/**
- * \file assert.cpp
+ * \file lassert.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
- * \author André Pönitz
+ * \author André Pönitz
+ * \author Peter Kümmel
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
+#include "support/convert.h"
#include "support/debug.h"
+#include "support/docstring.h"
+#include "support/ExceptionMessage.h"
+#include "support/gettext.h"
+#include "support/lstrings.h"
#include <boost/assert.hpp>
+
+//#define LYX_CALLSTACK_PRINTING
+// must be linked with -rdynamic
+#ifdef LYX_CALLSTACK_PRINTING
+#include <cstdio>
+#include <cstdlib>
+#include <execinfo.h>
+#include <cxxabi.h>
+#endif
+
+
namespace lyx {
-void doAssert(char const * expr, char const * file, long line)
+using namespace std;
+using namespace support;
+
+// TODO Should we try to print the call stack in the course of these?
+
+void doAssert(char const * expr, char const * file, long line)
+{
+ LYXERR0("ASSERTION " << expr << " VIOLATED IN " << file << ":" << line);
+ // comment this out if not needed
+ BOOST_ASSERT(false);
+}
+
+
+docstring formatHelper(docstring const & msg,
+ char const * expr, char const * file, long line)
{
+ docstring const d = _("Assertion %1$s violated in\nfile: %2$s, line: %3$s");
LYXERR0("ASSERTION " << expr << " VIOLATED IN " << file << ":" << line);
+
+ return bformat(d, from_ascii(expr), from_ascii(file),
+ convert<docstring>(line)) + '\n' + msg;
+}
+
+
+void doWarnIf(char const * expr, char const * file, long line)
+{
+ docstring const d = _("It should be safe to continue, but you\nmay wish to save your work and restart LyX.");
// comment this out if not needed
BOOST_ASSERT(false);
+ throw ExceptionMessage(WarningException, _("Warning!"),
+ formatHelper(d, expr, file, line));
+}
+
+
+void doBufErr(char const * expr, char const * file, long line)
+{
+ docstring const d = _("There has been an error with this document.\nLyX will attempt to close it safely.");
+ // comment this out if not needed
+ BOOST_ASSERT(false);
+ throw ExceptionMessage(BufferException, _("Buffer Error!"),
+ formatHelper(d, expr, file, line));
+}
+
+
+void doAppErr(char const * expr, char const * file, long line)
+{
+ docstring const d = _("LyX has encountered an application error\nand will now shut down.");
+ // comment this out if not needed
+ BOOST_ASSERT(false);
+ throw ExceptionMessage(ErrorException, _("Fatal Exception!"),
+ formatHelper(d, expr, file, line));
+}
+
+
+//TODO Return as string, so call stack could be used in dialogs.
+void printCallStack()
+{
+#ifdef LYX_CALLSTACK_PRINTING
+ const int depth = 50;
+
+ // get void*'s for all entries on the stack
+ void* array[depth];
+ size_t size = backtrace(array, depth);
+
+ char** messages = backtrace_symbols(array, size);
+
+ for (size_t i = 0; i < size && messages != NULL; i++) {
+ std::string orig(messages[i]);
+ // extract mangled: bin/lyx2.0(_ZN3lyx7support7packageEv+0x32) [0x8a2e02b]
+ char* mangled = 0;
+ for (char *p = messages[i]; *p; ++p) {
+ if (*p == '(') {
+ *p = 0;
+ mangled = p + 1;
+ } else if (*p == '+') {
+ *p = 0;
+ break;
+ }
+ }
+ int err = 0;
+ char* demangled = abi::__cxa_demangle(mangled, 0, 0, &err);
+ if (err == 0) {
+ fprintf(stderr, "[bt]: (%d) %s %s\n", i, messages[i], demangled);
+ free((void*)demangled);
+ } else {
+ fprintf(stderr, "[bt]: (%d) %s\n", i, orig.c_str());
+ }
+ }
+#endif
}
} // namespace lyx