public OpenMethodResolver(RuntimeTypeHandle declaringTypeOfSlot, int slot, int handle)
{
_resolveType = DispatchResolve;
_declaringType = declaringTypeOfSlot.ToEETypePtr();
_methodHandleOrSlotOrCodePointer = new IntPtr(slot);
_handle = handle;
}
public unsafe OpenMethodResolver(RuntimeTypeHandle declaringTypeOfSlot, RuntimeMethodHandle gvmSlot, int handle)
{
_resolveType = GVMResolve;
_methodHandleOrSlotOrCodePointer = *(IntPtr*)&gvmSlot;
_declaringType = declaringTypeOfSlot.ToEETypePtr();
_handle = handle;
}
public OpenMethodResolver(RuntimeTypeHandle declaringType, IntPtr codePointer, int handle)
{
_resolveType = OpenNonVirtualResolve;
_methodHandleOrSlotOrCodePointer = codePointer;
_declaringType = declaringType.ToEETypePtr();
_handle = handle;
}
public NoMetadataType(TypeSystemContext context, RuntimeTypeHandle genericTypeDefinition, DefType genericTypeDefinitionAsDefType, Instantiation instantiation, int hashcode)
{
_hashcode = hashcode;
_context = context;
_genericTypeDefinition = genericTypeDefinition;
_genericTypeDefinitionAsDefType = genericTypeDefinitionAsDefType;
if (_genericTypeDefinitionAsDefType == null)
_genericTypeDefinitionAsDefType = this;
_instantiation = instantiation;
// Instantiation must either be:
// Something valid (if the type is generic, or a generic type definition)
// or Empty (if the type isn't a generic of any form)
unsafe
{
Debug.Assert(((_instantiation.Length > 0) && _genericTypeDefinition.ToEETypePtr()->IsGenericTypeDefinition) ||
((_instantiation.Length == 0) && !_genericTypeDefinition.ToEETypePtr()->IsGenericTypeDefinition));
}
}
// Various functions in static access need to create permanent pointers for use by thread static lookup.
#region GC/Non-GC Statics
/// <summary>
/// Get a pointer to the nongc static field data of a type. This function works for dynamic
/// types, reflectable types, and for all generic types
/// </summary>
public IntPtr TryGetNonGcStaticFieldDataDirect(RuntimeTypeHandle runtimeTypeHandle)
{
unsafe
{
EEType* typeAsEEType = runtimeTypeHandle.ToEETypePtr();
// Non-generic, non-dynamic types need special handling.
if (!typeAsEEType->IsDynamicType && !typeAsEEType->IsGeneric)
{
if (typeAsEEType->HasCctor)
{
// The non-gc area for a type is immediately following its cctor context if it has one
IntPtr dataAddress = TryGetStaticClassConstructionContext(runtimeTypeHandle);
if (dataAddress != IntPtr.Zero)
{
return (IntPtr)(((byte*)dataAddress.ToPointer()) + sizeof(System.Runtime.CompilerServices.StaticClassConstructionContext));
}
}
else
{
// If the type does not have a Cctor context, search for the field on the type in the field map which has the lowest offset,
// yet has the the correct type of storage.
