smuuf/primi

<?php

declare(strict_types=1);

namespace Smuuf\Primi\Handlers;

use \Smuuf\Primi\Context;
use \Smuuf\Primi\Helpers\Func;
use \Smuuf\Primi\Helpers\ArithmeticLTR;
use \Smuuf\Primi\Handlers\SimpleHandler;

/**
 * Common ancestor of Addition, Multiplication handlers, both of which have
 * the exact same implementation, but are separated on a grammar level for
 * operators "and" and "or" to have a distinct precedences.
 */
abstract class SharedArithmeticHandler extends SimpleHandler {

    protected static function handle(array $node, Context $context) {
        return ArithmeticLTR::handle($node, $context);
    }

    public static function reduce(array &$node): void {

        // If there is no operator, then there's no need to keep this as
        // a complex node of this type. Reduce this node to its only operand.
        if (!isset($node['ops'])) {
            $node = $node['operands'];
        } else {
            $node['ops'] = Func::ensure_indexed($node['ops']);
        }

    }

}