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Re: [Opencxx-users] [OpenC++ Core] core dump while walking through valid code
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From: Grzegorz J. <ja...@ac...> - 2005-02-01 15:09:41
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Hi,
Altac Edena wrote:
> Hi,
> FYI, the 'elaboration-test-glue' test program core
> dump when fed with the following code :
>
> class A {
> void f() {
> int x(*this);
> }
> };
>
> * I've reduced the test case as much as possible, but
> it's originating from STL stuff.
> * The occ-core source is taken from CVS HEAD, today.
> * The backtrace is :
Thanks for your great input, it helped a lot. This was a bug in
translation of unary operator (here dereferencing). I have fixed it,
added your file to unit tests and comitted, should work now.
BR
Grzegorz
>
> #0 0x0049d1bd in Opencxx::Ptree::Cdr() (this=0x0) at
> occ-core/parser/Ptree.h:113
> #1 0x00473d81 in
> Opencxx::PtreeUtil::SubstSublist(Opencxx::Ptree*,
> Opencxx::Ptree*, Opencxx::Ptree*) (newsub=0xa05c3b0,
> oldsub=0xa05a790, lst=0x0) at
> occ-core/parser/PtreeUtil.cc:613
> #2 0x00473dac in
> Opencxx::PtreeUtil::SubstSublist(Opencxx::Ptree*,
> Opencxx::Ptree*, Opencxx::Ptree*) (newsub=0xa05c3b0,
> oldsub=0xa05a790, lst=0xa05a7c0) at
> occ-core/parser/PtreeUtil.cc:613
> #3 0x0040dd62 in
> Opencxx::Walker::TranslateDeclarators(Opencxx::Ptree*,
> bool) (this=0x22e730, decls=0xa05a810, record=true) at
> occ-core/analyzer/Walker.cc:493
> #4 0x0040d861 in
> Opencxx::Walker::TranslateDeclarators(Opencxx::Ptree*)
> (this=0x22e730, decls=0xa05a810) at
> occ-core/analyzer/Walker.cc:453
> #5 0x0040d513 in
> Opencxx::Walker::TranslateDeclaration(Opencxx::Ptree*)
> (this=0x22e730, def=0xa05a820) at
> occ-core/analyzer/Walker.cc:429
> #6 0x0046fce2 in
> Opencxx::PtreeDeclaration::Translate(Opencxx::AbstractTranslatingWalker*)
> (this=0xa05a820, w=0x22e734) at
> occ-core/parser/PtreeDeclaration.cc:59
> #7 0x0040b6f4 in
> Opencxx::Walker::Translate(Opencxx::Ptree*)
> (this=0x22e730, p=0xa05a820) at
> occ-core/analyzer/Walker.cc:178
> #8 0x00406061 in
> Opencxx::ClassWalker::TranslateBlock(Opencxx::Ptree*)
> (this=0x22e730, block=0xa05a880) at
> occ-core/analyzer/ClassWalker.cc:627
> #9 0x0046fc6b in
> Opencxx::PtreeBlock::Translate(Opencxx::AbstractTranslatingWalker*)
> (this=0xa05a880, w=0x22e734) at
> occ-core/parser/PtreeBlock.cc:53
> #10 0x0040b6f4 in
> Opencxx::Walker::Translate(Opencxx::Ptree*)
> (this=0x22e730, p=0xa05a880) at
> occ-core/analyzer/Walker.cc:178
> #11 0x00405c9e in
> Opencxx::ClassWalker::TranslateFunctionBody(Opencxx::Ptree*)
> (this=0x22e730, body=0xa05a880) at
> occ-core/analyzer/ClassWalker.cc:599
> #12 0x004240c4 in
> Opencxx::ClassBodyWalker::TranslateFunctionImplementation(Opencxx::Ptree*)
> (this=0x22eaa0, impl=0xa05a8d0) at
> occ-core/analyzer/ClassBodyWalker.cc:220
> #13 0x0040d3df in
> Opencxx::Walker::TranslateDeclaration(Opencxx::Ptree*)
> (this=0x22eaa0, def=0xa05a8d0) at
> occ-core/analyzer/Walker.cc:418
> #14 0x0046fce2 in
> Opencxx::PtreeDeclaration::Translate(Opencxx::AbstractTranslatingWalker*)
> (this=0xa05a8d0, w=0x22eaa4) at
> occ-core/parser/PtreeDeclaration.cc:59
> #15 0x0040b6f4 in
> Opencxx::Walker::Translate(Opencxx::Ptree*)
> (this=0x22eaa0, p=0xa05a8d0) at
> occ-core/analyzer/Walker.cc:178
> #16 0x00422984 in
> Opencxx::ClassBodyWalker::TranslateClassBody(Opencxx::Ptree*,
> Opencxx::Ptree*, Opencxx::Class*) (this=0x22eaa0,
> block=0xa05a920, metaobject=0xa05a9b0)
> at occ-core/analyzer/ClassBodyWalker.cc:51
> #17 0x0040235d in
> Opencxx::ClassWalker::TranslateClassSpec(Opencxx::Ptree*,
> Opencxx::Ptree*, Opencxx::Ptree*, Opencxx::Class*)
> (this=0x22ed80, spec=0xa05a568, userkey=0x0,
> class_def=0xa05a568,
> metaobject=0xa05a9b0) at
> occ-core/analyzer/ClassWalker.cc:174
> #18 0x00410116 in
> Opencxx::Walker::TranslateClassSpec(Opencxx::Ptree*)
> (this=0x22ed80, spec=0xa05a568) at
> occ-core/analyzer/Walker.cc:799
> #19 0x0047741e in
> Opencxx::PtreeClassSpec::Translate(Opencxx::AbstractTranslatingWalker*)
> (this=0xa05a568, w=0x22ed84) at
> occ-core/parser/PtreeClassSpec.cc:73
> #20 0x0040b6f4 in
> Opencxx::Walker::Translate(Opencxx::Ptree*)
> (this=0x22ed80, p=0xa05a568) at
> occ-core/analyzer/Walker.cc:178
> #21 0x00412d7d in
> Opencxx::Walker::TranslateTypespecifier(Opencxx::Ptree*)
> (this=0x22ed80, tspec=0xa05a568) at
> occ-core/analyzer/Walker.cc:1108
> #22 0x0040d4aa in
> Opencxx::Walker::TranslateDeclaration(Opencxx::Ptree*)
> (this=0x22ed80, def=0xa05a970) at
> occ-core/analyzer/Walker.cc:425
> #23 0x0046fce2 in
> Opencxx::PtreeDeclaration::Translate(Opencxx::AbstractTranslatingWalker*)
> (this=0xa05a970, w=0x22ed84) at
> occ-core/parser/PtreeDeclaration.cc:59
> #24 0x0040b6f4 in
> Opencxx::Walker::Translate(Opencxx::Ptree*)
> (this=0x22ed80, p=0xa05a970) at
> occ-core/analyzer/Walker.cc:178
>
> I'm not familiar enough with OpenC++ to investigate
> further.
> Best regards,
> Emmanuel
>
>
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