public DynamicLib(string fileName, DLOpenMode flags)
{
if (fileName == null)
{
throw new ArgumentNullException(nameof(fileName));
}
if (flags == DLOpenMode.None)
{
throw new ArgumentOutOfRangeException(nameof(flags));
}
string selfPath = Path.GetDirectoryName(typeof(DynamicLib).Assembly.Location);
string [] possibleFiles = new string [] {
fileName,
Path.Combine(selfPath, Path.Combine($"Frameworks/{fileName}.framework/{fileName}"))
};
var sb = new StringBuilder();
foreach (string file in possibleFiles)
{
FileName = file;
handle = DLOpen(file, flags);
if (handle == IntPtr.Zero)
{
sb.Append('\n');
sb.Append($"+{file} {(File.Exists (file) ? "(exists)" : " (does not exist)")}");
string err = DLError;
if (err != null)
{
sb.Append(": ");
sb.Append(err);
}
}
else
{
break;
}
}
if (handle == IntPtr.Zero)
{
string sbbuff = sb.ToString();
throw new ArgumentException($"Unable to load library {fileName}:{sbbuff}", nameof(fileName));
}
}
static extern IntPtr DLOpen([MarshalAs(UnmanagedType.LPStr)] string file, DLOpenMode flags);
internal static IntPtr ProtocolWitnessTableFromDylibFile(string path, DLOpenMode mode, string witnessSymbolName)
{
using (DynamicLib lib = new DynamicLib(path, mode)) {
return(ProtocolWitnessTableFromDylib(lib, witnessSymbolName));
}
}
internal static SwiftValueWitnessTable FromDylibFile(string path, DLOpenMode mode, string witnessSymbolName)
{
using (DynamicLib lib = new DynamicLib(path, mode)) {
return(FromDylib(lib, witnessSymbolName));
}
}
internal static SwiftMetatype?FromDylib(string pathName, DLOpenMode openMode, string metaDescName)
{
using (DynamicLib dylib = new DynamicLib(pathName, openMode)) {
return(FromDylib(dylib, metaDescName));
}
}
internal static SwiftNominalTypeDescriptor?FromDylibFile(string pathName, DLOpenMode openMode, string nomDescSymbolName)
{
using (DynamicLib dylib = new DynamicLib(pathName, openMode)) {
return(FromDylib(dylib, nomDescSymbolName));
}
}
public static NominalSizeStride FromDylibFile(string file, DLOpenMode mode, string witnessTableName)
{
using (DynamicLib lib = new DynamicLib(file, mode)) {
return(FromDylib(lib, witnessTableName));
}
}