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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
2009-11-03Use ParseUnqualifiedId when parsing id-expressions. This eliminatesDouglas Gregor
yet another copy of the unqualified-id parsing code. Also, use UnqualifiedId to simplify the Action interface for building id-expressions. ActOnIdentifierExpr, ActOnCXXOperatorFunctionIdExpr, ActOnCXXConversionFunctionExpr, and ActOnTemplateIdExpr have all been removed in favor of the new ActOnIdExpression action. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85904 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Introduce a new class, UnqualifiedId, that provides a parsedDouglas Gregor
representation of a C++ unqualified-id, along with a single parsing function (Parser::ParseUnqualifiedId) that will parse all of the various forms of unqualified-id in C++. Replace the representation of the declarator name in Declarator with the new UnqualifiedId class, simplifying declarator-id parsing considerably and providing more source-location information to Sema. In the future, I hope to migrate all of the other unqualified-id-parsing code over to this single representation, then begin to merge actions that are currently only different because we didn't have a unqualified notion of the name in the parser. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85851 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Make sure to call CompleteConstructorCall for bases and members that are ↵Anders Carlsson
initialized implicitly in constructors so that default arguments etc are set correctly. Fixes PR5283. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85510 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Track source information for template arguments and template specializationJohn McCall
types. Preserve it through template instantiation. Preserve it through PCH, although TSTs themselves aren't serializable, so that's pretty much meaningless. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85500 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28Use array's base element type in getting to itsFariborz Jahanian
constructor. WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85420 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-28Removed an unnecessary arguement passed to InitializeVarWithConstructorFariborz Jahanian
which should come from the variable and wasn't correct for arrays in any case. No change in functionality. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85415 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Rename FunctionDecl::isInline/setInline toDouglas Gregor
FunctionDecl::isInlineSpecified/setInlineSpecified. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85305 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Almost missed this one... Doc update for last change.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85196 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Refine noreturn handling. Fixes -Wmissing-noreturn so that it doesn'tMike Stump
complain that functions that have a return statement should be declared noreturn. Fixed PR5286. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85195 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Use a pred_iterator instead of a succ_iterator (wrong typedef).Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85193 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Fix PR5298 - -Wmissing-noreturn shouldn't warn if the function is alreadyChris Lattner
declared noreturn. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85075 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Make sure we actually have a definition before asking if it is implicit. ↵Sebastian Redl
Fixes PR4674. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85072 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25When parsing a top level struct declaration, make sure to Chris Lattner
process decl attributes instead of dropping them on the floor. This allows us to diagnose cases like the testcase. Also don't diagnose deprecated stuff in ActOnTag: not all uses of tags may be 'uses', and SemaType does this now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25move calls to DiagnoseUseOfDecl (which warns about deprecated/unavailable Chris Lattner
types) out of Sema::getTypeName into ConvertDeclSpecToType. getTypeName is sometimes used as a predicate in the parser, so it could cause redundant diags to be emitted. This is also needed by two upcoming enhancements. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Remove the Skip parameter from GetTypeForDeclarator and dependents. Take the ↵Sebastian Redl
opportunity to improve an error message and fix PR4498. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85068 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25simplify Sema::getTypeName a bit: if control gets out of the switch,Chris Lattner
IIDecl cannot be null. There is no need to check for both C++ mode and presence of CXXRecordDecl. ObjC interfaces can't have ScopeSpecs. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85057 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25In objc mode, every identifier in a cast expression was using doing aChris Lattner
type looking using getTypeName() and every property access was using NextToken() to do lookahead to see if the identifier is followed by a '.'. Rearrange this code to not need lookahead and only do the type lookup if we have "identifier." in the token stream. Also improve a diagnostic a bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85056 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Audit the code for places where it is assumed that every base specifier ↵Sebastian Redl
refers to a RecordType. Add assertions or conditions as appropriate. This fixes another crash in the Apache stdlib vector. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85055 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-24Preserve type source information in TypedefDecls. Preserve it acrossJohn McCall
template instantiation. Preserve it through PCH. Show it off to the indexer. I'm healthily ignoring the vector type cases because we don't have a sensible TypeLoc implementation for them anyway. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84994 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Remove OriginalTypeParmDecl; the original type is the one specifiedJohn McCall
in the DeclaratorInfo, if one is present. Preserve source information through template instantiation. This is made more complicated by the possibility that ParmVarDecls don't have DIs, which is possibly worth fixing in the future. Also preserve source information for function parameters in ObjC method declarations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84971 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22Preserve source information for anonymous struct/union declarations.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84913 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Add FIXME.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84696 91177308-0d34-0410-b5e6-96231b3b80d8
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