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List:       kdevelop-bugs
Subject:    [Bug 220287] New: deriving from a template class causes kdevelop's
From:       Thorben Kröger <thorbenk () gmx ! net>
Date:       2009-12-27 16:02:12
Message-ID: bug-220287-40295 () http ! bugs ! kde ! org/
[Download RAW message or body]

https://bugs.kde.org/show_bug.cgi?id=220287

           Summary: deriving from a template class causes kdevelop's c++
                    analysis some trouble
           Product: kdevelop
           Version: SVN
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: cpp-parser
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: thorbenk@gmx.net


Created an attachment (id=39390)
 --> (http://bugs.kde.org/attachment.cgi?id=39390)
small testcase

Here is a small test program, annotated with the problems.
Please tell me if it's useful if I continue to provide these types of small
examples, or if you know about this already?

#include <iostream>

template<class T>
class A {
    public:
    A() {}
    protected:
    int A_test;
};

template<class T>
class B : public A<T> {
    public:
    B();
    void print() {
        //
        // this->A_test is underlined in _red_ here
        //
        std::cout << this->A_test << ", " << this->B_test << std::endl;
    }
    protected:
    int B_test;
};

template<class T>
B<T>::B()
    : A<T>() { //A<T> is underlined in _yellow_
    this->A_test = 1; //this->A_test is underlined in _yellow_
    this->B_test = 2;
}

template<class T>
class C : public A<int> {
    public:
    C() {
        //
        // this->A_test is analyzed correctly, note that we know the template
type to be "int" here
        //
        this->A_test = 3;
        this->C_test = 4;
    }
    void print() { std::cout << this->A_test << ", " << this->C_test <<
std::endl; }
    protected:
    int C_test;
};

int main() {
    B<int> b;
    b.print();

    C<int> c;
    c.print();
}

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