aboutsummaryrefslogtreecommitdiff
path: root/lib/Sema/SemaOverload.cpp
AgeCommit message (Collapse)Author
2009-11-18Make CreateOverloadedUnaryOp build the correct node for postinc/dec operators.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89192 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-18PR5520: Make sure to check whether the base type is complete before looking forEli Friedman
operator->. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Improve location information when adding conversion candidatesDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89141 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Store "sugared" decls in LookupResults (i.e. decl aliases like using ↵John McCall
declarations); strip the sugar off in getFoundDecl() and getAsSingleDecl(), but leave it on for clients like overload resolution who want to use the iterators. Refactor a few pieces of overload resolution to strip off using declarations in a single place. Don't do anything useful with the extra context knowledge yet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89061 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
2009-11-15When looking for operator() to type-check a call to an object of classDouglas Gregor
type, use full qualified name lookup rather than the poking the declaration context directly. This makes sure that we see operator()'s in superclasses. Also, move the complete-type check before this name lookup. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88842 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14- Have TryStaticImplicitCast set the cast kind to NoOp when binding a ↵Sebastian Redl
reference. CheckReferenceInit already inserts implicit casts to the necessary types. This fixes an assertion in CodeGen for some casts and brings a fix for PR5453 close, if I understand that bug correctly. - Also, perform calculated implicit cast sequences if they're determined to work. This finally diagnoses static_cast to ambiguous or implicit bases and fixes two long-standing fixmes in the test case. For the C-style cast, this requires propagating the access check suppression pretty deep into other functions. - Pass the expressions for TryStaticCast and TryStaticImplicitCast by reference. This should lead to a better AST being emitted for such casts, and also fixes a memory leak, because CheckReferenceInit and PerformImplicitConversion wrap the node passed to them. These wrappers were previously lost. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88809 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-14If we attempt to add a constructor template specialization that looksDouglas Gregor
like a copy constructor to the overload set, just ignore it. This ensures that we don't try to use such a constructor as a copy constructor *without* triggering diagnostics at the point of declaration. Note that we *do* diagnose such copy constructors when explicitly written by the user (e.g., as an explicit specialization). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88733 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
2009-11-13When performing copy initialization (= "implicit conversion", here) toDouglas Gregor
a class type from itself or a derived class thereof, enumerate constructors and permit user-defined conversions to the arguments of those constructors. This fixes the wacky implicit conversion sequence used in std::auto_ptr's lame emulation of move semantics. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88670 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-12When comparing template parameter lists, distinguish between three cases:Douglas Gregor
- Comparing template parameter lists to determine if we have a redeclaration - Comparing template parameter lists to determine if we have equivalent template template parameters - Comparing template parameter lists to determine whether a template template argument is valid for a given template template parameter. Previously, we did not distinguish between the last two cases, which got us into trouble when we were looking for exact type matches between the types of non-type template parameters that were dependent types. Now we do, so we properly delay checking of template template arguments until instantiation time. Also, fix an accidental fall-through in a case statement that was causing crashes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86992 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
2009-11-09For array pointee type, get its cvr qualifier fromFariborz Jahanian
its element type. Fixes pr5432. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86587 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Make sure that we instantiate default function arguments for anDouglas Gregor
overloaded operator(). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86581 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Cope with calls to operator() templates. Fixes PR5419.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86387 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06This patch implements Sema for clause 13.3.3.1p4.Fariborz Jahanian
It has to do with vararg constructors used as conversion functions. Code gen needs work. This is WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86207 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05When collecting types for built-in candidates, make arrays decay to ↵Sebastian Redl
pointers. Otherwise, subscripting an array leads to no candidates at all. Fixes PR5360. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86140 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Fixed two places where we needed to force completion of a typeDouglas Gregor
(without complaining if it fails) to get proper semantics: reference binding with a derived-to-base conversion and the enumeration of constructors for user-defined conversions. There are probably more cases to fix, but my prior attempt at statically ensuring that complete-type checking always happens failed. Perhaps I'll try again. With this change, Clang can parse include/llvm/*.h! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86129 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05When instantiating a UnaryOperator, allow the resulting expression toDouglas Gregor
still be dependent or invoke an overloaded operator. Previously, we only supported builtin operators. BinaryOperator/CompoundAssignOperator didn't have this issue because we always built a CXXOperatorCallExpr node, even when name lookup didn't find any functions to save until instantiation time. Now, that code builds a BinaryOperator or CompoundAssignOperator rather than a CXXOperatorCallExpr, to save some space. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Make sure to grab CVR qualifiers from the canonical type. ARGH!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29We may need to instantiate a class template specialization as part of a ↵Douglas Gregor
derived-to-base pointer case git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85532 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Properly instantiate usage of overloaded operator []. Fixes PR5345.Sebastian Redl
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85524 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
2009-10-25Audit 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
2009-10-24Fix overload resolution when calling a member template or taking theDouglas Gregor
address of a member template when explicit template arguments are provided. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84991 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Migrate Sema::ActOnCallExpr to Sema::FixOverloadedFunctionReference,Douglas Gregor
