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cs440-acg/ext/openexr/IlmBase/Iex/IexMacros.h

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+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2002-2012, 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 << ".");
+//	
+//----------------------------------------------------------------------------
+
+#include "IexExport.h"
+#include "IexForward.h"
+
+IEX_EXPORT void iex_debugTrap();
+
+#define THROW(type, text)       \
+    do                          \
+    {                           \
+        iex_debugTrap();        \
+        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_NAMESPACE::throwErrnoExc (s.str()); \
+    }                                             \
+    while (0)
+
+
+//-------------------------------------------------------------
+// A macro to throw exceptions if an assertion is false.
+//
+// Example:
+//
+//	ASSERT (ptr != 0, NullExc, "Null pointer" );
+//
+//-------------------------------------------------------------
+
+#define ASSERT(assertion, type, text)   \
+    do                                  \
+    {                                   \
+        if( (assertion) == false )      \
+        {                               \
+            THROW( type, text );        \
+        }                               \
+    }                                   \
+    while (0)
+
+//-------------------------------------------------------------
+// A macro to throw an IEX_NAMESPACE::LogicExc if an assertion is false,
+// with the text composed from the source code file, line number,
+// and assertion argument text.
+//
+// Example:
+//
+//      LOGIC_ASSERT (i < n);
+//
+//-------------------------------------------------------------
+#define LOGIC_ASSERT(assertion)           \
+    ASSERT(assertion,                     \
+           IEX_NAMESPACE::LogicExc,       \
+           __FILE__ << "(" << __LINE__ << "): logical assertion failed: " << #assertion )
+
+#endif