mirror of
https://github.com/Icinga/icinga2.git
synced 2025-11-04 13:45:04 +01:00
378 lines
9.8 KiB
C++
378 lines
9.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "base/exception.hpp"
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#include <boost/thread/tss.hpp>
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#include <boost/foreach.hpp>
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#ifdef HAVE_CXXABI_H
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# include <cxxabi.h>
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#endif /* HAVE_CXXABI_H */
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using namespace icinga;
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static boost::thread_specific_ptr<StackTrace> l_LastExceptionStack;
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static boost::thread_specific_ptr<ContextTrace> l_LastExceptionContext;
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#ifdef HAVE_CXXABI_H
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# if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ > 3)
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# define TYPEINFO_TYPE std::type_info
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# else
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# define TYPEINFO_TYPE void
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# endif
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# if !defined(__GLIBCXX__) && !defined(_WIN32)
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static boost::thread_specific_ptr<void *> l_LastExceptionObj;
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static boost::thread_specific_ptr<TYPEINFO_TYPE *> l_LastExceptionPvtInfo;
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typedef void (*DestCallback)(void *);
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static boost::thread_specific_ptr<DestCallback> l_LastExceptionDest;
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extern "C" void __cxa_throw(void *obj, TYPEINFO_TYPE *pvtinfo, void (*dest)(void *));
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extern "C" void __cxa_rethrow_primary_exception(void* thrown_object);
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# endif /* !__GLIBCXX__ && !_WIN32 */
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#endif /* HAVE_CXXABI_H */
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void icinga::RethrowUncaughtException(void)
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{
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#if defined(__GLIBCXX__) || !defined(HAVE_CXXABI_H)
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throw;
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#else /* __GLIBCXX__ || _WIN32 */
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__cxa_throw(*l_LastExceptionObj.get(), *l_LastExceptionPvtInfo.get(), *l_LastExceptionDest.get());
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#endif /* __GLIBCXX__ || _WIN32 */
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}
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#ifdef HAVE_CXXABI_H
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extern "C"
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void __cxa_throw(void *obj, TYPEINFO_TYPE *pvtinfo, void (*dest)(void *))
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{
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std::type_info *tinfo = static_cast<std::type_info *>(pvtinfo);
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typedef void (*cxa_throw_fn)(void *, std::type_info *, void (*)(void *)) __attribute__((noreturn));
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static cxa_throw_fn real_cxa_throw;
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#ifndef __GLIBCXX__
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l_LastExceptionObj.reset(new void *(obj));
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l_LastExceptionPvtInfo.reset(new TYPEINFO_TYPE *(pvtinfo));
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l_LastExceptionDest.reset(new DestCallback(dest));
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#endif /* __GLIBCXX__ */
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if (real_cxa_throw == 0)
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real_cxa_throw = (cxa_throw_fn)dlsym(RTLD_NEXT, "__cxa_throw");
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#ifdef __GLIBCXX__
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void *thrown_ptr = obj;
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const std::type_info *boost_exc = &typeid(boost::exception);
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const std::type_info *user_exc = &typeid(user_error);
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/* Check if the exception is a pointer type. */
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if (tinfo->__is_pointer_p())
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thrown_ptr = *(void **)thrown_ptr;
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if (!user_exc->__do_catch(tinfo, &thrown_ptr, 1)) {
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#endif /* __GLIBCXX__ */
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StackTrace stack;
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SetLastExceptionStack(stack);
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ContextTrace context;
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SetLastExceptionContext(context);
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#ifdef __GLIBCXX__
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/* Check if thrown_ptr inherits from boost::exception. */
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if (boost_exc->__do_catch(tinfo, &thrown_ptr, 1)) {
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boost::exception *ex = (boost::exception *)thrown_ptr;
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if (boost::get_error_info<StackTraceErrorInfo>(*ex) == NULL)
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*ex << StackTraceErrorInfo(stack);
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if (boost::get_error_info<ContextTraceErrorInfo>(*ex) == NULL)
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*ex << ContextTraceErrorInfo(context);
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}
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}
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#endif /* __GLIBCXX__ */
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real_cxa_throw(obj, tinfo, dest);
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}
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#endif /* HAVE_CXXABI_H */
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StackTrace *icinga::GetLastExceptionStack(void)
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{
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return l_LastExceptionStack.get();
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}
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void icinga::SetLastExceptionStack(const StackTrace& trace)
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{
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l_LastExceptionStack.reset(new StackTrace(trace));
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}
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ContextTrace *icinga::GetLastExceptionContext(void)
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{
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return l_LastExceptionContext.get();
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}
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void icinga::SetLastExceptionContext(const ContextTrace& context)
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{
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l_LastExceptionContext.reset(new ContextTrace(context));
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}
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String icinga::DiagnosticInformation(const std::exception& ex, bool verbose, StackTrace *stack, ContextTrace *context)
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{
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std::ostringstream result;
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String message = ex.what();
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const ValidationError *vex = dynamic_cast<const ValidationError *>(&ex);
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if (message.IsEmpty())
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result << boost::diagnostic_information(ex) << "\n";
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else
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result << "Error: " << message << "\n";
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const ScriptError *dex = dynamic_cast<const ScriptError *>(&ex);
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if (dex && !dex->GetDebugInfo().Path.IsEmpty())
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ShowCodeLocation(result, dex->GetDebugInfo());
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if (vex) {
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DebugInfo di;
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ConfigObject::Ptr dobj = vex->GetObject();
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if (dobj)
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di = dobj->GetDebugInfo();
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Dictionary::Ptr currentHint = vex->GetDebugHint();
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Array::Ptr messages;
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if (currentHint) {
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BOOST_FOREACH(const String& attr, vex->GetAttributePath()) {
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Dictionary::Ptr props = currentHint->Get("properties");
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if (!props)
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break;
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currentHint = props->Get(attr);
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if (!currentHint)
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break;
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messages = currentHint->Get("messages");
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}
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}
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if (messages && messages->GetLength() > 0) {
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Array::Ptr message = messages->Get(messages->GetLength() - 1);
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di.Path = message->Get(1);
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di.FirstLine = message->Get(2);
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di.FirstColumn = message->Get(3);
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di.LastLine = message->Get(4);
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di.LastColumn = message->Get(5);
