anne/lyx_mirror
1
0
Fork 0
mirror of https://git.lyx.org/repos/lyx.git synced 2024-11-22 18:08:10 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fix crash reported by Pavel. Multiply included children would crash

Browse Source 
the destructor since we could, in some cases, end up deleting them
multiple times. So we need to keep a list of the Buffers we need to
delete, kind of like the BufferList.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40205 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Richard Heck 2011-11-17 17:58:22 +00:00
parent 6e15590764
commit a8d12fdd66
1 changed files with 53 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
src/Buffer.cpp
View File

@ -139,6 +139,10 @@ void showPrintError(string const & name)
Alert::error(_("Print document failed"), str);
}
/// a list of Buffers we cloned
set<Buffer *> cloned_buffer_list;
} // namespace anon
@ -395,29 +399,43 @@ Buffer::~Buffer()
return;
}
// loop over children
Impl::BufferPositionMap::iterator it = d->children_positions.begin();
Impl::BufferPositionMap::iterator end = d->children_positions.end();
for (; it != end; ++it) {
Buffer * child = const_cast<Buffer *>(it->first);
if (isClone())
delete child;
// The child buffer might have been closed already.
else if (theBufferList().isLoaded(child))
theBufferList().releaseChild(this, child);
}
if (isClone()) {
// this is in case of recursive includes: we won't try to delete
// ourselves as a child.
cloned_buffer_list.erase(this);
// loop over children
Impl::BufferPositionMap::iterator it = d->children_positions.begin();
Impl::BufferPositionMap::iterator end = d->children_positions.end();
for (; it != end; ++it) {
Buffer * child = const_cast<Buffer *>(it->first);
if (cloned_buffer_list.erase(child))
delete child;
}
// FIXME Do we really need to do this right before we delete d?
// clear references to children in macro tables
d->children_positions.clear();
d->position_to_children.clear();
} else {
// loop over children
Impl::BufferPositionMap::iterator it = d->children_positions.begin();
Impl::BufferPositionMap::iterator end = d->children_positions.end();
for (; it != end; ++it) {
Buffer * child = const_cast<Buffer *>(it->first);
if (theBufferList().isLoaded(child))
theBufferList().releaseChild(this, child);
}
if (!isClean()) {
docstring msg = _("LyX attempted to close a document that had unsaved changes!\n");
msg += emergencyWrite();
Alert::warning(_("Attempting to close changed document!"), msg);
}
// clear references to children in macro tables
d->children_positions.clear();
d->position_to_children.clear();
if (!isClean()) {
docstring msg = _("LyX attempted to close a document that had unsaved changes!\n");
msg += emergencyWrite();
Alert::warning(_("Attempting to close changed document!"), msg);
}
// FIXME Do we really need to do this right before we delete d?
// clear references to children in macro tables
d->children_positions.clear();
d->position_to_children.clear();
if (!isClone()) {
if (!d->temppath.destroyDirectory()) {
Alert::warning(_("Could not remove temporary directory"),
bformat(_("Could not remove the temporary directory %1$s"),
@ -434,9 +452,20 @@ Buffer * Buffer::clone() const
{
BufferMap bufmap;
masterBuffer()->clone(bufmap);
BufferMap::iterator it = bufmap.find(this);
LASSERT(it != bufmap.end(), return 0);
return it->second;
// make sure we got cloned
BufferMap::const_iterator bit = bufmap.find(this);
LASSERT(bit != bufmap.end(), return 0);
Buffer * cloned_buffer = bit->second;
// record the list of cloned buffers in the cloned master
cloned_buffer_list.clear();
BufferMap::iterator it = bufmap.begin();
BufferMap::iterator en = bufmap.end();
for (; it != en; ++it)
cloned_buffer_list.insert(it->second);
return cloned_buffer;
}