"Walter F.J. Mueller" <W.F.J.Mueller@gsi.de> writes:
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> Dear ROOTers,
>
> the attached little script "demo.C" works fine when executed
> with ACLiC. However, when just interpreted with CINT I get
> the error message
>
> Processing demo.C...
> Error: p already declared as different type FILE:demo.C LINE:17
> *** Interpreter error recovered ***
>
> So CINT seems to have a problem handling the scope of the
> variables correctly. It seems that somehow the type of the first
> declaration of 'p' is memorized and the interpreter chokes when a
> variable with this name is declared a second time.
>
> Is this a restriction in CINT ?
>
>
> Cheers, Walter
>
> --
> Walter F.J. Mueller Mail: W.F.J.Mueller@gsi.de
> GSI, Abteilung KP3 Phone: +49-6159-71-2766
> D-64291 Darmstadt FAX: +49-6159-71-2989
> WWW: http://www-kp3.gsi.de/www/kp3/people/mueller.html
>
> --------------050500070401090200010001
> Content-Type: text/x-csrc;
> name="demo.C"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline;
> filename="demo.C"
>
> #ifndef __CINT__
> #include "TCanvas.h"
> #include "TLine.h"
> #include "TBox.h"
> #endif
>
> void demo()
> {
> TCanvas* c1 = new TCanvas("c1", "" , 20,20,700,900);
>
> if (1) {
> TLine* p = new TLine(0.,0.,1.,1.);
> p->Draw();
> }
>
> if (1) {
> TBox* p = new TBox(0.4,0.4,0.6,0.6);
> p->Draw();
> }
>
> c1->Update();
> }
>
> --------------050500070401090200010001--
Hi Walter,
it is a limitation of cint - it is documented in
http://root.cern.ch/root/Cint.phtml?limitations - function scope
cheers
Jiri
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