Revert "remove time.c and system.c"

This reverts commit bd2c5afb02.
This commit is contained in:
Yuichi Nishiwaki 2014-09-08 18:50:35 +09:00
parent ed9b14630b
commit 062cfda6df
3 changed files with 189 additions and 0 deletions

4
init.c
View File

@ -12,6 +12,8 @@ void pic_init_bool(pic_state *);
void pic_init_pair(pic_state *);
void pic_init_port(pic_state *);
void pic_init_number(pic_state *);
void pic_init_time(pic_state *);
void pic_init_system(pic_state *);
void pic_init_file(pic_state *);
void pic_init_proc(pic_state *);
void pic_init_symbol(pic_state *);
@ -51,6 +53,8 @@ pic_init_core(pic_state *pic)
pic_init_pair(pic); DONE;
pic_init_port(pic); DONE;
pic_init_number(pic); DONE;
pic_init_time(pic); DONE;
pic_init_system(pic); DONE;
pic_init_file(pic); DONE;
pic_init_proc(pic); DONE;
pic_init_symbol(pic); DONE;

136
system.c Normal file
View File

@ -0,0 +1,136 @@
/**
* 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_str_new_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_str_new_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;
int i;
for (i = 0; (*envp)[i] != '='; ++i)
;
key = pic_str_new(pic, *envp, i);
val = pic_str_new_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_deflibrary (pic, "(scheme process-context)") {
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);
}
}

49
time.c Normal file
View File

@ -0,0 +1,49 @@
/**
* See Copyright Notice in picrin.h
*/
#include <time.h>
#include "picrin.h"
#define UTC_TAI_DIFF 35
static pic_value
pic_current_second(pic_state *pic)
{
time_t t;
pic_get_args(pic, "");
time(&t);
return pic_float_value((double)t + UTC_TAI_DIFF);
}
static pic_value
pic_current_jiffy(pic_state *pic)
{
clock_t c;
pic_get_args(pic, "");
c = clock();
return pic_int_value(c);
}
static pic_value
pic_jiffies_per_second(pic_state *pic)
{
pic_get_args(pic, "");
return pic_int_value(CLOCKS_PER_SEC);
}
void
pic_init_time(pic_state *pic)
{
pic_deflibrary (pic, "(scheme time)") {
pic_defun(pic, "current-second", pic_current_second);
pic_defun(pic, "current-jiffy", pic_current_jiffy);
pic_defun(pic, "jiffies-per-second", pic_jiffies_per_second);
}
}