Class: YARD::Handlers::Ruby::Legacy::ClassHandler

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

Overview

Handles class declarations

Constant Summary

Constants included from CodeObjects

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

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

EXPR_ARG, EXPR_BEG, EXPR_CLASS, EXPR_DOT, EXPR_END, EXPR_FNAME, EXPR_MID, NEWLINE_TOKEN, TkReading2Token, TkSymbol2Token

Instance Method Summary (collapse)

Methods included from StructHandlerMethods

#add_reader_tags, #add_writer_tags, #create_attributes, #create_class, #create_member_method?, #create_reader, #create_writer, #member_tag_for_member, #return_type_from_tag

Methods inherited from Base

handles?, #parse_block

Methods inherited from Base

clear_subclasses, #ensure_loaded!, handlers, handles, handles?, #initialize, namespace_only, namespace_only?, #parse_block, process, #push_state, #register, subclasses

Constructor Details

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

Instance Method Details

- (Object) process

Main processing callback 



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# File 'lib/yard/handlers/ruby/legacy/class_handler.rb', line 6

process do
  if statement.tokens.to_s =~ /^class\s+(#{NAMESPACEMATCH})\s*(?:<\s*(.+)|\Z)/m
    classname = $1
    superclass_def = $2
    superclass = parse_superclass($2)
    if superclass == "Struct"
      is_a_struct = true
      superclass = struct_superclass_name(superclass_def)
      create_struct_superclass(superclass, superclass_def)
    end
    undocsuper = $2 && superclass.nil?

    klass = register ClassObject.new(namespace, classname) do |o|
      o.superclass = superclass if superclass
      o.superclass.type = :class if o.superclass.is_a?(Proxy)
    end
    parse_struct_subclass(klass, superclass_def) if is_a_struct
    parse_block(:namespace => klass)
     
    if undocsuper
      raise YARD::Parser::UndocumentableError, 'superclass (class was added without superclass)'
    end
  elsif statement.tokens.to_s =~ /^class\s*<<\s*([\w\:]+)/
    classname = $1
    proxy = Proxy.new(namespace, classname)
    
    # Allow constants to reference class names
    if ConstantObject === proxy
      if proxy.value =~ /\A#{NAMESPACEMATCH}\Z/
        proxy = Proxy.new(namespace, proxy.value)
      else
        raise YARD::Parser::UndocumentableError, "constant class reference '#{classname}'"
      end
    end
    
    if classname == "self"
      parse_block(:namespace => namespace, :scope => :class)
    elsif classname[0,1] =~ /[A-Z]/ 
      register ClassObject.new(namespace, classname) if Proxy === proxy
      parse_block(:namespace => proxy, :scope => :class)
    else
      raise YARD::Parser::UndocumentableError, "class '#{classname}'"
    end
  else
    raise YARD::Parser::UndocumentableError, "class: #{statement.tokens}"
  end
end