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vendor/doctrine/dbal/src/SQL/Builder/CreateSchemaObjectsSQLBuilder.php

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+<?php
+
+namespace Doctrine\DBAL\SQL\Builder;
+
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Schema\Sequence;
+use Doctrine\DBAL\Schema\Table;
+
+use function array_merge;
+
+final class CreateSchemaObjectsSQLBuilder
+{
+    private AbstractPlatform $platform;
+
+    public function __construct(AbstractPlatform $platform)
+    {
+        $this->platform = $platform;
+    }
+
+    /**
+     * @return list<string>
+     *
+     * @throws Exception
+     */
+    public function buildSQL(Schema $schema): array
+    {
+        return array_merge(
+            $this->buildNamespaceStatements($schema->getNamespaces()),
+            $this->buildSequenceStatements($schema->getSequences()),
+            $this->buildTableStatements($schema->getTables()),
+        );
+    }
+
+    /**
+     * @param list<string> $namespaces
+     *
+     * @return list<string>
+     *
+     * @throws Exception
+     */
+    private function buildNamespaceStatements(array $namespaces): array
+    {
+        $statements = [];
+
+        if ($this->platform->supportsSchemas()) {
+            foreach ($namespaces as $namespace) {
+                $statements[] = $this->platform->getCreateSchemaSQL($namespace);
+            }
+        }
+
+        return $statements;
+    }
+
+    /**
+     * @param list<Table> $tables
+     *
+     * @return list<string>
+     *
+     * @throws Exception
+     */
+    private function buildTableStatements(array $tables): array
+    {
+        return $this->platform->getCreateTablesSQL($tables);
+    }
+
+    /**
+     * @param list<Sequence> $sequences
+     *
+     * @return list<string>
+     *
+     * @throws Exception
+     */
+    private function buildSequenceStatements(array $sequences): array
+    {
+        $statements = [];
+
+        foreach ($sequences as $sequence) {
+            $statements[] = $this->platform->getCreateSequenceSQL($sequence);
+        }
+
+        return $statements;
+    }
+}

vendor/doctrine/dbal/src/SQL/Builder/DefaultSelectSQLBuilder.php

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+<?php
+
+namespace Doctrine\DBAL\SQL\Builder;
+
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Query\ForUpdate\ConflictResolutionMode;
+use Doctrine\DBAL\Query\SelectQuery;
+
+use function count;
+use function implode;
+
+final class DefaultSelectSQLBuilder implements SelectSQLBuilder
+{
+    private AbstractPlatform $platform;
+    private ?string $forUpdateSQL;
+    private ?string $skipLockedSQL;
+
+    /** @internal The SQL builder should be instantiated only by database platforms. */
+    public function __construct(AbstractPlatform $platform, ?string $forUpdateSQL, ?string $skipLockedSQL)
+    {
+        $this->platform      = $platform;
+        $this->forUpdateSQL  = $forUpdateSQL;
+        $this->skipLockedSQL = $skipLockedSQL;
+    }
+
+    /** @throws Exception */
+    public function buildSQL(SelectQuery $query): string
+    {
+        $parts = ['SELECT'];
+
+        if ($query->isDistinct()) {
+            $parts[] = 'DISTINCT';
+        }
+
+        $parts[] = implode(', ', $query->getColumns());
+
+        $from = $query->getFrom();
+
+        if (count($from) > 0) {
+            $parts[] = 'FROM ' . implode(', ', $from);
+        }
+
+        $where = $query->getWhere();
+
+        if ($where !== null) {
+            $parts[] = 'WHERE ' . $where;
+        }
+
+        $groupBy = $query->getGroupBy();
+
+        if (count($groupBy) > 0) {
+            $parts[] = 'GROUP BY ' . implode(', ', $groupBy);
+        }
+
+        $having = $query->getHaving();
+
+        if ($having !== null) {
+            $parts[] = 'HAVING ' . $having;
+        }
+
+        $orderBy = $query->getOrderBy();
+
+        if (count($orderBy) > 0) {
+            $parts[] = 'ORDER BY ' . implode(', ', $orderBy);
+        }
+
+        $sql   = implode(' ', $parts);
+        $limit = $query->getLimit();
+
+        if ($limit->isDefined()) {
+            $sql = $this->platform->modifyLimitQuery($sql, $limit->getMaxResults(), $limit->getFirstResult());
+        }
+
+        $forUpdate = $query->getForUpdate();
+
+        if ($forUpdate !== null) {
+            if ($this->forUpdateSQL === null) {
+                throw Exception::notSupported('FOR UPDATE');
+            }
+
+            $sql .= ' ' . $this->forUpdateSQL;
+
+            if ($forUpdate->getConflictResolutionMode() === ConflictResolutionMode::SKIP_LOCKED) {
+                if ($this->skipLockedSQL === null) {
+                    throw Exception::notSupported('SKIP LOCKED');
+                }
+
+                $sql .= ' ' . $this->skipLockedSQL;
+            }
+        }
+
+        return $sql;
+    }
+}

