user:goal_expand should be called before import

add extra apply_macros and apply stuff; fix unexisting definitions.
add forall/2 and ignore/1 to system stuff.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@2237 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2008-05-15 13:41:48 +00:00
parent a25234a2da
commit 316811d2cd
17 changed files with 483 additions and 67 deletions

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@ -3870,7 +3870,7 @@ static Int
} else {
if (tokstart != NULL && tokstart->Tok != Ord (eot_tok)) {
/* we got the end of file from an abort */
if (Yap_ErrorMessage == "Abort") {
if (!strcmp(Yap_ErrorMessage,"Abort")) {
Yap_clean_tokenizer(tokstart, Yap_VarTable, Yap_AnonVarTable);
return FALSE;
}

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@ -167,8 +167,6 @@ low_level_trace(yap_low_level_port port, PredEntry *pred, CELL *args)
#ifdef THREADS
Yap_heap_regs->thread_handle[worker_id].thread_inst_count++;
#endif
UNLOCK(Yap_heap_regs->low_level_trace_lock);
return;
#ifdef COMMENTED
//*(H0+(0xb65f2850-0xb64b2008)/sizeof(CELL))==0xc ||
//0x4fd4d

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@ -1,4 +1,4 @@
/* $Id: error.pl,v 1.1 2008-02-12 17:03:52 vsc Exp $
/* $Id: error.pl,v 1.2 2008-05-15 13:41:45 vsc Exp $
Part of SWI-Prolog
@ -172,7 +172,7 @@ not_a_list(Type, X) :-
'$skip_list'(Anything, [_|More], Rest).
'$skip_list'(Anything, [_|More], Rest) :-
'$skip_list'(Anything, More, Rest).
'$skip_list'(Anything, Rest, Rest).
'$skip_list'(_Anything, Rest, Rest).
:- endif.

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@ -18,7 +18,7 @@
* Last rev: December 90 *
* mods: *
* comments: Original Tag Scheme for machines with 32 bits adresses *
* version: $Id: Tags_64bits.h,v 1.2 2008-01-30 10:35:43 vsc Exp $ *
* version: $Id: Tags_64bits.h,v 1.3 2008-05-15 13:41:46 vsc Exp $ *
*************************************************************************/
#define TAG_64BITS 1
@ -67,8 +67,8 @@ property list
#define TagOf(t) (Unsigned(t)&TagBits)
#define LowTagOf(t) (Unsigned(t)&LowTagBits)
#define NonTagPart(X) (Signed(X) & MaskPrim)
#define TAGGEDA(TAG,V) (TAG | Unsigned(V))
#define TAGGED(TAG,V) (TAG | NonTagPart(Unsigned(V)<<3)) /* SQRT(8) */
#define TAGGEDA(TAG,V) (Unsigned(TAG) | Unsigned(V))
#define TAGGED(TAG,V) (Unsigned(TAG) | NonTagPart(Unsigned(V)<<3)) /* SQRT(8) */
#define NONTAGGED(TAG,V) NonTagPart(Unsigned(V)<<3) /* SQRT(8) */
#define CHKTAG(t,Tag) ((Unsigned(t)&TagBits)==Tag)

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@ -10,7 +10,7 @@
* File: Yap.h.m4 *
* mods: *
* comments: main header file for YAP *
* version: $Id: Yap.h,v 1.35 2008-05-13 10:37:27 vsc Exp $ *
* version: $Id: Yap.h,v 1.36 2008-05-15 13:41:46 vsc Exp $ *
*************************************************************************/
#include "config.h"
@ -250,7 +250,7 @@ extern char Yap_Option[20];
#endif
#endif /* !IN_SECOND_QUADRANT */
#ifdef THREADS
#ifdef USE_SYSTEM_MALLOC
#define HEAP_INIT_BASE 0L
#define AtomBase NULL
#else
@ -855,7 +855,7 @@ inline EXTERN Term MkAtomTerm (Atom);
inline EXTERN Term
MkAtomTerm (Atom a)
{
return (Term) ((AtomTag | (CELL) (a)));
return (Term) (AtomTag | (CELL) (a));
}
@ -876,7 +876,7 @@ inline EXTERN Term MkAtomTerm (Atom);
inline EXTERN Term
MkAtomTerm (Atom a)
{
return (Term) (TAGGEDA (AtomTag, (CELL) (a)));
return (Term) (TAGGEDA ((CELL)AtomTag, (CELL) (a)));
}