IntPtr staticAddress;
if (TryGetStaticFieldBaseFromFieldAccessMap(runtimeTypeHandle, FieldAccessStaticDataKind.NonGC, out staticAddress))
{
return staticAddress;
}
}
}
}
IntPtr nonGcStaticsAddress;
IntPtr gcStaticsAddress;
if (TryGetStaticsInfoForNamedType(runtimeTypeHandle, out nonGcStaticsAddress, out gcStaticsAddress))
{
return nonGcStaticsAddress;
}
// The indirected helper function can be used to find all dynamic types not found via
// TryGetStaticsInfoForNamedType as well as generics
IntPtr ptrToStaticFieldData = TryGetNonGcStaticFieldData(runtimeTypeHandle);
if (ptrToStaticFieldData == IntPtr.Zero)
{
return IntPtr.Zero;
}
else
{
unsafe
{
return *(IntPtr*)ptrToStaticFieldData;
}
}
}
public bool Equals(RuntimeTypeHandle handle)
{
if (_value == handle._value)
{
return true;
}
else if (this.IsNull || handle.IsNull)
{
return false;
}
else
{
return RuntimeImports.AreTypesEquivalent(this.ToEETypePtr(), handle.ToEETypePtr());
}
}
private static unsafe IntPtr GVMLookupForSlotWorker(RuntimeTypeHandle type, RuntimeTypeHandle declaringType, RuntimeTypeHandle[] genericArguments, MethodNameAndSignature methodNameAndSignature)
{
bool slotChanged = false;
IntPtr resolution = IntPtr.Zero;
// Otherwise, walk parent hierarchy attempting to resolve
EETypePtr eetype = type.ToEETypePtr();
IntPtr functionPointer = IntPtr.Zero;
IntPtr genericDictionary = IntPtr.Zero;
while (!eetype.IsNull)
{
RuntimeTypeHandle handle = new RuntimeTypeHandle(eetype);
string methodName = methodNameAndSignature.Name;
RuntimeMethodSignature methodSignature = methodNameAndSignature.Signature;
if (RuntimeAugments.TypeLoaderCallbacks.TryGetGenericVirtualTargetForTypeAndSlot(handle, ref declaringType, genericArguments, ref methodName, ref methodSignature, out functionPointer, out genericDictionary, out slotChanged))
{
methodNameAndSignature = new MethodNameAndSignature(methodName, methodSignature);
if (!slotChanged)
resolution = FunctionPointerOps.GetGenericMethodFunctionPointer(functionPointer, genericDictionary);
break;
}
eetype = eetype.BaseType;
}
// If the current slot to examine has changed, restart the lookup.
// This happens when there is an interface call.
if (slotChanged)
{
return GVMLookupForSlotWorker(type, declaringType, genericArguments, methodNameAndSignature);
}
if (resolution == IntPtr.Zero)
{
Environment.FailFast("GVM resolution failure");
}
return resolution;
}
public bool Equals(RuntimeTypeHandle handle)
{
#if CORERT
return Object.ReferenceEquals(_type, handle._type);
#else
if (_value == handle._value)
{
return true;
}
else if (this.IsNull || handle.IsNull)
{
return false;
}
else
{
return RuntimeImports.AreTypesEquivalent(this.ToEETypePtr(), handle.ToEETypePtr());
}
#endif
}
public static object DynamicInvokeParamHelperCore(RuntimeTypeHandle type, out DynamicInvokeParamLookupType paramLookupType, out int index, DynamicInvokeParamType paramType)
{
index = s_curIndex++;
int parametersLength = s_parameters != null ? s_parameters.Length : 0;
if (index >= parametersLength)
{
throw new System.Reflection.TargetParameterCountException();
}
object incomingParam = s_parameters[index];
// Handle default parameters
if ((incomingParam == System.Reflection.Missing.Value) && paramType == DynamicInvokeParamType.In)
{
incomingParam = GetDefaultValue(type, index);
// The default value is captured into the parameters array
s_parameters[index] = incomingParam;
}
RuntimeTypeHandle widenAndCompareType = type;
bool nullable = RuntimeImports.RhIsNullable(type.ToEETypePtr());
if (nullable)
{
widenAndCompareType = new RuntimeTypeHandle(RuntimeImports.RhGetNullableType(type.ToEETypePtr()));
}
if (widenAndCompareType.ToEETypePtr().IsPrimitive || type.ToEETypePtr().IsEnum)
{
// Nullable requires exact matching
if (incomingParam != null)
{
if ((nullable || paramType == DynamicInvokeParamType.Ref) && incomingParam != null)