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}
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if (!di.Path.IsEmpty())
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ShowCodeLocation(result, di);
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}
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const user_error *uex = dynamic_cast<const user_error *>(&ex);
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const posix_error *pex = dynamic_cast<const posix_error *>(&ex);
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if (!uex && !pex && verbose) {
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const StackTrace *st = boost::get_error_info<StackTraceErrorInfo>(ex);
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if (st) {
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result << *st;
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} else {
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result << std::endl;
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if (!stack)
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stack = GetLastExceptionStack();
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if (stack)
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result << *stack;
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}
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if (boost::get_error_info<ContextTraceErrorInfo>(ex) == NULL) {
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result << std::endl;
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if (!context)
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context = GetLastExceptionContext();
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if (context)
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result << *context;
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}
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}
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return result.str();
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}
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String icinga::DiagnosticInformation(boost::exception_ptr eptr, bool verbose)
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{
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StackTrace *pt = GetLastExceptionStack();
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StackTrace stack;
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ContextTrace *pc = GetLastExceptionContext();
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ContextTrace context;
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if (pt)
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stack = *pt;
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if (pc)
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context = *pc;
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try {
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boost::rethrow_exception(eptr);
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} catch (const std::exception& ex) {
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return DiagnosticInformation(ex, verbose, pt ? &stack : NULL, pc ? &context : NULL);
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}
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return boost::diagnostic_information(eptr);
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}
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ScriptError::ScriptError(const String& message)
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: m_Message(message), m_IncompleteExpr(false)
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{ }
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ScriptError::ScriptError(const String& message, const DebugInfo& di, bool incompleteExpr)
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: m_Message(message), m_DebugInfo(di), m_IncompleteExpr(incompleteExpr), m_HandledByDebugger(false)
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{ }
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ScriptError::~ScriptError(void) throw()
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{ }
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const char *ScriptError::what(void) const throw()
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{
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return m_Message.CStr();
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}
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DebugInfo ScriptError::GetDebugInfo(void) const
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{
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return m_DebugInfo;
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}
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bool ScriptError::IsIncompleteExpression(void) const
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{
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return m_IncompleteExpr;;
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}
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bool ScriptError::IsHandledByDebugger(void) const
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{
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return m_HandledByDebugger;
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}
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void ScriptError::SetHandledByDebugger(bool handled)
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{
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m_HandledByDebugger = handled;
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}
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posix_error::posix_error(void)
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: m_Message(NULL)
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{ }
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posix_error::~posix_error(void) throw()
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{
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free(m_Message);
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}
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const char *posix_error::what(void) const throw()
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{
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if (!m_Message) {
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std::ostringstream msgbuf;
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const char * const *func = boost::get_error_info<boost::errinfo_api_function>(*this);
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if (func)
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msgbuf << "Function call '" << *func << "'";
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else
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msgbuf << "Function call";
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const std::string *fname = boost::get_error_info<boost::errinfo_file_name>(*this);
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if (fname)
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msgbuf << " for file '" << *fname << "'";
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msgbuf << " failed";
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const int *errnum = boost::get_error_info<boost::errinfo_errno>(*this);
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if (errnum)
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msgbuf << " with error code " << *errnum << ", '" << strerror(*errnum) << "'";
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String str = msgbuf.str();
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m_Message = strdup(str.CStr());
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}
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return m_Message;
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}
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ValidationError::ValidationError(const ConfigObject::Ptr& object, const std::vector<String>& attributePath, const String& message)
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: m_Object(object), m_AttributePath(attributePath), m_Message(message)
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{
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String path;
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BOOST_FOREACH(const String& attribute, attributePath) {
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if (!path.IsEmpty())
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path += " -> ";
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path += "'" + attribute + "'";
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}
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Type::Ptr type = object->GetReflectionType();
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m_What = "Validation failed for object '" + object->GetName() + "' of type '" + type->GetName() + "'";
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if (!path.IsEmpty())
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m_What += "; Attribute " + path;
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m_What += ": " + message;
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}
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ValidationError::~ValidationError(void) throw()
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{ }
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const char *ValidationError::what(void) const throw()
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{
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return m_What.CStr();
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}
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ConfigObject::Ptr ValidationError::GetObject(void) const
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{
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return m_Object;
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}
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std::vector<String> ValidationError::GetAttributePath(void) const
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{
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return m_AttributePath;
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}
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String ValidationError::GetMessage(void) const
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{
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return m_Message;
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}
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void ValidationError::SetDebugHint(const Dictionary::Ptr& dhint)
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{
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m_DebugHint = dhint;
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}
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Dictionary::Ptr ValidationError::GetDebugHint(void) const
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{
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return m_DebugHint;
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}
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