Class: Parser::AST::Node

Inherits:
AST::Node
  • Object
show all
Defined in:
lib/parser/ast/node.rb

Overview

Node contains information about a single AST node and its child nodes. It extends the basic AST::Node class provided by gem ast.

Instance Attribute Summary (collapse)

Instance Method Summary (collapse)

Instance Attribute Details

- (Parser::Source::Map) location (readonly) Also known as: loc

Source map for this Node.

Returns:



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# File 'lib/parser/ast/node.rb', line 15

class Node < ::AST::Node
  attr_reader :location

  alias loc location

  ##
  # Assigns various properties to this AST node. Currently only the
  # location can be set.
  #
  # @param [Hash] properties
  # @option properties [Parser::Source::Map] :location Location information
  #  of the node.
  #
  def assign_properties(properties)
    if (location = properties[:location])
      location = location.dup if location.frozen?
      location.node = self
      @location = location
    end
  end
end

Instance Method Details

- (Object) assign_properties(properties)

Assigns various properties to this AST node. Currently only the location can be set.

Parameters:

  • properties (Hash)

Options Hash (properties):



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# File 'lib/parser/ast/node.rb', line 28

def assign_properties(properties)
  if (location = properties[:location])
    location = location.dup if location.frozen?
    location.node = self
    @location = location
  end
end