ArcanistLanguageConstructParenthesesXHPASTLinterRule.php
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ArcanistLanguageConstructParenthesesXHPASTLinterRule.php
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	<?php

	final class ArcanistLanguageConstructParenthesesXHPASTLinterRule
	extends ArcanistXHPASTLinterRule {

	const ID = 46;

	public function getLintName() {
	return pht('Language Construct Parentheses');
	}

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

	public function process(XHPASTNode $root) {
	$nodes = $root->selectDescendantsOfTypes(array(
	'n_INCLUDE_FILE',
	'n_ECHO_LIST',
	));

	foreach ($nodes as $node) {
	$child = head($node->getChildren());

	if ($child->getTypeName() === 'n_PARENTHETICAL_EXPRESSION') {
	list($before, $after) = $child->getSurroundingNonsemanticTokens();

	$replace = preg_replace(
	'/^$(.*)$$/',
	'$1',
	$child->getConcreteString());

	if (!$before) {
	$replace = ' '.$replace;
	}

	$this->raiseLintAtNode(
	$child,
	pht('Language constructs do not require parentheses.'),
	$replace);
	}
	}
	}

	}

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