Diff: exception.h

Revision:

0:b47c2a7920c2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/exception.h	Fri Mar 16 16:34:18 2018 +0000
@@ -0,0 +1,118 @@
+///\file
+
+/******************************************************************************
+The MIT License(MIT)
+
+Embedded Template Library.
+https://github.com/ETLCPP/etl
+http://www.etlcpp.com
+
+Copyright(c) 2014 jwellbelove
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files(the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+******************************************************************************/
+
+#ifndef __ETL_EXCEPTION__
+#define __ETL_EXCEPTION__
+
+#include "platform.h"
+
+///\defgroup exception exception
+/// The base class for all ETL exceptions.
+///\ingroup utilities
+
+namespace etl
+{
+  //***************************************************************************
+  ///\ingroup exception
+  /// A low overhead exception base class.
+  //***************************************************************************
+  class exception
+  {
+  public:
+
+    typedef const char* string_type;
+    typedef int         numeric_type;
+
+#if defined(ETL_VERBOSE_ERRORS)
+    //*************************************************************************
+    /// Constructor.
+    //*************************************************************************
+    exception(string_type reason_, string_type file_, numeric_type line_)
+      : reason_text(reason_),
+        file_text(file_),
+        line(line_)
+    {
+    }
+#else
+    //*************************************************************************
+    /// Constructor.
+    //*************************************************************************
+    exception(string_type reason_, string_type file_, numeric_type line_)
+      : reason_text(reason_),
+        line(line_)
+    {
+    (void)file_;
+    }
+#endif
+
+    //***************************************************************************
+    /// Gets the reason for the exception.
+    /// \return const char* to the reason.
+    //***************************************************************************
+    string_type what() const
+    {
+      return reason_text;
+    }
+
+
+    //***************************************************************************
+    /// Gets the file for the exception.
+    /// \return const char* to the file.
+    //***************************************************************************
+    string_type file_name() const
+    {
+#if defined(ETL_VERBOSE_ERRORS)
+      return file_text;
+#else
+      return "";
+#endif
+    }
+
+    //***************************************************************************
+    /// Gets the line for the exception.
+    /// \return const char* to the line.
+    //***************************************************************************
+    numeric_type line_number() const
+    {
+      return line;
+    }
+
+  private:
+
+    string_type  reason_text; ///< The reason for the exception.
+#if defined(ETL_VERBOSE_ERRORS)
+    string_type  file_text;   ///< The file for the exception.
+#endif
+    numeric_type line;   ///< The line for the exception.
+  };
+}
+
+#endif
+