public void TypeOrMethodDef()
{
Assert.Equal(0, CodedIndex.TypeOrMethodDef(default(TypeDefinitionHandle)));
Assert.Equal((0xffffff << 1) | 1, CodedIndex.TypeOrMethodDef(MetadataTokens.MethodDefinitionHandle(0xffffff)));
Assert.Equal(0x02 | 0, CodedIndex.TypeOrMethodDef(MetadataTokens.TypeDefinitionHandle(1)));
Assert.Equal(0x02 | 1, CodedIndex.TypeOrMethodDef(MetadataTokens.MethodDefinitionHandle(1)));
}
public void Errors()
{
var badHandleKind = CustomAttributeHandle.FromRowId(1);
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.HasCustomAttribute(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.HasConstant(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.CustomAttributeType(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.HasDeclSecurity(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.HasFieldMarshal(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.HasSemantics(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.Implementation(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.MemberForwarded(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.MemberRefParent(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.MethodDefOrRef(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.ResolutionScope(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.TypeDefOrRef(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.TypeDefOrRefOrSpec(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.TypeOrMethodDef(badHandleKind));
AssertExtensions.Throws <ArgumentException>(null, () => CodedIndex.HasCustomDebugInformation(badHandleKind));
}
private void _sortAndWriteGenParamEntries(ref DynamicArray <GenericParameter> entriesList)
{
if (entriesList.length == 0)
{
return;
}
var entries = entriesList.asReadOnlyArrayView();
var codedIndexKeys = new int[entries.length];
for (int i = 0; i < entries.length; i++)
{
codedIndexKeys[i] = CodedIndex.TypeOrMethodDef(entries[i].ownerHandle);
}
Array.Sort(codedIndexKeys, entriesList.getUnderlyingArray(), 0, entriesList.length);
using var mdBuilder = m_metadataContext.getMetadataBuilder();
for (int i = 0; i < entries.length; i++)
{
ref readonly var genParam = ref entries[i];
private void CreateMethod(MethodInfo method, List <DelayedWrite> genericParams)
{
if (!_metadata.TryGetMethodDefinition(method, out var metadata))
{
ThrowMetadataIsNotReserved("Method", method);
}
EnsureMetadataWasNotEmitted(metadata, method);
var body = method.GetMethodBody();
var localVariablesSignature = default(StandaloneSignatureHandle);
if (body != null && body.LocalVariables.Count > 0)
{
localVariablesSignature = _metadata.Builder.AddStandaloneSignature(_metadata.GetOrAddBlob(
MetadataHelper.BuildSignature(x =>
{
x.LocalVariableSignature(body.LocalVariables.Count).AddRange(body.LocalVariables, _metadata);
})));
}
var offset = -1;
// If body exists, we write it in IL body stream
if (body != null && !method.IsAbstract)
{
var methodBodyWriter = new MethodBodyStreamWriter(_metadata);
// offset can be aligned during serialization. So, override the correct offset.
offset = methodBodyWriter.AddMethodBody(method, localVariablesSignature);
}
var parameters = CreateParameters(method.GetParameters());
var handle = _metadata.Builder.AddMethodDefinition(
method.Attributes,
method.MethodImplementationFlags,
_metadata.GetOrAddString(method.Name),
_metadata.GetMethodOrConstructorSignature(method),
offset,
parameters);
// The generation of interface method overrides has been moved to
// AssemblyGenerator.DeclareInterfacesAndCreateInterfaceMap in
// AssemblyGenerator.Types.cs.
