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Name	Size	Permission	Date
AlterStatement.php	3.96 KB	-rw-r--r--	2023-01-25 10:43
AnalyzeStatement.php	744 B	-rw-r--r--	2023-01-25 10:43
BackupStatement.php	631 B	-rw-r--r--	2023-01-25 10:43
CallStatement.php	716 B	-rw-r--r--	2023-01-25 10:43
CheckStatement.php	632 B	-rw-r--r--	2023-01-25 10:43
ChecksumStatement.php	553 B	-rw-r--r--	2023-01-25 10:43
CreateStatement.php	24.01 KB	-rw-r--r--	2023-01-25 10:43
DeleteStatement.php	11.19 KB	-rw-r--r--	2023-01-25 10:43
DropStatement.php	1.61 KB	-rw-r--r--	2023-01-25 10:43
ExplainStatement.php	6.31 KB	-rw-r--r--	2023-01-25 10:43
InsertStatement.php	7.2 KB	-rw-r--r--	2023-01-25 10:43
LoadStatement.php	11.05 KB	-rw-r--r--	2023-01-25 10:43
LockStatement.php	3.36 KB	-rw-r--r--	2023-01-25 10:43
MaintenanceStatement.php	1.47 KB	-rw-r--r--	2023-01-25 10:43
NotImplementedStatement.php	1.3 KB	-rw-r--r--	2023-01-25 10:43
OptimizeStatement.php	748 B	-rw-r--r--	2023-01-25 10:43
PurgeStatement.php	3.74 KB	-rw-r--r--	2023-01-25 10:43
RenameStatement.php	1.36 KB	-rw-r--r--	2023-01-25 10:43
RepairStatement.php	674 B	-rw-r--r--	2023-01-25 10:43
ReplaceStatement.php	4.97 KB	-rw-r--r--	2023-01-25 10:43
RestoreStatement.php	580 B	-rw-r--r--	2023-01-25 10:43
SelectStatement.php	7.83 KB	-rw-r--r--	2023-01-25 10:43
SetStatement.php	2.36 KB	-rw-r--r--	2023-01-25 10:43
ShowStatement.php	1.35 KB	-rw-r--r--	2023-01-25 10:43
TransactionStatement.php	2.39 KB	-rw-r--r--	2023-01-25 10:43
TruncateStatement.php	854 B	-rw-r--r--	2023-01-25 10:43
UpdateStatement.php	2.5 KB	-rw-r--r--	2023-01-25 10:43
WithStatement.php	11.07 KB	-rw-r--r--	2023-01-25 10:43

Rename

<?php

declare(strict_types=1);

namespace PhpMyAdmin\SqlParser\Statements;

use PhpMyAdmin\SqlParser\Components\LockExpression;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Statement;
use PhpMyAdmin\SqlParser\Token;
use PhpMyAdmin\SqlParser\TokensList;

use function trim;

/**
 * `LOCK` statement.
 */
class LockStatement extends Statement
{
    /**
     * Tables with their Lock expressions.
     *
     * @var LockExpression[]
     */
    public $locked = [];

/**
     * Whether it's a LOCK statement
     * if false, it's an UNLOCK statement
     *
     * @var bool
     */
    public $isLock = true;

/**
     * @param Parser     $parser the instance that requests parsing
     * @param TokensList $list   the list of tokens to be parsed
     */
    public function parse(Parser $parser, TokensList $list)
    {
        if ($list->tokens[$list->idx]->value === 'UNLOCK') {
            // this is in fact an UNLOCK statement
            $this->isLock = false;
        }

++$list->idx; // Skipping `LOCK`.

/**
         * The state of the parser.
         *
         * Below are the states of the parser.
         *
         *      0 ---------------- [ TABLES ] -----------------> 1
         *      1 -------------- [ lock_expr ] ----------------> 2
         *      2 ------------------ [ , ] --------------------> 1
         *
         * @var int
         */
        $state = 0;

/**
         * Previous parsed token
         */
        $prevToken = null;

for (; $list->idx < $list->count; ++$list->idx) {
            /**
             * Token parsed at this moment.
             */
            $token = $list->tokens[$list->idx];

// End of statement.
            if ($token->type === Token::TYPE_DELIMITER) {
                break;
            }

// Skipping whitespaces and comments.
            if (($token->type === Token::TYPE_WHITESPACE) || ($token->type === Token::TYPE_COMMENT)) {
                continue;
            }

if ($state === 0) {
                if ($token->type === Token::TYPE_KEYWORD) {
                    if ($token->keyword !== 'TABLES') {
                        $parser->error('Unexpected keyword.', $token);
                        break;
                    }

$state = 1;
                    continue;
                }

$parser->error('Unexpected token.', $token);
                break;
            }

if ($state === 1) {
                if (! $this->isLock) {
                    // UNLOCK statement should not have any more tokens
                    $parser->error('Unexpected token.', $token);
                    break;
                }

$this->locked[] = LockExpression::parse($parser, $list);
                $state = 2;
            } elseif ($state === 2) {
                if ($token->value === ',') {
                    // move over to parsing next lock expression
                    $state = 1;
                }
            }

$prevToken = $token;
        }

if ($state === 2 || $prevToken === null) {
            return;
        }

$parser->error('Unexpected end of LOCK statement.', $prevToken);
    }

/**
     * @return string
     */
    public function build()
    {
        return trim(($this->isLock ? 'LOCK' : 'UNLOCK')
            . ' TABLES ' . LockExpression::build($this->locked));
    }
}