forked from OSchip/llvm-project
325 lines
11 KiB
Python
Executable File
325 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
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#
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#===- rename_check.py - clang-tidy check renamer ------------*- python -*--===#
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#
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# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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# See https://llvm.org/LICENSE.txt for license information.
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# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#
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#===-----------------------------------------------------------------------===#
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import argparse
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import glob
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import io
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import os
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import re
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def replaceInFileRegex(fileName, sFrom, sTo):
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if sFrom == sTo:
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return
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# The documentation files are encoded using UTF-8, however on Windows the
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# default encoding might be different (e.g. CP-1252). To make sure UTF-8 is
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# always used, use `io.open(filename, mode, encoding='utf8')` for reading and
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# writing files here and elsewhere.
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txt = None
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with io.open(fileName, 'r', encoding='utf8') as f:
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txt = f.read()
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txt = re.sub(sFrom, sTo, txt)
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print("Replacing '%s' -> '%s' in '%s'..." % (sFrom, sTo, fileName))
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with io.open(fileName, 'w', encoding='utf8') as f:
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f.write(txt)
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def replaceInFile(fileName, sFrom, sTo):
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if sFrom == sTo:
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return
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txt = None
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with io.open(fileName, 'r', encoding='utf8') as f:
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txt = f.read()
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if sFrom not in txt:
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return
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txt = txt.replace(sFrom, sTo)
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print("Replacing '%s' -> '%s' in '%s'..." % (sFrom, sTo, fileName))
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with io.open(fileName, 'w', encoding='utf8') as f:
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f.write(txt)
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def generateCommentLineHeader(filename):
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return ''.join(['//===--- ',
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os.path.basename(filename),
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' - clang-tidy ',
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'-' * max(0, 42 - len(os.path.basename(filename))),
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'*- C++ -*-===//'])
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def generateCommentLineSource(filename):
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return ''.join(['//===--- ',
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os.path.basename(filename),
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' - clang-tidy',
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'-' * max(0, 52 - len(os.path.basename(filename))),
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'-===//'])
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def fileRename(fileName, sFrom, sTo):
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if sFrom not in fileName or sFrom == sTo:
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return fileName
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newFileName = fileName.replace(sFrom, sTo)
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print("Renaming '%s' -> '%s'..." % (fileName, newFileName))
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os.rename(fileName, newFileName)
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return newFileName
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def deleteMatchingLines(fileName, pattern):
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lines = None
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with io.open(fileName, 'r', encoding='utf8') as f:
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lines = f.readlines()
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not_matching_lines = [l for l in lines if not re.search(pattern, l)]
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if len(not_matching_lines) == len(lines):
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return False
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print("Removing lines matching '%s' in '%s'..." % (pattern, fileName))
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print(' ' + ' '.join([l for l in lines if re.search(pattern, l)]))
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with io.open(fileName, 'w', encoding='utf8') as f:
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f.writelines(not_matching_lines)
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return True
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def getListOfFiles(clang_tidy_path):
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files = glob.glob(os.path.join(clang_tidy_path, '*'))
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for dirname in files:
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if os.path.isdir(dirname):
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files += glob.glob(os.path.join(dirname, '*'))
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files += glob.glob(os.path.join(clang_tidy_path, '..', 'test',
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'clang-tidy', '*'))
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files += glob.glob(os.path.join(clang_tidy_path, '..', 'docs',
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'clang-tidy', 'checks', '*'))
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return [filename for filename in files if os.path.isfile(filename)]
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# Adapts the module's CMakelist file. Returns 'True' if it could add a new
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# entry and 'False' if the entry already existed.
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def adapt_cmake(module_path, check_name_camel):
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filename = os.path.join(module_path, 'CMakeLists.txt')
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with io.open(filename, 'r', encoding='utf8') as f:
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lines = f.readlines()
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cpp_file = check_name_camel + '.cpp'
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# Figure out whether this check already exists.
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for line in lines:
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if line.strip() == cpp_file:
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return False
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print('Updating %s...' % filename)
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with io.open(filename, 'wb', encoding='utf8') as f:
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cpp_found = False
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file_added = False
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for line in lines:
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cpp_line = line.strip().endswith('.cpp')
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if (not file_added) and (cpp_line or cpp_found):
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cpp_found = True
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if (line.strip() > cpp_file) or (not cpp_line):
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f.write((' ' + cpp_file + '\n').encode())
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file_added = True
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f.write(line.encode())
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return True
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# Modifies the module to include the new check.
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def adapt_module(module_path, module, check_name, check_name_camel):
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modulecpp = next(filter(lambda p: p.lower() == module.lower() + 'tidymodule.cpp', os.listdir(module_path)))
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filename = os.path.join(module_path, modulecpp)
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with io.open(filename, 'r', encoding='utf8') as f:
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lines = f.readlines()
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print('Updating %s...' % filename)
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with io.open(filename, 'wb', encoding='utf8') as f:
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header_added = False
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header_found = False
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check_added = False
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check_decl = (' CheckFactories.registerCheck<' + check_name_camel +
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'>(\n "' + check_name + '");\n')
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for line in lines:
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if not header_added:
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match = re.search('#include "(.*)"', line)
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if match:
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header_found = True
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if match.group(1) > check_name_camel:
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header_added = True
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f.write(('#include "' + check_name_camel + '.h"\n').encode())
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elif header_found:
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header_added = True
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f.write(('#include "' + check_name_camel + '.h"\n').encode())
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if not check_added:
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if line.strip() == '}':
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check_added = True
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f.write(check_decl.encode())
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else:
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match = re.search('registerCheck<(.*)>', line)
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if match and match.group(1) > check_name_camel:
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check_added = True
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f.write(check_decl.encode())
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f.write(line.encode())
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# Adds a release notes entry.
