Class: YARD::Handlers::Ruby::Legacy::YieldHandler

Inherits:
Base
  • Object
show all
Defined in:
lib/yard/handlers/ruby/legacy/yield_handler.rb

Overview

Handles ‘yield’ calls

Constant Summary

Constants included from Parser::Ruby::Legacy::RubyToken

Parser::Ruby::Legacy::RubyToken::EXPR_ARG, Parser::Ruby::Legacy::RubyToken::EXPR_BEG, Parser::Ruby::Legacy::RubyToken::EXPR_CLASS, Parser::Ruby::Legacy::RubyToken::EXPR_DOT, Parser::Ruby::Legacy::RubyToken::EXPR_END, Parser::Ruby::Legacy::RubyToken::EXPR_FNAME, Parser::Ruby::Legacy::RubyToken::EXPR_MID, Parser::Ruby::Legacy::RubyToken::NEWLINE_TOKEN, Parser::Ruby::Legacy::RubyToken::TkReading2Token, Parser::Ruby::Legacy::RubyToken::TkSymbol2Token

Constants included from CodeObjects

CodeObjects::BUILTIN_ALL, CodeObjects::BUILTIN_CLASSES, CodeObjects::BUILTIN_EXCEPTIONS, CodeObjects::BUILTIN_EXCEPTIONS_HASH, CodeObjects::BUILTIN_MODULES, CodeObjects::CONSTANTMATCH, CodeObjects::CSEP, CodeObjects::CSEPQ, CodeObjects::ISEP, CodeObjects::ISEPQ, CodeObjects::METHODMATCH, CodeObjects::METHODNAMEMATCH, CodeObjects::NAMESPACEMATCH, CodeObjects::NSEP, CodeObjects::NSEPQ

Instance Method Summary collapse

Constructor Details

This class inherits a constructor from YARD::Handlers::Base

Instance Method Details

#process ⇒ void

This method returns an undefined value.

Main processing callback



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# File 'lib/yard/handlers/ruby/legacy/yield_handler.rb', line 5

process do
  return unless owner.is_a?(MethodObject) # Only methods yield
  return if owner.has_tag? :yield         # Don't override yield tags
  return if owner.has_tag? :yieldparam    # Same thing.

  yieldtag = YARD::Tags::Tag.new(:yield, "", [])
  tokval_list(statement.tokens[2..-1], Token).each do |item|
    item = item.inspect unless item.is_a?(String)
    if item == "self"
      yieldtag.types << '_self'
      owner.add_tag YARD::Tags::Tag.new(:yieldparam,
        "the object that the method was called on", owner.namespace.path, '_self')
    elsif item == "super"
      yieldtag.types << '_super'
      owner.add_tag YARD::Tags::Tag.new(:yieldparam,
        "the result of the method from the superclass", nil, '_super')
    else
      yieldtag.types << item
    end
  end

  owner.add_tag(yieldtag) unless yieldtag.types.empty?
end