vendor/doctrine/dbal/src/SQL/Builder/DropSchemaObjectsSQLBuilder.php

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+<?php
+
+namespace Doctrine\DBAL\SQL\Builder;
+
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Schema\Sequence;
+use Doctrine\DBAL\Schema\Table;
+
+use function array_merge;
+
+final class DropSchemaObjectsSQLBuilder
+{
+    private AbstractPlatform $platform;
+
+    public function __construct(AbstractPlatform $platform)
+    {
+        $this->platform = $platform;
+    }
+
+    /**
+     * @return list<string>
+     *
+     * @throws Exception
+     */
+    public function buildSQL(Schema $schema): array
+    {
+        return array_merge(
+            $this->buildSequenceStatements($schema->getSequences()),
+            $this->buildTableStatements($schema->getTables()),
+        );
+    }
+
+    /**
+     * @param list<Table> $tables
+     *
+     * @return list<string>
+     */
+    private function buildTableStatements(array $tables): array
+    {
+        return $this->platform->getDropTablesSQL($tables);
+    }
+
+    /**
+     * @param list<Sequence> $sequences
+     *
+     * @return list<string>
+     *
+     * @throws Exception
+     */
+    private function buildSequenceStatements(array $sequences): array
+    {
+        $statements = [];
+
+        foreach ($sequences as $sequence) {
+            $statements[] = $this->platform->getDropSequenceSQL($sequence);
+        }
+
+        return $statements;
+    }
+}

vendor/doctrine/dbal/src/SQL/Builder/SelectSQLBuilder.php

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+<?php
+
+namespace Doctrine\DBAL\SQL\Builder;
+
+use Doctrine\DBAL\Exception;
+use Doctrine\DBAL\Query\SelectQuery;
+
+interface SelectSQLBuilder
+{
+    /** @throws Exception */
+    public function buildSQL(SelectQuery $query): string;
+}

