pp-macro.h: unsupported usage of appended list?

[Milian Wolff]

Milian Wolff, 07.03.2011:
> Hey all,
> 
> I was finally fed up enough with this warning:
> 
> pp_macro::definition There were items left on destruction: 139
> 
> that I decided to hunt it down. Turns out that pp-macro.h uses two appended
> lists which is apparently not properly supported...
> 
> appendedlist.h:337 in END_APPENDED_LISTS:
> 	void freeAppendedLists() { predecessor ## FreeChain(); } \
> 
> that is only called for the formals, not for the definitions in pp-macro.
> 
> What is the implication besides the nasty warning? This is a global static
> anyways hence more of a "still reachable" instead of a hard memory leak,
> or?
> 
> Anyways, suggestions on improving this for 4.3? I doubt we can change the
> appendedlists.h macro in a binary compatible way?

btw: just adding definitionFreeChain(); to the pp-macro dtor triggers

ASSERT: "temporaryHashpp_macrodefinition().getItem(definitionData).isEmpty()" 
in file /home/milian/projects/kde4/kdevelop/languages/cpp/parser/rpp/pp-
macro.h, line 165

probably because other functions from END_APPENDED_LISTS are not correct in 
pp-macro, e.g. copyListsFrom and similar...

bye

PS: can one use variadic macros somehow to add support for arbitrary number of 
containers in END_APPENDED_LISTS? I've not yet seen how, but considering what 
is possible (think Boost Preprocessor) I wouldn't suprised if someone gets 
that to work somehow...


-- 
Milian Wolff
mail at milianw.de
http://milianw.de
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