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Commit | Line | Data |
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968b4db3 PB |
1 | #! /usr/bin/env python3 |
2 | ||
deb62371 PB |
3 | # Invoke sparse based on the contents of compile_commands.json, |
4 | # also working around several deficiencies in cgcc's command line | |
5 | # parsing | |
968b4db3 PB |
6 | |
7 | import json | |
8 | import subprocess | |
deb62371 | 9 | import os |
968b4db3 PB |
10 | import sys |
11 | import shlex | |
12 | ||
deb62371 PB |
13 | def cmdline_for_sparse(sparse, cmdline): |
14 | # Do not include the C compiler executable | |
15 | skip = True | |
16 | arg = False | |
17 | out = sparse + ['-no-compile'] | |
18 | for x in cmdline: | |
19 | if arg: | |
20 | out.append(x) | |
21 | arg = False | |
22 | continue | |
23 | if skip: | |
24 | skip = False | |
25 | continue | |
26 | # prevent sparse from treating output files as inputs | |
27 | if x == '-MF' or x == '-MQ' or x == '-o': | |
28 | skip = True | |
29 | continue | |
30 | # cgcc ignores -no-compile if it sees -M or -MM? | |
31 | if x.startswith('-M'): | |
32 | continue | |
33 | # sparse does not understand these! | |
34 | if x == '-iquote' or x == '-isystem': | |
35 | x = '-I' | |
36 | if x == '-I': | |
37 | arg = True | |
38 | out.append(x) | |
39 | return out | |
968b4db3 | 40 | |
deb62371 PB |
41 | root_path = os.getenv('MESON_BUILD_ROOT') |
42 | def build_path(s): | |
43 | return s if not root_path else os.path.join(root_path, s) | |
44 | ||
45 | ccjson_path = build_path(sys.argv[1]) | |
46 | with open(ccjson_path, 'r') as fd: | |
968b4db3 PB |
47 | compile_commands = json.load(fd) |
48 | ||
deb62371 PB |
49 | sparse = sys.argv[2:] |
50 | sparse_env = os.environ.copy() | |
968b4db3 | 51 | for cmd in compile_commands: |
deb62371 PB |
52 | cmdline = shlex.split(cmd['command']) |
53 | cmd = cmdline_for_sparse(sparse, cmdline) | |
54 | print('REAL_CC=%s' % shlex.quote(cmdline[0]), | |
55 | ' '.join((shlex.quote(x) for x in cmd))) | |
56 | sparse_env['REAL_CC'] = cmdline[0] | |
57 | r = subprocess.run(cmd, env=sparse_env, cwd=root_path) | |
968b4db3 PB |
58 | if r.returncode != 0: |
59 | sys.exit(r.returncode) |