KDE and SDL2: some problem with syntax analyser

[Kevin Funk]

On Wednesday, 21 November 2018 15:15:21 CET Luca Provenzani wrote:
> Hi Kevin,
> 
> my answers below
> 
> thank you
> 
> Luca
> 
> Il 21/11/18 11:56, Kevin Funk ha scritto:
> > On Wednesday, 21 November 2018 11:55:17 CET Kevin Funk wrote:
> >> On Wednesday, 21 November 2018 08:37:58 CET Luca Provenzani wrote:
> >>> Hi all,
> >>> 
> >>> first of all it is right to say that I'm newbie on kdevelop, C++ and
> >>> SDL. Than the question:
> >>> 
> >>> I begin to setting up a new project with SDL2 and all is ok, I can
> >>> compile, execute and so on. But there is an annoying thing: the language
> >>> support doesn't work well. It highlights a lot of error and doesn't
> >>> suggest properly, not recognising some SDL function or struct.
> >> 
> >> Hey Luca,
> >> 
> >> so as I take it the SDL2 headers are properly found and you can "jump
> >> into"
> >> (i.e. Ctrl+Click on "#include <SDL2/SDL.h>") them, right?
> 
> Yes, I confirm that
> 
> >>> The strange thing is that some function like
> >>> "SDL_CreateTextureFromSurface" is recognized other not, like
> >>> "SDL_LoadBMP" or struct like "SDL_Texture".
> >> 
> >> In your case it looks like none of the function mentioned could be found
> >> (they're not colored in blue, like e.g. "SDL_GetError()").
> >> 
> >> In case only some functions are not detected, then the problems is likely
> >> that their declaration is could not be parsed properly. Could you jump
> >> into
> >> SDL.h or SDL_surface.h and check whether SDL_LoadBMP/SDL_LoadBMP_RW could
> >> not be parsed properly?
> 
> Here the definition of the function/macro SDL_LoadBMP in SDL_surface.h:
> 
> /extern DECLSPEC SDL_Surface *SDLCALL SDL_LoadBMP_RW(SDL_RWops * src,/
> /                                                    int freesrc);/
> 
> //**/
> / *  Load a surface from a file./
> / */
> / *  Convenience macro./
> / *//
> /#define SDL_LoadBMP(file)   SDL_LoadBMP_RW(SDL_RWFromFile(file, "rb"), 1)/
> 
> 
> .. but, I don't see nothing really strange..
> 
> >> To me it looks like all the structs like SDL_Texture/SDL_Surface cannot
> >> be
> >> parsed and thus cause follow up errors everywhere.
> > 
> > Btw: If you could share the project (i.e. by zipping it up and sending it
> > here), that'd help a lot!
> 
> Yes, no problem, I attached the tar.gz file of the project

Thanks, works fine here, though (see attached screenshot). KDevelop 5.3 on 
Ubuntu 18.10.

Can you maybe open the Problems tool view while SDL.h or SDL_surface.h are 
open? What errors are listed there? (You can copy-paste them.)

What kind of KDevelop version is this? Where did you get it from?

Regards,
Kevin

> > Regards,
> > Kevin
> > 
> >> Regards,
> >> Kevin
> >> 
> >>> I attach a screenshot showing that.
> >>> 
> >>> In the included file SDL_Renderer.h I see:/
> >>> /
> >>> 
> >>> //**/
> >>> / *  \brief An efficient driver-specific representation of pixel data/
> >>> / *//
> >>> /struct SDL_Texture;/
> >>> /typedef struct SDL_Texture SDL_Texture;/
> >>> 
> >>> without an explicit definition of the struct..
> >>> 
> >>> Do some one know how to fix this behaviour?
> >>> 
> >>> Thanks
> >>> 
> >>> Best Regards
> >>> 
> >>> Luca


-- 
Kevin Funk | kfunk at kde.org | http://kfunk.org
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