buildroot/utils/checksymbolslib/kconfig.py

140 lines
4.3 KiB
Python

import os
import checksymbolslib.br as br
def all_symbols_from(line):
clean_line = br.re_comments.sub('', line)
symbols = br.re_kconfig_symbol.findall(clean_line)
return symbols
def handle_definition(db, filename, lineno, line, legacy):
for symbol in all_symbols_from(line):
if legacy:
db.add_symbol_legacy_definition(symbol, filename, lineno)
else:
db.add_symbol_definition(symbol, filename, lineno)
def handle_usage(db, filename, lineno, line, legacy):
for symbol in all_symbols_from(line):
if legacy:
db.add_symbol_usage_in_legacy(symbol, filename, lineno)
else:
db.add_symbol_usage(symbol, filename, lineno)
def handle_default(db, filename, lineno, line, legacy):
if legacy:
handle_usage(db, filename, lineno, line, legacy)
return
if not br.re_kconfig_default_legacy_comment.search(line):
handle_usage(db, filename, lineno, line, legacy)
return
after = br.re_kconfig_default_before_conditional.sub('', line)
for symbol in all_symbols_from(after):
db.add_symbol_legacy_usage(symbol, filename, lineno)
def handle_select(db, filename, lineno, line, legacy):
handle_usage(db, filename, lineno, line, legacy)
before = br.re_kconfig_select_conditional.sub('', line)
for symbol in all_symbols_from(before):
db.add_symbol_select(symbol, filename, lineno)
line_type_handlers = {
br.re_kconfig_config: handle_definition,
br.re_kconfig_default: handle_default,
br.re_kconfig_depends: handle_usage,
br.re_kconfig_if: handle_usage,
br.re_kconfig_select: handle_select,
br.re_kconfig_source: handle_usage,
}
def handle_line(db, filename, lineno, line, legacy):
if not br.re_kconfig_symbol.search(line):
return
for regexp, line_type_handler in line_type_handlers.items():
if regexp.search(line):
line_type_handler(db, filename, lineno, line, legacy)
def handle_config_helper(db, filename, file_content):
symbol = None
lineno = None
state = 'none'
for cur_lineno, line in file_content:
if state == 'none':
m = br.re_kconfig_config.search(line)
if m is not None:
symbol = m.group(2)
lineno = cur_lineno
state = 'config'
continue
if state == 'config':
if br.re_kconfig_select.search(line):
db.add_symbol_helper(symbol, filename, lineno)
state = 'none'
continue
m = br.re_kconfig_config.search(line)
if m is not None:
symbol = m.group(2)
lineno = cur_lineno
continue
def handle_config_choice(db, filename, file_content):
state = 'none'
for lineno, line in file_content:
if state == 'none':
if br.re_kconfig_choice.search(line):
state = 'choice'
continue
if state == 'choice':
if br.re_kconfig_endchoice.search(line):
state = 'none'
continue
m = br.re_kconfig_config.search(line)
if m is not None:
symbol = m.group(2)
db.add_symbol_choice(symbol, filename, lineno)
continue
def handle_note(db, filename, file_content):
state = 'none'
for lineno, line in file_content:
if state == 'none':
if br.re_menu.search(line):
state = 'menu'
continue
if state == 'menu':
if br.re_endmenu.search(line):
state = 'none'
continue
m = br.re_legacy_special_comment.search(line)
if m is not None:
symbol = m.group(1)
db.add_symbol_legacy_note(symbol, filename, lineno)
continue
def populate_db(db, filename, file_content):
legacy = filename.endswith('.legacy')
for lineno, line in file_content:
handle_line(db, filename, lineno, line, legacy)
handle_config_helper(db, filename, file_content)
handle_config_choice(db, filename, file_content)
if legacy:
handle_note(db, filename, file_content)
def check_filename(filename):
if os.path.basename(filename).startswith('Config.'):
return True
return False