esp-idf/tools/ldgen/ldgen/sdkconfig.py

27 lines
790 B
Python

#
# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
#
import kconfiglib
class SDKConfig:
"""
Evaluates conditional expressions based on the build's sdkconfig and Kconfig files.
"""
def __init__(self, kconfig_file, sdkconfig_file):
self.config = kconfiglib.Kconfig(kconfig_file)
self.config.load_config(sdkconfig_file)
self.config.warn = False # eval_string may contain un-declared symbol
def evaluate_expression(self, expression):
result = self.config.eval_string(expression)
if result == 0: # n
return False
elif result == 2: # y
return True
else: # m
raise Exception('unsupported config expression result')