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/* 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
%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 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) {
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,$2,1);
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);
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