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-rw-r--r--lib/Sema/SemaTemplate.cpp550
1 files changed, 270 insertions, 280 deletions
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index f121954eed6e..0fc83927b79c 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -9,20 +9,24 @@
// This file implements semantic analysis for C++ templates.
//===----------------------------------------------------------------------===/
-#include "Sema.h"
-#include "Lookup.h"
+#include "clang/Sema/SemaInternal.h"
+#include "clang/Sema/Lookup.h"
+#include "clang/Sema/Scope.h"
+#include "clang/Sema/Template.h"
+#include "clang/Sema/TemplateDeduction.h"
#include "TreeTransform.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/DeclFriend.h"
#include "clang/AST/DeclTemplate.h"
-#include "clang/Parse/DeclSpec.h"
-#include "clang/Parse/Template.h"
+#include "clang/Sema/DeclSpec.h"
+#include "clang/Sema/ParsedTemplate.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/PartialDiagnostic.h"
#include "llvm/ADT/StringExtras.h"
using namespace clang;
+using namespace sema;
/// \brief Determine whether the declaration found is acceptable as the name
/// of a template and, if so, return that template declaration. Otherwise,
@@ -88,8 +92,13 @@ static void FilterAcceptableTemplateNames(ASTContext &C, LookupResult &R) {
filter.erase();
continue;
}
-
- filter.replace(Repl);
+
+ // FIXME: we promote access to public here as a workaround to
+ // the fact that LookupResult doesn't let us remember that we
+ // found this template through a particular injected class name,
+ // which means we end up doing nasty things to the invariants.
+ // Pretending that access is public is *much* safer.
+ filter.replace(Repl, AS_public);
}
}
filter.done();
@@ -97,8 +106,9 @@ static void FilterAcceptableTemplateNames(ASTContext &C, LookupResult &R) {
TemplateNameKind Sema::isTemplateName(Scope *S,
CXXScopeSpec &SS,
+ bool hasTemplateKeyword,
UnqualifiedId &Name,
- TypeTy *ObjectTypePtr,
+ ParsedType ObjectTypePtr,
bool EnteringContext,
TemplateTy &TemplateResult,
bool &MemberOfUnknownSpecialization) {
@@ -125,15 +135,21 @@ TemplateNameKind Sema::isTemplateName(Scope *S,
return TNK_Non_template;
}
- QualType ObjectType = QualType::getFromOpaquePtr(ObjectTypePtr);
+ QualType ObjectType = ObjectTypePtr.get();
LookupResult R(*this, TName, Name.getSourceRange().getBegin(),
LookupOrdinaryName);
- R.suppressDiagnostics();
LookupTemplateName(R, S, SS, ObjectType, EnteringContext,
MemberOfUnknownSpecialization);
- if (R.empty() || R.isAmbiguous())
+ if (R.empty()) return TNK_Non_template;
+ if (R.isAmbiguous()) {
+ // Suppress diagnostics; we'll redo this lookup later.
+ R.suppressDiagnostics();
+
+ // FIXME: we might have ambiguous templates, in which case we
+ // should at least parse them properly!
return TNK_Non_template;
+ }
TemplateName Template;
TemplateNameKind TemplateKind;
@@ -144,20 +160,27 @@ TemplateNameKind Sema::isTemplateName(Scope *S,
// template name in other ways.
Template = Context.getOverloadedTemplateName(R.begin(), R.end());
TemplateKind = TNK_Function_template;
+
+ // We'll do this lookup again later.
+ R.suppressDiagnostics();
} else {
TemplateDecl *TD = cast<TemplateDecl>((*R.begin())->getUnderlyingDecl());
if (SS.isSet() && !SS.isInvalid()) {
NestedNameSpecifier *Qualifier
= static_cast<NestedNameSpecifier *>(SS.getScopeRep());
- Template = Context.getQualifiedTemplateName(Qualifier, false, TD);
+ Template = Context.getQualifiedTemplateName(Qualifier,
+ hasTemplateKeyword, TD);
} else {
Template = TemplateName(TD);
}
- if (isa<FunctionTemplateDecl>(TD))
+ if (isa<FunctionTemplateDecl>(TD)) {
TemplateKind = TNK_Function_template;
- else {
+
+ // We'll do this lookup again later.
+ R.suppressDiagnostics();
+ } else {
assert(isa<ClassTemplateDecl>(TD) || isa<TemplateTemplateParmDecl>(TD));
TemplateKind = TNK_Type_template;
}
@@ -238,13 +261,10 @@ void Sema::LookupTemplateName(LookupResult &Found,
// expression. If the identifier is not found, it is then looked up in
// the context of the entire postfix-expression and shall name a class
// or function template.
- //
- // FIXME: When we're instantiating a template, do we actually have to
- // look in the scope of the template? Seems fishy...
if (S) LookupName(Found, S);
ObjectTypeSearchedInScope = true;
}
- } else if (isDependent) {
+ } else if (isDependent && (!S || ObjectType.isNull())) {
// We cannot look into a dependent object type or nested nme
// specifier.
MemberOfUnknownSpecialization = true;
@@ -282,8 +302,11 @@ void Sema::LookupTemplateName(LookupResult &Found,
}
FilterAcceptableTemplateNames(Context, Found);
- if (Found.empty())
+ if (Found.empty()) {
+ if (isDependent)
+ MemberOfUnknownSpecialization = true;
return;
+ }
if (S && !ObjectType.isNull() && !ObjectTypeSearchedInScope) {
// C++ [basic.lookup.classref]p1:
@@ -330,10 +353,9 @@ void Sema::LookupTemplateName(LookupResult &Found,
/// ActOnDependentIdExpression - Handle a dependent id-expression that
/// was just parsed. This is only possible with an explicit scope
/// specifier naming a dependent type.
-Sema::OwningExprResult
+ExprResult
Sema::ActOnDependentIdExpression(const CXXScopeSpec &SS,
- DeclarationName Name,
- SourceLocation NameLoc,
+ const DeclarationNameInfo &NameInfo,
bool isAddressOfOperand,
const TemplateArgumentListInfo *TemplateArgs) {
NestedNameSpecifier *Qualifier
@@ -356,22 +378,21 @@ Sema::ActOnDependentIdExpression(const CXXScopeSpec &SS,
/*Op*/ SourceLocation(),
Qualifier, SS.getRange(),
FirstQualifierInScope,
- Name, NameLoc,
+ NameInfo,
TemplateArgs));
}
- return BuildDependentDeclRefExpr(SS, Name, NameLoc, TemplateArgs);
+ return BuildDependentDeclRefExpr(SS, NameInfo, TemplateArgs);
}
-Sema::OwningExprResult
+ExprResult
Sema::BuildDependentDeclRefExpr(const CXXScopeSpec &SS,
- DeclarationName Name,
- SourceLocation NameLoc,
+ const DeclarationNameInfo &NameInfo,
const TemplateArgumentListInfo *TemplateArgs) {
return Owned(DependentScopeDeclRefExpr::Create(Context,
static_cast<NestedNameSpecifier*>(SS.getScopeRep()),
SS.getRange(),
- Name, NameLoc,
+ NameInfo,
TemplateArgs));
}
@@ -398,9 +419,9 @@ bool Sema::DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl) {
/// AdjustDeclIfTemplate - If the given decl happens to be a template, reset
/// the parameter D to reference the templated declaration and return a pointer
/// to the template declaration. Otherwise, do nothing to D and return null.
