152 lines
4.9 KiB
Python
152 lines
4.9 KiB
Python
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#!/usr/bin/env python3
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"""
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Checks that all of the "catch_foo_all.hpp" headers include all subheaders.
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The logic is simple: given a folder, e.g. `catch2/matchers`, then the
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ccorresponding header is called `catch_matchers_all.hpp` and contains
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* all headers in `catch2/matchers`,
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* all headers in `catch2/matchers/{internal, detail}`,
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* all convenience catch_matchers_*_all.hpp headers from any non-internal subfolders
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The top level header is called `catch_all.hpp`.
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"""
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internal_dirs = ['detail', 'internal']
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from scriptCommon import catchPath
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from glob import glob
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from pprint import pprint
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import os
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import re
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def normalized_path(path):
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"""Replaces \ in paths on Windows with /"""
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return path.replace('\\', '/')
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def normalized_paths(paths):
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"""Replaces \ with / in every path"""
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return [normalized_path(path) for path in paths]
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source_path = catchPath + '/src/catch2'
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source_path = normalized_path(source_path)
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include_parser = re.compile(r'#include <(catch2/.+\.hpp)>')
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errors_found = False
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def headers_in_folder(folder):
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return glob(folder + '/*.hpp')
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def folders_in_folder(folder):
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return [x for x in os.scandir(folder) if x.is_dir()]
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def collated_includes(folder):
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base = headers_in_folder(folder)
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for subfolder in folders_in_folder(folder):
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if subfolder.name in internal_dirs:
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base.extend(headers_in_folder(subfolder.path))
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else:
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base.append(subfolder.path + '/catch_{}_all.hpp'.format(subfolder.name))
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return normalized_paths(sorted(base))
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def includes_from_file(header):
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includes = []
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with open(header, 'r', encoding = 'utf-8') as file:
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for line in file:
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if not line.startswith('#include'):
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continue
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match = include_parser.match(line)
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if match:
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includes.append(match.group(1))
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return normalized_paths(includes)
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def normalize_includes(includes):
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"""Returns """
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return [include[len(catchPath)+5:] for include in includes]
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def get_duplicates(xs):
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seen = set()
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duplicated = []
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for x in xs:
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if x in seen:
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duplicated.append(x)
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seen.add(x)
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return duplicated
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def verify_convenience_header(folder):
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"""
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Performs the actual checking of convenience header for specific folder.
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Checks that
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1) The header even exists
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2) That all includes in the header are sorted
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3) That there are no duplicated includes
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4) That all includes that should be in the header are actually present in the header
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5) That there are no superfluous includes that should not be in the header
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"""
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global errors_found
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path = normalized_path(folder.path)
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assert path.startswith(source_path), '{} does not start with {}'.format(path, source_path)
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stripped_path = path[len(source_path) + 1:]
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path_pieces = stripped_path.split('/')
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if path == source_path:
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header_name = 'catch_all.hpp'
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else:
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header_name = 'catch_{}_all.hpp'.format('_'.join(path_pieces))
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# 1) Does it exist?
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full_path = path + '/' + header_name
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if not os.path.isfile(full_path):
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errors_found = True
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print('Missing convenience header: {}'.format(full_path))
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return
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file_incs = includes_from_file(path + '/' + header_name)
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# 2) Are the includes are sorted?
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if sorted(file_incs) != file_incs:
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errors_found = True
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print("'{}': Includes are not in sorted order!".format(header_name))
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# 3) Are there no duplicates?
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duplicated = get_duplicates(file_incs)
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for duplicate in duplicated:
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errors_found = True
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print("'{}': Duplicated include: '{}'".format(header_name, duplicate))
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target_includes = normalize_includes(collated_includes(path))
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# Avoid requiring the convenience header to include itself
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target_includes = [x for x in target_includes if header_name not in x]
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# 4) Are all required headers present?
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file_incs_set = set(file_incs)
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for include in target_includes:
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if (include not in file_incs_set and
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include != 'catch2/internal/catch_windows_h_proxy.hpp'):
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errors_found = True
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print("'{}': missing include '{}'".format(header_name, include))
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# 5) Are there any superfluous headers?
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desired_set = set(target_includes)
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for include in file_incs:
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if include not in desired_set:
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errors_found = True
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print("'{}': superfluous include '{}'".format(header_name, include))
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def walk_source_folders(current):
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verify_convenience_header(current)
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for folder in folders_in_folder(current.path):
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fname = folder.name
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if fname not in internal_dirs:
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walk_source_folders(folder)
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# This is an ugly hack because we cannot instantiate DirEntry manually
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base_dir = [x for x in os.scandir(catchPath + '/src') if x.name == 'catch2']
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walk_source_folders(base_dir[0])
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# Propagate error "code" upwards
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if not errors_found:
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print('Everything ok')
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exit(errors_found)
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