cpython/Tools/c-analyzer/c_parser/__init__.py

73 lines
2.1 KiB
Python

from c_common.fsutil import match_glob as _match_glob
from .parser import parse as _parse
from .preprocessor import get_preprocessor as _get_preprocessor
def parse_file(filename, *,
match_kind=None,
get_file_preprocessor=None,
file_maxsizes=None,
):
if get_file_preprocessor is None:
get_file_preprocessor = _get_preprocessor()
yield from _parse_file(
filename, match_kind, get_file_preprocessor, file_maxsizes)
def parse_files(filenames, *,
match_kind=None,
get_file_preprocessor=None,
file_maxsizes=None,
):
if get_file_preprocessor is None:
get_file_preprocessor = _get_preprocessor()
for filename in filenames:
yield from _parse_file(
filename, match_kind, get_file_preprocessor, file_maxsizes)
def _parse_file(filename, match_kind, get_file_preprocessor, maxsizes):
srckwargs = {}
maxsize = _resolve_max_size(filename, maxsizes)
if maxsize:
srckwargs['maxtext'], srckwargs['maxlines'] = maxsize
# Preprocess the file.
preprocess = get_file_preprocessor(filename)
preprocessed = preprocess()
if preprocessed is None:
return
# Parse the lines.
srclines = ((l.file, l.data) for l in preprocessed if l.kind == 'source')
for item in _parse(srclines, **srckwargs):
if match_kind is not None and not match_kind(item.kind):
continue
if not item.filename:
raise NotImplementedError(repr(item))
yield item
def _resolve_max_size(filename, maxsizes):
for pattern, maxsize in (maxsizes.items() if maxsizes else ()):
if _match_glob(filename, pattern):
break
else:
return None
if not maxsize:
return None, None
maxtext, maxlines = maxsize
if maxtext is not None:
maxtext = int(maxtext)
if maxlines is not None:
maxlines = int(maxlines)
return maxtext, maxlines
def parse_signature(text):
raise NotImplementedError
# aliases
from .info import resolve_parsed