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Diffstat (limited to 'lib/Sema/SemaTemplate.cpp')
-rw-r--r--lib/Sema/SemaTemplate.cpp370
1 files changed, 198 insertions, 172 deletions
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index 4dbf3e45b387..f56b05406d07 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -333,7 +333,8 @@ void Sema::LookupTemplateName(LookupResult &Found,
if (LookupCtx)
Diag(Found.getNameLoc(), diag::err_no_member_template_suggest)
<< Name << LookupCtx << CorrectedQuotedStr << SS.getRange()
- << FixItHint::CreateReplacement(Found.getNameLoc(), CorrectedStr);
+ << FixItHint::CreateReplacement(Corrected.getCorrectionRange(),
+ CorrectedStr);
else
Diag(Found.getNameLoc(), diag::err_no_template_suggest)
<< Name << CorrectedQuotedStr
@@ -1104,6 +1105,9 @@ Sema::CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK,
if (Attr)
ProcessDeclAttributeList(S, NewClass, Attr);
+ if (PrevClassTemplate)
+ mergeDeclAttributes(NewClass, PrevClassTemplate->getTemplatedDecl());
+
AddPushedVisibilityAttribute(NewClass);
if (TUK != TUK_Friend)
@@ -1138,8 +1142,6 @@ Sema::CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK,
NewTemplate->setInvalidDecl();
NewClass->setInvalidDecl();
}
- if (PrevClassTemplate)
- mergeDeclAttributes(NewClass, PrevClassTemplate->getTemplatedDecl());
ActOnDocumentableDecl(NewTemplate);
@@ -1204,11 +1206,17 @@ static bool DiagnoseDefaultTemplateArgument(Sema &S,
/// of a template template parameter, recursively.
static bool DiagnoseUnexpandedParameterPacks(Sema &S,
TemplateTemplateParmDecl *TTP) {
+ // A template template parameter which is a parameter pack is also a pack
+ // expansion.
+ if (TTP->isParameterPack())
+ return false;
+
TemplateParameterList *Params = TTP->getTemplateParameters();
for (unsigned I = 0, N = Params->size(); I != N; ++I) {
NamedDecl *P = Params->getParam(I);
if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(P)) {
- if (S.DiagnoseUnexpandedParameterPack(NTTP->getLocation(),
+ if (!NTTP->isParameterPack() &&
+ S.DiagnoseUnexpandedParameterPack(NTTP->getLocation(),
NTTP->getTypeSourceInfo(),
Sema::UPPC_NonTypeTemplateParameterType))
return true;
@@ -1321,7 +1329,8 @@ bool Sema::CheckTemplateParameterList(TemplateParameterList *NewParams,
} else if (NonTypeTemplateParmDecl *NewNonTypeParm
= dyn_cast<NonTypeTemplateParmDecl>(*NewParam)) {
// Check for unexpanded parameter packs.
- if (DiagnoseUnexpandedParameterPack(NewNonTypeParm->getLocation(),
+ if (!NewNonTypeParm->isParameterPack() &&
+ DiagnoseUnexpandedParameterPack(NewNonTypeParm->getLocation(),
NewNonTypeParm->getTypeSourceInfo(),
UPPC_NonTypeTemplateParameterType)) {
Invalid = true;
@@ -1342,7 +1351,8 @@ bool Sema::CheckTemplateParameterList(TemplateParameterList *NewParams,
if (NewNonTypeParm->isParameterPack()) {
assert(!NewNonTypeParm->hasDefaultArgument() &&
"Parameter packs can't have a default argument!");
- SawParameterPack = true;
+ if (!NewNonTypeParm->isPackExpansion())
+ SawParameterPack = true;
} else if (OldNonTypeParm && OldNonTypeParm->hasDefaultArgument() &&
NewNonTypeParm->hasDefaultArgument()) {
OldDefaultLoc = OldNonTypeParm->getDefaultArgumentLoc();
@@ -1389,7 +1399,8 @@ bool Sema::CheckTemplateParameterList(TemplateParameterList *NewParams,
if (NewTemplateParm->isParameterPack()) {
assert(!NewTemplateParm->hasDefaultArgument() &&
"Parameter packs can't have a default argument!");
- SawParameterPack = true;
+ if (!NewTemplateParm->isPackExpansion())
+ SawParameterPack = true;
} else if (OldTemplateParm && OldTemplateParm->hasDefaultArgument() &&
NewTemplateParm->hasDefaultArgument()) {
OldDefaultLoc = OldTemplateParm->getDefaultArgument().getLocation();
@@ -1416,10 +1427,10 @@ bool Sema::CheckTemplateParameterList(TemplateParameterList *NewParams,
MissingDefaultArg = true;
}
- // C++0x [temp.param]p11:
+ // C++11 [temp.param]p11:
// If a template parameter of a primary class template or alias template
// is a template parameter pack, it shall be the last template parameter.
