84 lines
3.0 KiB
Python
Executable File
84 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Script to analyze warnings produced by clang.
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#
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# This file is part of GCC.
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#
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# GCC is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation; either version 3, or (at your option) any later
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# version.
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#
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# GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING3. If not see
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# <http://www.gnu.org/licenses/>. */
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#
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#
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#
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import argparse
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def skip_warning(filename, message):
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ignores = {
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'': ['-Warray-bounds', '-Wmismatched-tags',
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'gcc_gfc: -Wignored-attributes', '-Wchar-subscripts',
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'string literal (potentially insecure): -Wformat-security',
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'-Wdeprecated-register',
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'-Wvarargs', 'keyword is hidden by macro definition',
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"but the argument has type 'char *': -Wformat-pedantic",
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'-Wnested-anon-types',
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'qualifier in explicit instantiation of',
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'attribute argument not supported: asm_fprintf',
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'when in C++ mode, this behavior is deprecated',
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'-Wignored-attributes', '-Wgnu-zero-variadic-macro-arguments',
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'-Wformat-security', '-Wundefined-internal',
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'-Wunknown-warning-option', '-Wc++20-extensions'],
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'insn-modes.c': ['-Wshift-count-overflow'],
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'insn-emit.c': ['-Wtautological-compare'],
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'insn-attrtab.c': ['-Wparentheses-equality'],
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'gimple-match.c': ['-Wunused-', '-Wtautological-compare'],
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'generic-match.c': ['-Wunused-', '-Wtautological-compare'],
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'i386.md': ['-Wparentheses-equality', '-Wtautological-compare',
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'-Wtautological-overlap-compare'],
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'sse.md': ['-Wparentheses-equality', '-Wtautological-compare'],
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'mmx.md': ['-Wtautological-compare'],
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'genautomata.c': ['-Wstring-plus-int'],
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'fold-const-call.c': ['-Wreturn-type'],
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'gfortran.texi': [''],
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'libtool': ['']
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}
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for name, ignores in ignores.items():
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for i in ignores:
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if name in filename and i in message:
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return True
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return False
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parser = argparse.ArgumentParser()
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parser.add_argument('log', help='Log file with clang warnings')
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args = parser.parse_args()
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lines = [line.strip() for line in open(args.log)]
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total = 0
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messages = []
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for line in lines:
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token = ': warning: '
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i = line.find(token)
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if i != -1:
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location = line[:i]
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message = line[i + len(token):]
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if not skip_warning(location, message):
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total += 1
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messages.append(line)
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for line in sorted(messages):
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print(line)
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print('\nTotal warnings: %d' % total)
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