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Mon, Jul 22, 10:23 PM

D56343.diff

Index: test/clang-tidy/check_clang_tidy.py
===================================================================
--- test/clang-tidy/check_clang_tidy.py
+++ test/clang-tidy/check_clang_tidy.py
@@ -38,170 +38,175 @@
f.write(text)
f.truncate()
+
def csv(string):
return string.split(',')
-def main():
- parser = argparse.ArgumentParser()
- parser.add_argument('-expect-clang-tidy-error', action='store_true')
- parser.add_argument('-resource-dir')
- parser.add_argument('-assume-filename')
- parser.add_argument('input_file_name')
- parser.add_argument('check_name')
- parser.add_argument('temp_file_name')
- parser.add_argument('-check-suffix', '-check-suffixes',
- default=[''], type=csv,
- help="comma-separated list of FileCheck suffixes")
-
- args, extra_args = parser.parse_known_args()
-
- resource_dir = args.resource_dir
- assume_file_name = args.assume_filename
- input_file_name = args.input_file_name
- check_name = args.check_name
- temp_file_name = args.temp_file_name
- expect_clang_tidy_error = args.expect_clang_tidy_error
-
- file_name_with_extension = assume_file_name or input_file_name
- _, extension = os.path.splitext(file_name_with_extension)
- if extension not in ['.c', '.hpp', '.m', '.mm']:
- extension = '.cpp'
- temp_file_name = temp_file_name + extension
-
- clang_tidy_extra_args = extra_args
- if len(clang_tidy_extra_args) == 0:
- clang_tidy_extra_args = ['--']
- if extension in ['.cpp', '.hpp', '.mm']:
- clang_tidy_extra_args.append('--std=c++11')
- if extension in ['.m', '.mm']:
- clang_tidy_extra_args.extend(
- ['-fobjc-abi-version=2', '-fobjc-arc'])
-
- # Tests should not rely on STL being available, and instead provide mock
- # implementations of relevant APIs.
- clang_tidy_extra_args.append('-nostdinc++')
-
- if resource_dir is not None:
- clang_tidy_extra_args.append('-resource-dir=%s' % resource_dir)
-
- with open(input_file_name, 'r') as input_file:
- input_text = input_file.read()
-
- check_fixes_prefixes = []
- check_messages_prefixes = []
- check_notes_prefixes = []
-
- has_check_fixes = False
- has_check_messages = False
- has_check_notes = False
-
- for check in args.check_suffix:
- if check and not re.match('^[A-Z0-9\-]+$', check):
- sys.exit('Only A..Z, 0..9 and "-" are ' +
- 'allowed in check suffixes list, but "%s" was given' % (check))
-
- file_check_suffix = ('-' + check) if check else ''
- check_fixes_prefix = 'CHECK-FIXES' + file_check_suffix
- check_messages_prefix = 'CHECK-MESSAGES' + file_check_suffix
- check_notes_prefix = 'CHECK-NOTES' + file_check_suffix
-
- has_check_fix = check_fixes_prefix in input_text
- has_check_message = check_messages_prefix in input_text
- has_check_note = check_notes_prefix in input_text
-
- if has_check_note and has_check_message:
- sys.exit('Please use either %s or %s but not both' %
- (check_notes_prefix, check_messages_prefix))
-
- if not has_check_fix and not has_check_message and not has_check_note:
- sys.exit('%s, %s or %s not found in the input' %
- (check_fixes_prefix, check_messages_prefix, check_notes_prefix))
-
- has_check_fixes = has_check_fixes or has_check_fix
- has_check_messages = has_check_messages or has_check_message
- has_check_notes = has_check_notes or has_check_note
-
- check_fixes_prefixes.append(check_fixes_prefix)
- check_messages_prefixes.append(check_messages_prefix)
- check_notes_prefixes.append(check_notes_prefix)
-
- assert has_check_fixes or has_check_messages or has_check_notes
- # Remove the contents of the CHECK lines to avoid CHECKs matching on
- # themselves. We need to keep the comments to preserve line numbers while
- # avoiding empty lines which could potentially trigger formatting-related
- # checks.
- cleaned_test = re.sub('// *CHECK-[A-Z0-9\-]*:[^\r\n]*', '//', input_text)
-
- write_file(temp_file_name, cleaned_test)
-
- original_file_name = temp_file_name + ".orig"
- write_file(original_file_name, cleaned_test)
-
- args = ['clang-tidy', temp_file_name, '-fix', '--checks=-*,' + check_name] + \
- clang_tidy_extra_args
- if expect_clang_tidy_error:
- args.insert(0, 'not')
- print('Running ' + repr(args) + '...')
