Module: RplLang::Words::General

Includes:
Types
Included in:
Rpl
Defined in:
lib/rpl/words/general.rb

Instance Method Summary collapse

Methods included from Types

new_object

Instance Method Details

#populate_dictionary ⇒ Object 



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# File 'lib/rpl/words/general.rb', line 8

def populate_dictionary
  super

  category = 'General'

  @dictionary.add_word( ['nop'],
                        category,
                        '( -- ) no operation',
                        proc {} )

  @dictionary.add_word( ['help'],
                        category,
                        '( w -- s ) pop help string of the given word',
                        proc do
                          args = stack_extract( [[RplName]] )

                          word = @dictionary.words[ args[0].value ]

                          @stack << Types.new_object( RplString, "\"#{args[0].value}: #{word.nil? ? 'not a core word' : word[:help]}\"" )
                        end )

  @dictionary.add_word( ['quit'],
                        category,
                        '( -- ) Stop and quit interpreter',
                        proc {} )

  @dictionary.add_word( ['version'],
                        category,
                        '( -- n ) Pop the interpreter\'s version number',
                        proc do
                          @stack << Types.new_object( RplString, "\"#{Rpl::VERSION}\"" )
                        end )

  @dictionary.add_word( ['uname'],
                        category,
                        '( -- s ) Pop the interpreter\'s complete indentification string',
                        Types.new_object( RplProgram, '« "Rpl Interpreter version " version + »' ) )
end