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편집 파일: ClosureNode.php

<?php

declare(strict_types=1);

namespace CuyZ\Valinor\Compiler\Native;

use CuyZ\Valinor\Compiler\Compiler;
use CuyZ\Valinor\Compiler\Node;

use function array_map;
use function implode;

/** @internal */
final class ClosureNode extends Node
{
    /** @var list<string> */
    private array $use = [];

/** @var array<Node> */
    private array $nodes;

public function __construct(Node ...$nodes)
    {
        $this->nodes = $nodes;
    }

/**
     * @no-named-arguments
     * @param non-empty-string ...$names
     */
    public function uses(string ...$names): self
    {
        $self = clone $this;
        $self->use = array_map(fn (string $name) => '$' . $name, $names);

return $self;
    }

public function compile(Compiler $compiler): Compiler
    {
        $use = $this->use !== [] ? ' use (' . implode(', ', $this->use) . ')' : '';

$body = $compiler->sub()->indent()->compile(...$this->nodes)->code();

$code = <<<PHP
        function ()$use {
        $body
        }
        PHP;

return $compiler->write($code);
    }
}

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편집 파일: ClosureNode.php

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