diff options
Diffstat (limited to 'Lib/ruby/std_unique_ptr.i')
-rw-r--r-- | Lib/ruby/std_unique_ptr.i | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Lib/ruby/std_unique_ptr.i b/Lib/ruby/std_unique_ptr.i new file mode 100644 index 000000000..f988714df --- /dev/null +++ b/Lib/ruby/std_unique_ptr.i @@ -0,0 +1,39 @@ +/* ----------------------------------------------------------------------------- + * 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(), $descriptor(TYPE *), SWIG_POINTER_OWN | %newpointer_flags)); +%} + +%typemap(typecheck, precedence=SWIG_TYPECHECK_POINTER, equivalent="TYPE *", noblock=1) std::unique_ptr< TYPE > { + void *vptr = 0; + int res = SWIG_ConvertPtr($input, &vptr, $descriptor(TYPE *), 0); + $1 = SWIG_CheckState(res); +} + +%template() std::unique_ptr< TYPE >; +%enddef + +namespace std { + template <class T> class unique_ptr {}; +} |