// Create a TypeSystem.MethodSignature object from a RuntimeSignature that isn't a NativeLayoutSignature
private TypeSystem.MethodSignature TypeSystemSigFromRuntimeSignature(TypeSystemContext context, RuntimeSignature signature)
{
Debug.Assert(!signature.IsNativeLayoutSignature);
ModuleInfo module = signature.GetModuleInfo();
#if ECMA_METADATA_SUPPORT
if (module is NativeFormatModuleInfo)
#endif
{
NativeFormatModuleInfo nativeFormatModule = (NativeFormatModuleInfo)module;
var metadataReader = nativeFormatModule.MetadataReader;
var methodHandle = signature.Token.AsHandle().ToMethodHandle(metadataReader);
var metadataUnit = ((TypeLoaderTypeSystemContext)context).ResolveMetadataUnit(nativeFormatModule);
var parser = new Internal.TypeSystem.NativeFormat.NativeFormatSignatureParser(metadataUnit, metadataReader.GetMethod(methodHandle).Signature, metadataReader);
return(parser.ParseMethodSignature());
}
#if ECMA_METADATA_SUPPORT
else
{
EcmaModuleInfo ecmaModuleInfo = (EcmaModuleInfo)module;
TypeSystem.Ecma.EcmaModule ecmaModule = context.ResolveEcmaModule(ecmaModuleInfo);
var ecmaHandle = System.Reflection.Metadata.Ecma335.MetadataTokens.EntityHandle(signature.Token);
MethodDesc ecmaMethod = ecmaModule.GetMethod(ecmaHandle);
return(ecmaMethod.Signature);
}
#endif
}
public uint GetGenericArgumentCountFromMethodNameAndSignature(MethodNameAndSignature signature)
{
if (signature.Signature.IsNativeLayoutSignature)
{
NativeReader reader = GetNativeLayoutInfoReader(signature.Signature);
NativeParser parser = new NativeParser(reader, signature.Signature.NativeLayoutOffset);
return(GetGenericArgCountFromSig(parser));
}
else
{
ModuleInfo module = signature.Signature.GetModuleInfo();
#if ECMA_METADATA_SUPPORT
if (module is NativeFormatModuleInfo)
#endif
{
NativeFormatModuleInfo nativeFormatModule = (NativeFormatModuleInfo)module;
var metadataReader = nativeFormatModule.MetadataReader;
var methodHandle = signature.Signature.Token.AsHandle().ToMethodHandle(metadataReader);
var method = methodHandle.GetMethod(metadataReader);
var methodSignature = method.Signature.GetMethodSignature(metadataReader);
return(checked ((uint)methodSignature.GenericParameterCount));
}
#if ECMA_METADATA_SUPPORT
else
{
EcmaModuleInfo ecmaModuleInfo = (EcmaModuleInfo)module;
var metadataReader = ecmaModuleInfo.MetadataReader;
var ecmaHandle = (System.Reflection.Metadata.MethodDefinitionHandle)System.Reflection.Metadata.Ecma335.MetadataTokens.Handle(signature.Signature.Token);
var method = metadataReader.GetMethodDefinition(ecmaHandle);
var blobHandle = method.Signature;
var blobReader = metadataReader.GetBlobReader(blobHandle);
byte sigByte = blobReader.ReadByte();
if ((sigByte & (byte)System.Reflection.Metadata.SignatureAttributes.Generic) == 0)
{
return(0);
}
uint genArgCount = checked ((uint)blobReader.ReadCompressedInteger());
return(genArgCount);
}
#endif
}
}
/// <summary>
/// Locate the containing module for a given metadata reader. Assert when not found.
/// </summary>
/// <param name="reader">Metadata reader to look up</param>
/// <returns>Module handle of the module containing the given reader</returns>
public static EcmaModuleInfo GetModuleInfoForMetadataReader(this ModuleList moduleList, MetadataReader reader)
{
foreach (ModuleInfo moduleInfo in moduleList.GetLoadedModuleMapInternal().Modules)
{
EcmaModuleInfo ecmaModuleInfo = moduleInfo as EcmaModuleInfo;
if (ecmaModuleInfo == null)
{
continue;
}
if (ecmaModuleInfo.MetadataReader == reader)
{
return(ecmaModuleInfo);
}
}
// We should never have a reader that is not associated with a module (where does it come from?!)
Debug.Assert(false);
return(null);
}
internal bool IsStaticMethodSignature(RuntimeSignature methodSig)
{
if (methodSig.IsNativeLayoutSignature)
{
NativeReader reader = GetNativeLayoutInfoReader(methodSig);
NativeParser parser = new NativeParser(reader, methodSig.NativeLayoutOffset);
MethodCallingConvention callingConvention = (MethodCallingConvention)parser.GetUnsigned();
return(callingConvention.HasFlag(MethodCallingConvention.Static));
}
else
{
ModuleInfo module = methodSig.GetModuleInfo();
#if ECMA_METADATA_SUPPORT
if (module is NativeFormatModuleInfo)
#endif
{
NativeFormatModuleInfo nativeFormatModule = (NativeFormatModuleInfo)module;
var metadataReader = nativeFormatModule.MetadataReader;
var methodHandle = methodSig.Token.AsHandle().ToMethodHandle(metadataReader);
var method = methodHandle.GetMethod(metadataReader);
return((method.Flags & MethodAttributes.Static) != 0);
}
#if ECMA_METADATA_SUPPORT
else
{
EcmaModuleInfo ecmaModuleInfo = (EcmaModuleInfo)module;
var metadataReader = ecmaModuleInfo.MetadataReader;
var ecmaHandle = (System.Reflection.Metadata.MethodDefinitionHandle)System.Reflection.Metadata.Ecma335.MetadataTokens.Handle(methodSig.Token);
var method = metadataReader.GetMethodDefinition(ecmaHandle);
var blobHandle = method.Signature;
var blobReader = metadataReader.GetBlobReader(blobHandle);
byte sigByte = blobReader.ReadByte();
return((sigByte & (byte)System.Reflection.Metadata.SignatureAttributes.Instance) == 0);
}
#endif
}
}
public override ModuleDesc ResolveAssembly(System.Reflection.AssemblyName name, bool throwErrorIfNotFound)
{
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
AssemblyBindResult bindResult;
Exception failureException;
if (!AssemblyBinderImplementation.Instance.Bind(name, out bindResult, out failureException))
{
if (throwErrorIfNotFound)
{
throw failureException;
}
return(null);
}
var moduleList = Internal.Runtime.TypeLoader.ModuleList.Instance;
if (bindResult.Reader != null)
{
NativeFormatModuleInfo primaryModule = moduleList.GetModuleInfoForMetadataReader(bindResult.Reader);
NativeFormatMetadataUnit metadataUnit = ResolveMetadataUnit(primaryModule);
return(metadataUnit.GetModule(bindResult.ScopeDefinitionHandle));
}
#if ECMA_METADATA_SUPPORT
else if (bindResult.EcmaMetadataReader != null)
{
EcmaModuleInfo ecmaModule = moduleList.GetModuleInfoForMetadataReader(bindResult.EcmaMetadataReader);
return(ResolveEcmaModule(ecmaModule));
}
#endif
else
{
// Should not be possible to reach here
throw new Exception();
}
#else
return(null);
#endif
}