- if (SawParameterPack && (NewParam + 1) != NewParamEnd &&
+ if (SawParameterPack && (NewParam + 1) != NewParamEnd &&
(TPC == TPC_ClassTemplate || TPC == TPC_TypeAliasTemplate)) {
Diag((*NewParam)->getLocation(),
diag::err_template_param_pack_must_be_last_template_parameter);
@@ -1998,9 +2009,11 @@ QualType Sema::CheckTemplateIdType(TemplateName Name,
for (unsigned I = 0; I < Depth; ++I)
TemplateArgLists.addOuterTemplateArguments(0, 0);
+ LocalInstantiationScope Scope(*this);
InstantiatingTemplate Inst(*this, TemplateLoc, Template);
if (Inst)
return QualType();
+
CanonType = SubstType(Pattern->getUnderlyingType(),
TemplateArgLists, AliasTemplate->getLocation(),
AliasTemplate->getDeclName());
@@ -2085,7 +2098,8 @@ QualType Sema::CheckTemplateIdType(TemplateName Name,
Converted.data(),
Converted.size(), 0);
ClassTemplate->AddSpecialization(Decl, InsertPos);
- Decl->setLexicalDeclContext(CurContext);
+ if (ClassTemplate->isOutOfLine())
+ Decl->setLexicalDeclContext(ClassTemplate->getLexicalDeclContext());
}
CanonType = Context.getTypeDeclType(Decl);
@@ -2137,7 +2151,6 @@ Sema::ActOnTemplateIdType(CXXScopeSpec &SS, SourceLocation TemplateKWLoc,
}
QualType Result = CheckTemplateIdType(Template, TemplateLoc, TemplateArgs);
- TemplateArgsIn.release();
if (Result.isNull())
return true;
@@ -2831,6 +2844,7 @@ bool Sema::CheckTemplateArgument(NamedDecl *Param,
case TemplateArgument::Declaration:
case TemplateArgument::Integral:
+ case TemplateArgument::NullPtr:
// We've already checked this template argument, so just copy
// it to the list of converted arguments.
Converted.push_back(Arg.getArgument());
@@ -2947,7 +2961,7 @@ bool Sema::CheckTemplateArgument(NamedDecl *Param,
case TemplateArgument::Template:
case TemplateArgument::TemplateExpansion:
- if (CheckTemplateArgument(TempParm, Arg))
+ if (CheckTemplateArgument(TempParm, Arg, ArgumentPackIndex))
return true;
Converted.push_back(Arg.getArgument());
@@ -2965,6 +2979,8 @@ bool Sema::CheckTemplateArgument(NamedDecl *Param,
llvm_unreachable("Declaration argument with template template parameter");
case TemplateArgument::Integral:
llvm_unreachable("Integral argument with template template parameter");
+ case TemplateArgument::NullPtr:
+ llvm_unreachable("Null pointer argument with template template parameter");
case TemplateArgument::Pack:
llvm_unreachable("Caller must expand template argument packs");
@@ -2996,6 +3012,33 @@ static bool diagnoseArityMismatch(Sema &S, TemplateDecl *Template,
return true;
}
+/// \brief Check whether the template parameter is a pack expansion, and if so,
+/// determine the number of parameters produced by that expansion. For instance:
+///
+/// \code
+/// template<typename ...Ts> struct A {
+/// template<Ts ...NTs, template<Ts> class ...TTs, typename ...Us> struct B;
+/// };
+/// \endcode
+///
+/// In \c A<int,int>::B, \c NTs and \c TTs have expanded pack size 2, and \c Us
+/// is not a pack expansion, so returns an empty Optional.
