Merge pull request #108 from bwrsandman/clang-on-windows

Fix line filter on for clang compiler on windows

post/clang_tidy_review/clang_tidy_review/__init__.py

@@ -1032,9 +1032,14 @@ def get_line_ranges(diff, files):
 
     line_filter_json = []
     for name, lines in lines_by_file.items():
-        # On windows, unidiff has forward slashes but clang-tidy expects backslashes
-        name = os.path.join(*name.split("/"))
         line_filter_json.append({"name": name, "lines": lines})
+        # On windows, unidiff has forward slashes but cl.exe expects backslashes.
+        # However, clang.exe on windows expects forward slashes.
+        # Adding a copy of the line filters with backslashes allows for both cl.exe and clang.exe to work.
+        if os.path.sep == "\\":
+            # Converts name to backslashes for the cl.exe line filter.
+            name = os.path.join(*name.split("/"))
+            line_filter_json.append({"name": name, "lines": lines})
     return json.dumps(line_filter_json, separators=(",", ":"))