so that we maintain better source information after template argument deduction and overloading resolves down to a specific declaration. Found and dealt with a few more cases that FixOverloadedFunctionReference didn't cope with. (Finally) added a test case that puts together this change with the DeclRefExpr change to (optionally) include nested-name-specifiers and explicit template argument lists. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84974 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Apply the special enum restrictions from [over.match.oper]p3b2 in ↵Sebastian Redl
argument-dependent lookup too. This fixes PR5244. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84963 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-23Eliminate QualifiedDeclRefExpr, which captured the notion of aDouglas Gregor
qualified reference to a declaration that is not a non-static data member or non-static member function, e.g., namespace N { int i; } int j = N::i; Instead, extend DeclRefExpr to optionally store the qualifier. Most clients won't see or care about the difference (since QualifierDeclRefExpr inherited DeclRefExpr). However, this reduces the number of top-level expression types that clients need to cope with, brings the implementation of DeclRefExpr into line with MemberExpr, and simplifies and unifies our handling of declaration references. Extended DeclRefExpr to (optionally) store explicitly-specified template arguments. This occurs when naming a declaration via a template-id (which will be stored in a TemplateIdRefExpr) that, following template argument deduction and (possibly) overload resolution, is replaced with a DeclRefExpr that refers to a template specialization but maintains the template arguments as written. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84962 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22When replacing a template-id expression with a declaration reference ↵Douglas Gregor
expression after overloading completes, make sure to keep the qualifier. Still not ready with that test-case... git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-21Don't (directly) call RequireCompleteType with an invalid source location.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84793 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-21Don't generate pointer types for void or base classes when findingDouglas Gregor
conversion types for builtin overloaded operator candidates; I misread this section in the standard the first time around. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84788 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-21Change FixOverloadedFunctionReference to return a (possibly new) expression. ↵Anders Carlsson
Substitute TemplateIdRefExprs with DeclRefExprs. Doug, plz review :) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-21Improve diagnostics and template instantiation behavior when callingDouglas Gregor
an overloaded function call operator. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84745 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Change ResolveAddressOfOverloadedFunction to support TemplateIdRefExpr. No ↵Anders Carlsson
testcase yet because FixOverloadedFunctionReference needs to be updated too. Doug, plz review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84693 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Moved comment to its proper place in my last patch.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84662 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Patch implements ranking conversions between member pointers [over.ics.rank]Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Remove default argument for ImpCastExprToType. Add appropriate argument Eli Friedman
to all callers. Switch a few other users of CK_Unknown to proper cast kinds. Note that there are still some situations where we end up with CK_Unknown; they're pretty easy to find with grep. There are still a few missing conversion kinds, specifically pointer/int/float->bool and the various combinations of real/complex float/int->real/complex float/int. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84623 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Builtin candidate minimization forFariborz Jahanian
<<=, >>= and the rest. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84568 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-19Add the built-in candidate set reduction hueristicFariborz Jahanian
to '+=', '-=', '*=' and '/=' builtin operators and fixes a logic bug exposed by doing this. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84538 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-19Copy conversion of an expression to its base classFariborz Jahanian
is a standard convesion and not a user-defined conversion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84525 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17When resolving the address of an overloaded function or function template, ↵Sebastian Redl
mark the result as referenced. The most important effect of this is that function templates only referenced by address expressions now get instantiated. This, in turn, means that Hello World compiles with the Apache stdcxx library even when using endl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84363 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17Don't add implicit casts of explicit address-taking of overloaded functions.Sebastian Redl
Taking the address of an overloaded function with an explicit address-of operator wrapped the operator in an implicit cast that added yet another pointer level, leaving us with a corrupted AST, which crashed CodeGen in the test case I've added. Fix this by making FixOverloadedFunctionReference return whether there was an address-of operator and not adding the implicit cast in that case. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84362 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16Patch to clean up and improve visual display ofFariborz Jahanian
builtin function ambiguity. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84289 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16Use VisibleQuals to control setting of Volatile/Restrict qualifiers onFariborz Jahanian
candidate types in BuiltinCandidateTypeSet::AddPointerWithMoreQualifiedTypeVariants further trimming the overload candidate set. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-15Apply heuristics to cut back on number of candidateFariborz Jahanian
sets of builtin operators. Currently, it is applied to '++' and '->*' operators. I need to apply it to others as well. Also, heuristics need be applied to BuiltinCandidateTypeSet::AddPointerWithMoreQualifiedTypeVariants. This is WIP. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84187 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-14Implement support for overloaded operator uses that result to a callDouglas Gregor
to a member operator template. We missed updating this call site when adding support for function templates; bug exposed by a test for PR5072. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13Check the return type of binary operators and the arrow operator.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84043 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13More return type checking.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84034 91177308-0d34-0410-b5e6-96231b3b80d8
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-05-05 03:30:40 +0000