public static void RuntimeTypeHandleTest()
{
RuntimeTypeHandle h = typeof(int).TypeHandle;
Assert.NotEqual(h, typeof(uint).TypeHandle);
Assert.True(h.Value != IntPtr.Zero);
Assert.Equal(h.GetHashCode(), h.GetHashCode());
Assert.Equal(default(RuntimeTypeHandle).GetHashCode(), default(RuntimeTypeHandle).GetHashCode());
Assert.True(h.Equals(h));
Assert.False(h.Equals(default(RuntimeTypeHandle)));
Assert.False(default(RuntimeTypeHandle).Equals(h));
Assert.True(default(RuntimeTypeHandle).Equals(default(RuntimeTypeHandle)));
Assert.True(h.Equals((object)h));
Assert.False(h.Equals(typeof(int)));
Assert.False(h.Equals(new object()));
Assert.False(h.Equals(null));
Assert.False(h == null);
Assert.False(null == h);
Assert.True(h != null);
Assert.True(null != h);
}
public static void RuntimeTypeHandleTest()
{
RuntimeTypeHandle h = typeof(int).TypeHandle;
Assert.NotEqual(h, typeof(uint).TypeHandle);
Assert.True(h.Value != IntPtr.Zero);
Assert.Equal(h.GetHashCode(), h.GetHashCode());
Assert.Equal(default(RuntimeTypeHandle).GetHashCode(), default(RuntimeTypeHandle).GetHashCode());
Assert.True(h.Equals(h));
Assert.False(h.Equals(default(RuntimeTypeHandle)));
Assert.False(default(RuntimeTypeHandle).Equals(h));
Assert.True(default(RuntimeTypeHandle).Equals(default(RuntimeTypeHandle)));
Assert.True(h.Equals((object)h));
Assert.True(((IEquatable <RuntimeTypeHandle>)h).Equals(h));
Assert.False(h.Equals(typeof(int)));
Assert.False(h.Equals(new object()));
Assert.False(h.Equals(null));
Assert.False(h == null);
Assert.False(null == h);
Assert.True(h != null);
Assert.True(null != h);
IntPtr hPtr = RuntimeTypeHandle.ToIntPtr(h);
RuntimeTypeHandle hNew = RuntimeTypeHandle.FromIntPtr(hPtr);
Assert.True(h.Equals(hNew));
Assert.True(hNew.Equals(h));
}
internal virtual void InternalSerialize(XmlWriterDelegator xmlWriter, object obj, bool isDeclaredType, bool writeXsiType, int declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
#endif
{
if (writeXsiType)
{
Type declaredType = Globals.TypeOfObject;
SerializeWithXsiType(xmlWriter, obj, obj.GetType().TypeHandle, null /*type*/, -1, declaredType.TypeHandle, declaredType);
}
else if (isDeclaredType)
{
DataContract contract = GetDataContract(declaredTypeID, declaredTypeHandle);
SerializeWithoutXsiType(contract, xmlWriter, obj, declaredTypeHandle);
}
else
{
RuntimeTypeHandle objTypeHandle = obj.GetType().TypeHandle;
if (declaredTypeHandle.GetHashCode() == objTypeHandle.GetHashCode()) // semantically the same as Value == Value; Value is not available in SL
{
DataContract dataContract = (declaredTypeID >= 0)
? GetDataContract(declaredTypeID, declaredTypeHandle)
: GetDataContract(declaredTypeHandle, null /*type*/);
SerializeWithoutXsiType(dataContract, xmlWriter, obj, declaredTypeHandle);
}
else
{
SerializeWithXsiType(xmlWriter, obj, objTypeHandle, null /*type*/, declaredTypeID, declaredTypeHandle, Type.GetTypeFromHandle(declaredTypeHandle));
}
}
}
/// <summary>
/// Setter for RuntimeTypeHandle. Seperate from normal property as all uses should be done with great care.
