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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.literal;
import tools.refinery.store.query.Constraint;
import tools.refinery.store.query.equality.LiteralEqualityHelper;
import tools.refinery.store.query.substitution.Substitution;
import tools.refinery.store.query.term.Variable;
import java.util.List;
import java.util.Objects;
public abstract class AbstractCallLiteral implements Literal {
private final Constraint target;
private final List<Variable> arguments;
protected AbstractCallLiteral(Constraint target, List<Variable> arguments) {
int arity = target.arity();
if (arguments.size() != arity) {
throw new IllegalArgumentException("%s needs %d arguments, but got %s".formatted(target.name(),
target.arity(), arguments.size()));
}
this.target = target;
this.arguments = arguments;
var sorts = target.getSorts();
for (int i = 0; i < arity; i++) {
var argument = arguments.get(i);
var sort = sorts.get(i);
if (!sort.isInstance(argument)) {
throw new IllegalArgumentException("Required argument %d of %s to be of sort %s, but got %s instead"
.formatted(i, target, sort, argument.getSort()));
}
}
}
public Constraint getTarget() {
return target;
}
public List<Variable> getArguments() {
return arguments;
}
@Override
public Literal substitute(Substitution substitution) {
var substitutedArguments = arguments.stream().map(substitution::getSubstitute).toList();
return doSubstitute(substitution, substitutedArguments);
}
protected abstract Literal doSubstitute(Substitution substitution, List<Variable> substitutedArguments);
@Override
public boolean equalsWithSubstitution(LiteralEqualityHelper helper, Literal other) {
if (other == null || getClass() != other.getClass()) {
return false;
}
var otherCallLiteral = (AbstractCallLiteral) other;
var arity = arguments.size();
if (arity != otherCallLiteral.arguments.size()) {
return false;
}
for (int i = 0; i < arity; i++) {
if (!helper.variableEqual(arguments.get(i), otherCallLiteral.arguments.get(i))) {
return false;
}
}
return target.equals(helper, otherCallLiteral.target);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
AbstractCallLiteral that = (AbstractCallLiteral) o;
return target.equals(that.target) && arguments.equals(that.arguments);
}
@Override
public int hashCode() {
return Objects.hash(target, arguments);
}
}
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