public InteropSignatureTransform(GlobalNamespaceProvider provider, Logger logger)
{
this.provider = provider;
this.logger = logger;
returnTypeOverrides = new Dictionary <string, SignatureInteropTypeOverride>
{
{
provider.GetTypeName(WellKnownName.Result),
TypeRegistry.Int32
},
{
provider.GetTypeName(WellKnownName.PointerSize),
TypeRegistry.VoidPtr
}
};
const InteropMethodSignatureFlags castToNativeLong = InteropMethodSignatureFlags.CastToNativeLong;
const InteropMethodSignatureFlags castToNativeULong = InteropMethodSignatureFlags.CastToNativeULong;
windowsOnlyReturnTypeOverrides = new Dictionary <string, SignatureInteropTypeOverride>
{
{
provider.GetTypeName(WellKnownName.NativeLong),
new SignatureInteropTypeOverride(TypeRegistry.Int32, castToNativeLong)
},
{
provider.GetTypeName(WellKnownName.NativeULong),
new SignatureInteropTypeOverride(TypeRegistry.UInt32, castToNativeULong)
}
};
systemvOnlyReturnTypeOverrides = new Dictionary <string, SignatureInteropTypeOverride>
{
{
provider.GetTypeName(WellKnownName.NativeLong),
new SignatureInteropTypeOverride(TypeRegistry.IntPtr, castToNativeLong)
},
{
provider.GetTypeName(WellKnownName.NativeULong),
new SignatureInteropTypeOverride(TypeRegistry.UIntPtr, castToNativeULong)
}
};
}
private InteropType GetInteropTypeForReturnValue(CsReturnValue returnValue,
PlatformDetectionType platform,
ref InteropMethodSignatureFlags flags)
{
var platformSpecificReturnTypeOverrides = (platform & PlatformDetectionType.Windows) != 0
? windowsOnlyReturnTypeOverrides
: systemvOnlyReturnTypeOverrides;
// Handle Return Type parameter
// MarshalType.Type == null, then check that it is a structure
if (returnValue.PublicType is CsStruct or CsEnum)
{
var returnQualifiedName = returnValue.PublicType.QualifiedName;
if (returnTypeOverrides.TryGetValue(returnQualifiedName, out var interopType))
{
flags |= interopType.SetFlags;
return(interopType.NewType);
}
if (platformSpecificReturnTypeOverrides.TryGetValue(returnQualifiedName, out interopType))
{
flags |= interopType.SetFlags;
return(interopType.NewType);
}
return(returnValue.HasNativeValueType
? $"{returnValue.MarshalType.QualifiedName}.__Native"
: returnValue.MarshalType.QualifiedName);
}
if (returnValue.MarshalType is CsFundamentalType fundamentalReturn)
{
return(fundamentalReturn);
}
if (returnValue.HasPointer)
{
return(returnValue.IsInterface ? TypeRegistry.IntPtr : TypeRegistry.VoidPtr);
}
return(null);
}
public InteropSignatureTransform(Ioc ioc)
{
this.ioc = ioc ?? throw new ArgumentNullException(nameof(ioc));
returnTypeOverrides = new Dictionary <string, SignatureInteropTypeOverride>
{
{
Provider.GetTypeName(WellKnownName.Result),
TypeRegistry.Int32
},
{
Provider.GetTypeName(WellKnownName.PointerSize),
TypeRegistry.VoidPtr
}
};
const InteropMethodSignatureFlags castToNativeLong = InteropMethodSignatureFlags.CastToNativeLong;
const InteropMethodSignatureFlags castToNativeULong = InteropMethodSignatureFlags.CastToNativeULong;
windowsOnlyReturnTypeOverrides = new Dictionary <string, SignatureInteropTypeOverride>
{
{
Provider.GetTypeName(WellKnownName.NativeLong),
new SignatureInteropTypeOverride(TypeRegistry.Int32, castToNativeLong)
},
{
Provider.GetTypeName(WellKnownName.NativeULong),
new SignatureInteropTypeOverride(TypeRegistry.UInt32, castToNativeULong)
}
};
systemvOnlyReturnTypeOverrides = new Dictionary <string, SignatureInteropTypeOverride>
{
{
Provider.GetTypeName(WellKnownName.NativeLong),
new SignatureInteropTypeOverride(TypeRegistry.IntPtr, castToNativeLong)
},
{
Provider.GetTypeName(WellKnownName.NativeULong),
new SignatureInteropTypeOverride(TypeRegistry.UIntPtr, castToNativeULong)
}
};
}
private void InitSignatureWithReturnType(CsCallable callable,
InteropMethodSignature cSharpInteropCalliSignature,
PlatformDetectionType platform)
{
InteropMethodSignatureFlags flags = default;
var returnType = GetInteropTypeForReturnValue(callable.ReturnValue, platform, ref flags);
if (returnType == null)
{
logger.Error(LoggingCodes.InvalidMethodReturnType, "Invalid return type {0} for method {1}",
callable.ReturnValue.PublicType.QualifiedName, callable.CppElement);
returnType = callable.ReturnValue.PublicType.QualifiedName;
}
if (flags != default)
{
cSharpInteropCalliSignature.Flags |= flags;
}
cSharpInteropCalliSignature.ReturnType = returnType;
}
