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objexcept: Add "args" exception attribute, as well as StopIteration.value.

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This commit is contained in:
Paul Sokolovsky
2014-03-25 01:29:09 +02:00
parent 7f8b31345b
commit 9512e9e817
3 changed files with 24 additions and 0 deletions
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16
py/objexcept.c
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@@ -53,16 +53,31 @@ STATIC mp_obj_t mp_obj_exception_make_new(mp_obj_t type_in, uint n_args, uint n_
o->base.type = type;
o->traceback = MP_OBJ_NULL;
o->msg = NULL;
o->args.base.type = &tuple_type;
o->args.len = n_args;
memcpy(o->args.items, args, n_args * sizeof(mp_obj_t));
return o;
}
STATIC void exception_load_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
mp_obj_exception_t *self = self_in;
if (attr == MP_QSTR_args) {
dest[0] = &self->args;
} else if (self->base.type == &mp_type_StopIteration && attr == MP_QSTR_value) {
if (self->args.len == 0) {
dest[0] = mp_const_none;
} else {
dest[0] = self->args.items[0];
}
}
}
const mp_obj_type_t mp_type_BaseException = {
{ &mp_type_type },
.name = MP_QSTR_BaseException,
.print = mp_obj_exception_print,
.make_new = mp_obj_exception_make_new,
.load_attr = exception_load_attr,
};
#define MP_DEFINE_EXCEPTION_BASE(base_name) \
@@ -74,6 +89,7 @@ const mp_obj_type_t mp_type_ ## exc_name = { \
.name = MP_QSTR_ ## exc_name, \
.print = mp_obj_exception_print, \
.make_new = mp_obj_exception_make_new, \
.load_attr = exception_load_attr, \
.bases_tuple = (mp_obj_t)&mp_type_ ## base_name ## _base_tuple, \
};