-TemplateDecl *Sema::AdjustDeclIfTemplate(DeclPtrTy &D) {
- if (TemplateDecl *Temp = dyn_cast_or_null<TemplateDecl>(D.getAs<Decl>())) {
- D = DeclPtrTy::make(Temp->getTemplatedDecl());
+TemplateDecl *Sema::AdjustDeclIfTemplate(Decl *&D) {
+ if (TemplateDecl *Temp = dyn_cast_or_null<TemplateDecl>(D)) {
+ D = Temp->getTemplatedDecl();
return Temp;
}
return 0;
@@ -424,8 +445,7 @@ static TemplateArgumentLoc translateTemplateArgument(Sema &SemaRef,
}
case ParsedTemplateArgument::Template: {
- TemplateName Template
- = TemplateName::getFromVoidPointer(Arg.getAsTemplate().get());
+ TemplateName Template = Arg.getAsTemplate().get();
return TemplateArgumentLoc(TemplateArgument(Template),
Arg.getScopeSpec().getRange(),
Arg.getLocation());
@@ -454,14 +474,14 @@ void Sema::translateTemplateArguments(const ASTTemplateArgsPtr &TemplateArgsIn,
/// ParamName is the location of the parameter name (if any).
/// If the type parameter has a default argument, it will be added
/// later via ActOnTypeParameterDefault.
-Sema::DeclPtrTy Sema::ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis,
- SourceLocation EllipsisLoc,
- SourceLocation KeyLoc,
- IdentifierInfo *ParamName,
- SourceLocation ParamNameLoc,
- unsigned Depth, unsigned Position,
- SourceLocation EqualLoc,
- TypeTy *DefaultArg) {
+Decl *Sema::ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis,
+ SourceLocation EllipsisLoc,
+ SourceLocation KeyLoc,
+ IdentifierInfo *ParamName,
+ SourceLocation ParamNameLoc,
+ unsigned Depth, unsigned Position,
+ SourceLocation EqualLoc,
+ ParsedType DefaultArg) {
assert(S->isTemplateParamScope() &&
"Template type parameter not in template parameter scope!");
bool Invalid = false;
@@ -488,7 +508,7 @@ Sema::DeclPtrTy Sema::ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis,
if (ParamName) {
// Add the template parameter into the current scope.
- S->AddDecl(DeclPtrTy::make(Param));
+ S->AddDecl(Param);
IdResolver.AddDecl(Param);
}
@@ -504,19 +524,19 @@ Sema::DeclPtrTy Sema::ActOnTypeParameter(Scope *S, bool Typename, bool Ellipsis,
// template-parameter that is not a template parameter pack.
if (Ellipsis) {
Diag(EqualLoc, diag::err_template_param_pack_default_arg);
- return DeclPtrTy::make(Param);
+ return Param;
}
// Check the template argument itself.
if (CheckTemplateArgument(Param, DefaultTInfo)) {
Param->setInvalidDecl();
- return DeclPtrTy::make(Param);;
+ return Param;
}
Param->setDefaultArgument(DefaultTInfo, false);
}
- return DeclPtrTy::make(Param);
+ return Param;
}
/// \brief Check that the type of a non-type template parameter is
@@ -542,9 +562,7 @@ Sema::CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc) {
// -- integral or enumeration type,
if (T->isIntegralOrEnumerationType() ||
// -- pointer to object or pointer to function,
- (T->isPointerType() &&
- (T->getAs<PointerType>()->getPointeeType()->isObjectType() ||
- T->getAs<PointerType>()->getPointeeType()->isFunctionType())) ||
+ T->isPointerType() ||
// -- reference to object or reference to function,
T->isReferenceType() ||
// -- pointer to member.
@@ -571,11 +589,11 @@ Sema::CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc) {
return QualType();
}
-Sema::DeclPtrTy Sema::ActOnNonTypeTemplateParameter(Scope *S, Declarator &D,
- unsigned Depth,
- unsigned Position,
- SourceLocation EqualLoc,
- ExprArg DefaultArg) {
+Decl *Sema::ActOnNonTypeTemplateParameter(Scope *S, Declarator &D,
+ unsigned Depth,
+ unsigned Position,
+ SourceLocation EqualLoc,
+ Expr *Default) {
TypeSourceInfo *TInfo = GetTypeForDeclarator(D, S);
QualType T = TInfo->getType();
@@ -608,35 +626,35 @@ Sema::DeclPtrTy Sema::ActOnNonTypeTemplateParameter(Scope *S, Declarator &D,
if (D.getIdentifier()) {
// Add the template parameter into the current scope.
- S->AddDecl(DeclPtrTy::make(Param));
+ S->AddDecl(Param);
IdResolver.AddDecl(Param);
}
// Check the well-formedness of the default template argument, if provided.
- if (Expr *Default = static_cast<Expr *>(DefaultArg.get())) {
+ if (Default) {
TemplateArgument Converted;
if (CheckTemplateArgument(Param, Param->getType(), Default, Converted)) {
Param->setInvalidDecl();
- return DeclPtrTy::make(Param);;
+ return Param;
}
- Param->setDefaultArgument(DefaultArg.takeAs<Expr>(), false);
+ Param->setDefaultArgument(Default, false);
}
- return DeclPtrTy::make(Param);
+ return Param;
}
/// ActOnTemplateTemplateParameter - Called when a C++ template template
/// parameter (e.g. T in template <template <typename> class T> class array)
/// has been parsed. S is the current scope.
-Sema::DeclPtrTy Sema::ActOnTemplateTemplateParameter(Scope* S,
- SourceLocation TmpLoc,
- TemplateParamsTy *Params,
- IdentifierInfo *Name,
- SourceLocation NameLoc,
- unsigned Depth,
- unsigned Position,
- SourceLocation EqualLoc,
+Decl *Sema::ActOnTemplateTemplateParameter(Scope* S,
+ SourceLocation TmpLoc,
+ TemplateParamsTy *Params,
+ IdentifierInfo *Name,
+ SourceLocation NameLoc,
+ unsigned Depth,
+ unsigned Position,
+ SourceLocation EqualLoc,
const ParsedTemplateArgument &Default) {
assert(S->isTemplateParamScope() &&
"Template template parameter not in template parameter scope!");
@@ -644,13 +662,14 @@ Sema::DeclPtrTy Sema::ActOnTemplateTemplateParameter(Scope* S,
// Construct the parameter object.
TemplateTemplateParmDecl *Param =
TemplateTemplateParmDecl::Create(Context, Context.getTranslationUnitDecl(),
- TmpLoc, Depth, Position, Name,
+ NameLoc.isInvalid()? TmpLoc : NameLoc,
+ Depth, Position, Name,
(TemplateParameterList*)Params);
// If the template template parameter has a name, then link the identifier
// into the scope and lookup mechanisms.
if (Name) {
- S->AddDecl(DeclPtrTy::make(Param));
+ S->AddDecl(Param);
IdResolver.AddDecl(Param);
}
@@ -667,13 +686,13 @@ Sema::DeclPtrTy Sema::ActOnTemplateTemplateParameter(Scope* S,
if (DefaultArg.getArgument().getAsTemplate().isNull()) {
Diag(DefaultArg.getLocation(), diag::err_template_arg_not_class_template)
<< DefaultArg.getSourceRange();
- return DeclPtrTy::make(Param);
+ return Param;
}
Param->setDefaultArgument(DefaultArg, false);
}
- return DeclPtrTy::make(Param);
+ return Param;
}
/// ActOnTemplateParameterList - Builds a TemplateParameterList that
@@ -683,7 +702,7 @@ Sema::ActOnTemplateParameterList(unsigned Depth,
SourceLocation ExportLoc,
SourceLocation TemplateLoc,
SourceLocation LAngleLoc,
- DeclPtrTy *Params, unsigned NumParams,
+ Decl **Params, unsigned NumParams,
SourceLocation RAngleLoc) {
if (ExportLoc.isValid())
Diag(ExportLoc, diag::warn_template_export_unsupported);
@@ -699,7 +718,7 @@ static void SetNestedNameSpecifier(TagDecl *T, const CXXScopeSpec &SS) {
SS.getRange());
}
-Sema::DeclResult
+DeclResult
Sema::CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK,
SourceLocation KWLoc, CXXScopeSpec &SS,
IdentifierInfo *Name, SourceLocation NameLoc,
@@ -922,7 +941,7 @@ Sema::CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK,
// Friend templates are visible in fairly strange ways.