{
if (widenAndCompareType.ToEETypePtr() != incomingParam.EETypePtr)
{
throw CreateChangeTypeArgumentException(incomingParam.EETypePtr, type.ToEETypePtr());
}
}
else
{
if (widenAndCompareType.ToEETypePtr().CorElementType != incomingParam.EETypePtr.CorElementType)
{
System.Diagnostics.Debug.Assert(paramType == DynamicInvokeParamType.In);
incomingParam = InvokeUtils.CheckArgument(incomingParam, widenAndCompareType.ToEETypePtr(), InvokeUtils.CheckArgumentSemantics.DynamicInvoke);
}
}
}
return(DynamicInvokeBoxedValuetypeReturn(out paramLookupType, incomingParam, index, type, paramType));
}
else if (type.ToEETypePtr().IsValueType)
{
incomingParam = InvokeUtils.CheckArgument(incomingParam, type.ToEETypePtr(), InvokeUtils.CheckArgumentSemantics.DynamicInvoke);
System.Diagnostics.Debug.Assert(s_parameters[index] == null || Object.ReferenceEquals(incomingParam, s_parameters[index]));
return(DynamicInvokeBoxedValuetypeReturn(out paramLookupType, incomingParam, index, type, paramType));
}
else
{
incomingParam = InvokeUtils.CheckArgument(incomingParam, widenAndCompareType.ToEETypePtr(), InvokeUtils.CheckArgumentSemantics.DynamicInvoke);
System.Diagnostics.Debug.Assert(Object.ReferenceEquals(incomingParam, s_parameters[index]));
paramLookupType = DynamicInvokeParamLookupType.IndexIntoObjectArrayReturned;
return(s_parameters);
}
}
//
// Various reflection scenarios (Array.SetValue(), reflection Invoke, delegate DynamicInvoke and FieldInfo.Set()) perform
// automatic conveniences such as automatically widening primitive types to fit the destination type.
//
// This method attempts to collect as much of that logic as possible in place. (This may not be completely possible
// as the desktop CLR is not particularly consistent across all these scenarios either.)
//
// The transforms supported are:
//
// Value-preserving widenings of primitive integrals and floats.
// Enums can be converted to the same or wider underlying primitive.
// Primitives can be converted to an enum with the same or wider underlying primitive.
//
// null converted to default(T) (this is important when T is a valuetype.)
//
// There is also another transform of T -> Nullable<T>. This method acknowledges that rule but does not actually transform the T.
// Rather, the transformation happens naturally when the caller unboxes the value to its final destination.
//
// This method is targeted by the Delegate ILTransformer.
//
//
public static object?CheckArgument(object?srcObject, RuntimeTypeHandle dstType, BinderBundle?binderBundle)
{
EETypePtr dstEEType = dstType.ToEETypePtr();
return(CheckArgument(srcObject, dstEEType, CheckArgumentSemantics.DynamicInvoke, binderBundle, ref Unsafe.NullRef <ArgSetupState>()));
}
//
// Various reflection scenarios (Array.SetValue(), reflection Invoke, delegate DynamicInvoke and FieldInfo.Set()) perform
// automatic conveniences such as automatically widening primitive types to fit the destination type.
//
// This method attempts to collect as much of that logic as possible in place. (This may not be completely possible
// as the desktop CLR is not particularly consistent across all these scenarios either.)
//
// The transforms supported are:
//
// Value-preserving widenings of primitive integrals and floats.
// Enums can be converted to the same or wider underlying primitive.
// Primitives can be converted to an enum with the same or wider underlying primitive.
//
// null converted to default(T) (this is important when T is a valuetype.)
//
// There is also another transform of T -> Nullable<T>. This method acknowleges that rule but does not actually transform the T.
// Rather, the transformation happens naturally when the caller unboxes the value to its final destination.
//
// This method is targeted by the Delegate ILTransformer.
