Class: CodeTools::AST::CollectSplat

Inherits:
Node
  • Object
show all
Defined in:
lib/rubinius/ast/sends.rb

Instance Attribute Summary collapse

Attributes inherited from Node

#line

Instance Method Summary collapse

Methods inherited from Node

#ascii_graph, #attributes, #children, #defined, match_arguments?, match_send?, #new_block_generator, #new_generator, #node_name, #or_bytecode, #pos, #set_child, #transform, transform, transform_comment, transform_kind, transform_kind=, transform_name, #value_defined, #visit, #walk

Constructor Details

#initialize(line, *parts) ⇒ CollectSplat

Returns a new instance of CollectSplat.



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# File 'lib/rubinius/ast/sends.rb', line 377

def initialize(line, *parts)
  @line = line
  @splat = parts.shift
  @last = parts.pop
  @array = parts
end

Instance Attribute Details

#array ⇒ Object

Returns the value of attribute array.



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# File 'lib/rubinius/ast/sends.rb', line 375

def array
  @array
end

#last ⇒ Object

Returns the value of attribute last.



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# File 'lib/rubinius/ast/sends.rb', line 375

def last
  @last
end

#splat ⇒ Object

Returns the value of attribute splat.



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# File 'lib/rubinius/ast/sends.rb', line 375

def splat
  @splat
end

Instance Method Details

#bytecode(g) ⇒ Object 



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# File 'lib/rubinius/ast/sends.rb', line 384

def bytecode(g)
  @splat.bytecode(g)

  @array.each do |x|
    x.bytecode(g)
    g.cast_array
    g.send :+, 1
  end

  return unless @last

  not_hash = g.new_label
  done = g.new_label

  @last.bytecode(g)

  g.dup
  g.push_cpath_top
  g.find_const :Hash
  g.swap
  g.kind_of
  g.gif not_hash

  g.make_array 1
  g.goto done

  not_hash.set!
  g.cast_array

  done.set!
  g.send :+, 1
end

#to_sexp ⇒ Object 



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# File 'lib/rubinius/ast/sends.rb', line 417

def to_sexp
  [:collect_splat] + @parts.map { |x| x.to_sexp }
end