if (!CurContext->isDependentContext()) {
- DeclContext *DC = SemanticContext->getLookupContext();
+ DeclContext *DC = SemanticContext->getRedeclContext();
DC->makeDeclVisibleInContext(NewTemplate, /* Recoverable = */ false);
if (Scope *EnclosingScope = getScopeForDeclContext(S, DC))
PushOnScopeChains(NewTemplate, EnclosingScope,
@@ -941,7 +960,7 @@ Sema::CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK,
NewTemplate->setInvalidDecl();
NewClass->setInvalidDecl();
}
- return DeclPtrTy::make(NewTemplate);
+ return NewTemplate;
}
/// \brief Diagnose the presence of a default template argument on a
@@ -1102,7 +1121,6 @@ bool Sema::CheckTemplateParameterList(TemplateParameterList *NewParams,
DiagnoseDefaultTemplateArgument(*this, TPC,
NewNonTypeParm->getLocation(),
NewNonTypeParm->getDefaultArgument()->getSourceRange())) {
- NewNonTypeParm->getDefaultArgument()->Destroy(Context);
NewNonTypeParm->removeDefaultArgument();
}
@@ -1477,14 +1495,10 @@ QualType Sema::CheckTemplateIdType(TemplateName Name,
= dyn_cast<ClassTemplateDecl>(Template)) {
// Find the class template specialization declaration that
// corresponds to these arguments.
- llvm::FoldingSetNodeID ID;
- ClassTemplateSpecializationDecl::Profile(ID,
- Converted.getFlatArguments(),
- Converted.flatSize(),
- Context);
void *InsertPos = 0;
ClassTemplateSpecializationDecl *Decl
- = ClassTemplate->getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
+ = ClassTemplate->findSpecialization(Converted.getFlatArguments(),
+ Converted.flatSize(), InsertPos);
if (!Decl) {
// This is the first time we have referenced this class template
// specialization. Create the canonical declaration and add it to
@@ -1495,7 +1509,7 @@ QualType Sema::CheckTemplateIdType(TemplateName Name,
ClassTemplate->getLocation(),
ClassTemplate,
Converted, 0);
- ClassTemplate->getSpecializations().InsertNode(Decl, InsertPos);
+ ClassTemplate->AddSpecialization(Decl, InsertPos);
Decl->setLexicalDeclContext(CurContext);
}
@@ -1510,7 +1524,7 @@ QualType Sema::CheckTemplateIdType(TemplateName Name,
return Context.getTemplateSpecializationType(Name, TemplateArgs, CanonType);
}
-Action::TypeResult
+TypeResult
Sema::ActOnTemplateIdType(TemplateTy TemplateD, SourceLocation TemplateLoc,
SourceLocation LAngleLoc,
ASTTemplateArgsPtr TemplateArgsIn,
@@ -1536,15 +1550,15 @@ Sema::ActOnTemplateIdType(TemplateTy TemplateD, SourceLocation TemplateLoc,
for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i)
TL.setArgLocInfo(i, TemplateArgs[i].getLocInfo());
- return CreateLocInfoType(Result, DI).getAsOpaquePtr();
+ return CreateParsedType(Result, DI);
}
-Sema::TypeResult Sema::ActOnTagTemplateIdType(TypeResult TypeResult,
- TagUseKind TUK,
- DeclSpec::TST TagSpec,
- SourceLocation TagLoc) {
+TypeResult Sema::ActOnTagTemplateIdType(TypeResult TypeResult,
+ TagUseKind TUK,
+ TypeSpecifierType TagSpec,
+ SourceLocation TagLoc) {
if (TypeResult.isInvalid())
- return Sema::TypeResult();
+ return ::TypeResult();
// FIXME: preserve source info, ideally without copying the DI.
TypeSourceInfo *DI;
@@ -1571,10 +1585,10 @@ Sema::TypeResult Sema::ActOnTagTemplateIdType(TypeResult TypeResult,
= TypeWithKeyword::getKeywordForTagTypeKind(TagKind);
QualType ElabType = Context.getElaboratedType(Keyword, /*NNS=*/0, Type);
- return ElabType.getAsOpaquePtr();
+ return ParsedType::make(ElabType);
}
-Sema::OwningExprResult Sema::BuildTemplateIdExpr(const CXXScopeSpec &SS,
+ExprResult Sema::BuildTemplateIdExpr(const CXXScopeSpec &SS,
LookupResult &R,
bool RequiresADL,
const TemplateArgumentListInfo &TemplateArgs) {
@@ -1603,7 +1617,7 @@ Sema::OwningExprResult Sema::BuildTemplateIdExpr(const CXXScopeSpec &SS,
UnresolvedLookupExpr *ULE
= UnresolvedLookupExpr::Create(Context, Dependent, R.getNamingClass(),
Qualifier, QualifierRange,
- R.getLookupName(), R.getNameLoc(),
+ R.getLookupNameInfo(),
RequiresADL, TemplateArgs,
R.begin(), R.end());
@@ -1611,19 +1625,18 @@ Sema::OwningExprResult Sema::BuildTemplateIdExpr(const CXXScopeSpec &SS,
}
// We actually only call this from template instantiation.
-Sema::OwningExprResult
+ExprResult
Sema::BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS,
- DeclarationName Name,
- SourceLocation NameLoc,
+ const DeclarationNameInfo &NameInfo,
const TemplateArgumentListInfo &TemplateArgs) {
DeclContext *DC;
if (!(DC = computeDeclContext(SS, false)) ||
DC->isDependentContext() ||
RequireCompleteDeclContext(SS, DC))
- return BuildDependentDeclRefExpr(SS, Name, NameLoc, &TemplateArgs);
+ return BuildDependentDeclRefExpr(SS, NameInfo, &TemplateArgs);
bool MemberOfUnknownSpecialization;
- LookupResult R(*this, Name, NameLoc, LookupOrdinaryName);
+ LookupResult R(*this, NameInfo, LookupOrdinaryName);
LookupTemplateName(R, (Scope*) 0, SS, QualType(), /*Entering*/ false,
MemberOfUnknownSpecialization);
@@ -1631,14 +1644,15 @@ Sema::BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS,
return ExprError();
if (R.empty()) {
- Diag(NameLoc, diag::err_template_kw_refers_to_non_template)
- << Name << SS.getRange();
+ Diag(NameInfo.getLoc(), diag::err_template_kw_refers_to_non_template)
+ << NameInfo.getName() << SS.getRange();
return ExprError();
}
if (ClassTemplateDecl *Temp = R.getAsSingle<ClassTemplateDecl>()) {
- Diag(NameLoc, diag::err_template_kw_refers_to_class_template)
- << (NestedNameSpecifier*) SS.getScopeRep() << Name << SS.getRange();
+ Diag(NameInfo.getLoc(), diag::err_template_kw_refers_to_class_template)
+ << (NestedNameSpecifier*) SS.getScopeRep()
+ << NameInfo.getName() << SS.getRange();
Diag(Temp->getLocation(), diag::note_referenced_class_template);
return ExprError();
}
@@ -1657,7 +1671,7 @@ TemplateNameKind Sema::ActOnDependentTemplateName(Scope *S,
SourceLocation TemplateKWLoc,
CXXScopeSpec &SS,
UnqualifiedId &Name,
- TypeTy *ObjectType,
+ ParsedType ObjectType,
bool EnteringContext,
TemplateTy &Result) {
if (TemplateKWLoc.isValid() && S && !S->getTemplateParamParent() &&
@@ -1669,7 +1683,7 @@ TemplateNameKind Sema::ActOnDependentTemplateName(Scope *S,
if (SS.isSet())
LookupCtx = computeDeclContext(SS, EnteringContext);
if (!LookupCtx && ObjectType)
- LookupCtx = computeDeclContext(QualType::getFromOpaquePtr(ObjectType));
+ LookupCtx = computeDeclContext(ObjectType.get());
if (LookupCtx) {
// C++0x [temp.names]p5:
// If a name prefixed by the keyword template is not the name of
@@ -1688,8 +1702,8 @@ TemplateNameKind Sema::ActOnDependentTemplateName(Scope *S,
// "template" keyword is now permitted). We follow the C++0x
// rules, even in C++03 mode with a warning, retroactively applying the DR.
