private static unsafe bool BoxAndEquals(ref IntPtr data, IntPtr typeToBoxIntoPointer, object obj)
{
fixed (IntPtr* pData = &data)
{
RuntimeTypeHandle typeToBoxInto = *(RuntimeTypeHandle*)&typeToBoxIntoPointer;
object boxedObject = RuntimeAugments.Box(typeToBoxInto, (IntPtr)pData);
return boxedObject.Equals(obj);
}
}
private static unsafe int BoxAndGetHashCode(ref IntPtr data, IntPtr typeToBoxIntoPointer)
{
fixed (IntPtr* pData = &data)
{
RuntimeTypeHandle typeToBoxInto = *(RuntimeTypeHandle*)&typeToBoxIntoPointer;
object boxedObject = RuntimeAugments.Box(typeToBoxInto, (IntPtr)pData);
return boxedObject.GetHashCode();
}
}
private static unsafe string BoxAndToString(ref IntPtr data, IntPtr typeToBoxIntoPointer)
{
fixed(IntPtr *pData = &data)
{
RuntimeTypeHandle typeToBoxInto = *(RuntimeTypeHandle *)&typeToBoxIntoPointer;
object boxedObject = RuntimeAugments.Box(typeToBoxInto, (IntPtr)pData);
return(boxedObject.ToString());
}
}
private static Exception ParseBoxedEnumConstantValue(this ConstantBoxedEnumValueHandle handle, MetadataReader reader, out Object value)
{
ConstantBoxedEnumValue record = handle.GetConstantBoxedEnumValue(reader);
Exception exception = null;
Type enumType = record.Type.TryResolve(reader, new TypeContext(null, null), ref exception);
if (enumType == null)
{
value = null;
return(exception);
}
if (!enumType.IsEnum)
{
throw new BadImageFormatException();
}
Type underlyingType = Enum.GetUnderlyingType(enumType);
// Now box the value as the specified enum type.
unsafe
{
switch (record.Value.HandleType)
{
case HandleType.ConstantByteValue:
{
if (underlyingType != CommonRuntimeTypes.Byte)
{
throw new BadImageFormatException();
}
byte v = record.Value.ToConstantByteValueHandle(reader).GetConstantByteValue(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantSByteValue:
{
if (underlyingType != CommonRuntimeTypes.SByte)
{
throw new BadImageFormatException();
}
sbyte v = record.Value.ToConstantSByteValueHandle(reader).GetConstantSByteValue(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantInt16Value:
{
if (underlyingType != CommonRuntimeTypes.Int16)
{
throw new BadImageFormatException();
}
short v = record.Value.ToConstantInt16ValueHandle(reader).GetConstantInt16Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantUInt16Value:
{
if (underlyingType != CommonRuntimeTypes.UInt16)
{
throw new BadImageFormatException();
}
ushort v = record.Value.ToConstantUInt16ValueHandle(reader).GetConstantUInt16Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantInt32Value:
{
if (underlyingType != CommonRuntimeTypes.Int32)
{
throw new BadImageFormatException();
}
int v = record.Value.ToConstantInt32ValueHandle(reader).GetConstantInt32Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantUInt32Value:
{
if (underlyingType != CommonRuntimeTypes.UInt32)
{
throw new BadImageFormatException();
}
uint v = record.Value.ToConstantUInt32ValueHandle(reader).GetConstantUInt32Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantInt64Value:
{
if (underlyingType != CommonRuntimeTypes.Int64)
{
throw new BadImageFormatException();
}
long v = record.Value.ToConstantInt64ValueHandle(reader).GetConstantInt64Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantUInt64Value:
{
if (underlyingType != CommonRuntimeTypes.UInt64)
{
throw new BadImageFormatException();
}
ulong v = record.Value.ToConstantUInt64ValueHandle(reader).GetConstantUInt64Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
default:
throw new BadImageFormatException();
}
}
}
private static Exception ParseBoxedEnumConstantValue(this ConstantBoxedEnumValueHandle handle, ReflectionDomain reflectionDomain, MetadataReader reader, out Object value)
{
if (!(reflectionDomain is Internal.Reflection.Core.Execution.ExecutionDomain))
{
throw new PlatformNotSupportedException(); // Cannot work because boxing enums won't work in non-execution domains.
}
ConstantBoxedEnumValue record = handle.GetConstantBoxedEnumValue(reader);
Exception exception = null;
Type enumType = reflectionDomain.TryResolve(reader, record.Type, new TypeContext(null, null), ref exception);
if (enumType == null)
{
value = null;
return(exception);
}
if (!enumType.GetTypeInfo().IsEnum)
{
throw new BadImageFormatException();
}
Type underlyingType = Enum.GetUnderlyingType(enumType);
// Now box the value as the specified enum type.
unsafe
{
switch (record.Value.HandleType)
{
case HandleType.ConstantByteValue:
{
if (underlyingType != typeof(byte))
{
throw new BadImageFormatException();
}
byte v = record.Value.ToConstantByteValueHandle(reader).GetConstantByteValue(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantSByteValue:
{
if (underlyingType != typeof(sbyte))
{
throw new BadImageFormatException();
}
sbyte v = record.Value.ToConstantSByteValueHandle(reader).GetConstantSByteValue(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantInt16Value:
{
if (underlyingType != typeof(short))
{
throw new BadImageFormatException();
}
short v = record.Value.ToConstantInt16ValueHandle(reader).GetConstantInt16Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantUInt16Value:
{
if (underlyingType != typeof(ushort))
{
throw new BadImageFormatException();
}
ushort v = record.Value.ToConstantUInt16ValueHandle(reader).GetConstantUInt16Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantInt32Value:
{
if (underlyingType != typeof(int))
{
throw new BadImageFormatException();
}
int v = record.Value.ToConstantInt32ValueHandle(reader).GetConstantInt32Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantUInt32Value:
{
if (underlyingType != typeof(uint))
{
throw new BadImageFormatException();
}
uint v = record.Value.ToConstantUInt32ValueHandle(reader).GetConstantUInt32Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantInt64Value:
{
if (underlyingType != typeof(long))
{
throw new BadImageFormatException();
}
long v = record.Value.ToConstantInt64ValueHandle(reader).GetConstantInt64Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
case HandleType.ConstantUInt64Value:
{
if (underlyingType != typeof(ulong))
{
throw new BadImageFormatException();
}
ulong v = record.Value.ToConstantUInt64ValueHandle(reader).GetConstantUInt64Value(reader).Value;
value = RuntimeAugments.Box(enumType.TypeHandle, (IntPtr)(&v));
return(null);
}
default:
throw new BadImageFormatException();
}
}
}
