1 files changed, 48 insertions, 0 deletions
diff --git a/scripts/detect_missing_analyse_text.py b/scripts/detect_missing_analyse_text.py
new file mode 100644
index 0000000..c377b0b
--- /dev/null
+++ b/scripts/detect_missing_analyse_text.py
@@ -0,0 +1,48 @@
+"""
+    detect_missing_analyse_text
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+    :copyright: Copyright 2006-2022 by the Pygments team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+
+import sys
+
+from pygments.lexers import get_all_lexers, find_lexer_class
+from pygments.lexer import Lexer
+
+import argparse
+
+
+def main(args):
+    uses = {}
+
+    for name, aliases, filenames, mimetypes in get_all_lexers(plugins=False):
+        cls = find_lexer_class(name)
+        if not cls.aliases and not args.skip_no_aliases:
+            print(cls, "has no aliases")
+        for f in filenames:
+            uses.setdefault(f, []).append(cls)
+
+    ret = 0
+    for k, v in uses.items():
+        if len(v) > 1:
+            # print("Multiple for", k, v)
+            for i in v:
+                if i.analyse_text is None:
+                    print(i, "has a None analyse_text")
+                    ret |= 1
+                elif Lexer.analyse_text.__doc__ == i.analyse_text.__doc__:
+                    print(i, "needs analyse_text, multiple lexers for", k)
+                    ret |= 2
+    return ret
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--skip-no-aliases',
+                        help='Skip checks for a lexer with no aliases',
+                        action='store_true',
+                        default=False)
+    args = parser.parse_args()
+    sys.exit(main(args))