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List:       kdevelop-bugs
Subject:    [Bug 302061] New: KDevelop shows errors on variadic template argument expansion in "using" declarati
From:       Alexander <ashaduri () gmail ! com>
Date:       2012-06-17 14:50:53
Message-ID: bug-302061-40295 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=302061

            Bug ID: 302061
          Severity: normal
           Version: git master
          Priority: NOR
          Assignee: kdevelop-bugs@kdevelop.org
           Summary: KDevelop shows errors on variadic template argument
                    expansion in "using" declarations
    Classification: Unclassified
                OS: Linux
          Reporter: ashaduri@gmail.com
          Hardware: openSUSE RPMs
            Status: UNCONFIRMED
         Component: Language Support: CPP
           Product: kdevelop

I'm using KDevelop/KDevplatform git master from 2012-06-17.

Consider the following code:

template<typename Signature>
struct Signal;

template<typename... ArgTypes>
struct Signal<void(ArgTypes...)> {
    using SignatureType = void(ArgTypes...);  // ERROR HERE
    // the line above is equal to the following, which is properly recognized.
    // typedef void SignatureType(ArgTypes...);
};


This code specifies SignatureType as a function type void(ArgTypes...).
KDevelop shows several errors, including
Expected token ';' after 'void' found '('
(which needs a comma before "found" to make sense, I guess).

The error also occurs with:
using SignatureType = void (*) (ArgTypes...);  // function pointer type

Thanks,
Alexander

Reproducible: Always

Steps to Reproduce:
Try the code above
Actual Results:  
KDevelop shows a red line

Expected Results:  
KDevelop should not show a red line

openSUSE 12.1 x86_64, KDE 4.7.2.

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