r256403 - Revert r256399 "[Sema] ArrayRef-ize ActOnBaseSpecifiers. NFC"

David Blaikie via cfe-commits cfe-commits at lists.llvm.org
Thu Jan 7 18:58:20 PST 2016


On Thu, Dec 24, 2015 at 4:36 PM, Craig Topper via cfe-commits <
cfe-commits at lists.llvm.org> wrote:

> Author: ctopper
> Date: Thu Dec 24 18:36:02 2015
> New Revision: 256403
>
> URL: http://llvm.org/viewvc/llvm-project?rev=256403&view=rev
> Log:
> Revert r256399 "[Sema] ArrayRef-ize ActOnBaseSpecifiers. NFC"
>
> It broke lldb build.
>

Any idea why?


>
> Modified:
>     cfe/trunk/include/clang/AST/DeclCXX.h
>     cfe/trunk/include/clang/Sema/Sema.h
>     cfe/trunk/lib/AST/ASTImporter.cpp
>     cfe/trunk/lib/AST/DeclCXX.cpp
>     cfe/trunk/lib/Parse/ParseDeclCXX.cpp
>     cfe/trunk/lib/Sema/SemaDeclCXX.cpp
>     cfe/trunk/lib/Sema/SemaTemplateInstantiate.cpp
>
> Modified: cfe/trunk/include/clang/AST/DeclCXX.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/DeclCXX.h?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/AST/DeclCXX.h (original)
> +++ cfe/trunk/include/clang/AST/DeclCXX.h Thu Dec 24 18:36:02 2015
> @@ -701,7 +701,7 @@ public:
>    }
>
>    /// \brief Sets the base classes of this struct or class.
> -  void setBases(ArrayRef<const CXXBaseSpecifier *> Bases);
> +  void setBases(CXXBaseSpecifier const * const *Bases, unsigned NumBases);
>
>    /// \brief Retrieves the number of base classes of this class.
>    unsigned getNumBases() const { return data().NumBases; }
>
> Modified: cfe/trunk/include/clang/Sema/Sema.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Sema/Sema.h?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/include/clang/Sema/Sema.h (original)
> +++ cfe/trunk/include/clang/Sema/Sema.h Thu Dec 24 18:36:02 2015
> @@ -5365,10 +5365,10 @@ public:
>                                  SourceLocation BaseLoc,
>                                  SourceLocation EllipsisLoc);
>
> -  bool AttachBaseSpecifiers(CXXRecordDecl *Class,
> -                            MutableArrayRef<CXXBaseSpecifier *> Bases);
> -  void ActOnBaseSpecifiers(Decl *ClassDecl,
> -                           MutableArrayRef<CXXBaseSpecifier *> Bases);
> +  bool AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier
> **Bases,
> +                            unsigned NumBases);
> +  void ActOnBaseSpecifiers(Decl *ClassDecl, CXXBaseSpecifier **Bases,
> +                           unsigned NumBases);
>
>    bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base);
>    bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base,
>
> Modified: cfe/trunk/lib/AST/ASTImporter.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ASTImporter.cpp?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/AST/ASTImporter.cpp (original)
> +++ cfe/trunk/lib/AST/ASTImporter.cpp Thu Dec 24 18:36:02 2015
> @@ -2073,7 +2073,7 @@ bool ASTNodeImporter::ImportDefinition(R
>                                         EllipsisLoc));
>      }
>      if (!Bases.empty())
> -      ToCXX->setBases(Bases);
> +      ToCXX->setBases(Bases.data(), Bases.size());
>    }
>
>    if (shouldForceImportDeclContext(Kind))
>
> Modified: cfe/trunk/lib/AST/DeclCXX.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/DeclCXX.cpp?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/AST/DeclCXX.cpp (original)
> +++ cfe/trunk/lib/AST/DeclCXX.cpp Thu Dec 24 18:36:02 2015
> @@ -135,13 +135,14 @@ CXXRecordDecl::CreateDeserialized(const
>  }
>
>  void
> -CXXRecordDecl::setBases(ArrayRef<const CXXBaseSpecifier *> Bases) {
> +CXXRecordDecl::setBases(CXXBaseSpecifier const * const *Bases,
> +                        unsigned NumBases) {
>    ASTContext &C = getASTContext();
>
>    if (!data().Bases.isOffset() && data().NumBases > 0)
>      C.Deallocate(data().getBases());
>
> -  if (!Bases.empty()) {
> +  if (NumBases) {
>      // C++ [dcl.init.aggr]p1:
>      //   An aggregate is [...] a class with [...] no base classes [...].
>      data().Aggregate = false;
> @@ -157,9 +158,9 @@ CXXRecordDecl::setBases(ArrayRef<const C
>    // The virtual bases of this class.
>    SmallVector<const CXXBaseSpecifier *, 8> VBases;
>
> -  data().Bases = new(C) CXXBaseSpecifier [Bases.size()];
> -  data().NumBases = Bases.size();
> -  for (unsigned i = 0; i < Bases.size(); ++i) {
> +  data().Bases = new(C) CXXBaseSpecifier [NumBases];
> +  data().NumBases = NumBases;
