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Add Python support for std::unique_ptr inputs

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Equivalent to Java/C# implementation.
This commit is contained in:
William S Fulton 2022-07-16 13:14:40 +01:00
commit c3c061cac8
8 changed files with 103 additions and 9 deletions
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17
Lib/python/pyrun.swg
View file

@ -1357,12 +1357,19 @@ SWIG_Python_ConvertPtrAndOwn(PyObject *obj, void **ptr, swig_type_info *ty, int
}
}
if (sobj) {
if (own)
*own = *own | sobj->own;
if (flags & SWIG_POINTER_DISOWN) {
sobj->own = 0;
if (((flags & SWIG_POINTER_RELEASE) == SWIG_POINTER_RELEASE) && !sobj->own) {
res = SWIG_ERROR_RELEASE_NOT_OWNED;
} else {
if (own)
*own = *own | sobj->own;
if (flags & SWIG_POINTER_DISOWN) {
sobj->own = 0;
}
if (flags & SWIG_POINTER_CLEAR) {
sobj->ptr = 0;
}
res = SWIG_OK;
}
res = SWIG_OK;
} else {
if (implicit_conv) {
SwigPyClientData *data = ty ? (SwigPyClientData *) ty->clientdata : 0;

13
Lib/python/std_unique_ptr.i
View file

@ -8,9 +8,22 @@
* ----------------------------------------------------------------------------- */
%define %unique_ptr(TYPE)
%typemap(in, noblock=1) std::unique_ptr< TYPE > (void *argp = 0, int res = 0) {
res = SWIG_ConvertPtr($input, &argp, $descriptor(TYPE *), SWIG_POINTER_RELEASE | %convertptr_flags);
if (!SWIG_IsOK(res)) {
if (res == SWIG_ERROR_RELEASE_NOT_OWNED) {
%releasenotowned_fail(res, "TYPE *", $symname, $argnum);
} else {
%argument_fail(res, "TYPE *", $symname, $argnum);
}
}
$1.reset((TYPE *)argp);
}
%typemap (out) std::unique_ptr< TYPE > %{
%set_output(SWIG_NewPointerObj($1.release(), $descriptor(TYPE *), SWIG_POINTER_OWN | %newpointer_flags));
%}
%template() std::unique_ptr< TYPE >;
%enddef