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def add_release_notes(clang_tidy_path, old_check_name, new_check_name):
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filename = os.path.normpath(os.path.join(clang_tidy_path,
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'../docs/ReleaseNotes.rst'))
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with io.open(filename, 'r', encoding='utf8') as f:
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lines = f.readlines()
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lineMatcher = re.compile('Renamed checks')
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nextSectionMatcher = re.compile('Improvements to include-fixer')
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checkMatcher = re.compile('- The \'(.*)')
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print('Updating %s...' % filename)
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with io.open(filename, 'wb', encoding='utf8') as f:
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note_added = False
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header_found = False
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add_note_here = False
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for line in lines:
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if not note_added:
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match = lineMatcher.match(line)
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match_next = nextSectionMatcher.match(line)
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match_check = checkMatcher.match(line)
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if match_check:
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last_check = match_check.group(1)
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if last_check > old_check_name:
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add_note_here = True
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if match_next:
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add_note_here = True
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if match:
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header_found = True
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f.write(line.encode())
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continue
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if line.startswith('^^^^'):
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f.write(line.encode())
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continue
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if header_found and add_note_here:
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if not line.startswith('^^^^'):
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f.write(("""- The '%s' check was renamed to :doc:`%s
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<clang-tidy/checks/%s>`
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""" % (old_check_name, new_check_name, new_check_name)).encode())
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note_added = True
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f.write(line.encode())
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def main():
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parser = argparse.ArgumentParser(description='Rename clang-tidy check.')
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parser.add_argument('old_check_name', type=str,
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help='Old check name.')
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parser.add_argument('new_check_name', type=str,
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help='New check name.')
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parser.add_argument('--check_class_name', type=str,
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help='Old name of the class implementing the check.')
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args = parser.parse_args()
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old_module = args.old_check_name.split('-')[0]
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new_module = args.new_check_name.split('-')[0]
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if args.check_class_name:
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check_name_camel = args.check_class_name
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else:
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check_name_camel = (''.join(map(lambda elem: elem.capitalize(),
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args.old_check_name.split('-')[1:])) +
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'Check')
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new_check_name_camel = (''.join(map(lambda elem: elem.capitalize(),
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args.new_check_name.split('-')[1:])) +
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'Check')
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clang_tidy_path = os.path.dirname(__file__)
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header_guard_variants = [
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(args.old_check_name.replace('-', '_')).upper() + '_CHECK',
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(old_module + '_' + check_name_camel).upper(),
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(old_module + '_' + new_check_name_camel).upper(),
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args.old_check_name.replace('-', '_').upper()]
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header_guard_new = (new_module + '_' + new_check_name_camel).upper()
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old_module_path = os.path.join(clang_tidy_path, old_module)
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new_module_path = os.path.join(clang_tidy_path, new_module)
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if (args.old_check_name != args.new_check_name):
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# Remove the check from the old module.
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cmake_lists = os.path.join(old_module_path, 'CMakeLists.txt')
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check_found = deleteMatchingLines(cmake_lists, '\\b' + check_name_camel)
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if not check_found:
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print("Check name '%s' not found in %s. Exiting." %
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(check_name_camel, cmake_lists))
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return 1
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modulecpp = next(filter(
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lambda p: p.lower() == old_module.lower() + 'tidymodule.cpp',
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os.listdir(old_module_path)))
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deleteMatchingLines(os.path.join(old_module_path, modulecpp),
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'\\b' + check_name_camel + '|\\b' + args.old_check_name)
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for filename in getListOfFiles(clang_tidy_path):
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originalName = filename
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filename = fileRename(filename, args.old_check_name,
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args.new_check_name)
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filename = fileRename(filename, check_name_camel, new_check_name_camel)
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replaceInFile(filename, generateCommentLineHeader(originalName),
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generateCommentLineHeader(filename))
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replaceInFile(filename, generateCommentLineSource(originalName),
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generateCommentLineSource(filename))
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for header_guard in header_guard_variants:
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replaceInFile(filename, header_guard, header_guard_new)
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if args.new_check_name + '.rst' in filename:
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replaceInFile(
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filename,
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args.old_check_name + '\n' + '=' * len(args.old_check_name) + '\n',
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args.new_check_name + '\n' + '=' * len(args.new_check_name) + '\n')
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replaceInFile(filename, args.old_check_name, args.new_check_name)
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replaceInFile(filename, old_module + '::' + check_name_camel,
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new_module + '::' + new_check_name_camel)
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replaceInFile(filename, old_module + '/' + check_name_camel,
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new_module + '/' + new_check_name_camel)
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replaceInFile(filename, check_name_camel, new_check_name_camel)
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if old_module != new_module or new_module == 'llvm':
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if new_module == 'llvm':
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new_namespace = new_module + '_check'
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else:
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new_namespace = new_module
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check_implementation_files = glob.glob(
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os.path.join(old_module_path, new_check_name_camel + '*'))
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for filename in check_implementation_files:
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# Move check implementation to the directory of the new module.
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filename = fileRename(filename, old_module_path, new_module_path)
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replaceInFileRegex(filename, 'namespace ' + old_module + '[^ \n]*',
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'namespace ' + new_namespace)
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if (args.old_check_name == args.new_check_name):
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return
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# Add check to the new module.
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adapt_cmake(new_module_path, new_check_name_camel)
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adapt_module(new_module_path, new_module, args.new_check_name,
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new_check_name_camel)
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os.system(os.path.join(clang_tidy_path, 'add_new_check.py')
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+ ' --update-docs')
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add_release_notes(clang_tidy_path, args.old_check_name, args.new_check_name)
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if __name__ == '__main__':
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main()
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