[cfe-dev] class template methods
Richard Smith
richard at metafoo.co.uk
Fri Jun 5 15:49:53 PDT 2015
On Wed, Jun 3, 2015 at 9:42 AM, Peter Stirling <peter at pjstirling.plus.com>
wrote:
> I've done a bit of debugging to find the source of the crash:
>
> Sema::LazilyCreateBuiltin() calls Sema::PushOnScopeChains() passing
> Sema.TUScope, and PushOnScopeChains() doesn't test for nullptr.
>
> It appears that TUScope is always null (or at least by the time of the
> first check for error-free instantiation it is null). Is this expected?
>
Yes, the TUScope only lives until the end of the TU. If you want to do more
template instantiation after parsing, you can call
Preprocessor::enableIncrementalProcessing() to let Clang know that the end
of the main source file isn't the end of the TU.
> On 01/06/15 11:45, Peter Stirling wrote:
>
> Trying this again...
>
> Using this code:
>
> if(inInstantiation) {
> std::cerr << wrapGreen("testing ", colour) << declToString(d) << "(";
> bool seen = false;
> for(auto param : d->params()) {
> if(seen) {
> std::cerr << ", ";
> }
> seen = true;
> std::cerr << wrapGreen(typeToString(param->getType()), colour);
> }
> std::cerr << ")\n";
> clang::Sema::SFINAETrap trap(sema);
> sema.InstantiateFunctionDefinition(d->getParent()->getLocation(), d,
> true, true);
> if(trap.hasErrorOccurred()) {
> std::cerr << wrapRed("test failed\n", colour);
> return false;
> }
> else {
> std::cerr << wrapGreen("test passed\n", colour);
> }
> }
>
> I was hoping to find out if there were instantiation errors with methods.
> However on my test TU it crashes with the backtrace in my previous email.
> In a simpler TU it doesn't crash, but it also doesn't work! Here is the
> last page of its output:
>
> testing std::__1::pair<int const, int const>::swap(std::__1::pair<int
> const, int const>&)
> In file included from
> /home/peter/Programming/llvm/extra-dir/quaff/test.cc:1:
> In file included from
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/utility:157:
> In file included from
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/__tuple:16:
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/type_traits:3592:38:
> error: no matching function for call to 'swap'
>
> _NOEXCEPT_(_NOEXCEPT_(swap(*_VSTD::declval<_ForwardIterator1>(),
> ^~~~
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/__config:362:34:
> note: expanded from macro '_NOEXCEPT_'
> # define _NOEXCEPT_(x) noexcept(x)
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/__config:362:34:
> note: expanded from macro '_NOEXCEPT_'
> # define _NOEXCEPT_(x) noexcept(x)
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/utility:391:16:
> note: in instantiation of exception specification for 'iter_swap<const int
> *, const int *>' requested here
> _VSTD::iter_swap(&first, &__p.first);
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/utility:253:30:
> note: in instantiation of member function 'std::__1::pair<const int, const
> int>::swap' requested here
> struct _LIBCPP_TYPE_VIS_ONLY pair
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/type_traits:3573:5:
> note: candidate template ignored: disabled by 'enable_if' [with _Tp = const
> int]
> is_move_constructible<_Tp>::value &&
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/type_traits:3595:5:
> error: no matching function for call to 'swap'
> swap(*__a, *__b);
> ^~~~
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/utility:391:16:
> note: in instantiation of function template specialization
> 'std::__1::iter_swap<const int *, const int *>' requested here
> _VSTD::iter_swap(&first, &__p.first);
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/utility:253:30:
> note: in instantiation of member function 'std::__1::pair<const int, const
> int>::swap' requested here
> struct _LIBCPP_TYPE_VIS_ONLY pair
> ^
> /home/peter/Programming/llvm/ninja/bin/../include/c++/v1/type_traits:3573:5:
> note: candidate template ignored: disabled by 'enable_if' [with _Tp = const
> int]
> is_move_constructible<_Tp>::value &&
> ^
> test passed
> testing std::__1::pair<int const, int const>::~pair()
> test passed
> testing std::__1::pair<int const, int const>::~pair()
> test passed
> Handled 517 functions
> Handled 120 functions that didn't require a wrapper
> Skipped 264 functions due to unsafe types
> Excluded 2 functions, due to function or type name blacklist
> Skipped 4 deleted functions
> Handled 429 instantiated template methods
> sending output to /home/peter/Programming/llvm/extra-dir/quaff/test.cc.json
> Saw 281 type(s) and 364 qual-type(s)
> 6 errors generated.
