feat(builtins): dir

Author: litlighilit

src/pylib/builtins.nim

@@ -4,4 +4,5 @@ import ./private/trans_imp
 impExp builtins,
   input, print, mathfunc, complex, misc, oopFuncs, attr,
   iters, iter_next, min_max, format, numTypes, str_byte,
-  pyrange, pyslice, list, dict, set, pytuple, pyhashes
+  pyrange, pyslice, list, dict, set, pytuple, pyhashes,
+  dirImpl

src/pylib/builtins/dirImpl.nim

@@ -0,0 +1,19 @@
+
+import ../pystring/strimpl
+import ./list
+
+using o: object|tuple|ref object
+template fieldPairs[T](r: ref T): untyped = r[].fieldPairs
+
+iterator dirImpl*(o): string =
+  for i, _ in o.fieldPairs: yield i
+
+iterator dir*(o): PyStr =
+  for i in o.dirImpl: yield i
+
+proc dirImpl*(o): seq[string] =
+  for i in o.dirImpl: result.add i
+
+proc dir*(o): PyList[PyStr] =
+  result = list[PyStr]()
+  for i in o.dir: result.append i