private Mapping <ConstantHandle> MapConstantImpl(ConstantHandle handle)
{
Constant constant = _sourceMetadata.GetConstant(handle);
Mapping <Handle> parent = MapHandle(constant.Parent);
if (parent.Target.IsNil)
{
return(new Mapping <ConstantHandle>());
}
ConstantHandle targetHandle;
switch (parent.Target.Kind)
{
case HandleKind.Parameter:
Parameter targetParameter = _targetMetadata.GetParameter((ParameterHandle)parent.Target);
targetHandle = targetParameter.GetDefaultValue();
break;
case HandleKind.FieldDefinition:
FieldDefinition targetFieldDefinition = _targetMetadata.GetFieldDefinition((FieldDefinitionHandle)parent.Target);
targetHandle = targetFieldDefinition.GetDefaultValue();
break;
case HandleKind.PropertyDefinition:
PropertyDefinition targetPropertyDefinition = _targetMetadata.GetPropertyDefinition((PropertyDefinitionHandle)parent.Target);
targetHandle = targetPropertyDefinition.GetDefaultValue();
break;
default:
throw new InvalidOperationException();
}
if (targetHandle.IsNil)
{
return(new Mapping <ConstantHandle>());
}
Constant targetConstant = _targetMetadata.GetConstant(targetHandle);
if (constant.TypeCode != targetConstant.TypeCode)
{
var candidateTargets = ImmutableArray.Create(targetHandle);
var candidateReasons = ImmutableArray.Create("Mapped constant has a different type.");
return(new Mapping <ConstantHandle>(candidateTargets, candidateReasons));
}
ImmutableArray <byte> sourceContent = _sourceMetadata.GetBlobContent(constant.Value);
ImmutableArray <byte> targetContent = _targetMetadata.GetBlobContent(targetConstant.Value);
if (!sourceContent.SequenceEqual(targetContent))
{
var candidateTargets = ImmutableArray.Create(targetHandle);
var candidateReasons = ImmutableArray.Create("Mapped constant has a different value.");
return(new Mapping <ConstantHandle>(candidateTargets, candidateReasons));
}
return(new Mapping <ConstantHandle>(targetHandle));
}
private MetadataFieldInfo ResolveFieldImpl(
int metadataToken,
Type[] genericTypeArguments,
Type[] genericMethodArguments,
bool shouldThrow = true)
{
var entity = MetadataTokens.EntityHandle(metadataToken);
if (entity.IsNil || entity.Kind != HandleKind.FieldDefinition)
{
if (!shouldThrow)
{
return(null);
}
throw NewTokenOutOfRangeException(metadataToken, nameof(metadataToken));
}
var field = _metadata.GetFieldDefinition((FieldDefinitionHandle)entity);
var type = ResolveTypeImpl(
MetadataTokens.GetToken(_metadata, field.GetDeclaringType()),
genericTypeArguments,
genericMethodArguments);
return(type.GetMetadataField(MetadataTokens.GetToken(_metadata, entity)));
}
public static TypeDefinitionHandle GetDeclaringType(this EntityHandle entity, MetadataReader metadata)
{
switch (entity.Kind)
{
case HandleKind.TypeDefinition:
var td = metadata.GetTypeDefinition((TypeDefinitionHandle)entity);
return(td.GetDeclaringType());
case HandleKind.FieldDefinition:
var fd = metadata.GetFieldDefinition((FieldDefinitionHandle)entity);
return(fd.GetDeclaringType());
case HandleKind.MethodDefinition:
var md = metadata.GetMethodDefinition((MethodDefinitionHandle)entity);
return(md.GetDeclaringType());
case HandleKind.EventDefinition:
var ed = metadata.GetEventDefinition((EventDefinitionHandle)entity);
return(metadata.GetMethodDefinition(ed.GetAccessors().GetAny()).GetDeclaringType());
case HandleKind.PropertyDefinition:
var pd = metadata.GetPropertyDefinition((PropertyDefinitionHandle)entity);
return(metadata.GetMethodDefinition(pd.GetAccessors().GetAny()).GetDeclaringType());
default:
throw new ArgumentOutOfRangeException();
}
}
void ParseEnum(TypeDefinition enumTypeDef)
{
// TODO: verify that int32 is the enums storage type for constant read below
InspectorEnum ienum = new InspectorEnum();
ienum.Name = metaReader.GetString(enumTypeDef.Name);
InspectorEnums [ienum.Name] = ienum;
var fields = enumTypeDef.GetFields();
foreach (var fieldHandle in fields)
{
var inspectorField = new InspectorField();
var fieldDef = metaReader.GetFieldDefinition(fieldHandle);
if ((fieldDef.Attributes & FieldAttributes.HasDefault) != 0)
{
var constantHandle = fieldDef.GetDefaultValue();
var constant = metaReader.GetConstant(constantHandle);
BlobReader constantReader = metaReader.GetBlobReader(constant.Value);
ienum.Values [metaReader.GetString(fieldDef.Name)] = constantReader.ReadInt32();
