fix debugging
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@157 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
parent
e0ff12da36
commit
8f72bc3c91
@ -6028,6 +6028,7 @@ absmi(int inp)
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H += 2;
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BEGP(pt0);
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pt0 = (CELL *) (Unsigned(SpyCode) - sizeof(SMALLUNSGN));
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P_before_spy = PREG;
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PREG = (yamop *) PredCode(pt0);
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CACHE_A1();
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#ifdef LOW_LEVEL_TRACER
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@ -2057,7 +2057,6 @@ PredForCode(CODEADDR codeptr, Atom *pat, Int *parity, SMALLUNSGN *pmodule) {
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}
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chain = RepAtom(chain->NextOfAE);
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}
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/* we didn't find it, must be one of the hidden predicates */
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return(0);
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}
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@ -2164,10 +2163,12 @@ p_clean_up_dead_clauses(void)
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static Int /* $parent_pred(Module, Name, Arity) */
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p_parent_pred(void)
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{
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/* This predicate is called from the debugger.
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We assume a sequence of the form a -> b */
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Atom at;
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Int arity;
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SMALLUNSGN module;
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if (!PredForCode((CODEADDR)CP, &at, &arity, &module)) {
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if (!PredForCode((CODEADDR)P_before_spy, &at, &arity, &module)) {
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return(unify(ARG1, MkIntTerm(0)) &&
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unify(ARG2, MkAtomTerm(AtomMetaCall)) &&
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unify(ARG3, MkIntTerm(0)));
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1
C/exec.c
1
C/exec.c
@ -206,6 +206,7 @@ EnterCreepMode(PredEntry *pen) {
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PredEntry *PredSpy = RepPredProp(PredProp(a,1));
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ARG1 = MkPairTerm(Module_Name((CODEADDR)(pen)),ARG1);
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CreepFlag = CalculateStackGap();
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P_before_spy = P;
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WRITE_LOCK(PredSpy->PRWLock);
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return (FastCallProlog(PredSpy));
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}
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6
C/init.c
6
C/init.c
@ -152,6 +152,12 @@ ext_op attas[attvars_ext+1];
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/************** Debugger support ***************************************/
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/*
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PREG just before we enter $spy. We use that to find out the clause which
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was calling the debugged goal.
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*/
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yamop *P_before_spy;
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#ifdef DEBUG
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int output_msg = FALSE;
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#endif
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@ -119,6 +119,9 @@ extern PredEntry *pred_p;
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extern PredEntry *CurrentPred;
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/* debugger info */
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extern yamop *P_before_spy;
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/* cdmgr.c */
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void STD_PROTO(RemoveLogUpdIndex,(Clause *));
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void STD_PROTO(IPred,(CODEADDR sp));
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1
TO_DO
1
TO_DO
@ -6,6 +6,7 @@ BEFORE 4.4:
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- document new interface functions.
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- mask when installing.
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- Yap core dumps under simple configure/make in WIN32
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- check leash(full). [-user]. a(X) :- call(setof(Z,call(c(Z)),X)). a(X) :- b(X). b(X) :- c(X). c(1). c(2). end_of_file. spy a/1. a(X).
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TO CHECK:
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- bad register allocation for a(X,Y) :- X is Y+2.3 ?
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142
pl/debug.yap
142
pl/debug.yap
@ -242,7 +242,9 @@ debugging :-
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%'$spy'(G) :- write(user_error,'$spy'(G)), nl, fail.
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%
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% handle suspended goals
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% take care with hidden goals.
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%
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% $spy may be called from user code, so be careful.
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'$spy'(G) :-
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'$awoken_goals'(LG), !,
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'$creep',
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@ -251,20 +253,38 @@ debugging :-
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% '$format'(user_error,"$spym(~w,~w)~n",[Module,G]),
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( '$hidden'(G)
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;
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'$system_predicate'(G),
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'$parent_pred'(0,_,_)
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'$parent_pred'(O,A1,A2),
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'$system_predicate'(G)
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),
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!,
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/* called from prolog module */
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'$creep',
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'$execute0'(G).
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'$spy'([Module|G]) :- !,
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( Module=prolog -> '$spy'(G);
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'$mod_switch'(Module, '$spy'(G))
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).
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'$spy'(true) :- !, '$creep'.
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'$spy'('$cut_by'(M)) :- !, '$cut_by'(M).
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'$execute0'(G),
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'$creep'.
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'$spy'(G) :-
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'$do_spy'(G).
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'$direct_spy'(G) :-
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'$awoken_goals'(LG), !,
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'$creep',
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'$wake_up_goal'(G, LG).
