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#!/usr/bin/env python3
import argparse
from Kconfiglib import kconfiglib
def search(node, term):
while node:
if isinstance(node.item, kconfiglib.Symbol):
if node.item.name == term:
return node.item.str_value
if node.list:
r = search(node.list, term)
if r is not None:
return r
node = node.next
def searchBug(node, term):
bugs = ""
while node:
if isinstance(node.item, kconfiglib.Symbol):
if node.item.name.startswith(term):
if bugs is not "":
bugs += ";"
bugs += node.item.name
if node.list:
r = searchBug(node.list, term)
if r is not None and r is not "":
if bugs is not "":
bugs += ";"
bugs += r
node = node.next
return bugs
def main(args):
kconf = kconfiglib.Kconfig(args.kconfig)
if args.dotconfig is not None:
kconf.load_config(args.dotconfig)
i = ""
if args.setting.endswith("BUG"):
i = searchBug(kconf.top_node, args.setting)
else:
i = search(kconf.top_node, args.setting)
if i is not None:
print(i)
def writeItem(node, gen):
while node:
if isinstance(node.item, kconfiglib.Symbol):
if node.item.str_value == 'y':
gen.write("#define CONFIG_{0}\n".format(node.item.name))
elif node.item.str_value == 'n':
gen.write("#undef CONFIG_{0}\n".format(node.item.name))
else:
gen.write("#define CONFIG_{0} \"{1}\"\n".format(node.item.name, node.item.str_value))
if node.list:
writeItem(node.list, gen)
node = node.next
def generate(args):
kconf = kconfiglib.Kconfig(args.kconfig)
if args.dotconfig is not None:
kconf.load_config(args.dotconfig)
with open(args.generate, "wt") as gen:
gen.write("// This is an auto-generated file, do not edit.\n")
writeItem(kconf.top_node, gen)
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("--kconfig", metavar="Kconfig", nargs="?", default="Kconfig", help="Top-level Kconfig file (default: Kconfig)")
parser.add_argument("--dotconfig", metavar="dotconfig", nargs="?", help=".config")
parser.add_argument("--generate", metavar="config_header", nargs="?", help="Generate config file")
parser.add_argument("setting", metavar="CONFIG_KEY", nargs="?", help="Top-level Kconfig file (default: Kconfig)")
args = parser.parse_args()
if args.generate is not None:
generate(args)
else:
main(args)
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