def parse_program_args():
"""Initialize command line options, and parse them.
Return the user's inferior to execute as a list."""
global GS_FRED_USAGE, g_source_script, gs_resume_dir_path
global gb_show_child_output
parser = OptionParser(usage=GS_FRED_USAGE, version=GS_FRED_VERSION)
parser.disable_interspersed_args()
# Note that '-h' and '--help' are supported automatically.
default_port = os.getenv("DMTCP_PORT") or 7779
parser.add_option(
"-p",
"--port",
dest="dmtcp_port",
default=default_port,
help="Use PORT for DMTCP port number. (default %default)",
metavar="PORT")
parser.add_option("-x",
"--source",
dest="source_script",
help="Execute batch file FILE",
metavar="FILE")
parser.add_option("--enable-debug",
dest="debug",
default=False,
action="store_true",
help="Enable FReD debugging messages.")
parser.add_option("--show-child-output",
dest="show_child_output",
default=False,
action="store_true",
help="Show all output from child processes.")
parser.add_option("--fred-demo",
dest="fred_demo",
default=False,
action="store_true",
help="Enable FReD demo mode.")
parser.add_option("--resume",
dest="resume_dir",
help="Resume session from directory DIR containing "
"FReD support files: checkpoint images, "
"synchronization logs, etc.",
metavar="DIR")
(options, l_args) = parser.parse_args()
# 'l_args' is the 'gdb ARGS ./a.out' list
if len(l_args) == 0 and options.resume_dir == None:
parser.print_help()
fredutil.fred_quit(1)
if options.source_script != None:
# Source script executed from main_io_loop().
g_source_script = options.source_script
fredio.GB_FRED_DEMO = options.fred_demo
gb_show_child_output = options.show_child_output
if options.resume_dir != None:
# Resume session from given directory.
gs_resume_dir_path = options.resume_dir
setup_environment_variables(str(options.dmtcp_port), options.debug)
return l_args
def main():
"""Program execution starts here."""
global gs_resume_dir_path
setup_critical_files()
# Don't do anything if we can't find DMTCP.
verify_critical_files_present()
fred_setup()
# Main input/output loop
# skip the prompt waiting if we are resuming:
b_skip_prompt = gs_resume_dir_path != None
main_io_loop(b_skip_prompt)
# If we get here, quit.
fredutil.fred_quit(0)
def main():
"""Program execution starts here."""
global gs_resume_dir_path
setup_critical_files()
# Don't do anything if we can't find DMTCP.
verify_critical_files_present()
fred_setup()
# Main input/output loop
# skip the prompt waiting if we are resuming:
b_skip_prompt = gs_resume_dir_path != None
main_io_loop(b_skip_prompt)
# If we get here, quit.
fredutil.fred_quit(0)
def handle_fred_command(s_command):
"""Performs handling of 'special' (non-debugger) commands."""
global g_debugger, GS_FRED_COMMAND_PREFIX
s_command = s_command.replace(GS_FRED_COMMAND_PREFIX, "")
(s_command_name, sep, s_command_args) = s_command.partition(' ')
n_count = fredutil.to_int(s_command_args, 1)
if is_quit_command(s_command_name):
fredutil.fred_quit(0)
elif s_command_name == "undo":
undo.undo(g_debugger, n_count)
elif s_command_name in ["reverse-next", "rn"]:
reverse_next.reverse_next(g_debugger, n_count)
elif s_command_name in ["reverse-step", "rs"]:
reverse_step.reverse_step(g_debugger, n_count)
elif s_command_name in ["reverse-finish", "rf"]:
reverse_finish.reverse_finish(g_debugger, n_count)
elif s_command_name in ["reverse-continue", "rc"]:
reverse_continue.reverse_continue(g_debugger)
elif s_command_name in ["checkpoint", "ckpt"]:
g_debugger.do_checkpoint()
elif s_command_name == "restart":
# n_count defaults to 1 if no argument given (not appropriate here)
n_index = fredutil.to_int(s_command_args, 0)
g_debugger.do_restart(n_index, b_clear_history=True)
elif s_command_name in ["reverse-watch", "rw"]:
if g_debugger.personality_name() == "gdb":
# Multithreaded reverse-watch only supported for gdb.
reverse_watch.reverse_watch_for_mt(g_debugger, s_command_args)
else:
reverse_watch.reverse_watch(g_debugger, s_command_args)
elif s_command_name == "source":
source_from_file(s_command_args)
elif s_command_name == "list":
g_debugger.print_branches()
elif s_command_name == "branch":
g_debugger.do_branch(s_command_args)
elif s_command_name == "switch":
g_debugger.switch_to_branch(s_command_args)
elif s_command_name == "help":
fred_command_help()
elif s_command_name == "history":
print g_debugger.history()
elif s_command_name == "debug":
pdb.set_trace()
else:
fredutil.fred_error("Unknown FReD command '%s'" % s_command_name)
def parse_program_args():
"""Initialize command line options, and parse them.
