Module: Semdiff::CompilerUtils

Included in:
AlgebraCompiler, AliasingCompiler, ConstantsCompiler, IdentityCompiler, StructuresCompiler
Defined in:
lib/semdiff/utils/compiler_utils.rb

Class Method Summary collapse

Class Method Details

.inherit_newline(parent, node) ⇒ Object

NOTE: Uses send to access protected flags, seems preferable over extending Node(s)



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# File 'lib/semdiff/utils/compiler_utils.rb', line 7

def self.inherit_newline(parent, node)
  need_newline = parent.newline?
  if need_newline == node.newline?
    node
  else
    flags = node.send(:flags)
    new_flags = if need_newline
                  flags | Prism::NodeFlags::NEWLINE
                else
                  flags & ~Prism::NodeFlags::NEWLINE
                end
    node.copy(flags: new_flags)
  end
end