382 lines
13 KiB
Plaintext
382 lines
13 KiB
Plaintext
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% Also has code from:
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% File : APPLIC.PL
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% Author : Lawrence Byrd + Richard A. O'Keefe
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% Updated: 4 August 1984 and Ken Johnson 11-8-87
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% Purpose: Various "function" application routines based on apply/2.
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% Needs : append/3 from listut.pl
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% File : apply_macros.yap
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% Author : E. Alphonse from code by Joachim Schimpf, Jan Wielemaker, Vitor Santos Costa
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% Purpose: Macros to apply a predicate to all elements
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% of a list or to all sub-terms of a term.
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:- module(mapargs,[ mapargs/2, % :Goal, +S
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mapargs/3, % :Goal, +S, -S
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mapargs/4, % :Goal, +S, -S1, -S2
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mapargs/5, % :Goal, +S, -S1, -S2, -S3
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mapargs/6, % :Goal, +S, -S1, -S2, -S3, -S4
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sumargs/4,
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foldargs/4, % :Pred, +S, ?V0, ?V
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foldargs/5, % :Pred, +S, ?S1, ?V0, ?V
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foldargs/6, % :Pred, +S, ?S1, ?S2, ?V0, ?V
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foldargs/7 % :Pred, +S, ?S1, ?S2, ?S3, ?V0, ?V
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]).
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:- use_module(library(maputils)).
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:- use_module(library(lists), [append/3]).
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:- meta_predicate
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mapargs(1,+),
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mapargs_args(1,+,+),
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mapargs(2,+,-),
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mapargs_args(2,+,-,+),
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mapargs(3,+,-,-),
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mapargs_args(2,+,-,-,+),
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mapargs(4,+,-,-,-),
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mapargs_args(2,+,-,-,-,+),
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mapargs(5,+,-,-,-,-),
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mapargs_args(2,+,-,-,-,-,+),
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sumargs(3,+,+,-),
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sumargs_args(3,+,+,-,+),
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foldargs(3, +, +, -),
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foldargs(4, +, ?, +, -),
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foldargs(5, +, ?, ?, +, -),
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foldargs(6, +, ?, ?, ?, +, -).
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mapargs(Pred, TermIn) :-
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functor(TermIn, _F, N),
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mapargs_args(Pred, TermIn, 0, N).
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mapargs_args(Pred, TermIn, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, TermIn, InArg),
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call(Pred, InArg),
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mapargs_args(Pred, TermIn, I1, N) ).
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mapargs(Pred, TermIn, TermOut) :-
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functor(TermIn, F, N),
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functor(TermOut, F, N),
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mapargs_args(Pred, TermIn, TermOut, 0, N).
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mapargs_args(Pred, TermIn, TermOut, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, TermIn, InArg),
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arg(I1, TermOut, OutArg),
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call(Pred, InArg, OutArg),
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mapargs_args(Pred, TermIn, TermOut, I1, N) ).
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mapargs(Pred, TermIn, TermOut1, TermOut2) :-
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functor(TermIn, F, N),
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functor(TermOut1, F, N),
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functor(TermOut2, F, N),
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, 0, N).
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, TermIn, InArg),
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arg(I1, TermOut1, OutArg1),
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arg(I1, TermOut2, OutArg2),
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call(Pred, InArg, OutArg1, OutArg2),
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, I1, N) ).
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mapargs(Pred, TermIn, TermOut1, TermOut2, TermOut3) :-
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functor(TermIn, F, N),
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functor(TermOut1, F, N),
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functor(TermOut2, F, N),
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, TermOut3, 0, N).
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, TermOut3, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, TermIn, InArg),
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arg(I1, TermOut1, OutArg1),
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arg(I1, TermOut2, OutArg2),
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arg(I1, TermOut3, OutArg3),
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call(Pred, InArg, OutArg1, OutArg2, OutArg3),
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, TermOut3, I1, N) ).