/// Must not be set with partially constructed type handles
/// </summary>
public void SetRuntimeTypeHandleUnsafe(RuntimeTypeHandle runtimeTypeHandle)
{
Debug.Assert(!runtimeTypeHandle.IsNull());
Debug.Assert(_runtimeTypeHandle.IsNull() || runtimeTypeHandle.Equals(_runtimeTypeHandle));
Debug.Assert(runtimeTypeHandle.GetHashCode() == GetHashCode());
_runtimeTypeHandle = runtimeTypeHandle;
}
private unsafe bool TryGetStructData(RuntimeTypeHandle structTypeHandle, out ExternalReferencesTable externalReferences, out NativeParser entryParser)
{
int structHashcode = structTypeHandle.GetHashCode();
externalReferences = default(ExternalReferencesTable);
entryParser = default(NativeParser);
foreach (NativeFormatModuleInfo module in ModuleList.EnumerateModules())
{
NativeReader structMapReader;
if (TryGetNativeReaderForBlob(module, ReflectionMapBlob.StructMarshallingStubMap, out structMapReader))
{
NativeParser structMapParser = new NativeParser(structMapReader, 0);
NativeHashtable structHashtable = new NativeHashtable(structMapParser);
externalReferences.InitializeCommonFixupsTable(module);
var lookup = structHashtable.Lookup(structHashcode);
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle foundStructType = externalReferences.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (foundStructType.Equals(structTypeHandle))
{
return(true);
}
}
}
}
return(false);
}
public bool TryLookupExactMethodPointerForComponents(RuntimeTypeHandle declaringType, MethodNameAndSignature nameAndSignature, RuntimeTypeHandle[] genericMethodArgumentHandles, out IntPtr result)
{
int lookupHashcode = declaringType.GetHashCode();
NativeHashtable hashtable;
ExternalReferencesTable externalReferencesLookup;
HandleBasedGenericMethodLookup lookupData = new HandleBasedGenericMethodLookup(declaringType, nameAndSignature, genericMethodArgumentHandles);
foreach (NativeFormatModuleInfo module in ModuleList.EnumerateModules())
{
if (!GetHashtableFromBlob(module, ReflectionMapBlob.ExactMethodInstantiationsHashtable, out hashtable, out externalReferencesLookup))
{
continue;
}
var enumerator = hashtable.Lookup(lookupHashcode);
NativeParser entryParser;
while (!(entryParser = enumerator.GetNext()).IsNull)
{
if (!lookupData.MatchParsedEntry(ref entryParser, ref externalReferencesLookup, module.Handle))
{
continue;
}
// We found a match
result = externalReferencesLookup.GetIntPtrFromIndex(entryParser.GetUnsigned());
return(true);
}
}
result = IntPtr.Zero;
return(false);
}
public unsafe IntPtr TryGetMarshallerForDelegate(RuntimeTypeHandle delegateTypeHandle)
{
int delegateHashcode = delegateTypeHandle.GetHashCode();
foreach (NativeFormatModuleInfo module in ModuleList.EnumerateModules())
{
NativeReader delegateMapReader;
if (TryGetNativeReaderForBlob(module, ReflectionMapBlob.DelegateMarshallingStubMap, out delegateMapReader))
{
NativeParser delegateMapParser = new NativeParser(delegateMapReader, 0);
NativeHashtable delegateHashtable = new NativeHashtable(delegateMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(module);
var lookup = delegateHashtable.Lookup(delegateHashcode);
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle foundDelegateType = externalReferences.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (foundDelegateType.Equals(delegateTypeHandle))
{
byte *pByte = (byte *)externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
return((IntPtr)pByte);
}
}
}
}
return(IntPtr.Zero);
}
private NativeParser GetStaticInfo(RuntimeTypeHandle instantiatedType, out ExternalReferencesTable staticsInfoLookup)
{
TypeManagerHandle moduleHandle = RuntimeAugments.GetModuleFromTypeHandle(instantiatedType);
NativeFormatModuleInfo module = ModuleList.Instance.GetModuleInfoByHandle(moduleHandle);
NativeHashtable staticsInfoHashtable;
ExternalReferencesTable externalReferencesLookup;
if (!GetStaticsInfoHashtable(module, out staticsInfoHashtable, out externalReferencesLookup, out staticsInfoLookup))
{
return(new NativeParser());
}
int lookupHashcode = instantiatedType.GetHashCode();
var enumerator = staticsInfoHashtable.Lookup(lookupHashcode);
NativeParser entryParser;
while (!(entryParser = enumerator.GetNext()).IsNull)
{
RuntimeTypeHandle parsedInstantiatedType = externalReferencesLookup.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (!parsedInstantiatedType.Equals(instantiatedType))
{
continue;
}
return(entryParser);
}
return(new NativeParser());
}
public override int GetHashCode()
{
if (!_hashCode.HasValue)
{
_hashCode = _declaringTypeHandle.GetHashCode() ^ TypeHashingAlgorithms.ComputeGenericInstanceHashCode(TypeHashingAlgorithms.ComputeNameHashCode(_methodNameAndSignature.Name), _genericMethodArgumentHandles);
}
return(_hashCode.Value);
}
public override int GetHashCode()
{
if (!_hashCode.HasValue)
{
_hashCode = TypeHashingAlgorithms.ComputeGenericInstanceHashCode(_genericTypeDefinitionHandle.GetHashCode(), _genericTypeArgumentHandles);
}
return(_hashCode.Value);
}
public RuntimeMethodHandleKey(RuntimeTypeHandle declaringType, string methodName, RuntimeSignature signature, RuntimeTypeHandle[] genericArgs)
{
Debug.Assert(genericArgs != null);
_declaringType = declaringType;
_methodName = methodName;
_signature = signature;
_genericArgs = genericArgs;
int methodNameHashCode = methodName == null ? 0 : methodName.GetHashCode();
_hashcode = TypeHashingAlgorithms.ComputeGenericInstanceHashCode(declaringType.GetHashCode(), genericArgs) ^ methodNameHashCode ^ signature.GetHashCode();
}
public unsafe static IntPtr TryGetStaticClassConstructionContext(RuntimeTypeHandle typeHandle)
{
if (RuntimeAugments.HasCctor(typeHandle))
{
if (RuntimeAugments.IsDynamicType(typeHandle))
{
// For dynamic types, its always possible to get the non-gc static data section directly.
