internal SecurityCustomAttribute(SecurityAttribute containingSecurityAttribute, IMethodReference constructorReference, IMetadataNamedArgument[]/*?*/ namedArguments) {
this.ContainingSecurityAttribute = containingSecurityAttribute;
this.ConstructorReference = constructorReference;
this.NamedArguments = namedArguments;
}
internal SecurityAttributeDecoder20(PEFileToObjectModel peFileToObjectModel, MemoryReader signatureMemoryReader, SecurityAttribute securityAttribute)
: base(peFileToObjectModel, signatureMemoryReader) {
this.SecurityAttributes = Enumerable<ICustomAttribute>.Empty;
byte prolog = this.SignatureMemoryReader.ReadByte();
if (prolog != SerializationType.SecurityAttribute20Start) return;
int numberOfAttributes = this.SignatureMemoryReader.ReadCompressedUInt32();
var securityCustomAttributes = new ICustomAttribute[numberOfAttributes];
for (int i = 0; i < numberOfAttributes; ++i) {
var secAttr = this.ReadSecurityAttribute(securityAttribute);
if (secAttr == null) {
// MDError...
return;
}
securityCustomAttributes[i] = secAttr;
}
this.SecurityAttributes = IteratorHelper.GetReadonly(securityCustomAttributes);
}
SecurityCustomAttribute/*?*/ ReadSecurityAttribute(SecurityAttribute securityAttribute) {
string/*?*/ typeNameStr = this.GetSerializedString();
if (typeNameStr == null)
return null;
ITypeReference/*?*/ moduleTypeReference = this.PEFileToObjectModel.GetSerializedTypeNameAsTypeReference(typeNameStr);
if (moduleTypeReference == null)
return null;
IMethodReference ctorReference = Dummy.MethodReference;
ITypeDefinition attributeType = moduleTypeReference.ResolvedType;
if (!(attributeType is Dummy)) {
foreach (ITypeDefinitionMember member in attributeType.GetMembersNamed(this.PEFileToObjectModel.NameTable.Ctor, false)) {
IMethodDefinition/*?*/ method = member as IMethodDefinition;
if (method == null) continue;
if (!IteratorHelper.EnumerableHasLength(method.Parameters, 1)) continue;
//TODO: check that parameter has the right type
ctorReference = method;
break;
}
} else {
int ctorKey = this.PEFileToObjectModel.NameTable.Ctor.UniqueKey;
foreach (ITypeMemberReference mref in this.PEFileToObjectModel.GetMemberReferences()) {
IMethodReference/*?*/ methRef = mref as IMethodReference;
if (methRef == null) continue;
if (methRef.ContainingType.InternedKey != moduleTypeReference.InternedKey) continue;
if (methRef.Name.UniqueKey != ctorKey) continue;
if (!IteratorHelper.EnumerableHasLength(methRef.Parameters, 1)) continue;
//TODO: check that parameter has the right type
ctorReference = methRef;
break;
}
}
if (ctorReference is Dummy) {
ctorReference = new MethodReference(this.PEFileToObjectModel.ModuleReader.metadataReaderHost, moduleTypeReference,
CallingConvention.Default|CallingConvention.HasThis, this.PEFileToObjectModel.PlatformType.SystemVoid,
this.PEFileToObjectModel.NameTable.Ctor, 0, this.PEFileToObjectModel.PlatformType.SystemSecurityPermissionsSecurityAction);
}
this.SignatureMemoryReader.ReadCompressedUInt32(); // BlobSize...