> Error while processing
> /home/peter/Programming/llvm/extra-dir/quaff/test.cc.
>
> So, the SFINAETrap is returning false from hasErrorOccurred() even though,
> clearly, errors are happening. How am I supposed to use it?
>
> On 09/05/15 22:00, Peter Stirling wrote:
>
> I forgot to mention that I'm also spamming each test as it's performed,
> the last few lines of which are:
>
> std::__1::__tuple_like<std::__1::pair<TagLib::String, TagLib::StringList>
> const>::operator =
> std::__1::pair<unsigned long, unsigned long>::operator =
> std::__1::pair<unsigned long, unsigned long>::operator =
> std::__1::pair<unsigned long, unsigned long>::swap
> std::__1::pair<TagLib::String const, TagLib::StringList>::operator =
>
> So it appears to be crashing on the first instantiation of
> std::pair::operator= with a const type
>
> On 09/05/15 21:36, Peter Stirling wrote:
>
> On 04/05/15 19:00, Reid Kleckner wrote:
>
> On Sat, May 2, 2015 at 2:06 PM, Peter Stirling <peter at pjstirling.plus.com
> > wrote:
>
>> On 28/04/15 23:31, Reid Kleckner wrote:
>>
>> On Wed, Apr 15, 2015 at 10:25 PM, Peter Stirling <
>> peter at pjstirling.plus.com> wrote:
>>>
>>> Visitor::RequestCompleteType() calls Sema::RequireCompleteType()
>>> (which IMO has the wrong name, it returns false on what I would consider,
>>> from the name, success).
>>>
>>
>> Much has been made about the sense of boolean return values in Clang.
>> It isn't consistent or sane, but such is life. =/
>>
>>
>>> So, I don't construct the specializations for methods directly in my
>>> code, I assume that some of the instantiation is performed by
>>> RequireCompleteType(), but surely if I checked for SFINAE at that level
>>> then I would lose EVERY methods for std::pair<int const, int const> and not
>>> just the ones that involve mutation?
>>>
>>
>> I think RequireCompleteType won't instantiate all the member functions,
>> like operator=, but you can look it up, and ask for an instantiation of it.
>>
>>
>> Perhaps I misunderstand what you mean by 'instantiate' but this doesn't
>> seem to be the case. When I walk the CXXRecordDecl for 'std::pair<int
>> const, int const>' there ARE declarations for the methods that require
>> mutation. My tool scans the AST for functions and methods and outputs a
>> file containing functions that invoke the ones it finds, which is then
>> compiled into a shared library, so what I want is protection against
>> functions that can't be called.
>>
>> How do I go about asking for an instantiation of a method on its own?
>>
>
> Right, instantiating the class will create decls of all the member
> functions, but the bodies will be empty because C++ essentially requires
> that they be parsed lazily. I'd have to lookup the detailed mechanics, but
> you should be able to look at the method decl, figure out that it needs
> instantiation, instantiate it, and put the error trap around that.
>
>
> I added the following test:
>
> if(inInstantiation) {
> clang::Sema::SFINAETrap trap(sema);
> sema.InstantiateFunctionDefinition(d->getParent()->getLocation(), d,
> true, true);
> if(trap.hasErrorOccurred()) {
> return false;
> }
> }
>
> Now I'm hitting a seg-fault (null pointer) deep inside clang:
>
> Program received signal SIGSEGV, Segmentation fault.
