Class: Racc::UserAction

Inherits:
Object show all
Defined in:
lib/racc/grammar.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(src, proc) ⇒ UserAction

Returns a new instance of UserAction.



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# File 'lib/racc/grammar.rb', line 748

def initialize(src, proc)
  @source = src
  @proc = proc
end

Instance Attribute Details

#proc ⇒ Object (readonly)

Returns the value of attribute proc.



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# File 'lib/racc/grammar.rb', line 754

def proc
  @proc
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/racc/grammar.rb', line 753

def source
  @source
end

Class Method Details

.empty ⇒ Object 



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# File 'lib/racc/grammar.rb', line 742

def UserAction.empty
  new(nil, nil)
end

.proc(pr = nil, &block) ⇒ Object 



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# File 'lib/racc/grammar.rb', line 735

def UserAction.proc(pr = nil, &block)
  if pr and block
    raise ArgumentError, "both of argument and block given"
  end
  new(nil, pr || block)
end

.source_text(src) ⇒ Object 



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# File 'lib/racc/grammar.rb', line 731

def UserAction.source_text(src)
  new(src, nil)
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/racc/grammar.rb', line 764

def empty?
  not @proc and not @source
end

#name ⇒ Object Also known as: inspect 



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# File 'lib/racc/grammar.rb', line 768

def name
  "{action type=#{@source || @proc || 'nil'}}"
end

#proc? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/racc/grammar.rb', line 760

def proc?
  not @source
end

#source? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/racc/grammar.rb', line 756

def source?
  not @proc
end