+static llvm::Optional<unsigned> getExpandedPackSize(NamedDecl *Param) {
+ if (NonTypeTemplateParmDecl *NTTP
+ = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
+ if (NTTP->isExpandedParameterPack())
+ return NTTP->getNumExpansionTypes();
+ }
+
+ if (TemplateTemplateParmDecl *TTP
+ = dyn_cast<TemplateTemplateParmDecl>(Param)) {
+ if (TTP->isExpandedParameterPack())
+ return TTP->getNumExpansionTemplateParameters();
+ }
+
+ return llvm::Optional<unsigned>();
+}
+
/// \brief Check that the given template argument list is well-formed
/// for specializing the given template.
bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
@@ -3008,15 +3051,9 @@ bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
*ExpansionIntoFixedList = false;
TemplateParameterList *Params = Template->getTemplateParameters();
- unsigned NumParams = Params->size();
- unsigned NumArgs = TemplateArgs.size();
- bool Invalid = false;
SourceLocation RAngleLoc = TemplateArgs.getRAngleLoc();
- bool HasParameterPack =
- NumParams > 0 && Params->getParam(NumParams - 1)->isTemplateParameterPack();
-
// C++ [temp.arg]p1:
// [...] The type and form of each template-argument specified in
// a template-id shall match the type and form specified for the
@@ -3024,38 +3061,50 @@ bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
// template-parameter-list.
bool isTemplateTemplateParameter = isa<TemplateTemplateParmDecl>(Template);
SmallVector<TemplateArgument, 2> ArgumentPack;
- TemplateParameterList::iterator Param = Params->begin(),
- ParamEnd = Params->end();
- unsigned ArgIdx = 0;
+ unsigned ArgIdx = 0, NumArgs = TemplateArgs.size();
LocalInstantiationScope InstScope(*this, true);
- bool SawPackExpansion = false;
- while (Param != ParamEnd) {
- if (ArgIdx < NumArgs) {
- // If we have an expanded parameter pack, make sure we don't have too
- // many arguments.
- // FIXME: This really should fall out from the normal arity checking.
- if (NonTypeTemplateParmDecl *NTTP
- = dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
- if (NTTP->isExpandedParameterPack() &&
- ArgumentPack.size() >= NTTP->getNumExpansionTypes()) {
- Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
- << true
- << (isa<ClassTemplateDecl>(Template)? 0 :
- isa<FunctionTemplateDecl>(Template)? 1 :
- isa<TemplateTemplateParmDecl>(Template)? 2 : 3)
- << Template;
- Diag(Template->getLocation(), diag::note_template_decl_here)
- << Params->getSourceRange();
- return true;
- }
+ for (TemplateParameterList::iterator Param = Params->begin(),
+ ParamEnd = Params->end();
+ Param != ParamEnd; /* increment in loop */) {
+ // If we have an expanded parameter pack, make sure we don't have too
+ // many arguments.
+ if (llvm::Optional<unsigned> Expansions = getExpandedPackSize(*Param)) {
+ if (*Expansions == ArgumentPack.size()) {
+ // We're done with this parameter pack. Pack up its arguments and add
+ // them to the list.
+ Converted.push_back(
+ TemplateArgument::CreatePackCopy(Context,
+ ArgumentPack.data(),
+ ArgumentPack.size()));
+ ArgumentPack.clear();
+
+ // This argument is assigned to the next parameter.
+ ++Param;
+ continue;
+ } else if (ArgIdx == NumArgs && !PartialTemplateArgs) {
+ // Not enough arguments for this parameter pack.
+ Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
+ << false
+ << (isa<ClassTemplateDecl>(Template)? 0 :
+ isa<FunctionTemplateDecl>(Template)? 1 :
+ isa<TemplateTemplateParmDecl>(Template)? 2 : 3)
+ << Template;
+ Diag(Template->getLocation(), diag::note_template_decl_here)
+ << Params->getSourceRange();
+ return true;
}
+ }
+ if (ArgIdx < NumArgs) {
// Check the template argument we were given.
if (CheckTemplateArgument(*Param, TemplateArgs[ArgIdx], Template,
TemplateLoc, RAngleLoc,
ArgumentPack.size(), Converted))
return true;
+ // We're now done with this argument.
+ ++ArgIdx;
+
if ((*Param)->isTemplateParameterPack()) {
// The template parameter was a template parameter pack, so take the
// deduced argument and place it on the argument pack. Note that we
@@ -3067,16 +3116,47 @@ bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
// Move to the next template parameter.
++Param;
}
-
- // If this template argument is a pack expansion, record that fact
- // and break out; we can't actually check any more.
- if (TemplateArgs[ArgIdx].getArgument().isPackExpansion()) {
- SawPackExpansion = true;
- ++ArgIdx;
- break;
+
+ // If we just saw a pack expansion, then directly convert the remaining
+ // arguments, because we don't know what parameters they'll match up
+ // with.
+ if (TemplateArgs[ArgIdx-1].getArgument().isPackExpansion()) {
+ bool InFinalParameterPack = Param != ParamEnd &&
+ Param + 1 == ParamEnd &&
+ (*Param)->isTemplateParameterPack() &&
+ !getExpandedPackSize(*Param);
+
+ if (!InFinalParameterPack && !ArgumentPack.empty()) {
+ // If we were part way through filling in an expanded parameter pack,
+ // fall back to just producing individual arguments.
+ Converted.insert(Converted.end(),
+ ArgumentPack.begin(), ArgumentPack.end());
+ ArgumentPack.clear();
+ }
+
+ while (ArgIdx < NumArgs) {
+ if (InFinalParameterPack)
+ ArgumentPack.push_back(TemplateArgs[ArgIdx].getArgument());
+ else
+ Converted.push_back(TemplateArgs[ArgIdx].getArgument());
+ ++ArgIdx;
+ }
+
+ // Push the argument pack onto the list of converted arguments.
+ if (InFinalParameterPack) {
+ Converted.push_back(
+ TemplateArgument::CreatePackCopy(Context,
+ ArgumentPack.data(),
+ ArgumentPack.size()));
+ ArgumentPack.clear();
+ } else if (ExpansionIntoFixedList) {
+ // We have expanded a pack into a fixed list.
+ *ExpansionIntoFixedList = true;
+ }
+
+ return false;
}
-
- ++ArgIdx;
+
continue;
}
@@ -3087,14 +3167,30 @@ bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
ArgumentPack.data(),
ArgumentPack.size()));
- return Invalid;
+ return false;
}
// If we have a template parameter pack with no more corresponding
// arguments, just break out now and we'll fill in the argument pack below.
- if ((*Param)->isTemplateParameterPack())
- break;
-
+ if ((*Param)->isTemplateParameterPack()) {
+ assert(!getExpandedPackSize(*Param) &&
+ "Should have dealt with this already");
+
+ // A non-expanded parameter pack before the end of the parameter list
+ // only occurs for an ill-formed template parameter list, unless we've
+ // got a partial argument list for a function template, so just bail out.
+ if (Param + 1 != ParamEnd)
+ return true;
+
+ Converted.push_back(TemplateArgument::CreatePackCopy(Context,
+ ArgumentPack.data(),
+ ArgumentPack.size()));
+ ArgumentPack.clear();
+
+ ++Param;
+ continue;
+ }
+
// Check whether we have a default argument.
