--- /dev/null
+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
+// Digital Ltd. LLC
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Industrial Light & Magic nor the names of
+// its contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+///////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef INCLUDED_IEXMACROS_H
+#define INCLUDED_IEXMACROS_H
+
+//--------------------------------------------------------------------
+//
+// Macros which make throwing exceptions more convenient
+//
+//--------------------------------------------------------------------
+
+#include <sstream>
+
+
+//----------------------------------------------------------------------------
+// A macro to throw exceptions whose text is assembled using stringstreams.
+//
+// Example:
+//
+// THROW (InputExc, "Syntax error in line " << line ", " << file << ".");
+//
+//----------------------------------------------------------------------------
+
+#define THROW(type, text) \
+ do \
+ { \
+ std::stringstream s; \
+ s << text; \
+ throw type (s); \
+ } \
+ while (0)
+
+
+//----------------------------------------------------------------------------
+// Macros to add to or to replace the text of an exception.
+// The new text is assembled using stringstreams.
+//
+// Examples:
+//
+// Append to end of an exception's text:
+//
+// catch (BaseExc &e)
+// {
+// APPEND_EXC (e, " Directory " << name << " does not exist.");
+// throw;
+// }
+//
+// Replace an exception's text:
+//
+// catch (BaseExc &e)
+// {
+// REPLACE_EXC (e, "Directory " << name << " does not exist. " << e);
+// throw;
+// }
+//----------------------------------------------------------------------------
+
+#define APPEND_EXC(exc, text) \
+ do \
+ { \
+ std::stringstream s; \
+ s << text; \
+ exc.append (s); \
+ } \
+ while (0)
+
+#define REPLACE_EXC(exc, text) \
+ do \
+ { \
+ std::stringstream s; \
+ s << text; \
+ exc.assign (s); \
+ } \
+ while (0)
+
+
+//-------------------------------------------------------------
+// A macro to throw ErrnoExc exceptions whose text is assembled
+// using stringstreams:
+//
+// Example:
+//
+// THROW_ERRNO ("Cannot open file " << name << " (%T).");
+//
+//-------------------------------------------------------------
+
+#define THROW_ERRNO(text) \
+ do \
+ { \
+ std::stringstream s; \
+ s << text; \
+ ::Iex::throwErrnoExc (s.str()); \
+ } \
+ while (0)
+
+
+//-------------------------------------------------------------
+// A macro to throw exceptions if an assertion is false.
+//
+// Example:
+//
+// ASSERT (NullExc, ptr != NULL, "Null pointer" );
+//
+//-------------------------------------------------------------
+
+#define ASSERT(assertion, type, text) \
+ do \
+ { \
+ if( (assertion) == false ) \
+ THROW( type, text ); \
+ } \
+ while (0)
+
+
+#endif