byte *ptr = (byte *)*(IntPtr *)RuntimeAugments.GetNonGcStaticFieldData(typeHandle);
// what we have now is the base address of the non-gc statics of the type
// what we need is the cctor context, which is just before that
ptr = ptr - sizeof(System.Runtime.CompilerServices.StaticClassConstructionContext);
return((IntPtr)ptr);
}
else
{
// Non-dynamic types do not provide a way to directly get at the non-gc static region.
// Use the CctorContextMap instead.
var moduleHandle = RuntimeAugments.GetModuleFromTypeHandle(typeHandle);
Debug.Assert(moduleHandle != IntPtr.Zero);
NativeReader typeMapReader;
if (TryGetNativeReaderForBlob(moduleHandle, ReflectionMapBlob.CCtorContextMap, out typeMapReader))
{
NativeParser typeMapParser = new NativeParser(typeMapReader, 0);
NativeHashtable typeHashtable = new NativeHashtable(typeMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(moduleHandle);
var lookup = typeHashtable.Lookup(typeHandle.GetHashCode());
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle foundType = externalReferences.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (foundType.Equals(typeHandle))
{
byte *pNonGcStaticBase = (byte *)externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
// cctor context is located before the non-GC static base
return((IntPtr)(pNonGcStaticBase - sizeof(System.Runtime.CompilerServices.StaticClassConstructionContext)));
}
}
}
}
}
return(IntPtr.Zero);
}
private bool VerifyHashCode(Object o)
{
bool retVal = true;
RuntimeTypeHandle handle = o.GetType().TypeHandle;
int value1 = handle.GetHashCode();
int value2 = handle.GetHashCode();
m_ErrorNo++;
if (value1 == 0)
{
TestLibrary.TestFramework.LogError(m_ErrorNo.ToString(), "RuntimeTypeHandle.GetHashCode returns 0");
retVal = false;
}
m_ErrorNo++;
if (value1 != value2)
{
TestLibrary.TestFramework.LogError(m_ErrorNo.ToString(), "Call RuntimeTypeHandle.GetHashCode twice returns wrong hash code");
retVal = false;
}
return(retVal);
}
internal RuntimeTypeHandleMap(int size, Func <int, RuntimeTypeHandle> getHandle) : base(size)
{
m_getHandle = getHandle;
for (int i = 0; i < size; i++)
{
RuntimeTypeHandle handle = getHandle(i);
if (!handle.Equals(McgModule.s_DependencyReductionTypeRemovedTypeHandle))
{
Add(handle.GetHashCode(), i);
}
}
}
internal int Lookup(RuntimeTypeHandle handle)
{
for (int slot = GetFirst(handle.GetHashCode()); slot >= 0; slot = GetNext(slot))
{
int index = GetIndex(slot);
if (handle.Equals(m_getHandle(index)))
{
return(index);
}
}
return(-1);
}
public override int GetHashCode()
{
unchecked
{
int hash = Type.GetHashCode();
if (AdditionalImplementedTypes != null)
{
foreach (var h in AdditionalImplementedTypes)
{
hash = 37 * hash + h.GetHashCode();
}
}
return(hash);
}
}
private bool VerifyHashCode(Object o1, Object o2, bool desiredValue)
{
bool retVal = true;
RuntimeTypeHandle handle1 = o1.GetType().TypeHandle;
RuntimeTypeHandle handle2 = o2.GetType().TypeHandle;
int value1 = handle1.GetHashCode();
int value2 = handle2.GetHashCode();
bool actualValue = value1 == value2;
m_ErrorNo++;
if (actualValue != desiredValue)
{
TestLibrary.TestFramework.LogError(m_ErrorNo.ToString(), "Compare the hash code for handle1 with handle2 returns ACTUAL: " + actualValue.ToString() + ", DESIRED: " + desiredValue.ToString());
retVal = false;
}
return(retVal);
}
private unsafe bool TryGetMarshallersForDelegate(RuntimeTypeHandle delegateTypeHandle, out IntPtr openStub, out IntPtr closedStub, out IntPtr delegateCreationStub)
{
int delegateHashcode = delegateTypeHandle.GetHashCode();
openStub = IntPtr.Zero;
closedStub = IntPtr.Zero;
delegateCreationStub = IntPtr.Zero;
foreach (NativeFormatModuleInfo module in ModuleList.EnumerateModules())
{
NativeReader delegateMapReader;
if (TryGetNativeReaderForBlob(module, ReflectionMapBlob.DelegateMarshallingStubMap, out delegateMapReader))
{
NativeParser delegateMapParser = new NativeParser(delegateMapReader, 0);
NativeHashtable delegateHashtable = new NativeHashtable(delegateMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(module);
var lookup = delegateHashtable.Lookup(delegateHashcode);
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle foundDelegateType = externalReferences.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (foundDelegateType.Equals(delegateTypeHandle))
{
