class SyntaxTree::IfNode

If represents the first clause in an if chain.

if predicate
end

Attributes

comments[R]

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

consequent[R]

nil | Elsif | Else: the next clause in the chain

predicate[R]

Node: the expression to be checked

statements[R]

Statements: the expressions to be executed

Public Class Methods

new(predicate:, statements:, consequent:, location:) click to toggle source

# File lib/syntax_tree/node.rb, line 6484
def initialize(predicate:, statements:, consequent:, location:)
  @predicate = predicate
  @statements = statements
  @consequent = consequent
  @location = location
  @comments = []
end

Public Instance Methods

===(other) click to toggle source

# File lib/syntax_tree/node.rb, line 6529
def ===(other)
  other.is_a?(IfNode) && predicate === other.predicate &&
    statements === other.statements && consequent === other.consequent
end

accept(visitor) click to toggle source

# File lib/syntax_tree/node.rb, line 6492
def accept(visitor)
  visitor.visit_if(self)
end

child_nodes() click to toggle source

# File lib/syntax_tree/node.rb, line 6496
def child_nodes
  [predicate, statements, consequent]
end

Also aliased as: deconstruct

copy(predicate: nil, statements: nil, consequent: nil, location: nil) click to toggle source

# File lib/syntax_tree/node.rb, line 6500
def copy(predicate: nil, statements: nil, consequent: nil, location: nil)
  node =
    IfNode.new(
      predicate: predicate || self.predicate,
      statements: statements || self.statements,
      consequent: consequent || self.consequent,
      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 6515
def deconstruct_keys(_keys)
  {
    predicate: predicate,
    statements: statements,
    consequent: consequent,
    location: location,
    comments: comments
  }
end

format(q) click to toggle source

# File lib/syntax_tree/node.rb, line 6525
def format(q)
  ConditionalFormatter.new("if", self).format(q)
end

modifier?() click to toggle source

Checks if the node was originally found in the modifier form.

# File lib/syntax_tree/node.rb, line 6535
def modifier?
  predicate.location.start_char > statements.location.start_char
end