ArcanistNestedNamespacesXHPASTLinterRule.php
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ArcanistNestedNamespacesXHPASTLinterRule.php
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	<?php

	final class ArcanistNestedNamespacesXHPASTLinterRule
	extends ArcanistXHPASTLinterRule {

	const ID = 90;

	public function getLintName() {
	return pht('Nested `%s` Statements', 'namespace');
	}

	public function process(XHPASTNode $root) {
	$namespaces = $root->selectDescendantsOfType('n_NAMESPACE');

	foreach ($namespaces as $namespace) {
	$nested_namespaces = $namespace->selectDescendantsOfType('n_NAMESPACE');

	foreach ($nested_namespaces as $nested_namespace) {
	$this->raiseLintAtNode(
	$nested_namespace,
	pht(
	'`%s` declarations cannot be nested. '.
	'This construct will cause a PHP fatal error.',
	'namespace'));
	}
	}
	}

	}