//
//
public static Object CheckArgument(Object srcObject, RuntimeTypeHandle dstType)
{
EETypePtr dstEEType = dstType.ToEETypePtr();
return(CheckArgument(srcObject, dstEEType, CheckArgumentSemantics.DynamicInvoke));
}
internal static object DynamicInvokeParamHelperCore(RuntimeTypeHandle type, out DynamicInvokeParamLookupType paramLookupType, out int index, DynamicInvokeParamType paramType)
{
index = s_curIndex++;
int parametersLength = s_parameters != null ? s_parameters.Length : 0;
if (index >= parametersLength)
throw new System.Reflection.TargetParameterCountException();
object incomingParam = s_parameters[index];
// Handle default parameters
if ((incomingParam == System.Reflection.Missing.Value) && paramType == DynamicInvokeParamType.In)
{
incomingParam = GetDefaultValue(type, index);
// The default value is captured into the parameters array
s_parameters[index] = incomingParam;
}
RuntimeTypeHandle widenAndCompareType = type;
bool nullable = RuntimeImports.RhIsNullable(type.ToEETypePtr());
if (nullable)
{
widenAndCompareType = new RuntimeTypeHandle(RuntimeImports.RhGetNullableType(type.ToEETypePtr()));
}
if (widenAndCompareType.ToEETypePtr().IsPrimitive || type.ToEETypePtr().IsEnum)
{
// Nullable requires exact matching
if (incomingParam != null)
{
if ((nullable || paramType == DynamicInvokeParamType.Ref) && incomingParam != null)
{
if (widenAndCompareType.ToEETypePtr() != incomingParam.EETypePtr)
{
throw CreateChangeTypeArgumentException(incomingParam.EETypePtr, type.ToEETypePtr());
}
}
else
{
if (widenAndCompareType.ToEETypePtr().CorElementType != incomingParam.EETypePtr.CorElementType)
{
System.Diagnostics.Debug.Assert(paramType == DynamicInvokeParamType.In);
incomingParam = InvokeUtils.CheckArgument(incomingParam, widenAndCompareType.ToEETypePtr(), InvokeUtils.CheckArgumentSemantics.DynamicInvoke);
}
}
}
return DynamicInvokeBoxedValuetypeReturn(out paramLookupType, incomingParam, index, type, paramType);
}
else if (type.ToEETypePtr().IsValueType)
{
incomingParam = InvokeUtils.CheckArgument(incomingParam, type.ToEETypePtr(), InvokeUtils.CheckArgumentSemantics.DynamicInvoke);
System.Diagnostics.Debug.Assert(s_parameters[index] == null || Object.ReferenceEquals(incomingParam, s_parameters[index]));
return DynamicInvokeBoxedValuetypeReturn(out paramLookupType, incomingParam, index, type, paramType);
}
else
{
incomingParam = InvokeUtils.CheckArgument(incomingParam, widenAndCompareType.ToEETypePtr(), InvokeUtils.CheckArgumentSemantics.DynamicInvoke);
System.Diagnostics.Debug.Assert(Object.ReferenceEquals(incomingParam, s_parameters[index]));
paramLookupType = DynamicInvokeParamLookupType.IndexIntoObjectArrayReturned;
return s_parameters;
}
}
public static unsafe void SetGenericDefinition(this RuntimeTypeHandle rtth, RuntimeTypeHandle genericDefinitionHandle)
{
rtth.ToEETypePtr()->GenericDefinition = genericDefinitionHandle.ToEETypePtr();
}
/// <summary>
/// Get a pointer to the gc static field data of a type. This function works for dynamic
/// types, reflectable types, and for all generic types
/// </summary>
public IntPtr TryGetGcStaticFieldDataDirect(RuntimeTypeHandle runtimeTypeHandle)
{
unsafe
{
// Non-generic, non-dynamic static data is found via the FieldAccessMap
EEType* typeAsEEType = runtimeTypeHandle.ToEETypePtr();
// Non-generic, non-dynamic types need special handling.
if (!typeAsEEType->IsDynamicType && !typeAsEEType->IsGeneric)
{
//search for the field on the type in the field map which has the lowest offset,
// yet has the the correct type of storage.
