make *.pl files in src/prolog/lib available from libraries.rs

src/prolog/lib/assoc.pl

@@ -52,7 +52,7 @@
             del_max_assoc/4             % +Assoc0, ?Key, ?Value, ?Assoc
           ]).
 
-:- use_module('src/prolog/lib/lists.pl').
+:- use_module(library(lists)).
 
 /** <module> Binary associations
 

src/prolog/lib/atts.pl

@@ -4,8 +4,8 @@
 		 '$add_to_list'/3, '$del_attr'/3, '$del_attr_step'/3,
 		 '$del_attr_buried'/4]).
 
-:- use_module('src/prolog/lib/dcgs.pl').
-:- use_module('src/prolog/lib/terms.pl').
+:- use_module(library(dcgs)).
+:- use_module(library(terms)).
 
 :- op(1199, fx, attribute).
 

src/prolog/lib/between.pl

@@ -2,8 +2,8 @@
 
 %% TODO: numlist/5.
 
-:- use_module('src/prolog/lib/lists.pl', [length/2]).
-:- use_module('src/prolog/lib/error.pl').
+:- use_module(library(lists), [length/2]).
+:- use_module(library(error)).
 
 between(Lower, Upper, X) :-
     must_be(integer, Lower),

src/prolog/lib/dcgs.pl

@@ -2,8 +2,8 @@
 
 :- module(dcgs, [phrase/2, phrase/3]).
 
-:- use_module('src/prolog/lib/lists.pl', [append/3]).
-:- use_module('src/prolog/lib/terms.pl').
+:- use_module(library(lists), [append/3]).
+:- use_module(library(terms)).
 
 phrase(G, G) :-
     nonvar(G), G = [_|_], !.

src/prolog/lib/diag.pl

@@ -1,6 +1,6 @@
 :- module(diag, [wam_instructions/2]).
 
-:- use_module('src/prolog/lib/error').
+:- use_module(library(error)).
 
 wam_instructions(Clause, Listing) :-
     (  nonvar(Clause) ->

src/prolog/lib/dif.pl

@@ -1,7 +1,7 @@
 :- module(dif, [dif/2]).
 
-:- use_module('src/prolog/lib/atts.pl').
-:- use_module('src/prolog/lib/lists.pl', [append/3]).
+:- use_module(library(atts)).
+:- use_module(library(lists), [append/3]).
 
 :- attribute dif/1.
 

src/prolog/lib/freeze.pl

@@ -1,6 +1,6 @@
 :- module(freeze, [freeze/2]).
 
-:- use_module('src/prolog/lib/atts.pl').
+:- use_module(library(atts)).
 
 :- attribute frozen/1.
 

src/prolog/lib/ordsets.pl

@@ -52,7 +52,7 @@
             ord_intersection/2          % +PowerSet, -Intersection
           ]).
 
-:- use_module('src/prolog/lib/lists.pl').
+:- use_module(library(lists)).
 
 /** <module> Ordered set manipulation
 Ordered sets are lists with unique elements sorted to the standard order

src/prolog/lib/reif.pl

@@ -2,7 +2,7 @@
 		 memberd_t/3, tfilter/3, tmember/2, tmember_t/3,
 		 tpartition/4]).
 
-:- use_module('src/prolog/lib/dif.pl').
+:- use_module(library(dif)).
 
 if_(If_1, Then_0, Else_0) :-
     call(If_1, T),

src/prolog/lib/terms.pl

@@ -1,6 +1,6 @@
 :- module(terms, [numbervars/3]).
 
-:- use_module('src/prolog/lib/error.pl').
+:- use_module(library(error)).
     
 numbervars(Term, N0, N) :-
    catch(internal_numbervars(Term, N0, N), error(E,Ctx),