class SyntaxTree::VarField

VarField represents a variable that is being assigned a value. As such, it is always a child of an assignment type node.

variable = value

In the example above, the VarField node represents the variable token.

Attributes

comments[R]

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

value[R]

nil | :nil | Const | CVar | GVar | Ident | IVar: the target of this node

Public Class Methods

new(value:, location:) click to toggle source

# File lib/syntax_tree/node.rb, line 11529
def initialize(value:, location:)
  @value = value
  @location = location
  @comments = []
end

Public Instance Methods

===(other) click to toggle source

# File lib/syntax_tree/node.rb, line 11568
def ===(other)
  other.is_a?(VarField) && value === other.value
end

accept(visitor) click to toggle source

# File lib/syntax_tree/node.rb, line 11535
def accept(visitor)
  visitor.visit_var_field(self)
end

child_nodes() click to toggle source

# File lib/syntax_tree/node.rb, line 11539
def child_nodes
  value == :nil ? [] : [value]
end

Also aliased as: deconstruct

copy(value: nil, location: nil) click to toggle source

# File lib/syntax_tree/node.rb, line 11543
def copy(value: nil, location: nil)
  node =
    VarField.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) click to toggle source

# File lib/syntax_tree/node.rb, line 11556
def deconstruct_keys(_keys)
  { value: value, location: location, comments: comments }
end

format(q) click to toggle source

# File lib/syntax_tree/node.rb, line 11560
def format(q)
  if value == :nil
    q.text("nil")
  elsif value
    q.format(value)
  end
end