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@ -1,4 +1,4 @@
/* $Id: apply_macros.pl,v 1.1 2008-03-13 14:37:59 vsc Exp $
/* $Id: apply_macros.pl,v 1.2 2008-05-15 13:41:46 vsc Exp $
Part of SWI-Prolog

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@ -17,6 +17,13 @@ xb
<h2>Yap-5.1.3:</h2>
<ul>
<li> FIXED: user:expand_goal should be called before import,
not after.</li>
<li> NEW: add apply SWI library to apply_macros.</li>
<li> NEW: add forall/2 and ignore/1 to system (SWI compatibility).</li>
<li> FIXED: apply_macros should also define the predicates it exports
(obs from Rui Mendes).</li>
<li> FIXED: complain if we want to redefine an imported module.</li>
<li> FIXED: X is -(222222222222) would crash (obs from Jan Wielemaker).</li>
<li> FIXED: more restore fixes.</li>
<li> FIXED: don't ever jump to mid of lu code.</li>

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@ -191,6 +191,7 @@ Subnodes of Database
* BlackBoard:: Storing and Fetching Terms in the BlackBoard
Subnodes of Library
* Apply:: SWI-Compatible Apply library.
* Apply Macros:: Apply a Predicate to a list or to sub-terms.
* Association Lists:: Binary Tree Implementation of Association Lists.
* AVL Trees:: Predicates to add and lookup balanced binary trees.
@ -240,7 +241,6 @@ Subnodes of Attributes
Subnodes of SWI-Prolog
* Invoking Predicates on all Members of a List :: maplist and friends
* Forall :: forall built-in
* hProlog and SWI-Prolog Attributed Variables :: Emulating SWI-like attributed variables
* SWI-Prolog Global Variables :: Emulating SWI-like attributed variables
@ -2741,6 +2741,32 @@ Execute the goal @var{G} only once. The predicate is defined by:
Note that cuts inside @code{once/1} can only cut the other goals inside
@code{once/1}.
@item forall(:@var{Cond},:@var{Action})
@findex forall/2
@snindex forall/2
@cnindex forall/2
For all alternative bindings of @var{Cond} @var{Action} can be
proven. The example verifies that all arithmetic statements in the list
@var{L} are correct. It does not say which is wrong if one proves wrong.
@example
?- forall(member(Result = Formula, [2 = 1 + 1, 4 = 2 * 2]),
Result =:= Formula).
@end example
@item ignore(:@var{Goal})
@findex ignore/1
@snindex ignore/1
@cnindex ignore/1
Calls @var{Goal} as @code{once/1}, but succeeds, regardless of whether
@code{Goal} succeeded or not. Defined as:
@example
ignore(Goal) :-
Goal, !.
ignore(_).
@end example
@item abort
@findex abort/0
@syindex abort/0
@ -7928,6 +7954,7 @@ most files in the library are from the Edinburgh Prolog library.
@menu
Library, Extensions, Built-ins, Top
* Apply:: SWI-Compatible Apply library.
* Apply Macros:: Apply a Predicate to a list or to sub-terms.
* Association Lists:: Binary Tree Implementation of Association Lists.
* AVL Trees:: Predicates to add and lookup balanced binary trees.
@ -7961,7 +7988,15 @@ Library, Extensions, Built-ins, Top
@end menu
@node Apply Macros, Association Lists, , Library
@node Apply, Apply Macros, , Library
@section Apply Macros
@cindex macros
This library provides a SWI-compatible set of utilities for applying a
predicate to all elements of a list. The library just forwards
definitions from the @code{apply_macros} library.
@node Apply Macros, Association Lists, Apply, Library
@section Apply Macros
@cindex macros
@ -8045,7 +8080,39 @@ collects a result in @var{Accumulator}
@snindex sumnodes/4
@cnindex sumnodes/4
Calls the predicate @var{Pred} on all sub-terms of @var{Term} and
collect a result in @var{Accumulator} (depth-first and left-to-right order)
collect a result in @var{Accumulator} (depth-first and left-to-right
order)
@item include(+@var{Pred}, +@var{ListIn}, ?@var{ListOut})
@findex include/3
@snindex include/3
@cnindex include/3
Same as @code{selectlist/3}.
@item exclude(+@var{Goal}, +@var{List1}, ?@var{List2})
@findex exclude/3
@snindex exclude/3
@cnindex exclude/3
Filter elements for which @var{Goal} fails. True if @var{List2} contains
those elements @var{Xi} of @var{List1} for which @code{call(Goal, Xi)} fails.
@item partition(+@var{Pred}, +@var{List1}, ?@var{Included}, ?@var{Excluded})
@findex partition/4
@snindex partition/4
@cnindex partition/4
Filter elements of @var{List} according to @var{Pred}. True if
@var{Included} contains all elements for which @code{call(Pred, X)}
succeeds and @var{Excluded} contains the remaining elements.
@item partition(+@var{Pred}, +@var{List1}, ?@var{Lesser}, ?@var{Equal}, ?@var{Greater})
@findex partition/5
@snindex partition/5
@cnindex partition/5
Filter list according to @var{Pred} in three sets. For each element
@var{Xi} of @var{List}, its destination is determined by
@code{call(Pred, Xi, Place)}, where @var{Place} must be unified to one
of @code{<}, @code{=} or @code{>}. @code{Pred} must be deterministic.
@end table
Examples:

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@ -24,7 +24,8 @@ INSTALL_PROGRAM=@INSTALL_PROGRAM@
srcdir=@srcdir@
YAP_EXTRAS=@YAP_EXTRAS@
PROGRAMS= $(srcdir)/apply_macros.yap \
PROGRAMS= $(srcdir)/apply.yap \
$(srcdir)/apply_macros.yap \
$(srcdir)/arg.yap \
$(srcdir)/assoc.yap \
$(srcdir)/atts.yap \

9
library/apply.yap Normal file
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@ -0,0 +1,9 @@
:- reexport(library(apply_macros),
[maplist/3,
include/3,
exclude/3,
partition/4,
partition/5
]).

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@ -4,17 +4,235 @@
% Purpose: Macros to apply a predicate to all elements
% of a list or to all sub-terms of a term.
:- module(apply_macros, []).
% Also has code from:
% File : APPLIC.PL
% Author : Lawrence Byrd + Richard A. O'Keefe
% Updated: 4 August 1984 and Ken Johnson 11-8-87
% Purpose: Various "function" application routines based on apply/2.
% Needs : append/3 from listut.pl
:- module(apply_macros, [selectlist/3,
checklist/2,
maplist/3,
convlist/3,
mapargs/3,
sumargs/4,
mapnodes/3,
checknodes/2,
sumlist/4,
sumnodes/4,
include/3,
exclude/3,
partition/4,
partition/5
]).
:- meta_predicate
selectlist(:,+,-),
checklist(:,+),
maplist(:,+,-),
convlist(:,+,-),
mapargs(:,+,-),
mapargs_args(:,+,-,+),
sumargs(:,+,+,-),
sumargs_args(:,+,+,-,+),
mapnodes(:,+,-),
mapnodes_list(:,+,-),
checknodes(:,+),
checknodes_list(:,+),
sumlist(:,+,+,-),
sumnodes(:,+,+,-),
sumnodes_body(:,+,+,-,+,+),
include(:,+,-),
exclude(:,+,-),
partition(:,+,-,-),
partition(:,+,-,-,-).
:- multifile user:goal_expansion/3.
:- use_module(library(lists), [append/3]).
:- use_module(library(charsio), [format_to_chars/3, read_from_chars/2]).
:- use_module(library(error), [must_be/2]).
user:goal_expansion(maplist(Meta, ListIn, ListOut), Module, Goal) :-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Definitions for Metacalls
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
include(G,In,Out) :-
selectlist(G, In, Out).
selectlist(_, [], []).
selectlist(Pred, [In|ListIn], ListOut) :-
(call(Pred, In) ->
ListOut = [In|NewListOut]
;
ListOut = NewListOut
),
selectlist(Pred, ListIn, NewListOut).
exclude(_, [], []).
exclude(Pred, [In|ListIn], ListOut) :-
(call(Pred, In) ->
ListOut = NewListOut
;
ListOut = [In|NewListOut]
),
exclude(Pred, ListIn, NewListOut).
partition(_, [], [], []).
partition(Pred, [In|ListIn], List1, List2) :-
(call(Pred, In) ->
List1 = [In|RList1],
List2 = RList2
;
List1 = RList1,
List2 = [In|RList2]
),
partition(Pred, ListIn, RList1, RList2).
partition(_, [], [], [], []).
partition(Pred, [In|ListIn], List1, List2, List3) :-
call(Pred, In, Diff),
( Diff == (<) ->
List1 = [In|RList1],
List2 = RList2,
List3 = RList3
;
Diff == (=) ->
List1 = RList1,
List2 = [In|RList2],
List3 = RList3
;
Diff == (>) ->
List1 = RList1,
List2 = RList2,
List3 = [In|RList3]
;
must_be(oneof([<,=,>]), Diff)
),
partition(Pred, ListIn, RList1, RList2, RList3).
checklist(_, []).
checklist(Pred, [In|ListIn]) :-
call(Pred, In),
checklist(Pred, ListIn).
% maplist(Pred, OldList, NewList)
% succeeds when Pred(Old,New) succeeds for each corresponding
% Old in OldList, New in NewList. In InterLisp, this is MAPCAR.
% It is also MAP2C. Isn't bidirectionality wonderful?
maplist(_, [], []).
maplist(Pred, [In|ListIn], [Out|ListOut]) :-
call(Pred, In, Out),
maplist(Pred, ListIn, ListOut).
% convlist(Rewrite, OldList, NewList)
% is a sort of hybrid of maplist/3 and sublist/3.
% Each element of NewList is the image under Rewrite of some
% element of OldList, and order is preserved, but elements of
% OldList on which Rewrite is undefined (fails) are not represented.
% Thus if foo(X,Y) :- integer(X), Y is X+1.
% then convlist(foo, [1,a,0,joe(99),101], [2,1,102]).
convlist(_, [], []).
convlist(Pred, [Old|Olds], NewList) :-
call(Pred, Old, New),
!,
NewList = [New|News],
convlist(Pred, Olds, News).
convlist(Pred, [_|Olds], News) :-
convlist(Pred, Olds, News).
mapargs(Pred, TermIn, TermOut) :-
functor(TermIn, F, N),
functor(TermOut, F, N),
mapargs_args(Pred, TermIn, TermOut, N).
mapargs_args(_, _, _, 0) :- !.
mapargs_args(Pred, TermIn, TermOut, I) :-