}
}
return;
}
private static void ProcessFieldDef(FieldDefinitionHandle fieldDefHandle, MetadataReader dllReader, MetadataReader pdbReader, HashSet <DocumentHandle> docList)
{
var fieldDef = dllReader.GetFieldDefinition(fieldDefHandle);
var typeDefHandle = fieldDef.GetDeclaringType();
ProcessTypeDef(typeDefHandle, dllReader, pdbReader, docList);
}
public static bool IsEnum(this TypeDefinition typeDefinition, MetadataReader reader,
out PrimitiveTypeCode underlyingType)
{
underlyingType = 0;
EntityHandle baseType = typeDefinition.GetBaseTypeOrNil();
if (baseType.IsNil)
{
return(false);
}
if (!baseType.IsKnownType(reader, KnownTypeCode.Enum))
{
return(false);
}
foreach (var handle in typeDefinition.GetFields())
{
var field = reader.GetFieldDefinition(handle);
if ((field.Attributes & FieldAttributes.Static) != 0)
{
continue;
}
var blob = reader.GetBlobReader(field.Signature);
if (blob.ReadSignatureHeader().Kind != SignatureKind.Field)
{
return(false);
}
underlyingType = (PrimitiveTypeCode)blob.ReadByte();
return(true);
}
return(false);
}
public TypeHandle LoadType(MetadataReader reader, TypeDefinition type)
{
string namespaceName = reader.GetString(type.Namespace);
string typeName = reader.GetString(type.Name);
int size = 0;
Dictionary <string, int> offsets = new();
foreach (FieldDefinitionHandle fieldHandle in type.GetFields())
{
FieldDefinition field = reader.GetFieldDefinition(fieldHandle);
TypeHandle fieldType = field.DecodeSignature(this, null !);
offsets[reader.GetString(field.Name)] = size;
size += fieldType.Size;
}
return(this.types.GetOrAdd($"{namespaceName}.{typeName}", new TypeHandle(this)
{
Size = size,
Offsets = offsets,
}));
}
protected sealed override KeyValuePair <String, ulong>[] ReadNamesAndValues()
{
LowLevelList <KeyValuePair <String, ulong> > namesAndUnboxedValues = new LowLevelList <KeyValuePair <String, ulong> >();
MetadataReader reader = _reader;
foreach (FieldDefinitionHandle fieldHandle in _typeDefinition.GetFields())
{
FieldDefinition field = reader.GetFieldDefinition(fieldHandle);
if (0 != (field.Attributes & FieldAttributes.Static))
{
String name = reader.GetString(field.Name);
if ((field.Attributes & FieldAttributes.HasDefault) != FieldAttributes.HasDefault)
{
throw new BadImageFormatException();
}
ConstantHandle valueHandle = field.GetDefaultValue();
ulong ulValue = ReadUnboxedEnumValue(reader, valueHandle);
namesAndUnboxedValues.Add(new KeyValuePair <String, ulong>(name, ulValue));
}
}
return(namesAndUnboxedValues.ToArray());
}
/// <summary>
/// This should produce a string representation of the entity for search to match search strings against.
/// </summary>
public virtual string GetEntityName(PEFile module, EntityHandle handle, bool fullName)
{
MetadataReader metadata = module.Metadata;
switch (handle.Kind)
{
case HandleKind.TypeDefinition:
if (fullName)
{
return(((TypeDefinitionHandle)handle).GetFullTypeName(metadata).ToILNameString());
}
var td = metadata.GetTypeDefinition((TypeDefinitionHandle)handle);
return(metadata.GetString(td.Name));
case HandleKind.FieldDefinition:
var fd = metadata.GetFieldDefinition((FieldDefinitionHandle)handle);
var declaringType = fd.GetDeclaringType();
if (fullName)
{
return(fd.GetDeclaringType().GetFullTypeName(metadata).ToILNameString() + "." + metadata.GetString(fd.Name));
}
return(metadata.GetString(fd.Name));
case HandleKind.MethodDefinition:
var md = metadata.GetMethodDefinition((MethodDefinitionHandle)handle);
declaringType = md.GetDeclaringType();
string methodName = metadata.GetString(md.Name);
int genericParamCount = md.GetGenericParameters().Count;
if (genericParamCount > 0)
{
methodName += "``" + genericParamCount;
}
if (fullName)
{
return(md.GetDeclaringType().GetFullTypeName(metadata).ToILNameString() + "." + methodName);
}
return(methodName);
case HandleKind.EventDefinition:
var ed = metadata.GetEventDefinition((EventDefinitionHandle)handle);
declaringType = metadata.GetMethodDefinition(ed.GetAccessors().GetAny()).GetDeclaringType();
if (fullName)
{
return(declaringType.GetFullTypeName(metadata).ToILNameString() + "." + metadata.GetString(ed.Name));
}
return(metadata.GetString(ed.Name));
case HandleKind.PropertyDefinition:
var pd = metadata.GetPropertyDefinition((PropertyDefinitionHandle)handle);
