private MemberDependency GetTypeReferenceMemberDependency(TypeReference typeReference)
{
var provider = new MemberMetadataInfoTypeProvider(_reader);
var typeInfo = provider.GetFullName(typeReference);
return(CreateMemberDependency(typeInfo));
}
private MemberDependency GetMemberReferenceMemberDependency(MemberReference memberReference)
{
var provider = new MemberMetadataInfoTypeProvider(_reader);
var memberRefInfo = provider.GetMemberRefInfo(memberReference);
// Add the parent type to the types list (only needed when we want to report memberrefs defined in the current assembly)
if (memberRefInfo.ParentType.IsTypeDef || (memberRefInfo.ParentType.IsPrimitiveType && _currentAssemblyName.Equals("mscorlib", StringComparison.OrdinalIgnoreCase)))
{
MemberDependency.Add(CreateMemberDependency(memberRefInfo.ParentType));
}
var dep = new MemberDependency
{
CallingAssembly = CallingAssembly,
MemberDocId = $"{GetPrefix(memberReference)}:{memberRefInfo}",
TypeDocId = $"T:{memberRefInfo.ParentType}",
IsPrimitive = memberRefInfo.ParentType.IsPrimitiveType
};
if (memberRefInfo.ParentType.DefinedInAssembly.HasValue)
{
dep.DefinedInAssemblyIdentity = _reader.FormatAssemblyInfo(memberRefInfo.ParentType.DefinedInAssembly.Value);
}
// If no assembly is set, then the type is either a primitive type or it's in the current assembly.
// Mscorlib is special-cased for testing purposes.
else if (!memberRefInfo.ParentType.IsPrimitiveType || string.Equals(_currentAssemblyName, "mscorlib", StringComparison.OrdinalIgnoreCase))
{
dep.DefinedInAssemblyIdentity = _currentAssemblyInfo;
}
return(dep);
}
public void ComputeData()
{
// Primitives need to have their assembly set, so we search for a
// reference to System.Object that is considered a possible
// framework assembly and use that for any primitives that don't
// have an assembly
var systemObjectAssembly = _objectFinder.GetSystemRuntimeAssemblyInformation(_reader);
var provider = new MemberMetadataInfoTypeProvider(_reader);
// Get type references
foreach (var handle in _reader.TypeReferences)
{
try
{
var entry = _reader.GetTypeReference(handle);
var typeInfo = provider.GetFullName(entry);
var assembly = GetAssembly(typeInfo);
var typeReferenceMemberDependency = CreateMemberDependency(typeInfo, assembly);
if (typeReferenceMemberDependency != null)
{
MemberDependency.Add(typeReferenceMemberDependency);
}
}
catch (BadImageFormatException)
{
// Some obfuscators will inject dead types that break decompilers
// (for example, types that serve as each others' scopes).
//
// For portability/compatibility analysis purposes, though,
// we can skip such malformed references and just analyze those
// that we can successfully decode.
}
}
// Get member references
foreach (var handle in _reader.MemberReferences)
{
try
{
var entry = _reader.GetMemberReference(handle);
var memberReferenceMemberDependency = GetMemberReferenceMemberDependency(entry, systemObjectAssembly);
if (memberReferenceMemberDependency != null)
{
MemberDependency.Add(memberReferenceMemberDependency);
}
}
catch (BadImageFormatException)
{
// Some obfuscators will inject dead types that break decompilers
// (for example, types that serve as each others' scopes).
//
// For portability/compatibility analysis purposes, though,
// we can skip such malformed references and just analyze those
// that we can successfully decode.
}
}
}
private MemberDependency GetMemberReferenceMemberDependency(MemberReference memberReference, AssemblyReferenceInformation systemObjectAssembly)
{
var provider = new MemberMetadataInfoTypeProvider(_reader);
var memberRefInfo = provider.GetMemberRefInfo(memberReference);
AssemblyReferenceInformation definedInAssemblyIdentity = null;
if (memberRefInfo.ParentType.DefinedInAssembly.HasValue)
{
definedInAssemblyIdentity = _reader.FormatAssemblyInfo(memberRefInfo.ParentType.DefinedInAssembly.Value);
}
else if (memberRefInfo.ParentType.IsPrimitiveType)
{
definedInAssemblyIdentity = systemObjectAssembly;
}
else
{
definedInAssemblyIdentity = _currentAssemblyInfo;
}
// Apply heuristic to determine if API is most likely defined in a framework assembly
if (!_assemblyFilter.IsFrameworkAssembly(definedInAssemblyIdentity))
{
return(null);
}
// Add the parent type to the types list (only needed when we want to report memberrefs defined in the current assembly)
if (memberRefInfo.ParentType.IsTypeDef || (memberRefInfo.ParentType.IsPrimitiveType && _currentAssemblyName.Equals("mscorlib", StringComparison.OrdinalIgnoreCase)))
{
var memberDependency = CreateMemberDependency(memberRefInfo.ParentType);
if (memberDependency != null)
{
MemberDependency.Add(memberDependency);
}
}
return(new MemberDependency
{
CallingAssembly = CallingAssembly,
MemberDocId = $"{GetPrefix(memberReference)}:{memberRefInfo}",
TypeDocId = $"T:{memberRefInfo.ParentType}",
IsPrimitive = memberRefInfo.ParentType.IsPrimitiveType,
DefinedInAssemblyIdentity = definedInAssemblyIdentity
});
}
public void ComputeData()
{
AssemblyReferenceInformation systemObjectAssembly = null;
var provider = new MemberMetadataInfoTypeProvider(_reader);
// Get type references
foreach (var handle in _reader.TypeReferences)
{
try
{
var entry = _reader.GetTypeReference(handle);
var typeInfo = provider.GetFullName(entry);
var assembly = GetAssembly(typeInfo);
var typeReferenceMemberDependency = CreateMemberDependency(typeInfo, assembly);
if (typeReferenceMemberDependency != null)
{
MemberDependency.Add(typeReferenceMemberDependency);
}
// Primitives need to have their assembly set, so we search for a reference to System.Object that is considered a possible framework
// assembly and use that for any primitives that don't have an assembly
if (systemObjectAssembly == null &&
string.Equals(typeInfo.Namespace, "System", StringComparison.Ordinal) &&
string.Equals(typeInfo.Name, "Object", StringComparison.Ordinal) &&
_assemblyFilter.IsFrameworkAssembly(assembly))
{
systemObjectAssembly = assembly;
}
}
catch (BadImageFormatException)
{
// Some obfuscators will inject dead types that break decompilers
// (for example, types that serve as each others' scopes).
//
// For portability/compatibility analysis purposes, though,
// we can skip such malformed references and just analyze those
// that we can successfully decode.
}
}
if (systemObjectAssembly == null)
{
throw new PortabilityAnalyzerException(LocalizedStrings.MissingAssemblyInfo);
}
// Get member references
foreach (var handle in _reader.MemberReferences)
{
try
{
var entry = _reader.GetMemberReference(handle);
var memberReferenceMemberDependency = GetMemberReferenceMemberDependency(entry, systemObjectAssembly);
if (memberReferenceMemberDependency != null)
{
MemberDependency.Add(memberReferenceMemberDependency);
}
}
catch (BadImageFormatException)
{
// Some obfuscators will inject dead types that break decompilers
// (for example, types that serve as each others' scopes).
//
// For portability/compatibility analysis purposes, though,
// we can skip such malformed references and just analyze those
// that we can successfully decode.
}
}
}