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, #end_char, #pretty_print, #start_char, #to_json, #to_mermaid

Constructor Details

#initialize(value:, location:) ⇒ EndContent

Returns a new instance of EndContent.



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

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 391

def comments
  @comments
end

#value ⇒ Object (readonly)

String

the content after the script



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# File 'lib/syntax_tree/node.rb', line 388

def value
  @value
end

Instance Method Details

#===(other) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 442

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

#accept(visitor) ⇒ Object 



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# File 'lib/syntax_tree/node.rb', line 399

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 403

def child_nodes
  []
end

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



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# File 'lib/syntax_tree/node.rb', line 407

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 420

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 424

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