| /* 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[]) %{ |
| scm_t_array_handle handle; |
| size_t i; |
| size_t lenp; |
| ssize_t inc; |
| const SCM *v; |
| if (!(SCM_NIMP($input) && scm_is_vector($input))) { |
| SWIG_exception(SWIG_ValueError, "Expecting a vector"); |
| return 0; |
| } |
| v = scm_vector_elements($input, &handle, &lenp, &inc); |
| $1 = (int)lenp; |
| if ($1 == 0) { |
| SWIG_exception(SWIG_ValueError, "Vector must contain at least 1 element"); |
| } |
| $2 = (char **) malloc(($1+1)*sizeof(char *)); |
| for (i = 0; i < $1; i++, v +=inc ) { |
| if (!(SCM_NIMP(*v) && scm_is_string(*v))) { |
| free($2); |
| SWIG_exception(SWIG_ValueError, "Vector items must be strings"); |
| return 0; |
| } |
| $2[i] = scm_to_locale_string(*v); |
| } |
| $2[i] = 0; |
| scm_array_handle_release (&handle); |
| %} |
| |
| %typemap(freearg) (int argc, char *argv[]) %{ |
| for (i = 0; i < $1; i++) { |
| free($2[i]); |
| } |
| free($2); |
| %} |
| |
| extern int gcdmain(int argc, char *argv[]); |
| |
| %typemap(in) (char *bytes, int len) %{ |
| if (!(SCM_NIMP($input) && scm_is_string($input))) { |
| SWIG_exception(SWIG_ValueError, "Expecting a string"); |
| } |
| $1 = scm_to_locale_string($input); |
| $2 = scm_c_string_length($input); |
| %} |
| |
| %typemap(freearg) (char *bytes, int len) %{ |
| free($1); |
| %} |
| |
| 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) { |
| size_t temp; |
| $1 = SWIG_Guile_scm2newstr($input,&temp); |
| $2 = temp; |
| } |
| |
| /* Return the mutated string as a new object. */ |
| |
| %typemap(argout) (char *str, int len) { |
| SWIG_APPEND_VALUE(scm_from_locale_stringn($1,$2)); |
| if ($1) SWIG_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"); |
| } |
| } |
| |
| extern void circle(double cx, double cy); |
| |
| |