CyclomaticComplexityCalculatingVisitor.php
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CyclomaticComplexityCalculatingVisitor.php
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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 get_class;
	use PhpParser\Node;
	use PhpParser\Node\Expr\BinaryOp\BooleanAnd;
	use PhpParser\Node\Expr\BinaryOp\BooleanOr;
	use PhpParser\Node\Expr\BinaryOp\LogicalAnd;
	use PhpParser\Node\Expr\BinaryOp\LogicalOr;
	use PhpParser\Node\Expr\Ternary;
	use PhpParser\Node\Stmt\Case_;
	use PhpParser\Node\Stmt\Catch_;
	use PhpParser\Node\Stmt\ElseIf_;
	use PhpParser\Node\Stmt\For_;
	use PhpParser\Node\Stmt\Foreach_;
	use PhpParser\Node\Stmt\If_;
	use PhpParser\Node\Stmt\While_;
	use PhpParser\NodeVisitorAbstract;

	final class CyclomaticComplexityCalculatingVisitor extends NodeVisitorAbstract
	{
	/**
	* @var int
	*/
	private $cyclomaticComplexity = 1;

	public function enterNode(Node $node): void
	{
	/* @noinspection GetClassMissUseInspection */
	switch (get_class($node)) {
	case BooleanAnd::class:
	case BooleanOr::class:
	case Case_::class:
	case Catch_::class:
	case ElseIf_::class:
	case For_::class:
	case Foreach_::class:
	case If_::class:
	case LogicalAnd::class:
	case LogicalOr::class:
	case Ternary::class:
	case While_::class:
	$this->cyclomaticComplexity++;
	}
	}

	public function cyclomaticComplexity(): int
	{
	return $this->cyclomaticComplexity;
	}
	}