Class: Ruleby::Core::HeadAtom

Inherits:
Atom
  • Object
show all
Defined in:
lib/core/atoms.rb

Overview

This kind of atom is used to match a class type. For example:

'For each Person as :p'

It is only used at the start of a pattern.

Instance Attribute Summary

Attributes inherited from Atom

#deftemplate, #method, #proc, #tag

Instance Method Summary collapse

Methods inherited from Atom

#to_s

Constructor Details

#initialize(tag, deftemplate) ⇒ HeadAtom 



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# File 'lib/core/atoms.rb', line 85

def initialize(tag, deftemplate)   
  if deftemplate.mode == :equals
    super tag, :class, deftemplate do |t| t == deftemplate.clazz end
  elsif deftemplate.mode == :inherits
    super tag, :class, deftemplate do |t| t === deftemplate.clazz end
  end
end

Instance Method Details

#shareable?(atom) ⇒ Boolean 



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# File 'lib/core/atoms.rb', line 93

def shareable?(atom)
  return HeadAtom === atom && @deftemplate == atom.deftemplate
end