bool MemberOfUnknownSpecialization;
- TemplateNameKind TNK = isTemplateName(0, SS, Name, ObjectType,
- EnteringContext, Result,
+ TemplateNameKind TNK = isTemplateName(0, SS, TemplateKWLoc.isValid(), Name,
+ ObjectType, EnteringContext, Result,
MemberOfUnknownSpecialization);
if (TNK == TNK_Non_template && LookupCtx->isDependentContext() &&
isa<CXXRecordDecl>(LookupCtx) &&
@@ -1698,7 +1712,7 @@ TemplateNameKind Sema::ActOnDependentTemplateName(Scope *S,
} else if (TNK == TNK_Non_template) {
Diag(Name.getSourceRange().getBegin(),
diag::err_template_kw_refers_to_non_template)
- << GetNameFromUnqualifiedId(Name)
+ << GetNameFromUnqualifiedId(Name).getName()
<< Name.getSourceRange()
<< TemplateKWLoc;
return TNK_Non_template;
@@ -1731,7 +1745,7 @@ TemplateNameKind Sema::ActOnDependentTemplateName(Scope *S,
Diag(Name.getSourceRange().getBegin(),
diag::err_template_kw_refers_to_non_template)
- << GetNameFromUnqualifiedId(Name)
+ << GetNameFromUnqualifiedId(Name).getName()
<< Name.getSourceRange()
<< TemplateKWLoc;
return TNK_Non_template;
@@ -1856,7 +1870,7 @@ SubstDefaultTemplateArgument(Sema &SemaRef,
/// parameters that precede \p Param in the template parameter list.
///
/// \returns the substituted template argument, or NULL if an error occurred.
-static Sema::OwningExprResult
+static ExprResult
SubstDefaultTemplateArgument(Sema &SemaRef,
TemplateDecl *Template,
SourceLocation TemplateLoc,
@@ -1952,7 +1966,7 @@ Sema::SubstDefaultTemplateArgumentIfAvailable(TemplateDecl *Template,
if (!NonTypeParm->hasDefaultArgument())
return TemplateArgumentLoc();
- OwningExprResult Arg = SubstDefaultTemplateArgument(*this, Template,
+ ExprResult Arg = SubstDefaultTemplateArgument(*this, Template,
TemplateLoc,
RAngleLoc,
NonTypeParm,
@@ -2052,12 +2066,15 @@ bool Sema::CheckTemplateArgument(NamedDecl *Param,
// We have a template argument such as \c T::template X, which we
// parsed as a template template argument. However, since we now
// know that we need a non-type template argument, convert this
- // template name into an expression.
+ // template name into an expression.
+
+ DeclarationNameInfo NameInfo(DTN->getIdentifier(),
+ Arg.getTemplateNameLoc());
+
Expr *E = DependentScopeDeclRefExpr::Create(Context,
DTN->getQualifier(),
Arg.getTemplateQualifierRange(),
- DTN->getIdentifier(),
- Arg.getTemplateNameLoc());
+ NameInfo);
TemplateArgument Result;
if (CheckTemplateArgument(NTTP, NTTPType, E, Result))
@@ -2272,7 +2289,7 @@ bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
break;
}
- Sema::OwningExprResult E = SubstDefaultTemplateArgument(*this, Template,
+ ExprResult E = SubstDefaultTemplateArgument(*this, Template,
TemplateLoc,
RAngleLoc,
NTTP,
@@ -2330,31 +2347,33 @@ bool Sema::CheckTemplateArgument(TemplateTypeParmDecl *Param,
assert(ArgInfo && "invalid TypeSourceInfo");
QualType Arg = ArgInfo->getType();
- // C++ [temp.arg.type]p2:
+ // C++03 [temp.arg.type]p2:
// A local type, a type with no linkage, an unnamed type or a type
// compounded from any of these types shall not be used as a
// template-argument for a template type-parameter.
- //
- // FIXME: Perform the unnamed type check.
+ // C++0x allows these, and even in C++03 we allow them as an extension with
+ // a warning.
SourceRange SR = ArgInfo->getTypeLoc().getSourceRange();
- const TagType *Tag = 0;
- if (const EnumType *EnumT = Arg->getAs<EnumType>())
- Tag = EnumT;
- else if (const RecordType *RecordT = Arg->getAs<RecordType>())
- Tag = RecordT;
- if (Tag && Tag->getDecl()->getDeclContext()->isFunctionOrMethod()) {
- SourceRange SR = ArgInfo->getTypeLoc().getSourceRange();
- return Diag(SR.getBegin(), diag::err_template_arg_local_type)
- << QualType(Tag, 0) << SR;
- } else if (Tag && !Tag->getDecl()->getDeclName() &&
- !Tag->getDecl()->getTypedefForAnonDecl()) {
- Diag(SR.getBegin(), diag::err_template_arg_unnamed_type) << SR;
- Diag(Tag->getDecl()->getLocation(), diag::note_template_unnamed_type_here);
- return true;
- } else if (Arg->isVariablyModifiedType()) {
- Diag(SR.getBegin(), diag::err_variably_modified_template_arg)
- << Arg;
- return true;
+ if (!LangOpts.CPlusPlus0x) {
+ const TagType *Tag = 0;
+ if (const EnumType *EnumT = Arg->getAs<EnumType>())
+ Tag = EnumT;
+ else if (const RecordType *RecordT = Arg->getAs<RecordType>())
+ Tag = RecordT;
+ if (Tag && Tag->getDecl()->getDeclContext()->isFunctionOrMethod()) {
+ SourceRange SR = ArgInfo->getTypeLoc().getSourceRange();
+ Diag(SR.getBegin(), diag::ext_template_arg_local_type)
+ << QualType(Tag, 0) << SR;
+ } else if (Tag && !Tag->getDecl()->getDeclName() &&
+ !Tag->getDecl()->getTypedefForAnonDecl()) {
+ Diag(SR.getBegin(), diag::ext_template_arg_unnamed_type) << SR;
+ Diag(Tag->getDecl()->getLocation(),
+ diag::note_template_unnamed_type_here);
+ }
+ }
+
+ if (Arg->isVariablyModifiedType()) {
+ return Diag(SR.getBegin(), diag::err_variably_modified_template_arg) << Arg;
} else if (Context.hasSameUnqualifiedType(Arg, Context.OverloadTy)) {
return Diag(SR.getBegin(), diag::err_template_arg_overload_type) << SR;
}
@@ -2406,7 +2425,7 @@ CheckTemplateArgumentAddressOfObjectOrFunction(Sema &S,
bool AddressTaken = false;
SourceLocation AddrOpLoc;
if (UnaryOperator *UnOp = dyn_cast<UnaryOperator>(Arg)) {
- if (UnOp->getOpcode() == UnaryOperator::AddrOf) {
+ if (UnOp->getOpcode() == UO_AddrOf) {
DRE = dyn_cast<DeclRefExpr>(UnOp->getSubExpr());
AddressTaken = true;
AddrOpLoc = UnOp->getOperatorLoc();
@@ -2653,7 +2672,7 @@ bool Sema::CheckTemplateArgumentPointerToMember(Expr *Arg,
// A pointer-to-member constant written &Class::member.
if (UnaryOperator *UnOp = dyn_cast<UnaryOperator>(Arg)) {
- if (UnOp->getOpcode() == UnaryOperator::AddrOf) {
+ if (UnOp->getOpcode() == UO_AddrOf) {
DRE = dyn_cast<DeclRefExpr>(UnOp->getSubExpr());
if (DRE && !DRE->getQualifier())
DRE = 0;
@@ -2788,7 +2807,7 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
} else if (IsIntegralPromotion(Arg, ArgType, ParamType) ||
!ParamType->isEnumeralType()) {
// This is an integral promotion or conversion.
