From 8056186c3cafb3a8b306cc65287d8226ddab0fc3 Mon Sep 17 00:00:00 2001
From: Arthur Baars <aibaars@github.com>
Date: Wed, 4 Nov 2020 12:25:14 +0100
Subject: [PATCH] Hide disconnected tokens

---
 ql/src/codeql_ruby/printAst.qll | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ql/src/codeql_ruby/printAst.qll b/ql/src/codeql_ruby/printAst.qll
index 6d7516ab812..c0ff8049570 100644
--- a/ql/src/codeql_ruby/printAst.qll
+++ b/ql/src/codeql_ruby/printAst.qll
@@ -39,7 +39,14 @@ class PrintAstNode extends AstNode {
    * are printed, but the query can override
    * `PrintAstConfiguration.shouldPrintNode` to filter the output.
    */
-  predicate shouldPrint() { shouldPrintNode(this) }
+  predicate shouldPrint() {
+    (
+      not this instanceof Token
+      or
+      exists(AstNode parent | parent.getAFieldOrChild() = this)
+    ) and
+    shouldPrintNode(this)
+  }
 }
 
 private predicate shouldPrintNode(AstNode n) {