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load.c: reduce EXEC_TAGs

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* load.c (rb_load_internal0): do not raise any exceptions but
  return the result tag state.
* load.c (rb_load_protect): reduce nested EXEC_TAGs.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-07-18 11:44:59 +00:00
parent e9e08a5b10
commit 1998039ea4
2 changed files with 33 additions and 9 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
Sat Jul 18 20:44:56 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* load.c (rb_load_internal0): do not raise any exceptions but
return the result tag state.
* load.c (rb_load_protect): reduce nested EXEC_TAGs.
Sat Jul 18 19:52:17 2015 Nobuyoshi Nakada <nobu@ruby-lang.org> Sat Jul 18 19:52:17 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* gc.c (run_finalizer): set and restore safe level here to reduce * gc.c (run_finalizer): set and restore safe level here to reduce

35
load.c
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@ -573,7 +573,7 @@ rb_provide(const char *feature)
NORETURN(static void load_failed(VALUE)); NORETURN(static void load_failed(VALUE));
static inline void static int
rb_load_internal0(rb_thread_t *th, VALUE fname, int wrap) rb_load_internal0(rb_thread_t *th, VALUE fname, int wrap)
{ {
int state; int state;
@ -623,42 +623,59 @@ rb_load_internal0(rb_thread_t *th, VALUE fname, int wrap)
if (!loaded && !FIXNUM_P(th->errinfo)) { if (!loaded && !FIXNUM_P(th->errinfo)) {
/* an error on loading don't include INT2FIX(TAG_FATAL) see r35625 */ /* an error on loading don't include INT2FIX(TAG_FATAL) see r35625 */
rb_exc_raise(th->errinfo); return TAG_RAISE;
} }
if (state) { if (state) {
rb_vm_jump_tag_but_local_jump(state); VALUE exc = rb_vm_make_jump_tag_but_local_jump(state, Qundef);
if (NIL_P(exc)) return state;
th->errinfo = exc;
return TAG_RAISE;
} }
if (!NIL_P(th->errinfo)) { if (!NIL_P(th->errinfo)) {
/* exception during load */ /* exception during load */
rb_exc_raise(th->errinfo); return TAG_RAISE;
} }
return state;
} }
static void static void
rb_load_internal(VALUE fname, int wrap) rb_load_internal(VALUE fname, int wrap)
{ {
rb_load_internal0(GET_THREAD(), fname, wrap); rb_thread_t *curr_th = GET_THREAD();
int state = rb_load_internal0(curr_th, fname, wrap);
if (state) {
if (state == TAG_RAISE) rb_exc_raise(curr_th->errinfo);
JUMP_TAG(state);
}
}
static VALUE
file_to_load(VALUE fname)
{
VALUE tmp = rb_find_file(FilePathValue(fname));
if (!tmp) load_failed(fname);
return tmp;
} }
void void
rb_load(VALUE fname, int wrap) rb_load(VALUE fname, int wrap)
{ {
VALUE tmp = rb_find_file(FilePathValue(fname)); rb_load_internal(file_to_load(fname), wrap);
if (!tmp) load_failed(fname);
rb_load_internal(tmp, wrap);
} }
void void
rb_load_protect(VALUE fname, int wrap, int *state) rb_load_protect(VALUE fname, int wrap, int *state)
{ {
int status; int status;
volatile VALUE path = 0;
PUSH_TAG(); PUSH_TAG();
if ((status = EXEC_TAG()) == 0) { if ((status = EXEC_TAG()) == 0) {
rb_load(fname, wrap); path = file_to_load(fname);
} }
POP_TAG(); POP_TAG();
if (!status) status = rb_load_internal0(GET_THREAD(), path, wrap);
if (state) if (state)
*state = status; *state = status;
} }