public static ModuleInventory FromFiles(IEnumerable <string> pathsToLibraryFiles, ErrorHandling errors)
{
ModuleInventory inventory = null;
foreach (string path in pathsToLibraryFiles)
{
if (inventory == null)
{
inventory = new ModuleInventory();
}
using (FileStream stm = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read)) {
FromStreamInto(stm, inventory, errors, path);
}
}
return(inventory);
}
public static ModuleInventory FromStream(Stream stm, ErrorHandling errors, string fileName = null)
{
ModuleInventory inventory = new ModuleInventory();
return(FromStreamInto(stm, inventory, errors, fileName));
}
static ModuleInventory FromStreamInto(Stream stm, ModuleInventory inventory,
ErrorHandling errors, string fileName = null)
{
Ex.ThrowOnNull(errors, "errors");
Ex.ThrowOnNull(stm, "stm");
OffsetStream osstm = null;
List <NListEntry> entries = null;
try {
List <MachOFile> macho = MachO.Read(stm, null).ToList();
MachOFile file = macho [0];
List <SymTabLoadCommand> symbols = file.load_commands.OfType <SymTabLoadCommand> ().ToList();
NListEntryType nlet = symbols [0].nlist [0].EntryType;
entries = symbols [0].nlist.
Where((nle, i) => nle.IsPublic && nle.EntryType == NListEntryType.InSection).ToList();
inventory.Architecture = file.Architecture;
osstm = new OffsetStream(stm, file.StartOffset);
} catch (Exception e) {
errors.Add(ErrorHelper.CreateError(ReflectorError.kCantHappenBase + 58, e, "Unable to retrieve functions from {0}: {1}",
fileName ?? "stream", e.Message));
return(inventory);
}
bool isOldVersion = IsOldVersion(entries);
foreach (var entry in entries)
{
if (!entry.IsSwiftEntryPoint())
{
continue;
}
TLDefinition def = null;
try {
def = Decomposer.Decompose(entry.str, isOldVersion, Offset(entry));
} catch (RuntimeException e) {
var except = new RuntimeException(e.Code, false, e, $"error decomposing {entry.str}: {e.Message}, skipping");
errors.Add(except);
}
catch (Exception e) {
var except = new RuntimeException(ReflectorError.kDecomposeBase + 0, false, e, $"unexpected error handling {entry.str}: {e.Message}, skipping.");
errors.Add(except);
}
if (def != null)
{
// this skips over privatized names
var tlf = def as TLFunction;
if (tlf != null && tlf.Name != null && tlf.Name.Name.Contains("..."))
{
continue;
}
try {
inventory.Add(def, osstm);
} catch (RuntimeException e) {
e = new RuntimeException(e.Code, e.Error, $"error dispensing top level definition of type {def.GetType ().Name} decomposed from {entry.str}: {e.Message}");
errors.Add(e);
}
}
else
{
var ex = ErrorHelper.CreateWarning(ReflectorError.kInventoryBase + 18, $"entry {entry.str} uses an unsupported swift feature, skipping.");
errors.Add(ex);
}
}
return(inventory);
}