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errors

This commit is contained in:
Vitor Santos Costa 2019-03-28 14:06:16 +00:00
parent c50367325e
commit de153bd479
7 changed files with 81 additions and 48 deletions
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21
os/streams.c
View File

@ -93,6 +93,9 @@ static char SccsId[] = "%W% %G%";
#endif
#endif
#include "iopreds.h"
#if HAVE_EXECINFO_H
#include <execinfo.h>
#endif
#if _MSC_VER || defined(__MINGW32__)
#define SYSTEM_STAT _stat
@ -128,6 +131,7 @@ FILE *Yap_GetOutputStream(Term t, const char *msg) {
return rc;
}
cmax =7;
int GetFreeStreamD(void) {
CACHE_REGS
LOCK(GLOBAL_StreamDescLock);
@ -137,6 +141,23 @@ int GetFreeStreamD(void) {
break;
}
}
#if HAVE_BACKTRACEX
void *callstack[256];
int i;
if (sno > cmax) {
cmax++;
for (i=7; i< sno; i++)
fprintf(stderr," %d %x\n", i,GLOBAL_Stream[i].status);
}
fprintf(stderr, "++++ got %d\n", sno);
int frames = backtrace(callstack, 256);
char **strs = backtrace_symbols(callstack, frames);
fprintf(stderr, "Execution stack:\n");
for (i = 0; i < 5; ++i) {
fprintf(stderr, " %s\n", strs[i]);
}
free(strs);
#endif
if (sno == MaxStreams) {
UNLOCK(GLOBAL_StreamDescLock);
return -1;

1
packages/python/yap_kernel/yap_ipython/yapi.py
View File

@ -700,7 +700,6 @@ class YAPRun(InteractiveShell):
# can fill in the output value.
self.shell.displayhook.exec_result = result
(program,squery,_ ,howmany) = self.prolog_cell(cell)
print("program",program, "q", squery, "h",howmany)
if howmany <= 0 and not program:
return result
if self.syntaxErrors(program+squery+".\n") :

