Split, cleanup, and reorganize the SQLite driver prototype

Author: JanJakes

.gitattributes

@@ -7,7 +7,7 @@ phpcs.xml.dist export-ignore
 phpunit.xml.dist export-ignore
 /grammar-tools export-ignore
 /tests export-ignore
-/wip export-ignore
 /wp-includes/mysql export-ignore
 /wp-includes/parser export-ignore
+/wp-includes/sqlite-ast export-ignore
 wp-includes/sqlite/class-wp-sqlite-crosscheck-db.php export-ignore

tests/tools/dump-sqlite-query.php

@@ -0,0 +1,21 @@
+<?php
+
+require_once __DIR__ . '/../../wp-includes/parser/class-wp-parser.php';
+require_once __DIR__ . '/../../wp-includes/parser/class-wp-parser-grammar.php';
+require_once __DIR__ . '/../../wp-includes/parser/class-wp-parser-node.php';
+require_once __DIR__ . '/../../wp-includes/mysql/class-wp-mysql-lexer.php';
+require_once __DIR__ . '/../../wp-includes/mysql/class-wp-mysql-token.php';
+require_once __DIR__ . '/../../wp-includes/mysql/class-wp-mysql-parser.php';
+require_once __DIR__ . '/../../wp-includes/sqlite-ast/class-wp-sqlite-expression.php';
+require_once __DIR__ . '/../../wp-includes/sqlite-ast/class-wp-sqlite-driver.php';
+require_once __DIR__ . '/../../wp-includes/sqlite-ast/class-wp-sqlite-token-factory.php';
+require_once __DIR__ . '/../../wp-includes/sqlite-ast/class-wp-sqlite-token.php';
+require_once __DIR__ . '/../../wp-includes/sqlite-ast/class-wp-sqlite-query-builder.php';
+
+$grammar_data = include __DIR__ . '/../../wp-includes/mysql/mysql-grammar.php';
+$grammar      = new WP_Parser_Grammar( $grammar_data );
+$driver       = new WP_SQLite_Driver( $grammar );
+
+$query = "SELECT * FROM t1 LEFT JOIN t2 ON t1.id = t2.t1_id WHERE t1.name = 'abc'";
+
+echo $driver->run_query( $query );

wp-includes/mysql/class-wp-mysql-token.php

@@ -29,6 +29,10 @@ public function get_name() {
 		return WP_MySQL_Lexer::get_token_name( $this->type );
 	}
 
+	public function extract_value() {
+		return $this->get_text();
+	}
+
 	public function __toString() {
 		return $this->text . '<' . $this->type . ',' . $this->get_name() . '>';
 	}