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-rw-r--r--include/clang/AST/Decl.h10
-rw-r--r--include/clang/AST/DeclBase.h14
-rw-r--r--include/clang/Sema/Sema.h4
-rw-r--r--lib/AST/ASTDumper.cpp6
-rw-r--r--lib/AST/Decl.cpp4
-rw-r--r--lib/AST/DeclBase.cpp9
-rw-r--r--lib/Sema/Sema.cpp9
-rw-r--r--lib/Sema/SemaDecl.cpp15
-rw-r--r--lib/Sema/SemaLookup.cpp57
9 files changed, 46 insertions, 82 deletions
diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h
index bba40e56b0..67f704119a 100644
--- a/include/clang/AST/Decl.h
+++ b/include/clang/AST/Decl.h
@@ -301,16 +301,6 @@ public:
using Decl::isModulePrivate;
using Decl::setModulePrivate;
- /// \brief Determine whether this declaration is hidden from name lookup.
- bool isHidden() const { return Hidden; }
-
- /// \brief Set whether this declaration is hidden from name lookup.
- void setHidden(bool Hide) {
- assert((!Hide || isFromASTFile() || hasLocalOwningModuleStorage()) &&
- "declaration with no owning module can't be hidden");
- Hidden = Hide;
- }
-
/// \brief Determine whether this declaration is a C++ class member.
bool isCXXClassMember() const {
const DeclContext *DC = getDeclContext();
diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index 15ac11a5a7..08879b36cc 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -706,6 +706,20 @@ public:
reinterpret_cast<Module **>(this)[-1] = M;
}
+ Module *getOwningModule() const {
+ return isFromASTFile() ? getImportedOwningModule() : getLocalOwningModule();
+ }
+
+ /// \brief Determine whether this declaration is hidden from name lookup.
+ bool isHidden() const { return Hidden; }
+
+ /// \brief Set whether this declaration is hidden from name lookup.
+ void setHidden(bool Hide) {
+ assert((!Hide || isFromASTFile() || hasLocalOwningModuleStorage()) &&
+ "declaration with no owning module can't be hidden");
+ Hidden = Hide;
+ }
+
unsigned getIdentifierNamespace() const {
return IdentifierNamespace;
}
diff --git a/include/clang/Sema/Sema.h b/include/clang/Sema/Sema.h
index 86c995c54f..feaf936924 100644
--- a/include/clang/Sema/Sema.h
+++ b/include/clang/Sema/Sema.h
@@ -1463,11 +1463,9 @@ private:
VisibleModuleSet VisibleModules;
- Module *CachedFakeTopLevelModule;
-
public:
/// \brief Get the module owning an entity.
- Module *getOwningModule(Decl *Entity);
+ Module *getOwningModule(Decl *Entity) { return Entity->getOwningModule(); }
/// \brief Make a merged definition of an existing hidden definition \p ND
/// visible at the specified location.