byte *pOpen = (byte *)externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
byte *pClose = (byte *)externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
byte *pDelegateCreation = (byte *)externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
openStub = (IntPtr)pOpen;
closedStub = (IntPtr)pClose;
delegateCreationStub = (IntPtr)pDelegateCreation;
return(true);
}
}
}
}
return(false);
}
public unsafe bool TryGetMetadataForNamedType(RuntimeTypeHandle runtimeTypeHandle, out MetadataReader metadataReader, out TypeDefinitionHandle typeDefHandle)
{
// Iterate over all modules, starting with the module that defines the EEType
foreach (IntPtr moduleHandle in ModuleList.Enumerate(RuntimeAugments.GetModuleFromTypeHandle(runtimeTypeHandle)))
{
NativeReader typeMapReader;
if (TryGetNativeReaderForBlob(moduleHandle, ReflectionMapBlob.TypeMap, out typeMapReader))
{
NativeParser typeMapParser = new NativeParser(typeMapReader, 0);
NativeHashtable typeHashtable = new NativeHashtable(typeMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(moduleHandle);
var lookup = typeHashtable.Lookup(runtimeTypeHandle.GetHashCode());
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle foundType = externalReferences.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (foundType.Equals(runtimeTypeHandle))
{
Handle entryMetadataHandle = entryParser.GetUnsigned().AsHandle();
if (entryMetadataHandle.HandleType == HandleType.TypeDefinition)
{
metadataReader = ModuleList.Instance.GetMetadataReaderForModule(moduleHandle);
typeDefHandle = entryMetadataHandle.ToTypeDefinitionHandle(metadataReader);
return(true);
}
}
}
}
}
metadataReader = null;
typeDefHandle = default(TypeDefinitionHandle);
return(false);
}
public RuntimeMethodHandleKey(RuntimeTypeHandle declaringType, string methodName, RuntimeSignature signature, RuntimeTypeHandle[] genericArgs)
{
// genericArgs will be null if this is a (typical or not) method definition
// genericArgs are non-null only for instantiated generic methods.
Debug.Assert(genericArgs == null || genericArgs.Length > 0);
_declaringType = declaringType;
_methodName = methodName;
_signature = signature;
_genericArgs = genericArgs;
int methodNameHashCode = methodName == null ? 0 : methodName.GetHashCode();
_hashcode = methodNameHashCode ^ signature.GetHashCode();
if (genericArgs != null)
{
_hashcode ^= TypeHashingAlgorithms.ComputeGenericInstanceHashCode(declaringType.GetHashCode(), genericArgs);
}
else
{
_hashcode ^= declaringType.GetHashCode();
}
}
private static unsafe bool GetMarshallersForDelegate(RuntimeTypeHandle delegateTypeHandle, out IntPtr openStub, out IntPtr closedStub, out IntPtr delegateCreationStub)
{
int delegateHashcode = delegateTypeHandle.GetHashCode();
openStub = IntPtr.Zero;
closedStub = IntPtr.Zero;
delegateCreationStub = IntPtr.Zero;
foreach (TypeManagerHandle module in RuntimeAugments.GetLoadedModules())
{
NativeReader delegateMapReader;
if (TryGetNativeReaderForBlob(module, ReflectionMapBlob.DelegateMarshallingStubMap, out delegateMapReader))
{
NativeParser delegateMapParser = new NativeParser(delegateMapReader, 0);
NativeHashtable delegateHashtable = new NativeHashtable(delegateMapParser);
ExternalReferencesTable externalReferences = default(ExternalReferencesTable);
externalReferences.InitializeCommonFixupsTable(module);
var lookup = delegateHashtable.Lookup(delegateHashcode);
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle foundDelegateType = externalReferences.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (foundDelegateType.Equals(delegateTypeHandle))
{
openStub = externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
closedStub = externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
delegateCreationStub = externalReferences.GetIntPtrFromIndex(entryParser.GetUnsigned());
return(true);
}
}
}
}
return(false);
}
public override int GetHashCode()
{
return(m_handle.GetHashCode());
}
internal override int LookupHashCode()
{
return(_typeToLookup != null?_typeToLookup.GetHashCode() : TypeHashingAlgorithms.ComputeGenericInstanceHashCode(_genericTypeDefinitionHandle.GetHashCode(), _genericTypeArgumentHandles));
}
private bool ResolveInterfaceGenericVirtualMethodSlot_Static(RuntimeTypeHandle targetTypeHandle, ref RuntimeTypeHandle declaringType, ref MethodNameAndSignature methodNameAndSignature)