- try:
- clang_tidy_output = \
- subprocess.check_output(args, stderr=subprocess.STDOUT).decode()
- except subprocess.CalledProcessError as e:
- print('clang-tidy failed:\n' + e.output.decode())
- raise
-
- print('------------------------ clang-tidy output -----------------------\n' +
- clang_tidy_output +
- '\n------------------------------------------------------------------')
+def try_run(args, raise_error = True):
try:
- diff_output = subprocess.check_output(
- ['diff', '-u', original_file_name, temp_file_name],
- stderr=subprocess.STDOUT)
+ process_output = \
+ subprocess.check_output(args, stderr=subprocess.STDOUT).decode()
except subprocess.CalledProcessError as e:
- diff_output = e.output
-
- print('------------------------------ Fixes -----------------------------\n' +
- diff_output.decode() +
- '\n------------------------------------------------------------------')
-
- if has_check_fixes:
- try:
- subprocess.check_output(
- ['FileCheck', '-input-file=' + temp_file_name, input_file_name,
- '-check-prefixes=' + ','.join(check_fixes_prefixes),
- '-strict-whitespace'],
- stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as e:
- print('FileCheck failed:\n' + e.output.decode())
- raise
-
- if has_check_messages:
- messages_file = temp_file_name + '.msg'
- write_file(messages_file, clang_tidy_output)
- try:
- subprocess.check_output(
- ['FileCheck', '-input-file=' + messages_file, input_file_name,
- '-check-prefixes=' + ','.join(check_messages_prefixes),
- '-implicit-check-not={{warning|error}}:'],
- stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as e:
- print('FileCheck failed:\n' + e.output.decode())
- raise
-
- if has_check_notes:
- notes_file = temp_file_name + '.notes'
- filtered_output = [line for line in clang_tidy_output.splitlines()
- if not "note: FIX-IT applied" in line]
- write_file(notes_file, '\n'.join(filtered_output))
- try:
- subprocess.check_output(
- ['FileCheck', '-input-file=' + notes_file, input_file_name,
- '-check-prefixes=' + ','.join(check_notes_prefixes),
- '-implicit-check-not={{note|warning|error}}:'],
- stderr=subprocess.STDOUT)
- except subprocess.CalledProcessError as e:
- print('FileCheck failed:\n' + e.output.decode())
+ process_output = e.output.decode()
+ print('%s failed:\n%s' % (' '.join(args), process_output))
+ if raise_error:
raise
+ return process_output
+
+
+class CheckRunner:
+ def parse_args(self):
+ parser = argparse.ArgumentParser()
+ parser.add_argument('-expect-clang-tidy-error', action='store_true')
+ parser.add_argument('-resource-dir')
+ parser.add_argument('-assume-filename')
+ parser.add_argument('input_file_name')
+ parser.add_argument('check_name')
+ parser.add_argument('temp_file_name')
+ parser.add_argument('-check-suffix', '-check-suffixes',
+ default=[''], type=csv,
+ help="comma-separated list of FileCheck suffixes")
+ args, extra_args = parser.parse_known_args()
+ self.resource_dir = args.resource_dir
+ self.assume_file_name = args.assume_filename
+ self.input_file_name = args.input_file_name
+ self.check_name = args.check_name
+ self.temp_file_name = args.temp_file_name
+ self.expect_clang_tidy_error = args.expect_clang_tidy_error
+ self.check_suffix = args.check_suffix
+
+ file_name_with_extension = self.assume_file_name or self.input_file_name
+ _, self.extension = os.path.splitext(file_name_with_extension)
+ if self.extension not in ['.c', '.hpp', '.m', '.mm']:
+ self.extension = '.cpp'
+ self.temp_file_name = self.temp_file_name + self.extension
+
+ self.get_tidy_extra_args(extra_args)
+
+ def get_tidy_extra_args(self, extra_args):
+ self.clang_tidy_extra_args = extra_args
+ if len(self.clang_tidy_extra_args) == 0:
+ self.clang_tidy_extra_args = ['--']
+ if self.extension in ['.cpp', '.hpp', '.mm']:
+ self.clang_tidy_extra_args.append('--std=c++11')
+ if self.extension in ['.m', '.mm']:
+ self.clang_tidy_extra_args.extend(
+ ['-fobjc-abi-version=2', '-fobjc-arc'])
+
+ # Tests should not rely on STL being available, and instead provide mock
+ # implementations of relevant APIs.
