kopia lustrzana https://github.com/micropython/micropython
extmod/moductypes: Implement __int__ for PTR.
Allows to get address a pointer contains, as an integer.pull/4335/head
rodzic
d690c2e148
commit
9d864bde04
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@ -614,6 +614,25 @@ STATIC mp_obj_t uctypes_struct_subscr(mp_obj_t self_in, mp_obj_t index_in, mp_ob
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}
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}
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}
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}
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STATIC mp_obj_t uctypes_struct_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
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mp_obj_uctypes_struct_t *self = MP_OBJ_TO_PTR(self_in);
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switch (op) {
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case MP_UNARY_OP_INT:
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if (MP_OBJ_IS_TYPE(self->desc, &mp_type_tuple)) {
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mp_obj_tuple_t *t = MP_OBJ_TO_PTR(self->desc);
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mp_int_t offset = MP_OBJ_SMALL_INT_VALUE(t->items[0]);
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uint agg_type = GET_TYPE(offset, AGG_TYPE_BITS);
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if (agg_type == PTR) {
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byte *p = *(void**)self->addr;
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return mp_obj_new_int((mp_int_t)(uintptr_t)p);
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}
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}
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/* fallthru */
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default: return MP_OBJ_NULL; // op not supported
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}
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}
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STATIC mp_int_t uctypes_get_buffer(mp_obj_t self_in, mp_buffer_info_t *bufinfo, mp_uint_t flags) {
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STATIC mp_int_t uctypes_get_buffer(mp_obj_t self_in, mp_buffer_info_t *bufinfo, mp_uint_t flags) {
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(void)flags;
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(void)flags;
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mp_obj_uctypes_struct_t *self = MP_OBJ_TO_PTR(self_in);
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mp_obj_uctypes_struct_t *self = MP_OBJ_TO_PTR(self_in);
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@ -662,6 +681,7 @@ STATIC const mp_obj_type_t uctypes_struct_type = {
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.make_new = uctypes_struct_make_new,
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.make_new = uctypes_struct_make_new,
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.attr = uctypes_struct_attr,
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.attr = uctypes_struct_attr,
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.subscr = uctypes_struct_subscr,
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.subscr = uctypes_struct_subscr,
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.unary_op = uctypes_struct_unary_op,
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.buffer_p = { .get_buffer = uctypes_get_buffer },
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.buffer_p = { .get_buffer = uctypes_get_buffer },
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};
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};
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