djsundog/circuitpython
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objgenerator: close(): Throw instance of GeneratorExit (not type).

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To comply with Python semantics and allow use of mp_obj_is_subclass_fast()
for exception matching.
This commit is contained in:
Paul Sokolovsky 2014-03-28 02:37:28 +02:00
parent 182c31a208
commit c4d589e2bb
3 changed files with 8 additions and 1 deletions
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1
py/obj.h
View File

@ -231,6 +231,7 @@ extern const mp_obj_t mp_const_false;
extern const mp_obj_t mp_const_true; extern const mp_obj_t mp_const_true;
extern const mp_obj_t mp_const_empty_tuple; extern const mp_obj_t mp_const_empty_tuple;
extern const mp_obj_t mp_const_ellipsis; extern const mp_obj_t mp_const_ellipsis;
extern const mp_obj_t mp_const_GeneratorExit;
// General API for objects // General API for objects

6
py/objexcept.c
View File

@ -21,6 +21,12 @@ typedef struct mp_obj_exception_t {
mp_obj_tuple_t args; mp_obj_tuple_t args;
} mp_obj_exception_t; } mp_obj_exception_t;
// Instance of GeneratorExit exception - needed by generator.close()
// This would belong to objgenerator.c, but to keep mp_obj_exception_t
// definition module-private so far, have it here.
STATIC mp_obj_exception_t GeneratorExit_obj = {{&mp_type_GeneratorExit}, MP_OBJ_NULL, NULL, {{&tuple_type}, 0}};
const mp_obj_t mp_const_GeneratorExit = (mp_obj_t)&GeneratorExit_obj;
STATIC void mp_obj_exception_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) { STATIC void mp_obj_exception_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t o_in, mp_print_kind_t kind) {
mp_obj_exception_t *o = o_in; mp_obj_exception_t *o = o_in;
if (o->msg != NULL) { if (o->msg != NULL) {

2
py/objgenerator.c
View File

@ -171,7 +171,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(gen_instance_throw_obj, 2, 4, gen_ins
STATIC mp_obj_t gen_instance_close(mp_obj_t self_in) { STATIC mp_obj_t gen_instance_close(mp_obj_t self_in) {
mp_obj_t ret; mp_obj_t ret;
switch (mp_obj_gen_resume(self_in, mp_const_none, (mp_obj_t)&mp_type_GeneratorExit, &ret)) { switch (mp_obj_gen_resume(self_in, mp_const_none, mp_const_GeneratorExit, &ret)) {
case MP_VM_RETURN_YIELD: case MP_VM_RETURN_YIELD:
nlr_jump(mp_obj_new_exception_msg(&mp_type_RuntimeError, "generator ignored GeneratorExit")); nlr_jump(mp_obj_new_exception_msg(&mp_type_RuntimeError, "generator ignored GeneratorExit"));