Class: GlooLang::Verbs::List

Inherits:
Core::Verb show all
Defined in:
lib/gloo_lang/verbs/list.rb

Constant Summary collapse

KEYWORD = 
'list'.freeze
KEYWORD_SHORT = 
'.'.freeze
TARGET_MISSING_ERR = 
'Object does not exist: '.freeze

Constants inherited from Core::Baseo

Core::Baseo::NOT_IMPLEMENTED_ERR

Instance Attribute Summary

Attributes inherited from Core::Verb

#params, #tokens

Attributes inherited from Core::Baseo

#name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Core::Verb

#display_value, help, inherited, #initialize, #type_display

Methods inherited from Core::Baseo

#initialize, #type_display

Constructor Details

This class inherits a constructor from GlooLang::Core::Verb

Class Method Details

.keyword ⇒ Object

Get the Verb’s keyword.



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# File 'lib/gloo_lang/verbs/list.rb', line 41

def self.keyword
  return KEYWORD
end

.keyword_shortcut ⇒ Object

Get the Verb’s keyword shortcut.



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# File 'lib/gloo_lang/verbs/list.rb', line 48

def self.keyword_shortcut
  return KEYWORD_SHORT
end

Instance Method Details

#determine_target ⇒ Object

Determine the target object for the show command.



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# File 'lib/gloo_lang/verbs/list.rb', line 32

def determine_target
  return @engine.heap.context if @tokens.token_count == 1

  return GlooLang::Core::Pn.new( @engine, @tokens.second )
end

#run ⇒ Object

Run the verb.



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# File 'lib/gloo_lang/verbs/list.rb', line 18

def run
  levels = determine_levels
  target = self.determine_target
  obj = target.resolve
  if obj
    show_target( obj, levels )
  else
    @engine.err "#{TARGET_MISSING_ERR} #{target}"
  end
end