mirror of https://github.com/python/cpython.git
317 lines
7.3 KiB
Python
317 lines
7.3 KiB
Python
# wdb.py -- a window-based Python debugger
|
|
|
|
# XXX To do:
|
|
# - don't fall out of bottom frame
|
|
|
|
|
|
import stdwin
|
|
from stdwinevents import *
|
|
import sys
|
|
import basewin
|
|
import bdb
|
|
import repr
|
|
|
|
WIDTH = 40
|
|
HEIGHT = 8
|
|
|
|
WdbDone = 'wdb.WdbDone' # Exception to continue execution
|
|
|
|
|
|
class Wdb(bdb.Bdb, basewin.BaseWindow): # Window debugger
|
|
|
|
def __init__(self):
|
|
self.sourcewindows = {}
|
|
self.framewindows = {}
|
|
bdb.Bdb.__init__(self)
|
|
width = WIDTH*stdwin.textwidth('0')
|
|
height = HEIGHT*stdwin.lineheight()
|
|
stdwin.setdefwinsize(width, height)
|
|
basewin.BaseWindow.__init__(self, '--Stack--')
|
|
self.closed = 0
|
|
|
|
def reset(self):
|
|
if self.closed: raise RuntimeError, 'already closed'
|
|
bdb.Bdb.reset(self)
|
|
self.forget()
|
|
|
|
def forget(self):
|
|
self.lineno = None
|
|
self.stack = []
|
|
self.curindex = 0
|
|
self.curframe = None
|
|
for fn in self.sourcewindows.keys():
|
|
self.sourcewindows[fn].resetlineno()
|
|
|
|
def setup(self, f, t):
|
|
self.forget()
|
|
self.stack, self.curindex = self.get_stack(f, t)
|
|
self.curframe = self.stack[self.curindex][0]
|
|
# Build a list of current frames
|
|
cfl = []
|
|
for f, i in self.stack: cfl.append(f)
|
|
# Remove deactivated frame windows
|
|
for name in self.framewindows.keys():
|
|
fw = self.framewindows[name]
|
|
if fw.frame not in cfl: fw.close()
|
|
else: fw.refreshframe()
|
|
# Refresh the stack window
|
|
self.refreshstack()
|
|
|
|
# Override Bdb methods (except user_call, for now)
|
|
|
|
def user_line(self, frame):
|
|
# This function is called when we stop or break at this line
|
|
self.interaction(frame, None)
|
|
|
|
def user_return(self, frame, return_value):
|
|
# This function is called when a return trap is set here
|
|
frame.f_locals['__return__'] = return_value
|
|
self.settitle('--Return--')
|
|
self.interaction(frame, None)
|
|
if not self.closed:
|
|
self.settitle('--Stack--')
|
|
|
|
def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
|
|
# This function is called if an exception occurs,
|
|
# but only if we are to stop at or just below this level
|
|
frame.f_locals['__exception__'] = exc_type, exc_value
|
|
if type(exc_type) == type(''):
|
|
exc_type_name = exc_type
|
|
else: exc_type_name = exc_type.__name__
|
|
self.settitle(exc_type_name + ': ' + repr.repr(exc_value))
|
|
stdwin.fleep()
|
|
self.interaction(frame, exc_traceback)
|
|
if not self.closed:
|
|
self.settitle('--Stack--')
|
|
|
|
# Change the title
|
|
|
|
def settitle(self, title):
|
|
self.savetitle = self.win.gettitle()
|
|
self.win.settitle(title)
|
|
|
|
# General interaction function
|
|
|
|
def interaction(self, frame, traceback):
|
|
import mainloop
|
|
self.popup()
|
|
self.setup(frame, traceback)
|
|
try:
|
|
mainloop.mainloop()
|
|
except WdbDone:
|
|
pass
|
|
self.forget()
