ruby-analysis/delfos

# frozen_string_literal: true

require_relative "call_stack/stack"

module Delfos
  module CallStack
    CALL_STACK_MUTEX = Mutex.new
    extend self

    def reset!
      CALL_STACK_MUTEX.synchronize do
        Thread.current[:_delfos__call_stack] = nil
      end
    end

    def stack
      CALL_STACK_MUTEX.synchronize do
        Thread.current[:_delfos__call_stack] ||= Stack.new(on_empty: method(:reset!))
      end
    end

    def push(call_site)
      stack.push(call_site)
      Delfos.call_site_logger.log(call_site, stack.uuid, stack.step_count)
    end

    def pop
      stack.pop
    end

    def height
      stack.height
    end

    def pop_until_top!
      stack.pop_until_top!
    end
  end
end