> clang::Scope::getEntity (this=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/Sema/Scope.h:310
> 310 DeclContext *getEntity() const { return Entity; }
> (gdb) bt
> #0 clang::Scope::getEntity (this=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/Sema/Scope.h:310
> #1 0x00007ffff535cdaf in clang::Sema::PushOnScopeChains (this=0x6b6e00,
> D=0x38392c8, S=0x0, AddToContext=true) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaDecl.cpp:1190
> #2 0x00007ffff535ef9a in clang::Sema::LazilyCreateBuiltin (this=0x6b6e00,
> II=0x69f638, ID=370, S=0x0, ForRedeclaration=false, Loc=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaDecl.cpp:1778
> #3 0x00007ffff572247e in LookupBuiltin (S=..., R=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaLookup.cpp:544
> #4 0x00007ffff5722240 in clang::Sema::LookupName (this=0x6b6e00, R=...,
> S=0x0, AllowBuiltinCreation=true) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaLookup.cpp:1426
> #5 0x00007ffff572362c in clang::Sema::LookupParsedName (this=0x6b6e00,
> R=..., S=0x0, SS=0x7ffffffea958, AllowBuiltinCreation=true,
> EnteringContext=false) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaLookup.cpp:1868
> #6 0x00007ffff5524491 in clang::Sema::ActOnIdExpression (this=0x6b6e00,
> S=0x0, SS=..., TemplateKWLoc=..., Id=..., HasTrailingLParen=true,
> IsAddressOfOperand=false,
> CCC=std::unique_ptr<clang::CorrectionCandidateCallback> containing
> 0x0, IsInlineAsmIdentifier=false, KeywordReplacement=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:2114
> #7 0x00007ffff5523d96 in clang::Sema::DefaultVariadicArgumentPromotion
> (this=0x6b6e00, E=0x38383f0, CT=clang::Sema::VariadicConstructor,
> FDecl=0x878b20) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:936
> #8 0x00007ffff55367c6 in clang::Sema::GatherArgumentsForCall
> (this=0x6b6e00, CallLoc=..., FDecl=0x878b20, Proto=0x878ad0, FirstParam=0,
> Args=..., AllArgs=..., CallType=clang::Sema::VariadicConstructor,
> AllowExplicit=false,
> IsListInitialization=false) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:4477
> #9 0x00007ffff5426487 in clang::Sema::CompleteConstructorCall
> (this=0x6b6e00, Constructor=0x878b20, ArgsPtr=..., Loc=...,
> ConvertedArgs=..., AllowExplicit=false, IsListInitialization=false)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaDeclCXX.cpp:11427
> #10 0x00007ffff56f4184 in clang::InitializationSequence::Perform
> (this=0x7ffffffebff0, S=..., Entity=..., Kind=..., Args=...,
> ResultType=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaInit.cpp:6189
> #11 0x00007ffff56fe47b in clang::Sema::PerformCopyInitialization
> (this=0x6b6e00, Entity=..., EqualLoc=..., Init=...,
> TopLevelOfInitList=false, AllowExplicit=false)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaInit.cpp:7495
> #12 0x00007ffff55364e9 in clang::Sema::GatherArgumentsForCall
> (this=0x6b6e00, CallLoc=..., FDecl=0x3839080, Proto=0x3839010,
> FirstParam=0, Args=..., AllArgs=...,
> CallType=clang::Sema::VariadicDoesNotApply, AllowExplicit=false,
> IsListInitialization=false) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:4433
> #13 0x00007ffff5535c19 in clang::Sema::ConvertArgumentsForCall
> (this=0x6b6e00, Call=0x3839240, Fn=0x3839228, FDecl=0x3839080,
> Proto=0x3839010, Args=..., RParenLoc=..., IsExecConfig=false)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:4378
> #14 0x00007ffff5538209 in clang::Sema::BuildResolvedCallExpr
> (this=0x6b6e00, Fn=0x3839228, NDecl=0x3839080, LParenLoc=..., Args=...,
> RParenLoc=..., Config=0x0, IsExecConfig=false)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:4964
> #15 0x00007ffff57b4ad2 in FinishOverloadedCallExpr (SemaRef=..., S=0x0,
> Fn=0x3839190, ULE=0x3837ab8, LParenLoc=..., Args=..., RParenLoc=...,
> ExecConfig=0x0, CandidateSet=0x7ffffffee548, Best=0x7ffffffee510,
> OverloadResult=clang::OR_Success, AllowTypoCorrection=true) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaOverload.cpp:10798
> #16 0x00007ffff57b47cd in clang::Sema::BuildOverloadedCallExpr
> (this=0x6b6e00, S=0x0, Fn=0x3837ab8, ULE=0x3837ab8, LParenLoc=...,
> Args=..., RParenLoc=..., ExecConfig=0x0, AllowTypoCorrection=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaOverload.cpp:10871
> #17 0x00007ffff5525999 in clang::Sema::ActOnCallExpr (this=0x6b6e00,
> S=0x0, Fn=0x3837ab8, LParenLoc=..., ArgExprs=..., RParenLoc=...,
> ExecConfig=0x0, IsExecConfig=false)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:4768