IntPtr staticAddress;
if (TryGetStaticFieldBaseFromFieldAccessMap(runtimeTypeHandle, FieldAccessStaticDataKind.GC, out staticAddress))
{
return staticAddress;
}
else
{
return IntPtr.Zero;
}
}
}
IntPtr nonGcStaticsAddress;
IntPtr gcStaticsAddress;
if (TryGetStaticsInfoForNamedType(runtimeTypeHandle, out nonGcStaticsAddress, out gcStaticsAddress))
{
return gcStaticsAddress;
}
// The indirected helper function can be used to find all dynamic types not found via
// TryGetStaticsInfoForNamedType as well as generics
IntPtr ptrToStaticFieldData = TryGetGcStaticFieldData(runtimeTypeHandle);
if (ptrToStaticFieldData == IntPtr.Zero)
{
return IntPtr.Zero;
}
else
{
unsafe
{
return *(IntPtr*)ptrToStaticFieldData;
}
}
}
public static unsafe void SetBaseType(this RuntimeTypeHandle rtth, RuntimeTypeHandle baseTypeHandle)
{
rtth.ToEETypePtr()->BaseType = baseTypeHandle.ToEETypePtr();
}
private static unsafe object GetDefaultValue(RuntimeTypeHandle thType, int argIndex)
{
// Group index of 0 indicates there are no default parameters
if (s_defaultValueString == null)
{
throw new ArgumentException(SR.Arg_DefaultValueMissingException);
}
StringDataParser dataParser = new StringDataParser(s_defaultValueString);
// Skip to current argument
int curArgIndex = 0;
while (curArgIndex != argIndex)
{
int skip = dataParser.GetInt();
dataParser.Skip(skip);
curArgIndex++;
}
// Discard size of current argument
int sizeOfCurrentArg = dataParser.GetInt();
int defaultValueType = dataParser.GetInt();
switch (defaultValueType)
{
case DefaultParamTypeNone:
default:
throw new ArgumentException(SR.Arg_DefaultValueMissingException);
case DefaultParamTypeString:
return(dataParser.GetString());
case DefaultParamTypeDefault:
if (thType.ToEETypePtr().IsValueType)
{
if (RuntimeImports.RhIsNullable(thType.ToEETypePtr()))
{
return(null);
}
else
{
return(RuntimeImports.RhNewObject(thType.ToEETypePtr()));
}
}
else
{
return(null);
}
case DefaultParamTypeBool:
return(dataParser.GetInt() == 1);
case DefaultParamTypeChar:
return((char)dataParser.GetInt());
case DefaultParamTypeI1:
return((sbyte)dataParser.GetInt());
case DefaultParamTypeI2:
return((short)dataParser.GetInt());
case DefaultParamTypeI4:
return(dataParser.GetInt());
case DefaultParamTypeI8:
return(dataParser.GetLong());
case DefaultParamTypeR4:
return(dataParser.GetFloat());
case DefaultParamTypeR8:
return(dataParser.GetDouble());
case DefaultParamTypeDecimal:
int[] decimalBits = new int[4];
decimalBits[0] = dataParser.GetInt();
decimalBits[1] = dataParser.GetInt();
decimalBits[2] = dataParser.GetInt();
decimalBits[3] = dataParser.GetInt();
return(new Decimal(decimalBits));
case DefaultParamTypeDateTime:
return(new DateTime(dataParser.GetLong()));
case DefaultParamTypeNoneButOptional:
return(System.Reflection.Missing.Value);
}
}
//
// Various reflection scenarios (Array.SetValue(), reflection Invoke, delegate DynamicInvoke and FieldInfo.Set()) perform
// automatic conveniences such as automatically widening primitive types to fit the destination type.
//
// This method attempts to collect as much of that logic as possible in place. (This may not be completely possible
// as the desktop CLR is not particularly consistent across all these scenarios either.)
//
// The transforms supported are:
//
// Value-preserving widenings of primitive integrals and floats.
// Enums can be converted to the same or wider underlying primitive.
// Primitives can be converted to an enum with the same or wider underlying primitive.
//
// null converted to default(T) (this is important when T is a valuetype.)
//
// There is also another transform of T -> Nullable<T>. This method acknowleges that rule but does not actually transform the T.
// Rather, the transformation happens naturally when the caller unboxes the value to its final destination.
//
// This method is targeted by the Delegate ILTransformer.
//
//
public static Object CheckArgument(Object srcObject, RuntimeTypeHandle dstType, BinderBundle binderBundle)
{
EETypePtr dstEEType = dstType.ToEETypePtr();
return(CheckArgument(srcObject, dstEEType, CheckArgumentSemantics.DynamicInvoke, binderBundle, getExactTypeForCustomBinder: null));
}
public static unsafe void SetNullableType(this RuntimeTypeHandle rtth, RuntimeTypeHandle T_typeHandle)
{
rtth.ToEETypePtr()->NullableType = T_typeHandle.ToEETypePtr();
}
/// <summary>
/// Retrieves the default value for a parameter of the delegate.