diff --git a/lib/AST/ASTDumper.cpp b/lib/AST/ASTDumper.cpp
index ef491ab06f..d89be0d9e6 100644
--- a/lib/AST/ASTDumper.cpp
+++ b/lib/AST/ASTDumper.cpp
@@ -1038,10 +1038,10 @@ void ASTDumper::dumpDecl(const Decl *D) {
dumpSourceRange(D->getSourceRange());
OS << ' ';
dumpLocation(D->getLocation());
- if (Module *M = D->getImportedOwningModule())
+ if (D->isFromASTFile())
+ OS << " imported";
+ if (Module *M = D->getOwningModule())
OS << " in " << M->getFullModuleName();
- else if (Module *M = D->getLocalOwningModule())
- OS << " in (local) " << M->getFullModuleName();
if (auto *ND = dyn_cast<NamedDecl>(D))
for (Module *M : D->getASTContext().getModulesWithMergedDefinition(
const_cast<NamedDecl *>(ND)))
diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 0f2558e24b..a1342f477b 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -47,9 +47,7 @@ bool Decl::isOutOfLine() const {
TranslationUnitDecl::TranslationUnitDecl(ASTContext &ctx)
: Decl(TranslationUnit, nullptr, SourceLocation()),
- DeclContext(TranslationUnit), Ctx(ctx), AnonymousNamespace(nullptr) {
- Hidden = Ctx.getLangOpts().ModulesLocalVisibility;
-}
+ DeclContext(TranslationUnit), Ctx(ctx), AnonymousNamespace(nullptr) {}
//===----------------------------------------------------------------------===//
// NamedDecl Implementation
diff --git a/lib/AST/DeclBase.cpp b/lib/AST/DeclBase.cpp
index 5c2c9cbd01..97b7465b42 100644
--- a/lib/AST/DeclBase.cpp
+++ b/lib/AST/DeclBase.cpp
@@ -83,7 +83,9 @@ void *Decl::operator new(std::size_t Size, const ASTContext &Ctx,
char *Buffer = reinterpret_cast<char *>(
::operator new(ExtraAlign + sizeof(Module *) + Size + Extra, Ctx));
Buffer += ExtraAlign;
- return new (Buffer) Module*(nullptr) + 1;
+ auto *ParentModule =
+ Parent ? cast<Decl>(Parent)->getOwningModule() : nullptr;
+ return new (Buffer) Module*(ParentModule) + 1;
}
return ::operator new(Size + Extra, Ctx);
}
@@ -273,6 +275,11 @@ void Decl::setLexicalDeclContext(DeclContext *DC) {
getMultipleDC()->LexicalDC = DC;
}
Hidden = cast<Decl>(DC)->Hidden;
+ if (Hidden && !isFromASTFile()) {
+ assert(hasLocalOwningModuleStorage() &&
+ "hidden local declaration without local submodule visibility?");
+ setLocalOwningModule(cast<Decl>(DC)->getOwningModule());
+ }
}
void Decl::setDeclContextsImpl(DeclContext *SemaDC, DeclContext *LexicalDC,
diff --git a/lib/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index ca1d27e950..e7b0914641 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -93,11 +93,10 @@ Sema::Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer,
ValueWithBytesObjCTypeMethod(nullptr), NSArrayDecl(nullptr),
ArrayWithObjectsMethod(nullptr), NSDictionaryDecl(nullptr),
DictionaryWithObjectsMethod(nullptr), GlobalNewDeleteDeclared(false),
- TUKind(TUKind), NumSFINAEErrors(0), CachedFakeTopLevelModule(nullptr),
- AccessCheckingSFINAE(false), InNonInstantiationSFINAEContext(false),
- NonInstantiationEntries(0), ArgumentPackSubstitutionIndex(-1),
- CurrentInstantiationScope(nullptr), DisableTypoCorrection(false),
- TyposCorrected(0), AnalysisWarnings(*this),
+ TUKind(TUKind), NumSFINAEErrors(0), AccessCheckingSFINAE(false),
+ InNonInstantiationSFINAEContext(false), NonInstantiationEntries(0),
+ ArgumentPackSubstitutionIndex(-1), CurrentInstantiationScope(nullptr),
+ DisableTypoCorrection(false), TyposCorrected(0), AnalysisWarnings(*this),
ThreadSafetyDeclCache(nullptr), VarDataSharingAttributesStack(nullptr),
CurScope(nullptr), Ident_super(nullptr), Ident___float128(nullptr) {
TUScope = nullptr;
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index fb5f56e052..cd404c6019 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -16034,6 +16034,14 @@ void Sema::ActOnModuleBegin(SourceLocation DirectiveLoc, Module *Mod) {
ModuleScopes.back().OuterVisibleModules = std::move(VisibleModules);
VisibleModules.setVisible(Mod, DirectiveLoc);
+
+ // The enclosing context is now part of this module.
+ // FIXME: Consider creating a child DeclContext to hold the entities
+ // lexically within the module.
