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Add Javascript support for std::unique_ptr and std::auto_ptr

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Equivalent to Ruby/Python implementations.
This commit is contained in:
William S Fulton 2022-08-03 20:19:38 +01:00
commit fe17296eb4
11 changed files with 358 additions and 6 deletions
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11
Lib/javascript/jsc/javascriptrun.swg
View file

@ -135,8 +135,15 @@ SWIGRUNTIME int SWIG_JSC_ConvertInstancePtr(JSContextRef context, JSObjectRef ob
}
}
if (flags & SWIG_POINTER_DISOWN) {
cdata->swigCMemOwn = false;
if (((flags & SWIG_POINTER_RELEASE) == SWIG_POINTER_RELEASE) && !cdata->swigCMemOwn) {
return SWIG_ERROR_RELEASE_NOT_OWNED;
} else {
if (flags & SWIG_POINTER_DISOWN) {
cdata->swigCMemOwn = false;
}
if (flags & SWIG_POINTER_CLEAR) {
cdata->swigCObject = 0;
}
}
return SWIG_OK;

33
Lib/javascript/jsc/std_auto_ptr.i Normal file
View file

@ -0,0 +1,33 @@
/* -----------------------------------------------------------------------------
* std_auto_ptr.i
*
* SWIG library file for handling std::auto_ptr.
* Memory ownership is passed from the std::auto_ptr C++ layer to the proxy
* class when returning a std::auto_ptr from a function.
* Memory ownership is passed from the proxy class to the std::auto_ptr in the
* C++ layer when passed as a parameter to a wrapped function.
* ----------------------------------------------------------------------------- */
%define %auto_ptr(TYPE)
%typemap(in, noblock=1) std::auto_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::auto_ptr< TYPE > %{
%set_output(SWIG_NewPointerObj($1.release(), $descriptor(TYPE *), SWIG_POINTER_OWN | %newpointer_flags));
%}
%template() std::auto_ptr< TYPE >;
%enddef
namespace std {
template <class T> class auto_ptr {};
}

33
Lib/javascript/jsc/std_unique_ptr.i Normal file
View file

@ -0,0 +1,33 @@
/* -----------------------------------------------------------------------------
* std_unique_ptr.i
*
* SWIG library file for handling std::unique_ptr.
* Memory ownership is passed from the std::unique_ptr C++ layer to the proxy
* class when returning a std::unique_ptr from a function.
* Memory ownership is passed from the proxy class to the std::unique_ptr in the
* C++ layer when passed as a parameter to a wrapped function.
* ----------------------------------------------------------------------------- */
%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
namespace std {
template <class T> class unique_ptr {};
}

11
Lib/javascript/v8/javascriptrun.swg
View file

@ -194,8 +194,15 @@ SWIGRUNTIME int SWIG_V8_ConvertInstancePtr(SWIGV8_OBJECT objRef, void **ptr, swi
*ptr = cdata->swigCObject;
}
if(flags & SWIG_POINTER_DISOWN) {
cdata->swigCMemOwn = false;
if (((flags & SWIG_POINTER_RELEASE) == SWIG_POINTER_RELEASE) && !cdata->swigCMemOwn) {
return SWIG_ERROR_RELEASE_NOT_OWNED;
} else {
if (flags & SWIG_POINTER_DISOWN) {
cdata->swigCMemOwn = false;
}
if (flags & SWIG_POINTER_CLEAR) {
cdata->swigCObject = 0;
}
}
return SWIG_OK;
}

33
Lib/javascript/v8/std_auto_ptr.i Normal file
View file

@ -0,0 +1,33 @@
/* -----------------------------------------------------------------------------
* std_auto_ptr.i
*
* SWIG library file for handling std::auto_ptr.
* Memory ownership is passed from the std::auto_ptr C++ layer to the proxy
* class when returning a std::auto_ptr from a function.
* Memory ownership is passed from the proxy class to the std::auto_ptr in the
* C++ layer when passed as a parameter to a wrapped function.
* ----------------------------------------------------------------------------- */
%define %auto_ptr(TYPE)
%typemap(in, noblock=1) std::auto_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::auto_ptr< TYPE > %{
%set_output(SWIG_NewPointerObj($1.release(), $descriptor(TYPE *), SWIG_POINTER_OWN | %newpointer_flags));
%}
%template() std::auto_ptr< TYPE >;
%enddef
namespace std {
template <class T> class auto_ptr {};
}

33
Lib/javascript/v8/std_unique_ptr.i Normal file
View file

@ -0,0 +1,33 @@
/* -----------------------------------------------------------------------------
* std_unique_ptr.i
*
* SWIG library file for handling std::unique_ptr.
* Memory ownership is passed from the std::unique_ptr C++ layer to the proxy
* class when returning a std::unique_ptr from a function.
* Memory ownership is passed from the proxy class to the std::unique_ptr in the
* C++ layer when passed as a parameter to a wrapped function.
* ----------------------------------------------------------------------------- */
%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
namespace std {
template <class T> class unique_ptr {};
}