|
|
|
|
# Functions whose name is do_X for some character X
|
|
# are callable directly from the keyboard.
|
|
|
|
def do_up(self):
|
|
if self.curindex == 0:
|
|
stdwin.fleep()
|
|
else:
|
|
self.curindex = self.curindex - 1
|
|
self.curframe = self.stack[self.curindex][0]
|
|
self.refreshstack()
|
|
do_u = do_up
|
|
|
|
def do_down(self):
|
|
if self.curindex + 1 == len(self.stack):
|
|
stdwin.fleep()
|
|
else:
|
|
self.curindex = self.curindex + 1
|
|
self.curframe = self.stack[self.curindex][0]
|
|
self.refreshstack()
|
|
do_d = do_down
|
|
|
|
def do_step(self):
|
|
self.set_step()
|
|
raise WdbDone
|
|
do_s = do_step
|
|
|
|
def do_next(self):
|
|
self.set_next(self.curframe)
|
|
raise WdbDone
|
|
do_n = do_next
|
|
|
|
def do_return(self):
|
|
self.set_return(self.curframe)
|
|
raise WdbDone
|
|
do_r = do_return
|
|
|
|
def do_continue(self):
|
|
self.set_continue()
|
|
raise WdbDone
|
|
do_c = do_cont = do_continue
|
|
|
|
def do_quit(self):
|
|
self.close()
|
|
raise WdbDone
|
|
do_q = do_quit
|
|
|
|
def do_list(self):
|
|
fn = self.curframe.f_code.co_filename
|
|
if not self.sourcewindows.has_key(fn):
|
|
import wdbsrcwin
|
|
try:
|
|
self.sourcewindows[fn] = wdbsrcwin. \
|
|
DebuggerSourceWindow(self, fn)
|
|
except IOError:
|
|
stdwin.fleep()
|
|
return
|
|
w = self.sourcewindows[fn]
|
|
lineno = self.stack[self.curindex][1]
|
|
w.setlineno(lineno)
|
|
w.popup()
|
|
do_l = do_list
|
|
|
|
def do_frame(self):
|
|
name = 'locals' + `self.curframe`[16:-1]
|
|
if self.framewindows.has_key(name):
|
|
self.framewindows[name].popup()
|
|
else:
|
|
import wdbframewin
|
|
self.framewindows[name] = \
|
|
wdbframewin.FrameWindow(self, \
|
|
self.curframe, \
|
|
self.curframe.f_locals, name)
|
|
do_f = do_frame
|
|
|
|
def do_globalframe(self):
|
|
name = 'globals' + `self.curframe`[16:-1]
|
|
if self.framewindows.has_key(name):
|
|
self.framewindows[name].popup()
|
|
else:
|
|
import wdbframewin
|
|
self.framewindows[name] = \
|
|
wdbframewin.FrameWindow(self, \
|
|
self.curframe, \
|
|
self.curframe.f_globals, name)
|
|
do_g = do_globalframe
|
|
|
|
# Link between the debugger and the window
|
|
|
|
def refreshstack(self):
|
|
height = stdwin.lineheight() * (1 + len(self.stack))
|
|
self.win.setdocsize((0, height))
|
|
self.refreshall() # XXX be more subtle later
|
|
# Also pass the information on to the source windows
|
|
filename = self.curframe.f_code.co_filename
|
|
lineno = self.curframe.f_lineno
|
|
for fn in self.sourcewindows.keys():
|
|
w = self.sourcewindows[fn]
|
|
if fn == filename:
|
|
w.setlineno(lineno)
|
|
else:
|
|
w.resetlineno()
|
|
|
|
# The remaining methods override BaseWindow methods
|
|
|
|
def close(self):
|
|
if not self.closed:
|
|
basewin.BaseWindow.close(self)
|
|
self.closed = 1
|
|
for key in self.sourcewindows.keys():
|
|
self.sourcewindows[key].close()
|
|
for key in self.framewindows.keys():
|
|
self.framewindows[key].close()
|
|
self.set_quit()
|
|
|
|
def char(self, detail):
|
|
try:
|
|
func = eval('self.do_' + detail)
|
|
except (AttributeError, SyntaxError):
|
|
stdwin.fleep()
|
|
return
|
|
func()
|
|
|
|
def command(self, detail):
|
|
if detail == WC_UP:
|
|
self.do_up()
|
|
elif detail == WC_DOWN:
|
|
self.do_down()
|
|
|
|
def mouse_down(self, detail):
|
|
(h, v), clicks, button, mask = detail
|
|
i = v / stdwin.lineheight()
|
|
if 0 <= i < len(self.stack):
|
|
if i != self.curindex:
|
|
self.curindex = i
|
|
self.curframe = self.stack[self.curindex][0]
|
|
self.refreshstack()
|
|
elif clicks == 2:
|
|
self.do_frame()
|
|
else:
|
|
stdwin.fleep()
|
|
|
|
def draw(self, detail):
|
|
import linecache, string
|
|
d = self.win.begindrawing()
|
|
try:
|
|
h, v = 0, 0
|
|
for f, lineno in self.stack:
|
|
fn = f.f_code.co_filename
|
|
if f is self.curframe:
|
|
s = '> '
|
|
else:
|
|
s = ' '
|
|
s = s + fn + '(' + `lineno` + ')'
|
|
s = s + f.f_code.co_name
|
|
if f.f_locals.has_key('__args__'):
|
|
args = f.f_locals['__args__']
|
|
if args is not None:
|
|
s = s + repr.repr(args)
|
|
if f.f_locals.has_key('__return__'):
|
|
rv = f.f_locals['__return__']
|
|
s = s + '->'
|
|
s = s + repr.repr(rv)
|
|
line = linecache.getline(fn, lineno)
|
|
if line: s = s + ': ' + string.strip(line)
|
|
d.text((h, v), s)
|
|
v = v + d.lineheight()
|
|
finally:
|
|
d.close()
|
|
|
|
|
|
# Simplified interface
|
|
|
|
def run(statement, globals=None, locals=None):
|
|
x = Wdb()
|
|
try: x.run(statement, globals, locals)
|
|
finally: x.close()
|
|
|
|
def runeval(expression, globals=None, locals=None):
|
|
x = Wdb()
|
|
try: return x.runeval(expression, globals, locals)
|
|
finally: x.close()
|
|
|
|
def runctx(statement, globals, locals):
|
|
# B/W compatibility
|
|
run(statement, globals, locals)
|
|
|
|
def runcall(*args):
|
|
x = Wdb()
|
|
try: return apply(x.runcall, args)
|
|
finally: x.close()
|
|
|
|
def set_trace():
|
|
Wdb().set_trace()
|
|
|
|
# Post-Mortem interface
|
|
|
|
def post_mortem(traceback):
|
|
x = Wdb()
|
|
x.reset()
|
|
x.interaction(None, traceback)
|
|
|
|
def pm():
|
|
import sys
|
|
post_mortem(sys.last_traceback)
|
|
|
|
|
|
# Main program for testing
|
|
|
|
TESTCMD = 'import x; x.main()'
|
|
|
|
def test():
|
|
run(TESTCMD)
|