ArcanistNoParentScopeXHPASTLinterRule.php
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ArcanistNoParentScopeXHPASTLinterRule.php
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	<?php

	final class ArcanistNoParentScopeXHPASTLinterRule
	extends ArcanistXHPASTLinterRule {

	const ID = 64;

	public function getLintName() {
	return pht('No Parent Scope');
	}

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

	foreach ($classes as $class) {
	$methods = $class->selectDescendantsOfType('n_METHOD_DECLARATION');

	if ($class->getChildByIndex(2)->getTypeName() == 'n_EXTENDS_LIST') {
	continue;
	}

	foreach ($methods as $method) {
	$static_accesses = $method
	->selectDescendantsOfType('n_CLASS_STATIC_ACCESS');

	foreach ($static_accesses as $static_access) {
	$called_class = $static_access->getChildByIndex(0);

	if ($called_class->getTypeName() != 'n_CLASS_NAME') {
	continue;
	}

	if ($called_class->getConcreteString() == 'parent') {
	$this->raiseLintAtNode(
	$static_access,
	pht(
	'Cannot access %s when current class scope has no parent.',
	'parent::'));
	}
	}
	}
	}
	}

	}