diff options
Diffstat (limited to 'lib/AST/ExprCXX.cpp')
| -rw-r--r-- | lib/AST/ExprCXX.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/lib/AST/ExprCXX.cpp b/lib/AST/ExprCXX.cpp index cb6b8703f5..7980049c49 100644 --- a/lib/AST/ExprCXX.cpp +++ b/lib/AST/ExprCXX.cpp @@ -28,6 +28,9 @@ #include "clang/Basic/OperatorKinds.h" #include "clang/Basic/SourceLocation.h" #include "clang/Basic/Specifiers.h" +#include "clang/Sema/Template.h" +#include "clang/Sema/SemaDiagnostic.h" +#include "clang/Sema/Sema.h" #include "llvm/ADT/ArrayRef.h" #include "llvm/Support/Casting.h" #include "llvm/Support/ErrorHandling.h" @@ -1680,3 +1683,82 @@ CUDAKernelCallExpr *CUDAKernelCallExpr::CreateEmpty(const ASTContext &Ctx, alignof(CUDAKernelCallExpr)); return new (Mem) CUDAKernelCallExpr(NumArgs, Empty); } + +ConceptSpecializationExpr::ConceptSpecializationExpr(ASTContext &C, + NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, + SourceLocation ConceptNameLoc, NamedDecl *FoundDecl, + ConceptDecl *NamedConcept, const ASTTemplateArgumentListInfo *ArgsAsWritten, + ArrayRef<TemplateArgument> ConvertedArgs, Optional<bool> IsSatisfied) + : Expr(ConceptSpecializationExprClass, C.BoolTy, VK_RValue, OK_Ordinary, + /*TypeDependent=*/false, + // All the flags below are set in setTemplateArguments. + /*ValueDependent=*/!IsSatisfied.hasValue(), + /*InstantiationDependent=*/false, + /*ContainsUnexpandedParameterPacks=*/false), + NestedNameSpec(NNS), TemplateKWLoc(TemplateKWLoc), + ConceptNameLoc(ConceptNameLoc), FoundDecl(FoundDecl), + NamedConcept(NamedConcept, IsSatisfied ? *IsSatisfied : true), + NumTemplateArgs(ConvertedArgs.size()) { + + setTemplateArguments(ArgsAsWritten, ConvertedArgs); +} + +ConceptSpecializationExpr::ConceptSpecializationExpr(EmptyShell Empty, + unsigned NumTemplateArgs) + : Expr(ConceptSpecializationExprClass, Empty), + NumTemplateArgs(NumTemplateArgs) { } + +void ConceptSpecializationExpr::setTemplateArguments( + const ASTTemplateArgumentListInfo *ArgsAsWritten, + ArrayRef<TemplateArgument> Converted) { + assert(Converted.size() == NumTemplateArgs); + assert(!this->ArgsAsWritten && "setTemplateArguments can only be used once"); + this->ArgsAsWritten = ArgsAsWritten; + std::uninitialized_copy(Converted.begin(), Converted.end(), + getTrailingObjects<TemplateArgument>()); + bool IsInstantiationDependent = false; + bool ContainsUnexpandedParameterPack = false; + for (const TemplateArgumentLoc& LocInfo : ArgsAsWritten->arguments()) { + if (LocInfo.getArgument().isInstantiationDependent()) + IsInstantiationDependent = true; + if (LocInfo.getArgument().containsUnexpandedParameterPack()) + ContainsUnexpandedParameterPack = true; + if (ContainsUnexpandedParameterPack && IsInstantiationDependent) + break; + } + + // Currently guaranteed by the fact concepts can only be at namespace-scope. + assert(!NestedNameSpec || + (!NestedNameSpec.getNestedNameSpecifier()->isInstantiationDependent() && + !NestedNameSpec.getNestedNameSpecifier() + ->containsUnexpandedParameterPack())); + setInstantiationDependent(IsInstantiationDependent); + setContainsUnexpandedParameterPack(ContainsUnexpandedParameterPack); + assert((!isValueDependent() || isInstantiationDependent()) && + "should not be value-dependent"); +} + +ConceptSpecializationExpr * +ConceptSpecializationExpr::Create(ASTContext &C, NestedNameSpecifierLoc NNS, + SourceLocation TemplateKWLoc, + SourceLocation ConceptNameLoc, + NamedDecl *FoundDecl, + ConceptDecl *NamedConcept, + const ASTTemplateArgumentListInfo *ArgsAsWritten, + ArrayRef<TemplateArgument> ConvertedArgs, + Optional<bool> IsSatisfied) { + void *Buffer = C.Allocate(totalSizeToAlloc<TemplateArgument>( + ConvertedArgs.size())); + return new (Buffer) ConceptSpecializationExpr(C, NNS, TemplateKWLoc, + ConceptNameLoc, FoundDecl, + NamedConcept, ArgsAsWritten, + ConvertedArgs, IsSatisfied); +} + +ConceptSpecializationExpr * +ConceptSpecializationExpr::Create(ASTContext &C, EmptyShell Empty, + unsigned NumTemplateArgs) { + void *Buffer = C.Allocate(totalSizeToAlloc<TemplateArgument>( + NumTemplateArgs)); + return new (Buffer) ConceptSpecializationExpr(Empty, NumTemplateArgs); +}
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