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-rwxr-xr-xscripts/hiddenapi/signature_patterns.py122
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: