change abort so that it won't be caught by handlers.

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1179 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2004-11-19 21:32:53 +00:00
parent 0070c26061
commit 7d245377a3
6 changed files with 28 additions and 12 deletions

View File

@ -434,8 +434,8 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
error_exit_yap (1);
}
case PURE_ABORT:
nt[0] = MkAtomTerm(Yap_LookupAtom(tmpbuf));
fun = Yap_MkFunctor(Yap_LookupAtom("abort"),2);
fprintf(stderr,"%% YAP execution aborted.\n");
fun = FunctorVar;
serious = TRUE;
break;
case CALL_COUNTER_UNDERFLOW:
@ -1614,7 +1614,7 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
}
if (serious) {
if (type == PURE_ABORT)
Yap_JumpToEnv(MkAtomTerm(Yap_LookupAtom("abort")));
Yap_JumpToEnv(MkAtomTerm(Yap_LookupAtom("$abort")));
else
Yap_JumpToEnv(Yap_MkApplTerm(fun, 2, nt));
P = (yamop *)FAILCODE;

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@ -1409,14 +1409,16 @@ JumpToEnv(Term t) {
}
if (B->cp_ap == NOCODE) {
/* up to the C-code to deal with this! */
UncaughtThrow = TRUE;
B->cp_h = H;
EX = t;
return(FALSE);
return FALSE;
}
B = B->cp_b;
}
/* uncaught throw */
if (B == NULL) {
UncaughtThrow = TRUE;
B = B0;
#if PUSH_REGS
restore_absmi_regs(&Yap_standard_regs);
@ -1534,6 +1536,13 @@ Yap_InitYaamRegs(void)
DelayedTrace = FALSE;
}
static Int
p_uncaught_throw(void)
{
Int out = UncaughtThrow;
UncaughtThrow = FALSE; /* just caught it */
return out;
}
void
Yap_InitExecFs(void)
@ -1564,5 +1573,6 @@ Yap_InitExecFs(void)
Yap_InitCPred("$clean_ifcp", 1, p_clean_ifcp, SafePredFlag|HiddenPredFlag);
Yap_InitCPred("$jump_env_and_store_ball", 1, p_jump_env, HiddenPredFlag);
Yap_InitCPred("$generate_pred_info", 4, p_generate_pred_info, HiddenPredFlag);
Yap_InitCPred("$uncaught_throw", 0, p_uncaught_throw, HiddenPredFlag);
}

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@ -10,7 +10,7 @@
* File: Heap.h *
* mods: *
* comments: Heap Init Structure *
* version: $Id: Heap.h,v 1.71 2004-11-04 18:22:34 vsc Exp $ *
* version: $Id: Heap.h,v 1.72 2004-11-19 21:32:53 vsc Exp $ *
*************************************************************************/
/* information that can be stored in Code Space */
@ -54,6 +54,7 @@ typedef struct worker_local_struct {
UInt i_pred_arity;
yamop *prof_end;
Int start_line;
int uncaught_throw;
scratch_block scratchpad;
#ifdef MULTI_ASSIGNMENT_VARIABLES
Term woken_goals;
@ -65,7 +66,7 @@ typedef struct worker_local_struct {
Int tot_gc_time; /* total time spent in GC */
Int tot_gc_recovered; /* number of heap objects in all garbage collections */
jmp_buf gc_restore; /* where to jump if garbage collection crashes */
struct trail_frame *old_TR;
struct trail_frame *old_TR;
yamop trust_lu_code[3];
} worker_local;
@ -668,6 +669,7 @@ struct various_codes *heap_regs;
#if defined(YAPOR) || defined(THREADS)
#define SignalLock heap_regs->wl[worker_id].signal_lock
#define WPP heap_regs->wl[worker_id].wpp
#define UncaughtThrow heap_regs->wl[worker_id].uncaught_throw
#define ActiveSignals heap_regs->wl[worker_id].active_signals
#define DelayedTrace heap_regs->wl[worker_id].delayed_trace
#define IPredArity heap_regs->wl[worker_id].i_pred_arity
@ -690,6 +692,7 @@ struct various_codes *heap_regs;
#define DelayedTrace heap_regs->wl.delayed_trace
#define IPredArity heap_regs->wl.i_pred_arity
#define ProfEnd heap_regs->wl.prof_end
#define UncaughtThrow heap_regs->wl.uncaught_throw
#define StartLine heap_regs->wl.start_line
#define ScratchPad heap_regs->wl.scratchpad
#ifdef COROUTINING

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@ -48,7 +48,7 @@ read_sig.
'$init_system' :-
% do catch as early as possible
(
'$access_yap_flags'(15, 0) ->
'$access_yap_flags'(15, 0), \+ '$uncaught_throw' ->
'$version'
;
true
@ -1099,7 +1099,7 @@ throw(Ball) :-
'$handle_throw'(_, _, _).
'$handle_throw'(C, A, Ball) :-
% reset info
(C = Ball ->
(Ball \== '$abort', C = Ball ->
'$execute'(A)
;
throw(Ball)

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@ -333,7 +333,7 @@ debugging :-
'$loop_spy_event'('$fail_spy'(GoalNumber), _, _, _, _) :- !,
throw('$fail_spy'(GoalNumber)).
'$loop_spy_event'(abort, _, _, _, _) :- !,
throw(abort).
throw('$abort').
'$loop_spy_event'(Event, GoalNumber, G, Module, InControl) :- !,
'$system_catch'(
('$trace'(exception(Event),G,Module,GoalNumber),fail),

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@ -11,8 +11,11 @@
* File: errors.yap *
* comments: error messages for YAP *
* *
* Last rev: $Date: 2004-10-27 15:56:34 $,$Author: vsc $ *
* Last rev: $Date: 2004-11-19 21:32:53 $,$Author: vsc $ *
* $Log: not supported by cvs2svn $
* Revision 1.57 2004/10/27 15:56:34 vsc
* bug fixes on memory overflows and on clauses :- fail being ignored by clause.
*
* Revision 1.56 2004/10/04 18:56:20 vsc
* fixes for thread support
* fix indexing bug (serious)
@ -67,7 +70,7 @@
'$process_error'(abort, top) :- !,
print_message(informational,abort(user)).
'$process_error'(abort, _) :- !,
throw(abort).
throw('$abort').
'$process_error'(error(Msg, Where), _) :- !,
'$set_fpu_exceptions',
'$print_message'(error,error(Msg, Where)).
@ -113,7 +116,7 @@ print_message(Level, Mss) :-
'$do_informational_message'(halt) :- !,
format(user_error, '% YAP execution halted~n', []).
'$do_informational_message'(abort(_)) :- !,
'$do_informational_message'('$abort') :- !,
format(user_error, '% YAP execution aborted~n', []).
'$do_informational_message'(loading(_,user)) :- !.
'$do_informational_message'(loading(What,AbsoluteFileName)) :- !,