Class: Nydp::Symbol

Inherits:
Object
  • Object
show all
Defined in:
lib/nydp/symbol.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name) ⇒ Symbol

Returns a new instance of Symbol.



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# File 'lib/nydp/symbol.rb', line 4

def initialize name
  @name = name.to_sym
end

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/nydp/symbol.rb', line 2

def name
  @name
end

Class Method Details

.find(name, ns) ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 28

def self.find name, ns
  ns[name.to_sym]
end

.mk(name, ns) ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 16

def self.mk name, ns
  name = name.to_sym
  return Nydp.NIL if name == :nil
  return Nydp.T   if name == :t
  sym = ns[name]
  unless sym
    sym = new(name)
    ns[name] = sym
  end
  sym
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 36

def == other
  other.is_a?(Nydp::Symbol) && (self.name == other.name)
end

#assign(value, context = nil) ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 40

def assign value, context=nil
  @value = value
end

#inspect ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 33

def inspect   ; to_s       ; end

#is?(nm) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nydp/symbol.rb', line 8

def is? nm
  self.name == nm.to_sym
end

#nydp_type ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 32

def nydp_type ; :symbol    ; end

#to_s ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 34

def to_s      ; name.to_s  ; end

#value(context = nil) ⇒ Object 



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# File 'lib/nydp/symbol.rb', line 12

def value context=nil
  @value || Nydp.NIL
end