[Qt-creator] Code completion doesn't work with ClangCodeModel

Yang Fan missdeer at gmail.com
Tue Jan 14 13:27:15 CET 2014


Here is another problem, it's on Mac OS X 10.9, and the binaries was
downloaded from the official website, but got the error messages below:

Here we go with ClangCompletionAssistProcessor....
*** Reparse for highlighting took 146 ms.
"warning" "/Users/yangfan/Development/Shareware/istkani/src/main.cpp"
[1:1(0)] "'QtCore/qcoreapplication.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtWidgets.framework/Headers/QApplication:1:"

"warning" "/Users/yangfan/Development/Shareware/istkani/src/main.cpp"
[1:10(9)] "'QtCore/qcoreapplication.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtWidgets.framework/Headers/QApplication:1:"

"warning"
"/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtWidgets.framework/Headers/QApplication"
[1:10(9)] "'QtCore/qcoreapplication.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtWidgets.framework/Headers/QApplication:1:"

"fatal"
"/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtWidgets.framework/Headers/qapplication.h"
[45:10(2028)] "'QtCore/qcoreapplication.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:1:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtWidgets.framework/Headers/QApplication:1:"

"warning" "/Users/yangfan/Development/Shareware/istkani/src/main.cpp"
[16:10(377)] "'QtCore/qvariant.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:16:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/rootnavigatormodel.h:4:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtCore.framework/Headers/QAbstractListModel:1:"

"warning"
"/Users/yangfan/Development/Shareware/istkani/src/rootnavigatormodel.h"
[4:10(71)] "'QtCore/qvariant.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:16:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/rootnavigatormodel.h:4:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtCore.framework/Headers/QAbstractListModel:1:"

"warning"
"/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtCore.framework/Headers/QAbstractListModel"
[1:10(9)] "'QtCore/qvariant.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:16:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/rootnavigatormodel.h:4:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtCore.framework/Headers/QAbstractListModel:1:"

"fatal"
"/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtCore.framework/Headers/qabstractitemmodel.h"
[45:10(2037)] "'QtCore/qvariant.h' file not found
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/main.cpp:16:
  in file included from
/Users/yangfan/Development/Shareware/istkani/src/rootnavigatormodel.h:4:
  in file included from
/Users/yangfan/Qt5.2.0/5.2.0/clang_64/lib/QtCore.framework/Headers/QAbstractListModel:1:"

*** Highlighting took 159 ms in total.
*** Fast re-indexing took 0 ms in total.
... Completion done in 140 ms, with 0 items.



On Tue, Jan 14, 2014 at 7:19 PM, Sergey Shambir <
sergey.shambir.auto at gmail.com> wrote:

