135 lines
2.4 KiB
C
135 lines
2.4 KiB
C
/**
|
|
* See Copyright Notice in picrin.h
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "picrin.h"
|
|
#include "picrin/string.h"
|
|
#include "picrin/pair.h"
|
|
#include "picrin/cont.h"
|
|
|
|
static pic_value
|
|
pic_system_cmdline(pic_state *pic)
|
|
{
|
|
pic_value v = pic_nil_value();
|
|
int i;
|
|
|
|
pic_get_args(pic, "");
|
|
|
|
for (i = 0; i < pic->argc; ++i) {
|
|
size_t ai = pic_gc_arena_preserve(pic);
|
|
|
|
v = pic_cons(pic, pic_obj_value(pic_make_str_cstr(pic, pic->argv[i])), v);
|
|
pic_gc_arena_restore(pic, ai);
|
|
}
|
|
|
|
return pic_reverse(pic, v);
|
|
}
|
|
|
|
static pic_value
|
|
pic_system_exit(pic_state *pic)
|
|
{
|
|
pic_value v;
|
|
int argc, status = EXIT_SUCCESS;
|
|
|
|
argc = pic_get_args(pic, "|o", &v);
|
|
if (argc == 1) {
|
|
switch (pic_type(v)) {
|
|
case PIC_TT_FLOAT:
|
|
status = (int)pic_float(v);
|
|
break;
|
|
case PIC_TT_INT:
|
|
status = pic_int(v);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
pic_close(pic);
|
|
|
|
exit(status);
|
|
}
|
|
|
|
static pic_value
|
|
pic_system_emergency_exit(pic_state *pic)
|
|
{
|
|
pic_value v;
|
|
int argc, status = EXIT_FAILURE;
|
|
|
|
argc = pic_get_args(pic, "|o", &v);
|
|
if (argc == 1) {
|
|
switch (pic_type(v)) {
|
|
case PIC_TT_FLOAT:
|
|
status = (int)pic_float(v);
|
|
break;
|
|
case PIC_TT_INT:
|
|
status = pic_int(v);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
_Exit(status);
|
|
}
|
|
|
|
static pic_value
|
|
pic_system_getenv(pic_state *pic)
|
|
{
|
|
char *str, *val;
|
|
|
|
pic_get_args(pic, "z", &str);
|
|
|
|
val = getenv(str);
|
|
|
|
if (val == NULL)
|
|
return pic_nil_value();
|
|
else
|
|
return pic_obj_value(pic_make_str_cstr(pic, val));
|
|
}
|
|
|
|
static pic_value
|
|
pic_system_getenvs(pic_state *pic)
|
|
{
|
|
char **envp;
|
|
pic_value data = pic_nil_value();
|
|
size_t ai = pic_gc_arena_preserve(pic);
|
|
|
|
pic_get_args(pic, "");
|
|
|
|
if (! pic->envp) {
|
|
return pic_nil_value();
|
|
}
|
|
|
|
for (envp = pic->envp; *envp; ++envp) {
|
|
pic_str *key, *val;
|
|
size_t i;
|
|
|
|
for (i = 0; (*envp)[i] != '='; ++i)
|
|
;
|
|
|
|
key = pic_make_str(pic, *envp, i);
|
|
val = pic_make_str_cstr(pic, getenv(pic_str_cstr(key)));
|
|
|
|
/* push */
|
|
data = pic_acons(pic, pic_obj_value(key), pic_obj_value(val), data);
|
|
|
|
pic_gc_arena_restore(pic, ai);
|
|
pic_gc_protect(pic, data);
|
|
}
|
|
|
|
return data;
|
|
}
|
|
|
|
void
|
|
pic_init_system(pic_state *pic)
|
|
{
|
|
pic_defun(pic, "command-line", pic_system_cmdline);
|
|
pic_defun(pic, "exit", pic_system_exit);
|
|
pic_defun(pic, "emergency-exit", pic_system_emergency_exit);
|
|
pic_defun(pic, "get-environment-variable", pic_system_getenv);
|
|
pic_defun(pic, "get-environment-variables", pic_system_getenvs);
|
|
}
|