declaringType = metadata.GetMethodDefinition(pd.GetAccessors().GetAny()).GetDeclaringType();
if (fullName)
{
return(declaringType.GetFullTypeName(metadata).ToILNameString() + "." + metadata.GetString(pd.Name));
}
return(metadata.GetString(pd.Name));
default:
return(null);
}
}
public FieldDefEntry(PEFile module, FieldDefinitionHandle handle)
{
this.metadataOffset = module.Reader.PEHeaders.MetadataStartOffset;
this.module = module;
this.metadata = module.Metadata;
this.handle = handle;
this.fieldDef = metadata.GetFieldDefinition(handle);
}
internal sealed override IEnumerable <FieldInfo> CoreGetDeclaredFields(NameFilter optionalNameFilter, RuntimeTypeInfo reflectedType, RuntimeTypeInfo contextTypeInfo)
{
MetadataReader reader = Reader;
foreach (FieldDefinitionHandle fieldHandle in DeclaredFieldHandles)
{
if (optionalNameFilter == null || optionalNameFilter.Matches(reader.GetFieldDefinition(fieldHandle).Name, reader))
{
yield return(EcmaFormatRuntimeFieldInfo.GetRuntimeFieldInfo(fieldHandle, this, contextTypeInfo, reflectedType));
}
}
}
public override ClassLayoutMetadata GetClassLayout()
{
TypeLayout layout = _typeDefinition.GetLayout();
ClassLayoutMetadata result;
result.PackingSize = layout.PackingSize;
result.Size = layout.Size;
// Skip reading field offsets if this is not explicit layout
if (IsExplicitLayout)
{
var fieldDefinitionHandles = _typeDefinition.GetFields();
var numInstanceFields = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetFieldDefinition(handle);
if ((fieldDefinition.Attributes & FieldAttributes.Static) != 0)
{
continue;
}
numInstanceFields++;
}
result.Offsets = new FieldAndOffset[numInstanceFields];
int index = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetFieldDefinition(handle);
if ((fieldDefinition.Attributes & FieldAttributes.Static) != 0)
{
continue;
}
// Note: GetOffset() returns -1 when offset was not set in the metadata which maps nicely
// to FieldAndOffset.InvalidOffset.
Debug.Assert(FieldAndOffset.InvalidOffset == -1);
result.Offsets[index] =
new FieldAndOffset((FieldDesc)_module.GetObject(handle), fieldDefinition.GetOffset());
index++;
}
}
else
{
result.Offsets = null;
}
return(result);
}
/// <summary>
/// Get the information for a field.
/// </summary>
/// <param name="reader">The metadata reader.</param>
/// <param name="handle">The field definition to read.</param>
/// <returns>The field's information.</returns>
public static FieldInfo GetFieldInfo(this MetadataReader reader, FieldDefinitionHandle handle)
{
var fieldDefinition = reader.GetFieldDefinition(handle);
return(new FieldInfo
{
Name = reader.GetString(fieldDefinition.Name),
Type = fieldDefinition.DecodeSignature(new SignatureTypeProvider(reader), null),
Attributes = fieldDefinition.Attributes,
});
}
private static void Main(string[] args)
{
string assemblyPath = args[0];
using (PEReader peReader = new PEReader(File.OpenRead(assemblyPath), PEStreamOptions.PrefetchMetadata))
{
ISet <AssemblyName> exposedDependencies = new HashSet <AssemblyName>(new AssemblyNameEqualityComparer());
MetadataReader metadataReader = peReader.GetMetadataReader();
foreach (var type in metadataReader.TypeDefinitions)
{
TypeDefinition typeDefinition = metadataReader.GetTypeDefinition(type);
if (!IsExposedType(metadataReader, typeDefinition))
{
continue;
}
Console.WriteLine("Exposed type: {0}", GetFullName(metadataReader, typeDefinition));
CheckType(metadataReader, typeDefinition, exposedDependencies);
foreach (var eventDefinitionHandle in typeDefinition.GetEvents())
{
CheckEvent(metadataReader, metadataReader.GetEventDefinition(eventDefinitionHandle), exposedDependencies);
}
foreach (var methodDefinitionHandle in typeDefinition.GetMethods())
{
CheckMethod(metadataReader, metadataReader.GetMethodDefinition(methodDefinitionHandle), exposedDependencies);
}
foreach (var propertyDefinitionHandle in typeDefinition.GetProperties())
{
CheckProperty(metadataReader, metadataReader.GetPropertyDefinition(propertyDefinitionHandle), exposedDependencies);
}
foreach (var fieldDefinitionHandle in typeDefinition.GetFields())
{
CheckField(metadataReader, metadataReader.GetFieldDefinition(fieldDefinitionHandle), exposedDependencies);
}
}
Console.WriteLine();
Console.WriteLine("Exposed Dependencies ({0}):", Path.GetFileName(args[0]));
