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);
        }
Ejemplo n.º 2
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        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);
        }
Ejemplo n.º 3
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        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);
        }