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Implement type checking for XS objects

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Type handling is mainly done using templates.
Template Slic3r::ClassTraits is used to store info about exported types (perl class name). Currently only perl class name and refference name is used.
Template values are initialized by REGISTER_CLASS macro. This macro is used in .cpp file of class ( it needs to be used exactly for each type).

Ref<type> class is used to return value as perl reference. Operator overloading is used to make c++ and XSpp happy, only pointer value should be possible to return.

Clone<type> class is used to return copy of value ( using new and copy constructor). Copy is created on assigment, this should be probably improved (memory leak on multiple assignments).
It is overloaded to be able to return type, type* and type&.

Typechecking in ExtrusionEntityCollection updated to check all passed types.
This commit is contained in:
Petr Ledvina 2014-04-27 19:18:53 +02:00
parent e68b6b6f4c
commit 115aa6885f
35 changed files with 426 additions and 173 deletions
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14
xs/src/Surface.cpp
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@ -1,4 +1,7 @@
#include "Surface.hpp"
#ifdef SLIC3RXS
#include "perlglue.hpp"
#endif
namespace Slic3r {
@ -40,11 +43,14 @@ Surface::is_bridge() const
}
#ifdef SLIC3RXS
REGISTER_CLASS(Surface, "Surface");
void
Surface::from_SV_check(SV* surface_sv)
{
if (!sv_isa(surface_sv, "Slic3r::Surface") && !sv_isa(surface_sv, "Slic3r::Surface::Ref"))
CONFESS("Not a valid Slic3r::Surface object");
if (!sv_isa(surface_sv, perl_class_name(this)) && !sv_isa(surface_sv, perl_class_name_ref(this)))
CONFESS("Not a valid %s object", perl_class_name(this));
// a XS Surface was supplied
*this = *(Surface *)SvIV((SV*)SvRV( surface_sv ));
}
@ -52,14 +58,14 @@ Surface::from_SV_check(SV* surface_sv)
SV*
Surface::to_SV_ref() {
SV* sv = newSV(0);
sv_setref_pv( sv, "Slic3r::Surface::Ref", (void*)this );
sv_setref_pv( sv, perl_class_name_ref(this), (void*)this );
return sv;
}
SV*
Surface::to_SV_clone_ref() const {
SV* sv = newSV(0);
sv_setref_pv( sv, "Slic3r::Surface", new Surface(*this) );
sv_setref_pv( sv, perl_class_name(this), new Surface(*this) );
return sv;
}
#endif