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add partial apply funciton

This commit is contained in:
Yuichi Nishiwaki 2014-02-12 01:17:05 +09:00
parent 4ba05e7491
commit 9c278889fc
2 changed files with 32 additions and 0 deletions
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2
include/picrin/proc.h
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@ -43,6 +43,8 @@ int pic_proc_cv_size(pic_state *, struct pic_proc *);
pic_value pic_proc_cv_ref(pic_state *, struct pic_proc *, size_t); pic_value pic_proc_cv_ref(pic_state *, struct pic_proc *, size_t);
void pic_proc_cv_set(pic_state *, struct pic_proc *, size_t, pic_value); void pic_proc_cv_set(pic_state *, struct pic_proc *, size_t, pic_value);
struct pic_proc *pic_papply(pic_state *, struct pic_proc *, pic_value);
#if defined(__cplusplus) #if defined(__cplusplus)
} }
#endif #endif

30
src/proc.c
View File

@ -72,6 +72,36 @@ pic_proc_cv_set(pic_state *pic, struct pic_proc *proc, size_t i, pic_value v)
proc->env->values[i] = v; proc->env->values[i] = v;
} }
static pic_value
papply_call(pic_state *pic)
{
size_t argc;
pic_value *argv, arg, arg_list;
struct pic_proc *proc;
pic_get_args(pic, "*", &argc, &argv);
proc = pic_proc_ptr(pic_proc_cv_ref(pic, pic_get_proc(pic), 0));
arg = pic_proc_cv_ref(pic, pic_get_proc(pic), 1);
arg_list = pic_list_by_array(pic, argc, argv);
arg_list = pic_cons(pic, arg, arg_list);
return pic_apply(pic, proc, arg_list);
}
struct pic_proc *
pic_papply(pic_state *pic, struct pic_proc *proc, pic_value arg)
{
struct pic_proc *pa_proc;
pa_proc = pic_proc_new(pic, papply_call);
pic_proc_cv_init(pic, pa_proc, 2);
pic_proc_cv_set(pic, pa_proc, 0, pic_obj_value(proc));
pic_proc_cv_set(pic, pa_proc, 1, arg);
return pa_proc;
}
static pic_value static pic_value
pic_proc_proc_p(pic_state *pic) pic_proc_proc_p(pic_state *pic)
{ {