- ImpCastExprToType(Arg, ParamType, CastExpr::CK_IntegralCast);
+ ImpCastExprToType(Arg, ParamType, CK_IntegralCast);
} else {
// We can't perform this conversion.
Diag(Arg->getSourceRange().getBegin(),
@@ -2909,8 +2928,7 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
Arg, Converted);
if (IsQualificationConversion(ArgType, ParamType.getNonReferenceType())) {
- ImpCastExprToType(Arg, ParamType, CastExpr::CK_NoOp,
- Arg->isLvalue(Context) == Expr::LV_Valid);
+ ImpCastExprToType(Arg, ParamType, CK_NoOp, CastCategory(Arg));
} else if (!Context.hasSameUnqualifiedType(ArgType,
ParamType.getNonReferenceType())) {
// We can't perform this conversion.
@@ -2929,7 +2947,7 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
// object, qualification conversions (4.4) and the
// array-to-pointer conversion (4.2) are applied.
// C++0x also allows a value of std::nullptr_t.
- assert(ParamType->getAs<PointerType>()->getPointeeType()->isObjectType() &&
+ assert(ParamType->getPointeeType()->isIncompleteOrObjectType() &&
"Only object pointers allowed here");
return CheckTemplateArgumentAddressOfObjectOrFunction(*this, Param,
@@ -2944,7 +2962,7 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
// identical) type of the template-argument. The
// template-parameter is bound directly to the
// template-argument, which must be an lvalue.
- assert(ParamRefType->getPointeeType()->isObjectType() &&
+ assert(ParamRefType->getPointeeType()->isIncompleteOrObjectType() &&
"Only object references allowed here");
if (Arg->getType() == Context.OverloadTy) {
@@ -2973,8 +2991,7 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
if (Context.hasSameUnqualifiedType(ParamType, ArgType)) {
// Types match exactly: nothing more to do here.
} else if (IsQualificationConversion(ArgType, ParamType)) {
- ImpCastExprToType(Arg, ParamType, CastExpr::CK_NoOp,
- Arg->isLvalue(Context) == Expr::LV_Valid);
+ ImpCastExprToType(Arg, ParamType, CK_NoOp, CastCategory(Arg));
} else {
// We can't perform this conversion.
Diag(Arg->getSourceRange().getBegin(),
@@ -3033,7 +3050,7 @@ bool Sema::CheckTemplateArgument(TemplateTemplateParmDecl *Param,
/// declaration and the type of its corresponding non-type template
/// parameter, produce an expression that properly refers to that
/// declaration.
-Sema::OwningExprResult
+ExprResult
Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
QualType ParamType,
SourceLocation Loc) {
@@ -3052,17 +3069,18 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
QualType ClassType
= Context.getTypeDeclType(cast<RecordDecl>(VD->getDeclContext()));
NestedNameSpecifier *Qualifier
- = NestedNameSpecifier::Create(Context, 0, false, ClassType.getTypePtr());
+ = NestedNameSpecifier::Create(Context, 0, false,
+ ClassType.getTypePtr());
CXXScopeSpec SS;
SS.setScopeRep(Qualifier);
- OwningExprResult RefExpr = BuildDeclRefExpr(VD,
+ ExprResult RefExpr = BuildDeclRefExpr(VD,
VD->getType().getNonReferenceType(),
Loc,
&SS);
if (RefExpr.isInvalid())
return ExprError();
- RefExpr = CreateBuiltinUnaryOp(Loc, UnaryOperator::AddrOf, move(RefExpr));
+ RefExpr = CreateBuiltinUnaryOp(Loc, UO_AddrOf, RefExpr.get());
// We might need to perform a trailing qualification conversion, since
// the element type on the parameter could be more qualified than the
@@ -3070,8 +3088,7 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
if (IsQualificationConversion(((Expr*) RefExpr.get())->getType(),
ParamType.getUnqualifiedType())) {
Expr *RefE = RefExpr.takeAs<Expr>();
- ImpCastExprToType(RefE, ParamType.getUnqualifiedType(),
- CastExpr::CK_NoOp);
+ ImpCastExprToType(RefE, ParamType.getUnqualifiedType(), CK_NoOp);
RefExpr = Owned(RefE);
}
@@ -3086,7 +3103,7 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
if (ParamType->isPointerType()) {
// When the non-type template parameter is a pointer, take the
// address of the declaration.
- OwningExprResult RefExpr = BuildDeclRefExpr(VD, T, Loc);
+ ExprResult RefExpr = BuildDeclRefExpr(VD, T, Loc);
if (RefExpr.isInvalid())
return ExprError();
@@ -3103,7 +3120,7 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
}
// Take the address of everything else
- return CreateBuiltinUnaryOp(Loc, UnaryOperator::AddrOf, move(RefExpr));
+ return CreateBuiltinUnaryOp(Loc, UO_AddrOf, RefExpr.get());
}
// If the non-type template parameter has reference type, qualify the
@@ -3122,7 +3139,7 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
/// This routine takes care of the mapping from an integral template
/// argument (which may have any integral type) to the appropriate
/// literal value.
-Sema::OwningExprResult
+ExprResult
Sema::BuildExpressionFromIntegralTemplateArgument(const TemplateArgument &Arg,
SourceLocation Loc) {
assert(Arg.getKind() == TemplateArgument::Integral &&
@@ -3140,7 +3157,7 @@ Sema::BuildExpressionFromIntegralTemplateArgument(const TemplateArgument &Arg,
T,
Loc));
- return Owned(new (Context) IntegerLiteral(*Arg.getAsIntegral(), T, Loc));
+ return Owned(IntegerLiteral::Create(Context, *Arg.getAsIntegral(), T, Loc));
}
@@ -3401,7 +3418,7 @@ static bool CheckTemplateSpecializationScope(Sema &S,
// the explicit specialization was declared, or in a namespace
// that encloses the one in which the explicit specialization was
// declared.
- if (S.CurContext->getLookupContext()->isFunctionOrMethod()) {
+ if (S.CurContext->getRedeclContext()->isFunctionOrMethod()) {
S.Diag(Loc, diag::err_template_spec_decl_function_scope)
<< Specialized;
return true;
@@ -3426,8 +3443,8 @@ static bool CheckTemplateSpecializationScope(Sema &S,
getTemplateSpecializationKind(PrevDecl) == TSK_ImplicitInstantiation)){
// There is no prior declaration of this entity, so this
// specialization must be in the same context as the template
- // itself.
- if (!DC->Equals(SpecializedContext)) {
+ // itself, or in the enclosing namespace set.
+ if (!DC->InEnclosingNamespaceSetOf(SpecializedContext)) {
if (isa<TranslationUnitDecl>(SpecializedContext))
S.Diag(Loc, diag::err_template_spec_decl_out_of_scope_global)
<< EntityKind << Specialized;
@@ -3597,7 +3614,7 @@ static NamedDecl *getPreviousDecl(NamedDecl *ND) {
return 0;
}
-Sema::DeclResult
+DeclResult
Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
TagUseKind TUK,
SourceLocation KWLoc,
@@ -3666,7 +3683,6 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
diag::err_default_arg_in_partial_spec)
<< DefArg->getSourceRange();
NTTP->removeDefaultArgument();
- DefArg->Destroy(Context);
}
} else {
TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(Param);
@@ -3729,7 +3745,6 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
// Find the class template (partial) specialization declaration that
// corresponds to these arguments.
