swig/Lib/d/boost_shared_ptr.i
William S Fulton 71cd6a38fe Performance optimisation for directors for classes passed by value
The directorin typemaps in the director methods now use std::move on the
input parameter when copying the object from the stack to the heap prior
to the callback into the target language, thereby taking advantage of
move semantics if available.
2022-07-04 11:19:29 +01:00

293 lines
12 KiB
OpenEdge ABL

%include <shared_ptr.i>
// Language specific macro implementing all the customisations for handling the smart pointer
%define SWIG_SHARED_PTR_TYPEMAPS(CONST, TYPE...)
// %naturalvar is as documented for member variables
%naturalvar TYPE;
%naturalvar SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >;
// destructor mods
%feature("unref") TYPE
//"if (debug_shared) { cout << \"deleting use_count: \" << (*smartarg1).use_count() << \" [\" << (boost::get_deleter<SWIG_null_deleter>(*smartarg1) ? std::string(\"CANNOT BE DETERMINED SAFELY\") : ((*smartarg1).get() ? (*smartarg1)->getValue() : std::string(\"NULL PTR\"))) << \"]\" << endl << flush; }\n"
"(void)arg1; delete smartarg1;"
// Typemap customisations...
// plain value
%typemap(in, canthrow=1) CONST TYPE ($&1_type argp = 0) %{
argp = ((SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input) ? ((SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input)->get() : 0;
if (!argp) {
SWIG_DSetPendingException(SWIG_DIllegalArgumentException, "Attempt to dereference null $1_type");
return $null;
}
$1 = *argp; %}
%typemap(out) CONST TYPE
%{ $result = new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >(new $1_ltype(($1_ltype &)$1)); %}
%typemap(directorin) CONST TYPE
%{ $input = new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > (new $1_ltype(SWIG_STD_MOVE($1))); %}
%typemap(directorout) CONST TYPE
%{ if (!$input) {
SWIG_DSetPendingException(SWIG_DIllegalArgumentException, "Attempt to dereference null $1_type");
return $null;
}
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *smartarg = (SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input;
$result = *smartarg->get();
%}
// plain pointer
%typemap(in, canthrow=1) CONST TYPE * (SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *smartarg = 0) %{
smartarg = (SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input;
$1 = (TYPE *)(smartarg ? smartarg->get() : 0); %}
%typemap(out, fragment="SWIG_null_deleter") CONST TYPE * %{
$result = $1 ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >($1 SWIG_NO_NULL_DELETER_$owner) : 0;
%}
%typemap(directorin) CONST TYPE *
%{ $input = $1 ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >($1 SWIG_NO_NULL_DELETER_0) : 0; %}
%typemap(directorout) CONST TYPE * %{
#error "typemaps for $1_type not available"
%}
// plain reference
%typemap(in, canthrow=1) CONST TYPE & %{
$1 = ($1_ltype)(((SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input) ? ((SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input)->get() : 0);
if (!$1) {
SWIG_DSetPendingException(SWIG_DIllegalArgumentException, "$1_type reference is null");
return $null;
} %}
%typemap(out, fragment="SWIG_null_deleter") CONST TYPE &
%{ $result = new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >($1 SWIG_NO_NULL_DELETER_$owner); %}
%typemap(directorin) CONST TYPE &
%{ $input = new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > (&$1 SWIG_NO_NULL_DELETER_0); %}
%typemap(directorout) CONST TYPE & %{
#error "typemaps for $1_type not available"
%}
// plain pointer by reference
%typemap(in) TYPE *CONST& ($*1_ltype temp = 0)
%{ temp = (TYPE *)(((SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input) ? ((SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input)->get() : 0);
$1 = &temp; %}
%typemap(out, fragment="SWIG_null_deleter") TYPE *CONST&
%{ $result = new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >(*$1 SWIG_NO_NULL_DELETER_$owner); %}
%typemap(directorin) TYPE *CONST&
%{ $input = $1 ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >($1 SWIG_NO_NULL_DELETER_0) : 0; %}
%typemap(directorout) TYPE *CONST& %{
#error "typemaps for $1_type not available"
%}
// shared_ptr by value
%typemap(in) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >
%{ if ($input) $1 = *($&1_ltype)$input; %}
%typemap(out) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >
%{ $result = $1 ? new $1_ltype($1) : 0; %}
%typemap(directorin) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >
%{ $input = $1 ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >($1) : 0; %}
%typemap(directorout) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >
%{ if ($input) {
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *smartarg = (SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *)$input;
$result = *smartarg;
}
%}
// shared_ptr by reference
%typemap(in, canthrow=1) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > & ($*1_ltype tempnull)
%{ $1 = $input ? ($1_ltype)$input : &tempnull; %}
%typemap(out) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &
%{ $result = *$1 ? new $*1_ltype(*$1) : 0; %}
%typemap(directorin) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &
%{ $input = $1 ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >($1) : 0; %}
%typemap(directorout) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > & %{