int numOfNamedArgs = this.SignatureMemoryReader.ReadCompressedUInt32();
FieldOrPropertyNamedArgumentExpression[]/*?*/ namedArgumentArray = null;
if (numOfNamedArgs > 0) {
namedArgumentArray = new FieldOrPropertyNamedArgumentExpression[numOfNamedArgs];
for (int i = 0; i < numOfNamedArgs; ++i) {
bool isField = this.SignatureMemoryReader.ReadByte() == SerializationType.Field;
ITypeReference/*?*/ memberType = this.GetFieldOrPropType();
if (memberType == null)
return null;
string/*?*/ memberStr = this.GetSerializedString();
if (memberStr == null)
return null;
IName memberName = this.PEFileToObjectModel.NameTable.GetNameFor(memberStr);
ExpressionBase/*?*/ value = this.ReadSerializedValue(memberType);
if (value == null)
return null;
namedArgumentArray[i] = new FieldOrPropertyNamedArgumentExpression(memberName, moduleTypeReference, isField, memberType, value);
}
}
return new SecurityCustomAttribute(securityAttribute, ctorReference, namedArgumentArray);
}
internal IEnumerable<ICustomAttribute> GetSecurityAttributeData(SecurityAttribute securityAttribute) {
DeclSecurityRow declSecurity = this.PEFileReader.DeclSecurityTable[securityAttribute.DeclSecurityRowId];
// TODO: Check is securityAttribute.Value is within the range
MemoryBlock signatureMemoryBlock = this.PEFileReader.BlobStream.GetMemoryBlockAt(declSecurity.PermissionSet);
// TODO: Error checking enough space in signature memoryBlock.
MemoryReader memoryReader = new MemoryReader(signatureMemoryBlock);
// TODO: 1.0 etc later on...
this.ModuleReader.metadataReaderHost.StartGuessingGame();
SecurityAttributeDecoder20 securityAttrDecoder = new SecurityAttributeDecoder20(this, memoryReader, securityAttribute);
while (securityAttrDecoder.decodeFailed && this.ModuleReader.metadataReaderHost.TryNextPermutation())
securityAttrDecoder = new SecurityAttributeDecoder20(this, memoryReader, securityAttribute);
if (!securityAttrDecoder.decodeFailed)
this.ModuleReader.metadataReaderHost.WinGuessingGame();
//else
//TODO: error
return securityAttrDecoder.SecurityAttributes;
}
internal SecurityCustomAttribute(
SecurityAttribute containingSecurityAttribute,
IMethodReference constructorReference,
EnumerableArrayWrapper<ExpressionBase, IMetadataExpression> arguments,
EnumerableArrayWrapper<FieldOrPropertyNamedArgumentExpression, IMetadataNamedArgument> namedArguments
)
{
this.ContainingSecurityAttribute = containingSecurityAttribute;
this.ConstructorReference = constructorReference;
this.Arguments = arguments;
this.NamedArguments = namedArguments;
}
//^ [NotDelayed]
internal SecurityAttributeDecoder20(
PEFileToObjectModel peFileToObjectModel,
MemoryReader signatureMemoryReader,
SecurityAttribute securityAttribute
)
: base(peFileToObjectModel, signatureMemoryReader) {
//^ this.SignatureMemoryReader = signatureMemoryReader; //TODO: Spec# bug. This assignment should not be necessary.
this.SecurityAttributes = TypeCache.EmptySecurityAttributes;
//^ base;
byte prolog = this.SignatureMemoryReader.ReadByte();
if (prolog != SerializationType.SecurityAttribute20Start) {
return;
}
int numberOfAttributes = this.SignatureMemoryReader.ReadCompressedUInt32();
SecurityCustomAttribute[] securityCustomAttributes = new SecurityCustomAttribute[numberOfAttributes];
for (int i = 0; i < numberOfAttributes; ++i) {
SecurityCustomAttribute/*?*/ secAttr = this.ReadSecurityAttribute(securityAttribute);
if (secAttr == null) {
// MDError...
return;
}
securityCustomAttributes[i] = secAttr;
}
//^ NonNullType.AssertInitialized(securityCustomAttributes);
this.SecurityAttributes = new EnumerableArrayWrapper<SecurityCustomAttribute, ICustomAttribute>(securityCustomAttributes, Dummy.CustomAttribute);
}