Le 16/01/2013 16:41, Tobias Boege a écrit : > Hi Benoit, > > converting an old Gambas2 project of a certain Mr. Fuchs I found gbx3 > aborting from QT when we do a rather strange Picture load: > > Static P As Picture = Picture["url"] > > in an _exported class_. The test project isolating the issue is attached. > > GDB shows the following: > > --8<--------------- > > ... > (gdb) r > ... > QPixmap: Must construct a QApplication before a QPaintDevice > > Program received signal SIGABRT, Aborted. > 0x00007ffff713d2c5 in raise () from /usr/lib/libc.so.6 > (gdb) bt > #0 0x00007ffff713d2c5 in raise () from /usr/lib/libc.so.6 > #1 0x00007ffff713e748 in abort () from /usr/lib/libc.so.6 > #2 0x00007ffff435d334 in qt_message_output(QtMsgType, char const*) () from > /usr/lib/libQtCore.so.4 > #3 0x00007ffff435d4e8 in ?? () from /usr/lib/libQtCore.so.4 > #4 0x00007ffff435d674 in qFatal(char const*, ...) () from > /usr/lib/libQtCore.so.4 > #5 0x00007ffff4a54a6e in ?? () from /usr/lib/libQtGui.so.4 > #6 0x00007ffff4a55fe1 in QPixmap::QPixmap() () from /usr/lib/libQtGui.so.4 > #7 0x00007ffff6170fcb in CPICTURE_new (_object=0x7e82d8, > _param=0x7ffff65d5040) at CPicture.cpp:230 > #8 0x0000000000412495 in EXEC_native () at gbx_exec.c:1332 > #9 0x000000000041343c in EXEC_special (special=0, class=0x6a6d38, > object=0x7e82d8, nparam=0, drop=1 '\001') at gbx_exec.c:1640 > #10 0x00000000004136c8 in EXEC_special_inheritance (special=0, > class=0x6a6d38, object=0x7e82d8, nparam=0, drop=1 '\001') at gbx_exec.c:1696 > #11 0x00000000004445a5 in OBJECT_create (class=0x6a6d38, name=0x0, > parent=0x0, nparam=0) at gbx_object.c:404 > #12 0x0000000000437f68 in GB_New (class=0x6a6d38, name=0x0, parent=0x0) at > gbx_api.c:1864 > #13 0x00007ffff61703bf in create () at CPicture.cpp:55 > #14 0x00007ffff6170a9e in get_picture (path=0x7b3017 "knob.png", len=8) at > ../share/gb.form.picture.h:177 > #15 0x00007ffff6170e2f in CPICTURE_get (_object=0x0, _param=0x7ffff65d5020) > at CPicture.cpp:188 > #16 0x0000000000412495 in EXEC_native () at gbx_exec.c:1332 > #17 0x000000000041343c in EXEC_special (special=2, class=0x6a6d38, > object=0x0, nparam=1, drop=0 '\000') at gbx_exec.c:1640 > #18 0x0000000000416235 in EXEC_push_array (code=770) at gbx_exec_push.c:637 > #19 0x000000000045a3f8 in EXEC_loop () at gbx_exec_loop.c:570 > #20 0x0000000000410750 in EXEC_function_loop () at gbx_exec.c:906 > #21 0x00000000004103a7 in EXEC_function_real () at gbx_exec.c:870 > #22 0x000000000041fa66 in CLASS_run_inits (class=0x73f478) at > gbx_class_load.c:1267 > #23 0x000000000041fb85 in CLASS_load_real (class=0x73f478) at > gbx_class_load.c:1303 > #24 0x000000000043dd23 in ARCHIVE_load_exported_class (arch=0x68ff58) at > gbx_archive.c:148 > #25 0x000000000043df79 in ARCHIVE_load_main () at gbx_archive.c:235 > #26 0x000000000042761c in PROJECT_load_finish () at gbx_project.c:476 > #27 0x0000000000441fe9 in init (file=0x464598 ".", argc=1, > argv=0x7fffffffe6e8) at gbx.c:108 > #28 0x0000000000442a02 in main (argc=1, argv=0x7fffffffe6e8) at gbx.c:348 > > --8<--------------- > > gbx3 revision is #5499. This report is just in case you care fixing it. A > (more sane) workaround is simple.
The exported class is loaded before qt4 is initialized, and so the library aborts the program. Maybe I can initialize qt4 sooner, I will see... > > BTW: I found some elementary (means: only Gambas keywords involved) syntax > in this project which wasn't recognised by the automatic converter. Do you > want to have a report for this, too? Yes. If I can make the conversion automatic, I will do it. Regards, -- Benoît Minisini ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122912 _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