- llvm::FoldingSetNodeID ID;
if (isPartialSpecialization) {
bool MirrorsPrimaryTemplate;
if (CheckClassTemplatePartialSpecializationArgs(
@@ -3762,30 +3777,22 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
Diag(TemplateNameLoc, diag::err_partial_spec_fully_specialized)
<< ClassTemplate->getDeclName();
isPartialSpecialization = false;
- } else {
- // FIXME: Template parameter list matters, too
- ClassTemplatePartialSpecializationDecl::Profile(ID,
- Converted.getFlatArguments(),
- Converted.flatSize(),
- Context);
}
}
-
- if (!isPartialSpecialization)
- ClassTemplateSpecializationDecl::Profile(ID,
- Converted.getFlatArguments(),
- Converted.flatSize(),
- Context);
+
void *InsertPos = 0;
ClassTemplateSpecializationDecl *PrevDecl = 0;
if (isPartialSpecialization)
+ // FIXME: Template parameter list matters, too
PrevDecl
- = ClassTemplate->getPartialSpecializations().FindNodeOrInsertPos(ID,
- InsertPos);
+ = ClassTemplate->findPartialSpecialization(Converted.getFlatArguments(),
+ Converted.flatSize(),
+ InsertPos);
else
PrevDecl
- = ClassTemplate->getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
+ = ClassTemplate->findSpecialization(Converted.getFlatArguments(),
+ Converted.flatSize(), InsertPos);
ClassTemplateSpecializationDecl *Specialization = 0;
@@ -3823,7 +3830,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
ClassTemplatePartialSpecializationDecl *PrevPartial
= cast_or_null<ClassTemplatePartialSpecializationDecl>(PrevDecl);
unsigned SequenceNumber = PrevPartial? PrevPartial->getSequenceNumber()
- : ClassTemplate->getPartialSpecializations().size();
+ : ClassTemplate->getNextPartialSpecSequenceNumber();
ClassTemplatePartialSpecializationDecl *Partial
= ClassTemplatePartialSpecializationDecl::Create(Context, Kind,
ClassTemplate->getDeclContext(),
@@ -3836,18 +3843,14 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
PrevPartial,
SequenceNumber);
SetNestedNameSpecifier(Partial, SS);
- if (NumMatchedTemplateParamLists > 0) {
+ if (NumMatchedTemplateParamLists > 0 && SS.isSet()) {
Partial->setTemplateParameterListsInfo(Context,
NumMatchedTemplateParamLists,
(TemplateParameterList**) TemplateParameterLists.release());
}
- if (PrevPartial) {
- ClassTemplate->getPartialSpecializations().RemoveNode(PrevPartial);
- ClassTemplate->getPartialSpecializations().GetOrInsertNode(Partial);
- } else {
- ClassTemplate->getPartialSpecializations().InsertNode(Partial, InsertPos);
- }
+ if (!PrevPartial)
+ ClassTemplate->AddPartialSpecialization(Partial, InsertPos);
Specialization = Partial;
// If we are providing an explicit specialization of a member class
@@ -3883,7 +3886,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
else
Diag(Param->getLocation(),
diag::note_partial_spec_unused_parameter)
- << std::string("<anonymous>");
+ << "<anonymous>";
}
}
}
@@ -3898,19 +3901,14 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
Converted,
PrevDecl);
SetNestedNameSpecifier(Specialization, SS);
- if (NumMatchedTemplateParamLists > 0) {
+ if (NumMatchedTemplateParamLists > 0 && SS.isSet()) {
Specialization->setTemplateParameterListsInfo(Context,
NumMatchedTemplateParamLists,
(TemplateParameterList**) TemplateParameterLists.release());
}
- if (PrevDecl) {
- ClassTemplate->getSpecializations().RemoveNode(PrevDecl);
- ClassTemplate->getSpecializations().GetOrInsertNode(Specialization);
- } else {
- ClassTemplate->getSpecializations().InsertNode(Specialization,
- InsertPos);
- }
+ if (!PrevDecl)
+ ClassTemplate->AddSpecialization(Specialization, InsertPos);
CanonType = Context.getTypeDeclType(Specialization);
}
@@ -4004,20 +4002,18 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
// context. However, specializations are not found by name lookup.
CurContext->addDecl(Specialization);
}
- return DeclPtrTy::make(Specialization);
+ return Specialization;
}
-Sema::DeclPtrTy
-Sema::ActOnTemplateDeclarator(Scope *S,
+Decl *Sema::ActOnTemplateDeclarator(Scope *S,
MultiTemplateParamsArg TemplateParameterLists,
- Declarator &D) {
+ Declarator &D) {
return HandleDeclarator(S, D, move(TemplateParameterLists), false);
}
-Sema::DeclPtrTy
-Sema::ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope,
+Decl *Sema::ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope,
MultiTemplateParamsArg TemplateParameterLists,
- Declarator &D) {
+ Declarator &D) {
assert(getCurFunctionDecl() == 0 && "Function parsing confused");
assert(D.getTypeObject(0).Kind == DeclaratorChunk::Function &&
"Not a function declarator!");
@@ -4029,22 +4025,22 @@ Sema::ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope,
Scope *ParentScope = FnBodyScope->getParent();
- DeclPtrTy DP = HandleDeclarator(ParentScope, D,
- move(TemplateParameterLists),
- /*IsFunctionDefinition=*/true);
+ Decl *DP = HandleDeclarator(ParentScope, D,
+ move(TemplateParameterLists),
+ /*IsFunctionDefinition=*/true);
if (FunctionTemplateDecl *FunctionTemplate
- = dyn_cast_or_null<FunctionTemplateDecl>(DP.getAs<Decl>()))
+ = dyn_cast_or_null<FunctionTemplateDecl>(DP))
return ActOnStartOfFunctionDef(FnBodyScope,
- DeclPtrTy::make(FunctionTemplate->getTemplatedDecl()));
- if (FunctionDecl *Function = dyn_cast_or_null<FunctionDecl>(DP.getAs<Decl>()))
- return ActOnStartOfFunctionDef(FnBodyScope, DeclPtrTy::make(Function));
- return DeclPtrTy();
+ FunctionTemplate->getTemplatedDecl());
+ if (FunctionDecl *Function = dyn_cast_or_null<FunctionDecl>(DP))
+ return ActOnStartOfFunctionDef(FnBodyScope, Function);
+ return 0;
}
/// \brief Strips various properties off an implicit instantiation
/// that has just been explicitly specialized.
static void StripImplicitInstantiation(NamedDecl *D) {
- D->invalidateAttrs();
+ D->dropAttrs();
if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
FD->setInlineSpecified(false);
@@ -4241,12 +4237,13 @@ Sema::CheckDependentFunctionTemplateSpecialization(FunctionDecl *FD,
LookupResult &Previous) {
// Remove anything from Previous that isn't a function template in
// the correct context.
- DeclContext *FDLookupContext = FD->getDeclContext()->getLookupContext();
+ DeclContext *FDLookupContext = FD->getDeclContext()->getRedeclContext();
LookupResult::Filter F = Previous.makeFilter();
while (F.hasNext()) {
NamedDecl *D = F.next()->getUnderlyingDecl();
if (!isa<FunctionTemplateDecl>(D) ||
- !FDLookupContext->Equals(D->getDeclContext()->getLookupContext()))
+ !FDLookupContext->InEnclosingNamespaceSetOf(
+ D->getDeclContext()->getRedeclContext()))
F.erase();
}
F.done();
@@ -4285,14 +4282,15 @@ Sema::CheckFunctionTemplateSpecialization(FunctionDecl *FD,
// explicit function template specialization.
UnresolvedSet<8> Candidates;
- DeclContext *FDLookupContext = FD->getDeclContext()->getLookupContext();
+ DeclContext *FDLookupContext = FD->getDeclContext()->getRedeclContext();
for (LookupResult::iterator I = Previous.begin(), E = Previous.end();
I != E; ++I) {
NamedDecl *Ovl = (*I)->getUnderlyingDecl();
if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(Ovl)) {
// Only consider templates found within the same semantic lookup scope as
// FD.
- if (!FDLookupContext->Equals(Ovl->getDeclContext()->getLookupContext()))
+ if (!FDLookupContext->InEnclosingNamespaceSetOf(
+ Ovl->getDeclContext()->getRedeclContext()))
continue;
// C++ [temp.expl.spec]p11:
@@ -4373,8 +4371,10 @@ Sema::CheckFunctionTemplateSpecialization(FunctionDecl *FD,
// Mark the prior declaration as an explicit specialization, so that later
// clients know that this is an explicit specialization.
