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Add SystemExit exception and use it in unix/ and stmhal/ ports. 

Addresses issue #598.
This commit is contained in:
Damien George 2014-05-24 23:32:19 +01:00
parent ee3fd46f13
commit 7a4ddd2428
5 changed files with 10 additions and 4 deletions
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1
py/obj.h
View File

@ -344,6 +344,7 @@ extern const mp_obj_type_t mp_type_RuntimeError;
extern const mp_obj_type_t mp_type_StopIteration;
extern const mp_obj_type_t mp_type_SyntaxError;
extern const mp_obj_type_t mp_type_SystemError;
extern const mp_obj_type_t mp_type_SystemExit;
extern const mp_obj_type_t mp_type_TypeError;
extern const mp_obj_type_t mp_type_ValueError;
extern const mp_obj_type_t mp_type_ZeroDivisionError;

2
py/objexcept.c
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@ -159,7 +159,7 @@ const mp_obj_type_t mp_type_ ## exc_name = { \
// List of all exceptions, arranged as in the table at:
// http://docs.python.org/3.3/library/exceptions.html
MP_DEFINE_EXCEPTION_BASE(BaseException)
//MP_DEFINE_EXCEPTION(SystemExit, BaseException)
MP_DEFINE_EXCEPTION(SystemExit, BaseException)
//MP_DEFINE_EXCEPTION(KeyboardInterrupt, BaseException)
MP_DEFINE_EXCEPTION(GeneratorExit, BaseException)
MP_DEFINE_EXCEPTION(Exception, BaseException)

1
py/qstrdefs.h
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@ -102,6 +102,7 @@ Q(OverflowError)
Q(RuntimeError)
Q(SyntaxError)
Q(SystemError)
Q(SystemExit)
Q(TypeError)
Q(UnboundLocalError)
Q(ValueError)

3
stmhal/main.c
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@ -556,7 +556,6 @@ STATIC NORETURN mp_obj_t mp_sys_exit(uint n_args, const mp_obj_t *args) {
if (n_args > 0) {
rc = mp_obj_get_int(args[0]);
}
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_NotImplementedError,
"sys.exit(%d) called, is not fully implemented", rc));
nlr_raise(mp_obj_new_exception_arg1(&mp_type_SystemExit, mp_obj_new_int(rc)));
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_sys_exit_obj, 0, 1, mp_sys_exit);

7
unix/main.c
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@ -123,6 +123,11 @@ STATIC int execute_from_lexer(mp_lexer_t *lex, mp_parse_input_kind_t input_kind,
return 0;
} else {
// uncaught exception
// check for SystemExit
mp_obj_t exc = (mp_obj_t)nlr.ret_val;
if (mp_obj_is_subclass_fast(mp_obj_get_type(exc), &mp_type_SystemExit)) {
exit(mp_obj_get_int(mp_obj_exception_get_value(exc)));
}
mp_obj_print_exception((mp_obj_t)nlr.ret_val);
return 1;
}
@ -383,7 +388,7 @@ STATIC mp_obj_t mp_sys_exit(uint n_args, const mp_obj_t *args) {
if (n_args > 0) {
rc = mp_obj_get_int(args[0]);
}
exit(rc);
nlr_raise(mp_obj_new_exception_arg1(&mp_type_SystemExit, mp_obj_new_int(rc)));
}
MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_sys_exit_obj, 0, 1, mp_sys_exit);