Class: SyntaxTree::EndContent

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

Overview

EndContent represents the use of __END__ syntax, which allows individual scripts to keep content after the main ruby code that can be read through the DATA constant.

puts DATA.read

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(value:, location:) ⇒ EndContent 



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# File 'lib/syntax_tree/node.rb', line 383

def initialize(value:, location:)
  @value = value
  @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 381

def comments
  @comments
end

#value ⇒ Object (readonly)

String

the content after the script



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# File 'lib/syntax_tree/node.rb', line 378

def value
  @value
end

Instance Method Details

#===(other) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 432

def ===(other)
  other.is_a?(EndContent) && value === other.value
end

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 389

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

#child_nodes ⇒ Object Also known as: deconstruct 



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# File 'lib/syntax_tree/node.rb', line 393

def child_nodes
  []
end

#copy(value: nil, location: nil) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 397

def copy(value: nil, location: nil)
  node =
    EndContent.new(
      value: value || self.value,
      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 410

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

#format(q) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 414

def format(q)
  q.text("__END__")
  q.breakable_force

  first = true
  value.each_line(chomp: true) do |line|
    if first
      first = false
    else
      q.breakable_return
    end

    q.text(line)
  end

  q.breakable_return if value.end_with?("\n")
end