{
// Get the open type definition of the containing type of the generic virtual method being resolved
RuntimeTypeHandle openCallingTypeHandle = GetTypeDefinition(declaringType);
// Get the open type definition of the current type of the object instance on which the GVM is being resolved
RuntimeTypeHandle openTargetTypeHandle;
RuntimeTypeHandle[] targetTypeInstantiation;
openTargetTypeHandle = GetOpenTypeDefinition(targetTypeHandle, out targetTypeInstantiation);
#if REFLECTION_EXECUTION_TRACE
ReflectionExecutionLogger.WriteLine("INTERFACE GVM call = " + GetTypeNameDebug(declaringType) + "." + methodNameAndSignature.Name);
#endif
foreach (NativeFormatModuleInfo module in ModuleList.EnumerateModules(RuntimeAugments.GetModuleFromTypeHandle(openTargetTypeHandle)))
{
NativeReader gvmTableReader;
if (!TryGetNativeReaderForBlob(module, ReflectionMapBlob.InterfaceGenericVirtualMethodTable, out gvmTableReader))
{
continue;
}
NativeReader nativeLayoutReader;
if (!TryGetNativeReaderForBlob(module, ReflectionMapBlob.NativeLayoutInfo, out nativeLayoutReader))
{
continue;
}
NativeParser gvmTableParser = new NativeParser(gvmTableReader, 0);
NativeHashtable gvmHashtable = new NativeHashtable(gvmTableParser);
ExternalReferencesTable extRefs = default(ExternalReferencesTable);
extRefs.InitializeCommonFixupsTable(module);
var lookup = gvmHashtable.Lookup(openCallingTypeHandle.GetHashCode());
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle interfaceTypeHandle = extRefs.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (!openCallingTypeHandle.Equals(interfaceTypeHandle))
{
continue;
}
uint nameAndSigToken = extRefs.GetExternalNativeLayoutOffset(entryParser.GetUnsigned());
MethodNameAndSignature interfaceMethodNameAndSignature = GetMethodNameAndSignatureFromNativeReader(nativeLayoutReader, module.Handle, nameAndSigToken);
if (!interfaceMethodNameAndSignature.Equals(methodNameAndSignature))
{
continue;
}
// For each of the possible GVM slot targets for the current interface call, we will do the following:
//
// Step 1: Scan the types that currently provide implementations for the current GVM slot target, and look
// for ones that match the target object's type.
//
// Step 2: For each type that we find in step #1, get a list of all the interfaces that the current GVM target
// provides an implementation for
//
// Step 3: For each interface in the list in step #2, parse the signature of that interface, do the generic argument
// substitution (in case of a generic interface), and check if this interface signature is assignable from the
// calling interface signature (from the name and sig input). if there is an exact match based on
// interface type, then we've found the right slot. Otherwise, re-scan the entry again and see if some interface
// type is compatible with the initial slots interface by means of variance.
// This is done by calling the TypeLoaderEnvironment helper function.
//
// Example:
// public interface IFoo<out T, out U>
// {
// string M1<V>();
// }
// public class Foo1<T, U> : IFoo<T, U>, IFoo<Kvp<T, string>, U>
// {
// string IFoo<T, U>.M1<V>() { ... }
// public virtual string M1<V>() { ... }
// }
// public class Foo2<T, U> : Foo1<object, U>, IFoo<U, T>
// {
// string IFoo<U, T>.M1<V>() { ... }
// }
//
// GVM Table layout for IFoo<T, U>.M1<V>:
// {
// InterfaceTypeHandle = IFoo<T, U>
// InterfaceMethodNameAndSignature = { "M1", SigOf(string M1) }
// GVMTargetSlots[] =
// {
// {
// TargetMethodNameAndSignature = { "M1", SigOf(M1) }
// TargetTypeHandle = Foo1<T, U>
// ImplementingTypes[] = {
// ImplementingTypeHandle = Foo1<T, U>
// ImplementedInterfacesSignatures[] = { SigOf(IFoo<!0, !1>) }
// }
// },
//
// {
// TargetMethodNameAndSignature = { "M1", SigOf(M1) }
// TargetTypeHandle = Foo1<T, U>
// ImplementingTypes[] = {
// ImplementingTypeHandle = Foo1<T, U>
// ImplementedInterfacesSignatures[] = { SigOf(IFoo<Kvp<!0, string>, !1>) }
// }
// },
//
// {
// TargetMethodNameAndSignature = { "M1", SigOf(M1) }
// TargetTypeHandle = Foo2<T, U>
// ImplementingTypes = {
// ImplementingTypeHandle = Foo2<T, U>
// ImplementedInterfacesSignatures[] = { SigOf(IFoo<!1, !0>) }
// }
// },
// }
// }
//
uint currentOffset = entryParser.Offset;
// Non-variant dispatch of a variant generic interface generic virtual method.