44
pl/debug.yap
View File

@ -299,7 +299,7 @@ be lost.
* @return `call(Goal)`
*/
'$trace'(Mod:G) :-
'$trace_is_off'(Mod:G,_GN0),
'$creep_is_off'(Mod:G,_GN0),
!,
'$execute_nonstop'(G,Mod).
'$trace'(Mod:G) :-
@ -460,7 +460,7 @@ be lost.
%% Actuallb sy debugs a
%% goal!
'$trace_goal'(G, M, GoalNumber, _H) :-
'$trace_is_off'(M:G,GoalNumber),
'$creep_is_off'(M:G,GoalNumber),
!,
'$execute_nonstop'(G,M).
'$trace_goal'(G, M, _GoalNumber, _H) :-
@ -556,7 +556,7 @@ be lost.
*/
'$debug'(_, G, M, _H) :-
'__NB_getval__'('$debug_status',state(zip,_Border,Spy), fail),
'__NB_getval__'('$debug_status',state(zip,_Border,Spy,_Trace), fail),
( Spy == stop -> \+ '$pred_being_spied'(G,M) ; true ),
!,
'$execute_nonstop'( G, M ).
@ -608,10 +608,10 @@ be lost.
'$trace_port'(Port, GoalNumber, G, Module, _CalledFromDebugger, Info) :-
'$stop_creeping'(_) ,
current_prolog_flag(debug, true),
'__NB_getval__'('$debug_status',state(Skip,Border,_), fail),
'__NB_getval__'('$debug_status',state(Skip,Border,_,Trace), fail),
( Skip == creep -> true; '$id_goal'(GoalNumber), GoalNumber =< Border),
!,
'__NB_setval__'('$debug_status', state(creep, 0, stop)),
'__NB_setval__'('$debug_status', state(creep, 0, stop,Trace)),
'$trace_port_'(Port, GoalNumber, G, Module, Info).
'$trace_port'(_Port, _GoalNumber, _G, _Module, _CalledFromDebugger, _Info).
@ -697,7 +697,7 @@ be lost.
Goal.
'$port'(_P, _G, _M,GoalNumber,_Determinic, _Info ) :- %%> leap
'__NB_getval__'('$debug_status',state(leap,Border,_), fail),
'__NB_getval__'('$debug_status',state(leap,Border,_,_), fail),
GoalNumber > Border,
!.
'$port'(P,G,Module,L,Deterministic, Info) :-
@ -752,7 +752,8 @@ be lost.
get_char( debugger_input,C),
'$action'(C,P,CallNumber,G,Module,H).
'$action'('\n',_,_,_,_,_) :- !, % newline creep
'__NB_setval__'('$debug_status', state(creep, 0, stop)).
'__NB_getval__'('$trace',Trace,fail),
'__Nb_setval__'('$debug_status', state(creep, 0, stop, Trace)).
'$action'(!,_,_,_,_,_) :- !, % ! 'g execute
read(debugger_input, G),
% don't allow yourself to be caught by creep.
@ -772,7 +773,8 @@ be lost.
lists:memberchk( call_tracer, Opts),
!, % <'Depth
skip( debugger_input, 10),
'__NB_setval__'('$debug_status', state(creep, 0, stop)).
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(creep, 0, stop,Trace)).
'$action'(^,_,_,G,_,_) :- !, % '
'$print_deb_sterm'(G),
skip( debugger_input, 10),
@ -793,7 +795,8 @@ be lost.
fail.
'$action'(c,_,_,_,_,_) :- !, % 'c creep
skip( debugger_input, 10),
'__NB_setval__'('$debug_status',status(creep,0,stop)).
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status',status(creep,0,stop,Trace)).
'$action'(e,_,_,_,_,_) :- !, % 'e exit
halt.
'$action'(f,_,CallNumber,_,_,_) :- !, % 'f fail
@ -827,19 +830,23 @@ be lost.
'$action'(l,_,CallNumber,_,_,_) :- !, % 'l leap
'$scan_number'(ScanNumber),
( ScanNumber == 0 -> Goal = CallNumber ; Goal = ScanNumber ),
'__NB_setval__'('$debug_status', state(leap, Goal, stop)).
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(leap, Goal, stop,Trace)).
'$action'(z,_,_allNumber,_,_,_H) :- !, % 'z zip, fast leap
'__NB_setval__'('$debug_status', state(zip, 0, stop)).
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(zip, 0, stop, Trace)).
% skip first call (for current goal),
% stop next time.
'$action'(k,_,_CallNumber,_,_,_) :- !, % 'k zip, fast leap
'__NB_setval__'('$debug_status', state(zip, 0, stop)).
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(zip, 0, stop, Trace)).
% skip first call (for current goal),
% stop next time.
'$action'(n,_,_,_,_,_) :- !, % 'n nodebug
skip( debugger_input, 10), % '
% tell debugger never to stop.
'__NB_setval__'('$debug_status', state(zip, 0, ignore)),
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(zip, 0, ignore, Trace)),
nodebug.
'$action'(r,_,CallNumber,_,_,_) :- !, % r retry
'$scan_number'(ScanNumber),
@ -849,21 +856,24 @@ be lost.
'$scan_number'(ScanNumber),
( ScanNumber == 0 -> Goal = CallNumber ; Goal = ScanNumber ),
( (P==call; P==redo) ->
'__NB_setval__'('$debug_status', state(leap, Goal, ignore) ) ;
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(leap, Goal, ignore,Trace) ) ;
'$ilgl'(s) % '
).
'$action'(t,P,CallNumber,_,_,_) :- !, % 't fast skip
'$scan_number'(ScanNumber),
( ScanNumber == 0 -> Goal = CallNumber ; Goal = ScanNumber ),
( (P=call; P=redo) ->
'__NB_setval__'('$debug_status', state(zip, Goal, ignore)) ;
( (P=call; P=redo) ->
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(zip, Goal, ignore,Trace)) ;
'$ilgl'(t) % '
).
'$action'(q,P,CallNumber,_,_,_) :- !, % 'qst skip
'$scan_number'(ScanNumber),
( ScanNumber == 0 -> Goal = CallNumber ; Goal = ScanNumber ),
( (P=call; P=redo) ->
'__NB_setval__'('$debug_status', state(leap, Goal, stop)) ;
'__NB_getval__'('$trace',Trace,fail),
'__NB_setval__'('$debug_status', state(leap, Goal, stop, Trace)) ;
'$ilgl'(t) % '
).
'$action'(+,_,_,G,M,_) :- !, %% spy this

1
pl/errors.yap
View File

@ -94,7 +94,6 @@ error_handler(Error, Level) :-
'$LoopError'(Error, Level).
'$LoopError'(_, _) :-
stop_low_level_trace,
flush_output(user_output),
flush_output(user_error),
fail.

