| /* File : example.i */ |
| %module example |
| |
| %{ |
| extern int gcd(int x, int y); |
| extern int gcdmain(int argc, char *argv[]); |
| extern int charcount(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 |
| %include typemaps.i |
| |
| extern int gcd(int x, int y); |
| |
| %typemap(in) (int argc, char *argv[]) { |
| int i; |
| Scheme_Object **elms; |
| if (!SCHEME_VECTORP($input)) { |
| scheme_wrong_type("$name","vector",$argnum,argc,argv); |
| } |
| $1 = SCHEME_VEC_SIZE($input); |
| elms = SCHEME_VEC_ELS($input); |
| if ($1 == 0) { |
| scheme_wrong_type("$name","vector",$argnum,argc,argv); |
| } |
| $2 = (char **) malloc(($1+1)*sizeof(char *)); |
| for (i = 0; i < $1; i++) { |
| if (!SCHEME_STRINGP(elms[i])) { |
| free($2); |
| scheme_wrong_type("$name","vector",$argnum,argc,argv); |
| } |
| $2[i] = SCHEME_STR_VAL(elms[i]); |
| } |
| $2[i] = 0; |
| } |
| |
| %typemap(freearg) (int argc, char *argv[]) { |
| free($2); |
| } |
| extern int gcdmain(int argc, char *argv[]); |
| |
| %typemap(in) (char *bytes, int len) { |
| if (!SCHEME_STRINGP($input)) { |
| scheme_wrong_type("$name","string",1,argc,argv); |
| } |
| $1 = SCHEME_STR_VAL($input); |
| $2 = SCHEME_STRLEN_VAL($input); |
| } |
| |
| extern int charcount(char *bytes, int len, char c); |
| |
| |
| /* This example shows how to wrap a function that mutates a string */ |
| |
| %typemap(in) (char *str, int len) { |
| if (!SCHEME_STRINGP($input)) { |
| scheme_wrong_type("$name","string",1,argc,argv); |
| } |
| $2 = SCHEME_STRLEN_VAL($input); |
| $1 = (char *) malloc($2+1); |
| memmove($1,SCHEME_STR_VAL($input),$2); |
| } |
| |
| /* Return the mutated string as a new object. */ |
| |
| %typemap(argout) (char *str, int len) { |
| Scheme_Object *s; |
| s = scheme_make_sized_string($1,$2); |
| SWIG_APPEND_VALUE(s); |
| 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 NULL; |
| } |
| } |
| |
| extern void circle(double cx, double cy); |
| |
| |