private MethodNameAndSignature GetMethodNameAndSignatureFromNativeReader(NativeReader nativeLayoutReader, uint nativeLayoutOffset)
{
NativeParser parser = new NativeParser(nativeLayoutReader, nativeLayoutOffset);
string methodName = parser.GetString();
// Signatures are indirected to through a relative offset so that we don't have to parse them
// when not comparing signatures (parsing them requires resolving types and is tremendously
// expensive).
NativeParser sigParser = parser.GetParserFromRelativeOffset();
IntPtr methodSigPtr = sigParser.Reader.OffsetToAddress(sigParser.Offset);
return new MethodNameAndSignature(methodName, RuntimeMethodSignature.CreateFromNativeLayoutSignature(methodSigPtr));
}
public bool TryGetMethodNameAndSignaturePointersFromNativeLayoutSignature(IntPtr module, uint methodNameAndSigToken, out IntPtr methodNameSigPtr, out IntPtr methodSigPtr)
{
methodNameSigPtr = default(IntPtr);
methodSigPtr = default(IntPtr);
NativeReader reader = GetNativeLayoutInfoReader(module);
uint offset = methodNameAndSigToken;
NativeParser parser = new NativeParser(reader, offset);
if (parser.IsNull)
return false;
methodNameSigPtr = parser.Reader.OffsetToAddress(parser.Offset);
string methodName = parser.GetString();
// Signatures are indirected to through a relative offset so that we don't have to parse them
// when not comparing signatures (parsing them requires resolving types and is tremendously
// expensive).
NativeParser sigParser = parser.GetParserFromRelativeOffset();
methodSigPtr = sigParser.Reader.OffsetToAddress(sigParser.Offset);
return true;
}
private unsafe bool TryGetStaticRuntimeFieldHandleComponents(RuntimeFieldHandle runtimeFieldHandle, out RuntimeTypeHandle declaringTypeHandle, out string fieldName)
{
fieldName = null;
declaringTypeHandle = default(RuntimeTypeHandle);
// Make sure it's not a dynamically allocated RuntimeFieldHandle before we attempt to use it to parse native layout data
Debug.Assert(((*(IntPtr*)&runtimeFieldHandle).ToInt64() & 0x1) == 0);
RuntimeFieldHandleInfo* fieldData = *(RuntimeFieldHandleInfo**)&runtimeFieldHandle;
IntPtr remainingSignature;
if (!GetTypeFromSignatureAndContext(fieldData->NativeLayoutInfoSignature, null, null, out declaringTypeHandle, out remainingSignature))
return false;
// GetTypeFromSignatureAndContext parses the type from the signature and returns a pointer to the next
// part of the native layout signature to read which we get the field name from
var reader = GetNativeLayoutInfoReader(RuntimeAugments.GetModuleFromPointer(remainingSignature));
var parser = new NativeParser(reader, reader.AddressToOffset(remainingSignature));
fieldName = parser.GetString();
return true;
}