public static Instruction[] GetReadValue(ModuleDefinition module, TypeReference type, ILProcessor il, ParameterDefinition reader, ParameterDefinition options, ParameterDefinition value, VariableDefinition resolverVariable)
{
type = module.ImportReference(type);
List <Instruction> ins = new List <Instruction>();
bool isStandard = IsStandardReadType(type);
ins.Add(ILHelper.Ldarg(il, value));
if (!isStandard)
{
if (resolverVariable == null)
{
throw new ArgumentNullException(nameof(resolverVariable), "If you don't provide a getResolver call, you'll need to provide a resolver variable.");
}
ins.AddRange(ILHelper.Ldloc(resolverVariable));
ins.Add(Instruction.Create(OpCodes.Call, module.ImportReference(module.ImportReference(typeof(FormatterResolverExtensions).GetMethod("GetFormatterWithVerify")).MakeGenericMethod(type))));
}
else
{
ins.Add(ILHelper.Ldarg(il, reader));
}
MethodReference readMethod;
if (type.Is <byte>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadByte));
}
else if (type.Is <sbyte>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadSByte));
}
else if (type.Is <short>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadInt16));
}
else if (type.Is <ushort>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadUInt16));
}
else if (type.Is <int>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadInt32));
}
else if (type.Is <uint>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadUInt32));
}
else if (type.Is <long>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadInt64));
}
else if (type.Is <ulong>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadUInt64));
}
else if (type.Is <string>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadString));
}
else if (type.Is <char>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadChar));
}
else if (type.Is <bool>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadBoolean));
}
else if (type.Is <float>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadSingle));
}
else if (type.Is <double>())
{
readMethod = module.GetMethod(typeof(MessagePackReader), nameof(MessagePackReader.ReadDouble));
}
else
{
ins.Add(ILHelper.Ldarg(il, reader));
ins.Add(ILHelper.Ldarg(il, options));
readMethod = module.ImportReference(typeof(IMessagePackFormatter <>).GetMethod("Deserialize")).MakeHostInstanceGeneric(module.ImportReference(typeof(IMessagePackFormatter <>)).MakeGenericInstanceType(type));
}
ins.Add(Instruction.Create(isStandard ? OpCodes.Call : OpCodes.Callvirt, readMethod));
Instruction finish;
if (type.Is <sbyte>() || type.Is <byte>())
{
finish = Instruction.Create(OpCodes.Stind_I1);
}
else if (type.Is <short>() || type.Is <ushort>())
{
finish = Instruction.Create(OpCodes.Stind_I2);
}
else if (type.Is <int>() || type.Is <uint>())
{
finish = Instruction.Create(OpCodes.Stind_I4);
}
else if (type.Is <long>() || type.Is <ulong>())
{
finish = Instruction.Create(OpCodes.Stind_I8);
}
else if (type.Is <float>())
{
finish = Instruction.Create(OpCodes.Stind_R4);
}
else if (type.Is <double>())
{
finish = Instruction.Create(OpCodes.Stind_R8);
}
else if (type.IsValueType)
{
finish = Instruction.Create(OpCodes.Stobj, type);
}
else
{
finish = Instruction.Create(OpCodes.Stind_Ref);
}
ins.Add(finish);
return(ins.ToArray());
}
public static Instruction[] GetKeyCheck(MethodDefinition method,
VariableDefinition key,
VariableDefinition stringKey,
VariableDefinition keyLength,
FieldDefinition field,
MethodDefinition fieldSpan,
out Instruction lengthLast,
out Instruction checkLast,
out bool isAdvanced)
{
Span <byte> binary = utf8.GetBytes(field.Name).AsSpan();
switch (binary.Length)
{
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
case 8:
isAdvanced = false;
return(ByteKeyNameCheck(out lengthLast, out checkLast));
default:
isAdvanced = true;
return(SequenceEqualsCheck(binary.Length, out lengthLast, out checkLast));
}
Instruction[] ByteKeyNameCheck(out Instruction length, out Instruction check)
{
ulong id = GetKeyName(field.Name);
List <Instruction> i = new List <Instruction>();
i.AddRange(ILHelper.Ldloc(keyLength));
length = ILHelper.Int(field.Name.Length);
i.Add(length);
i.AddRange(ILHelper.Ldloc(key));
i.Add(ILHelper.ULong(id));
if (id < int.MaxValue)
{
i.Add(Instruction.Create(OpCodes.Conv_I8));
}
check = i[i.Count - 1];
return(i.ToArray());
}
Instruction[] SequenceEqualsCheck(int binaryLength, out Instruction length, out Instruction last)
{
VariableDefinition v = method.AddLocalVariable(method.Module.ImportReference(typeof(ReadOnlySpan <byte>)));
MethodReference seqEqual = null;
MethodInfo[] methods = typeof(MemoryExtensions).GetMethods();
for (int j = 0; j < methods.Length; j++)
{
if (methods[j].Name == "SequenceEqual")
{
ParameterInfo[] para = methods[j].GetParameters();
if (para.Length == 2 && IsSameType(para[0].ParameterType, typeof(ReadOnlySpan <>)) && IsSameType(para[1].ParameterType, typeof(ReadOnlySpan <>)))
{
seqEqual = method.Module.ImportReference(methods[j]).MakeGenericMethod(method.Module.GetTypeReference <byte>());
break;
}
}
}
if (seqEqual == null)
{
throw new NullReferenceException("Couldn't find the sequence equals method.");
}
List <Instruction> i = new List <Instruction>();
i.AddRange(ILHelper.Ldloc(keyLength));
length = ILHelper.Int(field.Name.Length);
i.Add(length);
i.AddRange(ILHelper.Ldloc(stringKey));
i.Add(Instruction.Create(OpCodes.Call, fieldSpan));
i.AddRange(ILHelper.Stloc(v));
i.AddRange(ILHelper.Ldloc(v, true));
i.Add(ILHelper.Int(GetHeaderLength(binaryLength)));
i.Add(Instruction.Create(OpCodes.Call, method.Module.ImportReference(typeof(ReadOnlySpan <byte>).GetMethod("Slice", new[] { typeof(int) }))));
i.Add(Instruction.Create(OpCodes.Call, seqEqual));
last = i[i.Count - 1];
return(i.ToArray());
bool IsSameType(Type typeA, Type typeB)
{
return($"{typeA.Namespace}.{typeA.Name}" == typeB.FullName);
}
}
}
