mirror of https://github.com/python/cpython
bpo-46541: Drop the check for orphaned global strings. (gh-31363)
https://bugs.python.org/issue46541
This commit is contained in:
Eric Snow
GitHub
parent
602630ac18
commit
6c89589486
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@ -100,8 +100,6 @@ jobs:
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run: make smelly
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- name: Check limited ABI symbols
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run: make check-limited-abi
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- name: Check global objects
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run: make check-global-objects
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build_win32:
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name: 'Windows (x86)'
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@ -2436,9 +2436,6 @@ patchcheck: @DEF_MAKE_RULE@
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check-limited-abi: all
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$(RUNSHARED) ./$(BUILDPYTHON) $(srcdir)/Tools/scripts/stable_abi.py --all $(srcdir)/Misc/stable_abi.txt
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check-global-objects: all
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$(RUNSHARED) ./$(BUILDPYTHON) $(srcdir)/Tools/scripts/generate_global_objects.py --check
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.PHONY: update-config
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update-config:
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curl -sL -o config.guess 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD'
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@ -252,147 +252,10 @@ def generate_runtime_init(identifiers, strings):
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printer.write(after)
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#######################################
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# checks
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def err(msg):
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print(msg, file=sys.stderr)
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GETTER_RE = re.compile(r'''
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^
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.*?
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(?:
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(?:
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_Py_ID
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[(]
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( \w+ ) # <identifier>
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[)]
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)
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(?:
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_Py_STR
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[(]
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( \w+ ) # <literal>
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[)]
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)
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)
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''', re.VERBOSE)
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TYPESLOTS_RE = re.compile(r'''
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^
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.*?
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(?:
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(?:
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SLOT0 [(] .*?, \s*
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( \w+ ) # <slot0>
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[)]
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)
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(?:
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SLOT1 [(] .*?, \s*
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( \w+ ) # <slot1>
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, .* [)]
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)
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(?:
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SLOT1BIN [(] .*?, .*?, \s*
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( \w+ ) # <slot1bin>
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, \s*
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( \w+ ) # <reverse>
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[)]
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)
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(?:
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SLOT1BINFULL [(] .*?, .*?, .*?, \s*
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( \w+ ) # <slot1binfull>
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, \s*
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( \w+ ) # <fullreverse>
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[)]
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)
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( SLOT \d .* [^)] $ ) # <wrapped>
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)
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''', re.VERBOSE)
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def check_orphan_strings(identifiers):
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literals = set(n for n, s in STRING_LITERALS.items() if s)
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identifiers = set(identifiers)
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files = glob.iglob(os.path.join(ROOT, '**', '*.[ch]'), recursive=True)
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for i, filename in enumerate(files, start=1):
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print('.', end='')
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if i % 5 == 0:
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print(' ', end='')
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if i % 20 == 0:
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print()
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if i % 100 == 0:
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print()
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with open(filename) as infile:
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wrapped = None
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for line in infile:
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identifier = literal = reverse = None
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line = line.splitlines()[0]
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if wrapped:
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line = f'{wrapped.rstrip()} {line}'
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wrapped = None
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if os.path.basename(filename) == '_warnings.c':
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m = re.match(r'^.* = GET_WARNINGS_ATTR[(][^,]*, (\w+),', line)
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if m:
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identifier, = m.groups()
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elif os.path.basename(filename) == 'typeobject.c':
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m = TYPESLOTS_RE.match(line)
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if m:
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(slot0,
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slot1,
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slot1bin, reverse,
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slot1binfull, fullreverse,
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wrapped,
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) = m.groups()
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identifier = slot0 or slot1 or slot1bin or slot1binfull
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reverse = reverse or fullreverse
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if not identifier and not literal:
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m = GETTER_RE.match(line)
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if not m:
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continue
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identifier, literal = m.groups()
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if literal:
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if literals and literal in literals:
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literals.remove(literal)
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if identifier:
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if identifiers and identifier in identifiers:
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identifiers.remove(identifier)
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if reverse:
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if identifiers and reverse in identifiers:
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identifiers.remove(reverse)
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if not literals and not identifiers:
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break
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else:
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continue
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break
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if i % 20:
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print()
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if not literals and not identifiers:
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return
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print('ERROR:', file=sys.stderr)
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if literals:
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err(' unused global string literals:')
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for name in sorted(literals):
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err(f' {name}')
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if identifiers:
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if literals:
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print()
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err(' unused global identifiers:')
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for name in sorted(identifiers):
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err(f' {name}')
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#######################################
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# the script
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def main(*, check=False) -> None:
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def main() -> None:
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identifiers = set(IDENTIFIERS)
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strings = dict(STRING_LITERALS)
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for name, string, filename, lno, _ in iter_global_strings():
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@ -408,13 +271,9 @@ def main(*, check=False) -> None:
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generate_global_strings(identifiers, strings)
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generate_runtime_init(identifiers, strings)
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if check:
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check_orphan_strings(identifiers)
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument('--check', action='store_true')
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args = parser.parse_args()
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main(**vars(args))
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