Make caching the parsing easier

onvbqalc · Sep 16, 2020 · a9f7dda · a9f7dda
1 parent b744991
commit a9f7dda
Show file tree

Hide file tree

Showing 7 changed files with 171 additions and 123 deletions.
diff --git a/Rakefile b/Rakefile
@@ -62,7 +62,7 @@ ERR
   end
 
   assert_dependency_version("Ragel", "7.0.0.9", "ragel -v")
-  assert_dependency_version("Racc", "1.4.15", %|ruby -e "require 'racc'; puts Racc::VERSION"|)
+  assert_dependency_version("Racc", "1.4.16", %|ruby -e "require 'racc'; puts Racc::VERSION"|)
 
   `rm -f lib/graphql/language/parser.rb lib/graphql/language/lexer.rb `
   `racc lib/graphql/language/parser.y -o lib/graphql/language/parser.rb`

diff --git a/lib/graphql.rb b/lib/graphql.rb
@@ -21,6 +21,14 @@ class Error < StandardError
   class RequiredImplementationMissingError < Error
   end
 
+  class << self
+    def default_parser
+      @default_parser ||= GraphQL::Language::Parser
+    end
+
+    attr_writer :default_parser
+  end
+
   # Turn a query string or schema definition into an AST
   # @param graphql_string [String] a GraphQL query string or schema definition
   # @return [GraphQL::Language::Nodes::Document]