Class: SyntaxTree::HashLiteral

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

Overview

HashLiteral represents a hash literal.

{ key => value }

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lbrace:, assocs:, location:, comments: []) ⇒ HashLiteral

Returns a new instance of HashLiteral.



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# File 'lib/syntax_tree.rb', line 6283

def initialize(lbrace:, assocs:, location:, comments: [])
  @lbrace = lbrace
  @assocs = assocs
  @location = location
  @comments = comments
end

Instance Attribute Details

#assocs ⇒ Object (readonly)

Array[ AssocNew | AssocSplat ]

the optional contents of the hash



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# File 'lib/syntax_tree.rb', line 6275

def assocs
  @assocs
end

#comments ⇒ Object (readonly)

Array[ Comment | EmbDoc ]

the comments attached to this node



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# File 'lib/syntax_tree.rb', line 6281

def comments
  @comments
end

#lbrace ⇒ Object (readonly)

LBrace

the left brace that opens this hash



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# File 'lib/syntax_tree.rb', line 6272

def lbrace
  @lbrace
end

#location ⇒ Object (readonly)

Location

the location of this node



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# File 'lib/syntax_tree.rb', line 6278

def location
  @location
end

Instance Method Details

#child_nodes ⇒ Object 



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# File 'lib/syntax_tree.rb', line 6290

def child_nodes
  [lbrace] + assocs
end

#format(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 6294

def format(q)
  contents = -> do
    q.format(lbrace)

    if assocs.empty?
      q.breakable("")
    else
      q.indent do
        q.breakable
        q.format(HashFormatter.for(self))
      end
      q.breakable
    end

    q.text("}")
  end

  q.parent.is_a?(Assoc) ? contents.call : q.group(&contents)
end

#pretty_print(q) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 6314

def pretty_print(q)
  q.group(2, "(", ")") do
    q.text("hash")

    if assocs.any?
      q.breakable
      q.group(2, "(", ")") { q.seplist(assocs) { |assoc| q.pp(assoc) } }
    end

    q.pp(Comment::List.new(comments))
  end
end

#to_json(*opts) ⇒ Object 



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# File 'lib/syntax_tree.rb', line 6327

def to_json(*opts)
  { type: :hash, assocs: assocs, loc: location, cmts: comments }.to_json(
    *opts
  )
end