Class: Postscript::Model::Literals::Procedure

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/postscript/model/literals/procedure.rb

Overview

Procedure body: { ... }. Carries the inner token stream as a list of literal/operator nodes. Procedures are not executed by the parser; the renderer descends into them on InvokeProcedure.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(body = []) ⇒ Procedure

Returns a new instance of Procedure.



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# File 'lib/postscript/model/literals/procedure.rb', line 14

def initialize(body = [])
  @body = body.freeze
  freeze
end

Instance Attribute Details

#body ⇒ Object (readonly)

Returns the value of attribute body.



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# File 'lib/postscript/model/literals/procedure.rb', line 12

def body
  @body
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql? 



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# File 'lib/postscript/model/literals/procedure.rb', line 30

def ==(other)
  other.is_a?(Procedure) && other.body == @body
end

#accept(visitor, ctx) ⇒ Object 



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# File 'lib/postscript/model/literals/procedure.rb', line 26

def accept(visitor, ctx)
  visitor.visit_procedure(self, ctx)
end

#each(&block) ⇒ Object 



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# File 'lib/postscript/model/literals/procedure.rb', line 19

def each(&block)
  @body.each(&block)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/postscript/model/literals/procedure.rb', line 24

def empty? = @body.empty?

#hash ⇒ Object 



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# File 'lib/postscript/model/literals/procedure.rb', line 35

def hash
  @body.hash
end

#length ⇒ Object 



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# File 'lib/postscript/model/literals/procedure.rb', line 23

def length = @body.length