if (FindMatchingInterfaceSlot(module, nativeLayoutReader, ref entryParser, ref extRefs, ref declaringType, ref methodNameAndSignature, openTargetTypeHandle, targetTypeInstantiation, false))
{
return(true);
}
entryParser.Offset = currentOffset;
// Variant dispatch of a variant generic interface generic virtual method.
if (FindMatchingInterfaceSlot(module, nativeLayoutReader, ref entryParser, ref extRefs, ref declaringType, ref methodNameAndSignature, openTargetTypeHandle, targetTypeInstantiation, true))
{
return(true);
}
}
}
return(false);
}
/// <summary>
/// Construct McgModule
/// </summary>
public unsafe McgModule(
int mcgDataModulePriority,
McgInterfaceData[] interfaceData,
CCWTemplateData[] ccwTemplateData,
FixupRuntimeTypeHandle[] supportedInterfaceList,
McgClassData[] classData,
McgBoxingData[] boxingData,
McgAdditionalClassData[] additionalClassData,
McgCollectionData[] collectionData,
McgPInvokeDelegateData[] pinvokeDelegateData,
McgCCWFactoryInfoEntry[] ccwFactories,
McgStructMarshalData[] structMarshalData,
McgUnsafeStructFieldOffsetData[] unsafeStructFieldOffsetData,
McgGenericArgumentMarshalInfo[] genericArgumentMarshalInfo,
McgHashcodeVerifyEntry[] hashcodeVerifyData)
{
m_mcgDataModulePriority = mcgDataModulePriority;
m_interfaceData = interfaceData;
m_classData = classData;
m_boxingData = boxingData;
m_collectionData = collectionData;
m_pinvokeDelegateData = pinvokeDelegateData;
m_additionalClassData = additionalClassData;
m_ccwFactories = ccwFactories;
m_structMarshalData = structMarshalData;
m_unsafeStructOffsetData = unsafeStructFieldOffsetData;
m_genericArgumentMarshalInfo = genericArgumentMarshalInfo;
m_ccwTemplateData = ccwTemplateData;
// Following code is disabled due to lazy static constructor dependency from McgModule which is
// static eager constructor. Undo this when McgCurrentModule is using ModuleConstructorAttribute
// -- Today McgCurrentModule cannot use ModuleConstructor attribute. Module constructors are called
// after ReflectionExecution has been initialized but ReflectionExecution.Initialize requires
// McgCurrentModule to have already been initialized because the assembly binder needs MCG support
// for assembly (scope) name enumeration while registering the new module for reflection.
