class SyntaxTree::YARV::VM

def find_catch_entry(frame, type)
  iseq = frame.iseq
  iseq.catch_table.find do |catch_entry|
    next unless catch_entry.is_a?(type)
    begin_pc = iseq.insns.index(catch_entry.begin_label)
    end_pc = iseq.insns.index(catch_entry.end_label)
    (begin_pc...end_pc).cover?(frame.pc)
  end
end