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path: root/libs/kstd/gdb/string.py
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import gdb  # pyright: ignore[reportMissingModuleSource]


class KstdStringPrinter(gdb.ValuePrinter):

    def __init__(self, val):
        self.__val = val
        self.__data = val["m_data"]
        self.__length = val["m_length"]

    def to_string(self):
        if int(self.__length) <= 0:
            return '""'

        try:
            if hasattr(self.__data, "lazy_string"):
                return self.__data.lazy_string(encoding="utf-8", length=self.__length)
            return self.__data.string(encoding="utf-8", length=self.__length)
        except gdb.error:
            return "<unreadable memory>"

    def display_hint(self):
        return "string"