// Add generic parameters
if (method.IsGenericMethodDefinition)
{
int index = 0;
foreach (var arg in method.GetGenericArguments())
{
genericParams.Add(new DelayedWrite(CodedIndex.TypeOrMethodDef(handle), () =>
{
// Add the argument
var gaHandle = _metadata.Builder.AddGenericParameter(handle, arg.GenericParameterAttributes, _metadata.GetOrAddString(arg.Name), index++);
// Add it's constraints
foreach (var constraint in arg.GetGenericParameterConstraints())
{
_metadata.Builder.AddGenericParameterConstraint(gaHandle, _metadata.GetTypeHandle(constraint));
}
}));
}
}
else if (method.Attributes.HasFlag(MethodAttributes.PinvokeImpl))
{
ProcessPInvokeMapData(
method,
out string libraryName,
out string entryName,
out MethodImportAttributes attrs);
var libraryNameHandle = _metadata.GetOrAddString(libraryName);
var moduleRefHandle = _metadata.Builder.AddModuleReference(libraryNameHandle);
var entryNameHandle = _metadata.GetOrAddString(entryName);
// Add the ImplMap entry for the P/Invoke
_metadata.Builder.AddMethodImport(
handle,
attrs,
entryNameHandle,
moduleRefHandle);
}
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
CreateCustomAttributes(handle, method.GetCustomAttributesData());
}
private void CreateMethod(MethodInfo method, List <DelayedWrite> genericParams)
{
if (!_metadata.TryGetMethodDefinition(method, out var metadata))
{
ThrowMetadataIsNotReserved("Method", method);
}
EnsureMetadataWasNotEmitted(metadata, method);
var body = method.GetMethodBody();
var localVariablesSignature = default(StandaloneSignatureHandle);
if (body != null && body.LocalVariables.Count > 0)
{
localVariablesSignature = _metadata.Builder.AddStandaloneSignature(_metadata.GetOrAddBlob(
MetadataHelper.BuildSignature(x =>
{
x.LocalVariableSignature(body.LocalVariables.Count).AddRange(body.LocalVariables, _metadata);
})));
}
var offset = -1;
// If body exists, we write it in IL body stream
if (body != null && !method.IsAbstract)
{
var methodBodyWriter = new MethodBodyStreamWriter(_metadata);
// offset can be aligned during serialization. So, override the correct offset.
offset = methodBodyWriter.AddMethodBody(method, localVariablesSignature);
}
var parameters = CreateParameters(method.GetParameters());
var handle = _metadata.Builder.AddMethodDefinition(
method.Attributes,
method.MethodImplementationFlags,
_metadata.GetOrAddString(method.Name),
_metadata.GetMethodOrConstructorSignature(method),
offset,
parameters);
// Explicit interface implementations need to be marked with method implementation
// (This is the equivalent of .Override in msil)
if (method.IsPrivate)
{
// Go through all the implemented interfaces and all their methods
// looking for methods that this method implements and mark accordingly.
// NB: This is not super efficient. Should probably create a map somewhere
// for faster lookup, but this will do for now.
var type = method.DeclaringType;
foreach (var itf in type.GetInterfaces())
{
var itfMap = type.GetInterfaceMap(itf);
for (int i = 0; i < itfMap.TargetMethods.Length; i++)
{
var m = itfMap.TargetMethods[i];
if (m == method)
{
var itfImpl = itfMap.InterfaceMethods[i];
_metadata.Builder.AddMethodImplementation((TypeDefinitionHandle)_metadata.GetTypeHandle(method.DeclaringType), handle, _metadata.GetMethodHandle(itfImpl));
}
}
}
}
// Add generic parameters
if (method.IsGenericMethodDefinition)
{
int index = 0;
foreach (var arg in method.GetGenericArguments())
{
