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