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mapargs(Pred, TermIn, TermOut1, TermOut2, TermOut3, TermOut4) :-
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functor(TermIn, F, N),
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functor(TermOut1, F, N),
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functor(TermOut2, F, N),
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functor(TermOut3, F, N),
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functor(TermOut4, F, N),
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, TermOut3, TermOut4, 0, N).
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, TermOut3, TermOut4, I, N) :-
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( I == 0 -> true ;
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I1 is I+1,
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arg(I1, TermIn, InArg),
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arg(I1, TermOut1, OutArg1),
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arg(I1, TermOut2, OutArg2),
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arg(I1, TermOut3, OutArg3),
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arg(I1, TermOut4, OutArg4),
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call(Pred, InArg, OutArg1, OutArg2, OutArg3, OutArg4),
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mapargs_args(Pred, TermIn, TermOut1, TermOut2, TermOut3, TermOut4, I1, N) ).
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sumargs(Pred, Term, A0, A1) :-
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functor(Term, _, N),
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sumargs(Pred, Term, A0, A1, N).
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sumargs_args(_, _, A0, A1, 0) :-
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!,
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A0 = A1.
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sumargs_args(Pred, Term, A1, A3, N) :-
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arg(N, Term, Arg),
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N1 is N - 1,
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call(Pred, Arg, A1, A2),
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sumargs_args(Pred, Term, A2, A3, N1).
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foldargs(Goal, S, V0, V) :-
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functor(S, _, Ar),
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foldargs_(Goal, S, V0, V, 0, Ar).
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foldargs_(Goal, S, V0, V, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, S, A),
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call(Goal, A, V0, V1),
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foldargs_(Goal, S, V1, V, I, N) ).
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foldargs(Goal, S, O1, V0, V) :-
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functor(S, N, Ar),
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functor(O1, N, Ar),
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foldargs_(Goal, S, O1, V0, V, 0, Ar).
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foldargs_(Goal, S, O1, V0, V, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, S, A),
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arg(I1, O1, A1),
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call(Goal, A, A1, V0, V1),
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foldargs_(Goal, S, O1, V1, V, I, N) ).
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foldargs(Goal, S, O1, O2, V0, V) :-
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functor(S, N, Ar),
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functor(O1, N, Ar),
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functor(O2, N, Ar),
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foldargs_(Goal, S, O1, O2, V0, V, 0, Ar).
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foldargs_(Goal, S, O1, O2, V0, V, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, S, A),
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arg(I1, O1, A1),
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arg(I1, O2, A2),
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call(Goal, A, A1, A2, V0, V1),
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foldargs_(Goal, S, O1, O2, V1, V, I, N) ).
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foldargs(Goal, S, O1, O2, O3, V0, V) :-
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functor(S, N, Ar),
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functor(O1, N, Ar),
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functor(O2, N, Ar),
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functor(O3, N, Ar),
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foldargs_(Goal, S, O1, O2, O3, V0, V, 0, Ar).
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foldargs_(Goal, S, O1, O2, O3, V0, V, I, N) :-
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( I == N -> true ;
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I1 is I+1,
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arg(I1, S, A),
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arg(I1, O1, A1),
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arg(I1, O2, A2),
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arg(I1, O3, A3),
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call(Goal, A, A1, A2, A3, V0, V1),
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foldargs_(Goal, S, O1, O2, O3, V1, V, I, N) ).
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goal_expansion(mapargs(Meta, In), (functor(In, _Name, Ar), Mod:Goal)) :-
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goal_expansion_allowed,
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callable(Meta),
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prolog_load_context(module, Mod),
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aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
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!,
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% the new goal
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pred_name(mapargs, 1, Proto, GoalName),
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append(MetaVars, [In, 0, Ar], GoalArgs),
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Goal =.. [GoalName|GoalArgs],
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% the new predicate declaration
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HeadPrefix =.. [GoalName|PredVars],
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% the new predicate declaration
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append_args(HeadPrefix, [In, I, Ar], RecursionHead),
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append_args(Pred, [AIn], Apply),
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append_args(HeadPrefix, [In, I1, Ar], RecursiveCall),
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compile_aux([
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(RecursionHead :- I == 0 -> true ; I1 is I+1, arg(I1, In, AIn), Apply, RecursiveCall )
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], Mod).