> #18 0x00007ffff5975fee in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::RebuildCallExpr (this=0x7fffffff2738,
> Callee=0x3837ab8, LParenLoc=..., Args=..., RParenLoc=..., ExecConfig=0x0)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:1833
> #19 0x00007ffff5975f26 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformCallExpr (this=0x7fffffff2738,
> E=0x8d8a08) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:7617
> #20 0x00007ffff5967982 in (anonymous
> namespace)::TemplateInstantiator::TransformCallExpr (this=0x7fffffff2738,
> CE=0x8d8a08) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:823
> #21 0x00007ffff595e10a in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformExpr (this=0x7fffffff2738,
> E=0x8d8a08) at tools/clang/include/clang/AST/StmtNodes.inc:299
> #22 0x00007ffff597fbb2 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformDecltypeType
> (this=0x7fffffff2738, TLB=..., TL=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:4922
> #23 0x00007ffff5954aa6 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformType (this=0x7fffffff2738,
> TLB=..., T=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/AST/TypeNodes.def:88
> #24 0x00007ffff59539bf in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformType (this=0x7fffffff2738,
> DI=0x8d8aa8) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3706
> #25 0x00007ffff597404d in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateArgument
> (this=0x7fffffff2738, Input=..., Output=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3441
> #26 0x00007ffff597332a in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateArguments<clang::TemplateArgumentLocContainerIterator<clang::TemplateSpecializationTypeLoc>
> > (this=0x7fffffff2738,
> First=..., Last=..., Outputs=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3661
> #27 0x00007ffff5971f79 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateSpecializationType
> (this=0x7fffffff2738, TLB=..., TL=..., Template=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:5213
> #28 0x00007ffff5971c34 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTSIInObjectScope
> (this=0x7fffffff2738, TL=..., ObjectType=..., UnqualLookup=0x0, SS=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3854
> #29 0x00007ffff5990278 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTypeInObjectScope
> (this=0x7fffffff2738, TL=..., ObjectType=..., UnqualLookup=0x0, SS=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3813
> #30 0x00007ffff59604c8 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformNestedNameSpecifierLoc
> (this=0x7fffffff2738, NNS=..., ObjectType=..., FirstQualifierInScope=0x0)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3189
> #31 0x00007ffff59817be in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformDependentNameType
> (this=0x7fffffff2738, TLB=..., TL=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:5434
> #32 0x00007ffff5954f1a in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformType (this=0x7fffffff2738,
> TLB=..., T=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/AST/TypeNodes.def:101
> #33 0x00007ffff59539bf in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformType (this=0x7fffffff2738,
> DI=0x8d8cc0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3706
> #34 0x00007ffff59537ff in clang::Sema::SubstType (this=0x6b6e00,
> T=0x8d8cc0, Args=..., Loc=..., Entity=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1472
> #35 0x00007ffff59581e7 in clang::Sema::SubstBaseSpecifiers (this=0x6b6e00,
> Instantiation=0x3837850, Pattern=0x8d8440, TemplateArgs=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1810
> #36 0x00007ffff5958675 in clang::Sema::InstantiateClass (this=0x6b6e00,
> PointOfInstantiation=..., Instantiation=0x3837850, Pattern=0x8d8440,
> TemplateArgs=..., TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1971
> #37 0x00007ffff595a361 in
> clang::Sema::InstantiateClassTemplateSpecialization (this=0x6b6e00,
> PointOfInstantiation=..., ClassTemplateSpec=0x3837850,
> TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:2427
> #38 0x00007ffff5a157c1 in clang::Sema::RequireCompleteTypeImpl
> (this=0x6b6e00, Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5290
> #39 0x00007ffff5a150f6 in clang::Sema::RequireCompleteType (this=0x6b6e00,
> Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5117
> #40 0x00007ffff52aa25a in
> clang::Sema::RequireCompleteType<clang::SourceRange> (this=0x6b6e00,
