that are suppressed during template argument deduction. This change
queues diagnostics computed during template argument deduction. Then,
if the resulting function template specialization or partial
specialization is chosen by overload resolution or partial ordering
(respectively), we will emit the queued diagnostics at that point.
This addresses most of PR6784. However, the check for unnamed/local
template arguments (which existed before this change) is still only
skin-deep, and needs to be extended to look deeper into types. It must
be improved to finish PR6784.
llvm-svn: 116373
argument deduction, make sure to check the correctness of deduced template
type arguments (which we had previously skipped) along with other
kinds of template arguments. This fixes part of PR6784, but we're
still swallowing the extension warning about unnamed/local template
arguments.
llvm-svn: 116327
against a function type, be sure to check the type of the resulting
function template specialization against the desired function type
after substituting the deduced/defaulted template arguments. Fixes PR8196.
llvm-svn: 115086
deduction where the parameter is a function reference, function
pointer, or member function pointer and the argument is an overloaded
function. Fixes <rdar://problem/8360106>, a template argument
deduction issue found by Boost.Filesystem.
llvm-svn: 112523
an '&' expression from the second caller of ActOnIdExpression.
Teach template argument deduction that an overloaded id-expression
doesn't give a valid type for deduction purposes to a non-static
member function unless the expression has the correct syntactic
form.
Teach ActOnIdExpression that it shouldn't try to create implicit
member expressions for '&function', because this isn't a
permitted form of use for member functions.
Teach CheckAddressOfOperand to diagnose these more carefully.
Some of these cases aren't reachable right now because earlier
diagnostics interrupt them.
llvm-svn: 112258
- move DeclSpec &c into the Sema library
- move ParseAST into the Parse library
Reflect this change in a thousand different includes.
Reflect this change in the link orders.
llvm-svn: 111667
a template-argument-list. When template template parameters are
involved, we won't already have checked the template-argument-list (it
may not be known yet!). Fixes PR7807.
llvm-svn: 110444
case of an elaborated-type-specifier like 'typename A<T>::foo', and
DependentTemplateSpecializationType represents the case of an
elaborated-type-specifier like 'typename A<T>::template B<T>'. The TypeLoc
representation of a DependentTST conveniently exactly matches that of an
ElaboratedType wrapping a TST.
Kill off the explicit rebuild methods for RebuildInCurrentInstantiation;
the standard implementations work fine because the nested name specifier
is computable in the newly-entered context.
llvm-svn: 105801
ObjCObjectType, which is basically just a pair of
one of {primitive-id, primitive-Class, user-defined @class}
with
a list of protocols.
An ObjCObjectPointerType is therefore just a pointer which always points to
one of these types (possibly sugared). ObjCInterfaceType is now just a kind
of ObjCObjectType which happens to not carry any protocols.
Alter a rather large number of use sites to use ObjCObjectType instead of
ObjCInterfaceType. Store an ObjCInterfaceType as a pointer on the decl rather
than hashing them in a FoldingSet. Remove some number of methods that are no
longer used, at least after this patch.
By simplifying ObjCObjectPointerType, we are now able to easily remove and apply
pointers to Objective-C types, which is crucial for a certain kind of ObjC++
metaprogramming common in WebKit.
llvm-svn: 103870
specific message that includes the template arguments, e.g.,
test/SemaTemplate/overload-candidates.cpp:27:20: note: candidate template
ignored: substitution failure [with T = int *]
typename T::type get_type(const T&); // expected-note{{candidate ...
^
llvm-svn: 103348
specializations, substitute the deduced template arguments and check
the resulting substitution before concluding that template argument
deduction succeeds. This marvelous little fix makes a bunch of
Boost.Spirit tests start working.
llvm-svn: 102601
template argument deduction or (more importantly) the final substitution
required by such deduction. Makes access control magically work in these
cases.
Fixes PR6967.
llvm-svn: 102572
template argument deduction, use the lexical declaration context as
the owner for friend function templates. Fixes 2 failures in
Boost.Graph.
llvm-svn: 102489
of a class template or class template partial specialization. That is to
say, in
template <class T> class A { ... };
or
template <class T> class B<const T*> { ... };
make 'A<T>' and 'B<const T*>' sugar for the corresponding InjectedClassNameType
when written inside the appropriate context. This allows us to track the
current instantiation appropriately even inside AST routines. It also allows
us to compute a DeclContext for a type much more efficiently, at some extra
cost every time we write a template specialization (which can be optimized,
but I've left it simple in this patch).
llvm-svn: 102407
check deduced non-type template arguments and template template
arguments against the template parameters for which they were deduced,
performing conversions as appropriate so that deduced template
arguments get the same treatment as explicitly-specified template
arguments. This is the bulk of PR6723.
