private IAttribute ReadXmlSecurityAttribute(ref SRM.BlobReader reader, CustomAttributeTypedArgument <IType> securityAction)
{
string xml = reader.ReadUTF16(reader.RemainingBytes);
var b = new AttributeBuilder(module, KnownAttribute.PermissionSet);
b.AddFixedArg(securityAction);
b.AddNamedArg("XML", KnownTypeCode.String, xml);
return(b.Build());
}
public IEnumerable <IAttribute> GetAttributes()
{
var b = new AttributeListBuilder(module);
var metadata = module.metadata;
var typeDefinition = metadata.GetTypeDefinition(handle);
// SerializableAttribute
if ((typeDefinition.Attributes & TypeAttributes.Serializable) != 0)
{
b.Add(KnownAttribute.Serializable);
}
// ComImportAttribute
if ((typeDefinition.Attributes & TypeAttributes.Import) != 0)
{
b.Add(KnownAttribute.ComImport);
}
#region StructLayoutAttribute
LayoutKind layoutKind = LayoutKind.Auto;
switch (typeDefinition.Attributes & TypeAttributes.LayoutMask)
{
case TypeAttributes.SequentialLayout:
layoutKind = LayoutKind.Sequential;
break;
case TypeAttributes.ExplicitLayout:
layoutKind = LayoutKind.Explicit;
break;
}
CharSet charSet = CharSet.None;
switch (typeDefinition.Attributes & TypeAttributes.StringFormatMask)
{
case TypeAttributes.AnsiClass:
charSet = CharSet.Ansi;
break;
case TypeAttributes.AutoClass:
charSet = CharSet.Auto;
break;
case TypeAttributes.UnicodeClass:
charSet = CharSet.Unicode;
break;
}
var layout = typeDefinition.GetLayout();
LayoutKind defaultLayoutKind = Kind == TypeKind.Struct ? LayoutKind.Sequential : LayoutKind.Auto;
if (layoutKind != defaultLayoutKind || charSet != CharSet.Ansi || layout.PackingSize > 0 || layout.Size > 0)
{
var structLayout = new AttributeBuilder(module, KnownAttribute.StructLayout);
structLayout.AddFixedArg(
new TopLevelTypeName("System.Runtime.InteropServices", "LayoutKind"),
(int)layoutKind);
if (charSet != CharSet.Ansi)
{
var charSetType = Compilation.FindType(new TopLevelTypeName("System.Runtime.InteropServices", "CharSet"));
structLayout.AddNamedArg("CharSet", charSetType, (int)charSet);
}
if (layout.PackingSize > 0)
{
structLayout.AddNamedArg("Pack", KnownTypeCode.Int32, (int)layout.PackingSize);
}
if (layout.Size > 0)
{
structLayout.AddNamedArg("Size", KnownTypeCode.Int32, (int)layout.Size);
}
b.Add(structLayout.Build());
}
#endregion
b.Add(typeDefinition.GetCustomAttributes(), SymbolKind.TypeDefinition);
b.AddSecurityAttributes(typeDefinition.GetDeclarativeSecurityAttributes());
return(b.Build());
}
IAttribute ConvertMarshalInfo(SRM.BlobReader marshalInfo)
{
var b = new AttributeBuilder(module, KnownAttribute.MarshalAs);
IType unmanagedTypeType = module.Compilation.FindType(new TopLevelTypeName(InteropServices, nameof(UnmanagedType)));
int type = marshalInfo.ReadByte();
b.AddFixedArg(unmanagedTypeType, type);
int size;
switch (type)
{
case 0x1e: // FixedArray
if (!marshalInfo.TryReadCompressedInteger(out size))
{
size = 0;
}
b.AddNamedArg("SizeConst", KnownTypeCode.Int32, size);
if (marshalInfo.RemainingBytes > 0)
{
type = marshalInfo.ReadByte();
if (type != 0x66) // None
{
b.AddNamedArg("ArraySubType", unmanagedTypeType, type);
}
}
break;
case 0x1d: // SafeArray
if (marshalInfo.RemainingBytes > 0)
{
VarEnum varType = (VarEnum)marshalInfo.ReadByte();
if (varType != VarEnum.VT_EMPTY)
{
var varEnumType = new TopLevelTypeName(InteropServices, nameof(VarEnum));
b.AddNamedArg("SafeArraySubType", varEnumType, (int)varType);
}
}
break;
case 0x2a: // NATIVE_TYPE_ARRAY
if (marshalInfo.RemainingBytes > 0)
{
type = marshalInfo.ReadByte();
}
else
{
type = 0x66; // Cecil uses NativeType.None as default.
