Nicolae, I am transfering this to you, since you are implementing the
HOFs right now.
** Changed in: zorba
Assignee: Markos Zaharioudakis (markos-za) => Nicolae Brinza (nbrinza)
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https://bugs.launchpad.net/bugs/866839
Title:
optimizer crashes in hof-101
Status in Zorba - The XQuery Processor:
New
Bug description:
Some tests crash on my Windows. I investigated the first one, the
zorba/HigherOrder/hof-101,xq and Visual Studio reports a NULL pointer access in
optimizer.
The callstack is:
zorba_simplestore.dll!zorba::expr::get_expr_kind() Line 170 + 0x11 bytesC++
zorba_simplestore.dll!zorba::ExprIterator::ExprIterator(zorba::expr * e)
Line 81 + 0x8 bytesC++
zorba_simplestore.dll!zorba::PrePostRewriteRule::apply(zorba::RewriterContext &
rCtx, zorba::expr * curExpr, bool & modified) Line 46 + 0xf bytesC++
zorba_simplestore.dll!zorba::RuleMajorDriver::rewrite(zorba::RewriterContext
& rCtx) Line 59 + 0x55 bytesC++
>zorba_simplestore.dll!zorba::DefaultOptimizer::rewrite(zorba::RewriterContext
& rCtx) Line 80 + 0xf bytesC++
zorba_simplestore.dll!zorba::MarkExprs::apply(zorba::RewriterContext & rCtx,
zorba::expr * node, bool & modified) Line 196 + 0x50 bytesC++
zorba_simplestore.dll!zorba::MarkExprs::apply(zorba::RewriterContext & rCtx,
zorba::expr * node, bool & modified) Line 162 + 0x25 bytesC++
zorba_simplestore.dll!zorba::MarkExprs::apply(zorba::RewriterContext & rCtx,
zorba::expr * node, bool & modified) Line 162 + 0x25 bytesC++
zorba_simplestore.dll!zorba::MarkExprs::apply(zorba::RewriterContext & rCtx,
zorba::expr * node, bool & modified) Line 162 + 0x25 bytesC++
zorba_simplestore.dll!zorba::RuleMajorDriver::rewrite(zorba::RewriterContext
& rCtx) Line 59 + 0x55 bytesC++
zorba_simplestore.dll!zorba::DefaultOptimizer::rewrite(zorba::RewriterContext &
rCtx) Line 98C++
zorba_simplestore.dll!zorba::TranslatorImpl::end_visit(const
zorba::InlineFunction & v, void * aState) Line 9397 + 0x50 bytesC++
zorba_simplestore.dll!zorba::InlineFunction::accept(zorba::parsenode_visitor
& v) Line 5639 + 0x1a bytesC++
zorba_simplestore.dll!zorba::FunctionDecl::accept(zorba::parsenode_visitor &
v) Line 871 + 0x35 bytesC++
zorba_simplestore.dll!zorba::VFO_DeclList::accept(zorba::parsenode_visitor &
v) Line 652 + 0x1d3 bytesC++
zorba_simplestore.dll!zorba::Prolog::accept(zorba::parsenode_visitor & v)
Line 252 + 0x35 bytesC++
zorba_simplestore.dll!zorba::MainModule::accept(zorba::parsenode_visitor &
v) Line 135 + 0x35 bytesC++
zorba_simplestore.dll!zorba::translate_aux(zorba::TranslatorImpl *
rootTranslator, const zorba::parsenode & root, zorba::static_context *
rootSctx, short rootSctxId, zorba::ModulesInfo * minfo, const
std::map<zorba::rstring<zorba::rstring_classes::rep<zorba::atomic_int,std::char_traits<char>,std::allocator<char>
>
>,zorba::rstring<zorba::rstring_classes::rep<zorba::atomic_int,std::char_traits<char>,std::allocator<char>
>
>,std::less<zorba::rstring<zorba::rstring_classes::rep<zorba::atomic_int,std::char_traits<char>,std::allocator<char>
> >
>,std::allocator<std::pair<zorba::rstring<zorba::rstring_classes::rep<zorba::atomic_int,std::char_traits<char>,std::allocator<char>
> > const
,zorba::rstring<zorba::rstring_classes::rep<zorba::atomic_int,std::char_traits<char>,std::allocator<char>
> > > > > & modulesStack, bool isLibModule) Line 12192 + 0x18 bytesC++
zorba_simplestore.dll!zorba::translate(const zorba::parsenode & root,
zorba::CompilerCB * ccb) Line 12227 + 0x2f bytesC++
zorba_simplestore.dll!zorba::XQueryCompiler::normalize(zorba::rchandle<zorba::parsenode>
aParsenode) Line 233 + 0x19 bytesC++
zorba_simplestore.dll!zorba::XQueryCompiler::compile(zorba::rchandle<zorba::parsenode>
ast) Line 107 + 0x1e bytesC++
zorba_simplestore.dll!zorba::XQueryCompiler::compile(std::basic_istream<char,std::char_traits<char>
> & aXQuery, const
zorba::rstring<zorba::rstring_classes::rep<zorba::atomic_int,std::char_traits<char>,std::allocator<char>
> > & aFileName) Line 149 + 0x1e bytesC++
zorba_simplestore.dll!zorba::XQueryImpl::doCompile(std::basic_istream<char,std::char_traits<char>
> & aQuery, const Zorba_CompilerHints & aHints, bool fork_sctx) Line 551 +
0x17 bytesC++
zorba_simplestore.dll!zorba::XQueryImpl::compile(const zorba::String &
aQuery, const zorba::SmartPtr<zorba::StaticContext> & aStaticContext, const
Zorba_CompilerHints & aHints) Line 458C++
testdriver.exe!main(int argc, char * * argv) Line 299 + 0x69 bytesC++
testdriver.exe!__tmainCRTStartup() Line 555 + 0x19 bytesC
testdriver.exe!mainCRTStartup() Line 371C
The NULL pointer is received in function PrePostRewriteRule::apply(...) in
parameter curExpr.
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