ArcanistClassExtendsObjectXHPASTLinterRule.php
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ArcanistClassExtendsObjectXHPASTLinterRule.php
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	<?php

	final class ArcanistClassExtendsObjectXHPASTLinterRule
	extends ArcanistXHPASTLinterRule {

	const ID = 88;

	public function getLintName() {
	return pht('Class Not Extending `%s`', 'Phobject');
	}

	public function getLintSeverity() {
	return ArcanistLintSeverity::SEVERITY_DISABLED;
	}

	public function process(XHPASTNode $root) {
	$classes = $root->selectDescendantsOfType('n_CLASS_DECLARATION');

	foreach ($classes as $class) {
	// TODO: This doesn't quite work for namespaced classes (see T8534).
	$name = $class->getChildOfType(1, 'n_CLASS_NAME');
	$extends = $class->getChildByIndex(2);

	if ($name->getConcreteString() == 'Phobject') {
	continue;
	}

	if ($extends->getTypeName() == 'n_EMPTY') {
	$this->raiseLintAtNode(
	$class,
	pht(
	'Classes should extend from `%s` or from some other class. '.
	'All classes (except for `%s` itself) should have a base class.',
	'Phobject',
	'Phobject'));
	}
	}
	}

	}