#error "typemaps for $1_type not available"
%}
// shared_ptr by pointer
%typemap(in) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > * ($*1_ltype tempnull)
%{ $1 = $input ? ($1_ltype)$input : &tempnull; %}
%typemap(out, fragment="SWIG_null_deleter") SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *
%{ $result = ($1 && *$1) ? new $*1_ltype(*($1_ltype)$1) : 0;
if ($owner) delete $1; %}
%typemap(directorin) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *
%{ $input = ($1 && *$1) ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >(*$1) : 0; %}
%typemap(directorout) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > * %{
#error "typemaps for $1_type not available"
%}
// shared_ptr by pointer reference
%typemap(in) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& (SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > tempnull, $*1_ltype temp = 0)
%{ temp = $input ? *($1_ltype)&$input : &tempnull;
$1 = &temp; %}
%typemap(out) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *&
%{ *($1_ltype)&$result = (*$1 && **$1) ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >(**$1) : 0; %}
%typemap(directorin) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *&
%{ $input = ($1 && *$1) ? new SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >(*$1) : 0; %}
%typemap(directorout) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& %{
#error "typemaps for $1_type not available"
%}
// various missing typemaps - If ever used (unlikely) ensure compilation error rather than runtime bug
%typemap(in) CONST TYPE[], CONST TYPE[ANY], CONST TYPE (CLASS::*) %{
#error "typemaps for $1_type not available"
%}
%typemap(out) CONST TYPE[], CONST TYPE[ANY], CONST TYPE (CLASS::*) %{
#error "typemaps for $1_type not available"
%}
%typemap (ctype) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& "void *"
%typemap (imtype) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& "void*"
%typemap (dtype) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& "$typemap(dtype, TYPE)"
%typemap(din) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& "$typemap(dtype, TYPE).swigGetCPtr($dinput)"
%typemap(ddirectorout) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > "$typemap(dtype, TYPE).swigGetCPtr($dcall)"
%typemap(ddirectorin) CONST TYPE,
CONST TYPE *,
CONST TYPE &,
TYPE *CONST& "($winput is null) ? null : new $typemap(dtype, TYPE)($winput, true)"
%typemap(ddirectorin) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& "($winput is null) ? null : new $typemap(dtype, TYPE)($winput, true)"
%typemap(dout, excode=SWIGEXCODE) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > {
void* cPtr = $imcall;
auto ret = (cPtr is null) ? null : new $typemap(dtype, TYPE)(cPtr, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > & {
void* cPtr = $imcall;
auto ret = (cPtr is null) ? null : new $typemap(dtype, TYPE)(cPtr, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > * {
void* cPtr = $imcall;
auto ret = (cPtr is null) ? null : new $typemap(dtype, TYPE)(cPtr, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *& {
void* cPtr = $imcall;
auto ret = (cPtr is null) ? null : new $typemap(dtype, TYPE)(cPtr, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) CONST TYPE {
auto ret = new $typemap(dtype, TYPE)($imcall, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) CONST TYPE & {
auto ret = new $typemap(dtype, TYPE)($imcall, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) CONST TYPE * {
void* cPtr = $imcall;
auto ret = (cPtr is null) ? null : new $typemap(dtype, TYPE)(cPtr, true);$excode
return ret;
}
%typemap(dout, excode=SWIGEXCODE) TYPE *CONST& {
void* cPtr = $imcall;
auto ret = (cPtr is null) ? null : new $typemap(dtype, TYPE)(cPtr, true);$excode
return ret;
}
// Proxy classes (base classes, ie, not derived classes)
%typemap(dbody) SWIGTYPE %{
private void* swigCPtr;
private bool swigCMemOwn;
public this(void* cObject, bool ownCObject) {
swigCPtr = cObject;
swigCMemOwn = ownCObject;
}
public static void* swigGetCPtr(typeof(this) obj) {
return (obj is null) ? null : obj.swigCPtr;
}
%}
// Derived proxy classes
%typemap(dbody_derived) SWIGTYPE %{
private void* swigCPtr;
private bool swigCMemOwn;
public this(void* cObject, bool ownCObject) {
super($imdmodule.$dclazznameSmartPtrUpcast(cObject), ownCObject);
swigCPtr = cObject;
swigCMemOwn = ownCObject;
}
public static void* swigGetCPtr(typeof(this) obj) {
return (obj is null) ? null : obj.swigCPtr;
}
%}
%typemap(ddispose, methodname="dispose", methodmodifiers="public") TYPE {
synchronized(this) {
if (swigCPtr !is null) {
if (swigCMemOwn) {
swigCMemOwn = false;
$imcall;
}
swigCPtr = null;
}
}
}
%typemap(ddispose_derived, methodname="dispose", methodmodifiers="public") TYPE {
synchronized(this) {
if (swigCPtr !is null) {
if (swigCMemOwn) {
swigCMemOwn = false;
$imcall;
}
swigCPtr = null;
super.dispose();
}
}
}
// Typecheck typemaps
%typemap(typecheck, precedence=SWIG_TYPECHECK_POINTER, equivalent="TYPE *")
TYPE CONST,
TYPE CONST &,
TYPE CONST *,
TYPE *CONST&,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > &,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *,
SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE > *&
""
%template() SWIG_SHARED_PTR_QNAMESPACE::shared_ptr< CONST TYPE >;
%enddef