From 757b8be9cd5d22c556198fcedc78503df7621e72 Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Tue, 16 Jan 2024 09:25:22 -0500
Subject: [PATCH] Mark procedural filters with pseudo-elements selector as
 invalid

Related issue:
https://github.com/uBlockOrigin/uBlock-issues/issues/2786
---
 src/js/static-filtering-parser.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index eb8988bf6..908f83ef8 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -3297,10 +3297,9 @@ class ExtSelectorCompiler {
         if ( this.astHasType(parts, 'Error') ) { return; }
         if ( this.astHasType(parts, 'Selector') === false ) { return; }
         if ( this.astIsValidSelectorList(parts) === false ) { return; }
-        if (
-            this.astHasType(parts, 'ProceduralSelector') === false &&
-            this.astHasType(parts, 'ActionSelector') === false
-        ) {
+        if ( this.astHasType(parts, 'ProceduralSelector') ) {
+            if ( this.astHasType(parts, 'PseudoElementSelector') ) { return; }
+        } else if ( this.astHasType(parts, 'ActionSelector') === false ) {
             return this.astSerialize(parts);
         }
         const r = this.astCompile(parts);