Merge "Type hint against LinkTarget in WatchedItemStore"

[lhc/web/wiklou.git] / includes / utils / ClassCollector.php

diff --git a/includes/utils/ClassCollector.php b/includes/utils/ClassCollector.php
index c987354..12b8a70 100644 (file)
--- a/includes/utils/ClassCollector.php
+++ b/includes/utils/ClassCollector.php
@@ -59,6 +59,31 @@ class ClassCollector {
                $this->alias = null;
                $this->tokens = [];
 
+               // HACK: The PHP tokenizer is slow (T225730).
+               // Speed it up by reducing the input to the three kinds of statement we care about:
+               // - namespace X;
+               // - [final] [abstract] class X … {}
+               // - class_alias( … );
+               $lines = [];
+               $matches = null;
+               preg_match_all(
+                       // phpcs:ignore Generic.Files.LineLength.TooLong
+                       '#^\t*(?:namespace |(final )?(abstract )?(class|interface|trait) |class_alias\()[^;{]+[;{]\s*\}?#m',
+                       $code,
+                       $matches
+               );
+               if ( isset( $matches[0][0] ) ) {
+                       foreach ( $matches[0] as $match ) {
+                               $match = trim( $match );
+                               if ( substr( $match, -1 ) === '{' ) {
+                                       // Keep it balanced
+                                       $match .= '}';
+                               }
+                               $lines[] = $match;
+                       }
+               }
+               $code = '<?php ' . implode( "\n", $lines ) . "\n";
+
                foreach ( token_get_all( $code ) as $token ) {
                        if ( $this->startToken === null ) {
                                $this->tryBeginExpect( $token );