Return the user's inferior to execute as a list."""
global GS_FRED_USAGE, g_source_script, gs_resume_dir_path
parser = OptionParser(usage=GS_FRED_USAGE, version=GS_FRED_VERSION)
parser.disable_interspersed_args()
# Note that '-h' and '--help' are supported automatically.
default_port = os.getenv("DMTCP_PORT") or 7779
parser.add_option(
"-p",
"--port",
dest="dmtcp_port",
default=default_port,
help="Use PORT for DMTCP port number. (default %default)",
metavar="PORT",
)
parser.add_option("-x", "--source", dest="source_script", help="Execute batch file FILE", metavar="FILE")
parser.add_option(
"--enable-debug", dest="debug", default=False, action="store_true", help="Enable FReD debugging messages."
)
parser.add_option(
"--fred-demo", dest="fred_demo", default=False, action="store_true", help="Enable FReD demo mode."
)
parser.add_option(
"--resume",
dest="resume_dir",
help="Resume session from directory DIR containing "
"FReD support files: checkpoint images, "
"synchronization logs, etc.",
metavar="DIR",
)
(options, l_args) = parser.parse_args()
# 'l_args' is the 'gdb ARGS ./a.out' list
if len(l_args) == 0 and options.resume_dir == None:
parser.print_help()
fredutil.fred_quit(1)
if options.source_script != None:
# Source script executed from main_io_loop().
g_source_script = options.source_script
if options.fred_demo:
fredio.GB_FRED_DEMO = True
if options.resume_dir != None:
# Resume session from given directory.
gs_resume_dir_path = options.resume_dir
setup_environment_variables(str(options.dmtcp_port), options.debug)
return l_args
def handle_fred_command(s_command):
"""Performs handling of 'special' (non-debugger) commands."""
global g_debugger, GS_FRED_COMMAND_PREFIX
s_command = s_command.replace(GS_FRED_COMMAND_PREFIX, "")
(s_command_name, sep, s_command_args) = s_command.partition(" ")
n_count = fredutil.to_int(s_command_args, 1)
if is_quit_command(s_command_name):
fredutil.fred_quit(0)
elif s_command_name == "undo":
undo.undo(g_debugger, n_count)
elif s_command_name in ["reverse-next", "rn"]:
# iF THIS DOESN'T WORK FOR YOU, CHANGE IT BACK TO reverse_next().
reverse_next.NEW_reverse_next(g_debugger, n_count)
elif s_command_name in ["reverse-step", "rs"]:
# iF THIS DOESN'T WORK FOR YOU, CHANGE IT BACK TO reverse_step().
reverse_step.NEW_reverse_step(g_debugger, n_count)
elif s_command_name in ["reverse-finish", "rf"]:
# iF THIS DOESN'T WORK FOR YOU, CHANGE IT BACK TO reverse_step().
reverse_finish.NEW_reverse_finish(g_debugger, n_count)
elif s_command_name in ["reverse-continue", "rc"]:
reverse_continue.reverse_continue(g_debugger)
elif s_command_name in ["checkpoint", "ckpt"]:
g_debugger.do_checkpoint()
elif s_command_name == "restart":
# n_count defaults to 1 if no argument given (not appropriate here)
n_index = fredutil.to_int(s_command_args, 0)
g_debugger.do_restart(n_index, b_clear_history=True)
elif s_command_name in ["reverse-watch", "rw"]:
reverse_watch.reverse_watch_with_log_support(g_debugger, s_command_args)
# reverse_watch.reverse_watch(g_debugger, s_command_args)
elif s_command_name == "source":
source_from_file(s_command_args)
elif s_command_name == "list":
g_debugger.print_branches()
elif s_command_name == "branch":
g_debugger.do_branch(s_command_args)
elif s_command_name == "switch":
g_debugger.switch_to_branch(s_command_args)
elif s_command_name == "help":
fred_command_help()
elif s_command_name == "history":
print g_debugger.history()
elif s_command_name == "debug":
pdb.set_trace()
else:
fredutil.fred_error("Unknown FReD command '%s'" % s_command_name)