arg(I, TermIn, InArg),
arg(I, TermOut, OutArg),
I1 is I-1,
call(Pred, InArg, OutArg),
mapargs_args(Pred, TermIn, TermOut, I1).
sumargs(Pred, Term, A0, A1) :-
functor(Term, _, N),
sumargs(Pred, Term, A0, A1, N).
sumargs_args(_, _, A0, A1, 0) :-
!,
A0 = A1.
sumargs_args(Pred, Term, A1, A3, N) :-
arg(N, Term, Arg),
N1 is N - 1,
call(Pred, Arg, A1, A2),
sumargs_args(Pred, Term, A2, A3, N1).
mapnodes(Pred, TermIn, TermOut) :-
(atomic(TermIn); var(TermOut)), !,
call(Pred, TermIn, TermOut).
mapnodes(Pred, TermIn, TermOut) :-
call(Pred, TermIn, Temp),
Temp =.. [Func|ArgsIn],
mapnodes_list(Pred, ArgsIn, ArgsOut),
TermOut =.. [Func|ArgsOut].
mapnodes_list(_, [], []).
appnodes_list(Pred, [TermIn|ArgsIn], [TermOut|ArgsOut]) :-
mapnodes(Pred, TermIn, TermOut),
mapnodes_list(Pred, ArgsIn, ArgsOut).
checknodes(Pred, Term) :-
(atomic(Term); var(Term)), !,
call(Pred, Term).
checknodes(Pred, Term) :-
call(Pred, Term),
Term =.. [_|Args],
checknodes_list(Pred, Args).
checknodes_list(_, []).
checknodes_list(Pred, [Term|Args]) :-
checknodes_body(Pred, Term),
checknodes_list(Pred, Args).
sumlist(_, [], Acc, Acc).
sumlist(Pred, [H|T], AccIn, AccOut) :-
call(Pred, H, AccIn, A1),
sumlist(Pred, T, A1, AccOut).
sumnodes(Pred, Term, A0, A2) :-
call(Pred, Term, A0, A1),
(compound(Term) ->
functor(Term, _, N),
sumnodes_body(Pred, Term, A1, A2, 0, N)
; % simple term or variable
A1 = A2
).
sumnodes_body(Pred, Term, A1, A3, N0, Ar) :-
N0 < Ar ->
N is N0+1,
arg(N, Term, Arg),
sumnodes(Pred, Arg, A1, A2),
sumnodes_body(Pred, Term, A2, A3, N, Ar)
;
A1 = A3.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% preprocessing for meta-calls
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
user:goal_expansion(maplist(Meta, ListIn, ListOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(maplist, Proto, GoalName),
append(MetaVars, [ListIn, ListOut], GoalArgs),
@ -25,15 +243,16 @@ user:goal_expansion(maplist(Meta, ListIn, ListOut), Module, Goal) :-
append_args(HeadPrefix, [[In|Ins], [Out|Outs]], RecursionHead),
append_args(Pred, [In, Out], Apply),
append_args(HeadPrefix, [Ins, Outs], RecursiveCall),
write(Goal),nl,
compile_aux([
Base,
(RecursionHead :- Apply, RecursiveCall)
], Module).
user:goal_expansion(checklist(Meta, List), Module, Goal) :-
user:goal_expansion(checklist(Meta, List), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(checklist, Proto, GoalName),
append(MetaVars, [List], GoalArgs),
@ -49,10 +268,10 @@ user:goal_expansion(checklist(Meta, List), Module, Goal) :-
(RecursionHead :- Apply, RecursiveCall)
], Module).
user:goal_expansion(selectlist(Meta, ListIn, ListOut), Module, Goal) :-
user:goal_expansion(selectlist(Meta, ListIn, ListOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(selectlist, Proto, GoalName),
append(MetaVars, [ListIn, ListOut], GoalArgs),
@ -70,10 +289,112 @@ user:goal_expansion(selectlist(Meta, ListIn, ListOut), Module, Goal) :-
RecursiveCall)
], Module).
user:goal_expansion(convlist(Meta, ListIn, ListOut), Module, Goal) :-
% same as selectlist
user:goal_expansion(include(Meta, ListIn, ListOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(include, Proto, GoalName),
append(MetaVars, [ListIn, ListOut], GoalArgs),
Goal =.. [GoalName|GoalArgs],
% the new predicate declaration
HeadPrefix =.. [GoalName|PredVars],
append_args(HeadPrefix, [[], []], Base),
append_args(HeadPrefix, [[In|Ins], Outs], RecursionHead),
append_args(Pred, [In], Apply),
append_args(HeadPrefix, [Ins, NOuts], RecursiveCall),
compile_aux([
Base,
(RecursionHead :-
(Apply -> Outs = [In|NOuts]; Outs = NOuts),
RecursiveCall)
], Module).
user:goal_expansion(exclude(Meta, ListIn, ListOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(exclude, Proto, GoalName),
append(MetaVars, [ListIn, ListOut], GoalArgs),
Goal =.. [GoalName|GoalArgs],
% the new predicate declaration
HeadPrefix =.. [GoalName|PredVars],
append_args(HeadPrefix, [[], []], Base),
append_args(HeadPrefix, [[In|Ins], Outs], RecursionHead),
append_args(Pred, [In], Apply),
append_args(HeadPrefix, [Ins, NOuts], RecursiveCall),
compile_aux([
Base,
(RecursionHead :-