foreach (AssemblyName dependency in exposedDependencies.OrderBy(i => i.FullName, StringComparer.OrdinalIgnoreCase))
{
Console.WriteLine(" {0}", dependency.FullName);
}
}
}
private static string GetFieldInformation(MetadataReader metadataReader, int intOperand, CilTypeProvider provider)
{
if (IsMemberReference(intOperand))
{
return(GetMemberRef(metadataReader, intOperand, provider));
}
var handle = MetadataTokens.FieldDefinitionHandle(intOperand);
var definition = metadataReader.GetFieldDefinition(handle);
var typeHandle = definition.GetDeclaringType();
var typeSignature = SignatureDecoder.DecodeType(typeHandle, provider, null);
var signature = SignatureDecoder.DecodeFieldSignature(definition.Signature, provider);
return(String.Format("{0} {1}::{2}", signature.ToString(), typeSignature.ToString(false), GetString(metadataReader, definition.Name)));
}
public override MarshalAsDescriptor GetMarshalAsDescriptor()
{
MetadataReader reader = MetadataReader;
FieldDefinition definition = reader.GetFieldDefinition(_handle);
if ((definition.Attributes & FieldAttributes.HasFieldMarshal) != 0)
{
BlobReader marshalAsReader = reader.GetBlobReader(definition.GetMarshallingDescriptor());
EcmaSignatureParser parser = new EcmaSignatureParser(_type.EcmaModule, marshalAsReader, NotFoundBehavior.Throw);
return(parser.ParseMarshalAsDescriptor());
}
return(null);
}
private void WalkField(MetadataReader mdReader, FieldDefinitionHandle handle, MutableSymbol parent)
{
FieldDefinition field = mdReader.GetFieldDefinition(handle);
MutableSymbol result = new MutableSymbol(mdReader.GetString(field.Name), SymbolType.Field);
AddModifiers(field.Attributes, result);
AddLocation(handle, result);
if (IsExcluded(result))
{
return;
}
parent.AddChild(result);
}
private ulong GetEnumRecordValue(FieldDesc field)
{
var ecmaField = field as EcmaField;
if (ecmaField != null)
{
MetadataReader reader = ecmaField.MetadataReader;
FieldDefinition fieldDef = reader.GetFieldDefinition(ecmaField.Handle);
ConstantHandle defaultValueHandle = fieldDef.GetDefaultValue();
if (!defaultValueHandle.IsNil)
{
return(HandleConstant(ecmaField.Module, defaultValueHandle));
}
}
return(0);
}
public override MarshalAsDescriptor[] GetFieldMarshalAsDescriptors()
{
var fieldDefinitionHandles = _typeDefinition.GetFields();
MarshalAsDescriptor[] marshalAsDescriptors = new MarshalAsDescriptor[fieldDefinitionHandles.Count];
int index = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetFieldDefinition(handle);
MarshalAsDescriptor marshalAsDescriptor = GetMarshalAsDescriptor(fieldDefinition);
marshalAsDescriptors[index++] = marshalAsDescriptor;
}
return(marshalAsDescriptors);
}
private ModuleToken GetTypeToken(ModuleToken token)
{
if (token.IsNull)
{
return(token);
}
MetadataReader mdReader = token.MetadataReader;
EntityHandle handle = (EntityHandle)MetadataTokens.Handle((int)token.Token);
ModuleToken typeToken;
switch (token.TokenType)
{
case CorTokenType.mdtTypeRef:
case CorTokenType.mdtTypeDef:
typeToken = token;
break;
case CorTokenType.mdtMemberRef:
{
MemberReferenceHandle memberRefHandle = (MemberReferenceHandle)handle;
MemberReference memberRef = mdReader.GetMemberReference(memberRefHandle);
typeToken = new ModuleToken(token.Module, (mdToken)MetadataTokens.GetToken(memberRef.Parent));
}
break;
case CorTokenType.mdtFieldDef:
{
FieldDefinitionHandle fieldDefHandle = (FieldDefinitionHandle)handle;
FieldDefinition fieldDef = mdReader.GetFieldDefinition(fieldDefHandle);
typeToken = new ModuleToken(token.Module, (mdToken)MetadataTokens.GetToken(fieldDef.GetDeclaringType()));
}
break;
case CorTokenType.mdtMethodDef:
{
MethodDefinitionHandle methodDefHandle = (MethodDefinitionHandle)handle;
MethodDefinition methodDef = mdReader.GetMethodDefinition(methodDefHandle);
typeToken = new ModuleToken(token.Module, (mdToken)MetadataTokens.GetToken(methodDef.GetDeclaringType()));
}
break;
default:
throw new NotImplementedException();
}
return(typeToken);
}
public override ClassLayoutMetadata GetClassLayout()
{
TypeLayout layout = _typeDefinition.GetLayout();
ClassLayoutMetadata result;
result.PackingSize = layout.PackingSize;
result.Size = layout.Size;
// Skip reading field offsets if this is not explicit layout
if (IsExplicitLayout)
{
