Richard Wolff's changes:
pdb.py Uses the Breakpoint class so one can enable/disable breakpoints,
set temporary ones, set ignore counts, and conditions. The last
can be set using the 'b' command
b 243 , i>4 ( b 243,i>4 if you are space adverse)
or with the condition command so conditions can be changed
for a particular breakpoint.
Breakpoints are numbered from 1 on, and if a breakpoint is deleted,
the number is not reused. All the breakpoint handling commands
refer to breakpoints by number. To be consistent, the clear command
does so as well, which is the one change from the original pdb that
is not transparent. Thus only the breakpoint command 'b' uses a
line number or file:line or method. You can also give
b whrandom.random and the method will be searched for along
sys.path. This is implemented with an 'egrep' command and so
is not as portable as it might be. [ see lineinfo() and
lineinfoCmd ]
Breakpoints cannot be set at a line that is blank or a '#' comment
or starts a triply quoted comment. This is because I would like
this behavior in my DDD interface and think it reasonable for
pdb as well. It can be removed readily, however as it is all
incorporated in the routine checkline(). If one attempts to
set a breakpoint at a 'def' line, the breakpoint is automatically
moved to the first executable line after the 'def'. This too is
in checkline().
do_EOF() returns zero so typing an end-of-file character as a command
does nothing. 'quit' does the quitting.
The routine defaultFile() is present so as to preserve the current
pdb behavior and yet allow me to override it in pydb.
There's some code in lineinfo() that is probably mainly useful only
for pydb and if you prefer, much up to the comment "Best first guess"
could be removed.
Keith Davidson provided the code for handling $HOME/.pdbrc and
./.pdbrc, and it has been incorporated. He also provided the
alias handling routine. I modified it a bit so it could live
nicely in precmd(). He and I have been in contact; he has the
new pdb (and pydb) with his code incorporated. He also asked
about the possibility of allowing multiple commands on one
line, such as step;step or s;s or with an alias such as
alias ct tbreak %1 ; continue
and since it was so easy, that's in place as well. It's a simple
'split the line at the first ";"' operation and puts the second
half in the command queue (self.cmdqueue). This has the unfortunate
effect of destroying a line like print "i: "+i+"; j: "+j
but either there's a simple way to deal with this, or my attitude
will remain that pdb is a debugger, not a compiler/parser/etc.
An alias like alias 4s s;;s;
will work because the adjacent and trailing ";" act like a <cr> which
repeats the last command. Of course, either s;s;s;s or s;;; would be
a bit more sensible.
The help commands have been updated.
1 file changed