(Apply -> Outs = [In|NOuts]; Outs = NOuts),
RecursiveCall)
], Module).
user:goal_expansion(partition(Meta, ListIn, List1, List2), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(partition, Proto, GoalName),
append(MetaVars, [ListIn, List1, List2], GoalArgs),
Goal =.. [GoalName|GoalArgs],
% the new predicate declaration
HeadPrefix =.. [GoalName|PredVars],
append_args(HeadPrefix, [[], [], []], Base),
append_args(HeadPrefix, [[In|Ins], Outs1, Outs2], RecursionHead),
append_args(Pred, [In], Apply),
append_args(HeadPrefix, [Ins, NOuts1, NOuts2], RecursiveCall),
compile_aux([
Base,
(RecursionHead :-
(Apply -> Outs1 = [In|NOuts1], Outs2 = NOuts2; Outs1 = NOuts1, Outs2 = [In|NOuts2]),
RecursiveCall)
], Module).
user:goal_expansion(partition(Meta, ListIn, List1, List2, List3), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(partition2, Proto, GoalName),
append(MetaVars, [ListIn, List1, List2, List3], GoalArgs),
Goal =.. [GoalName|GoalArgs],
% the new predicate declaration
HeadPrefix =.. [GoalName|PredVars],
append_args(HeadPrefix, [[], [], [], []], Base),
append_args(HeadPrefix, [[In|Ins], Outs1, Outs2, Outs3], RecursionHead),
append_args(Pred, [In,Diff], Apply),
append_args(HeadPrefix, [Ins, NOuts1, NOuts2, NOuts3], RecursiveCall),
compile_aux([
Base,
(RecursionHead :-
Apply,
(Diff == (<) ->
Outs1 = [In|NOuts1],
Outs2 = NOuts2,
Outs3 = NOuts3
;
Diff == (=) ->
Outs1 = NOuts1,
Outs2 = [In|NOuts2],
Outs3 = NOuts3
;
Diff == (>) ->
Outs1 = NOuts1,
Outs2 = NOuts2,
Outs3 = [In|NOuts3]
;
error:must_be(oneof([<,=,>]), Diff)
),
RecursiveCall)
], Module).
user:goal_expansion(convlist(Meta, ListIn, ListOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(convlist, Proto, GoalName),
append(MetaVars, [ListIn, ListOut], GoalArgs),
@ -91,10 +412,10 @@ user:goal_expansion(convlist(Meta, ListIn, ListOut), Module, Goal) :-
RecursiveCall)
], Module).
user:goal_expansion(sumlist(Meta, List, AccIn, AccOut), Module, Goal) :-
user:goal_expansion(sumlist(Meta, List, AccIn, AccOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(sumlist, Proto, GoalName),
append(MetaVars, [List, AccIn, AccOut], GoalArgs),
@ -132,10 +453,10 @@ user:goal_expansion(sumargs(Meta, Term, AccIn, AccOut), _Module, Goal) :-
sumlist(Meta, TermArgs, AccIn, AccOut)
).
user:goal_expansion(mapnodes(Meta, InTerm, OutTerm), Module, Goal) :-
user:goal_expansion(mapnodes(Meta, InTerm, OutTerm), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(mapnodes, Proto, GoalName),
append(MetaVars, [[InTerm], [OutTerm]], GoalArgs),
@ -162,10 +483,10 @@ user:goal_expansion(mapnodes(Meta, InTerm, OutTerm), Module, Goal) :-
RecursiveCall)
], Module).
user:goal_expansion(checknodes(Meta, Term), Module, Goal) :-
user:goal_expansion(checknodes(Meta, Term), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(checknodes, Proto, GoalName),
append(MetaVars, [[Term]], GoalArgs),
@ -190,10 +511,10 @@ user:goal_expansion(checknodes(Meta, Term), Module, Goal) :-
RecursiveCall)
], Module).
user:goal_expansion(sumnodes(Meta, Term, AccIn, AccOut), Module, Goal) :-
user:goal_expansion(sumnodes(Meta, Term, AccIn, AccOut), Mod, Goal) :-
callable(Meta),
!,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Mod, Module),
% the new goal
pred_name(sumnodes, Proto, GoalName),
append(MetaVars, [[Term], AccIn, AccOut], GoalArgs),
@ -247,7 +568,9 @@ append_args(Term, Args, NewTerm) :-
append(OldArgs, Args, GoalArgs),
NewTerm =.. [Meta|GoalArgs].
aux_preds(Meta, MetaVars, Pred, PredVars, Proto) :-
aux_preds(Module:Meta, MetaVars, Pred, PredVars, Proto, _, OModule) :- !,
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Module, OModule).
aux_preds(Meta, MetaVars, Pred, PredVars, Proto, Module, Module) :-
Meta =.. [F|Args],
aux_args(Args, MetaVars, PredArgs, PredVars, ProtoArgs),
Pred =.. [F|PredArgs],
@ -262,5 +585,6 @@ aux_args([Arg|Args], MVars, [Arg|PArgs], PVars, [Arg|ProtoArgs]) :-
aux_args(Args, MVars, PArgs, PVars, ProtoArgs).
pred_name(Macro, Proto, Name) :-
format_to_chars("'~a(~w)'.",[Macro, Proto], Chars),
format_to_chars('\'~a(~w)\'.',[Macro, Proto], Chars),
read_from_chars(Chars, Name).