TemplateArgumentLoc Arg;
@@ -3181,86 +3277,12 @@ bool Sema::CheckTemplateArgumentList(TemplateDecl *Template,
++ArgIdx;
}
- // If we saw a pack expansion, then directly convert the remaining arguments,
- // because we don't know what parameters they'll match up with.
- if (SawPackExpansion) {
- bool AddToArgumentPack
- = Param != ParamEnd && (*Param)->isTemplateParameterPack();
- while (ArgIdx < NumArgs) {
- if (AddToArgumentPack)
- ArgumentPack.push_back(TemplateArgs[ArgIdx].getArgument());
- else
- Converted.push_back(TemplateArgs[ArgIdx].getArgument());
- ++ArgIdx;
- }
-
- // Push the argument pack onto the list of converted arguments.
- if (AddToArgumentPack) {
- if (ArgumentPack.empty())
- Converted.push_back(TemplateArgument(0, 0));
- else {
- Converted.push_back(
- TemplateArgument::CreatePackCopy(Context,
- ArgumentPack.data(),
- ArgumentPack.size()));
- ArgumentPack.clear();
- }
- } else if (ExpansionIntoFixedList) {
- // We have expanded a pack into a fixed list.
- *ExpansionIntoFixedList = true;
- }
-
- return Invalid;
- }
-
// If we have any leftover arguments, then there were too many arguments.
// Complain and fail.
if (ArgIdx < NumArgs)
return diagnoseArityMismatch(*this, Template, TemplateLoc, TemplateArgs);
-
- // If we have an expanded parameter pack, make sure we don't have too
- // many arguments.
- // FIXME: This really should fall out from the normal arity checking.
- if (Param != ParamEnd) {
- if (NonTypeTemplateParmDecl *NTTP
- = dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
- if (NTTP->isExpandedParameterPack() &&
- ArgumentPack.size() < NTTP->getNumExpansionTypes()) {
- Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
- << false
- << (isa<ClassTemplateDecl>(Template)? 0 :
- isa<FunctionTemplateDecl>(Template)? 1 :
- isa<TemplateTemplateParmDecl>(Template)? 2 : 3)
- << Template;
- Diag(Template->getLocation(), diag::note_template_decl_here)
- << Params->getSourceRange();
- return true;
- }
- }
- }
-
- // Form argument packs for each of the parameter packs remaining.
- while (Param != ParamEnd) {
- // If we're checking a partial list of template arguments, don't fill
- // in arguments for non-template parameter packs.
- if ((*Param)->isTemplateParameterPack()) {
- if (!HasParameterPack)
- return true;
- if (ArgumentPack.empty())
- Converted.push_back(TemplateArgument(0, 0));
- else {
- Converted.push_back(TemplateArgument::CreatePackCopy(Context,
- ArgumentPack.data(),
- ArgumentPack.size()));
- ArgumentPack.clear();
- }
- } else if (!PartialTemplateArgs)
- return diagnoseArityMismatch(*this, Template, TemplateLoc, TemplateArgs);
-
- ++Param;
- }
- return Invalid;
+ return false;
}
namespace {
@@ -3650,7 +3672,7 @@ CheckTemplateArgumentAddressOfObjectOrFunction(Sema &S,
switch (isNullPointerValueTemplateArgument(S, Param, ParamType, Arg)) {
case NPV_NullPointer:
S.Diag(Arg->getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
- Converted = TemplateArgument((Decl *)0);
+ Converted = TemplateArgument(ParamType, /*isNullPtr*/true);
return false;
case NPV_Error:
@@ -3738,7 +3760,7 @@ CheckTemplateArgumentAddressOfObjectOrFunction(Sema &S,
return true;
}
- NamedDecl *Entity = DRE->getDecl();
+ ValueDecl *Entity = DRE->getDecl();
// Cannot refer to non-static data members
if (FieldDecl *Field = dyn_cast<FieldDecl>(Entity)) {
@@ -3926,7 +3948,8 @@ CheckTemplateArgumentAddressOfObjectOrFunction(Sema &S,
}
// Create the template argument.