vendor/doctrine/dbal/src/SQL/Parser.php

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+<?php
+
+namespace Doctrine\DBAL\SQL;
+
+use Doctrine\DBAL\SQL\Parser\Exception;
+use Doctrine\DBAL\SQL\Parser\Exception\RegularExpressionError;
+use Doctrine\DBAL\SQL\Parser\Visitor;
+
+use function array_merge;
+use function assert;
+use function current;
+use function implode;
+use function key;
+use function next;
+use function preg_last_error;
+use function preg_match;
+use function reset;
+use function sprintf;
+use function strlen;
+
+use const PREG_NO_ERROR;
+
+/**
+ * The SQL parser that focuses on identifying prepared statement parameters. It implements parsing other tokens like
+ * string literals and comments only as a way to not confuse their contents with the the parameter placeholders.
+ *
+ * The parsing logic and the implementation is inspired by the PHP PDO parser.
+ *
+ * @internal
+ *
+ * @see https://github.com/php/php-src/blob/php-7.4.12/ext/pdo/pdo_sql_parser.re#L49-L69
+ */
+final class Parser
+{
+    private const SPECIAL_CHARS = ':\?\'"`\\[\\-\\/';
+
+    private const BACKTICK_IDENTIFIER  = '`[^`]*`';
+    private const BRACKET_IDENTIFIER   = '(?<!\b(?i:ARRAY))\[(?:[^\]])*\]';
+    private const MULTICHAR            = ':{2,}';
+    private const NAMED_PARAMETER      = ':[a-zA-Z0-9_]+';
+    private const POSITIONAL_PARAMETER = '(?<!\\?)\\?(?!\\?)';
+    private const ONE_LINE_COMMENT     = '--[^\r\n]*';
+    private const MULTI_LINE_COMMENT   = '/\*([^*]+|\*+[^/*])*\**\*/';
+    private const SPECIAL              = '[' . self::SPECIAL_CHARS . ']';
+    private const OTHER                = '[^' . self::SPECIAL_CHARS . ']+';
+
+    private string $sqlPattern;
+
+    public function __construct(bool $mySQLStringEscaping)
+    {
+        if ($mySQLStringEscaping) {
+            $patterns = [
+                $this->getMySQLStringLiteralPattern("'"),
+                $this->getMySQLStringLiteralPattern('"'),
+            ];
+        } else {
+            $patterns = [
+                $this->getAnsiSQLStringLiteralPattern("'"),
+                $this->getAnsiSQLStringLiteralPattern('"'),
+            ];
+        }
+
+        $patterns = array_merge($patterns, [
+            self::BACKTICK_IDENTIFIER,
+            self::BRACKET_IDENTIFIER,
+            self::MULTICHAR,
+            self::ONE_LINE_COMMENT,
+            self::MULTI_LINE_COMMENT,
+            self::OTHER,
+        ]);
+
+        $this->sqlPattern = sprintf('(%s)', implode('|', $patterns));
+    }
+
+    /**
+     * Parses the given SQL statement
+     *
+     * @throws Exception
+     */
+    public function parse(string $sql, Visitor $visitor): void
+    {
+        /** @var array<string,callable> $patterns */
+        $patterns = [
+            self::NAMED_PARAMETER => static function (string $sql) use ($visitor): void {
+                $visitor->acceptNamedParameter($sql);
+            },
+            self::POSITIONAL_PARAMETER => static function (string $sql) use ($visitor): void {
+                $visitor->acceptPositionalParameter($sql);
+            },
+            $this->sqlPattern => static function (string $sql) use ($visitor): void {
+                $visitor->acceptOther($sql);
+            },
+            self::SPECIAL => static function (string $sql) use ($visitor): void {
+                $visitor->acceptOther($sql);
+            },
+        ];
+
+        $offset = 0;
+
+        while (($handler = current($patterns)) !== false) {
+            if (preg_match('~\G' . key($patterns) . '~s', $sql, $matches, 0, $offset) === 1) {
+                $handler($matches[0]);
+                reset($patterns);
+
+                $offset += strlen($matches[0]);
+            } elseif (preg_last_error() !== PREG_NO_ERROR) {
+                // @codeCoverageIgnoreStart
+                throw RegularExpressionError::new();
+                // @codeCoverageIgnoreEnd
+            } else {
+                next($patterns);
+            }
+        }
+
+        assert($offset === strlen($sql));
+    }
+
+    private function getMySQLStringLiteralPattern(string $delimiter): string
+    {
+        return $delimiter . '((\\\\.)|(?![' . $delimiter . '\\\\]).)*' . $delimiter;
+    }
+
+    private function getAnsiSQLStringLiteralPattern(string $delimiter): string
+    {
+        return $delimiter . '[^' . $delimiter . ']*' . $delimiter;
+    }
+}

vendor/doctrine/dbal/src/SQL/Parser/Exception.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\SQL\Parser;
+
+use Throwable;
+
+interface Exception extends Throwable
+{
+}

vendor/doctrine/dbal/src/SQL/Parser/Exception/RegularExpressionError.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\DBAL\SQL\Parser\Exception;
+
+use Doctrine\DBAL\SQL\Parser\Exception;
+use RuntimeException;
+
+use function preg_last_error;
+use function preg_last_error_msg;
+
+class RegularExpressionError extends RuntimeException implements Exception
+{
+    public static function new(): self
+    {
+        return new self(preg_last_error_msg(), preg_last_error());
+    }
+}

vendor/doctrine/dbal/src/SQL/Parser/Visitor.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Doctrine\DBAL\SQL\Parser;
+
+/**
+ * SQL parser visitor
+ *
+ * @internal
+ */
+interface Visitor
+{
+    /**
+     * Accepts an SQL fragment containing a positional parameter
+     */
+    public function acceptPositionalParameter(string $sql): void;
+
+    /**
+     * Accepts an SQL fragment containing a named parameter
+     */
+    public function acceptNamedParameter(string $sql): void;
+
+    /**
+     * Accepts other SQL fragments
+     */
+    public function acceptOther(string $sql): void;
+}