class SyntaxTree::CHAR

CHAR irepresents a single codepoint in the script encoding.

?a

In the example above, the CHAR node represents the string literal “a”. You can use control characters with this as well, as in ?C-a.

Attributes

comments [R]

Array[ Comment | EmbDoc ]: the comments attached to this node

value [R]

String: the value of the character literal

Public Class Methods

new (value:, location:)

Source

# File lib/syntax_tree/node.rb, line 255
def initialize(value:, location:)
  @value = value
  @location = location
  @comments = []
end

Public Instance Methods

=== (other)

Source

# File lib/syntax_tree/node.rb, line 296
def ===(other)
  other.is_a?(CHAR) && value === other.value
end

accept (visitor)

Source

# File lib/syntax_tree/node.rb, line 261
def accept(visitor)
  visitor.visit_CHAR(self)
end

child_nodes ()

Source

# File lib/syntax_tree/node.rb, line 265
def child_nodes
  []
end

Also aliased as: deconstruct

copy (value: nil, location: nil)

Source

# File lib/syntax_tree/node.rb, line 269
def copy(value: nil, location: nil)
  node =
    CHAR.new(
      value: value || self.value,
      location: location || self.location
    )

  node.comments.concat(comments.map(&:copy))
  node
end

deconstruct ()

Alias for: child_nodes

deconstruct_keys (_keys)

Source

# File lib/syntax_tree/node.rb, line 282
def deconstruct_keys(_keys)
  { value: value, location: location, comments: comments }
end

format (q)

Source

# File lib/syntax_tree/node.rb, line 286
def format(q)
  if value.length != 2
    q.text(value)
  else
    q.text(q.quote)
    q.text(value[1] == q.quote ? "\\#{q.quote}" : value[1])
    q.text(q.quote)
  end
end