- Converted = TemplateArgument(Entity->getCanonicalDecl());
+ Converted = TemplateArgument(cast<ValueDecl>(Entity->getCanonicalDecl()),
+ ParamType->isReferenceType());
S.MarkAnyDeclReferenced(Arg->getLocStart(), Entity);
return false;
}
@@ -3947,7 +3970,7 @@ static bool CheckTemplateArgumentPointerToMember(Sema &S,
return true;
case NPV_NullPointer:
S.Diag(Arg->getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
- Converted = TemplateArgument((Decl *)0);
+ Converted = TemplateArgument(ParamType, /*isNullPtr*/true);
return false;
case NPV_NotNullPointer:
break;
@@ -4016,10 +4039,12 @@ static bool CheckTemplateArgumentPointerToMember(Sema &S,
if (isa<NonTypeTemplateParmDecl>(VD) ||
(isa<VarDecl>(VD) &&
S.Context.getCanonicalType(VD->getType()).isConstQualified())) {
- if (Arg->isTypeDependent() || Arg->isValueDependent())
+ if (Arg->isTypeDependent() || Arg->isValueDependent()) {
Converted = TemplateArgument(Arg);
- else
- Converted = TemplateArgument(VD->getCanonicalDecl());
+ } else {
+ VD = cast<ValueDecl>(VD->getCanonicalDecl());
+ Converted = TemplateArgument(VD, /*isReferenceParam*/false);
+ }
return Invalid;
}
}
@@ -4040,10 +4065,12 @@ static bool CheckTemplateArgumentPointerToMember(Sema &S,
// Okay: this is the address of a non-static member, and therefore
// a member pointer constant.
- if (Arg->isTypeDependent() || Arg->isValueDependent())
+ if (Arg->isTypeDependent() || Arg->isValueDependent()) {
Converted = TemplateArgument(Arg);
- else
- Converted = TemplateArgument(DRE->getDecl()->getCanonicalDecl());
+ } else {
+ ValueDecl *D = cast<ValueDecl>(DRE->getDecl()->getCanonicalDecl());
+ Converted = TemplateArgument(D, /*isReferenceParam*/false);
+ }
return Invalid;
}
@@ -4396,8 +4423,8 @@ ExprResult Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
case NPV_NullPointer:
Diag(Arg->getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
- Converted = TemplateArgument((Decl *)0);
- return Owned(Arg);;
+ Converted = TemplateArgument(ParamType, /*isNullPtr*/true);
+ return Owned(Arg);
}
}
@@ -4417,8 +4444,9 @@ ExprResult Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
/// This routine implements the semantics of C++ [temp.arg.template].
/// It returns true if an error occurred, and false otherwise.
bool Sema::CheckTemplateArgument(TemplateTemplateParmDecl *Param,
- const TemplateArgumentLoc &Arg) {
- TemplateName Name = Arg.getArgument().getAsTemplate();
+ const TemplateArgumentLoc &Arg,
+ unsigned ArgumentPackIndex) {
+ TemplateName Name = Arg.getArgument().getAsTemplateOrTemplatePattern();
TemplateDecl *Template = Name.getAsTemplateDecl();
if (!Template) {
// Any dependent template name is fine.
@@ -4448,8 +4476,12 @@ bool Sema::CheckTemplateArgument(TemplateTemplateParmDecl *Param,
<< Template;
}
+ TemplateParameterList *Params = Param->getTemplateParameters();
+ if (Param->isExpandedParameterPack())
+ Params = Param->getExpansionTemplateParameters(ArgumentPackIndex);
+
return !TemplateParameterListsAreEqual(Template->getTemplateParameters(),
- Param->getTemplateParameters(),
+ Params,
true,
TPL_TemplateTemplateArgumentMatch,
Arg.getLocation());
@@ -4463,12 +4495,9 @@ ExprResult
Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
QualType ParamType,
SourceLocation Loc) {
- assert(Arg.getKind() == TemplateArgument::Declaration &&
- "Only declaration template arguments permitted here");
-
// For a NULL non-type template argument, return nullptr casted to the
// parameter's type.
