diogo/yap-6.3
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debugger should use the same code that system uses to find undefined predicates.

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This commit is contained in:
Vítor Santos Costa
2010-12-03 12:40:30 +00:00
parent f8806bed9f
commit 552d424ee0
2 changed files with 11 additions and 16 deletions
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15
pl/boot.yap
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@@ -957,6 +957,10 @@ not(G) :- \+ '$execute'(G).
% Called by the abstract machine, if no clauses exist for a predicate
'$undefp'([M|G]) :-
'$find_goal_definition'(M, G, NM, NG),
'$execute0'(NG, NM).
'$find_goal_definition'(M, G, NM, NG) :-
% make sure we do not loop on undefined predicates
% for undefined_predicates.
'$enter_undefp',
@@ -965,20 +969,19 @@ not(G) :- \+ '$execute'(G).
->
'$exit_undefp'
;
once('$find_undefp_handler'(G,M,Goal,NM))
once('$find_undefp_handler'(G, M, Goal, NM))
),
!,
Goal \= fail,
'$complete_goal'(M, Goal, NM, G).
'$complete_goal'(M, Goal, NM, G, NG).
'$complete_goal'(M, G, CurMod, G0) :-
'$complete_goal'(M, G, CurMod, G0, NG) :-
(
'$is_metapredicate'(G,CurMod)
->
'$meta_expansion'(G, CurMod, M, M, NG,[]) ->
'$execute0'(NG, CurMod)
'$meta_expansion'(G, CurMod, M, M, NG,[])
;
'$execute0'(G, CurMod)
NG = G
).
'$find_undefp_handler'(G,M,NG,user) :-

12
pl/debug.yap
View File

@@ -504,16 +504,8 @@ debugging :-
( '$do_spy'(Cl, M, CP, CalledFromDebugger) ; InRedo = true ).
'$spycall'(G, M, CalledFromDebugger, InRedo) :-
'$undefined'(G, M), !,
(
recorded('$import','$import'(NM,M,Goal,G,_,_),_)
->
'$spycall'(Goal, NM, CalledFromDebugger, InRedo)
;
'$enter_undefp',
'$find_undefp_handler'(G,M,Goal,NM)
->
'$spycall'(Goal, NM, CalledFromDebugger, InRedo)
).
'$find_goal_definition'(M, G, NM, Goal),
'$spycall'(Goal, NM, CalledFromDebugger, InRedo).
'$spycall'(G, M, _, InRedo) :-
% I lost control here.
CP is '$last_choice_pt',