smuuf/primi

<?php

declare(strict_types=1);

namespace Smuuf\Primi\Handlers\Kinds;

use \Smuuf\Primi\Context;
use \Smuuf\Primi\Helpers\Func;
use \Smuuf\Primi\Helpers\Interned;
use \Smuuf\Primi\Handlers\SimpleHandler;
use \Smuuf\Primi\Handlers\HandlerFactory;

class Program extends SimpleHandler {

    protected static function handle(array $node, Context $context) {

        foreach ($node['stmts'] as $sub) {

            $returnValue = HandlerFactory::runNode($sub, $context);
            if ($context->hasRetval()) {
                return;
            }

        }

        return $returnValue ?? Interned::null();

    }

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

        // Make sure the list of statements has proper form.
        if (isset($node['stmts'])) {
            $node['stmts'] = Func::ensure_indexed($node['stmts']);
        } else {
            // ... even if there are no statements at all.
            $node['stmts'] = [];
        }

    }

}