72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
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#!/usr/bin/env python3
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#
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# Script to analyze warnings produced by rtags command (using LLVM):
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# rc --diagnose-all --synchronous-diagnostics --json
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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 sys
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import json
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import argparse
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def skip_warning(filename, warning):
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ignores = {
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'': ['-Warray-bounds', '-Wmismatched-tags', 'gcc_gfc: -Wignored-attributes', '-Wchar-subscripts',
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'string literal (potentially insecure): -Wformat-security', '-Wdeprecated-register',
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'-Wvarargs', 'keyword is hidden by macro definition', "but the argument has type 'char *': -Wformat-pedantic",
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'-Wnested-anon-types', 'qualifier in explicit instantiation of', 'attribute argument not supported: asm_fprintf'],
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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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}
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message = warning['message']
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if warning['type'] == 'fixit':
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return True
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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('json_file', help = 'Rtags JSON file with diagnostics')
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parser.add_argument('-n', '--no-filter', action = 'store_true', help = 'No filter')
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args = parser.parse_args()
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data = json.load(open(args.json_file))
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file_warnings = data['checkStyle']
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total = 0
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for filename, warnings in file_warnings.items():
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if warnings:
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for w in warnings:
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if args.no_filter or not skip_warning(filename, w):
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total += 1
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print('%s:%d:%d:%s' % (filename, w['line'], w['column'], w['message']))
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print('Total: %d' % total)
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