> +  for (unsigned i = 0; i < NumBases; ++i) {
>      data().getBases()[i] = *Bases[i];
>      // Keep track of inherited vbases for this base class.
>      const CXXBaseSpecifier *Base = Bases[i];
>
> Modified: cfe/trunk/lib/Parse/ParseDeclCXX.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseDeclCXX.cpp?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Parse/ParseDeclCXX.cpp (original)
> +++ cfe/trunk/lib/Parse/ParseDeclCXX.cpp Thu Dec 24 18:36:02 2015
> @@ -1844,7 +1844,7 @@ void Parser::ParseBaseClause(Decl *Class
>    }
>
>    // Attach the base specifiers
> -  Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo);
> +  Actions.ActOnBaseSpecifiers(ClassDecl, BaseInfo.data(),
> BaseInfo.size());
>  }
>
>  /// ParseBaseSpecifier - Parse a C++ base-specifier. A base-specifier is
>
> Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Thu Dec 24 18:36:02 2015
> @@ -1553,9 +1553,9 @@ NoteIndirectBases(ASTContext &Context, I
>
>  /// \brief Performs the actual work of attaching the given base class
>  /// specifiers to a C++ class.
> -bool Sema::AttachBaseSpecifiers(CXXRecordDecl *Class,
> -                                MutableArrayRef<CXXBaseSpecifier *>
> Bases) {
> - if (Bases.empty())
> +bool Sema::AttachBaseSpecifiers(CXXRecordDecl *Class, CXXBaseSpecifier
> **Bases,
> +                                unsigned NumBases) {
> + if (NumBases == 0)
>      return false;
>
>    // Used to keep track of which base types we have already seen, so
> @@ -1571,7 +1571,7 @@ bool Sema::AttachBaseSpecifiers(CXXRecor
>    // Copy non-redundant base specifiers into permanent storage.
>    unsigned NumGoodBases = 0;
>    bool Invalid = false;
> -  for (unsigned idx = 0; idx < Bases.size(); ++idx) {
> +  for (unsigned idx = 0; idx < NumBases; ++idx) {
>      QualType NewBaseType
>        = Context.getCanonicalType(Bases[idx]->getType());
>      NewBaseType = NewBaseType.getLocalUnqualifiedType();
> @@ -1597,7 +1597,7 @@ bool Sema::AttachBaseSpecifiers(CXXRecor
>        Bases[NumGoodBases++] = Bases[idx];
>
>        // Note this base's direct & indirect bases, if there could be
> ambiguity.
> -      if (Bases.size() > 1)
> +      if (NumBases > 1)
>          NoteIndirectBases(Context, IndirectBaseTypes, NewBaseType);
>
>        if (const RecordType *Record = NewBaseType->getAs<RecordType>()) {
> @@ -1619,7 +1619,7 @@ bool Sema::AttachBaseSpecifiers(CXXRecor
>    }
>
>    // Attach the remaining base class specifiers to the derived class.
> -  Class->setBases(Bases.slice(0, NumGoodBases));
> +  Class->setBases(Bases, NumGoodBases);
>
>    for (unsigned idx = 0; idx < NumGoodBases; ++idx) {
>      // Check whether this direct base is inaccessible due to ambiguity.
> @@ -1654,13 +1654,13 @@ bool Sema::AttachBaseSpecifiers(CXXRecor
>  /// ActOnBaseSpecifiers - Attach the given base specifiers to the
>  /// class, after checking whether there are any duplicate base
>  /// classes.
> -void Sema::ActOnBaseSpecifiers(Decl *ClassDecl,
> -                               MutableArrayRef<CXXBaseSpecifier *> Bases)
> {
> -  if (!ClassDecl || Bases.empty())
> +void Sema::ActOnBaseSpecifiers(Decl *ClassDecl, CXXBaseSpecifier **Bases,
> +                               unsigned NumBases) {
> +  if (!ClassDecl || !Bases || !NumBases)
>      return;
>
>    AdjustDeclIfTemplate(ClassDecl);
> -  AttachBaseSpecifiers(cast<CXXRecordDecl>(ClassDecl), Bases);
> +  AttachBaseSpecifiers(cast<CXXRecordDecl>(ClassDecl), Bases, NumBases);
>  }
>
>  /// \brief Determine whether the type \p Derived is a C++ class that is
>
> Modified: cfe/trunk/lib/Sema/SemaTemplateInstantiate.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaTemplateInstantiate.cpp?rev=256403&r1=256402&r2=256403&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Sema/SemaTemplateInstantiate.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaTemplateInstantiate.cpp Thu Dec 24 18:36:02 2015
> @@ -1837,7 +1837,9 @@ Sema::SubstBaseSpecifiers(CXXRecordDecl
>        Invalid = true;
>    }
>
> -  if (!Invalid && AttachBaseSpecifiers(Instantiation, InstantiatedBases))
> +  if (!Invalid &&
> +      AttachBaseSpecifiers(Instantiation, InstantiatedBases.data(),
> +                           InstantiatedBases.size()))
>      Invalid = true;
>
>    return Invalid;
>
>
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