/// </summary>
/// <param name="thType">The type of the parameter to retrieve.</param>
/// <param name="argIndex">The index of the parameter on the method to retrieve.</param>
/// <param name="defaultValue">The default value of the parameter if available.</param>
/// <returns>true if the default parameter value is available, otherwise false.</returns>
internal bool TryGetDefaultParameterValue(RuntimeTypeHandle thType, int argIndex, out object defaultValue)
{
defaultValue = null;
// The LoadDefaultValueString() has the following contract
// If it returns false, the delegate invoke does not have default values.
// If it returns true, then the s_DefaultValueString variable is set to
// describe the default values for this invoke.
string defaultValueString = null;
if (LoadDefaultValueString())
{
defaultValueString = s_DefaultValueString;
}
// Group index of 0 indicates there are no default parameters
if (defaultValueString == null)
{
return false;
}
StringDataParser dataParser = new StringDataParser(defaultValueString);
// Skip to current argument
int curArgIndex = 0;
while (curArgIndex != argIndex)
{
int skip = dataParser.GetInt();
dataParser.Skip(skip);
curArgIndex++;
}
// Discard size of current argument
int sizeOfCurrentArg = dataParser.GetInt();
int defaultValueType = dataParser.GetInt();
switch (defaultValueType)
{
case DefaultParamTypeNone:
default:
return false;
case DefaultParamTypeString:
defaultValue = dataParser.GetString();
return true;
case DefaultParamTypeDefault:
if (thType.ToEETypePtr().IsValueType)
{
if (thType.ToEETypePtr().IsNullable)
{
defaultValue = null;
return true;
}
else
{
defaultValue = RuntimeImports.RhNewObject(thType.ToEETypePtr());
return true;
}
}
else
{
defaultValue = null;
return true;
}
case DefaultParamTypeBool:
defaultValue = (dataParser.GetInt() == 1);
return true;
case DefaultParamTypeChar:
defaultValue = (char)dataParser.GetInt();
return true;
case DefaultParamTypeI1:
defaultValue = (sbyte)dataParser.GetInt();
return true;
case DefaultParamTypeUI1:
defaultValue = (byte)dataParser.GetInt();
return true;
case DefaultParamTypeI2:
defaultValue = (short)dataParser.GetInt();
return true;
case DefaultParamTypeUI2:
defaultValue = (ushort)dataParser.GetInt();
return true;
case DefaultParamTypeI4:
defaultValue = dataParser.GetInt();
return true;
case DefaultParamTypeUI4:
defaultValue = checked((uint)dataParser.GetLong());
return true;
case DefaultParamTypeI8:
defaultValue = dataParser.GetLong();
return true;
case DefaultParamTypeUI8:
defaultValue = (ulong)dataParser.GetLong();
return true;
case DefaultParamTypeR4:
defaultValue = dataParser.GetFloat();
return true;
case DefaultParamTypeR8:
defaultValue = dataParser.GetDouble();
return true;
case DefaultParamTypeDecimal:
int[] decimalBits = new int[4];
decimalBits[0] = dataParser.GetInt();
decimalBits[1] = dataParser.GetInt();
decimalBits[2] = dataParser.GetInt();
decimalBits[3] = dataParser.GetInt();
defaultValue = new Decimal(decimalBits);
return true;
case DefaultParamTypeDateTime:
defaultValue = new DateTime(dataParser.GetLong());
return true;
case DefaultParamTypeNoneButOptional:
defaultValue = System.Reflection.Missing.Value;
return true;
}
}
/// <summary>
/// Get a pointer to a pointer to the nongc static field data of a type. This function works for all generic types
/// </summary>
public IntPtr TryGetNonGcStaticFieldData(RuntimeTypeHandle runtimeTypeHandle)
{
unsafe
{
// Non-generic, non-dynamic static data is found via the FieldAccessMap
EEType* typeAsEEType = runtimeTypeHandle.ToEETypePtr();
// Non-generic, non-dynamic types need special handling.
