void DeclContext::makeDeclVisibleInContext(NamedDecl *D, bool Recoverable) {
// FIXME: This feels like a hack. Should DeclarationName support
// template-ids, or is there a better way to keep specializations
// from being visible?
if (isa<ClassTemplateSpecializationDecl>(D) || D->isTemplateParameter())
return;
if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
if (FD->isFunctionTemplateSpecialization())
return;
DeclContext *PrimaryContext = getPrimaryContext();
if (PrimaryContext != this) {
PrimaryContext->makeDeclVisibleInContext(D, Recoverable);
return;
}
// If we already have a lookup data structure, perform the insertion
// into it. If we haven't deserialized externally stored decls, deserialize
// them so we can add the decl. Otherwise, be lazy and don't build that
// structure until someone asks for it.
if (LookupPtr || !Recoverable || hasExternalVisibleStorage())
makeDeclVisibleInContextImpl(D);
// If we are a transparent context or inline namespace, insert into our
// parent context, too. This operation is recursive.
if (isTransparentContext() || isInlineNamespace())
getParent()->makeDeclVisibleInContext(D, Recoverable);
Decl *DCAsDecl = cast<Decl>(this);
// Notify that a decl was made visible unless it's a Tag being defined.
if (!(isa<TagDecl>(DCAsDecl) && cast<TagDecl>(DCAsDecl)->isBeingDefined()))
if (ASTMutationListener *L = DCAsDecl->getASTMutationListener())
L->AddedVisibleDecl(this, D);
}
void DeclContext::makeDeclVisibleInContextWithFlags(NamedDecl *D, bool Internal,
bool Recoverable) {
assert(this == getPrimaryContext() && "expected a primary DC");
// Skip declarations within functions.
// FIXME: We shouldn't need to build lookup tables for function declarations
// ever, and we can't do so correctly because we can't model the nesting of
// scopes which occurs within functions. We use "qualified" lookup into
// function declarations when handling friend declarations inside nested
// classes, and consequently accept the following invalid code:
//
// void f() { void g(); { int g; struct S { friend void g(); }; } }
if (isFunctionOrMethod() && !isa<FunctionDecl>(D))
return;
// Skip declarations which should be invisible to name lookup.
if (shouldBeHidden(D))
return;
// If we already have a lookup data structure, perform the insertion into
// it. If we might have externally-stored decls with this name, look them
// up and perform the insertion. If this decl was declared outside its
// semantic context, buildLookup won't add it, so add it now.
//
// FIXME: As a performance hack, don't add such decls into the translation
// unit unless we're in C++, since qualified lookup into the TU is never
// performed.
if (LookupPtr.getPointer() || hasExternalVisibleStorage() ||
((!Recoverable || D->getDeclContext() != D->getLexicalDeclContext()) &&
(getParentASTContext().getLangOpts().CPlusPlus ||
!isTranslationUnit()))) {
// If we have lazily omitted any decls, they might have the same name as
// the decl which we are adding, so build a full lookup table before adding
// this decl.
buildLookup();
makeDeclVisibleInContextImpl(D, Internal);
} else {
LookupPtr.setInt(true);
}
// If we are a transparent context or inline namespace, insert into our
// parent context, too. This operation is recursive.
if (isTransparentContext() || isInlineNamespace())
getParent()->getPrimaryContext()->
makeDeclVisibleInContextWithFlags(D, Internal, Recoverable);
Decl *DCAsDecl = cast<Decl>(this);
// Notify that a decl was made visible unless we are a Tag being defined.
if (!(isa<TagDecl>(DCAsDecl) && cast<TagDecl>(DCAsDecl)->isBeingDefined()))
if (ASTMutationListener *L = DCAsDecl->getASTMutationListener())
L->AddedVisibleDecl(this, D);
}