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@ -179,8 +179,6 @@ prolog:load_foreign_library(P) :-
do_volatile(_,_).
:- meta_predicate prolog:forall(:,:).
:- use_module(library(lists)).
prolog:term_to_atom(Term,Atom) :-
@ -227,19 +225,8 @@ prolog:is_absolute_file_name(X) :-
prolog:read_clause(X,Y) :-
read_term(X,Y,[singetons(warning)]).
prolog:forall(X,Y) :-
catch(do_forall(X,Y), fail_forall, fail).
prolog:string(_) :- fail.
do_forall(X,Y) :-
call(X),
do_for_forall(Y).
do_forall(_,_).
do_for_forall(Y) :- call(Y), !, fail.
do_for_forall(_) :- throw(fail_forall).
prolog:between(I,_,I).
prolog:between(I0,I,J) :- I0 < I,
I1 is I0+1,

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@ -61,6 +61,14 @@ do_not_compile_expressions :- set_value('$c_arith',[]).
'$do_c_built_in'(once(G), M, (yap_hacks:current_choice_point(CP),NG,'$$cut_by'(CP))) :- !,
'$do_c_built_in'(G,M,NG0),
'$clean_cuts'(NG0, NG).
'$do_c_built_in'(forall(Cond,Action), M, \+((NCond, \+(NAction)))) :- !,
'$do_c_built_in'(Cond,M,ICond),
'$do_c_built_in'(Action,M,IAction),
'$clean_cuts'(ICond, NCond),
'$clean_cuts'(IAction, NAction).
'$do_c_built_in'(ignore(Goal), M, (NGoal -> true ; true)) :- !,
'$do_c_built_in'(Goal,M,IGoal),
'$clean_cuts'(IGoal, NGoal).
'$do_c_built_in'(if(G,A,B), M, (yap_hacks:current_choicepoint(DCP),NG,yap_hacks:cut_at(DCP),NA; NB)) :- !,
'$do_c_built_in'(A,M,NA0),
'$clean_cuts'(NA0, NA),

