gecko-dev/build/clang-plugin/import_mozilla_checks.py
2017-04-27 12:44:46 -04:00

147 lines
4.3 KiB
Python
Executable File

#!/usr/bin/python2.7
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import os
import re
import sys
import glob
import shutil
import errno
import ThirdPartyPaths
def copy_dir_contents(src, dest):
for f in glob.glob("%s/*" % src):
try:
destname = "%s/%s" % (dest, os.path.basename(f))
if os.path.isdir(f):
shutil.copytree(f, destname)
else:
shutil.copy2(f, destname)
except OSError as e:
if e.errno == errno.ENOTDIR:
shutil.copy2(f, destname)
elif e.errno == errno.EEXIST:
if os.path.isdir(f):
copy_dir_contents(f, destname)
else:
os.remove(destname)
shutil.copy2(f, destname)
else:
raise Exception('Directory not copied. Error: %s' % e)
def write_cmake(module_path):
names = map(lambda f: ' ' + os.path.basename(f),
glob.glob("%s/*.cpp" % module_path))
with open(os.path.join(module_path, 'CMakeLists.txt'), 'wb') as f:
f.write("""set(LLVM_LINK_COMPONENTS support)
add_definitions( -DCLANG_TIDY )
add_definitions( -DHAVE_NEW_ASTMATCHER_NAMES )
add_clang_library(clangTidyMozillaModule
ThirdPartyPaths.cpp
%(names)s
LINK_LIBS
clangAST
clangASTMatchers
clangBasic
clangLex
clangTidy
clangTidyReadabilityModule
clangTidyUtils
)""" % {'names': "\n".join(names)})
def add_item_to_cmake_section(cmake_path, section, library):
with open(cmake_path, 'r') as f:
lines = f.readlines()
f.close()
libs = []
seen_target_libs = False
for line in lines:
if line.find(section) > -1:
seen_target_libs = True
elif seen_target_libs:
if line.find(')') > -1:
break
else:
libs.append(line.strip())
libs.append(library)
libs = sorted(libs, key = lambda s: s.lower())
with open(cmake_path, 'wb') as f:
seen_target_libs = False
for line in lines:
if line.find(section) > -1:
seen_target_libs = True
f.write(line)
f.writelines(map(lambda p: ' ' + p + '\n', libs))
continue
elif seen_target_libs:
if line.find(')') > -1:
seen_target_libs = False
else:
continue
f.write(line)
f.close()
def write_third_party_paths(mozilla_path, module_path):
tpp_txt = os.path.join(mozilla_path, '../../tools/rewriting/ThirdPartyPaths.txt')
with open(os.path.join(module_path, 'ThirdPartyPaths.cpp'), 'w') as f:
ThirdPartyPaths.generate(f, tpp_txt)
def do_import(mozilla_path, clang_tidy_path):
module = 'mozilla'
module_path = os.path.join(clang_tidy_path, module)
if not os.path.isdir(module_path):
os.mkdir(module_path)
copy_dir_contents(mozilla_path, module_path)
write_third_party_paths(mozilla_path, module_path)
write_cmake(module_path)
add_item_to_cmake_section(os.path.join(module_path, '..', 'plugin',
'CMakeLists.txt'),
'LINK_LIBS', 'clangTidyMozillaModule')
add_item_to_cmake_section(os.path.join(module_path, '..', 'tool',
'CMakeLists.txt'),
'target_link_libraries', 'clangTidyMozillaModule')
with open(os.path.join(module_path, '..', 'CMakeLists.txt'), 'a') as f:
f.write('add_subdirectory(%s)\n' % module)
with open(os.path.join(module_path, '..', 'tool', 'ClangTidyMain.cpp'), 'a') as f:
f.write('''
// This anchor is used to force the linker to link the MozillaModule.
extern volatile int MozillaModuleAnchorSource;
static int LLVM_ATTRIBUTE_UNUSED MozillaModuleAnchorDestination =
MozillaModuleAnchorSource;
''')
def main():
if len(sys.argv) != 3:
print """\
Usage: import_mozilla_checks.py <mozilla-clang-plugin-path> <clang-tidy-path>
Imports the Mozilla static analysis checks into a clang-tidy source tree.
"""
return
mozilla_path = sys.argv[1]
if not os.path.isdir(mozilla_path):
print "Invalid path to mozilla clang plugin"
clang_tidy_path = sys.argv[2]
if not os.path.isdir(mozilla_path):
print "Invalid path to clang-tidy source directory"
do_import(mozilla_path, clang_tidy_path)
if __name__ == '__main__':
main()