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'$direct_spy'([Module|G]) :-
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'$hidden'(G),
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!,
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/* called from prolog module */
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'$execute0'(G),
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'$creep'.
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'$direct_spy'(G) :-
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'$do_spy'(G).
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'$do_spy'([Module|G]) :- !,
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( Module=prolog -> '$do_spy'(G);
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'$mod_switch'(Module, '$do_spy'(G))
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).
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'$do_spy'(true) :- !, '$creep'.
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'$do_spy'('$cut_by'(M)) :- !, '$cut_by'(M).
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'$do_spy'(G) :-
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% write(user_error,$spy(G)), nl,
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'$get_value'(debug,1), /* ditto if debug off */
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'$get_value'(spy_fs,0), /* ditto if fast skipping */
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@ -312,7 +332,7 @@ debugging :-
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'$trace'(redo,G,L), /* inform user_error */
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fail /* to backtrack to spycalls */
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).
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'$spy'(G) :- '$execute0'(G). /* this clause applies when we do not want
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'do_spy'(G) :- '$execute0'(G). /* this clause applies when we do not want
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to spy the goal */
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'$cont_creep' :- '$get_value'('$trace',1), '$set_yap_flags'(10,1), fail.
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@ -325,25 +345,23 @@ debugging :-
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%'$spycalls'(G,_) :- write(user_error,'$spycalls'(G)), nl(user_error), fail.
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'$spycalls'([_|_],_) :- !, fail.
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'$spycalls'('!'(CP),_) :-
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'$spycalls'('$call'(!, CP, !),Res).
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'$call'(!, CP, !).
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'$spycalls'(Mod:G,Res) :-
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!,
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'$mod_switch'(Mod,'$spycalls'(G,Res)).
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'$spycalls'(repeat,Res) :-
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!,
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'$spycalls'('$call'(repeat, _, repeat),Res).
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repeat.
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'$spycalls'(fail,Res) :-
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!,
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'$spycalls'('$call'(fail, _, fail),Res).
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fail.
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'$spycalls'(false,Res) :-
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!,
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'$spycalls'('$call'(false, _, false),Res).
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false.
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'$spycalls'(true,Res) :-
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!,
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'$spycalls'('$call'(true, _, true),Res).
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!.
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'$spycalls'(otherwise,Res) :-
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!,
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'$spycalls'('$call'(otherwise, _, otherwise),Res).
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!.
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'$spycalls'(\+ G,Res) :-
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!,
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CP is '$last_choice_pt',
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@ -352,10 +370,6 @@ debugging :-
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!,
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CP is '$last_choice_pt',
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'$spycalls'('$call'(not(G), CP, not(G)),Res).
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'$spycalls'(not(G),Res) :-
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!,
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CP is '$last_choice_pt',
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'$spycalls'('$call'(not(G), CP, not(G)),Res).
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'$spycalls'(G,Res) :- % undefined predicate
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'$undefined'(G), !,
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functor(G,F,N), '$current_module'(M),
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@ -638,19 +652,19 @@ debugging :-
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'$creep_call'(M:G,CP) :- !,
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'$mod_switch'(M, '$creep_call'(G,CP)),
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'$current_module'(Module),
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'$spy'([Module|fail]).
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'$direct_spy'([Module|fail]).
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'$creep_call'(fail,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|fail]).
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'$direct_spy'([Module|fail]).
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'$creep_call'(false,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|false]).
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'$direct_spy'([Module|false]).
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'$creep_call'(true,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|true]).
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'$direct_spy'([Module|true]).
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'$creep_call'(otherwise,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|otherwise]).
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'$direct_spy'([Module|otherwise]).
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'$creep_call'((A,B),CP) :- !,
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'$creep_call'(A,CP), '$creep_call'(B,CP).
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'$creep_call'((X->Y; Z),CP) :- !,
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@ -661,73 +675,73 @@ debugging :-
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('$creep_call'(A,CP) ; '$creep_call'(B,CP)).
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'$creep_call'(atom(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|atom(A)]).
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'$direct_spy'([Module|atom(A)]).
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'$creep_call'(atomic(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|atomic(A)]).
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'$direct_spy'([Module|atomic(A)]).
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'$creep_call'(integer(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|integer(A)]).
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'$direct_spy'([Module|integer(A)]).
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'$creep_call'(nonvar(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|nonvar(A)]).
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'$direct_spy'([Module|nonvar(A)]).
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'$creep_call'(var(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|var(A)]).
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'$direct_spy'([Module|var(A)]).
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'$creep_call'(number(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|number(A)]).
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'$direct_spy'([Module|number(A)]).
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'$creep_call'(prismitive(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|primitive(A)]).
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'$direct_spy'([Module|primitive(A)]).
