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unix/coveragecpp: Verify struct-initializing macros' C++-compatibility.

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Add code using all relevant macros to make sure they initialize
structs correctly.

Signed-off-by: stijn <stijn@ignitron.net>
This commit is contained in:
stijn 2025-04-22 13:31:45 +02:00
parent 02eea0da24
commit 9a377801dc
1 changed files with 51 additions and 0 deletions
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51
ports/unix/coveragecpp.cpp
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@ -17,10 +17,61 @@ extern "C" {
#include <py/runtime.h>
}
// Invoke all (except one, see below) public API macros which initialize structs to make sure
// they are C++-compatible, meaning they explicitly initialize all struct members.
mp_obj_t f0();
MP_DEFINE_CONST_FUN_OBJ_0(f0_obj, f0);
mp_obj_t f1(mp_obj_t);
MP_DEFINE_CONST_FUN_OBJ_1(f1_obj, f1);
mp_obj_t f2(mp_obj_t, mp_obj_t);
MP_DEFINE_CONST_FUN_OBJ_2(f2_obj, f2);
mp_obj_t f3(mp_obj_t, mp_obj_t, mp_obj_t);
MP_DEFINE_CONST_FUN_OBJ_3(f3_obj, f3);
mp_obj_t fvar(size_t, const mp_obj_t *);
MP_DEFINE_CONST_FUN_OBJ_VAR(fvar_obj, 1, fvar);
mp_obj_t fvarbetween(size_t, const mp_obj_t *);
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(fvarbetween_obj, 1, 2, fvarbetween);
mp_obj_t fkw(size_t, const mp_obj_t *, mp_map_t *);
MP_DEFINE_CONST_FUN_OBJ_KW(fkw_obj, 1, fkw);
static const mp_rom_map_elem_t table[] = {
{ MP_ROM_QSTR(MP_QSTR_f0), MP_ROM_PTR(&f0_obj) },
};
MP_DEFINE_CONST_MAP(map, table);
MP_DEFINE_CONST_DICT(dict, table);
static const qstr attrtuple_fields[] = {
MP_QSTR_f0,
};
MP_DEFINE_ATTRTUPLE(attrtuple, attrtuple_fields, 1, MP_ROM_PTR(&f0_obj));
void nlr_cb(void *);
void nlr_cb(void *){
}
// The MP_DEFINE_CONST_OBJ_TYPE macro is not C++-compatible because each of the
// MP_DEFINE_CONST_OBJ_TYPE_NARGS_X macros only initializes some of _mp_obj_type_t's
// .slot_index_xxx members but that cannot be fixed to be done in a deterministic way.
#if defined(MICROPY_UNIX_COVERAGE)
// Just to test building of C++ code.
static mp_obj_t extra_cpp_coverage_impl() {
MP_DEFINE_NLR_JUMP_CALLBACK_FUNCTION_1(ctx, nlr_cb, (void *) nlr_cb);
// To avoid 'error: unused variable [-Werror,-Wunused-const-variable]'.
(void) ctx;
(void) f0_obj;
(void) f1_obj;
(void) f2_obj;
(void) f3_obj;
(void) fvar_obj;
(void) fvarbetween_obj;
(void) fkw_obj;
(void) map;
(void) dict;
(void) attrtuple;
return mp_const_none;
}