module Byebug::Helpers::ThreadHelper

Utilities for thread subcommands

Public Instance Methods

context_from_thread(thnum) click to toggle source
# File lib/byebug/helpers/thread.rb, line 28
def context_from_thread(thnum)
  ctx = Byebug.contexts.find { |c| c.thnum.to_s == thnum }

  err = case
        when ctx.nil? then pr('thread.errors.no_thread')
        when ctx == context then pr('thread.errors.current_thread')
        when ctx.ignored? then pr('thread.errors.ignored', arg: thnum)
        end

  [ctx, err]
end
current_thread?(ctx) click to toggle source
# File lib/byebug/helpers/thread.rb, line 24
def current_thread?(ctx)
  ctx.thread == Thread.current
end
display_context(ctx) click to toggle source
# File lib/byebug/helpers/thread.rb, line 7
def display_context(ctx)
  puts pr('thread.context', thread_arguments(ctx))
end
thread_arguments(ctx) click to toggle source
# File lib/byebug/helpers/thread.rb, line 11
def thread_arguments(ctx)
  {
    status_flag: status_flag(ctx),
    debug_flag: debug_flag(ctx),
    id: ctx.thnum,
    thread: ctx.thread.inspect,
    file_line: location(ctx),
    pid: Process.pid,
    status: ctx.thread.status,
    current: current_thread?(ctx)
  }
end

Private Instance Methods

debug_flag(ctx) click to toggle source
# File lib/byebug/helpers/thread.rb, line 58
def debug_flag(ctx)
  ctx.ignored? ? '!' : ' '
end
location(ctx) click to toggle source

TODO: Check whether it is Byebug.current_context or context

# File lib/byebug/helpers/thread.rb, line 43
def location(ctx)
  return context.location if ctx == Byebug.current_context

  backtrace = ctx.thread.backtrace_locations
  return '' unless backtrace && backtrace[0]

  "#{backtrace[0].path}:#{backtrace[0].lineno}"
end
status_flag(ctx) click to toggle source
# File lib/byebug/helpers/thread.rb, line 52
def status_flag(ctx)
  return '$' if ctx.suspended?

  current_thread?(ctx) ? '+' : ' '
end