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@ -410,7 +410,7 @@ true :- true.
% process an input clause
'$$compile'(G, G0, L, Mod) :-
'$head_and_body'(G,H,_),
'$head_and_body'(G,H,_),
'$flags'(H, Mod, Fl, Fl),
is(NFl, /\, Fl, 0x00002000),
(
@ -424,28 +424,36 @@ true :- true.
'$dynamic'(N/A,Mod),
'$assertz_dynamic'(L,G,G0,Mod)
;
'$not_imported'(H, Mod),
'$compile'(G, L, G0, Mod)
).
'$check_if_reconsulted'(N,A) :-
'$not_imported'(H, Mod) :-
recorded('$import','$import'(NM,Mod,NH,H,_,_),_),
NM \= Mod, !,
functor(NH,N,Ar),
'$do_error'(permission_error(modify, static_procedure, NM:N/Ar), consult).
'$not_imported'(_, _).
'$check_if_reconsulted'(N,A) :-
recorded('$reconsulted',X,_),
( X = N/A , !;
X = '$', !, fail;
fail
).
'$inform_as_reconsulted'(N,A) :-
'$inform_as_reconsulted'(N,A) :-
recorda('$reconsulted',N/A,_).
'$clear_reconsulting' :-
recorded('$reconsulted',X,Ref),
erase(Ref),
X == '$', !,
( recorded('$reconsulting',_,R) -> erase(R) ).
'$clear_reconsulting' :-
recorded('$reconsulted',X,Ref),
erase(Ref),
X == '$', !,
( recorded('$reconsulting',_,R) -> erase(R) ).
/* Executing a query */
'$query'(end_of_file,_).
'$query'(end_of_file,_).
% ***************************
% * -------- YAPOR -------- *