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goal_expansion(mapargs(Meta, In, Out), (functor(In, Name, Ar), functor(Out, Name, Ar), Mod:Goal)) :-
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goal_expansion_allowed,
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callable(Meta),
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prolog_load_context(module, Mod),
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aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
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!,
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% the new goal
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pred_name(mapargs, 2, Proto, GoalName),
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append(MetaVars, [In, Out, Ar], GoalArgs),
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Goal =.. [GoalName|GoalArgs],
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% the new predicate declaration
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HeadPrefix =.. [GoalName|PredVars],
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% the new predicate declaration
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append_args(HeadPrefix, [In, Out, I], RecursionHead),
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append_args(Pred, [AIn, AOut], Apply),
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append_args(HeadPrefix, [In, Out, I1], RecursiveCall),
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compile_aux([
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(RecursionHead :- I == 0 -> true ; arg(I, In, AIn), arg(I, Out, AOut), Apply, I1 is I-1, RecursiveCall )
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], Mod).
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goal_expansion(mapargs(Meta, In, Out1, Out2), (functor(In, Name, Ar), functor(Out1, Name, Ar), functor(Out2, Name, Ar), Mod:Goal)) :-
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goal_expansion_allowed,
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callable(Meta),
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prolog_load_context(module, Mod),
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aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
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!,
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% the new goal
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pred_name(mapargs, 3, Proto, GoalName),
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append(MetaVars, [In, Out1, Out2, Ar], GoalArgs),
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Goal =.. [GoalName|GoalArgs],
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% the new predicate declaration
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HeadPrefix =.. [GoalName|PredVars],
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% the new predicate declaration
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append_args(HeadPrefix, [In, Out1, Out2, I], RecursionHead),
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append_args(Pred, [AIn, AOut1, AOut2], Apply),
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append_args(HeadPrefix, [In, Out1, Out2, I1], RecursiveCall),
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compile_aux([
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(RecursionHead :- I == 0 -> true ; arg(I, In, AIn), arg(I, Out1, AOut1), arg(I, Out2, AOut2), Apply, I1 is I-1, RecursiveCall )
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], Mod).
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goal_expansion(mapargs(Meta, In, Out1, Out2, Out3), (functor(In, Name, Ar), functor(Out1, Name, Ar), functor(Out3, Name, Ar), Mod:Goal)) :-
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goal_expansion_allowed,
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callable(Meta),
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prolog_load_context(module, Mod),
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aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
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!,
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% the new goal
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pred_name(mapargs, 4, Proto, GoalName),
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append(MetaVars, [In, Out1, Out2, Out3, Ar], GoalArgs),
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Goal =.. [GoalName|GoalArgs],
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% the new predicate declaration
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HeadPrefix =.. [GoalName|PredVars],
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% the new predicate declaration
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append_args(HeadPrefix, [In, Out1, Out2, Out3, I], RecursionHead),
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append_args(Pred, [AIn, AOut1, AOut2, AOut3], Apply),
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append_args(HeadPrefix, [In, Out1, Out2, Out3, I1], RecursiveCall),
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compile_aux([
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(RecursionHead :- I == 0 -> true ; arg(I, In, AIn), arg(I, Out1, AOut1), arg(I, Out2, AOut2), arg(I, Out3, AOut3), Apply, I1 is I-1, RecursiveCall )
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], Mod).