var fieldDefinitionHandles = _typeDefinition.GetFields();
var numInstanceFields = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetFieldDefinition(handle);
if ((fieldDefinition.Attributes & FieldAttributes.Static) != 0)
continue;
numInstanceFields++;
}
result.Offsets = new FieldAndOffset[numInstanceFields];
int index = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetFieldDefinition(handle);
if ((fieldDefinition.Attributes & FieldAttributes.Static) != 0)
continue;
// Note: GetOffset() returns -1 when offset was not set in the metadata
int specifiedOffset = fieldDefinition.GetOffset();
result.Offsets[index] =
new FieldAndOffset((EcmaField)_module.GetObject(handle), specifiedOffset == -1 ? FieldAndOffset.InvalidOffset : new LayoutInt(specifiedOffset));
index++;
}
}
else
result.Offsets = null;
return result;
}
public void WrongSignatureType()
{
using (FileStream stream = File.OpenRead(AssemblyPathHelper.GetAssemblyLocation(typeof(VarArgsToDecode).GetTypeInfo().Assembly)))
using (var peReader = new PEReader(stream))
{
MetadataReader reader = peReader.GetMetadataReader();
var provider = new DisassemblingTypeProvider();
var decoder = new SignatureDecoder <string, DisassemblingGenericContext>(provider, reader, genericContext: null);
BlobReader fieldSignature = reader.GetBlobReader(reader.GetFieldDefinition(MetadataTokens.FieldDefinitionHandle(1)).Signature);
BlobReader methodSignature = reader.GetBlobReader(reader.GetMethodDefinition(MetadataTokens.MethodDefinitionHandle(1)).Signature);
BlobReader propertySignature = reader.GetBlobReader(reader.GetPropertyDefinition(MetadataTokens.PropertyDefinitionHandle(1)).Signature);
Assert.Throws <BadImageFormatException>(() => decoder.DecodeMethodSignature(ref fieldSignature));
Assert.Throws <BadImageFormatException>(() => decoder.DecodeFieldSignature(ref methodSignature));
Assert.Throws <BadImageFormatException>(() => decoder.DecodeLocalSignature(ref propertySignature));
}
}
private Mapping <FieldDefinitionHandle> MapFieldDefinitionImpl(FieldDefinitionHandle handle)
{
FieldDefinition fieldDefinition = _sourceMetadata.GetFieldDefinition(handle);
// Map the parent
Mapping <TypeDefinitionHandle> declaringTypeMapping = MapTypeDefinition(fieldDefinition.GetDeclaringType());
if (declaringTypeMapping.Target.IsNil)
{
return(new Mapping <FieldDefinitionHandle>());
}
string fieldName = _sourceMetadata.GetString(fieldDefinition.Name);
TypeDefinition targetDeclaringType = _targetMetadata.GetTypeDefinition(declaringTypeMapping.Target);
foreach (var targetHandle in targetDeclaringType.GetFields())
{
var targetField = _targetMetadata.GetFieldDefinition(targetHandle);
if (!_targetMetadata.StringComparer.Equals(targetField.Name, fieldName))
{
continue;
}
// The name matches. If the signature matches, return in Target; otherwise, return in CandidateTargets.
FieldSignature sourceSignature = _sourceMetadata.GetSignature(fieldDefinition);
FieldSignature targetSignature = _targetMetadata.GetSignature(targetField);
string candidateReason = CompareFieldSignatures(sourceSignature, targetSignature);
if (candidateReason == null)
{
return(new Mapping <FieldDefinitionHandle>(targetHandle));
}
var candidateTargets = ImmutableArray.Create(targetHandle);
var candidateReasons = ImmutableArray.Create(candidateReason);
return(new Mapping <FieldDefinitionHandle>(candidateTargets, candidateReasons));
}
// No field with this name was located.
return(new Mapping <FieldDefinitionHandle>());
}
public static bool IsEnum(this TypeDefinition typeDefinition, MetadataReader reader, out PrimitiveTypeCode underlyingType)
{
underlyingType = 0;
if (typeDefinition.BaseType.IsNil)
{
return(false);
}
if (!typeDefinition.BaseType.IsKnownType(reader, KnownTypeCode.Enum))
{
return(false);
}
var field = reader.GetFieldDefinition(typeDefinition.GetFields().First());
var blob = reader.GetBlobReader(field.Signature);
if (blob.ReadSignatureHeader().Kind != SignatureKind.Field)
{
return(false);
}
underlyingType = (PrimitiveTypeCode)blob.ReadByte();
return(true);
}
public static EnumInfo Create(RuntimeTypeHandle typeHandle, MetadataReader reader, TypeDefinitionHandle typeDefHandle)
{
TypeDefinition typeDef = reader.GetTypeDefinition(typeDefHandle);
// Per the spec, Enums are required to have one instance field. The rest are statics.
