def parse_functions(main_cpp_name, main_cpp_path, silent=False):
p = subprocess.Popen(
"clang-check -ast-dump %s --extra-arg='-fno-color-diagnostics' --" %
main_cpp_path,
shell=True,
stdout=subprocess.PIPE)
main_cpp_found = False
functions = {}
if not silent:
print('parsing function declarations:')
while p.poll() is None:
line = p.stdout.readline().decode('utf-8')
if main_cpp_name in line:
main_cpp_found = True
if main_cpp_found and 'FunctionDecl' in line and 'line' in line:
line = line.strip()
func_decl = FunctionDeclaration(line)
if not func_decl.error:
func_prototype = str(func_decl)
if not silent:
print('[line %d-%d] %s' %
(func_decl.start, func_decl.end, func_decl))
if func_prototype not in functions:
functions[func_prototype] = Function(func_decl)
else:
functions[func_prototype].add_declaration(func_decl)
elif not silent:
print('error occurred in %s', line)
if not silent:
print('\nparsing cpp file:')
main_cpp_contents = read_file(main_cpp_path, silent=silent)
for i, func_decl in enumerate(FunctionDeclaration.function_declares):
if func_decl.end <= len(main_cpp_contents):
if i > 1:
start = max(
FunctionDeclaration.get_by_id(i - 1).end,
func_decl.start - 20)
else:
start = max(0, func_decl.start - 20)
end = func_decl.end
func_decl.set_body([(x, main_cpp_contents[x])
for x in range(start, end)])
return functions
def parse_functions_new(project_dir, files, silent=False, functions=None):
if not functions:
functions = dict()
split_sources_headers(files)
sources, headers, _ = split_sources_headers(files)
files = sources + headers
sources_path = build_full_paths(project_dir, sources)
files_path = build_full_paths(project_dir, files)
p = subprocess.Popen(
"clang-check -ast-dump %s --extra-arg='-fno-color-diagnostics' --" %
' '.join(sources_path),
shell=True,
stdout=subprocess.PIPE,
stderr=silent and subprocess.PIPE or None)
# print(sources_path)
current_file = None
if not silent:
print('parsing function declarations:')
func_decl_lines = []
while p.poll() is None:
line = p.stdout.readline().decode('utf-8').strip()
result = re.findall(r'<(?!(line|col))(.*?), (line|col):.*?>', line)
if result:
file_name = result[0][1]
flag = False
for i, file_path in enumerate(files_path):
if file_path in file_name:
# print(files[i], line)
current_file = files[i]
flag = True
break
if not flag:
current_file = None
if current_file and 'line' in line and ' default ' not in line and \
('FunctionDecl' in line or 'CXXConstructorDecl' in line
or 'CXXDestructorDecl' in line or 'CXXMethodDecl' in line):
# print(line)
line = line.strip()
func_decl_lines.append((line, current_file))
file_func_decls = {x: [] for x in files}
for line, file in func_decl_lines:
func_decl = FunctionDeclaration(line, file)
if not func_decl.error:
func_prototype = str(func_decl)
if not silent:
print('[%s:%d-%d] %s' % (func_decl.file, func_decl.start,
func_decl.end, func_decl))
if func_prototype not in functions:
functions[func_prototype] = Function(func_decl)
else:
functions[func_prototype].add_declaration(func_decl)
file_func_decls[file].append(func_decl)
elif not silent:
print('error occurred in %s' % line)
if not silent:
print('\nparsing cpp files:')
for i, file in enumerate(files):
try:
file_contents = read_file(files_path[i], silent=silent)
func_decls = sorted(file_func_decls[file], key=lambda x: x.start)
for j, func_decl in enumerate(func_decls):
if func_decl.end <= len(file_contents):
# print(j, func_decl)
if j > 0:
start = max(func_decls[j - 1].end,
func_decl.start - 20)
else:
start = max(0, func_decl.start - 20)
end = min(func_decl.end, len(file_contents) - 1)
func_decl.calculate_length(
file_contents[func_decl.start:end + 1])
func_decl.set_body([(x, file_contents[x])
for x in range(start, end + 1)])
except Exception as e:
if not silent:
print(e.args)
for function in functions.values():
function.calculate_length()
return functions
def main(project_dir, silent=False):
main_cpp_name = 'p2.cpp'
main_cpp_path = os.path.join(project_dir, main_cpp_name)
main_cpp_found = False
functions = {}
clang_check_score = 6
p = subprocess.Popen("clang-check -ast-dump %s --" % main_cpp_path,
shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if not silent:
print('parsing function declarations:')
while p.poll() is None:
line = p.stdout.readline().decode('utf-8')
if main_cpp_name in line:
main_cpp_found = True
if main_cpp_found and 'FunctionDecl' in line and 'line' in line:
line = re.sub(r'\x1b(\[.*?[@-~]|\].*?(\x07|\x1b\\))', '', line).strip()
func_decl = FunctionDeclaration(line)
if not func_decl.error:
func_prototype = str(func_decl)
if not silent:
print('[line %d-%d] %s' % (func_decl.start, func_decl.end, func_decl))
if func_prototype not in functions:
functions[func_prototype] = Function(func_decl)
else:
functions[func_prototype].add_declaration(func_decl)
elif not silent:
print('error occurred in %s', line)
if not silent:
print('\nparsing cpp file:')
main_cpp_contents = read_file(main_cpp_path, silent=silent)
for i, func_decl in enumerate(FunctionDeclaration.function_declares):
if func_decl.end <= len(main_cpp_contents):
if i > 1:
start = max(FunctionDeclaration.get_by_id(i - 1).end, func_decl.start - 5)
else:
start = max(0, func_decl.start - 5)
end = func_decl.end
func_decl.set_body([(x, main_cpp_contents[x]) for x in range(start, end)])
if not silent:
print('\ncounting function lines:')
for func_prototype, func in functions.items():
if not silent:
print(func)
line_count = func.count_lines()
print('total lines: %d' % line_count)
if line_count > 50 and clang_check_score > 0:
clang_check_score -= 1
if not silent:
print('\nclang-check score: %d' % clang_check_score)
clang_tidy_warnings = {}
clang_tidy_warnings_count = 0
clang_tidy_score = 0
p = subprocess.Popen("clang-tidy %s -checks=-*,misc-*,performance-*,clang-analyzer-*,"
"readability-function-size,readability-identifier-naming,readability-named-parameter,"
"readability-redundant-*,readability-simplify-boolean-expr,readability-mis*,"
"--extra-arg='-fno-color-diagnostics' --"
% main_cpp_path, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if not silent:
print('\nparsing clang-tidy results:')
while p.poll() is None:
line = p.stdout.readline().decode('utf-8')
line = re.sub(r'\x1b(\[.*?[@-~]|\].*?(\x07|\x1b\\))', '', line).strip()
res = re.findall(r'warning:.*?\[(.*?)\]', line)
if res:
if res[0] in clang_tidy_warnings:
clang_tidy_warnings[res[0]] += 1
else:
clang_tidy_warnings[res[0]] = 1
clang_tidy_warnings_count += 1
if clang_tidy_warnings_count <= 10:
clang_tidy_score += 2
elif clang_tidy_warnings_count <= 25:
clang_tidy_score += 1
if len(clang_tidy_warnings) <= 3:
clang_tidy_score += 2
elif len(clang_tidy_warnings) <= 6:
clang_tidy_score += 1
if not silent:
pprint(clang_tidy_warnings)
print('\nclang-tidy score: %d' % clang_tidy_score)
if silent:
print('%d,%d' % (clang_check_score, clang_tidy_score))