genericParams.Add(new DelayedWrite(CodedIndex.TypeOrMethodDef(handle), () =>
{
// Add the argument
var gaHandle = _metadata.Builder.AddGenericParameter(handle, arg.GenericParameterAttributes, _metadata.GetOrAddString(arg.Name), index++);
// Add it's constraints
foreach (var constraint in arg.GetGenericParameterConstraints())
{
_metadata.Builder.AddGenericParameterConstraint(gaHandle, _metadata.GetTypeHandle(constraint));
}
}));
}
}
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
CreateCustomAttributes(handle, method.GetCustomAttributesData());
}
private void CreateType(Type type, List <DelayedWrite> genericParams)
{
// Check reserved and not already emitted
if (!_metadata.TryGetTypeDefinition(type, out var metadata))
{
ThrowMetadataIsNotReserved("Type", type);
}
EnsureMetadataWasNotEmitted(metadata, type);
// Add the type definition
var baseTypeHandle = type.BaseType != null?_metadata.GetTypeHandle(type.BaseType) : default;
var handle = _metadata.Builder.AddTypeDefinition(
type.Attributes,
type.DeclaringType == null ? _metadata.GetOrAddString(ApplyNameChange(type.Namespace)) : default(StringHandle),
_metadata.GetOrAddString(type.Name),
baseTypeHandle,
MetadataTokens.FieldDefinitionHandle(_metadata.Builder.GetRowCount(TableIndex.Field) + 1),
MetadataTokens.MethodDefinitionHandle(_metadata.Builder.GetRowCount(TableIndex.MethodDef) + 1));
// Verify and mark emitted
VerifyEmittedHandle(metadata, handle);
metadata.MarkAsEmitted();
// Setup pack and size attributes (if explicit layout)
if (type.IsExplicitLayout)
{
_metadata.Builder.AddTypeLayout(
handle,
(ushort)type.StructLayoutAttribute.Pack,
(uint)type.StructLayoutAttribute.Size
);
}
// Add implemented interfaces (not for enums though - eg: IComparable etc...)
if (!type.IsEnum)
{
DeclareInterfacesAndCreateInterfaceMap(type, handle);
}
// Setup enclosing type
if (type.DeclaringType != null)
{
_metadata.Builder.AddNestedType(handle, (TypeDefinitionHandle)_metadata.GetTypeHandle(type.DeclaringType));
}
// Create attributes
CreateCustomAttributes(handle, type.GetCustomAttributesData());
// Handle generics type
if (type.IsGenericType)
{
if (type.IsGenericTypeDefinition)
{
var genericType = type.GetGenericTypeDefinition();
var typeInfo = genericType.GetTypeInfo();
int index = 0;
foreach (var arg in typeInfo.GenericTypeParameters)
{
var attr = arg.GenericParameterAttributes;
genericParams.Add(new DelayedWrite(CodedIndex.TypeOrMethodDef(handle), () =>
{
var gpHandle = _metadata.Builder.AddGenericParameter(handle, attr, _metadata.GetOrAddString(arg.Name), index++);
foreach (var constraint in arg.GetGenericParameterConstraints())
{
_metadata.Builder.AddGenericParameterConstraint(gpHandle,
_metadata.GetTypeHandle(constraint));
}
}));
}
}
}
// Create members...
CreateFields(type.GetFields(AllFields));
CreatePropertiesForType(type.GetProperties(AllProperties));
CreateEventsForType(type.GetEvents(AllEvents));
CreateConstructors(type.GetConstructors(AllMethods));
CreateMethods(type.GetMethods(AllMethods), genericParams);
}
public ReservedBlob <GuidHandle> Import()
{
if (_reader.IsAssembly)
{
var srcAssembly = _reader.GetAssemblyDefinition();
_builder.AddAssembly(ImportValue(srcAssembly.Name), srcAssembly.Version,
ImportValue(srcAssembly.Culture),
ImportValue(srcAssembly.PublicKey), srcAssembly.Flags, srcAssembly.HashAlgorithm);
Debug?.Invoke($"Imported assembly {_reader.ToString(srcAssembly)}");
}
var srcModule = _reader.GetModuleDefinition();