Debug.Assert(typeAsEEType->IsDynamicType || typeAsEEType->IsGeneric);
}
// Search hashtable for static entry
ExternalReferencesTable staticInfoLookup;
var parser = GetStaticInfo(runtimeTypeHandle, out staticInfoLookup);
if (!parser.IsNull)
{
var index = parser.GetUnsignedForBagElementKind(BagElementKind.NonGcStaticData);
return index.HasValue ? staticInfoLookup.GetIntPtrFromIndex(index.Value) : IntPtr.Zero;
}
// Not found in hashtable... must be a dynamically created type
Debug.Assert(runtimeTypeHandle.IsDynamicType());
return RuntimeAugments.GetNonGcStaticFieldData(runtimeTypeHandle);
}
public TypeHandle(bool isByRef, RuntimeTypeHandle eeType)
{
_eeType = eeType.ToEETypePtr();
_isByRef = isByRef;
}
public unsafe static bool IsPregeneratedOrTemplateRuntimeTypeHandle(RuntimeTypeHandle rtth)
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
if (!rtth.IsDynamicType())
return true;
if (rtth.ToEETypePtr()->DynamicModule == null)
return true;
return rtth.ToEETypePtr()->DynamicModule->DynamicTypeSlotDispatchResolve == IntPtr.Zero;
#else
return true;
#endif
}
//
// Various reflection scenarios (Array.SetValue(), reflection Invoke, delegate DynamicInvoke and FieldInfo.Set()) perform
// automatic conveniences such as automatically widening primitive types to fit the destination type.
//
// This method attempts to collect as much of that logic as possible in place. (This may not be completely possible
// as the desktop CLR is not particularly consistent across all these scenarios either.)
//
// The transforms supported are:
//
// Value-preserving widenings of primitive integrals and floats.
// Enums can be converted to the same or wider underlying primitive.
// Primitives can be converted to an enum with the same or wider underlying primitive.
//
// null converted to default(T) (this is important when T is a valuetype.)
//
// There is also another transform of T -> Nullable<T>. This method acknowleges that rule but does not actually transform the T.
// Rather, the transformation happens naturally when the caller unboxes the value to its final destination.
//
// This method is targeted by the Delegate ILTransformer.
//
//
public static Object CheckArgument(Object srcObject, RuntimeTypeHandle dstType)
{
EETypePtr dstEEType = dstType.ToEETypePtr();
return CheckArgument(srcObject, dstEEType, CheckArgumentSemantics.DynamicInvoke);
}
public static unsafe void SetInterface(this RuntimeTypeHandle rtth, int interfaceIndex, RuntimeTypeHandle interfaceType)
{
rtth.ToEETypePtr()->InterfaceMap[interfaceIndex].InterfaceType = interfaceType.ToEETypePtr();
}
internal static object DynamicInvokeBoxedValuetypeReturn(out DynamicInvokeParamLookupType paramLookupType, object boxedValuetype, int index, RuntimeTypeHandle type, DynamicInvokeParamType paramType)
{
object finalObjectToReturn = boxedValuetype;
EETypePtr eeType = type.ToEETypePtr();
bool nullable = RuntimeImports.RhIsNullable(eeType);
if (finalObjectToReturn == null || nullable || paramType == DynamicInvokeParamType.Ref)
{
finalObjectToReturn = RuntimeImports.RhNewObject(eeType);
if (boxedValuetype != null)
{
DynamicInvokeUnboxIntoActualNullable(finalObjectToReturn, boxedValuetype, eeType);
}
}
if (nullable)
{
if (paramType == DynamicInvokeParamType.Ref)
{
if (s_nullableCopyBackObjects == null)
{
s_nullableCopyBackObjects = new object[s_parameters.Length];
}
s_nullableCopyBackObjects[index] = finalObjectToReturn;
s_parameters[index] = null;