+ if (getLangOpts().ModulesLocalVisibility) {
+ cast<Decl>(CurContext)->setHidden(true);
+ cast<Decl>(CurContext)->setLocalOwningModule(Mod);
+ }
}
void Sema::ActOnModuleEnd(SourceLocation EomLoc, Module *Mod) {
@@ -16062,6 +16070,13 @@ void Sema::ActOnModuleEnd(SourceLocation EomLoc, Module *Mod) {
DirectiveLoc = EomLoc;
}
BuildModuleInclude(DirectiveLoc, Mod);
+
+ // Any further declarations are in whatever module we returned to.
+ if (getLangOpts().ModulesLocalVisibility) {
+ cast<Decl>(CurContext)->setLocalOwningModule(getCurrentModule());
+ if (!getCurrentModule())
+ cast<Decl>(CurContext)->setHidden(false);
+ }
}
void Sema::createImplicitModuleImportForErrorRecovery(SourceLocation Loc,
diff --git a/lib/Sema/SemaLookup.cpp b/lib/Sema/SemaLookup.cpp
index c5b579a4b2..04350831c6 100644
--- a/lib/Sema/SemaLookup.cpp
+++ b/lib/Sema/SemaLookup.cpp
@@ -1326,62 +1326,6 @@ bool Sema::CppLookupName(LookupResult &R, Scope *S) {
return !R.empty();
}
-Module *Sema::getOwningModule(Decl *Entity) {
- // If it's imported, grab its owning module.
- Module *M = Entity->getImportedOwningModule();
- if (M || !isa<NamedDecl>(Entity) || !cast<NamedDecl>(Entity)->isHidden())
- return M;
- assert(!Entity->isFromASTFile() &&
- "hidden entity from AST file has no owning module");
-
- if (!getLangOpts().ModulesLocalVisibility) {
- // If we're not tracking visibility locally, the only way a declaration
- // can be hidden and local is if it's hidden because it's parent is (for
- // instance, maybe this is a lazily-declared special member of an imported
- // class).
- auto *Parent = cast<NamedDecl>(Entity->getDeclContext());
- assert(Parent->isHidden() && "unexpectedly hidden decl");
- return getOwningModule(Parent);
- }
-
- // It's local and hidden; grab or compute its owning module.
- M = Entity->getLocalOwningModule();
- if (M)
- return M;
-
- if (auto *Containing =
- PP.getModuleContainingLocation(Entity->getLocation())) {
- M = Containing;
- } else if (Entity->isInvalidDecl() || Entity->getLocation().isInvalid()) {
- // Don't bother tracking visibility for invalid declarations with broken
- // locations.
- cast<NamedDecl>(Entity)->setHidden(false);
- } else {
- // We need to assign a module to an entity that exists outside of any
- // module, so that we can hide it from modules that we textually enter.
- // Invent a fake module for all such entities.
- if (!CachedFakeTopLevelModule) {
- CachedFakeTopLevelModule =
- PP.getHeaderSearchInfo().getModuleMap().findOrCreateModule(
- "<top-level>", nullptr, false, false).first;
-
- auto &SrcMgr = PP.getSourceManager();
- SourceLocation StartLoc =
- SrcMgr.getLocForStartOfFile(SrcMgr.getMainFileID());
- auto &TopLevel = ModuleScopes.empty()
- ? VisibleModules
- : ModuleScopes[0].OuterVisibleModules;
- TopLevel.setVisible(CachedFakeTopLevelModule, StartLoc);
- }
-
- M = CachedFakeTopLevelModule;
- }
-
- if (M)
- Entity->setLocalOwningModule(M);
- return M;
-}
-
void Sema::makeMergedDefinitionVisible(NamedDecl *ND) {
if (auto *M = getCurrentModule())
Context.mergeDefinitionIntoModule(ND, M);
@@ -1520,7 +1464,6 @@ bool LookupResult::isVisibleSlow(Sema &SemaRef, NamedDecl *D) {
if (SemaRef.getLangOpts().ModulesLocalVisibility) {
DeclModule = SemaRef.getOwningModule(D);
if (!DeclModule) {
- // getOwningModule() may have decided the declaration should not be hidden.
assert(!D->isHidden() && "hidden decl not from a module");
return true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 01:37:17 +0000