diff options
Diffstat (limited to 'scripts/hiddenapi/signature_patterns.py')
-rwxr-xr-x | scripts/hiddenapi/signature_patterns.py | 122 |
1 files changed, 98 insertions, 24 deletions
diff --git a/scripts/hiddenapi/signature_patterns.py b/scripts/hiddenapi/signature_patterns.py index 1abdef114..5a82be7b2 100755 --- a/scripts/hiddenapi/signature_patterns.py +++ b/scripts/hiddenapi/signature_patterns.py @@ -60,7 +60,22 @@ def matched_by_package_prefix_pattern(package_prefixes, prefix): return False -def validate_package_prefixes(split_packages, package_prefixes): +def validate_package_is_not_matched_by_package_prefix(package_type, pkg, + package_prefixes): + package_prefix = matched_by_package_prefix_pattern(package_prefixes, pkg) + if package_prefix: + # A package prefix matches the package. + package_for_output = slash_package_to_dot_package(pkg) + package_prefix_for_output = slash_package_to_dot_package(package_prefix) + return [ + f'{package_type} {package_for_output} is matched by ' + f'package prefix {package_prefix_for_output}' + ] + return [] + + +def validate_package_prefixes(split_packages, single_packages, + package_prefixes): # If there are no package prefixes then there is no possible conflict # between them and the split packages. if len(package_prefixes) == 0: @@ -79,17 +94,16 @@ def validate_package_prefixes(split_packages, package_prefixes): f'{package_prefixes_for_output}\n' ' add split_packages:[] to fix') else: - package_prefix = matched_by_package_prefix_pattern( - package_prefixes, split_package) - if package_prefix: - # A package prefix matches a split package. - split_package_for_output = slash_package_to_dot_package( - split_package) - package_prefix_for_output = slash_package_to_dot_package( - package_prefix) - errors.append( - f'split package {split_package_for_output} is matched by ' - f'package prefix {package_prefix_for_output}') + errs = validate_package_is_not_matched_by_package_prefix( + 'split package', split_package, package_prefixes) + errors.extend(errs) + + # Check to make sure that the single packages and package prefixes do not + # overlap. + for single_package in single_packages: + errs = validate_package_is_not_matched_by_package_prefix( + 'single package', single_package, package_prefixes) + errors.extend(errs) return errors @@ -102,21 +116,40 @@ def validate_split_packages(split_packages): return errors +def validate_single_packages(split_packages, single_packages): + overlaps = [] + for single_package in single_packages: + if single_package in split_packages: + overlaps.append(single_package) + if overlaps: + indented = ''.join([f'\n {o}' for o in overlaps]) + return [ + f'single_packages and split_packages overlap, please ensure the ' + f'following packages are only present in one:{indented}' + ] + return [] + + def produce_patterns_from_file(file, split_packages=None, + single_packages=None, package_prefixes=None): with open(file, 'r', encoding='utf8') as f: - return produce_patterns_from_stream(f, split_packages, package_prefixes) + return produce_patterns_from_stream(f, split_packages, single_packages, + package_prefixes) def produce_patterns_from_stream(stream, split_packages=None, + single_packages=None, package_prefixes=None): split_packages = set(split_packages or []) + single_packages = set(single_packages or []) package_prefixes = list(package_prefixes or []) # Read in all the signatures into a list and remove any unnecessary class # and member names. patterns = set() + unmatched_packages = set() for row in dict_reader(stream): signature = row['signature'] text = signature.removeprefix('L') @@ -138,11 +171,31 @@ def produce_patterns_from_stream(stream, # Remove inner class names. pieces = qualified_class_name.split('$', maxsplit=1) pattern = pieces[0] - else: + patterns.add(pattern) + elif pkg in single_packages: # Add a * to ensure that the pattern matches the classes in that # package. pattern = pkg + '/*' - patterns.add(pattern) + patterns.add(pattern) + else: + unmatched_packages.add(pkg) + + # Remove any unmatched packages that would be matched by a package prefix + # pattern. + unmatched_packages = [ + p for p in unmatched_packages + if not matched_by_package_prefix_pattern(package_prefixes, p) + ] + errors = [] + if unmatched_packages: + unmatched_packages.sort() + indented = ''.join([ + f'\n {slash_package_to_dot_package(p)}' + for p in unmatched_packages + ]) + errors.append('The following packages were unexpected, please add them ' + 'to one of the hidden_api properties, split_packages, ' + f'single_packages or package_prefixes:{indented}') # Remove any patterns that would be matched by a package prefix pattern. patterns = [ @@ -155,7 +208,13 @@ def produce_patterns_from_stream(stream, patterns = patterns + [f'{p}/**' for p in package_prefixes] # Sort the patterns. patterns.sort() - return patterns + return patterns, errors + + +def print_and_exit(errors): + for error in errors: + print(error) + sys.exit(1) def main(args): @@ -175,26 +234,41 @@ def main(args): '--package-prefix', action='append', help='A package prefix unique to this set of flags') + args_parser.add_argument( + '--single-package', + action='append', + help='A single package unique to this set of flags') args_parser.add_argument('--output', help='Generated signature prefixes') args = args_parser.parse_args(args) split_packages = set( dot_packages_to_slash_packages(args.split_package or [])) errors = validate_split_packages(split_packages) + if errors: + print_and_exit(errors) - package_prefixes = dot_packages_to_slash_packages(args.package_prefix or []) + single_packages = list( + dot_packages_to_slash_packages(args.single_package or [])) - if not errors: - errors = validate_package_prefixes(split_packages, package_prefixes) + errors = validate_single_packages(split_packages, single_packages) + if errors: + print_and_exit(errors) + + package_prefixes = dot_packages_to_slash_packages(args.package_prefix or []) + errors = validate_package_prefixes(split_packages, single_packages, + package_prefixes) if errors: - for error in errors: - print(error) - sys.exit(1) + print_and_exit(errors) + patterns = [] # Read in all the patterns into a list. - patterns = produce_patterns_from_file(args.flags, split_packages, - package_prefixes) + patterns, errors = produce_patterns_from_file(args.flags, split_packages, + single_packages, + package_prefixes) + + if errors: + print_and_exit(errors) # Write out all the patterns. with open(args.output, 'w', encoding='utf8') as outputFile: |