Class: ORB::AST::AbstractNode

Inherits:
Object
  • Object
show all
Defined in:
lib/orb/ast/abstract_node.rb

Constant Summary collapse

EMPTY_ARRAY = 
[].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*_args) ⇒ AbstractNode

Returns a new instance of AbstractNode.



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# File 'lib/orb/ast/abstract_node.rb', line 11

def initialize(*_args)
  @children = []
end

Instance Attribute Details

#attributes ⇒ Object

Returns the value of attribute attributes.



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# File 'lib/orb/ast/abstract_node.rb', line 6

def attributes
  @attributes
end

#children ⇒ Object

Returns the value of attribute children.



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# File 'lib/orb/ast/abstract_node.rb', line 6

def children
  @children
end

#errors ⇒ Object 



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# File 'lib/orb/ast/abstract_node.rb', line 15

def errors
  @errors || EMPTY_ARRAY
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/orb/ast/abstract_node.rb', line 31

def ==(other)
  self.class == other.class &&
    @children == other.children
end

#add_child(node) ⇒ Object 



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# File 'lib/orb/ast/abstract_node.rb', line 19

def add_child(node)
  @children << node
end

#add_error(error) ⇒ Object 



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# File 'lib/orb/ast/abstract_node.rb', line 23

def add_error(error)
  (@errors ||= []) << error
end

#render(_context) ⇒ Object 



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# File 'lib/orb/ast/abstract_node.rb', line 27

def render(_context)
  raise "Not implemented - you must implement render in your subclass!"
end