tqchen commented on a change in pull request #7330:
URL: https://github.com/apache/tvm/pull/7330#discussion_r563307342
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File path: include/tvm/node/container.h
##########
@@ -1449,31 +1449,41 @@ namespace runtime {
// Additional overloads for PackedFunc checking.
template <typename T>
struct ObjectTypeChecker<Array<T>> {
- static bool Check(const Object* ptr) {
- if (ptr == nullptr) return true;
- if (!ptr->IsInstance<ArrayNode>()) return false;
+ static Optional<String> Mismatch(const Object* ptr) {
+ if (ptr == nullptr) return Optional<String>();
+ if (!ptr->IsInstance<ArrayNode>()) return
Optional<String>(ptr->GetTypeKey());
const ArrayNode* n = static_cast<const ArrayNode*>(ptr);
- for (const ObjectRef& p : *n) {
- if (!ObjectTypeChecker<T>::Check(p.get())) {
- return false;
+ for (size_t i = 0; i < n->size(); i++) {
+ const ObjectRef& p = (*n)[i];
+ auto check_subtype = ObjectTypeChecker<T>::Mismatch(p.get());
+ if (static_cast<bool>(check_subtype)) {
+ return Optional<String>("Array[index " + std::to_string(i) + ": " +
check_subtype.value() +
+ "]");
}
}
- return true;
+ return Optional<String>();
}
static std::string TypeName() { return "Array[" +
ObjectTypeChecker<T>::TypeName() + "]"; }
};
template <typename K, typename V>
struct ObjectTypeChecker<Map<K, V>> {
- static bool Check(const Object* ptr) {
- if (ptr == nullptr) return true;
- if (!ptr->IsInstance<MapNode>()) return false;
+ static Optional<String> Mismatch(const Object* ptr) {
+ if (ptr == nullptr) return Optional<String>();
+ if (!ptr->IsInstance<MapNode>()) return
Optional<String>(ptr->GetTypeKey());
const MapNode* n = static_cast<const MapNode*>(ptr);
for (const auto& kv : *n) {
- if (!ObjectTypeChecker<K>::Check(kv.first.get())) return false;
- if (!ObjectTypeChecker<V>::Check(kv.second.get())) return false;
+ Optional<String> key_type =
ObjectTypeChecker<K>::Mismatch(kv.first.get());
+ Optional<String> value_type =
ObjectTypeChecker<K>::Mismatch(kv.first.get());
+ if (static_cast<bool>(key_type) || static_cast<bool>(value_type)) {
Review comment:
Both works
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