var mvidBlob = _builder.ReserveGuid();
_builder.AddModule(srcModule.Generation, ImportValue(srcModule.Name), mvidBlob.Handle,
ImportValue(srcModule.GenerationId),
ImportValue(srcModule.BaseGenerationId));
Debug?.Invoke($"Imported module {_reader.ToString(srcModule)}");
Debug?.Invoke($"Importing assembly files");
foreach (var srcHandle in _reader.AssemblyFiles)
{
Import(srcHandle);
}
var index = 1;
Debug?.Invoke($"Preparing type list for import");
var checker = new CachedAttributeChecker();
foreach (var srcHandle in _reader.TypeDefinitions)
{
bool shouldImport;
var src = _reader.GetTypeDefinition(srcHandle);
if (checker.HasAttribute(_reader, src, AttributeNames.Embedded) &&
checker.HasAttribute(_reader, src, AttributeNames.CompilerGenerated))
{
Trace?.Invoke($"Embedded type found {_reader.ToString(srcHandle)}");
shouldImport = true;
}
else
{
shouldImport = Filter?.AllowImport(_reader.GetTypeDefinition(srcHandle), _reader) != false;
}
if (shouldImport)
{
_typeDefinitionCache[srcHandle] = MetadataTokens.TypeDefinitionHandle(index++);
}
else
{
Trace?.Invoke($"Type filtered and will not be imported {_reader.ToString(srcHandle)}");
}
}
Debug?.Invoke($"Importing type definitions");
foreach (var srcHandle in _reader.TypeDefinitions.Where(_typeDefinitionCache.ContainsKey))
{
var dstHandle = ImportTypeDefinitionSkeleton(srcHandle);
if (dstHandle != _typeDefinitionCache[srcHandle])
{
throw new Exception("WTF: type handle mismatch");
}
}
Debug?.Invoke($"Importing type definition accessories");
foreach (var(srcHandle, dstHandle) in _typeDefinitionCache)
{
ImportTypeDefinitionAccessories(srcHandle, dstHandle);
}
Debug?.Invoke($"Importing method definition accessories");
foreach (var(srcHandle, dstHandle) in _methodDefinitionCache)
{
ImportMethodDefinitionAccessories(srcHandle, dstHandle);
}
Debug?.Invoke($"Importing field definition accessories");
foreach (var(srcHandle, dstHandle) in _fieldDefinitionCache)
{
ImportFieldDefinitionAccessories(srcHandle, dstHandle);
}
Debug?.Invoke($"Importing nested classes");
var nestedTypes = _typeDefinitionCache
.Select(kv => Tuple.Create(kv.Value, _reader.GetTypeDefinition(kv.Key).GetNestedTypes()))
.SelectMany(x => x.Item2.Select(y => Tuple.Create(x.Item1, y, Import(y))))
.Where(x => !x.Item3.IsNil)
.OrderBy(x => RowId(x.Item3))
.ToList();
foreach (var(dstHandle, srcNested, dstNested) in nestedTypes)
{
_builder.AddNestedType(dstNested, dstHandle);
Trace?.Invoke($"Imported nested type {_reader.ToString(srcNested)} -> {RowId(dstNested):X}");
}
var generic = _typeDefinitionCache
.Select(kv => Tuple.Create((EntityHandle)kv.Value, _reader.GetTypeDefinition(kv.Key).GetGenericParameters()))
.Concat(_methodDefinitionCache
.Select(kv => Tuple.Create((EntityHandle)kv.Value, _reader.GetMethodDefinition(kv.Key).GetGenericParameters())))
.OrderBy(x => CodedIndex.TypeOrMethodDef(x.Item1))
.ToList();
Debug?.Invoke($"Importing generic constraints");
foreach (var(dstHandle, genericParams) in generic)
{
ImportGenericConstraints(dstHandle, genericParams);
}
Debug?.Invoke($"Importing custom attributes");
foreach (var src in _reader.CustomAttributes)
{
Import(src);
}
Debug?.Invoke($"Importing declarative security attributes");
foreach (var src in _reader.DeclarativeSecurityAttributes)
{
Import(src);
}
Debug?.Invoke($"Importing exported types");
foreach (var src in _reader.ExportedTypes)
{
Import(src);
}
Debug?.Invoke($"Importing done");
return(mvidBlob);
}