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1d5e483b44
(only disabled code is touched) git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@38494 a592a061-630c-0410-9148-cb99ea01b6c8
79 lines
1.7 KiB
C++
79 lines
1.7 KiB
C++
/**
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* \file lassert.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author André Pönitz
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* \author Peter Kümmel
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "support/debug.h"
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#include <boost/assert.hpp>
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//#define LYX_CALLSTACK_PRINTING
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// must be linked with -rdynamic
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#ifdef LYX_CALLSTACK_PRINTING
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#include <cstdio>
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#include <cstdlib>
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#include <execinfo.h>
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#include <cxxabi.h>
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#endif
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namespace lyx {
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void doAssert(char const * expr, char const * file, long line)
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{
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// TODO Should we try to print the call stack before exiting?
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LYXERR0("ASSERTION " << expr << " VIOLATED IN " << file << ":" << line);
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// comment this out if not needed
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BOOST_ASSERT(false);
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}
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//TODO Return as string, so call stack could be used in dialogs.
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void printCallStack()
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{
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#ifdef LYX_CALLSTACK_PRINTING
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const int depth = 50;
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// get void*'s for all entries on the stack
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void* array[depth];
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size_t size = backtrace(array, depth);
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char** messages = backtrace_symbols(array, size);
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for (size_t i = 0; i < size && messages != NULL; i++) {
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std::string orig(messages[i]);
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// extract mangled: bin/lyx2.0(_ZN3lyx7support7packageEv+0x32) [0x8a2e02b]
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char* mangled = 0;
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for (char *p = messages[i]; *p; ++p) {
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if (*p == '(') {
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*p = 0;
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mangled = p + 1;
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} else if (*p == '+') {
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*p = 0;
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break;
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}
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}
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int err = 0;
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char* demangled = abi::__cxa_demangle(mangled, 0, 0, &err);
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if (err == 0) {
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fprintf(stderr, "[bt]: (%d) %s %s\n", i, messages[i], demangled);
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free((void*)demangled);
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} else {
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fprintf(stderr, "[bt]: (%d) %s\n", i, orig.c_str());
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}
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}
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#endif
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}
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} // namespace lyx
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