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'$creep_call'(compound(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|compound(A)]).
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'$direct_spy'([Module|compound(A)]).
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'$creep_call'(float(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|float(A)]).
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'$direct_spy'([Module|float(A)]).
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'$creep_call'(db_reference(A),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|db_reference(A)]).
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'$direct_spy'([Module|db_reference(A)]).
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'$creep_call'(\+ X,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|(\+ X)]).
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'$direct_spy'([Module|(\+ X)]).
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'$creep_call'(not X,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|not(X)]).
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'$direct_spy'([Module|not(X)]).
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'$creep_call'(X=Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X=Y]).
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'$direct_spy'([Module|X=Y]).
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'$creep_call'(X\=Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X\=Y]).
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'$direct_spy'([Module|X\=Y]).
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'$creep_call'(X==Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X==Y]).
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'$direct_spy'([Module|X==Y]).
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'$creep_call'(X>Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X>Y]).
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'$direct_spy'([Module|X>Y]).
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'$creep_call'(X>=Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X>=Y]).
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'$direct_spy'([Module|X>=Y]).
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'$creep_call'(X<Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X<Y]).
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'$direct_spy'([Module|X<Y]).
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'$creep_call'(X=<Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X=<Y]).
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'$direct_spy'([Module|X=<Y]).
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'$creep_call'(X=:=Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X=:=Y]).
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'$direct_spy'([Module|X=:=Y]).
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'$creep_call'(X=\=Y,_) :- !,
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'$current_module'(Module),
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'$spy'([Module|X=\=Y]).
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'$direct_spy'([Module|X=\=Y]).
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'$creep_call'(arg(X,Y,Z),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|arg(X,Y,Z)]).
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'$direct_spy'([Module|arg(X,Y,Z)]).
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'$creep_call'(functor(X,Y,Z),_) :- !,
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'$current_module'(Module),
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'$spy'([Module|functor(X,Y,Z)]).
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'$direct_spy'([Module|functor(X,Y,Z)]).
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'$creep_call'((X->Y),CP) :- !,
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CP1 is '$last_choice_pt',
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'$creep_call'(X,CP),
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@ -735,25 +749,30 @@ debugging :-
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'$creep_call'(Y,CP).
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'$creep_call'(!,CP) :- !,
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'$current_module'(M),
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'$spy'([M|'!'(CP)]),
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'$direct_spy'([M|'!'(CP)]),
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% clean up any garbage left here by the debugger.
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'$$cut_by'(CP).
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'$creep_call'('$cut_by'(X),CP) :- !,
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'$$cut_by'(X).
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'$creep_call'(repeat,_) :- !,
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'$current_module'(M),
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'$spy'([Module|repeat]).
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'$direct_spy'([Module|repeat]).
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'$creep_call'([A|B],_) :- !,
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'$current_module'(M),
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'$spy'([Module|[A|B]]).
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'$direct_spy'([Module|[A|B]]).
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'$creep_call'(A,CP) :-
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'$undefined'(A),
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'$undefined'(A), !,
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'$creep_call_undefined'(A,CP).
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'$creep_call'(A,CP) :-
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'$current_module'(Module),
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'$direct_spy'([Module|A]).
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'$creep_call_undefined'(A,CP) :-
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functor(A,F,N),
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'$current_module'(M),
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'$recorded'($import,$import(S,M,F,N),_), !,
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'$creep_call'(S:A,CP).
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'$creep_call'(G,_) :-
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'$undefined'(G), !,
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'$creep_call_undefined'(G, _) :-
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( \+ '$undefined'(user:unknown_predicate_handler(_,_,_)),
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user:unknown_predicate_handler(G,M,NG) ->
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'$creep_call'(M:NG) ;
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@ -762,11 +781,6 @@ debugging :-
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'$creep_call'(user:US,_)
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).
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'$creep_call'(A,CP) :-
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'$current_module'(Module),
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'$spy'([Module|A]).
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%'$creep'(G) :- $current_module(M),write(user_error,[creep,M,G]),nl(user_error),fail.
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'$creep'(G) :-
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'$get_value'('$alarm', true), !,
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@ -788,10 +802,10 @@ debugging :-
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).
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'$creep'([Module|'$creep_call'(G,CP)]) :- !,
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( Module=prolog -> '$creep_call'(G,CP);
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'$mod_switch'(Module, '$creep_call'(G,P) )
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'$mod_switch'(Module, '$creep_call'(G,CP) )
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).
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'$creep'([_|'$leave_creep']) :- !.
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'$creep'(G) :- '$spy'(G).
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'$creep'(G) :- '$direct_spy'(G).
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'$trace'(P,'!'(_),L) :- !,
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'$trace'(P,!,L).
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