//
// methodHandle - the "tkMethodDef" that identifies the method.
// definingType - the "tkTypeDef" that defined the method (this is where you get the metadata reader that created methodHandle.)
// contextType - the type that supplies the type context (i.e. substitutions for generic parameters.) Though you
// get your raw information from "definingType", you report "contextType" as your DeclaringType property.
//
// For example:
//
// typeof(Foo<>).GetTypeInfo().DeclaredMembers
//
// The definingType and contextType are both Foo<>
//
// typeof(Foo<int,String>).GetTypeInfo().DeclaredMembers
//
// The definingType is "Foo<,>"
// The contextType is "Foo<int,String>"
//
// We don't report any DeclaredMembers for arrays or generic parameters so those don't apply.
//
public RuntimeMethodCommon(MethodHandle methodHandle, RuntimeNamedTypeInfo definingTypeInfo, RuntimeTypeInfo contextTypeInfo)
{
_definingTypeInfo = definingTypeInfo;
_methodHandle = methodHandle;
_contextTypeInfo = contextTypeInfo;
_reader = definingTypeInfo.Reader;
_method = methodHandle.GetMethod(_reader);
}
} // GetMemberReference
public Method GetMethod(MethodHandle handle)
{
var record = new Method() { _reader = this, _handle = handle };
var offset = (uint)handle.Offset;
offset = _streamReader.Read(offset, out record._flags);
offset = _streamReader.Read(offset, out record._implFlags);
offset = _streamReader.Read(offset, out record._name);
offset = _streamReader.Read(offset, out record._signature);
offset = _streamReader.Read(offset, out record._parameters);
offset = _streamReader.Read(offset, out record._genericParameters);
offset = _streamReader.Read(offset, out record._customAttributes);
return record;
} // GetMethod
// This is specially designed for a hot path so we make some compromises in the signature:
//
// - "method" is passed by reference even though no side-effects are intended.
//
public static bool IsConstructor(ref Method method, MetadataReader reader)
{
if ((method.Flags & (MethodAttributes.RTSpecialName | MethodAttributes.SpecialName)) != (MethodAttributes.RTSpecialName | MethodAttributes.SpecialName))
return false;
ConstantStringValueHandle nameHandle = method.Name;
return nameHandle.StringEquals(ConstructorInfo.ConstructorName, reader) || nameHandle.StringEquals(ConstructorInfo.TypeConstructorName, reader);
}