Class: Atomy::Grammar::AST::Prefix

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

Instance Attribute Summary collapse

Attributes inherited from Node

#line

Instance Method Summary collapse

Methods inherited from Node

#accept, #attributes, basename, #children

Constructor Details

#initialize(node, operator) ⇒ Prefix

Returns a new instance of Prefix.



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# File 'lib/atomy/grammar.rb', line 123

def initialize(node, operator)
  @node = node
  @operator = operator
end

Instance Attribute Details

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/atomy/grammar.rb', line 127

def node
  @node
end

#operator ⇒ Object (readonly)

Returns the value of attribute operator.



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# File 'lib/atomy/grammar.rb', line 128

def operator
  @operator
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/atomy/node/equality.rb', line 56

def ==(other)
  super || other.is_a?(self.class) && \
    @operator == other.operator && \
    @node == other.node
end

#construct(gen) ⇒ Object 



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# File 'lib/atomy/node/constructable.rb', line 88

def construct(gen)
  push_node(gen, :Prefix)
  @node.construct(gen)
  gen.push_literal(@operator)
  gen.send(:new, 2)
end

#each_attribute {|:operator, @operator| ... } ⇒ Object

Yields:



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# File 'lib/atomy/node/meta.rb', line 117

def each_attribute
  yield :operator, @operator
end

#each_child {|:node, @node| ... } ⇒ Object

Yields:



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# File 'lib/atomy/node/meta.rb', line 121

def each_child
  yield :node, @node
end

#through ⇒ Object 



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# File 'lib/atomy/node/meta.rb', line 125

def through
  self.class.new(yield(@node), @operator)
end

#to_s ⇒ Object 



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# File 'lib/atomy/node/pretty.rb', line 54

def to_s
  "#@operator#@node"
end