Class: Yadriggy::Program

Inherits:
ASTnode show all
Includes:
AstHelper
Defined in:
lib/yadriggy/ast.rb

Overview

Program.

Instance Attribute Summary collapse

Attributes inherited from ASTnode

#parent, #usertype

Class Method Summary collapse

Instance Method Summary collapse

Methods included from AstHelper

#has_tag?, #to_node, #to_nodes

Methods inherited from ASTnode

#add_child, #add_children, #const_value, #const_value_in_class, #get_context_class, #get_receiver_object, #is_proc?, #pretty_print, #root, #source_location, #source_location_string, #value, #value_in_class

Constructor Details

#initialize(sexp) ⇒ Program

Returns a new instance of Program.



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# File 'lib/yadriggy/ast.rb', line 1714

def initialize(sexp)
  @elements = Exprs.make(sexp[1])
  add_child(@elements)
end

Instance Attribute Details

#elements ⇒ Exprs|ASTnode (readonly)

Returns the program elements.

Returns:



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# File 'lib/yadriggy/ast.rb', line 1710

def elements
  @elements
end

Class Method Details

.tag ⇒ Object 



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# File 'lib/yadriggy/ast.rb', line 1712

def self.tag() :program end

Instance Method Details

#accept(evaluator) ⇒ void

This method returns an undefined value.

A method for Visitor pattern.

Parameters:

  • evaluator (Eval) —

    the visitor of Visitor pattern.



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# File 'lib/yadriggy/ast.rb', line 1722

def accept(evaluator)
  evaluator.program(self)
end