diogo/yap-6.3
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make module user available by default to all other modules

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Vitor Santos Costa 2015-02-14 11:39:07 +00:00
parent 63416fdc48
commit 29ffb152e5
1 changed files with 83 additions and 79 deletions
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10
pl/modules.yap
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@ -38,7 +38,7 @@ YAP pre-defines a number of modules. Most system predicates belong to
the module `prolog`. Predicates from the module `prolog` are
automatically visible to every module. The `system` module was
introduced for SWI-Prolog compatibility, and in YAP mostly acts as an
alias to `prolog`.
alias to `prolog`. The `user` module is also visible to all other modules.
The YAP engine is always associated to a module, the current <em>source
module</em> or <em>type-in module</em>. By default, all predicates
@ -837,6 +837,8 @@ expand_goal(G, G).
recorded('$import','$import'(ExportingModI,ImportingMod,G0I,G,_,_),_),
'$continue_imported'(ExportingMod, ExportingModI, G0, G0I).
% SWI builtin
'$get_undefined_pred'(G, _ImportingMod, G, user) :-
'$pred_exists'(G, user), !.
'$get_undefined_pred'(G, _ImportingMod, G0, ExportingMod) :-
recorded('$dialect',Dialect,_),
Dialect \= yap,
@ -1249,6 +1251,8 @@ export_resource(P0) :-
).
export_resource(op(Prio,Assoc,Name)) :- !,
op(Prio,Assoc,prolog:Name).
export_resource(op(Prio,Assoc,Name)) :- !,
op(Prio,Assoc,user:Name).
export_resource(Resource) :-
'$do_error'(type_error(predicate_indicator,Resource),export(Resource)).
@ -1498,8 +1502,8 @@ All exported predicates from _ExportingModule_ are automatically available to th
source module _ImportModule_.
This innovation was introduced by SWI-Prolog. By default, modules only
inherit from `prolog`. This extension allows predicates in any module
to inherit from `user`oe other modules.
inherit from `prolog` and `user`. This extension allows predicates in
any module to inherit from `user` and other modules.
*/
import_module(Mod, ImportModule) :-