDynamicObjectResolverException("key is duplicated, all members key must be unique." + " type: " + type.FullName + " member:" + item.Name); |
|
|
|
intMembers.Add(member.IntKey, member); |
|
} |
|
else |
|
{ |
|
member.StringKey = key.StringKey; |
|
if (stringMembers.ContainsKey(member.StringKey)) throw new MessagePackDynamicObjectResolverException("key is duplicated, all members key must be unique." + " type: " + type.FullName + " member:" + item.Name); |
|
|
|
member.IntKey = hiddenIntKey++; |
|
stringMembers.Add(member.StringKey, member); |
|
} |
|
} |
|
} |
|
|
|
// GetConstructor |
|
IEnumerator<ConstructorInfo> ctorEnumerator = null; |
|
var ctor = ti.DeclaredConstructors.Where(x => x.IsPublic).SingleOrDefault(x => x.GetCustomAttribute<SerializationConstructorAttribute>(false) != null); |
|
if (ctor == null) |
|
{ |
|
ctorEnumerator = |
|
ti.DeclaredConstructors.Where(x => x.IsPublic).OrderBy(x => x.GetParameters().Length) |
|
.GetEnumerator(); |
|
|
|
if (ctorEnumerator.MoveNext()) |
|
{ |
|
ctor = ctorEnumerator.Current; |
|
} |
|
} |
|
// struct allows null ctor |
|
if (ctor == null && isClass) throw new MessagePackDynamicObjectResolverException("can't find public constructor. type:" + type.FullName); |
|
|
|
var constructorParameters = new List<EmittableMember>(); |
|
if (ctor != null) |
|
{ |
|
var constructorLookupDictionary = stringMembers.ToLookup(x => x.Key, x => x, StringComparer.OrdinalIgnoreCase); |
|
do |
|
{ |
|
constructorParameters.Clear(); |
|
var ctorParamIndex = 0; |
|
foreach (var item in ctor.GetParameters()) |
|
{ |
|
EmittableMember paramMember; |
|
if (isIntKey) |
|
{ |
|
if (intMembers.TryGetValue(ctorParamIndex, out paramMember)) |
|
{ |
|
if (item.ParameterType == paramMember.Type && paramMember.IsReadable) |
|
{ |
|
constructorParameters.Add(paramMember); |
|
} |
|
else |
|
{ |
|
if (ctorEnumerator != null) |
|
{ |
|
ctor = null; |
|
continue; |
|
} |
|
else |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("can't find matched constructor parameter, parameterType mismatch. type:" + type.FullName + " parameterIndex:" + ctorParamIndex + " paramterType:" + item.ParameterType.Name); |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
if (ctorEnumerator != null) |
|
{ |
|
ctor = null; |
|
continue; |
|
} |
|
else |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("can't find matched constructor parameter, index not found. type:" + type.FullName + " parameterIndex:" + ctorParamIndex); |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
var hasKey = constructorLookupDictionary[item.Name]; |
|
var len = hasKey.Count(); |
|
if (len != 0) |
|
{ |
|
if (len != 1) |
|
{ |
|
if (ctorEnumerator != null) |
|
{ |
|
ctor = null; |
|
continue; |
|
} |
|
else |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("duplicate matched constructor parameter name:" + type.FullName + " parameterName:" + item.Name + " paramterType:" + item.ParameterType.Name); |
|
} |
|
} |
|
|
|
paramMember = hasKey.First().Value; |
|
if (item.ParameterType == paramMember.Type && paramMember.IsReadable) |
|
{ |
|
constructorParameters.Add(paramMember); |
|
} |
|
else |
|
{ |
|
if (ctorEnumerator != null) |
|
{ |
|
ctor = null; |
|
continue; |
|
} |
|
else |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("can't find matched constructor parameter, parameterType mismatch. type:" + type.FullName + " parameterName:" + item.Name + " paramterType:" + item.ParameterType.Name); |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
if (ctorEnumerator != null) |
|
{ |
|
ctor = null; |
|
continue; |
|
} |
|
else |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("can't find matched constructor parameter, index not found. type:" + type.FullName + " parameterName:" + item.Name); |
|
} |
|
} |
|
} |
|
ctorParamIndex++; |
|
} |
|
} while (TryGetNextConstructor(ctorEnumerator, ref ctor)); |
|
|
|
if (ctor == null) |
|
{ |
|
throw new MessagePackDynamicObjectResolverException("can't find matched constructor. type:" + type.FullName); |
|
} |
|
} |
|
|
|
return new ObjectSerializationInfo |
|
{ |
|
IsClass = isClass, |
|
BestmatchConstructor = ctor, |
|
ConstructorParameters = constructorParameters.ToArray(), |
|
IsIntKey = isIntKey, |
|
Members = (isIntKey) ? intMembers.Values.ToArray() : stringMembers.Values.ToArray() |
|
}; |
|
} |
|
|
|
static bool TryGetNextConstructor(IEnumerator<ConstructorInfo> ctorEnumerator, ref ConstructorInfo ctor) |
|
{ |
|
if (ctorEnumerator == null || ctor != null) |
|
{ |
|
return false; |
|
} |
|
|
|
if (ctorEnumerator.MoveNext()) |
|
{ |
|
ctor = ctorEnumerator.Current; |
|
return true; |
|
} |
|
else |
|
{ |
|
ctor = null; |
|
return false; |
|
} |
|
} |
|
|
|
public class EmittableMember |
|
{ |
|
public bool IsProperty { get { return PropertyInfo != null; } } |
|
public bool IsField { get { return FieldInfo != null; } } |
|
public bool IsWritable { get; set; } |
|
public bool IsReadable { get; set; } |
|
public int IntKey { get; set; } |
|
public string StringKey { get; set; } |
|
public Type Type { get { return IsField ? FieldInfo.FieldType : PropertyInfo.PropertyType; } } |
|
public FieldInfo FieldInfo { get; set; } |
|
public PropertyInfo PropertyInfo { get; set; } |
|
public bool IsValueType |
|
{ |
|
get |
|
{ |
|
var mi = IsProperty ? (MemberInfo)PropertyInfo : FieldInfo; |
|
return mi.DeclaringType.GetTypeInfo().IsValueType; |
|
} |
|
} |
|
|
|
public void EmitLoadValue(ILGenerator il) |
|
{ |
|
if (IsProperty) |
|
{ |
|
il.EmitCall(PropertyInfo.GetGetMethod()); |
|
} |
|
else |
|
{ |
|
il.Emit(OpCodes.Ldfld, FieldInfo); |
|
} |
|
} |
|
|
|
public void EmitStoreValue(ILGenerator il) |
|
{ |
|
if (IsProperty) |
|
{ |
|
il.EmitCall(PropertyInfo.GetSetMethod()); |
|
} |
|
else |
|
{ |
|
il.Emit(OpCodes.Stfld, FieldInfo); |
|
} |
|
} |
|
} |
|
} |
|
|
|
internal class MessagePackDynamicObjectResolverException : Exception |
|
{ |
|
public MessagePackDynamicObjectResolverException(string message) |
|
: base(message) |
|
{ |
|
|
|
} |
|
} |
|
} |
|
|
|
#endif |