[clang-tools-extra] r294491 - [clang-tidy] Add -extra-arg and -extra-arg-before to clang-tidy-diff.py

[Ehsan Akhgari via cfe-commits]

Author: ehsan
Date: Wed Feb  8 11:50:24 2017
New Revision: 294491

URL: http://llvm.org/viewvc/llvm-project?rev=294491&view=rev
Log:
[clang-tidy] Add -extra-arg and -extra-arg-before to clang-tidy-diff.py

Summary:
These flags allow specifying extra arguments to the tool's command
line which don't appear in the compilation database.

Reviewers: alexfh, klimek, bkramer

Subscribers: JDevlieghere, cfe-commits

Differential Revision: https://reviews.llvm.org/D29699

Modified:
    clang-tools-extra/trunk/clang-tidy/tool/clang-tidy-diff.py

Modified: clang-tools-extra/trunk/clang-tidy/tool/clang-tidy-diff.py
URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clang-tidy/tool/clang-tidy-diff.py?rev=294491&r1=294490&r2=294491&view=diff
==============================================================================
--- clang-tools-extra/trunk/clang-tidy/tool/clang-tidy-diff.py (original)
+++ clang-tools-extra/trunk/clang-tidy/tool/clang-tidy-diff.py Wed Feb  8 11:50:24 2017
@@ -55,6 +55,14 @@ def main():
                       help='checks filter, when not specified, use clang-tidy '
                       'default',
                       default='')
+  parser.add_argument('-extra-arg', dest='extra_arg',
+                      action='append', default=[],
+                      help='Additional argument to append to the compiler '
+                      'command line.')
+  parser.add_argument('-extra-arg-before', dest='extra_arg_before',
+                      action='append', default=[],
+                      help='Additional argument to prepend to the compiler '
+                      'command line.')
   clang_tidy_args = []
   argv = sys.argv[1:]
   if '--' in argv:
@@ -113,6 +121,10 @@ def main():
   if args.checks != '':
     command.append('-checks=' + quote + args.checks + quote)
   command.extend(lines_by_file.keys())
+  for arg in args.extra_arg:
+      command.append('-extra-arg=%s' % arg)
+  for arg in args.extra_arg_before:
+      command.append('-extra-arg-before=%s' % arg)
   command.extend(clang_tidy_args)
 
   sys.exit(subprocess.call(' '.join(command), shell=True))