From 20181e9f1886e03189ee93e1e1ae70cec2802eed Mon Sep 17 00:00:00 2001
From: Raymond Hill <rhill@raymondhill.net>
Date: Thu, 10 Nov 2022 09:30:52 -0500
Subject: [PATCH] Properly detect unsupported pseudo operators

Related feedback:
- https://www.reddit.com/r/uBlockOrigin/comments/yr8eda/
---
 src/js/static-filtering-parser.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 66c6c1d72..f4ccc7d68 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -1549,6 +1549,10 @@ Parser.prototype.SelectorCompiler = class {
 
         // Post-analysis
         // Mind https://w3c.github.io/csswg-drafts/selectors-4/#has-pseudo
+        if ( data.name.startsWith('-abp-') ) {
+            data.type = 'Error';
+            return;
+        }
         data.name = this.normalizedOperators.get(data.name) || data.name;
         if ( this.proceduralOperatorNames.has(data.name) ) {
             data.type = 'ProceduralSelector';