Class: Skeem::SkmCompoundDatum

Inherits:
SkmElement
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/skeem/skm_compound_datum.rb

Overview

Abstract class.

Direct Known Subclasses

SkmVector

Instance Attribute Summary collapse

Attributes inherited from SkmElement

#position

Instance Method Summary collapse

Methods inherited from SkmElement

#boolean?, #bound!, #callable?, #char?, #complex?, #done!, #inspect, #integer?, #list?, #null?, #number?, #pair?, #procedure?, #rational?, #real?, #skm_eq?, #string?, #symbol?, #vector?

Constructor Details

#initialize(theMembers) ⇒ SkmCompoundDatum

Returns a new instance of SkmCompoundDatum.



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# File 'lib/skeem/skm_compound_datum.rb', line 17

def initialize(theMembers)
  super(nil)
  @members = theMembers.nil? ? [] : theMembers
end

Instance Attribute Details

#members ⇒ Object Also known as: children, to_a

Returns the value of attribute members.



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# File 'lib/skeem/skm_compound_datum.rb', line 11

def members
  @members
end

Instance Method Details

#==(other) ⇒ Object Also known as: skm_equal? 



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# File 'lib/skeem/skm_compound_datum.rb', line 22

def ==(other)
  return true if equal?(other)

  case other
    when SkmCompoundDatum
      self.class == other.class && members == other.members
    when Array
      members == other
  end
end

#accept(aVisitor) ⇒ Object

Part of the 'visitee' role in Visitor design pattern.

Parameters:



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# File 'lib/skeem/skm_compound_datum.rb', line 64

def accept(aVisitor)
  aVisitor.visit_compound_datum(self)
end

#evaluate(aRuntime) ⇒ Object 



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# File 'lib/skeem/skm_compound_datum.rb', line 41

def evaluate(aRuntime)
  members_eval = members.map { |elem| elem.evaluate(aRuntime) }
  self.class.new(members_eval)
end

#quasiquote(aRuntime) ⇒ Object

Return this object un-evaluated. Reminder: As terminals are atomic, there is no need to launch a visitor.

Parameters:



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# File 'lib/skeem/skm_compound_datum.rb', line 49

def quasiquote(aRuntime)
  quasi_members = members.map { |elem| elem.quasiquote(aRuntime) }
  self.class.new(quasi_members)
end

#quoted! ⇒ Object 



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# File 'lib/skeem/skm_compound_datum.rb', line 54

def quoted!
  members.each(&:quoted!)
end

#unquoted! ⇒ Object 



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# File 'lib/skeem/skm_compound_datum.rb', line 58

def unquoted!
  members.each(&:unquoted!)
end

#verbatim? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/skeem/skm_compound_datum.rb', line 36

def verbatim?
  found = members.find_index { |elem| !elem.verbatim? }
  found ? false : true
end