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goal_expansion(mapargs(Meta, In, Out1, Out2, Out3, Out4), (functor(In, Name, Ar), functor(Out1, Name, Ar), functor(Out3, Name, Ar), functor(Out4, Name, Ar), Mod:Goal)) :-
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goal_expansion_allowed,
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callable(Meta),
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prolog_load_context(module, Mod),
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aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
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!,
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% the new goal
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pred_name(mapargs, 4, Proto, GoalName),
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append(MetaVars, [In, Out1, Out2, Out3, Out4, Ar], GoalArgs),
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Goal =.. [GoalName|GoalArgs],
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% the new predicate declaration
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HeadPrefix =.. [GoalName|PredVars],
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% the new predicate declaration
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append_args(HeadPrefix, [In, Out1, Out2, Out3, Out4, I], RecursionHead),
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append_args(Pred, [AIn, AOut1, AOut2, AOut3, AOut4], Apply),
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append_args(HeadPrefix, [In, Out1, Out2, Out3, Out4, I1], RecursiveCall),
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compile_aux([
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(RecursionHead :- I == 0 -> true ; arg(I, In, AIn), arg(I, Out1, AOut1), arg(I, Out2, AOut2), arg(I, Out3, AOut3), arg(I, Out4, AOut4), Apply, I1 is I-1, RecursiveCall )
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], Mod).
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goal_expansion(sumargs(Meta, Term, AccIn, AccOut), Mod:Goal) :-
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goal_expansion_allowed,
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prolog_load_context(module, Mod),
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Goal = (
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Term =.. [_|TermArgs],
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sumlist(Meta, TermArgs, AccIn, AccOut)
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).
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goal_expansion(foldargs(Meta, In, Acc0, AccF), (functor(In, _Name, Ar), Mod:Goal)) :-
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goal_expansion_allowed,
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callable(Meta),
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prolog_load_context(module, Mod),
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aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
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!,
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% the new goal
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pred_name(foldargs, 1, Proto, GoalName),
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append(MetaVars, [In, Acc0, AccF, 0, Ar], GoalArgs),
|
||
|
|
Goal =.. [GoalName|GoalArgs],
|
||
|
|
% the new predicate declaration
|
||
|
|
HeadPrefix =.. [GoalName|PredVars],
|
||
|
|
% the new predicate declaration
|
||
|
|
append_args(HeadPrefix, [In, VAcc0, VAccF, I, Ar], RecursionHead),
|
||
|
|
append_args(Pred, [AIn, VAcc0, VAccI], Apply),
|
||
|
|
append_args(HeadPrefix, [In, VAccI, VAccF, I1, Ar], RecursiveCall),
|
||
|
|
compile_aux([
|
||
|
|
(RecursionHead :- I == Ar -> VAcc0 = VAccF ; I1 is I+1, arg(I1, In, AIn), Apply, RecursiveCall )
|
||
|
|
], Mod).
|
||
|
|
|
||
|
|
goal_expansion(foldargs(Meta, In, Out1, Acc0, AccF), (functor(In, Name, Ar), functor(Out1, Name, Ar), Mod:Goal)) :-
|
||
|
|
goal_expansion_allowed,
|
||
|
|
callable(Meta),
|
||
|
|
prolog_load_context(module, Mod),
|
||
|
|
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
|
||
|
|
!,
|
||
|
|
% the new goal
|
||
|
|
pred_name(foldargs, 2, Proto, GoalName),
|
||
|
|
append(MetaVars, [In, Out1, Acc0, AccF, 0, Ar], GoalArgs),
|
||
|
|
Goal =.. [GoalName|GoalArgs],
|
||
|
|
% the new predicate declaration
|
||
|
|
HeadPrefix =.. [GoalName|PredVars],
|
||
|
|
% the new predicate declaration
|
||
|
|
append_args(HeadPrefix, [In, Out1, VAcc0, VAccF, I, Ar], RecursionHead),
|
||
|
|
append_args(Pred, [AIn, AOut1, VAcc0, VAccI], Apply),
|
||
|
|
append_args(HeadPrefix, [In, Out1, VAccI, VAccF, I1, Ar], RecursiveCall),
|
||
|
|
compile_aux([
|
||
|
|
(RecursionHead :- I == Ar -> VAcc0 = VAccF ; I1 is I+1, arg(I1, In, AIn), arg(I1, Out1, AOut1), Apply, RecursiveCall )
|
||
|
|
], Mod).