- if (!isFriend)
+ if (!isFriend) {
SpecInfo->setTemplateSpecializationKind(TSK_ExplicitSpecialization);
+ MarkUnusedFileScopedDecl(Specialization);
+ }
// Turn the given function declaration into a function template
// specialization, with the template arguments from the previous
@@ -4527,6 +4527,7 @@ Sema::CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous) {
cast<FunctionDecl>(Member)->setInstantiationOfMemberFunction(
cast<CXXMethodDecl>(InstantiatedFrom),
TSK_ExplicitSpecialization);
+ MarkUnusedFileScopedDecl(InstantiationFunction);
} else if (isa<VarDecl>(Member)) {
VarDecl *InstantiationVar = cast<VarDecl>(Instantiation);
if (InstantiationVar->getTemplateSpecializationKind() ==
@@ -4539,6 +4540,7 @@ Sema::CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous) {
Context.setInstantiatedFromStaticDataMember(cast<VarDecl>(Member),
cast<VarDecl>(InstantiatedFrom),
TSK_ExplicitSpecialization);
+ MarkUnusedFileScopedDecl(InstantiationVar);
} else {
assert(isa<CXXRecordDecl>(Member) && "Only member classes remain");
CXXRecordDecl *InstantiationClass = cast<CXXRecordDecl>(Instantiation);
@@ -4567,9 +4569,8 @@ Sema::CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous) {
static bool CheckExplicitInstantiationScope(Sema &S, NamedDecl *D,
SourceLocation InstLoc,
bool WasQualifiedName) {
- DeclContext *ExpectedContext
- = D->getDeclContext()->getEnclosingNamespaceContext()->getLookupContext();
- DeclContext *CurContext = S.CurContext->getLookupContext();
+ DeclContext *OrigContext= D->getDeclContext()->getEnclosingNamespaceContext();
+ DeclContext *CurContext = S.CurContext->getRedeclContext();
if (CurContext->isRecord()) {
S.Diag(InstLoc, diag::err_explicit_instantiation_in_class)
@@ -4583,8 +4584,8 @@ static bool CheckExplicitInstantiationScope(Sema &S, NamedDecl *D,
//
// This is DR275, which we do not retroactively apply to C++98/03.
if (S.getLangOptions().CPlusPlus0x &&
- !CurContext->Encloses(ExpectedContext)) {
- if (NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ExpectedContext))
+ !CurContext->Encloses(OrigContext)) {
+ if (NamespaceDecl *NS = dyn_cast<NamespaceDecl>(OrigContext))
S.Diag(InstLoc,
S.getLangOptions().CPlusPlus0x?
diag::err_explicit_instantiation_out_of_scope
@@ -4599,7 +4600,7 @@ static bool CheckExplicitInstantiationScope(Sema &S, NamedDecl *D,
S.Diag(D->getLocation(), diag::note_explicit_instantiation_here);
return false;
}
-
+
// C++0x [temp.explicit]p2:
// If the name declared in the explicit instantiation is an unqualified
// name, the explicit instantiation shall appear in the namespace where
@@ -4607,15 +4608,15 @@ static bool CheckExplicitInstantiationScope(Sema &S, NamedDecl *D,
// namespace from its enclosing namespace set.
if (WasQualifiedName)
return false;
-
- if (CurContext->Equals(ExpectedContext))
+
+ if (CurContext->InEnclosingNamespaceSetOf(OrigContext))
return false;
-
+
S.Diag(InstLoc,
S.getLangOptions().CPlusPlus0x?
diag::err_explicit_instantiation_unqualified_wrong_namespace
: diag::warn_explicit_instantiation_unqualified_wrong_namespace_0x)
- << D << ExpectedContext;
+ << D << OrigContext;
S.Diag(D->getLocation(), diag::note_explicit_instantiation_here);
return false;
}
@@ -4642,7 +4643,7 @@ static bool ScopeSpecifierHasTemplateId(const CXXScopeSpec &SS) {
}
// Explicit instantiation of a class template specialization
-Sema::DeclResult
+DeclResult
Sema::ActOnExplicitInstantiation(Scope *S,
SourceLocation ExternLoc,
SourceLocation TemplateLoc,
@@ -4703,14 +4704,10 @@ Sema::ActOnExplicitInstantiation(Scope *S,
// Find the class template specialization declaration that
// corresponds to these arguments.
- llvm::FoldingSetNodeID ID;
- ClassTemplateSpecializationDecl::Profile(ID,
- Converted.getFlatArguments(),
- Converted.flatSize(),
- Context);
void *InsertPos = 0;
ClassTemplateSpecializationDecl *PrevDecl
- = ClassTemplate->getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
+ = ClassTemplate->findSpecialization(Converted.getFlatArguments(),
+ Converted.flatSize(), InsertPos);
TemplateSpecializationKind PrevDecl_TSK
= PrevDecl ? PrevDecl->getTemplateSpecializationKind() : TSK_Undeclared;
@@ -4733,7 +4730,7 @@ Sema::ActOnExplicitInstantiation(Scope *S,
PrevDecl, PrevDecl_TSK,
PrevDecl->getPointOfInstantiation(),
HasNoEffect))
- return DeclPtrTy::make(PrevDecl);
+ return PrevDecl;
// Even though HasNoEffect == true means that this explicit instantiation
// has no effect on semantics, we go on to put its syntax in the AST.
@@ -4763,15 +4760,9 @@ Sema::ActOnExplicitInstantiation(Scope *S,
Converted, PrevDecl);
SetNestedNameSpecifier(Specialization, SS);
- if (!HasNoEffect) {
- if (PrevDecl) {
- // Remove the previous declaration from the folding set, since we want
- // to introduce a new declaration.
- ClassTemplate->getSpecializations().RemoveNode(PrevDecl);
- ClassTemplate->getSpecializations().FindNodeOrInsertPos(ID, InsertPos);
- }
+ if (!HasNoEffect && !PrevDecl) {
// Insert the new specialization.
- ClassTemplate->getSpecializations().InsertNode(Specialization, InsertPos);
+ ClassTemplate->AddSpecialization(Specialization, InsertPos);
}
}
@@ -4803,7 +4794,7 @@ Sema::ActOnExplicitInstantiation(Scope *S,
if (HasNoEffect) {
// Set the template specialization kind.
Specialization->setTemplateSpecializationKind(TSK);
- return DeclPtrTy::make(Specialization);
+ return Specialization;
}
// C++ [temp.explicit]p3:
@@ -4840,11 +4831,11 @@ Sema::ActOnExplicitInstantiation(Scope *S,
// Set the template specialization kind.
Specialization->setTemplateSpecializationKind(TSK);
- return DeclPtrTy::make(Specialization);
+ return Specialization;
}
// Explicit instantiation of a member class of a class template.
-Sema::DeclResult
+DeclResult
Sema::ActOnExplicitInstantiation(Scope *S,
SourceLocation ExternLoc,
SourceLocation TemplateLoc,
@@ -4857,16 +4848,16 @@ Sema::ActOnExplicitInstantiation(Scope *S,
bool Owned = false;
bool IsDependent = false;
- DeclPtrTy TagD = ActOnTag(S, TagSpec, Action::TUK_Reference,
- KWLoc, SS, Name, NameLoc, Attr, AS_none,
- MultiTemplateParamsArg(*this, 0, 0),
- Owned, IsDependent);
+ Decl *TagD = ActOnTag(S, TagSpec, Sema::TUK_Reference,
+ KWLoc, SS, Name, NameLoc, Attr, AS_none,
+ MultiTemplateParamsArg(*this, 0, 0),
+ Owned, IsDependent);
assert(!IsDependent && "explicit instantiation of dependent name not yet handled");
if (!TagD)
return true;
- TagDecl *Tag = cast<TagDecl>(TagD.getAs<Decl>());
+ TagDecl *Tag = cast<TagDecl>(TagD);
if (Tag->isEnum()) {
Diag(TemplateLoc, diag::err_explicit_instantiation_enum)
<< Context.getTypeDeclType(Tag);
@@ -4969,12 +4960,14 @@ Sema::ActOnExplicitInstantiation(Scope *S,
return TagD;
}
-Sema::DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
- SourceLocation ExternLoc,
- SourceLocation TemplateLoc,
- Declarator &D) {
+DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
+ SourceLocation ExternLoc,
+ SourceLocation TemplateLoc,
+ Declarator &D) {
// Explicit instantiations always require a name.
