| /* File : example.i */ |
| %module example |
| |
| %{ |
| extern int gcd(int x, int y); |
| extern int gcdmain(int argc, char *argv[]); |
| extern int count(char *bytes, int len, char c); |
| extern void capitalize (char *str, int len); |
| extern void circle (double cx, double cy); |
| extern int squareCubed (int n, int *OUTPUT); |
| %} |
| |
| %include exception.i |
| |
| extern int gcd(int x, int y); |
| |
| %typemap(arginit) (int argc, char *argv[]) "$2 = 0;"; |
| |
| %typemap(in) (int argc, char *argv[]) { |
| Tcl_Obj **listobjv = 0; |
| int i; |
| if (Tcl_ListObjGetElements(interp,$input, &$1, &listobjv) == TCL_ERROR) { |
| SWIG_exception(SWIG_ValueError,"Expected a list"); |
| return TCL_ERROR; |
| } |
| $2 = (char **) malloc(($1+1)*sizeof(char *)); |
| for (i = 0; i < $1; i++) { |
| $2[i] = Tcl_GetStringFromObj(listobjv[i],0); |
| } |
| $2[i] = 0; |
| } |
| |
| %typemap(freearg) char *argv[] { |
| if ($1) { |
| free($1); |
| } |
| } |
| |
| extern int gcdmain(int argc, char *argv[]); |
| |
| %typemap(in) (char *bytes, int len) { |
| $1 = Tcl_GetStringFromObj($input,&$2); |
| } |
| |
| extern int count(char *bytes, int len, char c); |
| |
| |
| /* This example shows how to wrap a function that mutates a string */ |
| |
| %typemap(in) (char *str, int len) { |
| char *temp; |
| temp = Tcl_GetStringFromObj($input,&$2); |
| $1 = (char *) malloc($2+1); |
| memmove($1,temp,$2); |
| } |
| |
| /* Return the mutated string as a new object. */ |
| |
| %typemap(argout) (char *str, int len) { |
| Tcl_Obj *o; |
| o = Tcl_NewStringObj($1,$2); |
| Tcl_ListObjAppendElement(interp,$result,o); |
| free($1); |
| } |
| |
| extern void capitalize(char *str, int len); |
| |
| |
| /* A multi-valued constraint. Force two arguments to lie |
| inside the unit circle */ |
| |
| %typemap(check) (double cx, double cy) { |
| double a = $1*$1 + $2*$2; |
| if (a > 1.0) { |
| SWIG_exception(SWIG_ValueError,"$1_name and $2_name must be in unit circle"); |
| return TCL_ERROR; |
| } |
| } |
| |
| extern void circle(double cx, double cy); |