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73 lines
2.1 KiB
Python
73 lines
2.1 KiB
Python
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#!/usr/bin/env python
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# Copyright 2017 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Adds an analysis build step to invocations of the Clang C/C++ compiler.
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Usage: clang_static_analyzer_wrapper.py <compiler> [args...]
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"""
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import argparse
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import fnmatch
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import itertools
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import os
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import sys
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import wrapper_utils
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# Flags used to enable analysis for Clang invocations.
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analyzer_enable_flags = [
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'--analyze',
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]
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# Flags used to configure the analyzer's behavior.
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analyzer_option_flags = [
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'-fdiagnostics-show-option',
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'-analyzer-checker=cplusplus',
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'-analyzer-opt-analyze-nested-blocks',
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'-analyzer-eagerly-assume',
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'-analyzer-output=text',
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'-analyzer-config',
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'suppress-c++-stdlib=true',
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# List of checkers to execute.
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# The full list of checkers can be found at
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# https://clang-analyzer.llvm.org/available_checks.html.
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'-analyzer-checker=core',
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'-analyzer-checker=unix',
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'-analyzer-checker=deadcode',
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]
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# Prepends every element of a list |args| with |token|.
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# e.g. ['-analyzer-foo', '-analyzer-bar'] => ['-Xanalyzer', '-analyzer-foo',
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# '-Xanalyzer', '-analyzer-bar']
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def interleave_args(args, token):
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return list(sum(zip([token] * len(args), args), ()))
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--mode',
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choices=['clang', 'cl'],
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required=True,
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help='Specifies the compiler argument convention to use.')
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parser.add_argument('args', nargs=argparse.REMAINDER)
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parsed_args = parser.parse_args()
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prefix = '-Xclang' if parsed_args.mode == 'cl' else '-Xanalyzer'
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cmd = parsed_args.args + analyzer_enable_flags + \
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interleave_args(analyzer_option_flags, prefix)
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returncode, stderr = wrapper_utils.CaptureCommandStderr(
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wrapper_utils.CommandToRun(cmd))
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sys.stderr.write(stderr)
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returncode, stderr = wrapper_utils.CaptureCommandStderr(
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wrapper_utils.CommandToRun(parsed_args.args))
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sys.stderr.write(stderr)
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return returncode
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if __name__ == '__main__':
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sys.exit(main())
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