- DeclarationName Name = GetNameForDeclarator(D);
+ // TODO: check if/when DNInfo should replace Name.
+ DeclarationNameInfo NameInfo = GetNameForDeclarator(D);
+ DeclarationName Name = NameInfo.getName();
if (!Name) {
if (!D.isInvalidType())
Diag(D.getDeclSpec().getSourceRange().getBegin(),
@@ -5024,7 +5017,7 @@ Sema::DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
= ExternLoc.isInvalid()? TSK_ExplicitInstantiationDefinition
: TSK_ExplicitInstantiationDeclaration;
- LookupResult Previous(*this, Name, D.getIdentifierLoc(), LookupOrdinaryName);
+ LookupResult Previous(*this, NameInfo, LookupOrdinaryName);
LookupParsedName(Previous, S, &D.getCXXScopeSpec());
if (!R->isFunctionType()) {
@@ -5081,16 +5074,15 @@ Sema::DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
HasNoEffect))
return true;
if (HasNoEffect)
- return DeclPtrTy();
+ return (Decl*) 0;
// Instantiate static data member.
Prev->setTemplateSpecializationKind(TSK, D.getIdentifierLoc());
if (TSK == TSK_ExplicitInstantiationDefinition)
- InstantiateStaticDataMemberDefinition(D.getIdentifierLoc(), Prev, false,
- /*DefinitionRequired=*/true);
+ InstantiateStaticDataMemberDefinition(D.getIdentifierLoc(), Prev);
// FIXME: Create an ExplicitInstantiation node?
- return DeclPtrTy();
+ return (Decl*) 0;
}
// If the declarator is a template-id, translate the parser's template
@@ -5188,14 +5180,13 @@ Sema::DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
// FIXME: We may still want to build some representation of this
// explicit specialization.
if (HasNoEffect)
- return DeclPtrTy();
+ return (Decl*) 0;
}
Specialization->setTemplateSpecializationKind(TSK, D.getIdentifierLoc());
if (TSK == TSK_ExplicitInstantiationDefinition)
- InstantiateFunctionDefinition(D.getIdentifierLoc(), Specialization,
- false, /*DefinitionRequired=*/true);
+ InstantiateFunctionDefinition(D.getIdentifierLoc(), Specialization);
// C++0x [temp.explicit]p2:
// If the explicit instantiation is for a member function, a member class
@@ -5219,10 +5210,10 @@ Sema::DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
D.getCXXScopeSpec().isSet());
// FIXME: Create some kind of ExplicitInstantiationDecl here.
- return DeclPtrTy();
+ return (Decl*) 0;
}
-Sema::TypeResult
+TypeResult
Sema::ActOnDependentTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
const CXXScopeSpec &SS, IdentifierInfo *Name,
SourceLocation TagLoc, SourceLocation NameLoc) {
@@ -5243,10 +5234,10 @@ Sema::ActOnDependentTag(Scope *S, unsigned TagSpec, TagUseKind TUK,
}
ElaboratedTypeKeyword Kwd = TypeWithKeyword::getKeywordForTagTypeKind(Kind);
- return Context.getDependentNameType(Kwd, NNS, Name).getAsOpaquePtr();
+ return ParsedType::make(Context.getDependentNameType(Kwd, NNS, Name));
}
-Sema::TypeResult
+TypeResult
Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
const CXXScopeSpec &SS, const IdentifierInfo &II,
SourceLocation IdLoc) {
@@ -5278,13 +5269,13 @@ Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
cast<TypeSpecTypeLoc>(TL.getNamedTypeLoc()).setNameLoc(IdLoc);
}
- return CreateLocInfoType(T, TSI).getAsOpaquePtr();
+ return CreateParsedType(T, TSI);
}
-Sema::TypeResult
+TypeResult
Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
const CXXScopeSpec &SS, SourceLocation TemplateLoc,
- TypeTy *Ty) {
+ ParsedType Ty) {
if (TypenameLoc.isValid() && S && !S->getTemplateParamParent() &&
!getLangOptions().CPlusPlus0x)
Diag(TypenameLoc, diag::ext_typename_outside_of_template)
@@ -5292,8 +5283,6 @@ Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
TypeSourceInfo *InnerTSI = 0;
QualType T = GetTypeFromParser(Ty, &InnerTSI);
- NestedNameSpecifier *NNS
- = static_cast<NestedNameSpecifier *>(SS.getScopeRep());
assert(isa<TemplateSpecializationType>(T) &&
"Expected a template specialization type");
@@ -5310,13 +5299,14 @@ Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
else
Builder.push<TemplateSpecializationTypeLoc>(T).initialize(TemplateLoc);
- T = Context.getElaboratedType(ETK_Typename, NNS, T);
+ /* Note: NNS already embedded in template specialization type T. */
+ T = Context.getElaboratedType(ETK_Typename, /*NNS=*/0, T);
ElaboratedTypeLoc TL = Builder.push<ElaboratedTypeLoc>(T);
TL.setKeywordLoc(TypenameLoc);
TL.setQualifierRange(SS.getRange());
TypeSourceInfo *TSI = Builder.getTypeSourceInfo(Context, T);
- return CreateLocInfoType(T, TSI).getAsOpaquePtr();
+ return CreateParsedType(T, TSI);
}
// TODO: it's really silly that we make a template specialization
@@ -5325,7 +5315,10 @@ Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
DependentTemplateName *DTN =
TST->getTemplateName().getAsDependentTemplateName();
assert(DTN && "dependent template has non-dependent name?");
- T = Context.getDependentTemplateSpecializationType(ETK_Typename, NNS,
+ assert(DTN->getQualifier()
+ == static_cast<NestedNameSpecifier*>(SS.getScopeRep()));
+ T = Context.getDependentTemplateSpecializationType(ETK_Typename,
+ DTN->getQualifier(),
DTN->getIdentifier(),
TST->getNumArgs(),
TST->getArgs());
@@ -5344,7 +5337,7 @@ Sema::ActOnTypenameType(Scope *S, SourceLocation TypenameLoc,
}
TL.setKeywordLoc(TypenameLoc);
TL.setQualifierRange(SS.getRange());
- return CreateLocInfoType(T, TSI).getAsOpaquePtr();
+ return CreateParsedType(T, TSI);
}
/// \brief Build the type that describes a C++ typename specifier,
@@ -5463,15 +5456,6 @@ namespace {
this->Loc = Loc;
this->Entity = Entity;
}
-
- /// \brief Transforms an expression by returning the expression itself
- /// (an identity function).
- ///
- /// FIXME: This is completely unsafe; we will need to actually clone the
- /// expressions.
- Sema::OwningExprResult TransformExpr(Expr *E) {
- return getSema().Owned(E->Retain());
- }
};
}
@@ -5511,6 +5495,12 @@ TypeSourceInfo *Sema::RebuildTypeInCurrentInstantiation(TypeSourceInfo *T,
return Rebuilder.TransformType(T);
}
+ExprResult Sema::RebuildExprInCurrentInstantiation(Expr *E) {
+ CurrentInstantiationRebuilder Rebuilder(*this, E->getExprLoc(),
+ DeclarationName());
+ return Rebuilder.TransformExpr(E);
+}
+
bool Sema::RebuildNestedNameSpecifierInCurrentInstantiation(CXXScopeSpec &SS) {
if (SS.isInvalid()) return true;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 07:42:19 +0000