Class: Byebug::RestartCommand
Class Method Summary
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Instance Method Summary
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Methods inherited from Command
command_exists?, commands, find, format_subcmd, format_subcmds, help, inherited, #initialize, load_commands, #match, register_setting_get, register_setting_set, register_setting_var, settings, settings_map, terminal_width
Class Method Details
.description ⇒ Object
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# File 'lib/byebug/commands/control.rb', line 57
def description
%{restart|R [args]
Restart the program. This is a re-exec - all byebug state
is lost. If command arguments are passed those are used.}
end
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.names ⇒ Object
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# File 'lib/byebug/commands/control.rb', line 53
def names
%w(restart)
end
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Instance Method Details
#execute ⇒ Object
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# File 'lib/byebug/commands/control.rb', line 10
def execute
return errmsg "Don't know name of debugged program\n" unless
defined? Byebug::PROG_SCRIPT
return errmsg "Ruby program #{Byebug::PROG_SCRIPT} doesn't exist\n" unless
File.exist?(File.expand_path(Byebug::PROG_SCRIPT))
if not defined? Byebug::BYEBUG_SCRIPT
print "Byebug was not called from the outset...\n"
if not File.executable?(Byebug::PROG_SCRIPT)
print "Ruby program #{Byebug::PROG_SCRIPT} not executable... " \
"We'll add a call to Ruby.\n"
cmd = "ruby -rbyebug -I#{$:.join(' -I')} #{Byebug::PROG_SCRIPT}"
else
cmd = Byebug::PROG_SCRIPT
end
else
cmd = "#{Byebug::BYEBUG_SCRIPT} #{Byebug::PROG_SCRIPT}"
end
begin
Dir.chdir(Byebug::INITIAL_DIR)
rescue
print "Failed to change initial directory #{Byebug::INITIAL_DIR}"
end
if @match[1]
cmd += " #{@match[1]}"
elsif not defined? Command.settings[:argv]
return errmsg "Arguments not set. Use 'set args' to set them.\n"
else
require 'shellwords'
cmd += " #{Command.settings[:argv].compact.shelljoin}"
end
print "Re exec'ing:\n\t#{cmd}\n"
exec cmd
rescue Errno::EOPNOTSUPP
print "Restart command is not available at this time.\n"
end
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#regexp ⇒ Object
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# File 'lib/byebug/commands/control.rb', line 6
def regexp
/^\s* (?:restart|R) (?:\s+(.+))? \s*$/x
end
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