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Fix PEP8 in lldb_batchmode.py

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This commit is contained in:
Richo Healey 2015-01-27 00:12:06 -08:00
parent 958dea1745
commit f697a06da4
1 changed files with 103 additions and 97 deletions
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34
src/etc/lldb_batchmode.py
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@ -30,12 +30,12 @@ import sys
import threading
import thread
import re
import atexit
import time
# Set this to True for additional output
DEBUG_OUTPUT = False
def print_debug(s):
"Print something if DEBUG_OUTPUT is True"
global DEBUG_OUTPUT
@ -48,10 +48,9 @@ def normalize_whitespace(s):
return re.sub("\s+", " ", s)
# This callback is registered with every breakpoint and makes sure that the frame containing the
# breakpoint location is selected
def breakpoint_callback(frame, bp_loc, dict):
"Called whenever a breakpoint is hit"
"""This callback is registered with every breakpoint and makes sure that the
frame containing the breakpoint location is selected"""
print("Hit breakpoint " + str(bp_loc))
# Select the frame and the thread containing it
@ -70,6 +69,7 @@ new_breakpoints = []
# used to avoid hooking callbacks into breakpoints more than once
registered_breakpoints = set()
def execute_command(command_interpreter, command):
"Executes a single CLI command"
global new_breakpoints
@ -83,29 +83,35 @@ def execute_command(command_interpreter, command):
if res.HasResult():
print(normalize_whitespace(res.GetOutput()), end='\n')
# If the command introduced any breakpoints, make sure to register them with the breakpoint
# If the command introduced any breakpoints, make sure to register
# them with the breakpoint
# callback
while len(new_breakpoints) > 0:
res.Clear()
breakpoint_id = new_breakpoints.pop()
if breakpoint_id in registered_breakpoints:
print_debug("breakpoint with id %s is already registered. Ignoring." % str(breakpoint_id))
print_debug("breakpoint with id %s is already registered. Ignoring." %
str(breakpoint_id))
else:
print_debug("registering breakpoint callback, id = " + str(breakpoint_id))
callback_command = "breakpoint command add -F breakpoint_callback " + str(breakpoint_id)
callback_command = ("breakpoint command add -F breakpoint_callback " +
str(breakpoint_id))
command_interpreter.HandleCommand(callback_command, res)
if res.Succeeded():
print_debug("successfully registered breakpoint callback, id = " + str(breakpoint_id))
print_debug("successfully registered breakpoint callback, id = " +
str(breakpoint_id))
registered_breakpoints.add(breakpoint_id)
else:
print("Error while trying to register breakpoint callback, id = " + str(breakpoint_id))
print("Error while trying to register breakpoint callback, id = " +
str(breakpoint_id))
else:
print(res.GetError())
def start_breakpoint_listener(target):
"Listens for breakpoints being added and adds new ones to the callback registration list"
"""Listens for breakpoints being added and adds new ones to the callback
registration list"""
listener = lldb.SBListener("breakpoint listener")
def listen():
@ -133,7 +139,8 @@ def start_breakpoint_listener(target):
def start_watchdog():
"Starts a watchdog thread that will terminate the process after a certain period of time"
"""Starts a watchdog thread that will terminate the process after a certain
period of time"""
watchdog_start_time = time.clock()
watchdog_max_time = watchdog_start_time + 30
@ -181,8 +188,8 @@ target_error = lldb.SBError()
target = debugger.CreateTarget(target_path, None, None, True, target_error)
if not target:
print("Could not create debugging target '" + target_path + "': " + str(target_error) +
". Aborting.", file=sys.stderr)
print("Could not create debugging target '" + target_path + "': " +
str(target_error) + ". Aborting.", file=sys.stderr)
sys.exit(1)
@ -210,4 +217,3 @@ except IOError as e:
sys.exit(1)
finally:
script_file.close()