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* eval.c (rb_thread_raise): accept third argument as well as

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Kernel#raise, and evaluate the arguments to create an exception in
  the caller's context.  [ruby-talk:105507]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6605 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2004-07-09 05:29:45 +00:00
parent eb8cee076e
commit fea3684d5e
2 changed files with 34 additions and 13 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
Fri Jul 9 14:28:54 2004 Nobuyoshi Nakada <nobu@ruby-lang.org>
* eval.c (rb_thread_raise): accept third argument as well as
Kernel#raise, and evaluate the arguments to create an exception in
the caller's context. [ruby-talk:105507]
Fri Jul 9 01:47:08 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib : bug fix

37
eval.c
View file

@ -144,6 +144,8 @@ static VALUE method_call _((int, VALUE*, VALUE));
static VALUE rb_cUnboundMethod;
static VALUE umethod_bind _((VALUE, VALUE));
static VALUE rb_mod_define_method _((int, VALUE*, VALUE));
NORETURN(static void rb_raise_jump _((VALUE)));
static VALUE rb_make_exception _((int argc, VALUE *argv));
static int scope_vmode;
#define SCOPE_PUBLIC 0
@ -4389,6 +4391,15 @@ static VALUE
rb_f_raise(argc, argv)
int argc;
VALUE *argv;
{
rb_raise_jump(rb_make_exception(argc, argv));
return Qnil; /* not reached */
}
static VALUE
rb_make_exception(argc, argv)
int argc;
VALUE *argv;
{
VALUE mesg;
ID exception;
@ -4429,6 +4440,13 @@ rb_f_raise(argc, argv)
set_backtrace(mesg, argv[2]);
}
return mesg;
}
static void
rb_raise_jump(mesg)
VALUE mesg;
{
if (ruby_frame != top_frame) {
PUSH_FRAME(); /* fake frame */
*ruby_frame = *_frame.prev->prev;
@ -4436,8 +4454,6 @@ rb_f_raise(argc, argv)
POP_FRAME();
}
rb_longjmp(TAG_RAISE, mesg);
return Qnil; /* not reached */
}
void
@ -9764,8 +9780,7 @@ rb_thread_check(data)
static VALUE rb_thread_raise _((int, VALUE*, rb_thread_t));
static int th_raise_argc;
static VALUE th_raise_argv[2];
static VALUE th_raise_exception;
static NODE *th_raise_node;
static VALUE th_cmd;
static int th_sig, th_safe;
@ -9865,13 +9880,13 @@ rb_thread_switch(n)
case RESTORE_RAISE:
ruby_frame->last_func = 0;
ruby_current_node = th_raise_node;
rb_f_raise(th_raise_argc, th_raise_argv);
rb_raise_jump(th_raise_exception);
break;
case RESTORE_SIGNAL:
rb_raise(rb_eSignal, "SIG%s", th_signm);
break;
case RESTORE_EXIT:
ruby_errinfo = th_raise_argv[0];
ruby_errinfo = th_raise_exception;
ruby_current_node = th_raise_node;
error_print();
terminate_process(EXIT_FAILURE, 0, 0);
@ -10034,8 +10049,7 @@ rb_thread_main_jump(err, tag)
int tag;
{
curr_thread = main_thread;
th_raise_argc = 1;
th_raise_argv[0] = err;
th_raise_exception = err;
th_raise_node = ruby_current_node;
rb_thread_restore_context(main_thread, tag);
}
@ -11816,13 +11830,15 @@ rb_thread_raise(argc, argv, th)
rb_thread_t th;
{
volatile rb_thread_t th_save = th;
VALUE exc;
if (!th->next) {
rb_raise(rb_eArgError, "unstarted thread");
}
if (rb_thread_dead(th)) return Qnil;
exc = rb_make_exception(argc, argv);
if (curr_thread == th) {
rb_f_raise(argc, argv);
rb_raise_jump(exc);
}
if (!rb_thread_dead(curr_thread)) {
@ -11831,11 +11847,10 @@ rb_thread_raise(argc, argv, th)
}
}
rb_scan_args(argc, argv, "11", &th_raise_argv[0], &th_raise_argv[1]);
rb_thread_ready(th);
curr_thread = th;
th_raise_argc = argc;
th_raise_exception = exc;
th_raise_node = ruby_current_node;
rb_thread_restore_context(curr_thread, RESTORE_RAISE);
return Qnil; /* not reached */