> Loc=..., T=..., DiagID=2256, Args=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/Sema/Sema.h:1303
> #41 0x00007ffff53ff108 in clang::Sema::CheckBaseSpecifier (this=0x6b6e00,
> Class=0x38362d8, SpecifierRange=..., Virtual=false,
> Access=clang::AS_public, TInfo=0x38379e0, EllipsisLoc=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaDeclCXX.cpp:1454
> #42 0x00007ffff595828a in clang::Sema::SubstBaseSpecifiers (this=0x6b6e00,
> Instantiation=0x38362d8, Pattern=0x8d94d8, TemplateArgs=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1822
> #43 0x00007ffff5958675 in clang::Sema::InstantiateClass (this=0x6b6e00,
> PointOfInstantiation=..., Instantiation=0x38362d8, Pattern=0x8d94d8,
> TemplateArgs=..., TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1971
> #44 0x00007ffff595a361 in
> clang::Sema::InstantiateClassTemplateSpecialization (this=0x6b6e00,
> PointOfInstantiation=..., ClassTemplateSpec=0x38362d8,
> TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:2427
> #45 0x00007ffff5a157c1 in clang::Sema::RequireCompleteTypeImpl
> (this=0x6b6e00, Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5290
> #46 0x00007ffff5a150f6 in clang::Sema::RequireCompleteType (this=0x6b6e00,
> Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5117
> #47 0x00007ffff52aa25a in
> clang::Sema::RequireCompleteType<clang::SourceRange> (this=0x6b6e00,
> Loc=..., T=..., DiagID=2259, Args=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/Sema/Sema.h:1303
> #48 0x00007ffff52a5c38 in clang::Sema::RequireCompleteDeclContext
> (this=0x6b6e00, SS=..., DC=0x3836310) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaCXXScopeSpec.cpp:212
> #49 0x00007ffff552c8ec in clang::Sema::BuildQualifiedDeclarationNameExpr
> (this=0x6b6e00, SS=..., NameInfo=..., IsAddressOfOperand=false,
> RecoveryTSI=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:2294
> #50 0x00007ffff5976d14 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::RebuildDependentScopeDeclRefExpr
> (this=0x7fffffff75b8, QualifierLoc=..., TemplateKWLoc=..., NameInfo=...,
> TemplateArgs=0x0,
> IsAddressOfOperand=false, RecoveryTSI=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:2402
> #51 0x00007ffff5976ac0 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformDependentScopeDeclRefExpr
> (this=0x7fffffff75b8, E=0x7d1a50, IsAddressOfOperand=false, RecoveryTSI=0x0)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:8997
> #52 0x00007ffff5969433 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformDependentScopeDeclRefExpr
> (this=0x7fffffff75b8, E=0x7d1a50)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:8963
> #53 0x00007ffff595e47c in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformExpr (this=0x7fffffff75b8,
> E=0x7d1a50) at tools/clang/include/clang/AST/StmtNodes.inc:433
> #54 0x00007ffff59743e4 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateArgument
> (this=0x7fffffff75b8, Input=..., Output=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3480
> #55 0x00007ffff597332a in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateArguments<clang::TemplateArgumentLocContainerIterator<clang::TemplateSpecializationTypeLoc>
> > (this=0x7fffffff75b8,
> First=..., Last=..., Outputs=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3661
> #56 0x00007ffff5971f79 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateSpecializationType
> (this=0x7fffffff75b8, TLB=..., TL=..., Template=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:5213
> #57 0x00007ffff598143b in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformTemplateSpecializationType
> (this=0x7fffffff75b8, TLB=..., TL=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:5112
> #58 0x00007ffff5954dfd in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformType (this=0x7fffffff75b8,
> TLB=..., T=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/AST/TypeNodes.def:98
> #59 0x00007ffff59539bf in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformType (this=0x7fffffff75b8,
> DI=0x7d1c48) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:3706
> #60 0x00007ffff59537ff in clang::Sema::SubstType (this=0x6b6e00,
> T=0x7d1c48, Args=..., Loc=..., Entity=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1472
> #61 0x00007ffff59581e7 in clang::Sema::SubstBaseSpecifiers (this=0x6b6e00,
> Instantiation=0x3836030, Pattern=0x7d1578, TemplateArgs=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1810
