Class: AjLisp::Context

Inherits:
Object
  • Object
show all
Defined in:
lib/ajlisp/context.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent = nil) ⇒ Context

Returns a new instance of Context.



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# File 'lib/ajlisp/context.rb', line 5

def initialize(parent = nil)
	@parent = parent
	@values = Hash.new
end

Instance Method Details

#getValue(name) ⇒ Object 



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# File 'lib/ajlisp/context.rb', line 10

def getValue(name)
	if @values.has_key?(name)
		return @values[name]
	end
	
	if @parent != nil
		return @parent.getValue(name)
	end
	
	return nil
end

#setValue(name, value) ⇒ Object 



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# File 'lib/ajlisp/context.rb', line 22

def setValue(name, value)
	@values[name] = value
end