}
}
else
{
System.Diagnostics.Debug.Assert(finalObjectToReturn != null);
if (paramType == DynamicInvokeParamType.Ref)
s_parameters[index] = finalObjectToReturn;
}
paramLookupType = DynamicInvokeParamLookupType.ValuetypeObjectReturned;
return finalObjectToReturn;
}
public static unsafe void SetGenericArgument(this RuntimeTypeHandle rtth, int argumentIndex, RuntimeTypeHandle argumentType)
{
rtth.ToEETypePtr()->GenericArguments[argumentIndex].Value = argumentType.ToEETypePtr();
}
public unsafe static void GetFieldAlignmentAndSize(RuntimeTypeHandle fieldType, out int alignment, out int size)
{
EEType* typePtr = fieldType.ToEETypePtr();
if (typePtr->IsValueType)
{
size = (int)typePtr->ValueTypeSize;
}
else
{
size = IntPtr.Size;
}
alignment = (int)typePtr->FieldAlignmentRequirement;
}
public static unsafe void SetRelatedParameterType(this RuntimeTypeHandle rtth, RuntimeTypeHandle relatedTypeHandle)
{
rtth.ToEETypePtr()->RelatedParameterType = relatedTypeHandle.ToEETypePtr();
}
private static unsafe object GetDefaultValue(RuntimeTypeHandle thType, int argIndex)
{
// Group index of 0 indicates there are no default parameters
if (s_defaultValueString == null)
{
throw new ArgumentException(SR.Arg_DefaultValueMissingException);
}
StringDataParser dataParser = new StringDataParser(s_defaultValueString);
// Skip to current argument
int curArgIndex = 0;
while (curArgIndex != argIndex)
{
int skip = dataParser.GetInt();
dataParser.Skip(skip);
curArgIndex++;
}
// Discard size of current argument
int sizeOfCurrentArg = dataParser.GetInt();
int defaultValueType = dataParser.GetInt();
switch (defaultValueType)
{
case DefaultParamTypeNone:
default:
throw new ArgumentException(SR.Arg_DefaultValueMissingException);
case DefaultParamTypeString:
return dataParser.GetString();
case DefaultParamTypeDefault:
if (thType.ToEETypePtr().IsValueType)
{
if (RuntimeImports.RhIsNullable(thType.ToEETypePtr()))
{
return null;
}
else
{
return RuntimeImports.RhNewObject(thType.ToEETypePtr());
}
}
else
{
return null;
}
case DefaultParamTypeBool:
return (dataParser.GetInt() == 1);
case DefaultParamTypeChar:
return (char)dataParser.GetInt();
case DefaultParamTypeI1:
return (sbyte)dataParser.GetInt();
case DefaultParamTypeI2:
return (short)dataParser.GetInt();
case DefaultParamTypeI4:
return dataParser.GetInt();
case DefaultParamTypeI8:
return dataParser.GetLong();
case DefaultParamTypeR4:
return dataParser.GetFloat();
case DefaultParamTypeR8:
return dataParser.GetDouble();
case DefaultParamTypeDecimal:
int[] decimalBits = new int[4];
decimalBits[0] = dataParser.GetInt();
decimalBits[1] = dataParser.GetInt();
decimalBits[2] = dataParser.GetInt();
decimalBits[3] = dataParser.GetInt();
return new Decimal(decimalBits);
case DefaultParamTypeDateTime:
return new DateTime(dataParser.GetLong());
}
}
public static RuntimeTypeHandle CreatePointerEEType(UInt32 hashCodeOfNewType, RuntimeTypeHandle pointeeTypeHandle, TypeDesc pointerType)
{
TypeBuilderState state = new TypeBuilderState(pointerType);
CreateEETypeWorker(typeof(void*).TypeHandle.ToEETypePtr(), hashCodeOfNewType, 0, false, state);
Debug.Assert(!state.HalfBakedRuntimeTypeHandle.IsNull());
state.HalfBakedRuntimeTypeHandle.ToEETypePtr()->RelatedParameterType = pointeeTypeHandle.ToEETypePtr();
return state.HalfBakedRuntimeTypeHandle;
}
public static Type GetTypeFromHandle(RuntimeTypeHandle handle) => handle.IsNull ? null : GetTypeFromEETypePtr(handle.ToEETypePtr());
