Imported healpix tree

external/healpix/cxxsupport/error_handling.h

@@ -0,0 +1,100 @@
+/*
+ *  This file is part of libcxxsupport.
+ *
+ *  libcxxsupport is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  libcxxsupport is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with libcxxsupport; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+/*
+ *  libcxxsupport is being developed at the Max-Planck-Institut fuer Astrophysik
+ *  and financially supported by the Deutsches Zentrum fuer Luft- und Raumfahrt
+ *  (DLR).
+ */
+
+/*
+ *  Utilities for error reporting
+ *
+ *  Copyright (C) 2003 - 2010 Max-Planck-Society
+ *  Authors: Reinhard Hell, Martin Reinecke
+ */
+
+#ifndef PLANCK_ERROR_HANDLING_H
+#define PLANCK_ERROR_HANDLING_H
+
+#include <string>
+#include <iostream>
+
+#if defined (__GNUC__)
+#define PLANCK_FUNC_NAME__ __PRETTY_FUNCTION__
+#else
+#define PLANCK_FUNC_NAME__ 0
+#endif
+
+void planck_failure__(const char *file, int line, const char *func,
+  const std::string &msg);
+void planck_failure__(const char *file, int line, const char *func,
+  const char *msg);
+void killjob__();
+
+class PlanckError
+  {
+  private:
+    std::string msg;
+
+  public:
+    explicit PlanckError(const std::string &message);
+    explicit PlanckError(const char *message);
+
+    virtual const char* what() const
+      { return msg.c_str(); }
+
+    virtual ~PlanckError() {}
+  };
+
+/*! \defgroup errorgroup Error handling */
+/*! \{ */
+
+/*! Writes diagnostic output and exits with an error status. */
+#define planck_fail(msg) \
+do { planck_failure__(__FILE__,__LINE__,PLANCK_FUNC_NAME__,msg); \
+throw PlanckError(msg); } while(0)
+
+/*! Throws a PlanckError without diagnostic message. */
+#define planck_fail_quietly(msg) \
+do { throw PlanckError(msg); } while(0)
+
+/*! Writes diagnostic output and exits with an error status if \a testval
+    is \a false. */
+#define planck_assert(testval,msg) \
+do { if (testval); else planck_fail(msg); } while(0)
+
+/*! Macro for improving error diagnostics. Should be placed immediately
+    after the opening brace of \c main(). Must be used in conjunction with
+    \c PLANCK_DIAGNOSIS_END. */
+#define PLANCK_DIAGNOSIS_BEGIN try {
+/*! Macro for improving error diagnostics. Should be placed immediately
+    before the closing brace of \c main(). Must be used in conjunction with
+    \c PLANCK_DIAGNOSIS_BEGIN. */
+#define PLANCK_DIAGNOSIS_END \
+} \
+catch (PlanckError &) \
+  { killjob__(); /* no need for further diagnostics; they were shown already */ } \
+catch (std::exception &e) \
+  { std::cerr << "std::exception: " << e.what() << std::endl; killjob__(); } \
+catch (...) \
+  { std::cerr << "Unknown exception" << std::endl; killjob__(); }
+
+/*! \} */
+
+#endif