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scripts/checkkconfigsymbols.py: support default statements

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Until now, checkkonfigsymbols.py did not check default statements for
references on missing Kconfig symbols (i.e., undefined Kconfig options).
Hence, add support to parse and check the Kconfig default statement.

Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valentin Rothberg 2015-07-27 12:33:05 +02:00 committed by Greg Kroah-Hartman
parent c745566306
commit 0bd38ae355
1 changed files with 7 additions and 2 deletions
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9
scripts/checkkconfigsymbols.py
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@ -20,18 +20,20 @@ OPERATORS = r"&|\(|\)|\||\!"
FEATURE = r"(?:\w*[A-Z0-9]\w*){2,}"
DEF = r"^\s*(?:menu){,1}config\s+(" + FEATURE + r")\s*"
EXPR = r"(?:" + OPERATORS + r"|\s|" + FEATURE + r")+"
STMT = r"^\s*(?:if|select|depends\s+on)\s+" + EXPR
DEFAULT = r"default\s+.*?(?:if\s.+){,1}"
STMT = r"^\s*(?:if|select|depends\s+on|(?:" + DEFAULT + r"))\s+" + EXPR
SOURCE_FEATURE = r"(?:\W|\b)+[D]{,1}CONFIG_(" + FEATURE + r")"
# regex objects
REGEX_FILE_KCONFIG = re.compile(r".*Kconfig[\.\w+\-]*$")
REGEX_FEATURE = re.compile(r"(" + FEATURE + r")")
REGEX_FEATURE = re.compile(r'(?!\B"[^"]*)' + FEATURE + r'(?![^"]*"\B)')
REGEX_SOURCE_FEATURE = re.compile(SOURCE_FEATURE)
REGEX_KCONFIG_DEF = re.compile(DEF)
REGEX_KCONFIG_EXPR = re.compile(EXPR)
REGEX_KCONFIG_STMT = re.compile(STMT)
REGEX_KCONFIG_HELP = re.compile(r"^\s+(help|---help---)\s*$")
REGEX_FILTER_FEATURES = re.compile(r"[A-Za-z0-9]$")
REGEX_NUMERIC = re.compile(r"0[xX][0-9a-fA-F]+|[0-9]+")
def parse_options():
@ -314,6 +316,9 @@ def parse_kconfig_file(kfile, defined_features, referenced_features):
line = line.strip('\n')
features.extend(get_features_in_line(line))
for feature in set(features):
if REGEX_NUMERIC.match(feature):
# ignore numeric values
continue
paths = referenced_features.get(feature, set())
paths.add(kfile)
referenced_features[feature] = paths