public static IntPtr ProtocolWitnessTableFromFile(string dylibFile, string conformanceIdentifier, SwiftMetatype metadata)
{
using (var dylib = new DynamicLib(dylibFile, DLOpenMode.Now)) {
var descriptor = dylib.FindSymbolAddress(conformanceIdentifier);
if (descriptor == IntPtr.Zero)
{
throw new SwiftRuntimeException($"Unable to find swift protocol conformance descriptor {conformanceIdentifier} in file {dylib}");
}
return(swift_getWitnessTable(descriptor, metadata, IntPtr.Zero));
}
}
internal static SwiftMetatype?FromDylib(DynamicLib dylib, string metaDescName, int offset)
{
var meta = dylib.FindSymbolAddress(metaDescName);
if (meta == IntPtr.Zero)
{
return(null);
}
return(new SwiftMetatype(meta + offset));
}
internal static SwiftMetatype?FromDylib(string pathName, DLOpenMode openMode, string metaDescName)
{
using (DynamicLib dylib = new DynamicLib(pathName, openMode)) {
return(FromDylib(dylib, metaDescName));
}
}
internal static SwiftMetatype?FromDylib(DynamicLib dylib, string metaDescName)
{
return(FromDylib(dylib, metaDescName, 0));
}