5
pl/messages.yap
View File

@ -206,7 +206,6 @@ compose_message(error(E, Exc), Level) -->
{
'$show_consult_level'(LC)
},
print_exception(Exc),
location(error(E, Exc), Level, LC),
main_message(error(E,Exc) , Level, LC ),
c_goal( error(E, Exc), Level ),
@ -273,7 +272,7 @@ location(style_check(A,LN,FileName,B ), Level , LC) -->
!,
display_consulting( FileName, Level,style_check(A,LN,FileName,B ), LC ),
[ '~a:~d:0: ~a: ' - [FileName,LN,Level] ] .
location( error(_,Info), Level, LC ) -->
location( error(_,Info), Level, _LC ) -->
{ '$error_descriptor'(Info, Desc) },
{
query_exception(prologPredFile, Desc, File),
@ -285,7 +284,7 @@ location( error(_,Info), Level, LC ) -->
!,
{simplify_pred(M:Na/Ar,FF)},
[ '~a:~d:0 ~a while executing ~q:'-[File, FilePos,Level,FF] ].
location( error(_,Info), Level, LC ) -->
location( error(_,Info), Level, _LC ) -->
{ '$error_descriptor'(Info, Desc) },
{
query_exception(errorFile, Desc, File),

19
pl/spy.yap
View File

@ -403,23 +403,26 @@ notrace(G) :-
'$enable_debugging':-
current_prolog_flag(debug, false), !.
'$enable_debugging' :-
nb_setval('$debug_status', state(creep, 0, stop)),
'$trace_on', !,
'__NB_getval__'('$trace',Trace,fail),
nb_setval('$debug_status', state(creep, 0, stop,Trace)),
Trace = on, !,
'$creep'.
'$enable_debugging'.
'$trace_on' :-
'__NB_getval__'('$debug_status', state(_Creep, GN, Spy), fail),
nb_setval('$debug_status', state(zip, GN, Spy)).
'__NB_getval__'('$debug_status', state(_Creep, GN, Spy,_), fail),
'__NB_setval__'('$trace',on),
nb_setval('$debug_status', state(creep, GN, Spy, on)).
'$trace_off' :-
'__NB_getval__'('$debug_status', state(_Creep, GN, Spy), fail),
nb_setval('$debug_status', state(zip, GN, Spy)).
'__NB_setval__'('$trace',off),
nb_setval('$debug_status', state(zip, GN, Spy,off)).
'$trace_is_off'(_,_) :-
'$creep_is_off'(_,_) :-
current_prolog_flag(debug, false), !.
'$trace_is_off'(Module:G, GN0) :-
'__NB_getval__'('$debug_status',state(zip, GN, Spy), fail),
'$creep_is_off'(Module:G, GN0) :-
'__NB_getval__'('$debug_status',state(zip, GN, Spy,_), fail),
(
'$pred_being_spied'(G,Module)

38
pl/top.yap
View File

@ -82,7 +82,8 @@ live :-
% stop at spy-points if debugging is on.
nb_setval('$debug_run',off),
nb_setval('$debug_jump',off),
nb_setval('$debug_status', state(zip, 0, stop)),
'__NB_setval__'('$trace',off),
nb_setval('$debug_status', state(zip, 0, stop,off)),
'$command'(Command,Varnames,Pos,top),
current_prolog_flag(break_level, BreakLevel),
(
@ -1016,28 +1017,29 @@ log_event( String, Args ) :-
LF = ['Break (level ', BreakLevel, ')'|LD]
),
current_prolog_flag(debug, DBON),
(
DBON = true
->
(
'$trace_on'
->
(
var(LF)
->
LD = ['trace'|LP]
;
LD = [', trace '|LP]
)
'__NB_getval__'('$debug_status',state(_, _, _,on), fail),
(
var(LF)
->
LD = ['trace'|LP]
;
LD = [', trace '|LP]
)
;
DBON == true
(var(LF)
->
(var(LF)
->
LD = ['debug'|LP]
;
LD = [', debug'|LP]
)
LD = ['debug'|LP]
;
LD = [', debug'|LP]
)
)
;
LD = LP
),
),
(
var(LF)
->