Class: SyntaxTree::Else

Inherits:
Node
  • Object
show all
Defined in:
lib/syntax_tree/node.rb

Overview

Else represents the end of an if, unless, or case chain.

if variable
else
end

Instance Attribute Summary collapse

Attributes inherited from Node

#location

Instance Method Summary collapse

Methods inherited from Node

#construct_keys, #pretty_print, #to_json

Constructor Details

#initialize(keyword:, statements:, location:) ⇒ Else

Returns a new instance of Else.



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# File 'lib/syntax_tree/node.rb', line 4729

def initialize(keyword:, statements:, location:)
  @keyword = keyword
  @statements = statements
  @location = location
  @comments = []
end

Instance Attribute Details

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree/node.rb', line 4727

def comments
  @comments
end

#keyword ⇒ Object (readonly)

Kw

the else keyword



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# File 'lib/syntax_tree/node.rb', line 4721

def keyword
  @keyword
end

#statements ⇒ Object (readonly)

Statements

the expressions to be executed



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# File 'lib/syntax_tree/node.rb', line 4724

def statements
  @statements
end

Instance Method Details

#===(other) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4780

def ===(other)
  other.is_a?(Else) && keyword === other.keyword &&
    statements === other.statements
end

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4736

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

#child_nodes ⇒ Object Also known as: deconstruct 



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# File 'lib/syntax_tree/node.rb', line 4740

def child_nodes
  [keyword, statements]
end

#copy(keyword: nil, statements: nil, location: nil) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4744

def copy(keyword: nil, statements: nil, location: nil)
  node =
    Else.new(
      keyword: keyword || self.keyword,
      statements: statements || self.statements,
      location: location || self.location
    )

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

#deconstruct_keys(_keys) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4758

def deconstruct_keys(_keys)
  {
    keyword: keyword,
    statements: statements,
    location: location,
    comments: comments
  }
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 4767

def format(q)
  q.group do
    q.format(keyword)

    unless statements.empty?
      q.indent do
        q.breakable_force
        q.format(statements)
      end
    end
  end
end