1 files changed, 80 insertions, 0 deletions
diff --git a/compiler/oops/include/oops/InternalExn.h b/compiler/oops/include/oops/InternalExn.h
new file mode 100644
index 000000000..0e11085c0
--- /dev/null
+++ b/compiler/oops/include/oops/InternalExn.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2019 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.
+ */
+
+#ifndef __OOPS_INTERNAL_EXN_H__
+#define __OOPS_INTERNAL_EXN_H__
+
+#include <exception>
+#include <string>
+
+/// @ brief throw internal exception with message
+#define INTERNAL_EXN(msg) throw oops::InternalExn(__FILE__, __LINE__, msg)
+
+/// @ brief throw internal exception with message and value
+#define INTERNAL_EXN_V(msg, val) throw oops::InternalExn(__FILE__, __LINE__, msg, val)
+
+namespace oops
+{
+
+template <typename T> uint32_t to_uint32(T a) { return static_cast<uint32_t>(a); }
+
+/**
+ * @brief Exception caused by internal error
+ *
+ * Note: Please use the above MACROs
+ */
+class InternalExn : public std::exception
+{
+public:
+  InternalExn(const char *filename, const int line, const std::string &msg)
+      : _filename(filename), _line(line), _msg(msg)
+  {
+    construct_full_msg();
+  }
+
+  explicit InternalExn(const char *filename, const int line, const std::string &msg, uint32_t val)
+      : _filename(filename), _line(line), _msg(msg + ": " + std::to_string(val))
+  {
+    construct_full_msg();
+  }
+
+  explicit InternalExn(const char *filename, const int line, const std::string &msg,
+                       const std::string &val)
+      : _filename(filename), _line(line), _msg(msg + ": " + val)
+  {
+    construct_full_msg();
+  }
+
+  const char *what() const noexcept override { return _full_msg.c_str(); }
+
+private:
+  const std::string _filename;
+  const uint32_t _line;
+  const std::string _msg;
+
+private:
+  void construct_full_msg()
+  {
+    _full_msg =
+        "Internal Exception. " + _msg + " [" + _filename + ":" + std::to_string(_line) + "]";
+  }
+
+  std::string _full_msg;
+};
+
+} // namespace oops
+
+#endif // __OOPS_INTERNAL_EXN_H__