(https://github.com/ruby/rdoc/pull/1144)
* Add a new ruby parser RDoc::Parser::PrismRuby
* Add a new ruby parser testcase independent from parser's internal implementation
* unknown meta method
* Use MethodSignatureVisitor only to scan params, block_params and calls_super
* Add calls_super test
* Drop ruby 2.6. Prism requires ruby >= 2.7
* Remove duplicated documentation comment from prism_ruby.rb
* Add test for wrong argument passed to metaprogramming method
* Rename visit_call_[DSL_METHOD_NAME] to make it distinguishable from visit_[NODE_TYPE]_node
* Method receiver switch of true/false/nil to a case statement
* Extract common part of add_method(by def keyword) and add meta_comment method
* Reuse consecutive comments array when collecting comments
* Simplify DSL call_node handling
* Refactor extracting method visibility arguments
fde99f1be6
