Class: Atomy::Grammar::AST::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/atomy/grammar.rb,
lib/atomy/grammar.rb,
lib/atomy/node/meta.rb,
lib/atomy/node/equality.rb,
lib/atomy/node/constructable.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#line ⇒ Object

Returns the value of attribute line.



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# File 'lib/atomy/grammar.rb', line 8

def line
  @line
end

Class Method Details

.basename ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 4

def basename
  @basename ||= name.split("::").last.to_sym
end

Instance Method Details

#accept(x) ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 35

def accept(x)
  name = :"visit_#{self.class.basename.downcase}"

  if x.respond_to?(name)
    x.send(name, self)
  else
    x.visit(self)
  end
end

#attributes ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 25

def attributes
  names = []

  each_attribute do |name, _|
    names << name
  end

  names
end

#children ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 15

def children
  names = []

  each_child do |name, _|
    names << name
  end

  names
end

#construct(gen) ⇒ Object 



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# File 'lib/atomy/node/constructable.rb', line 5

def construct(gen)
  raise "no #construct for #{self.class}"
end

#each_attribute ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 12

def each_attribute
end

#each_child ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 9

def each_child
end

#through ⇒ Object

Recreate the node, calling the block for sub-nodes and using its return value in place of the node



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# File 'lib/atomy/node/meta.rb', line 47

def through
  dup
end