int staticFieldCount = typeDef.GetFields().Count - 1;
string[] names = new string[staticFieldCount];
object[] values = new object[staticFieldCount];
int i = 0;
foreach (FieldDefinitionHandle fieldHandle in typeDef.GetFields())
{
FieldDefinition field = reader.GetFieldDefinition(fieldHandle);
if (0 != (field.Attributes & FieldAttributes.Static))
{
if (i >= staticFieldCount || (field.Attributes & FieldAttributes.HasDefault) != FieldAttributes.HasDefault)
{
throw new BadImageFormatException();
}
names[i] = reader.GetString(field.Name);
values[i] = field.GetDefaultValue().ParseConstantValue(reader);
i++;
}
}
bool isFlags = false;
foreach (CustomAttributeHandle cah in typeDef.GetCustomAttributes())
{
if (cah.IsCustomAttributeOfType(reader, "System", "FlagsAttribute"))
{
isFlags = true;
}
}
return(new EnumInfo(RuntimeAugments.GetEnumUnderlyingType(typeHandle), values, names, isFlags));
}
void CreateImportFor(string declaringTypeFullName, TypeDefinition type, CodeMemberMethod method, MetadataReader reader)
{
var typeName = reader.GetString(type.Name);
var srcClassRef = new CodeTypeReferenceExpression(
new CodeTypeReference($"{primary_name}.{typeName}", CodeTypeReferenceOptions.GlobalReference));
var dstClassRef = new CodeTypeReferenceExpression(
new CodeTypeReference($"{declaringTypeFullName}.{typeName}", CodeTypeReferenceOptions.GlobalReference));
foreach (var handle in type.GetFields())
{
var fieldName = reader.GetString(reader.GetFieldDefinition(handle).Name);
var dstField = new CodeFieldReferenceExpression(dstClassRef, fieldName);
var srcField = new CodeFieldReferenceExpression(srcClassRef, fieldName);
var fieldIdentifier = CreateIdentifier(typeName, fieldName);
if (!resourceFields.Contains(fieldIdentifier))
{
Log.LogDebugMessage($"Value not found for {fieldIdentifier}, skipping...");
continue;
}
// This simply assigns field regardless of whether it is int or int[].
method.Statements.Add(new CodeAssignStatement(dstField, srcField));
}
}
public void SimpleSignatureProviderCoverage()
{
using (FileStream stream = File.OpenRead(AssemblyPathHelper.GetAssemblyLocation(typeof(SignaturesToDecode <>).GetTypeInfo().Assembly)))
using (var peReader = new PEReader(stream))
{
MetadataReader reader = peReader.GetMetadataReader();
var provider = new DisassemblingTypeProvider();
TypeDefinitionHandle typeHandle = TestMetadataResolver.FindTestType(reader, typeof(SignaturesToDecode <>));
Assert.Equal("System.Reflection.Metadata.Decoding.Tests.SignatureDecoderTests/SignaturesToDecode`1", provider.GetTypeFromHandle(reader, genericContext: null, handle: typeHandle));
TypeDefinition type = reader.GetTypeDefinition(typeHandle);
Dictionary <string, string> expectedFields = GetExpectedFieldSignatures();
ImmutableArray <string> genericTypeParameters = type.GetGenericParameters().Select(h => reader.GetString(reader.GetGenericParameter(h).Name)).ToImmutableArray();
var genericTypeContext = new DisassemblingGenericContext(genericTypeParameters, ImmutableArray <string> .Empty);
foreach (var fieldHandle in type.GetFields())
{
FieldDefinition field = reader.GetFieldDefinition(fieldHandle);
string fieldName = reader.GetString(field.Name);
string expected;
Assert.True(expectedFields.TryGetValue(fieldName, out expected), "Unexpected field: " + fieldName);
Assert.Equal(expected, field.DecodeSignature(provider, genericTypeContext));
}
Dictionary <string, string> expectedMethods = GetExpectedMethodSignatures();
foreach (var methodHandle in type.GetMethods())
{
MethodDefinition method = reader.GetMethodDefinition(methodHandle);
ImmutableArray <string> genericMethodParameters = method.GetGenericParameters().Select(h => reader.GetString(reader.GetGenericParameter(h).Name)).ToImmutableArray();
var genericMethodContext = new DisassemblingGenericContext(genericTypeParameters, genericMethodParameters);
string methodName = reader.GetString(method.Name);
string expected;
Assert.True(expectedMethods.TryGetValue(methodName, out expected), "Unexpected method: " + methodName);
MethodSignature <string> signature = method.DecodeSignature(provider, genericMethodContext);
Assert.True(signature.Header.Kind == SignatureKind.Method);
if (methodName.StartsWith("Generic"))
{
Assert.Equal(1, signature.GenericParameterCount);
}
else
{
