bool Sema::ActOnSuperScopeSpecifier(SourceLocation SuperLoc,
SourceLocation ColonColonLoc,
CXXScopeSpec &SS) {
CXXRecordDecl *RD = nullptr;
for (Scope *S = getCurScope(); S; S = S->getParent()) {
if (S->isFunctionScope()) {
if (CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(S->getEntity()))
RD = MD->getParent();
break;
}
if (S->isClassScope()) {
RD = cast<CXXRecordDecl>(S->getEntity());
break;
}
}
if (!RD) {
Diag(SuperLoc, diag::err_invalid_super_scope);
return true;
} else if (RD->isLambda()) {
Diag(SuperLoc, diag::err_super_in_lambda_unsupported);
return true;
} else if (RD->getNumBases() == 0) {
Diag(SuperLoc, diag::err_no_base_classes) << RD->getName();
return true;
}
SS.MakeSuper(Context, RD, SuperLoc, ColonColonLoc);
return false;
}
void RecordInfo::walkBases() {
// This traversal is akin to CXXRecordDecl::forallBases()'s,
// but without stepping over dependent bases -- these might also
// have a "GC base name", so are to be included and considered.
SmallVector<const CXXRecordDecl*, 8> queue;
const CXXRecordDecl *base_record = record();
while (true) {
for (const auto& it : base_record->bases()) {
const RecordType *type = it.getType()->getAs<RecordType>();
CXXRecordDecl* base;
if (!type)
base = GetDependentTemplatedDecl(*it.getType());
else {
base = cast_or_null<CXXRecordDecl>(type->getDecl()->getDefinition());
if (base)
queue.push_back(base);
}
if (!base)
continue;
const std::string& name = base->getName();
if (Config::IsGCBase(name)) {
gc_base_names_.push_back(name);
is_gc_derived_ = true;
}
}
if (queue.empty())
break;
base_record = queue.pop_back_val(); // not actually a queue.
}
}
// A GC mixin is a class that inherits from a GC mixin base and has
// has not yet been "mixed in" with another GC base class.
bool RecordInfo::IsGCMixin() {
if (!IsGCDerived() || base_paths_->begin() == base_paths_->end())
return false;
// Get the last element of the first path.
CXXBasePaths::paths_iterator it = base_paths_->begin();
const CXXBasePathElement& elem = (*it)[it->size() - 1];
CXXRecordDecl* base = elem.Base->getType()->getAsCXXRecordDecl();
// If it is not a mixin base we are done.
if (!Config::IsGCMixinBase(base->getName()))
return false;
// This is a mixin if there are no other paths to GC bases.
return ++it == base_paths_->end();
}
bool RecordInfo::IsGCFinalized() {
if (!IsGCDerived())
return false;
for (CXXBasePaths::paths_iterator it = base_paths_->begin();
it != base_paths_->end();
++it) {
const CXXBasePathElement& elem = (*it)[it->size() - 1];
CXXRecordDecl* base = elem.Base->getType()->getAsCXXRecordDecl();
if (Config::IsGCFinalizedBase(base->getName()))
return true;
}
return false;
}
void VarCheckVisitor::checkClass(clang::Decl* d)
{
auto loc = getDeclLocation(d);
CXXRecordDecl* c = (CXXRecordDecl*)d;
string name = c->getName();
boost::regex r{CLASS_NAME};
if(!boost::regex_match(name, r)){
lineIssues_.push_back(Issue(loc.first, loc.second,
"Incorrect Class/Struct name",
"Classes and Structures should be named in upper camel case.",
WARNING));
}
}
bool RecordInfo::IsTreeShared() {
if (Config::IsTreeSharedBase(name_))
return true;
if (!IsGCDerived())
return false;
for (CXXBasePaths::paths_iterator it = base_paths_->begin();
it != base_paths_->end();
++it) {
// TreeShared is an immediate base of GCFinalized.
if (it->size() < 2) continue;
const CXXBasePathElement& elem = (*it)[it->size() - 2];
CXXRecordDecl* base = elem.Base->getType()->getAsCXXRecordDecl();
if (Config::IsTreeSharedBase(base->getName()))
return true;
}
return false;
}
