cpython/Tools/c-analyzer/c_parser/parser/_delim.py

55 lines
1007 B
Python

import re
import textwrap
from ._regexes import _ind, STRING_LITERAL
def parse(text, anon_name):
context = None
data = None
for m in DELIMITER_RE.find_iter(text):
before, opened, closed = m.groups()
delim = opened or closed
handle_segment = HANDLERS[context][delim]
result, context, data = handle_segment(before, delim, data)
if result:
yield result
DELIMITER = textwrap.dedent(rf'''
(
(?:
[^'"()\[\]{};]*
{_ind(STRING_LITERAL, 3)}
}*
[^'"()\[\]{};]+
)? # <before>
(?:
(
[(\[{]
) # <open>
|
(
[)\]};]
) # <close>
)?
''')
DELIMITER_RE = re.compile(DELIMITER, re.VERBOSE)
_HANDLERS = {
None: { # global
# opened
'{': ...,
'[': None,
'(': None,
# closed
'}': None,
']': None,
')': None,
';': ...,
},
'': {
},
}