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/* inout_typemaps.i
Support for INPUT, OUTPUT, and INOUT typemaps. OUTPUT variables are returned
as multiple values.
*/
/* Note that this macro automatically adds a pointer to the type passed in.
As a result, INOUT typemaps for char are for 'char *'. The definition
of typemaps for 'char' takes advantage of this, believing that it's more
likely to see an INOUT argument for strings, than a single char. */
%define INOUT_TYPEMAP(type_, OUTresult_, INbind_)
// OUTPUT map.
%typemap(lin,numinputs=0) type_ *OUTPUT, type_ &OUTPUT
%{(cl::let (($out (ff:allocate-fobject '$*in_fftype :c)))
$body
OUTresult_
(ff:free-fobject $out)) %}
// INPUT map.
%typemap(in) type_ *INPUT, type_ &INPUT
%{ $1 = &$input; %}
%typemap(ctype) type_ *INPUT, type_ &INPUT "$*1_ltype";
// INOUT map.
// careful here. the input string is converted to a C string
// with length equal to the input string. This should be large
// enough to contain whatever OUTPUT value will be stored in it.
%typemap(lin,numinputs=1) type_ *INOUT, type_ &INOUT
%{(cl::let (($out (ff:allocate-fobject '$*in_fftype :c)))
INbind_
$body
OUTresult_
(ff:free-fobject $out)) %}
%enddef
// $in, $out, $lclass,
// $in_fftype, $*in_fftype
INOUT_TYPEMAP(int,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(short,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(long,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(unsigned int,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(unsigned short,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(unsigned long,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
// char * mapping for passing strings. didn't quite work
// INOUT_TYPEMAP(char,
// (cl::push (excl:native-to-string $out) ACL_result),
// (cl::setf (ff:fslot-value-typed (cl::quote $in_fftype) :c $out)
// (excl:string-to-native $in)))
INOUT_TYPEMAP(float,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(double,
(cl::push (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
INOUT_TYPEMAP(bool,
(cl::push (not (zerop (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out)))
ACL_result),
(cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) (if $in 1 0)));
%typemap(lisptype) bool *INPUT, bool &INPUT "boolean";
// long long support not yet complete
// INOUT_TYPEMAP(long long);
// INOUT_TYPEMAP(unsigned long long);
// char *OUTPUT map.
// for this to work, swig needs to know how large an array to allocate.
// you can fake this by
// %typemap(ffitype) char *myarg "(:array :char 30)";
// %apply char *OUTPUT { char *myarg };
%typemap(lin,numinputs=0) char *OUTPUT, char &OUTPUT
%{(cl::let (($out (ff:allocate-fobject '$*in_fftype :c)))
$body
(cl::push (excl:native-to-string $out) ACL_result)
(ff:free-fobject $out)) %}
// char *INPUT map.
%typemap(in) char *INPUT, char &INPUT
%{ $1 = &$input; %}
%typemap(ctype) char *INPUT, char &INPUT "$*1_ltype";
// char *INOUT map.
%typemap(lin,numinputs=1) char *INOUT, char &INOUT
%{(cl::let (($out (excl:string-to-native $in)))
$body
(cl::push (excl:native-to-string $out) ACL_result)
(ff:free-fobject $out)) %}
// uncomment this if you want INOUT mappings for chars instead of strings.
// INOUT_TYPEMAP(char,
// (cl::push (code-char (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out))
// ACL_result),
// (cl::setf (ff:fslot-value-typed (cl::quote $*in_fftype) :c $out) $in));
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