> Unfortunately project building and indexing are handled separately.
> ClangCodeModel does not take compiler flags in the same way as compiler -
> it attempts to infer them from metadata. Project meta collected by build
> system specific parser which is part of build system plugin.
>
> So ClangCodeModel just will not see fPIC flag nor on cmake neither on
> other build system.
>
> Year ago I made patches to fix this limitation, but I also should make a
> few modifications in ClangCodeModel plugin to make it work. Since clang
> branch was merged, that's time to finish it, so please wait a few weeks :)
>
> After that flag-related bugs still will happen on some build systems such
> as autotools and especially on windows.
> 14 янв. 2014 г. 13:17 пользователь "Bernhard Seßler" <
> bernhard.sessler at corscience.de> написал:
>
> Hi,
>>
>> your own project needs to be build with either -fPIC or -fPIE (as it's
>> using the
>> pre-built Qt 5.2.0 libraries which have PIC enabled by default)
>>
>> Regards,
>> Bernhard
>>
>>
>> On 14.01.2014 10:06, Yang Fan wrote:
>> > Hi,
>> >
>> > One more question, which target should be built with the option -fPIE or
>> > -fPIC? The libclang so? The ClangCodeModel plugin? The QtCreator IDE?
>> Or my
>> > own project edited by QtCreator?
>> >
>> >
>> > On Tue, Jan 14, 2014 at 4:47 PM, Bernhard Seßler <
>> > bernhard.sessler at corscience.de> wrote:
>> >
>> >> Hi,
>> >>
>> >> as far as I can see, you've got another problem: the binaries from
>> >> qt-project.org were configured with the -reduce-relocations switch
>> (and
>> >> thus
>> >> build with the -fPIC compiler switch), which means that your
>> executable /
>> >> library also must be compiled with position independent code activated
>> >> (see:
>> >> http://en.wikipedia.org/wiki/Position-independent_code).
>> >>
>> >> All in all it's just adding the -fPIE (when building an executable) or
>> >> -fPIC
>> >> command line switch (when building a library) to the compiler arguments
>> >> (in case
>> >> you're using gcc).
>> >>
>> >> E.g. using CMake as build system (>= 2.8.9), it's as simple as:
>> >>
>> >> set(CMAKE_POSITION_INDEPENDENT_CODE ON)
>> >>
>> >> to enable generating position independent code for all top level
>> targets,
>> >> or
>> >>
>> >> set_target_properties(<target> PROPERTIES POSITION_INDEPENDENT_CODE ON)
>> >>
>> >> to enable it only for the given <target>.
>> >>
>> >>
>> >> Regards,
>> >> Bernhard
>> >>
>> >> On 14.01.2014 01:56, Yang Fan wrote:
>> >> > Hi,
>> >> >
>> >> > I have dumpped the error messages, seemly it's caused by the Qt 5.2
>> >> > binaries. I'm using the binaries downloaded from
>> >> > http://qt-project.org/downloads.
>> >> >
>> >> > *** Reparse for highlighting took 481 ms.
>> >> > "error" "/home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qglobal.h"
>> >> > [996:4(33790)] ""You must build your code with position independent
>> code
>> >> if
>> >> > Qt was built with -reduce-relocations. "         "Compile your code
>> with
>> >> > -fPIC or -fPIE."
>> >> >   in file included from /home/tvu/Shareware/istkani/src/main.cpp:1:
>> >> >   in file included from /home/tvu/Shareware/istkani/src/main.cpp:1:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtWidgets/QApplication:1:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtWidgets/qapplication.h:45:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qcoreapplication.h:45:"
>> >> > "error" "/opt/intel/composer_xe_2013.0.079/compiler/include/math.h"
>> >> > [27:3(742)] ""This Intel <math.h> is for use with only the Intel
>> >> compilers!"
>> >> >   in file included from /home/tvu/Shareware/istkani/src/main.cpp:1:
>> >> >   in file included from /home/tvu/Shareware/istkani/src/main.cpp:4:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtQml/QtQml:3:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtQml/QtQmlDepends:2:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/QtCore:65:
>> >> >   in file included from
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qmath.h:49:"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [46:5(1373)] "no
>> >> member
>> >> > named 'QDir' in 'QFont'"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [57:10(1716)]
>> "use of
>> >> > undeclared identifier 'dir'; did you mean 'div'?
>> >> >   'div' declared here"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [57:10(1716)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [57:14(1720)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [59:9(1792)] "use
>> of
>> >> > undeclared identifier 'dir'; did you mean 'div'?
>> >> >   'div' declared here"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [59:9(1792)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [59:13(1796)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [60:9(1812)] "use
>> of
>> >> > undeclared identifier 'dir'; did you mean 'div'?
>> >> >   'div' declared here"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [60:9(1812)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [60:13(1816)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [61:28(1872)]
>> "use of
>> >> > undeclared identifier 'dir'; did you mean 'div'?
>> >> >   'div' declared here"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [61:28(1872)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > "error" "/home/tvu/Shareware/istkani/src/main.cpp" [61:32(1876)]
>> "member
>> >> > reference base type 'div_t (int, int) throw()' is not a structure or
>> >> union"
>> >> > *** Highlighting took 491 ms in total.
>> >> > *** Fast re-indexing took 0 ms in total.
>> >> > /home/tvu/Qt5.2.0/5.2.0/gcc_64/include/QtCore/qglobal.h:996:4: error:
>> >> "You
>> >> > must build your code with position independent code if Qt was built
>> with
>> >> > -reduce-relocations. "         "Compile your code with -fPIC or
>> -fPIE."
>> >> > /opt/intel/composer_xe_2013.0.079/compiler/include/math.h:27:3:
>> error:
>> >> > "This Intel <math.h> is for use with only the Intel compilers!"
>> >> > /home/tvu/Shareware/istkani/src/main.cpp:48:5: error: no member named
>> >> > 'QDir' in 'QFont'
>> >> > /home/tvu/Shareware/istkani/src/main.cpp:57:10: error: use of
>> undeclared
>> >> > identifier 'dir'
>> >> > /home/tvu/Shareware/istkani/src/main.cpp:59:9: error: use of
>> undeclared
>> >> > identifier 'dir'
>> >> > /home/tvu/Shareware/istkani/src/main.cpp:60:9: error: use of
>> undeclared
>> >> > identifier 'dir'
>> >> > /home/tvu/Shareware/istkani/src/main.cpp:61:28: error: use of
>> undeclared
>> >> > identifier 'dir'
>> >> > ... Completion done in 3313 ms, with 146 items.
>> >> >
>> >> >
>> >> >
>> >> > On Mon, Jan 13, 2014 at 6:07 PM, Erik Verbruggen
>> >> > <erik.verbruggen at digia.com>wrote:
>> >> >
>> >> >> On 11-1-2014 3:07, Yang Fan wrote:
>> >> >> > Hi,
>> >> >> >
>> >> >> > I have built the ClangCodeModel plugin successfully with Qt5.2 on
>> Mac
>> >> OS
>> >> >> > X 10.9 and on Debian Wheezy, but after I enabled the plugin and
>> >> selected
>> >> >> > the Code Model in Preference dialog, the code completion feature
>> >> doesn't
>> >> >> > work. When I typed a dot follows an object name, no candidate list
>> >> >> > appears. Any suggestion?
>> >> >>
>> >> >> Can you run with the environment variable QTC_CLANG_VERBOSE set
>> (value
>> >> >> doesn't matter), and check stdout? That should show the libclang
>> >> >> invocations plus any errors while parsing.
>> >> >>
>> >> >> -- Erik.
>> >> >>
>> >> >> _______________________________________________
>> >> >> Qt-creator mailing list
>> >> >> Qt-creator at qt-project.org
>> >> >> http://lists.qt-project.org/mailman/listinfo/qt-creator
>> >> >>
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > Qt-creator mailing list
>> >> > Qt-creator at qt-project.org
>> >> > http://lists.qt-project.org/mailman/listinfo/qt-creator
>> >> >
>> >> _______________________________________________
>> >> Qt-creator mailing list
>> >> Qt-creator at qt-project.org
>> >> http://lists.qt-project.org/mailman/listinfo/qt-creator
>> >>
>> >
>> >
>> >
>> _______________________________________________
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>


-- 
Regards,
Fan Yang
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