package DX::QueryState;
-use Types::Standard qw(HashRef);
use DX::Scope;
use DX::Hypothesis;
-use DX::SearchState;
+use DX::SearchProcess;
use DX::ResolvedPropositionSet;
use DX::Value::Unset;
use DX::ActionBuilder::UnsetValue;
locals => [
dict(
map +($_ => DX::Value::Unset->new(
- identity_path => [ 0, $_ ],
action_builder => DX::ActionBuilder::UnsetValue->new(
target_path => [ 0, $_ ],
)
)
), @local_names
)
- ]
+ ],
+ lex_map => {
+ map +($_ => [ 0, $_ ]), @local_names
+ }
);
my $hyp = DX::Hypothesis->new(
scope => $scope,
resolved_propositions => DX::ResolvedPropositionSet->new_empty,
- outstanding_propositions => $prop_seq->members,
actions => [],
action_applications => [],
action_policy => DX::ActionPolicy::Allow->new,
);
- return DX::SearchState->new(
- current_hypothesis => $hyp,
- alternatives => [],
- );
+ return DX::SearchProcess->new_for($hyp, $prop_seq);
}
sub with_additional_proposition {
->with_additional_proposition($prop);
my $sol_ss = $self->new_search_state_for($prop_seq)
->find_solution;
- die "No solution" unless $sol_ss;
+ die "No solution\n" unless $sol_ss;
$self->but(
proposition_sequence => $prop_seq,
search_state => $sol_ss,
);
}
+sub with_forced_backtrack {
+ my ($self) = @_;
+ my $next_ss = $self->search_state->find_next_solution;
+ die "No next solution\n" unless $next_ss;
+ $self->but(search_state => $next_ss);
+}
+
1;