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96 lines
3.0 KiB
Python
Executable File
96 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Checks C++ files to make sure they conform to LLVM standards, as specified in
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# http://llvm.org/docs/CodingStandards.html .
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#
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# TODO: add unittests for the verifier functions:
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# http://docs.python.org/library/unittest.html .
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from __future__ import print_function
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import common_lint
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import re
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import sys
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def VerifyIncludes(filename, lines):
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"""Makes sure the #includes are in proper order and no disallows files are
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#included.
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Args:
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filename: the file under consideration as string
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lines: contents of the file as string array
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"""
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lint = []
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include_gtest_re = re.compile(r'^#include "gtest/(.*)"')
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include_llvm_re = re.compile(r'^#include "llvm/(.*)"')
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include_support_re = re.compile(r'^#include "(Support/.*)"')
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include_config_re = re.compile(r'^#include "(Config/.*)"')
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include_system_re = re.compile(r'^#include <(.*)>')
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DISALLOWED_SYSTEM_HEADERS = ['iostream']
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line_num = 1
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prev_config_header = None
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prev_system_header = None
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for line in lines:
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# TODO: implement private headers
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# TODO: implement gtest headers
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# TODO: implement top-level llvm/* headers
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# TODO: implement llvm/Support/* headers
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# Process Config/* headers
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config_header = include_config_re.match(line)
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if config_header:
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curr_config_header = config_header.group(1)
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if prev_config_header:
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if prev_config_header > curr_config_header:
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lint.append((filename, line_num,
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'Config headers not in order: "%s" before "%s"' % (
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prev_config_header, curr_config_header)))
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# Process system headers
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system_header = include_system_re.match(line)
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if system_header:
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curr_system_header = system_header.group(1)
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# Is it disallowed?
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if curr_system_header in DISALLOWED_SYSTEM_HEADERS:
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lint.append((filename, line_num,
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'Disallowed system header: <%s>' % curr_system_header))
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elif prev_system_header:
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# Make sure system headers are alphabetized amongst themselves
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if prev_system_header > curr_system_header:
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lint.append((filename, line_num,
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'System headers not in order: <%s> before <%s>' % (
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prev_system_header, curr_system_header)))
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prev_system_header = curr_system_header
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line_num += 1
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return lint
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class CppLint(common_lint.BaseLint):
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MAX_LINE_LENGTH = 80
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def RunOnFile(self, filename, lines):
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lint = []
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lint.extend(VerifyIncludes(filename, lines))
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lint.extend(common_lint.VerifyLineLength(filename, lines,
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CppLint.MAX_LINE_LENGTH))
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lint.extend(common_lint.VerifyTabs(filename, lines))
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lint.extend(common_lint.VerifyTrailingWhitespace(filename, lines))
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return lint
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def CppLintMain(filenames):
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all_lint = common_lint.RunLintOverAllFiles(CppLint(), filenames)
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for lint in all_lint:
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print('%s:%d:%s' % (lint[0], lint[1], lint[2]))
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return 0
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if __name__ == '__main__':
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sys.exit(CppLintMain(sys.argv[1:]))
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