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VS 2010: auto-complete bug

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T O P I C R E V I E W
foo64	Posted - May 23 2012 : 12:53:10 PM VAX 10.7.1903.0 built 2012.04.03 I've noticed a really annoying bug with auto-complete for nested structs. Take this class definition: class ProgressHandler : public State { public: struct TagInfo { String FileUrl; int TagType; int TagOffset; int TagLength; int TagDataOffset; }; }; And then use it in the following code: void LoadTagUpdate( const Middleware::ProgressHandler::TagInfo& info ) { debugPrint("Tag for %s: Offset %d, Size %d \\n", info.FileUrl.ToCStr(), info.TagOffset, info.TagLength ); } Typing "info." brings up an autocomplete window as usual, but selecting any of the entries (pressing Tab or Enter) inserts the symbol at the beginning of the file! For example, if you type "info.Fi" and then press enter expecting "info.FileUrl", it leaves "info.Fi" alone and inserts "FileUrl" at the beginning of the file. If you're using precompiled headers, the compiler ignores everything before "include "stdafx.h", so you can unknowingly end up with lots of random symbols piled up at the top of the file.. This only seems to occur for nested structs (defined inside classes). I'm not sure it always happens for nested structs, but I do know I've never seen it happen for non-nested structs.
4 L A T E S T R E P L I E S (Newest First)
feline	Posted - May 24 2012 : 1:38:44 PM I am glad the problem has been fixed for now. Please let us know if this ever starts happening again. Since installing a new build of VA fixed this, but it was not, as far as I know, a deliberate bug fix, I am wondering if rebuilding your VA symbol database might have been a factor. A corrupt or out of date symbol database should not produce a problem like this, but perhaps it is a factor. So if this problem happens again, can you try pressing the button: VA Options -> Performance -> Rebuild symbol databases and then restarting the IDE and reloading your solution, to see if this makes any difference.
foo64	Posted - May 23 2012 : 7:53:00 PM Thanks for the replies! quote: Originally posted by accord Unfortunately I wasn't able to reproduce the problem using VA1906 with VS11 or VS2010. Which version of Visual Studio are you using? Can you please try creating a clean new win32 test project to see if you're able to reproduce the problem after you wrapped the class in a namespace? (like on the screenshot below) I'm using VS 2010 version: 10.0.40219.SP1Rel I wasn't able to repro in a standalone project. For what it's worth, this is the second major codebase (million+ lines of code) that I've seen this issue occur in. It was happening around 2010-2011 at my previous job, using VS 2008. quote: A random thought, can you see if you have the IDE setting: IDE tools menu -> Options -> Environment -> Documents -> Check for consistent line endings on load turned On or Off. If this is turned Off can you please turn it On, and see if you get warned about mixed line endings when opening any of the problem files? Mixed line endings can occasionally cause some odd effects, so I am wondering if it could be a factor here. That setting was already enabled, and I never got a warning for that file (or any other file). --- The problem seems to have gone away after installing VA 1906, but unless this was a previously known issue, then it probably didn't get fixed, so I'm expecting it to reoccur at some point. Anyhow, it's not a serious issue, and at least you guys are aware of it now :)
feline	Posted - May 23 2012 : 6:32:48 PM A random thought, can you see if you have the IDE setting: IDE tools menu -> Options -> Environment -> Documents -> Check for consistent line endings on load turned On or Off. If this is turned Off can you please turn it On, and see if you get warned about mixed line endings when opening any of the problem files? Mixed line endings can occasionally cause some odd effects, so I am wondering if it could be a factor here.
accord	Posted - May 23 2012 : 5:36:35 PM Unfortunately I wasn't able to reproduce the problem using VA1906 with VS11 or VS2010. Which version of Visual Studio are you using? Can you please try creating a clean new win32 test project to see if you're able to reproduce the problem after you wrapped the class in a namespace? (like on the screenshot below)

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