> #62 0x00007ffff5958675 in clang::Sema::InstantiateClass (this=0x6b6e00,
> PointOfInstantiation=..., Instantiation=0x3836030, Pattern=0x7d1578,
> TemplateArgs=..., TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1971
> #63 0x00007ffff595a361 in
> clang::Sema::InstantiateClassTemplateSpecialization (this=0x6b6e00,
> PointOfInstantiation=..., ClassTemplateSpec=0x3836030,
> TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:2427
> #64 0x00007ffff5a157c1 in clang::Sema::RequireCompleteTypeImpl
> (this=0x6b6e00, Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5290
> #65 0x00007ffff5a150f6 in clang::Sema::RequireCompleteType (this=0x6b6e00,
> Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5117
> #66 0x00007ffff52aa25a in
> clang::Sema::RequireCompleteType<clang::SourceRange> (this=0x6b6e00,
> Loc=..., T=..., DiagID=2256, Args=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/Sema/Sema.h:1303
> #67 0x00007ffff53ff108 in clang::Sema::CheckBaseSpecifier (this=0x6b6e00,
> Class=0x3835810, SpecifierRange=..., Virtual=false,
> Access=clang::AS_public, TInfo=0x38361b0, EllipsisLoc=...)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaDeclCXX.cpp:1454
> #68 0x00007ffff595828a in clang::Sema::SubstBaseSpecifiers (this=0x6b6e00,
> Instantiation=0x3835810, Pattern=0x7d1e20, TemplateArgs=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1822
> #69 0x00007ffff5958675 in clang::Sema::InstantiateClass (this=0x6b6e00,
> PointOfInstantiation=..., Instantiation=0x3835810, Pattern=0x7d1e20,
> TemplateArgs=..., TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1971
> #70 0x00007ffff595a361 in
> clang::Sema::InstantiateClassTemplateSpecialization (this=0x6b6e00,
> PointOfInstantiation=..., ClassTemplateSpec=0x3835810,
> TSK=clang::TSK_ImplicitInstantiation, Complain=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:2427
> #71 0x00007ffff5a157c1 in clang::Sema::RequireCompleteTypeImpl
> (this=0x6b6e00, Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5290
> #72 0x00007ffff5a150f6 in clang::Sema::RequireCompleteType (this=0x6b6e00,
> Loc=..., T=..., Diagnoser=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaType.cpp:5117
> #73 0x00007ffff52aa25a in
> clang::Sema::RequireCompleteType<clang::SourceRange> (this=0x6b6e00,
> Loc=..., T=..., DiagID=2259, Args=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/include/clang/Sema/Sema.h:1303
> #74 0x00007ffff52a5c38 in clang::Sema::RequireCompleteDeclContext
> (this=0x6b6e00, SS=..., DC=0x3835848) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaCXXScopeSpec.cpp:212
> #75 0x00007ffff552c8ec in clang::Sema::BuildQualifiedDeclarationNameExpr
> (this=0x6b6e00, SS=..., NameInfo=..., IsAddressOfOperand=false,
> RecoveryTSI=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExpr.cpp:2294
> #76 0x00007ffff5976d14 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::RebuildDependentScopeDeclRefExpr
> (this=0x7fffffffbac8, QualifierLoc=..., TemplateKWLoc=..., NameInfo=...,
> TemplateArgs=0x0,
> IsAddressOfOperand=false, RecoveryTSI=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:2402
> #77 0x00007ffff5976ac0 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformDependentScopeDeclRefExpr
> (this=0x7fffffffbac8, E=0x9a8628, IsAddressOfOperand=false, RecoveryTSI=0x0)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:8997
> #78 0x00007ffff5969433 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformDependentScopeDeclRefExpr
> (this=0x7fffffffbac8, E=0x9a8628)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:8963
> #79 0x00007ffff595e47c in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformExpr (this=0x7fffffffbac8,
> E=0x9a8628) at tools/clang/include/clang/AST/StmtNodes.inc:433
> #80 0x00007ffff596339c in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformBinaryOperator
> (this=0x7fffffffbac8, E=0x9a8818) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:7704
> #81 0x00007ffff595dca3 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformExpr (this=0x7fffffffbac8,
> E=0x9a8818) at tools/clang/include/clang/AST/StmtNodes.inc:157
> #82 0x00007ffff5955af2 in clang::TreeTransform<(anonymous
> namespace)::TemplateInstantiator>::TransformExceptionSpec
> (this=0x7fffffffbac8, Loc=..., ESI=..., Exceptions=...,
> Changed=@0x7fffffffba7f: false)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/TreeTransform.h:4697
> #83 0x00007ffff59559ea in clang::Sema::SubstExceptionSpec (this=0x6b6e00,
