test=develop

lite/api/cxx_api.cc

@@ -152,7 +152,7 @@ std::vector<std::string> Predictor::GetOutputNames() { return output_names_; }
 
 // get param names
 std::vector<std::string> Predictor::GetParamNames() {
-  return exec_scope_->VarNames();
+  return exec_scope_->AttributeVarNames();
 }
 
 // append the names of inputs and outputs into input_names_ and output_names_

lite/core/scope.cc

@@ -60,14 +60,12 @@ Variable *Scope::FindLocalVar(const std::string &name) const {
   return nullptr;
 }
 
-std::vector<std::string> Scope::VarNames() const {
+std::vector<std::string> Scope::AttributeVarNames() const {
   std::vector<std::string> resulted_keys;
-  auto keys = LocalVarNames();
-  resulted_keys.insert(resulted_keys.end(), keys.begin(), keys.end());
   const Scope *cur_scope = this;
   while (cur_scope->parent()) {
     cur_scope = cur_scope->parent();
-    keys = cur_scope->LocalVarNames();
+    auto keys = cur_scope->LocalVarNames();
     resulted_keys.insert(resulted_keys.end(), keys.begin(), keys.end());
   }
   return resulted_keys;

lite/core/scope.h

@@ -45,8 +45,8 @@ class Scope final {
 
   const Scope* parent() const { return parent_; }
 
-  // Get all params in each scope.
-  std::vector<std::string> VarNames() const;
+  // Get attribute params stored in parent scopes.
+  std::vector<std::string> AttributeVarNames() const;
   // Following the legacy scope interface.
   std::vector<std::string> LocalVarNames() const;