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Complete the Python support for shared_ptr mainly for derived classes. This includes the smartptr feature for overriding the class registration function and shared_ptr typemaps

Browse source 
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@10236 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2008-02-09 12:25:41 +00:00
commit f39242fa92
6 changed files with 124 additions and 12 deletions
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21
Lib/python/pyrun.swg
View file

@ -448,7 +448,7 @@ PySwigObject_dealloc(PyObject *v)
{
PySwigObject *sobj = (PySwigObject *) v;
PyObject *next = sobj->next;
if (sobj->own) {
if (sobj->own == SWIG_POINTER_OWN) {
swig_type_info *ty = sobj->ty;
PySwigClientData *data = ty ? (PySwigClientData *) ty->clientdata : 0;
PyObject *destroy = data ? data->destroy : 0;
@ -977,7 +977,7 @@ SWIG_Python_GetSwigThis(PyObject *pyobj)
SWIGRUNTIME int
SWIG_Python_AcquirePtr(PyObject *obj, int own) {
if (own) {
if (own == SWIG_POINTER_OWN) {
PySwigObject *sobj = SWIG_Python_GetSwigThis(obj);
if (sobj) {
int oldown = sobj->own;
@ -997,6 +997,8 @@ SWIG_Python_ConvertPtrAndOwn(PyObject *obj, void **ptr, swig_type_info *ty, int
if (ptr) *ptr = 0;
return SWIG_OK;
} else {
if (own)
*own = 0;
PySwigObject *sobj = SWIG_Python_GetSwigThis(obj);
while (sobj) {
void *vptr = sobj->ptr;
@ -1011,7 +1013,15 @@ SWIG_Python_ConvertPtrAndOwn(PyObject *obj, void **ptr, swig_type_info *ty, int
if (!tc) {
sobj = (PySwigObject *)sobj->next;
} else {
if (ptr) *ptr = SWIG_TypeCast(tc,vptr);
if (ptr) {
int newmemory = 0;
*ptr = SWIG_TypeCast(tc,vptr,&newmemory);
if (newmemory == SWIG_CAST_NEW_MEMORY) {
assert(own);
if (own)
*own = *own | SWIG_CAST_NEW_MEMORY;
}
}
break;
}
}
@ -1021,7 +1031,8 @@ SWIG_Python_ConvertPtrAndOwn(PyObject *obj, void **ptr, swig_type_info *ty, int
}
}
if (sobj) {
if (own) *own = sobj->own;
if (own)
*own = *own | sobj->own;
if (flags & SWIG_POINTER_DISOWN) {
sobj->own = 0;
}
@ -1087,7 +1098,7 @@ SWIG_Python_ConvertFunctionPtr(PyObject *obj, void **ptr, swig_type_info *ty) {
if (ty) {
swig_cast_info *tc = SWIG_TypeCheck(desc,ty);
if (!tc) return SWIG_ERROR;
*ptr = SWIG_TypeCast(tc,vptr);
*ptr = SWIG_TypeCast(tc,vptr,0);
} else {
*ptr = vptr;
}

6
Lib/shared_ptr.i
View file

@ -44,8 +44,12 @@ SWIG_SHARED_PTR_TYPEMAPS(PROXYCLASS, const, TYPE)
%define SWIG_SHARED_PTR_DERIVED(PROXYCLASS, BASECLASSTYPE, TYPE...)
SWIG_SHARED_PTR_TYPEMAPS(PROXYCLASS, , TYPE)
SWIG_SHARED_PTR_TYPEMAPS(PROXYCLASS, const, TYPE)
%types(SWIG_SHARED_PTR_NAMESPACE::shared_ptr< TYPE > = SWIG_SHARED_PTR_NAMESPACE::shared_ptr< BASECLASSTYPE >) %{
*newmemory = SWIG_CAST_NEW_MEMORY;
return (void *) new SWIG_SHARED_PTR_NAMESPACE::shared_ptr< BASECLASSTYPE >(*(SWIG_SHARED_PTR_NAMESPACE::shared_ptr< TYPE > *)$from);
%}
%extend TYPE {
static SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< BASECLASSTYPE > SWIGSharedPtrUpcast(SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< TYPE > swigSharedPtrUpcast) {
static SWIG_SHARED_PTR_NAMESPACE::shared_ptr< BASECLASSTYPE > SWIGSharedPtrUpcast(SWIG_SHARED_PTR_NAMESPACE::shared_ptr< TYPE > swigSharedPtrUpcast) {
return swigSharedPtrUpcast;
}
}

7
Lib/swigrun.swg
View file

@ -42,6 +42,7 @@
/* Flags for pointer conversions */
#define SWIG_POINTER_DISOWN 0x1
#define SWIG_CAST_NEW_MEMORY 0x2
/* Flags for new pointer objects */
#define SWIG_POINTER_OWN 0x1
@ -182,7 +183,7 @@ SWIGINTERNINLINE int SWIG_CheckState(int r) {
extern "C" {
#endif
typedef void *(*swig_converter_func)(void *);
typedef void *(*swig_converter_func)(void *, int *);
typedef struct swig_type_info *(*swig_dycast_func)(void **);
/* Structure to store information on one type */
@ -312,8 +313,8 @@ SWIG_TypeCheckStruct(swig_type_info *from, swig_type_info *into) {
Cast a pointer up an inheritance hierarchy
*/
SWIGRUNTIMEINLINE void *
SWIG_TypeCast(swig_cast_info *ty, void *ptr) {
return ((!ty) || (!ty->converter)) ? ptr : (*ty->converter)(ptr);
SWIG_TypeCast(swig_cast_info *ty, void *ptr, int *newmemory) {
return ((!ty) || (!ty->converter)) ? ptr : (*ty->converter)(ptr, newmemory);
}
/*