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<?php declare(strict_types=1);
/*
 * This file is part of sebastian/complexity.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace SebastianBergmann\Complexity;

use function assert;
use function file_exists;
use function file_get_contents;
use function is_readable;
use function is_string;
use PhpParser\Error;
use PhpParser\Node;
use PhpParser\NodeTraverser;
use PhpParser\NodeVisitor\NameResolver;
use PhpParser\NodeVisitor\ParentConnectingVisitor;
use PhpParser\ParserFactory;

final class Calculator
{
    /**
     * @param non-empty-string $sourceFile
     *
     * @throws RuntimeException
     */
    public function calculateForSourceFile(string $sourceFile): ComplexityCollection
    {
        assert(file_exists($sourceFile));
        assert(is_readable($sourceFile));

$source = file_get_contents($sourceFile);

assert(is_string($source));

return $this->calculateForSourceString($source);
    }

/**
     * @throws RuntimeException
     */
    public function calculateForSourceString(string $source): ComplexityCollection
    {
        try {
            $nodes = (new ParserFactory)->createForHostVersion()->parse($source);

assert($nodes !== null);

return $this->calculateForAbstractSyntaxTree($nodes);

// @codeCoverageIgnoreStart
        } catch (Error $error) {
            throw new RuntimeException(
                $error->getMessage(),
                $error->getCode(),
                $error,
            );
        }
        // @codeCoverageIgnoreEnd
    }

/**
     * @param Node[] $nodes
     *
     * @throws RuntimeException
     */
    public function calculateForAbstractSyntaxTree(array $nodes): ComplexityCollection
    {
        $traverser                    = new NodeTraverser;
        $complexityCalculatingVisitor = new ComplexityCalculatingVisitor(true);

$traverser->addVisitor(new NameResolver);
        $traverser->addVisitor(new ParentConnectingVisitor);
        $traverser->addVisitor($complexityCalculatingVisitor);

try {
            /* @noinspection UnusedFunctionResultInspection */
            $traverser->traverse($nodes);
            // @codeCoverageIgnoreStart
        } catch (Error $error) {
            throw new RuntimeException(
                $error->getMessage(),
                $error->getCode(),
                $error,
            );
        }
        // @codeCoverageIgnoreEnd

return $complexityCalculatingVisitor->result();
    }
}

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⬅ Naik ke complexity 4 item

Nama	Tipe	Ukuran	Diubah	Aksi
📁Complexity	dir	—	2025-10-25 15:30	📂 Buka
📁Exception	dir	—	2025-10-25 15:30	📂 Buka
📁Visitor	dir	—	2025-10-25 15:30	📂 Buka
🐘Calculator.php	php	2.6 KB	2025-10-25 15:30	✏️ Edit 👁️ View