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List:       kde-bugs-dist
Subject:    [Bug 242660] QHashIterator mixes up code completion for key and value
From:       Nicolás Alvarez  <nicolas.alvarez () gmail ! com>
Date:       2010-11-15 2:12:46
Message-ID: 20101115021246.0E94774622 () immanuel ! kde ! org
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https://bugs.kde.org/show_bug.cgi?id=242660


Nicolás Alvarez <nicolas.alvarez@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|code completion             |Language Support: CPP




--- Comment #2 from Nicolás Alvarez <nicolas alvarez gmail com>  2010-11-15 03:12:45 ---
This bug is strangely related to macros.

#include <QString>

#define DECLARE_MY_ITERATOR \
template <class Key, class T> \
class MyIteratorMacro { \
    Key key(); \
    T value(); \
};

DECLARE_MY_ITERATOR

template <class Key, class T>
class MyIteratorDirect {
    Key key();
    T value();
};

int bug242660() {
    MyIteratorMacro<QString, int> itm;
    MyIteratorDirect<QString, int> itd;
    itm.key();
    itd.key();
}

Moving mouse over the key() calls, the KDevelop tooltip says itm.key() returns
int (wrong), while itd.key() returns QString (correct). And vice-versa for
value().

The only difference between MyIteratorMacro and MyIteratorDirect is that the
former is declared via a macro. The macro expansion (moving mouse over
DECLARE_MY_ITERATOR) looks fine.

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