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| 1 #!/usr/bin/env python |
| 2 # Copyright 2016 The Chromium Authors. All rights reserved. |
| 3 # Use of this source code is governed by a BSD-style license that can be |
| 4 # found in the LICENSE file. |
| 5 |
| 6 """Invokes the Clang static analysis command using arguments provided on the |
| 7 command line. |
| 8 """ |
| 9 |
| 10 import argparse |
| 11 import fnmatch |
| 12 import os |
| 13 import sys |
| 14 |
| 15 import wrapper_utils |
| 16 |
| 17 def run_command(command, args, env=os.environ): |
| 18 returncode, stderr = wrapper_utils.CaptureCommandStderr( |
| 19 wrapper_utils.CommandToRun([command] + args), env) |
| 20 sys.stderr.write(stderr) |
| 21 return returncode |
| 22 |
| 23 def main(): |
| 24 parser = argparse.ArgumentParser(description=__doc__) |
| 25 parser.add_argument('--clang-cc-path', |
| 26 help='Path to the clang compiler.', |
| 27 metavar='PATH') |
| 28 parser.add_argument('--clang-cxx-path', |
| 29 help='Path to the clang++ compiler', |
| 30 metavar='PATH') |
| 31 parser.add_argument('--analyzer', |
| 32 help='Path to the language-specific Clang analysis tool.', |
| 33 metavar='PATH') |
| 34 args, compile_args = parser.parse_known_args() |
| 35 |
| 36 is_cxx = False |
| 37 if args.clang_cxx_path != None: |
| 38 is_cxx = True |
| 39 |
| 40 command = None |
| 41 env = os.environ |
| 42 env['CCC_ANALYZER_FORCE_ANALYZE_DEBUG_CODE'] = '0' |
| 43 clang_path = None |
| 44 |
| 45 if args.clang_cc_path != None: |
| 46 env['CCC_CC'] = args.clang_cc_path |
| 47 env['CLANG'] = args.clang_cc_path |
| 48 clang_path = args.clang_cc_path |
| 49 if args.clang_cxx_path != None: |
| 50 env['CCC_CXX'] = args.clang_cxx_path |
| 51 env['CLANG'] = args.clang_cxx_path |
| 52 clang_path = args.clang_cc_path |
| 53 |
| 54 # Only one of CCC_CC or CCC_CXX must be set. |
| 55 assert (env.has_key('CCC_CC') or env.has_key('CCC_CXX')) |
| 56 assert (env.has_key('CCC_CC') != env.has_key('CCC_CXX')) |
| 57 |
| 58 returncode = run_command(args.analyzer, compile_args, env) |
| 59 if returncode == 0: |
| 60 return 0 |
| 61 else: |
| 62 sys.stderr.write('WARNING: static analysis failed with return code %d.' % |
| 63 returncode) |
| 64 |
| 65 if is_cxx: |
| 66 command = [args.clang_cxx_path] + compile_args |
| 67 return run_command(args.clang_cxx_path, compile_args) |
| 68 else: |
| 69 return run_command(args.clang_cc_path, compile_args) |
| 70 |
| 71 if __name__ == "__main__": |
| 72 sys.exit(main()) |
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