Also keep track of whether deduction of a non-type template argument
came from an array bound (vs. anywhere else). With this information,
we enforce C++ [temp.deduct.type]p17, which requires exact type
matches when deduction deduces a non-type template argument from
something that is not an array bound.
Finally, when in a SFINAE context, translate the "zero sized
arrays are an extension" extension diagnostic into a hard error (for
better standard conformance), which was a minor part of PR6723.
llvm-svn: 99734
parameter, keep the integral value exactly as it was in the source
code rather than trying to convert it to the type of the non-type
template parameter (which may still be dependent!). The value will
then be converted to the appropriate type once we check the resulting
template arguments. Fixes PR6707.
llvm-svn: 99611
- When substituting template arguments as part of template argument
deduction, introduce a new local instantiation scope.
- When substituting into a function prototype type, introduce a new
"temporary" local instantiation scope that merges with its outer
scope but also keeps track of any additions it makes, removing
them when we exit that scope.
Fixes PR6700, where we were getting too much mixing of local
instantiation scopes due to template argument deduction that
substituted results into function types.
llvm-svn: 99509
injected class name of a class template or class template partial specialization.
This is a non-canonical type; the canonical type is still a template
specialization type. This becomes the TypeForDecl of the pattern declaration,
which cleans up some amount of code (and complicates some other parts, but
whatever).
Fixes PR6326 and probably a few others, primarily by re-establishing a few
invariants about TypeLoc sizes.
llvm-svn: 98134
category. Use this in a few places to eliminate unnecessary TST cases and
do some future-proofing. Provide terrible manglings for typeof. Mangle
decltype with some hope of accuracy.
Our manglings for some of the cases covered in the testcase are different
from gcc's, which I've raised as an issue with the ABI list.
llvm-svn: 97523
deduction. This requires refactoring the deduction to have access to the Sema
object instead of merely the ASTContext. Still leaves something to be desired
due to poor source location.
Fixes PR6257 and half of PR6259.
llvm-svn: 95528
arguments. Fix a bug where incomplete explicit specializations were being
passed through as legitimate. Fix a bug where the absence of an explicit
specialization in an overload set was causing overall deduction to fail.
Fixes PR6191.
llvm-svn: 95052
(C++ [temp.mem]p5-6), which involves template argument deduction based
on the type named, e.g., given
struct X { template<typename T> operator T*(); } x;
when we call
x.operator int*();
we perform template argument deduction to determine that T=int. This
template argument deduction is needed for template specialization and
explicit instantiation, e.g.,
template<> X::operator float*() { /* ... */ }
and when calling or otherwise naming a conversion function (as in the
first example).
This fixes PR5742 and PR5762, although there's some remaining ugliness
that's causing out-of-line definitions of conversion function
templates to fail. I'll look into that separately.
llvm-svn: 93162
QualType to get CVR-qualifiers through array types, and switches the primary
comparison methods to use it. This may allow simplifying some of the callers of
getUnqualifiedArrayType.
Also fix the normalizing of CV-qualification during template deduction to
normalize through arrays and allow a more qualified deduced array type. This
fixes PR5911.
llvm-svn: 92289
more or less cv-qualified than another during implicit conversion and overload
resolution ([basic.type.qualifier] p5). Factors the logic out of template
deduction and into the ASTContext so it can be shared.
This fixes several aspects of PR5542, but not all of them.
llvm-svn: 92248
explicitly-specified template arguments are enough to determine the
instantiation, and either template argument deduction fails or is not
performed in that context, we can resolve the template-id down to a
function template specialization (so sayeth C++0x
[temp.arg.explicit]p3). Fixes PR5811.
llvm-svn: 91852
not deduce an "overload" type. Such a deduction indicates a failure in
semantic analysis (e.g., PR5811) that currently isn't caught until
code-generation time. This assertions makes it clearer that this
particular issue is a semantic-analysis problem, not a code-gen problem.
llvm-svn: 91844
