[LyX/master] print callstack on assert

[Peter Kümmel]

commit ada262a78b2ec12e9697783b27523b8c13b51066
Author: Peter Kümmel <kuem...@lyx.org>
Date:   Wed Aug 27 19:40:40 2014 +0200

    print callstack on assert

diff --git a/src/support/lassert.cpp b/src/support/lassert.cpp
index 281330e..fa2ffb0 100644
--- a/src/support/lassert.cpp
+++ b/src/support/lassert.cpp
@@ -10,6 +10,7 @@
  */
 
 #include <config.h>
+#include <lassert.h>
 
 #include "support/convert.h"
 #include "support/debug.h"
@@ -35,13 +36,21 @@ namespace lyx {
 using namespace std;
 using namespace support;
 
-// TODO Should we try to print the call stack in the course of these?
+
+void doAssertWithCallstack(bool value)
+{
+       if (!value) {
+               printCallStack();
+               BOOST_ASSERT(false);
+       }
+}
+
 
 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);
+       doAssertWithCallstack(false);
 }
 
 
@@ -60,7 +69,7 @@ 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);
+       doAssertWithCallstack(false);
        throw ExceptionMessage(WarningException, _("Warning!"), 
                formatHelper(d, expr, file, line));
 }
@@ -70,7 +79,7 @@ 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);
+       doAssertWithCallstack(false);
        throw ExceptionMessage(BufferException, _("Buffer Error!"),
                formatHelper(d, expr, file, line));
 }
@@ -80,7 +89,7 @@ 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);
+       doAssertWithCallstack(false);
        throw ExceptionMessage(ErrorException, _("Fatal Exception!"),
                formatHelper(d, expr, file, line));
 }
diff --git a/src/support/lassert.h b/src/support/lassert.h
index f9328f3..3407b77 100644
--- a/src/support/lassert.h
+++ b/src/support/lassert.h
@@ -65,6 +65,8 @@ void doWarnIf(char const * expr, char const * file, long 
line);
 void doBufErr(char const * expr, char const * file, long line);
 void doAppErr(char const * expr, char const * file, long line);
 
+void doAssertWithCallstack(bool value);
+
 /// Print demangled callstack to stderr
 docstring printCallStack();