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;
}
// 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;
}