#if EAGER_CTOR_WORKAROUND
Debug.Assert(m_interfaceTypeInfo != null);
#endif
if (supportedInterfaceList != null)
{
m_supportedInterfaceList = new RuntimeTypeHandle[supportedInterfaceList.Length];
for (int i = 0; i < supportedInterfaceList.Length; i++)
{
m_supportedInterfaceList[i] = supportedInterfaceList[i].RuntimeTypeHandle;
}
}
else
{
m_supportedInterfaceList = null;
}
m_hashcodeVerifyData = hashcodeVerifyData;
#if DEBUG
// Check no duplicate RuntimeTypeHandle in hashtable
if (m_interfaceData != null)
{
System.Collections.Generic.Internal.HashSet <EquatableRuntimeTypeHandle> intfHashSet =
new System.Collections.Generic.Internal.HashSet <EquatableRuntimeTypeHandle>(m_interfaceData.Length);
foreach (McgInterfaceData item in m_interfaceData)
{
RuntimeTypeHandle typeHnd = item.ItfType;
if (!typeHnd.Equals(s_DependencyReductionTypeRemovedTypeHandle) && !typeHnd.Equals(default(RuntimeTypeHandle)))
{
if (intfHashSet.Add(new EquatableRuntimeTypeHandle(typeHnd), typeHnd.GetHashCode()))
{
Debug.Fail("Duplicate RuntimeTypeHandle found in m_interfaceData");
}
}
}
}
if (m_classData != null)
{
System.Collections.Generic.Internal.HashSet <EquatableRuntimeTypeHandle> classHashSet =
new System.Collections.Generic.Internal.HashSet <EquatableRuntimeTypeHandle>(m_classData.Length);
foreach (McgClassData item in m_classData)
{
RuntimeTypeHandle typeHnd = item.ClassType;
if (!typeHnd.Equals(s_DependencyReductionTypeRemovedTypeHandle) && !typeHnd.Equals(default(RuntimeTypeHandle)))
{
if (classHashSet.Add(new EquatableRuntimeTypeHandle(typeHnd), typeHnd.GetHashCode()))
{
Debug.Fail("Duplicate RuntimeTypeHandle found in m_classData");
}
}
}
}
Debug.Assert(this.VerifyHashCodes());
#endif
}
private unsafe bool ResolveGenericVirtualMethodTarget_Static(RuntimeTypeHandle targetTypeHandle, RuntimeTypeHandle declaringType, RuntimeTypeHandle[] genericArguments, MethodNameAndSignature callingMethodNameAndSignature, out IntPtr methodPointer, out IntPtr dictionaryPointer)
{
methodPointer = dictionaryPointer = IntPtr.Zero;
// Get the open type definition of the containing type of the generic virtual method being resolved
RuntimeTypeHandle openCallingTypeHandle = GetTypeDefinition(declaringType);
// Get the open type definition of the current type of the object instance on which the GVM is being resolved
RuntimeTypeHandle openTargetTypeHandle = GetTypeDefinition(targetTypeHandle);
int hashCode = openCallingTypeHandle.GetHashCode();
hashCode = ((hashCode << 13) ^ hashCode) ^ openTargetTypeHandle.GetHashCode();
#if REFLECTION_EXECUTION_TRACE
ReflectionExecutionLogger.WriteLine("GVM Target Resolution = " + GetTypeNameDebug(targetTypeHandle) + "." + callingMethodNameAndSignature.Name);
#endif
foreach (NativeFormatModuleInfo module in ModuleList.EnumerateModules(RuntimeAugments.GetModuleFromTypeHandle(openTargetTypeHandle)))
{
NativeReader gvmTableReader;
if (!TryGetNativeReaderForBlob(module, ReflectionMapBlob.GenericVirtualMethodTable, out gvmTableReader))
{
continue;
}
NativeReader nativeLayoutReader;
if (!TryGetNativeReaderForBlob(module, ReflectionMapBlob.NativeLayoutInfo, out nativeLayoutReader))
{
continue;
}
NativeParser gvmTableParser = new NativeParser(gvmTableReader, 0);
NativeHashtable gvmHashtable = new NativeHashtable(gvmTableParser);
ExternalReferencesTable extRefs = default(ExternalReferencesTable);
extRefs.InitializeCommonFixupsTable(module);
var lookup = gvmHashtable.Lookup(hashCode);
NativeParser entryParser;
while (!(entryParser = lookup.GetNext()).IsNull)
{
RuntimeTypeHandle parsedCallingTypeHandle = extRefs.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (!parsedCallingTypeHandle.Equals(openCallingTypeHandle))
{
continue;
}
RuntimeTypeHandle parsedTargetTypeHandle = extRefs.GetRuntimeTypeHandleFromIndex(entryParser.GetUnsigned());
if (!parsedTargetTypeHandle.Equals(openTargetTypeHandle))
{
continue;
}
uint parsedCallingNameAndSigToken = extRefs.GetExternalNativeLayoutOffset(entryParser.GetUnsigned());
MethodNameAndSignature parsedCallingNameAndSignature = GetMethodNameAndSignatureFromNativeReader(nativeLayoutReader, module.Handle, parsedCallingNameAndSigToken);
if (!parsedCallingNameAndSignature.Equals(callingMethodNameAndSignature))
{
continue;
}
uint parsedTargetMethodNameAndSigToken = extRefs.GetExternalNativeLayoutOffset(entryParser.GetUnsigned());
MethodNameAndSignature targetMethodNameAndSignature = GetMethodNameAndSignatureFromNativeReader(nativeLayoutReader, module.Handle, parsedTargetMethodNameAndSigToken);
Debug.Assert(targetMethodNameAndSignature != null);
if (!TryGetGenericVirtualMethodPointer(targetTypeHandle, targetMethodNameAndSignature, genericArguments, out methodPointer, out dictionaryPointer))
{
Environment.FailFast("GVM method pointer lookup failure");
}
return(true);
}
}
return(false);
}
public RuntimeFieldHandleKey(RuntimeTypeHandle declaringType, string fieldName)
{
_declaringType = declaringType;
_fieldName = fieldName;
_hashcode = declaringType.GetHashCode() ^ fieldName.GetHashCode();
}
internal override int LookupHashCode()
{
// Todo: Signatures in the hash code.
