98 lines
2.0 KiB
C
98 lines
2.0 KiB
C
/**
|
|
* See Copyright Notice in picrin.h
|
|
*/
|
|
|
|
#include "picrin.h"
|
|
|
|
struct pic_proc *
|
|
pic_make_proc(pic_state *pic, pic_func_t func)
|
|
{
|
|
struct pic_proc *proc;
|
|
|
|
proc = (struct pic_proc *)pic_obj_alloc(pic, sizeof(struct pic_proc), PIC_TT_PROC);
|
|
proc->tag = PIC_PROC_TAG_FUNC;
|
|
proc->u.f.func = func;
|
|
proc->u.f.env = NULL;
|
|
return proc;
|
|
}
|
|
|
|
struct pic_proc *
|
|
pic_make_proc_irep(pic_state *pic, struct pic_irep *irep, struct pic_context *cxt)
|
|
{
|
|
struct pic_proc *proc;
|
|
|
|
proc = (struct pic_proc *)pic_obj_alloc(pic, sizeof(struct pic_proc), PIC_TT_PROC);
|
|
proc->tag = PIC_PROC_TAG_IREP;
|
|
proc->u.i.irep = irep;
|
|
proc->u.i.cxt = cxt;
|
|
return proc;
|
|
}
|
|
|
|
struct pic_dict *
|
|
pic_proc_env(pic_state *pic, struct pic_proc *proc)
|
|
{
|
|
assert(pic_proc_func_p(proc));
|
|
|
|
if (! proc->u.f.env) {
|
|
proc->u.f.env = pic_make_dict(pic);
|
|
}
|
|
return proc->u.f.env;
|
|
}
|
|
|
|
bool
|
|
pic_proc_env_has(pic_state *pic, struct pic_proc *proc, const char *key)
|
|
{
|
|
return pic_dict_has(pic, pic_proc_env(pic, proc), pic_intern(pic, key));
|
|
}
|
|
|
|
pic_value
|
|
pic_proc_env_ref(pic_state *pic, struct pic_proc *proc, const char *key)
|
|
{
|
|
return pic_dict_ref(pic, pic_proc_env(pic, proc), pic_intern(pic, key));
|
|
}
|
|
|
|
void
|
|
pic_proc_env_set(pic_state *pic, struct pic_proc *proc, const char *key, pic_value val)
|
|
{
|
|
pic_dict_set(pic, pic_proc_env(pic, proc), pic_intern(pic, key), val);
|
|
}
|
|
|
|
static pic_value
|
|
pic_proc_proc_p(pic_state *pic)
|
|
{
|
|
pic_value v;
|
|
|
|
pic_get_args(pic, "o", &v);
|
|
|
|
return pic_bool_value(pic_proc_p(v));
|
|
}
|
|
|
|
static pic_value
|
|
pic_proc_apply(pic_state *pic)
|
|
{
|
|
struct pic_proc *proc;
|
|
pic_value *args;
|
|
size_t argc;
|
|
pic_value arg_list;
|
|
|
|
pic_get_args(pic, "l*", &proc, &argc, &args);
|
|
|
|
if (argc == 0) {
|
|
pic_errorf(pic, "apply: wrong number of arguments");
|
|
}
|
|
|
|
arg_list = args[--argc];
|
|
while (argc--) {
|
|
arg_list = pic_cons(pic, args[argc], arg_list);
|
|
}
|
|
|
|
return pic_apply_trampoline_list(pic, proc, arg_list);
|
|
}
|
|
|
|
void
|
|
pic_init_proc(pic_state *pic)
|
|
{
|
|
pic_defun(pic, "procedure?", pic_proc_proc_p);
|
|
pic_defun(pic, "apply", pic_proc_apply);
|
|
}
|