Class: Rley::Notation::GroupingNode

Inherits:

SequenceNode

• Object
• ASTNode
• SequenceNode
• Rley::Notation::GroupingNode

Defined in:

lib/rley/notation/grouping_node.rb

Overview

A syntax node representing an expression bracketed by parentheses.

Instance Attribute Summary

Attributes inherited from SequenceNode

#constraints, #subnodes

Attributes inherited from ASTNode

#annotation, #position, #repetition

Instance Method Summary

• #accept(visitor) ⇒ Object

  Part of the 'visitee' role in Visitor design pattern.

• #initialize(aPosition, sequence, theRepetition = nil) ⇒ GroupingNode constructor

  A new instance of GroupingNode.

Methods inherited from SequenceNode

#size

Methods inherited from ASTNode

#done!

Constructor Details

#initialize(aPosition, sequence, theRepetition = nil) ⇒ GroupingNode

Returns a new instance of GroupingNode.

Parameters:

• aPosition (Rley::Lexical::Position) —

  Start position.

• sequence (Array<ASTNode>) —

  sequence of AST nodes

• theRepetition (Symbol) (defaults to: nil) —

  indicates how many times the symbol can be repeated

# File 'lib/rley/notation/grouping_node.rb', line 12

def initialize(aPosition, sequence, theRepetition = nil)
  super(aPosition, sequence, theRepetition)
end

Instance Method Details

#accept(visitor) ⇒ Object

Part of the 'visitee' role in Visitor design pattern.

Parameters:

• visitor (Notation::ASTVisitor) —

  the visitor

# File 'lib/rley/notation/grouping_node.rb', line 18

def accept(visitor)
  visitor.visit_grouping_node(self)
end