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Commit 0bd38ae3 authored by Valentin Rothberg's avatar Valentin Rothberg Committed by Greg Kroah-Hartman
Browse files

scripts/checkkconfigsymbols.py: support default statements 



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: default avatarValentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c7455663

scripts/checkkconfigsymbols.py

+7 −2
Original line number Diff line number Diff line
@@ -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