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@ -11,7 +11,7 @@
* File: utilities for displaying messages in YAP. *
* comments: error messages for YAP *
* *
* Last rev: $Date: 2008-04-02 17:37:07 $,$Author: vsc $ *
* Last rev: $Date: 2008-05-15 13:41:47 $,$Author: vsc $ *
* *
* *
*************************************************************************/
@ -211,10 +211,10 @@ system_message(error(permission_error(modify,flag,W), _)) -->
[ 'PERMISSION ERROR- cannot modify flag ~w' - [W] ].
system_message(error(permission_error(modify,operator,W), _)) -->
[ 'PERMISSION ERROR- T cannot declare ~w an operator' - [W] ].
system_message(error(permission_error(modify,dynamic_procedure,_), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying a dynamic procedure' - [Where] ].
system_message(error(permission_error(modify,static_procedure,_), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying a static procedure' - [Where] ].
system_message(error(permission_error(modify,dynamic_procedure,F), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying dynamic procedure ~w' - [Where,F] ].
system_message(error(permission_error(modify,static_procedure,F), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying static procedure ~w' - [Where,F] ].
system_message(error(permission_error(modify,static_procedure_in_use,_), Where)) -->
[ 'PERMISSION ERROR- ~w: modifying a static procedure in use' - [Where] ].
system_message(error(permission_error(modify,table,P), _)) -->

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@ -289,6 +289,11 @@ module(N) :-
%
% next, check if this is something imported.
%
% first, try doing goal_expansion
'$module_expansion'(G, G1, G0, CurMod, MM, TM, HVars) :-
'$pred_goal_expansion_on',
user:goal_expansion(G, CurMod, GI), !,
'$module_expansion'(GI, G1, G0, CurMod, MM, TM, HVars).
'$module_expansion'(G, G1, GO, CurMod, MM, TM, HVars) :-
% is this imported from some other module M1?
( '$imported_pred'(G, CurMod, GG, M1) ->
@ -328,10 +333,6 @@ module(N) :-
% goal to pass to compiler
% goal to pass to listing
% head variables.
'$complete_goal_expansion'(G, M, CM, TM, G1, G2, HVars) :-
'$pred_goal_expansion_on',
user:goal_expansion(G,M,GI), !,
'$module_expansion'(GI, G1, G2, M, CM, TM, HVars).
'$complete_goal_expansion'(G, M, CM, TM, G1, G2, HVars) :-
'$all_system_predicate'(G,M), !,
'$c_built_in'(G, M, Gi),
@ -535,9 +536,11 @@ source_module(Mod) :-
ensure_loaded(:),
findall(?,:,?),
findall(?,:,?,?),
forall(:,:),
freeze(?,:),
hide_predicate(:),
if(:,:,:),
ignore(:),
incore(:),
listing(:),
multifile(:),

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@ -17,6 +17,10 @@
once(G) :- '$execute'(G), !.
forall(Cond, Action) :- \+((Cond, \+(Action))).
ignore(Goal) :- (Goal->true;true).
if(X,Y,Z) :-
yap_hacks:env_choice_point(CP0),
(