From d42172022fd07a4a89641cb80dcbe650302a0bc9 Mon Sep 17 00:00:00 2001
From: Serj Prikhodko <sergei.prikhodko@workato.com>
Date: Tue, 23 Jan 2024 10:23:46 +0100
Subject: [PATCH] Replace `regexp` check with `parse`

---
 lib/unparser/emitter/primitive.rb | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/lib/unparser/emitter/primitive.rb b/lib/unparser/emitter/primitive.rb
index 57f42ec..7eae0ef 100644
--- a/lib/unparser/emitter/primitive.rb
+++ b/lib/unparser/emitter/primitive.rb
@@ -26,15 +26,24 @@ class Symbol < self
 
         private
 
-        # mutant:disable
+
         def dispatch
-          if RUBY_VERSION < '3.2' && value.match?(/=\z/)
+          if inspect_breaks_parsing?
             write(":#{value.name.inspect}")
           else
             write(value.inspect)
           end
         end
 
+        # mutant:disable
+        def inspect_breaks_parsing?
+          return false unless RUBY_VERSION < '3.2.'
+
+          Unparser.parse(value.inspect)
+          false
+        rescue Parser::SyntaxError
+          true
+        end
       end # Symbol
 
       # Emitter for complex literals