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import csv
import os.path
from c_analyzer.parser.declarations import extract_storage
from c_analyzer.variables import known as _common
from c_analyzer.variables.info import Variable
from . import DATA_DIR
# XXX need tests:
# * from_file()
# * look_up_variable()
DATA_FILE = os.path.join(DATA_DIR, 'known.tsv')
def _get_storage(decl, infunc):
# statics
if decl.startswith(('Py_LOCAL(', 'Py_LOCAL_INLINE(')):
return 'static'
if decl.startswith(('_Py_IDENTIFIER(', '_Py_static_string(')):
return 'static'
if decl.startswith('PyDoc_VAR('):
return 'static'
if decl.startswith(('SLOT1BINFULL(', 'SLOT1BIN(')):
return 'static'
if decl.startswith('WRAP_METHOD('):
return 'static'
# public extern
if decl.startswith('PyAPI_DATA('):
return 'extern'
# Fall back to the normal handler.
return extract_storage(decl, infunc=infunc)
def _handle_var(varid, decl):
# if varid.name == 'id' and decl == UNKNOWN:
# # None of these are variables.
# decl = 'int id';
storage = _get_storage(decl, varid.funcname)
return Variable(varid, storage, decl)
def from_file(infile=DATA_FILE, *,
_from_file=_common.from_file,
_handle_var=_handle_var,
):
"""Return the info for known declarations in the given file."""
return _from_file(infile, handle_var=_handle_var)
def look_up_variable(varid, knownvars, *,
_lookup=_common.look_up_variable,
):
"""Return the known variable matching the given ID.
"knownvars" is a mapping of ID to Variable.
"match_files" is used to verify if two filenames point to
the same file.
If no match is found then None is returned.
"""
return _lookup(varid, knownvars)
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