mirror of https://github.com/swig/swig
69 lines
2.9 KiB
OpenEdge ABL
69 lines
2.9 KiB
OpenEdge ABL
/* -----------------------------------------------------------------------------
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* std_unique_ptr.i
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*
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* SWIG library file for handling std::unique_ptr.
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*
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* Returning a std::unique_ptr from a wrapped function:
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* Memory ownership is passed (moved) from the std::unique_ptr in the C++ layer
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* to the proxy class when returning a std::unique_ptr by value from a function.
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* Memory ownership is not moved when returning by any sort of reference.
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*
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* Passing a std::unique_ptr as a parameter to a wrapped function:
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* Memory ownership is passed from the proxy class to the std::unique_ptr in the
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* C++ layer when passed as a parameter by value, rvalue reference or non-const
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* lvalue reference. Memory ownership is not transferred when passing by const
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* lvalue reference.
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* ----------------------------------------------------------------------------- */
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%include <unique_ptr.swg>
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%define %unique_ptr(TYPE)
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%typemap(in, noblock=1) std::unique_ptr< TYPE > (void *argp = 0, int res = 0) {
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res = SWIG_ConvertPtr($input, &argp, $descriptor(TYPE *), SWIG_POINTER_RELEASE);
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if (!SWIG_IsOK(res)) {
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if (res == SWIG_ERROR_RELEASE_NOT_OWNED) {
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scm_misc_error(FUNC_NAME, "Cannot release ownership as memory is not owned for argument $argnum of type 'TYPE *'", SCM_EOL);
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} else {
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%argument_fail(res, "TYPE *", $symname, $argnum);
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}
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}
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$1.reset((TYPE *)argp);
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}
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%typemap(in, noblock=1) std::unique_ptr< TYPE > & (void *argp = 0, int res = 0, std::unique_ptr< TYPE > uptr), std::unique_ptr< TYPE > && (void *argp = 0, int res = 0, std::unique_ptr< TYPE > uptr) {
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res = SWIG_ConvertPtr($input, &argp, $descriptor(TYPE *), SWIG_POINTER_RELEASE);
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if (!SWIG_IsOK(res)) {
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if (res == SWIG_ERROR_RELEASE_NOT_OWNED) {
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scm_misc_error(FUNC_NAME, "Cannot release ownership as memory is not owned for argument $argnum of type 'TYPE *'", SCM_EOL);
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} else {
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%argument_fail(res, "TYPE *", $symname, $argnum);
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}
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}
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uptr.reset((TYPE *)argp);
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$1 = &uptr;
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}
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%typemap(in, noblock=1, fragment="SwigNoDeleteUniquePtr") const std::unique_ptr< TYPE > & (void *argp = 0, int res = 0, swig::NoDeleteUniquePtr< TYPE > ndup) {
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res = SWIG_ConvertPtr($input, &argp, $descriptor(TYPE *), 0);
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if (!SWIG_IsOK(res)) {
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%argument_fail(res, "TYPE *", $symname, $argnum);
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}
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ndup.uptr.reset((TYPE *)argp);
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$1 = &ndup.uptr;
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}
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%typemap (out) std::unique_ptr< TYPE > %{
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%set_output(SWIG_NewPointerObj($1.release(), $descriptor(TYPE *), SWIG_POINTER_OWN));
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%}
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%typemap (out) std::unique_ptr< TYPE > &, std::unique_ptr< TYPE > && %{
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%set_output(SWIG_NewPointerObj($1->get(), $descriptor(TYPE *), $owner));
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%}
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%typemap(typecheck, precedence=SWIG_TYPECHECK_POINTER, equivalent="TYPE *", noblock=1) std::unique_ptr< TYPE >, std::unique_ptr< TYPE > &, std::unique_ptr< TYPE > && {
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void *vptr = 0;
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int res = SWIG_ConvertPtr($input, &vptr, $descriptor(TYPE *), 0);
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$1 = SWIG_CheckState(res);
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}
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%template() std::unique_ptr< TYPE >;
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%enddef
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