Assert.Equal(0, signature.GenericParameterCount);
}
Assert.True(signature.GenericParameterCount <= 1 && (methodName != "GenericMethodParameter" || signature.GenericParameterCount == 1));
Assert.Equal(expected, provider.GetFunctionPointerType(signature));
}
Dictionary <string, string> expectedProperties = GetExpectedPropertySignatures();
foreach (var propertyHandle in type.GetProperties())
{
PropertyDefinition property = reader.GetPropertyDefinition(propertyHandle);
string propertyName = reader.GetString(property.Name);
string expected;
Assert.True(expectedProperties.TryGetValue(propertyName, out expected), "Unexpected property: " + propertyName);
MethodSignature <string> signature = property.DecodeSignature(provider, genericTypeContext);
Assert.True(signature.Header.Kind == SignatureKind.Property);
Assert.Equal(expected, provider.GetFunctionPointerType(signature));
}
Dictionary <string, string> expectedEvents = GetExpectedEventSignatures();
foreach (var eventHandle in type.GetEvents())
{
EventDefinition @event = reader.GetEventDefinition(eventHandle);
string eventName = reader.GetString(@event.Name);
string expected;
Assert.True(expectedEvents.TryGetValue(eventName, out expected), "Unexpected event: " + eventName);
Assert.Equal(expected, provider.GetTypeFromHandle(reader, genericTypeContext, @event.Type));
}
Assert.Equal($"[{CollectionsAssemblyName}]System.Collections.Generic.List`1<!T>", provider.GetTypeFromHandle(reader, genericTypeContext, handle: type.BaseType));
}
}
/// <summary>
/// Field Table Columns:
/// Name (offset to #String)
/// Flags (2 byte unsigned)
/// Signature (offset to #blob)
/// </summary>
private void ValidateFieldDef(MetadataReader reader, uint startIndex, uint count, bool isMod = false)
{
if (count == 0)
{
return;
}
// APPCS
var expNames = new string[] { "AppField01", "AppField02" };
var expFlags = new FieldAttributes[]
{
/*0x11*/
FieldAttributes.Private | FieldAttributes.Static,
/*0x01*/ FieldAttributes.Private,
};
var expSigs = new byte[][] { new byte[] { 0x06, 0x12, 0x11 }, new byte[] { 0x06, 0x12, 0x25 }, };
// =====================================================================================================
// VB Module - 8
var modNames = new string[] { "ConstString", "ArrayField", "AnEventEvent", "value__", "None", "Red", "Yellow", "Blue", };
var modFlags = new FieldAttributes[]
{
/* 0x8053 */
FieldAttributes.HasDefault | FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.FamANDAssem | FieldAttributes.Private,
/* 0x0016 */ FieldAttributes.Static | FieldAttributes.Family | FieldAttributes.FamANDAssem,
/* 0x0001 */ FieldAttributes.Private,
/* 0x0606 */ FieldAttributes.RTSpecialName | FieldAttributes.SpecialName | FieldAttributes.Family | FieldAttributes.FamANDAssem,
/* 0x8056 */ FieldAttributes.HasDefault | FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Family | FieldAttributes.FamANDAssem,
/* 0x8056 */ FieldAttributes.HasDefault | FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Family | FieldAttributes.FamANDAssem,
/* 0x8056 */ FieldAttributes.HasDefault | FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Family | FieldAttributes.FamANDAssem,
/* 0x8056 */ FieldAttributes.HasDefault | FieldAttributes.Literal | FieldAttributes.Static | FieldAttributes.Family | FieldAttributes.FamANDAssem,
};
var modSigs = new byte[][]
{
new byte[] { 0x06, 0x0e }, new byte[] { 0x06, 0x14, 0x11, 0x14, 02, 00, 02, 00, 00 },
new byte[] { 0x06, 0x12, 0x18 }, new byte[] { 0x06, 0x08 },
new byte[] { 0x06, 0x11, 0x10 }, new byte[] { 0x06, 0x11, 0x10 },
new byte[] { 0x06, 0x11, 0x10 }, new byte[] { 0x06, 0x11, 0x10 },
};
if (startIndex > reader.FieldTable.NumberOfRows)
{
return;
}
uint zeroBased = startIndex - 1;
uint delta = count;
// Last one
if (0xF0000000 == count)
{
delta = (uint)reader.FieldTable.NumberOfRows - zeroBased;
if (0 == delta)
{
return;
}
}
Assert.InRange((uint)reader.FieldTable.NumberOfRows, zeroBased + delta, uint.MaxValue); // 1 based
for (uint i = zeroBased; i < zeroBased + delta; i++)
{
var handle = FieldDefinitionHandle.FromRowId((int)(i + 1));
var row = reader.GetFieldDefinition(handle);
if (isMod)
{
Assert.Equal(modNames[i], reader.GetString(row.Name));
Assert.Equal(modFlags[i], row.Attributes);
}
else
{
