mirror of
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129 lines
3.2 KiB
C++
129 lines
3.2 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/convert.h"
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#include "support/debug.h"
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#include "support/docstring.h"
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#include "support/ExceptionMessage.h"
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#include "support/gettext.h"
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#include "support/lstrings.h"
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#include <boost/assert.hpp>
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#include <QString>
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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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using namespace std;
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using namespace support;
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// TODO Should we try to print the call stack in the course of these?
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void doAssert(char const * expr, char const * file, long line)
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{
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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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docstring formatHelper(docstring const & msg,
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char const * expr, char const * file, long line)
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{
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docstring const d = _("Assertion %1$s violated in\nfile: %2$s, line: %3$s");
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LYXERR0("ASSERTION " << expr << " VIOLATED IN " << file << ":" << line);
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return bformat(d, from_ascii(expr), from_ascii(file),
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convert<docstring>(line)) + '\n' + msg;
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}
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void doWarnIf(char const * expr, char const * file, long line)
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{
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docstring const d = _("It should be safe to continue, but you\nmay wish to save your work and restart LyX.");
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// comment this out if not needed
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BOOST_ASSERT(false);
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throw ExceptionMessage(WarningException, _("Warning!"),
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formatHelper(d, expr, file, line));
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}
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void doBufErr(char const * expr, char const * file, long line)
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{
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docstring const d = _("There has been an error with this document.\nLyX will attempt to close it safely.");
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// comment this out if not needed
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BOOST_ASSERT(false);
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throw ExceptionMessage(BufferException, _("Buffer Error!"),
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formatHelper(d, expr, file, line));
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}
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void doAppErr(char const * expr, char const * file, long line)
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{
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docstring const d = _("LyX has encountered an application error\nand will now shut down.");
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// comment this out if not needed
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BOOST_ASSERT(false);
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throw ExceptionMessage(ErrorException, _("Fatal Exception!"),
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formatHelper(d, expr, file, line));
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}
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docstring printCallStack()
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{
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#ifndef LYX_CALLSTACK_PRINTING
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return docstring();
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#else
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const int depth = 200;
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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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docstring bt;
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for (size_t i = 1; i < size && messages != NULL; i++) {
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const std::string orig(messages[i]);
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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 status = 0;
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const char* demangled = abi::__cxa_demangle(mangled, 0, 0, &status);
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const QByteArray line = QString("(%1) %2: %3\n").arg(i, 3).arg(messages[i])
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.arg(demangled ? demangled : orig.c_str()).toLocal8Bit();
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free((void*)demangled);
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fprintf(stderr, "%s", line.constData());
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bt += from_local8bit(line.constData());
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}
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return bt;
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#endif
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}
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} // namespace lyx
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