Developer
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2023 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Command;
use PhpParser\Parser;
use Psy\Exception\ParseErrorException;
use Psy\ParserFactory;
/**
* Class CodeArgumentParser.
*/
class CodeArgumentParser
{
private $parser;
public function __construct(?Parser $parser = null)
{
$this->parser = $parser ?? (new ParserFactory())->createParser();
}
/**
* Lex and parse a string of code into statements.
*
* This is intended for code arguments, so the code string *should not* start with <?php
*
* @throws ParseErrorException
*
* @return array Statements
*/
public function parse(string $code): array
{
$code = '<?php '.$code;
try {
return $this->parser->parse($code);
} catch (\PhpParser\Error $e) {
if (\strpos($e->getMessage(), 'unexpected EOF') === false) {
throw ParseErrorException::fromParseError($e);
}
// If we got an unexpected EOF, let's try it again with a semicolon.
try {
return $this->parser->parse($code.';');
} catch (\PhpParser\Error $_e) {
// Throw the original error, not the semicolon one.
throw ParseErrorException::fromParseError($e);
}
}
}
}
Developer
To ensure a smooth integration process and optimal performance, follow these best practices: