1 files changed, 28 insertions, 6 deletions
diff --git a/ext/json/lib/json/ext.rb b/ext/json/lib/json/ext.rb
index 2082cae68f..5bacc5e371 100644
--- a/ext/json/lib/json/ext.rb
+++ b/ext/json/lib/json/ext.rb
@@ -6,18 +6,40 @@ module JSON
   # This module holds all the modules/classes that implement JSON's
   # functionality as C extensions.
   module Ext
+    class Parser
+      class << self
+        def parse(...)
+          new(...).parse
+        end
+        alias_method :parse, :parse # Allow redefinition by extensions
+      end
+
+      def initialize(source, opts = nil)
+        @source = source
+        @config = Config.new(opts)
+      end
+
+      def source
+        @source.dup
+      end
+
+      def parse
+        @config.parse(@source)
+      end
+    end
+
+    require 'json/ext/parser'
+    Ext::Parser::Config = Ext::ParserConfig
+    JSON.parser = Ext::Parser
+
     if RUBY_ENGINE == 'truffleruby'
-      require 'json/ext/parser'
       require 'json/truffle_ruby/generator'
-      JSON.parser = Parser
-      JSON.generator = ::JSON::TruffleRuby::Generator
+      JSON.generator = JSON::TruffleRuby::Generator
     else
-      require 'json/ext/parser'
       require 'json/ext/generator'
-      JSON.parser = Parser
       JSON.generator = Generator
     end
   end
 
-  JSON_LOADED = true unless defined?(::JSON::JSON_LOADED)
+  JSON_LOADED = true unless defined?(JSON::JSON_LOADED)
 end