Assert.Equal(expNames[i], reader.GetString(row.Name));
Assert.Equal(expFlags[i], row.Attributes);
}
var sig = reader.GetBlobBytes(row.Signature);
// calling convention, always 6 for field
Assert.Equal(sig[0], 6);
int len = 0;
if (isMod)
{
len = modSigs[i].Length;
}
else
{
len = expSigs[i].Length;
}
for (int j = 1; j < len; j++)
{
if (isMod)
{
Assert.Equal(modSigs[i][j], sig[j]);
}
else
{
Assert.Equal(expSigs[i][j], sig[j]);
}
}
}
}
public override bool HasCustomAttribute(string attributeNamespace, string attributeName)
{
return(MetadataReader.HasCustomAttribute(MetadataReader.GetFieldDefinition(_handle).GetCustomAttributes(),
attributeNamespace, attributeName));
}
public static StringHandle[] GetFieldDefNames(this MetadataReader reader)
{
return(reader.FieldDefinitions.Select(handle => reader.GetFieldDefinition(handle).Name).ToArray());
}
public override string GetEntityName(PEFile module, EntityHandle handle, bool fullName)
{
MetadataReader metadata = module.Metadata;
switch (handle.Kind)
{
case HandleKind.TypeDefinition:
return(ToCSharpString(metadata, (TypeDefinitionHandle)handle, fullName));
case HandleKind.FieldDefinition:
var fd = metadata.GetFieldDefinition((FieldDefinitionHandle)handle);
var declaringType = fd.GetDeclaringType();
if (fullName)
{
return(ToCSharpString(metadata, declaringType, fullName) + "." + metadata.GetString(fd.Name));
}
return(metadata.GetString(fd.Name));
case HandleKind.MethodDefinition:
var md = metadata.GetMethodDefinition((MethodDefinitionHandle)handle);
declaringType = md.GetDeclaringType();
string methodName = metadata.GetString(md.Name);
switch (methodName)
{
case ".ctor":
case ".cctor":
var td = metadata.GetTypeDefinition(declaringType);
methodName = ReflectionHelper.SplitTypeParameterCountFromReflectionName(metadata.GetString(td.Name));
break;
case "Finalize":
const MethodAttributes finalizerAttributes = (MethodAttributes.Virtual | MethodAttributes.Family | MethodAttributes.HideBySig);
if ((md.Attributes & finalizerAttributes) != finalizerAttributes)
{
goto default;
}
MethodSignature <IType> methodSignature = md.DecodeSignature(MetadataExtensions.MinimalSignatureTypeProvider, default);
if (methodSignature.GenericParameterCount != 0 || methodSignature.ParameterTypes.Length != 0)
{
goto default;
}
td = metadata.GetTypeDefinition(declaringType);
methodName = "~" + ReflectionHelper.SplitTypeParameterCountFromReflectionName(metadata.GetString(td.Name));
break;
default:
var genericParams = md.GetGenericParameters();
if (genericParams.Count > 0)
{
methodName += "<";
int i = 0;
foreach (var h in genericParams)
{
if (i > 0)
{
methodName += ",";
}
var gp = metadata.GetGenericParameter(h);
methodName += metadata.GetString(gp.Name);
}
methodName += ">";
}
break;
}
if (fullName)
{
return(ToCSharpString(metadata, declaringType, fullName) + "." + methodName);
}
return(methodName);
case HandleKind.EventDefinition:
var ed = metadata.GetEventDefinition((EventDefinitionHandle)handle);
declaringType = metadata.GetMethodDefinition(ed.GetAccessors().GetAny()).GetDeclaringType();
if (fullName)
{
return(ToCSharpString(metadata, declaringType, fullName) + "." + metadata.GetString(ed.Name));
}
return(metadata.GetString(ed.Name));
case HandleKind.PropertyDefinition:
var pd = metadata.GetPropertyDefinition((PropertyDefinitionHandle)handle);
declaringType = metadata.GetMethodDefinition(pd.GetAccessors().GetAny()).GetDeclaringType();
if (fullName)
{
return(ToCSharpString(metadata, declaringType, fullName) + "." + metadata.GetString(pd.Name));
}
return(metadata.GetString(pd.Name));
default:
return(null);
}
}
private static string GetFieldInformation(MetadataReader metadataReader, int intOperand, CilTypeProvider provider)
{
if(IsMemberReference(intOperand))
{
return GetMemberRef(metadataReader, intOperand, provider);
}
var handle = MetadataTokens.FieldDefinitionHandle(intOperand);
var definition = metadataReader.GetFieldDefinition(handle);
var typeHandle = definition.GetDeclaringType();
var typeSignature = SignatureDecoder.DecodeType(typeHandle, provider, null);
var signature = SignatureDecoder.DecodeFieldSignature(definition.Signature, provider);
return String.Format("{0} {1}::{2}", signature.ToString(), typeSignature.ToString(false), GetString(metadataReader, definition.Name));
}
