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path: root/lib/Sema/SemaDecl.cpp
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2009-12-04Diagnose declarations of implicit member functions.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90605 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04Make sure that overridden method decls are always canonical.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90542 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-04When recovering from an invalid forward reference to an enum type in C++,John McCall
create the enum type in the same scope as you would a record type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90500 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03A new helper function to set various bits in the class whenFariborz Jahanian
a new virtual function is declared/instantiated. it is used in couple of places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90470 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-03Unify the end-of-class code paths used by the parser and templateDouglas Gregor
instantiation, to ensure that we mark class template specilizations as abstract when we need to and perform checking of abstract classes. Also, move the checking that determines whether we are creating a variable of abstract class type *after* we check whether the type is complete. Otherwise, we won't see when we have an abstract class template specialization that is implicitly instantiated by this declaration. This is the "something else" that Sebastian had noted earlier. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90467 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-02In Sema, whenever we think that a function is going to cause a vtable to be ↵Anders Carlsson
generated, we mark any virtual implicit member functions as referenced. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-02Rip out the last remaining implicit use of OverloadedFunctionDecl in Sema:John McCall
LookupResult::getAsSingleDecl() is no more. Shift Sema::LookupSingleName to return null on overloaded results. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90309 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-02Push overloaded function templates through the parser using a totally differentJohn McCall
leaked data structure than before. This kills off the last remaining explicit uses of OverloadedFunctionDecl in Sema. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90306 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-02Fix another "operator delete missing" crash: make sure we don't checkEli Friedman
isVirtual() before we've actually calculated whether the destructor is virtual. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90303 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-01Funtion templates and function template specializations do notDouglas Gregor
override virtual functions. Also, eliminate a (now redundant) call to AddOverriddenMethods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90242 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-01Move the checking of overridden virtual functions into the code pathDouglas Gregor
common to both parsing and template instantiation, so that we'll find overridden virtuals for member functions of class templates when they are instantiated. Additionally, factor out the checking for pure virtual functions, so that it will be executed both at parsing time and at template instantiation time. These changes fix PR5656 (for real), although one more tweak w.r.t. member function templates will be coming along shortly. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90241 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-01An inherited virtual (where "virtual" wasn't written explicitly) canDouglas Gregor
be defined as pure. Fixes PR5656. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90237 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-30Remove all of Sema's explicit uses of OverloadedFunctionDecl except forJohn McCall
those associated with TemplateNames. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90162 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-30Eliminate the use of OverloadedFunctionDecl in member expressions.John McCall
Create a new UnresolvedMemberExpr for these lookups. Assorted hackery around qualified member expressions; this will all go away when we implement the correct (i.e. extremely delayed) implicit-member semantics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90161 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-30Use StringRef in Attr constructors.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90140 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-29Add DeclarationName support for C++0x operator literals. They should now work asSean Hunt
function names outside of templates - they'll probably cause some damage there as they're largely untested. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90064 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-29Fix 80-cols violationsSean Hunt
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90057 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-28Add Parser support for C++0x literal operators ('operator "" i').Sean Hunt
DeclarationName can't handle them yet, so right now Parser just errors out on them. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90027 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-27Fix thinko.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89983 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-26Correctly find overridden destructors.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89966 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Allow user re-definition of SEL as well as accessing its fields.Fariborz Jahanian
This fixes pr5611. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89895 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-25Diagnose ill-formed uses of default template arguments inDouglas Gregor
function templates (in C++98), friend function templates, and out-of-line definitions of members of class templates. Also handles merging of default template arguments from previous declarations of function templates, for C++0x. However, we don't yet make use of those default template arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89872 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-23Encapsulate "an array of TemplateArgumentLocs and two angle bracket ↵John McCall
locations" into a new class. Use it pervasively throughout Sema. My fingers hurt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-21This patch implements objective-c's 'SEL' type as a built-inFariborz Jahanian
type and fixes a long-standing code gen. crash reported in at least two PRs and a radar. (radar 7405040 and pr5025). There are couple of remaining issues that I would like for Ted. and Doug to look at: Ted, please look at failure in Analysis/MissingDealloc.m. I have temporarily added an expected-warning to make the test pass. This tests has a declaration of 'SEL' type which may not co-exist with the new changes. Doug, please look at a FIXME in PCHWriter.cpp/PCHReader.cpp. I think the changes which I have ifdef'ed out are correct. They need be considered for in a few Indexer/PCH test cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89561 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-21Added rudimentary C++0x attribute support.Sean Hunt
The following attributes are currently supported in C++0x attribute lists (and in GNU ones as well): - align() - semantics believed to be conformant to n3000, except for redeclarations and what entities it may apply to - final - semantics believed to be conformant to CWG issue 817's proposed wording, except for redeclarations - noreturn - semantics believed to be conformant to n3000, except for redeclarations - carries_dependency - currently ignored (this is an optimization hint) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89543 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-20Implement C++ [basic.lookup.classref]p3, which states how the typeDouglas Gregor
