Path transformer: handle Windows-style paths

Author: d10c

python/extractor/semmle/projectlayout.py

@@ -12,12 +12,16 @@
 import re
 from functools import total_ordering
 import sys
+from pathlib import PureWindowsPath
+import os
 
 def get_renamer(filename, logger):
     layout = load(filename, logger)
     def rename(path):
         renamed = layout.artificial_path(path)
         return path if renamed is None else renamed
+    if os.name == "nt":
+        return lambda path: rename(PureWindowsPath(path).as_posix())
     return rename
 
 def load(filename, logger):