1 files changed, 49 insertions, 0 deletions
diff --git a/circuitpython/ports/raspberrypi/sdk/tools/check_doxygen_groups.py b/circuitpython/ports/raspberrypi/sdk/tools/check_doxygen_groups.py
new file mode 100755
index 0000000..bbcd9f5
--- /dev/null
+++ b/circuitpython/ports/raspberrypi/sdk/tools/check_doxygen_groups.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+#
+# Copyright (c) 2021 Raspberry Pi (Trading) Ltd.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+# Little script to check that every \ingroup has a matching \defgroup
+#
+# Usage:
+#
+# Run from the root of the tree to check
+
+
+import subprocess
+import re
+import sys
+import os
+
+groups = {}
+any_errors = False
+
+res = subprocess.run(['git', 'grep', '\\defgroup'], check=True, stdout=subprocess.PIPE)
+for line in res.stdout.decode('utf8').split('\n'):
+    m = re.match(r'^(\S+):.*\\defgroup\s+(\w+)', line)
+    if m:
+        filename = m.group(1)
+        group = m.group(2)
+        if os.path.basename(filename) in ('check_doxygen_groups.py', 'index.h'):
+            continue
+        if group in groups:
+            any_errors = True
+            print("{} uses \\defgroup {} but so does {}".format(groups[group], group, filename))
+        else:
+            groups[group] = filename
+
+res = subprocess.run(['git', 'grep', '\\ingroup'], check=True, stdout=subprocess.PIPE)
+for line in res.stdout.decode('utf8').split('\n'):
+    m = re.match(r'^(\S+):.*\\ingroup\s+(\w+)', line)
+    if m:
+        filename = m.group(1)
+        group = m.group(2)
+        if os.path.basename(filename) in ('check_doxygen_groups.py', 'index.h'):
+            continue
+        if group not in groups:
+            any_errors = True
+            print("{} uses \\ingroup {} which was never defined".format(filename, group))
+
+sys.exit(any_errors)