1 files changed, 51 insertions, 0 deletions
diff --git a/compiler/nest/core/src/Schedule.cpp b/compiler/nest/core/src/Schedule.cpp
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+++ b/compiler/nest/core/src/Schedule.cpp
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+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "nest/Schedule.h"
+
+#include <cassert>
+#include <stdexcept>
+
+namespace nest
+{
+
+Schedule::Schedule(const Module &module) : _module{module}
+{
+  // NOTE This implementation assumes that VarContext sequentially assigns VarID
+  for (uint32_t n = 0; n < _module.var().count(); ++n)
+  {
+    _level.emplace_back(VarID{n});
+  }
+
+  assert(_level.size() == _module.var().count());
+}
+
+Var Schedule::at(const Level &lv) const { return Var{_level.at(lv.value())}; }
+
+Level Schedule::level(const Var &var) const
+{
+  for (uint32_t lv = 0; lv < _level.size(); ++lv)
+  {
+    if (_level.at(lv) == var.id())
+    {
+      return Level{lv};
+    }
+  }
+
+  throw std::invalid_argument{"var"};
+}
+
+} // namespace nest