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  • Damien George's avatar
    py: Use a wrapper to explicitly check self argument of builtin methods. · 06593fb0
    Damien George authored
    Previous to this patch a call such as list.append(1, 2) would lead to a
    seg fault.  This is because list.append is a builtin method and the first
    argument to such methods is always assumed to have the correct type.
    Now, when a builtin method is extracted like this it is wrapped in a
    checker object which checks the the type of the first argument before
    calling the builtin function.
    This feature is contrelled by MICROPY_BUILTIN_METHOD_CHECK_SELF_ARG and
    is enabled by default.
    See issue #1216.