1 files changed, 99 insertions, 0 deletions
diff --git a/compiler/coco/core/src/IR/OpManager.cpp b/compiler/coco/core/src/IR/OpManager.cpp
new file mode 100644
index 000000000..c87b704fe
--- /dev/null
+++ b/compiler/coco/core/src/IR/OpManager.cpp
@@ -0,0 +1,99 @@
+/*
+ * 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 "coco/IR/OpManager.h"
+
+#include <stdex/Memory.h>
+
+#include <cassert>
+#include <queue>
+#include <set>
+
+using stdex::make_unique;
+
+namespace coco
+{
+
+OpManager::~OpManager()
+{
+  std::set<coco::Op *> roots;
+
+  for (uint32_t n = 0; n < size(); ++n)
+  {
+    auto op = at(n);
+
+    if (op->up() != nullptr)
+    {
+      continue;
+    }
+
+    roots.insert(op);
+  }
+
+  for (const auto &op : roots)
+  {
+    destroy_all(op);
+  }
+}
+
+//
+// Each Op class SHOULD be default constructible
+//
+#define OP(Name)                                  \
+  template <> Name *OpManager::create<Name>(void) \
+  {                                               \
+    auto op = make_unique<Name>();                \
+    modulize(op.get());                           \
+    return take(std::move(op));                   \
+  }
+#include "coco/IR/Op.lst"
+#undef OP
+
+void OpManager::destroy(Op *op)
+{
+  assert(op->parent() == nullptr);
+  release(op);
+}
+
+void OpManager::destroy_all(Op *op)
+{
+  assert(op->parent() == nullptr);
+  assert(op->up() == nullptr);
+
+  std::queue<coco::Op *> q;
+
+  q.emplace(op);
+
+  while (q.size() > 0)
+  {
+    auto cur = q.front();
+    q.pop();
+
+    // Insert child op nodes
+    for (uint32_t n = 0; n < cur->arity(); ++n)
+    {
+      if (auto child = cur->arg(n))
+      {
+        q.emplace(child);
+      }
+    }
+
+    // Destroy the current op node
+    destroy(cur);
+  }
+}
+
+} // namespace coco