Enable graphql benchmarks with ractor harness

Author: luke-gruber

benchmarks/graphql/benchmark.rb

@@ -5,10 +5,21 @@
 
 require "graphql"
 
-data = File.read "negotiate.gql"
+DATA = Ractor.make_shareable(File.read "negotiate.gql")
+
+if ENV["YJIT_BENCH_RACTOR_HARNESS"]
+  GraphQL.default_parser
+  Ractor.make_shareable(GraphQL::Tracing::NullTrace)
+  GraphQL::Language::Lexer.constants.each do |constant|
+    Ractor.make_shareable(GraphQL::Language::Lexer.const_get(constant))
+  end
+  GraphQL::Language::Parser.constants.each do |constant|
+    Ractor.make_shareable(GraphQL::Language::Parser.const_get(constant))
+  end
+end
 
 run_benchmark(10) do
   10.times do |i|
-    GraphQL.parse data
+    GraphQL.parse DATA
   end
 end