Re: Pretty-printed MI vars with children get "{...}" instead of the wanted string

[Noam Yorav-Raphael <noamraph at gmail dot com>]

Where is the code of std::vector pretty-printer? I haven't found it in
the gdb sources.
Perhaps it may be changed, so printing the to_string() result in MI
would be possible?

2009/9/9 Vladimir Prus <vladimir@codesourcery.com>:
> On Wednesday 09 September 2009 Noam Yorav-Raphael wrote:
>
>> Keeping things stable is, of course, a sensible thing to do.
>>
>> But I still have a question. When I do a simple "print" of an object
>> with a pretty-printer, I get something like:
>>
>> $1 = x=0 = {
>> Â s = {a = 0, b = 0},
>> Â x = 0
>> }
>>
>> That is, both the to_string() result and the children are printed. So
>> why should the std::vector to_string() return a large string with all
>> the elements in the vector, if whenever it's printed all the elements
>> are printed again after it?
>>
>> What I'm saying is this: It seems to me that for both CLI and MI, if a
>> pretty-printer provides the children() method, its to_string() methods
>> should return a short abstract of the object's content, not the full
>> content. And if that is the case, there's no reason to hide the
>> to_string() result in MI.
>>
>> What do you think?
>
> I do not know why in the vector pretty printer produces such a long
> string. Note that it does not duplicates contents, just uses too may
> words to say what the size and capacity is.
>
> - Volodya
>