}
if (type != 0x50) // Max
{
b.AddNamedArg("ArraySubType", unmanagedTypeType, type);
}
int sizeParameterIndex = marshalInfo.TryReadCompressedInteger(out int value) ? value : -1;
size = marshalInfo.TryReadCompressedInteger(out value) ? value : -1;
int sizeParameterMultiplier = marshalInfo.TryReadCompressedInteger(out value) ? value : -1;
if (size >= 0)
{
b.AddNamedArg("SizeConst", KnownTypeCode.Int32, size);
}
if (sizeParameterMultiplier != 0 && sizeParameterIndex >= 0)
{
b.AddNamedArg("SizeParamIndex", KnownTypeCode.Int16, (short)sizeParameterIndex);
}
break;
case 0x2c: // CustomMarshaler
string guidValue = marshalInfo.ReadSerializedString();
string unmanagedType = marshalInfo.ReadSerializedString();
string managedType = marshalInfo.ReadSerializedString();
string cookie = marshalInfo.ReadSerializedString();
if (managedType != null)
{
b.AddNamedArg("MarshalType", KnownTypeCode.String, managedType);
}
if (!string.IsNullOrEmpty(cookie))
{
b.AddNamedArg("MarshalCookie", KnownTypeCode.String, cookie);
}
break;
case 0x17: // FixedSysString
b.AddNamedArg("SizeConst", KnownTypeCode.Int32, marshalInfo.ReadCompressedInteger());
break;
}
return(b.Build());
}
public IEnumerable <IAttribute> GetAttributes()
{
var b = new AttributeListBuilder(module);
var metadata = module.metadata;
var def = metadata.GetMethodDefinition(handle);
MethodImplAttributes implAttributes = def.ImplAttributes & ~MethodImplAttributes.CodeTypeMask;
#region DllImportAttribute
var info = def.GetImport();
if ((attributes & MethodAttributes.PinvokeImpl) == MethodAttributes.PinvokeImpl && !info.Module.IsNil)
{
var dllImport = new AttributeBuilder(module, KnownAttribute.DllImport);
dllImport.AddFixedArg(KnownTypeCode.String,
metadata.GetString(metadata.GetModuleReference(info.Module).Name));
var importAttrs = info.Attributes;
if ((importAttrs & MethodImportAttributes.BestFitMappingDisable) == MethodImportAttributes.BestFitMappingDisable)
{
dllImport.AddNamedArg("BestFitMapping", KnownTypeCode.Boolean, false);
}
if ((importAttrs & MethodImportAttributes.BestFitMappingEnable) == MethodImportAttributes.BestFitMappingEnable)
{
dllImport.AddNamedArg("BestFitMapping", KnownTypeCode.Boolean, true);
}
CallingConvention callingConvention;
switch (info.Attributes & MethodImportAttributes.CallingConventionMask)
{
case 0:
Debug.WriteLine($"P/Invoke calling convention not set on: {this}");
callingConvention = 0;
break;
case MethodImportAttributes.CallingConventionCDecl:
callingConvention = CallingConvention.Cdecl;
break;
case MethodImportAttributes.CallingConventionFastCall:
callingConvention = CallingConvention.FastCall;
break;
case MethodImportAttributes.CallingConventionStdCall:
callingConvention = CallingConvention.StdCall;
break;
case MethodImportAttributes.CallingConventionThisCall:
callingConvention = CallingConvention.ThisCall;
break;
case MethodImportAttributes.CallingConventionWinApi:
callingConvention = CallingConvention.Winapi;
break;
default:
throw new NotSupportedException("unknown calling convention");
}
if (callingConvention != CallingConvention.Winapi)
{
var callingConventionType = FindInteropType(nameof(CallingConvention));
dllImport.AddNamedArg("CallingConvention", callingConventionType, (int)callingConvention);
}
CharSet charSet = CharSet.None;
switch (info.Attributes & MethodImportAttributes.CharSetMask)
{
case MethodImportAttributes.CharSetAnsi:
charSet = CharSet.Ansi;
break;
case MethodImportAttributes.CharSetAuto:
charSet = CharSet.Auto;
break;
case MethodImportAttributes.CharSetUnicode:
charSet = CharSet.Unicode;
break;
}
if (charSet != CharSet.None)
{
var charSetType = FindInteropType(nameof(CharSet));
dllImport.AddNamedArg("CharSet", charSetType, (int)charSet);
}
if (!info.Name.IsNil && info.Name != def.Name)
{
dllImport.AddNamedArg("EntryPoint", KnownTypeCode.String, metadata.GetString(info.Name));
}
if ((info.Attributes & MethodImportAttributes.ExactSpelling) == MethodImportAttributes.ExactSpelling)
{
dllImport.AddNamedArg("ExactSpelling", KnownTypeCode.Boolean, true);
}
if ((implAttributes & MethodImplAttributes.PreserveSig) == MethodImplAttributes.PreserveSig)
{
implAttributes &= ~MethodImplAttributes.PreserveSig;
}
else
{
dllImport.AddNamedArg("PreserveSig", KnownTypeCode.Boolean, false);
}
if ((info.Attributes & MethodImportAttributes.SetLastError) == MethodImportAttributes.SetLastError)
{
dllImport.AddNamedArg("SetLastError", KnownTypeCode.Boolean, true);
}
if ((info.Attributes & MethodImportAttributes.ThrowOnUnmappableCharDisable) == MethodImportAttributes.ThrowOnUnmappableCharDisable)
{
dllImport.AddNamedArg("ThrowOnUnmappableChar", KnownTypeCode.Boolean, false);
}
if ((info.Attributes & MethodImportAttributes.ThrowOnUnmappableCharEnable) == MethodImportAttributes.ThrowOnUnmappableCharEnable)
{
dllImport.AddNamedArg("ThrowOnUnmappableChar", KnownTypeCode.Boolean, true);
}
b.Add(dllImport.Build());
}
#endregion
#region PreserveSigAttribute
if (implAttributes == MethodImplAttributes.PreserveSig)
{
b.Add(KnownAttribute.PreserveSig);
implAttributes = 0;
}
#endregion
#region MethodImplAttribute
if (implAttributes != 0)
{
b.Add(KnownAttribute.MethodImpl,
new TopLevelTypeName("System.Runtime.CompilerServices", nameof(MethodImplOptions)),
(int)implAttributes
);
}
#endregion
b.Add(def.GetCustomAttributes(), symbolKind);
b.AddSecurityAttributes(def.GetDeclarativeSecurityAttributes());
return(b.Build());
}