return(_methodToLookup != null?_methodToLookup.GetHashCode() : (_declaringType.GetHashCode() ^ TypeHashingAlgorithms.ComputeGenericInstanceHashCode(TypeHashingAlgorithms.ComputeNameHashCode(_nameAndSignature.Name), _genericMethodArgumentHandles)));
}
public override int GetHashCode()
{
return(CalcHashCode(_resolveType, _handle, _methodHandleOrSlotOrCodePointer.GetHashCode(), _declaringType.GetHashCode()));
}
public TypeDesc ResolveRuntimeTypeHandle(RuntimeTypeHandle rtth)
{
TypeDesc returnedType;
if (_runtimeTypeHandleResolutionCache.TryGetValue(rtth, out returnedType))
{
return(returnedType);
}
if (rtth.Equals(CanonType.RuntimeTypeHandle))
{
returnedType = CanonType;
}
else if (rtth.Equals(UniversalCanonType.RuntimeTypeHandle))
{
returnedType = UniversalCanonType;
}
else if (RuntimeAugments.IsGenericTypeDefinition(rtth))
{
returnedType = TryGetMetadataBasedTypeFromRuntimeTypeHandle_Uncached(rtth);
if (returnedType == null)
{
unsafe
{
TypeDesc[] genericParameters = new TypeDesc[rtth.ToEETypePtr()->GenericArgumentCount];
for (int i = 0; i < genericParameters.Length; i++)
{
genericParameters[i] = GetSignatureVariable(i, false);
}
returnedType = new NoMetadataType(this, rtth, null, new Instantiation(genericParameters), rtth.GetHashCode());
}
}
}
else if (RuntimeAugments.IsGenericType(rtth))
{
RuntimeTypeHandle typeDefRuntimeTypeHandle;
RuntimeTypeHandle[] genericArgRuntimeTypeHandles;
typeDefRuntimeTypeHandle = RuntimeAugments.GetGenericInstantiation(rtth, out genericArgRuntimeTypeHandles);
DefType typeDef = (DefType)ResolveRuntimeTypeHandle(typeDefRuntimeTypeHandle);
Instantiation genericArgs = ResolveRuntimeTypeHandles(genericArgRuntimeTypeHandles);
returnedType = ResolveGenericInstantiation(typeDef, genericArgs);
}
else if (RuntimeAugments.IsArrayType(rtth))
{
RuntimeTypeHandle elementTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc elementType = ResolveRuntimeTypeHandle(elementTypeHandle);
unsafe
{
if (rtth.ToEETypePtr()->IsSzArray)
{
returnedType = GetArrayType(elementType);
}
else
{
returnedType = GetArrayType(elementType, rtth.ToEETypePtr()->ArrayRank);
}
}
}
else if (RuntimeAugments.IsUnmanagedPointerType(rtth))
{
RuntimeTypeHandle targetTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc targetType = ResolveRuntimeTypeHandle(targetTypeHandle);
returnedType = GetPointerType(targetType);
}
else if (RuntimeAugments.IsByRefType(rtth))
{
RuntimeTypeHandle targetTypeHandle = RuntimeAugments.GetRelatedParameterTypeHandle(rtth);
TypeDesc targetType = ResolveRuntimeTypeHandle(targetTypeHandle);
returnedType = GetByRefType(targetType);
}
else
{
returnedType = TryGetMetadataBasedTypeFromRuntimeTypeHandle_Uncached(rtth);
if (returnedType == null)
{
returnedType = new NoMetadataType(this, rtth, null, Instantiation.Empty, rtth.GetHashCode());
}
}
// We either retrieved an existing DefType that is already registered with the runtime
// or one that is not associated with an MethodTable yet. If it's not associated, associate it.
if (returnedType.RuntimeTypeHandle.IsNull())
{
TypeBuilderState state = returnedType.GetTypeBuilderStateIfExist();
bool skipStoringRuntimeTypeHandle = false;
// If we've already attempted to lookup and failed to retrieve this type handle, we
// may have already decided to create a new one. In that case, do not attempt to abort
// that creation process as it may have already begun the process of type creation
if (state != null && state.AttemptedAndFailedToRetrieveTypeHandle)
{
skipStoringRuntimeTypeHandle = true;
}
if (!skipStoringRuntimeTypeHandle)
{
returnedType.SetRuntimeTypeHandleUnsafe(rtth);
}
}
_runtimeTypeHandleResolutionCache.Add(rtth, returnedType);
return(returnedType.WithDebugName());
}
