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swig
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2.0.10
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allegrocl
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inout_typemaps.i
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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));