scripts/get_abi.py: add support for symbol search

Add support for searching symbols from Documentation/ABI using
regular expressions to match the symbols' names.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/21b2c48657dde112d5417dcd7e0aa7cd383b9a0a.1739182025.git.mchehab+huawei@kernel.org

1 files changed, 24 insertions, 0 deletions

diff --git a/scripts/get_abi.py b/scripts/get_abi.py
index bb17c54feeff..30439f21fdd0 100755
--- a/scripts/get_abi.py
+++ b/scripts/get_abi.py
@@ -85,6 +85,29 @@ class AbiValidate:
         parser.check_issues()
 
 
+class AbiSearch:
+    """Initialize an argparse subparser for ABI search"""
+
+    def __init__(self, subparsers):
+        """Initialize argparse subparsers"""
+
+        parser = subparsers.add_parser("search",
+                                       formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+                                       description="Search ABI using a regular expression")
+
+        parser.add_argument("expression",
+                            help="Case-insensitive search pattern for the ABI symbol")
+
+        parser.set_defaults(func=self.run)
+
+    def run(self, args):
+        """Run subparser"""
+
+        parser = AbiParser(args.dir, debug=args.debug)
+        parser.parse_abi()
+        parser.search_symbols(args.expression)
+
+
 def main():
     """Main program"""
 
@@ -97,6 +120,7 @@ def main():
 
     AbiRest(subparsers)
     AbiValidate(subparsers)
+    AbiSearch(subparsers)
 
     args = parser.parse_args()