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#9064: accept number of frames for "up" and "down" commands in pdb.

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This commit is contained in:
Georg Brandl 2010-06-27 10:37:48 +00:00
parent 952867aa30
commit eb1f4aa232
4 changed files with 42 additions and 20 deletions
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38
Lib/pdb.py
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@ -618,26 +618,44 @@ class Pdb(bdb.Bdb, cmd.Cmd):
do_w = do_where
do_bt = do_where
def _select_frame(self, number):
assert 0 <= number < len(self.stack)
self.curindex = number
self.curframe = self.stack[self.curindex][0]
self.curframe_locals = self.curframe.f_locals
self.print_stack_entry(self.stack[self.curindex])
self.lineno = None
def do_up(self, arg):
if self.curindex == 0:
print('*** Oldest frame', file=self.stdout)
return
try:
count = int(arg or 1)
except ValueError:
print('*** Invalid frame count (%s)' % arg, file=self.stdout)
return
if count < 0:
newframe = 0
else:
self.curindex = self.curindex - 1
self.curframe = self.stack[self.curindex][0]
self.curframe_locals = self.curframe.f_locals
self.print_stack_entry(self.stack[self.curindex])
self.lineno = None
newframe = max(0, self.curindex - count)
self._select_frame(newframe)
do_u = do_up
def do_down(self, arg):
if self.curindex + 1 == len(self.stack):
print('*** Newest frame', file=self.stdout)
return
try:
count = int(arg or 1)
except ValueError:
print('*** Invalid frame count (%s)' % arg, file=self.stdout)
return
if count < 0:
newframe = len(self.stack) - 1
else:
self.curindex = self.curindex + 1
self.curframe = self.stack[self.curindex][0]
self.curframe_locals = self.curframe.f_locals
self.print_stack_entry(self.stack[self.curindex])
self.lineno = None
newframe = min(len(self.stack) - 1, self.curindex + count)
self._select_frame(newframe)
do_d = do_down
def do_until(self, arg):