name 'T' is looked up in the expression t.~T() Previously, we weren't looking into the type of "t", and therefore would fail when T actually referred to an injected-class-name. Fixes PR5530. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89493 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18Overhaul previous-declaration and overload checking to work on lookup resultsJohn McCall
rather than NamedDecl*. This is a major step towards eliminating OverloadedFunctionDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89263 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18Track overriding methods when instantiating a template class. Fixes PR5550.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89248 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18Split LookupResult into its own header.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89199 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18Incremental progress on using declarations. Split UnresolvedUsingDecl intoJohn McCall
two classes, one for typenames and one for values; this seems to have some support from Doug if not necessarily from the extremely-vague-on-this-point standard. Track the location of the 'typename' keyword in a using-typename decl. Make a new lookup result for unresolved values and deal with it in most places. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89184 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Unify the way destructor epilogues are generated for synthesized and regular ↵Anders Carlsson
destructors. Also fix PR5529. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89034 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Carry lookup configuration throughout lookup on the LookupResult. GiveJohn McCall
LookupResult RAII powers to diagnose ambiguity in the results. Other diagnostics (e.g. access control and deprecation) will be moved to automatically trigger during lookup as part of this same mechanism. This abstraction makes it much easier to encapsulate aliasing declarations (e.g. using declarations) inside the lookup system: eventually, lookup will just produce the aliases in the LookupResult, and the standard access methods will naturally strip the aliases off. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89027 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16First part of changes to eliminate problems with cv-qualifiers andDouglas Gregor
sugared types. The basic problem is that our qualifier accessors (getQualifiers, getCVRQualifiers, isConstQualified, etc.) only look at the current QualType and not at any qualifiers that come from sugared types, meaning that we won't see these qualifiers through, e.g., typedefs: typedef const int CInt; typedef CInt Self; Self.isConstQualified() currently returns false! Various bugs (e.g., PR5383) have cropped up all over the front end due to such problems. I'm addressing this problem by splitting each qualifier accessor into two versions: - the "local" version only returns qualifiers on this particular QualType instance - the "normal" version that will eventually combine qualifiers from this QualType instance with the qualifiers on the canonical type to produce the full set of qualifiers. This commit adds the local versions and switches a few callers from the "normal" version (e.g., isConstQualified) over to the "local" version (e.g., isLocalConstQualified) when that is the right thing to do, e.g., because we're printing or serializing the qualifiers. Also, switch a bunch of Context.getCanonicalType(T1).getUnqualifiedType() == Context.getCanonicalType(T2).getQualifiedType() expressions over to Context.hasSameUnqualifiedType(T1, T2) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88969 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15Make sure that virtual destructors have delete operators.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88877 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15Deallocation functions must also be static.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15allocation functions are always static.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88858 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-15If any errors have occurred by the time we hit the end of a function body, ↵Douglas Gregor
clear out any remaining temporaries so they aren't seen later. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88834 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14Fix for PR5489: don't skip the complete type requrirement for variableEli Friedman
definitions just because the type happens to be an array type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88752 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Revert r88718, which does NOT solve the ↵Douglas Gregor
constructor-template-as-copy-constructor issue. Big thanks to John for finding this git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88724 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13A constructor template cannot be instantiated to a copyDouglas Gregor
constructor. Make sure that such declarations can never be formed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88718 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Fix bug Doug noticed.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88679 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12Random const correctness, and incidentally use computeDeclContext when buildingJohn McCall
a using declaration. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-10Improve parsing of template arguments to lay the foundation forDouglas Gregor
handling template template parameters properly. This refactoring: - Parses template template arguments as id-expressions, representing the result of the parse as a template name (Action::TemplateTy) rather than as an expression (lame!). - Represents all parsed template arguments via a new parser-specific type, ParsedTemplateArgument, which stores the kind of template argument (type, non-type, template) along with all of the source information about the template argument. This replaces an ad hoc set of 3 vectors (one for a void*, which was either a type or an expression; one for a bit telling whether the first was a type or an expression; and one for a single source location pointing at the template argument). - Moves TemplateIdAnnotation into the new Parse/Template.h. It never belonged in the Basic library anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86708 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Make sure that Type::getAs<ArrayType>() (or Type::getAs<subclass ofDouglas Gregor
ArrayType>()) does not instantiate. Update all callers that used this unsafe feature to use the appropriate ASTContext::getAs*ArrayType method. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86596 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-08When checking the namespace of a redeclaration or definition, look through ↵Sebastian Redl
linkage specs. Fixes PR5430. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86461 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Don't treat variables with non-trivial ctors or dtors as unused. Fixes PR5407.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86352 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Cleanup, no functionality change.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86351 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Make sure that EnumConstantDecls always get a type, even when they have ↵Douglas Gregor
type-dependent initializers. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86197 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Don't allow definitions of array variables without some size information in ↵Sebastian Redl
C++. Fixed PR5401 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Change our basic strategy for avoiding deprecation warnings when the decl useJohn McCall
appears in a deprecated context. In the new strategy, we emit the warnings as usual unless we're currently parsing a declaration, where "declaration" is restricted to mean a decl group or a few special cases in Objective C. If we *are* parsing a declaration, we queue up the deprecation warnings until the declaration has been completely parsed, and then emit them only if the decl is not deprecated. We also standardize the bookkeeping for deprecation so as to avoid special cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85998 91177308-0d34-0410-b5e6-96231b3b80d8
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