This is the mail archive of the
mailing list for the Archer project.
RE: [python] Pretty-printers and addressprint
> On Mon, Nov 9, 2009 at 11:25 PM, Elmenthaler, Jens
> <firstname.lastname@example.org> wrote:
> > The gdb.Value class has a string() method, you could try this in your
> to_string method:
> > ? ? ? ?return self.val['whybother']['contents'].string()
> That doesn't quite do what I want, but this almost does:
> return '"' + self.val['whybother']['contents'].string() + '"'
return repr (self.val...)
rather than manually supplying the quotes. That will do the right thing even if the contents has things like quotes in it.
> However, consider a modification of the original test:
> - string x = make_string ("this is x");
> + string x = make_string ("this is x\201\202\203\204");
> But this value can't be converted to a python string in ASCII charset:
> the modified printer produces this:
> $4 = Traceback (most recent call last):
> File "../../../src/gdb/testsuite/gdb.python/py-prettyprint.py",
> line 27, in to_string
> return self.val['whybother']['contents'].string()
> UnicodeDecodeError: 'ascii' codec can't decode byte 0x81 in position
> 9: ordinal not in range(128)
> Unfortunately I frequently deal with non-ascii strings, and the
> problem just wouldn't go away :-(
My test (without gdb, I don't have that installed yet) is inconclusive but I think using repr() will cure that too.