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Mutator.php
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Mutator.php
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<?php
/**
* This code is licensed under the BSD 3-Clause License.
*
* Copyright (c) 2017-2019, Maks Rafalko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
declare(strict_types=1);
namespace Infection\Mutator\Util;
use Infection\Visitor\ReflectionVisitor;
use PhpParser\Node;
abstract class Mutator
{
/**
* @var MutatorConfig
*/
private $config;
public function __construct(MutatorConfig $config)
{
$this->config = $config;
}
/**
* @return Node|Node[]|\Generator
*/
abstract public function mutate(Node $node);
final public function shouldMutate(Node $node): bool
{
if (!$this->mutatesNode($node)) {
return false;
}
$reflectionClass = $node->getAttribute(ReflectionVisitor::REFLECTION_CLASS_KEY, false);
if (!$reflectionClass) {
return true;
}
return !$this->config->isIgnored($reflectionClass->getName(), $node->getAttribute(ReflectionVisitor::FUNCTION_NAME, ''));
}
final public static function getName(): string
{
$parts = explode('\\', static::class);
return end($parts);
}
final protected function getSettings(): array
{
return $this->config->getMutatorSettings();
}
abstract protected function mutatesNode(Node $node): bool;
}