- if (!Arg.getAsDecl()) {
+ if (Arg.getKind() == TemplateArgument::NullPtr) {
return ImpCastExprToType(
new (Context) CXXNullPtrLiteralExpr(Context.NullPtrTy, Loc),
ParamType,
@@ -4476,7 +4505,9 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
? CK_NullToMemberPointer
: CK_NullToPointer);
}
-
+ assert(Arg.getKind() == TemplateArgument::Declaration &&
+ "Only declaration template arguments permitted here");
+
ValueDecl *VD = cast<ValueDecl>(Arg.getAsDecl());
if (VD->getDeclContext()->isRecord() &&
@@ -4524,7 +4555,7 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
assert(!RefExpr.isInvalid() &&
Context.hasSameType(((Expr*) RefExpr.get())->getType(),
ParamType.getUnqualifiedType()));
- return move(RefExpr);
+ return RefExpr;
}
}
@@ -4542,7 +4573,7 @@ Sema::BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg,
if (RefExpr.isInvalid())
return ExprError();
- return move(RefExpr);
+ return RefExpr;
}
// Take the address of everything else
@@ -5071,10 +5102,10 @@ static bool CheckNonTypeClassTemplatePartialSpecializationArgs(Sema &S,
continue;
}
- Expr *ArgExpr = Args[I].getAsExpr();
- if (!ArgExpr) {
+ if (Args[I].getKind() != TemplateArgument::Expression)
continue;
- }
+
+ Expr *ArgExpr = Args[I].getAsExpr();
// We can have a pack expansion of any of the bullets below.
if (PackExpansionExpr *Expansion = dyn_cast<PackExpansionExpr>(ArgExpr))
@@ -5173,7 +5204,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
// NOTE: KWLoc is the location of the tag keyword. This will instead
// store the location of the outermost template keyword in the declaration.
SourceLocation TemplateKWLoc = TemplateParameterLists.size() > 0
- ? TemplateParameterLists.get()[0]->getTemplateLoc() : SourceLocation();
+ ? TemplateParameterLists[0]->getTemplateLoc() : SourceLocation();
// Find the class template we're specializing
TemplateName Name = TemplateD.getAsVal<TemplateName>();
@@ -5199,7 +5230,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
= MatchTemplateParametersToScopeSpecifier(TemplateNameLoc,
TemplateNameLoc,
SS,
- (TemplateParameterList**)TemplateParameterLists.get(),
+ TemplateParameterLists.data(),
TemplateParameterLists.size(),
TUK == TUK_Friend,
isExplicitSpecialization,
@@ -5354,7 +5385,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
if (TemplateParameterLists.size() > 0) {
Specialization->setTemplateParameterListsInfo(Context,
TemplateParameterLists.size(),
- (TemplateParameterList**) TemplateParameterLists.release());
+ TemplateParameterLists.data());
}
PrevDecl = 0;
CanonType = Context.getTypeDeclType(Specialization);
@@ -5382,7 +5413,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
TemplateParams,
AS_none, /*ModulePrivateLoc=*/SourceLocation(),
TemplateParameterLists.size() - 1,
- (TemplateParameterList**) TemplateParameterLists.release());
+ TemplateParameterLists.data());
}
// Create a new class template partial specialization declaration node.