> New=0x7ffff0b023a8, Proto=0x9a8840, Args=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiate.cpp:1611
> #84 0x00007ffff59aca2b in clang::Sema::InstantiateExceptionSpec
> (this=0x6b6e00, PointOfInstantiation=..., Decl=0x7ffff0b023a8) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:3193
> #85 0x00007ffff5518b88 in clang::Sema::ResolveExceptionSpec
> (this=0x6b6e00, Loc=..., FPT=0x7ffff0b02470) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaExceptionSpec.cpp:162
> #86 0x00007ffff53839f5 in clang::Sema::ActOnStartOfFunctionDef
> (this=0x6b6e00, FnBodyScope=0x0, D=0x7ffff0b023a8) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaDecl.cpp:10475
> #87 0x00007ffff59ad779 in clang::Sema::InstantiateFunctionDefinition
> (this=0x6b6e00, PointOfInstantiation=..., Function=0x7ffff0b023a8,
> Recursive=true, DefinitionRequired=true)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp:3449
> #88 0x0000000000428f79 in QuaffVisitor::CanBeSafeToHandle (this=0x694b30,
> d=0x7ffff0b023a8, inInstantiation=true) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/quaff-visitor.cc:179
> #89 0x000000000042a46f in QuaffVisitor::VisitCXXMethod (this=0x694b30,
> d=0x7ffff0b023a8, instantiation=true) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/quaff-visitor.cc:388
> #90 0x000000000040dd50 in Walker::Traverse (this=0x694c40,
> d=0x7ffff0b023a8) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:64
> #91 0x000000000040e28d in Walker::TraverseCXXRecord (this=0x694c40,
> d=0x7ffff0bf1218) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:96
> #92 0x000000000040df33 in Walker::TraverseClassTemplate (this=0x694c40,
> d=0x96d750) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:109
> #93 0x000000000040dbce in Walker::Traverse (this=0x694c40, d=0x96d750) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:45
> #94 0x000000000040e0b2 in Walker::TraverseNamespace (this=0x694c40,
> d=0x95ea20) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:119
> #95 0x000000000040dc25 in Walker::Traverse (this=0x694c40, d=0x95ea20) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:51
> #96 0x000000000040e0b2 in Walker::TraverseNamespace (this=0x694c40,
> d=0x95e9b8) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:119
> #97 0x000000000040dc25 in Walker::Traverse (this=0x694c40, d=0x95e9b8) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:51
> #98 0x000000000040d8d2 in Walker::TraverseTranslationUnit (this=0x694c40,
> d=0x693bd0) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/walker.cc:17
> #99 0x000000000040d054 in Consumer<Options,
> QuaffVisitor>::HandleTranslationUnit (this=0x694b20, context=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/consumer.hh:21
> #100 0x00007ffff1f9dab6 in clang::ParseAST (S=..., PrintStats=false,
> SkipFunctionBodies=false) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Parse/ParseAST.cpp:151
> #101 0x00007ffff610824f in clang::ASTFrontendAction::ExecuteAction
> (this=0x660f50) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:536
> #102 0x00007ffff6107d50 in clang::FrontendAction::Execute (this=0x660f50)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Frontend/FrontendAction.cpp:439
> #103 0x00007ffff60b4f5f in clang::CompilerInstance::ExecuteAction
> (this=0x7fffffffd368, Act=...) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Frontend/CompilerInstance.cpp:814
> #104 0x00007ffff77bca6e in
> clang::tooling::FrontendActionFactory::runInvocation (this=0x7fffffffde88,
> Invocation=0x6612a0, Files=0x65f4f0, DiagConsumer=0x0) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Tooling/Tooling.cpp:272
> #105 0x00007ffff77bc979 in clang::tooling::ToolInvocation::runInvocation
> (this=0x7fffffffdb80, BinaryName=0x65fec8
> "/home/peter/Programming/llvm/clang/bin/quaff", Compilation=0x65aae0,
> Invocation=0x6612a0)
> at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Tooling/Tooling.cpp:249
> #106 0x00007ffff77bc211 in clang::tooling::ToolInvocation::run
> (this=0x7fffffffdb80) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Tooling/Tooling.cpp:235
> #107 0x00007ffff77bd3aa in clang::tooling::ClangTool::run
> (this=0x7fffffffdea8, Action=0x7fffffffde88) at
> /home/peter/Programming/llvm/llvm/tools/clang/lib/Tooling/Tooling.cpp:364
> #108 0x000000000040873d in main (argc=5, argv=0x7fffffffe178) at
> /home/peter/Programming/llvm/llvm/tools/clang/tools/extra/quaff/main.cc:149
>
>
>
>
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