Add symbol value origin tracking #16
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Track the origin of configuration symbol values through a new 'origin' property. This allows users to understand how and where each symbol's value was determined. Features: - Track 5 kinds of value origins: assign, default, select, imply, unset - Record location information (filename, line number) for value sources - Refactor MenuNode to use 'loc' tuple instead of separate filename/linenr - Maintain backward compatibility with filename/linenr properties - Extend set_value() API with optional 'loc' parameter The implementation provides detailed insight into configuration symbol derivation, which is valuable for debugging complex Kconfig scenarios. Based on zephyrproject-rtos/Kconfiglib#18 by Luca Burelli. Signed-off-by: Jim Huang <jserv@ccns.ncku.edu.tw>
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Track the origin of configuration symbol values through a new 'origin' property. This allows users to understand how and where each symbol's value was determined.
Features:
The implementation provides detailed insight into configuration symbol derivation, which is valuable for debugging complex Kconfig scenarios.
Based on zephyrproject-rtos/Kconfiglib#18 by Luca Burelli.