@@ -5406,7 +5437,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
if (TemplateParameterLists.size() > 1 && SS.isSet()) {
Partial->setTemplateParameterListsInfo(Context,
TemplateParameterLists.size() - 1,
- (TemplateParameterList**) TemplateParameterLists.release());
+ TemplateParameterLists.data());
}
if (!PrevPartial)
@@ -5461,7 +5492,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
if (TemplateParameterLists.size() > 0) {
Specialization->setTemplateParameterListsInfo(Context,
TemplateParameterLists.size(),
- (TemplateParameterList**) TemplateParameterLists.release());
+ TemplateParameterLists.data());
}
if (!PrevDecl)
@@ -5544,7 +5575,6 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
Specialization->setTypeAsWritten(WrittenTy);
Specialization->setTemplateKeywordLoc(TemplateKWLoc);
}
- TemplateArgsIn.release();
// C++ [temp.expl.spec]p9:
// A template explicit specialization is in the scope of the
@@ -5579,7 +5609,7 @@ Sema::ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec,
Decl *Sema::ActOnTemplateDeclarator(Scope *S,
MultiTemplateParamsArg TemplateParameterLists,
Declarator &D) {
- Decl *NewDecl = HandleDeclarator(S, D, move(TemplateParameterLists));
+ Decl *NewDecl = HandleDeclarator(S, D, TemplateParameterLists);
ActOnDocumentableDecl(NewDecl);
return NewDecl;
}
@@ -5598,7 +5628,7 @@ Decl *Sema::ActOnStartOfFunctionTemplateDef(Scope *FnBodyScope,
D.setFunctionDefinitionKind(FDK_Definition);
Decl *DP = HandleDeclarator(ParentScope, D,
- move(TemplateParameterLists));
+ TemplateParameterLists);
if (FunctionTemplateDecl *FunctionTemplate
= dyn_cast_or_null<FunctionTemplateDecl>(DP))
return ActOnStartOfFunctionDef(FnBodyScope,
@@ -5902,7 +5932,7 @@ Sema::CheckFunctionTemplateSpecialization(FunctionDecl *FD,
// Perform template argument deduction to determine whether we may be
// specializing this template.
// FIXME: It is somewhat wasteful to build
- TemplateDeductionInfo Info(Context, FD->getLocation());
+ TemplateDeductionInfo Info(FD->getLocation());
FunctionDecl *Specialization = 0;
if (TemplateDeductionResult TDK
= DeduceTemplateArguments(FunTmpl, ExplicitTemplateArgs,
@@ -6399,7 +6429,6 @@ Sema::ActOnExplicitInstantiation(Scope *S,
TemplateArgs,
Context.getTypeDeclType(Specialization));
Specialization->setTypeAsWritten(WrittenTy);
- TemplateArgsIn.release();
// Set source locations for keywords.
Specialization->setExternLoc(ExternLoc);
@@ -6475,9 +6504,8 @@ Sema::ActOnExplicitInstantiation(Scope *S,
Decl *TagD = ActOnTag(S, TagSpec, Sema::TUK_Reference,
KWLoc, SS, Name, NameLoc, Attr, AS_none,
/*ModulePrivateLoc=*/SourceLocation(),
- MultiTemplateParamsArg(*this, 0, 0),
- Owned, IsDependent, SourceLocation(), false,
- TypeResult());
+ MultiTemplateParamsArg(), Owned, IsDependent,
+ SourceLocation(), false, TypeResult());
assert(!IsDependent && "explicit instantiation of dependent name not yet handled");
if (!TagD)
@@ -6729,12 +6757,10 @@ DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
TemplateIdAnnotation *TemplateId = D.getName().TemplateId;
TemplateArgs.setLAngleLoc(TemplateId->LAngleLoc);
TemplateArgs.setRAngleLoc(TemplateId->RAngleLoc);
- ASTTemplateArgsPtr TemplateArgsPtr(*this,
- TemplateId->getTemplateArgs(),
+ ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(),
TemplateId->NumArgs);
translateTemplateArguments(TemplateArgsPtr, TemplateArgs);
HasExplicitTemplateArgs = true;
- TemplateArgsPtr.release();
}
// C++ [temp.explicit]p1:
@@ -6762,7 +6788,7 @@ DeclResult Sema::ActOnExplicitInstantiation(Scope *S,
if (!FunTmpl)
continue;
- TemplateDeductionInfo Info(Context, D.getIdentifierLoc());
+ TemplateDeductionInfo Info(D.getIdentifierLoc());
FunctionDecl *Specialization = 0;
if (TemplateDeductionResult TDK
= DeduceTemplateArguments(FunTmpl,
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 03:10:05 +0000