On Mon, Feb 11, 2008 at 08:51:53AM +0100, Abdelrazak Younes wrote:
> Dominik Böhm wrote:
>> Hello again,
>> bug that makes lyx crash.
>> I was able to reproduce one critical
>> Create a new file, insert one section at the beginning and then a formula
>> with a matrix (it doesn't matter if it's an inline formula or a display
>> one). Then toggle the outline view. If the cursor is still in the formula,
>> lyx should crash immediately. If not, click into the formula to make lyx
>> crash. That makes the outline view pretty unusful for me.
>
> This is fixed in svn. Andre', JMarc, the problem was in
> DocIterator::backwardPos():
>
> void DocIterator::backwardPos()
> {
> //this dog bites his tail
> if (empty()) {
> push_back(CursorSlice(*inset_));
> top().idx() = lastidx();
> top().pit() = lastpit();
> top().pos() = lastpos();
> return;
> }
>
> if (top().at_begin()) {
> pop_back();
> return;
> }
>
> top().backwardPos();
>
> // move into an inset to the left if possible
> Inset * n = 0;
>
> if (inMathed())
> n = (top().cell().begin() + top().pos())->nucleus();
>
> Here 'top().cell().begin() + top().pos()' is out of range for the pointed
> cell. So I guess pos() is not set correctly within a math matrix.
This is the kind of problem 'fixIfBroken()' should catch...
[But then, of course, fixIfBroken() ideally should not be triggered...]
Andre'