+ self.clang_tidy_extra_args.append('-nostdinc++')
+
+ if self.resource_dir is not None:
+ self.clang_tidy_extra_args.append('-resource-dir=%s' % self.resource_dir)
+
+ def read_input_file(self):
+ with open(self.input_file_name, 'r') as input_file:
+ self.input_text = input_file.read()
+
+ def get_prefixes(self):
+ self.check_fixes_prefixes = []
+ self.check_messages_prefixes = []
+ self.check_notes_prefixes = []
+
+ self.has_check_fixes = False
+ self.has_check_messages = False
+ self.has_check_notes = False
+
+ for check in self.check_suffix:
+ if check and not re.match('^[A-Z0-9\-]+$', check):
+ sys.exit('Only A..Z, 0..9 and "-" are ' +
+ 'allowed in check suffixes list, but "%s" was given' % (check))
+
+ file_check_suffix = ('-' + check) if check else ''
+ check_fixes_prefix = 'CHECK-FIXES' + file_check_suffix
+ check_messages_prefix = 'CHECK-MESSAGES' + file_check_suffix
+ check_notes_prefix = 'CHECK-NOTES' + file_check_suffix
+
+ has_check_fix = check_fixes_prefix in self.input_text
+ has_check_message = check_messages_prefix in self.input_text
+ has_check_note = check_notes_prefix in self.input_text
+
+ if has_check_note and has_check_message:
+ sys.exit('Please use either %s or %s but not both' %
+ (check_notes_prefix, check_messages_prefix))
+
+ if not has_check_fix and not has_check_message and not has_check_note:
+ sys.exit('%s, %s or %s not found in the input' %
+ (check_fixes_prefix, check_messages_prefix, check_notes_prefix))
+
+ self.has_check_fixes = self.has_check_fixes or has_check_fix
+ self.has_check_messages = self.has_check_messages or has_check_message
+ self.has_check_notes = self.has_check_notes or has_check_note
+
+ self.check_fixes_prefixes.append(check_fixes_prefix)
+ self.check_messages_prefixes.append(check_messages_prefix)
+ self.check_notes_prefixes.append(check_notes_prefix)
+
+ assert self.has_check_fixes or self.has_check_messages or self.has_check_notes
+
+ def prepare_test_inputs(self):
+ # Remove the contents of the CHECK lines to avoid CHECKs matching on
+ # themselves. We need to keep the comments to preserve line numbers while
+ # avoiding empty lines which could potentially trigger formatting-related
+ # checks.
+ cleaned_test = re.sub('// *CHECK-[A-Z0-9\-]*:[^\r\n]*', '//', self.input_text)
+ write_file(self.temp_file_name, cleaned_test)
+ self.original_file_name = self.temp_file_name + ".orig"
+ write_file(self.original_file_name, cleaned_test)
+
+ def run_clang_tidy(self):
+ args = ['clang-tidy', self.temp_file_name, '-fix', '--checks=-*,' + self.check_name] + \
+ self.clang_tidy_extra_args
+ if self.expect_clang_tidy_error:
+ args.insert(0, 'not')
+ print('Running ' + repr(args) + '...')
+ clang_tidy_output = try_run(args)
+ print('------------------------ clang-tidy output -----------------------\n' +
+ clang_tidy_output +
+ '\n------------------------------------------------------------------')
+
+ diff_output = try_run(['diff', '-u', self.original_file_name, self.temp_file_name], False)
+ print('------------------------------ Fixes -----------------------------\n' +
+ diff_output +
+ '\n------------------------------------------------------------------')
+ return clang_tidy_output
+
+ def check_fixes(self):
+ if self.has_check_fixes:
+ try_run(['FileCheck', '-input-file=' + self.temp_file_name, self.input_file_name,
+ '-check-prefixes=' + ','.join(self.check_fixes_prefixes),
+ '-strict-whitespace'])
+
+ def check_messages(self, clang_tidy_output):
+ if self.has_check_messages:
+ messages_file = self.temp_file_name + '.msg'
+ write_file(messages_file, clang_tidy_output)
+ try_run(['FileCheck', '-input-file=' + messages_file, self.input_file_name,
+ '-check-prefixes=' + ','.join(self.check_messages_prefixes),
+ '-implicit-check-not={{warning|error}}:'])
+
+ def check_notes(self, clang_tidy_output):
+ if self.has_check_notes:
+ notes_file = self.temp_file_name + '.notes'
+ filtered_output = [line for line in clang_tidy_output.splitlines()
+ if not "note: FIX-IT applied" in line]
+ write_file(notes_file, '\n'.join(filtered_output))
+ try_run(['FileCheck', '-input-file=' + notes_file, self.input_file_name,
+ '-check-prefixes=' + ','.join(self.check_notes_prefixes),
+ '-implicit-check-not={{note|warning|error}}:'])
+
+ def run(self):
+ print('Running...')
+ self.parse_args()
+ self.read_input_file()
+ self.get_prefixes()
+ self.prepare_test_inputs()
+ clang_tidy_output = self.run_clang_tidy()
+ self.check_fixes()
+ self.check_messages(clang_tidy_output)
+ self.check_notes(clang_tidy_output)
if __name__ == '__main__':
- main()
+ CheckRunner().run()

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