|
||
|
|
|
||
|
|
goal_expansion(foldargs(Meta, In, Out1, Out2, Acc0, AccF), (functor(In, Name, Ar), functor(Out1, Name, Ar), functor(Out2, Name, Ar), Mod:Goal)) :-
|
||
|
|
goal_expansion_allowed,
|
||
|
|
callable(Meta),
|
||
|
|
prolog_load_context(module, Mod),
|
||
|
|
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
|
||
|
|
!,
|
||
|
|
% the new goal
|
||
|
|
pred_name(foldargs, 3, Proto, GoalName),
|
||
|
|
append(MetaVars, [In, Out1, Out2, Acc0, AccF, 0, Ar], GoalArgs),
|
||
|
|
Goal =.. [GoalName|GoalArgs],
|
||
|
|
% the new predicate declaration
|
||
|
|
HeadPrefix =.. [GoalName|PredVars],
|
||
|
|
% the new predicate declaration
|
||
|
|
append_args(HeadPrefix, [In, Out1, Out2, VAcc0, VAccF, I, Ar], RecursionHead),
|
||
|
|
append_args(Pred, [AIn, AOut1, AOut2, VAcc0, VAccI], Apply),
|
||
|
|
append_args(HeadPrefix, [In, Out1, Out2, VAccI, VAccF, I1, Ar], RecursiveCall),
|
||
|
|
compile_aux([
|
||
|
|
(RecursionHead :- I == Ar -> VAcc0 = VAccF ; I1 is I+1, arg(I1, In, AIn), arg(I1, Out1, AOut1), arg(I1, Out2, AOut2), Apply, RecursiveCall )
|
||
|
|
], Mod).
|
||
|
|
|
||
|
|
goal_expansion(foldargs(Meta, In, Out1, Out2, Out3, Acc0, AccF), (functor(In, Name, Ar), functor(Out1, Name, Ar), functor(Out2, Name, Ar), functor(Out3, Name, Ar), Mod:Goal)) :-
|
||
|
|
goal_expansion_allowed,
|
||
|
|
callable(Meta),
|
||
|
|
prolog_load_context(module, Mod),
|
||
|
|
aux_preds(Meta, MetaVars, Pred, PredVars, Proto),
|
||
|
|
!,
|
||
|
|
% the new goal
|
||
|
|
pred_name(foldargs, 4, Proto, GoalName),
|
||
|
|
append(MetaVars, [In, Out1, Out2, Out3, Acc0, AccF, 0, Ar], GoalArgs),
|
||
|
|
Goal =.. [GoalName|GoalArgs],
|
||
|
|
% the new predicate declaration
|
||
|
|
HeadPrefix =.. [GoalName|PredVars],
|
||
|
|
% the new predicate declaration
|
||
|
|
append_args(HeadPrefix, [In, Out1, Out2, Out3, VAcc0, VAccF, I, Ar], RecursionHead),
|
||
|
|
append_args(Pred, [AIn, AOut1, AOut2, AOut3, VAcc0, VAccI], Apply),
|
||
|
|
append_args(HeadPrefix, [In, Out1, Out2, Out3, VAccI, VAccF, I1, Ar], RecursiveCall),
|
||
|
|
compile_aux([
|
||
|
|
(RecursionHead :- I == Ar -> VAcc0 = VAccF ; I1 is I+1, arg(I1, In, AIn), arg(I1, Out1, AOut1), arg(I1, Out2, AOut2), arg(I1, Out3, AOut3), Apply, RecursiveCall )
|
||
|
|
], Mod).
|
||
|
|
|