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cs440-acg/ext/openexr/IlmBase/Iex/IexBaseExc.cpp

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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.
+//
+///////////////////////////////////////////////////////////////////////////
+
+
+
+//---------------------------------------------------------------------
+//
+//	Constructors and destructors for our exception base class.
+//
+//---------------------------------------------------------------------
+
+#include "IexExport.h"
+#include "IexBaseExc.h"
+#include "IexMacros.h"
+
+#ifdef PLATFORM_WINDOWS
+#include <windows.h>
+#endif
+
+#include <stdlib.h>
+
+IEX_INTERNAL_NAMESPACE_SOURCE_ENTER
+
+
+namespace {
+
+StackTracer currentStackTracer = 0;
+
+} // namespace
+
+
+void	
+setStackTracer (StackTracer stackTracer)
+{
+    currentStackTracer = stackTracer;
+}
+
+
+StackTracer
+stackTracer ()
+{
+    return currentStackTracer;
+}
+
+
+BaseExc::BaseExc (const char* s) throw () :
+    std::string (s? s: ""),
+    _stackTrace (currentStackTracer? currentStackTracer(): "")
+{
+    // empty
+}
+
+
+BaseExc::BaseExc (const std::string &s) throw () :
+    std::string (s),
+    _stackTrace (currentStackTracer? currentStackTracer(): "")
+{
+    // empty
+}
+
+
+BaseExc::BaseExc (std::stringstream &s) throw () :
+    std::string (s.str()),
+    _stackTrace (currentStackTracer? currentStackTracer(): "")
+{
+    // empty
+}
+
+
+BaseExc::BaseExc (const BaseExc &be) throw () :
+    std::string (be),
+    _stackTrace (be._stackTrace)
+{
+    // empty
+}
+
+
+BaseExc::~BaseExc () throw ()
+{
+    // empty
+}
+
+
+const char *
+BaseExc::what () const throw ()
+{
+    return c_str();
+}
+
+
+BaseExc &
+BaseExc::assign (std::stringstream &s)
+{
+    std::string::assign (s.str());
+    return *this;
+}
+
+BaseExc &
+BaseExc::append (std::stringstream &s)
+{
+    std::string::append (s.str());
+    return *this;
+}
+
+IEX_INTERNAL_NAMESPACE_SOURCE_EXIT
+
+
+#ifdef PLATFORM_WINDOWS
+
+#pragma optimize("", off)
+void
+iex_debugTrap()
+{
+    if (0 != getenv("IEXDEBUGTHROW"))
+        ::DebugBreak();
+}
+#else
+void
+iex_debugTrap()
+{
+    // how to in Linux?
+    if (0 != ::getenv("IEXDEBUGTHROW"))
+        __builtin_trap();
+}
+#endif