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Fix/hyperpose variable arg #152

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Merged
patham9 merged 2 commits into from
Apr 2, 2026
Merged

Fix/hyperpose variable arg #152

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0622fde
support hyperpose with variable list arguments at runtime
ermijeremy Mar 28, 2026
9fff7bb
test a variable arg
ermijeremy Mar 28, 2026
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5 changes: 5 additions & 0 deletions examples/hyperpose_primes.metta
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@

(= (find-divisor $n $test-divisor)
(if (> (* $test-divisor $test-divisor) $n)
$n
Expand All @@ -8,6 +9,10 @@
(= (prime? $n)
(== $n (find-divisor $n 2)))

;hyperpose should work with a list passed through a variable
!(test (msort (collapse (let $xs (3 1 2) (hyperpose $xs))))
(1 2 3))

;multi-threaded concurrency running each option till the bitter end:
!(test (collapse (hyperpose ((prime? 5353725700019) ;cheap
(prime? 5378181100003) ;cheap
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13 changes: 11 additions & 2 deletions src/translator.pl
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Expand Up @@ -124,8 +124,13 @@
append(G2, [test(Actual, ExpVal, Out)], Goals)
; HV == once, T = [X] -> translate_expr_to_conj(X, Conj, Out),
append(GsH, [once(Conj)], Goals)
; HV == hyperpose, T = [L] -> build_hyperpose_branches(L, Branches),
append(GsH, [concurrent_and(member((Goal,Res), Branches), (call(Goal), Out = Res))], Goals)
; HV == hyperpose, T = [L]
-> ( nonvar(L), is_list(L)
-> build_hyperpose_branches(L, Branches),
append(GsH, [concurrent_and(member((Goal,Res), Branches), (call(Goal), Out = Res))], Goals)
; translate_expr(L, GsL, LV),
append(GsH, GsL, Inner),
append(Inner, [hyperpose_runtime(LV, Out)], Goals) )
; HV == with_mutex, T = [M,X] -> translate_expr_to_conj(X, Conj, Out),
append(GsH, [with_mutex(M,Conj)], Goals)
; HV == transaction, T = [X] -> translate_expr_to_conj(X, Conj, Out),
Expand Down Expand Up @@ -411,6 +416,10 @@
build_hyperpose_branches([E|Es], [(Goal, Res)|Bs]) :- translate_expr_to_conj(E, Goal, Res),
build_hyperpose_branches(Es, Bs).

%Runtime hyperpose path for variable/computed list arguments.
hyperpose_runtime(Exprs, Out) :- is_list(Exprs),
concurrent_and(member(Expr, Exprs), eval(Expr, Out)).

%Like membercheck but with direct equality rather than unification
memberchk_eq(V, [H|_]) :- V == H, !.
memberchk_eq(V, [_|T]) :- memberchk_eq(V, T).
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