+ rubynext.y: branch ruby-next custom parser and lexer

.gitignore

@@ -32,3 +32,6 @@ lib/parser/ruby27.rb
 lib/parser/ruby28.rb
 lib/parser/macruby.rb
 lib/parser/rubymotion.rb
+
+lib/parser/ruby-next/rubynext.rb
+lib/parser/ruby-next/lexer.rb

Rakefile

@@ -34,7 +34,9 @@ GENERATED_FILES = %w(lib/parser/lexer.rb
                      lib/parser/ruby27.rb
                      lib/parser/ruby28.rb
                      lib/parser/macruby.rb
-                     lib/parser/rubymotion.rb)
+                     lib/parser/rubymotion.rb
+                     lib/parser/ruby-next/rubynext.rb
+                     lib/parser/ruby-next/lexer.rb)
 
 CLEAN.include(GENERATED_FILES)
 

lib/parser/ruby-next/builder.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require "parser/builders/default"
+require_relative "meta"
+
+module Parser
+  # Add RubyNext specific builder methods
+  module Builders::Next
+  end
+end