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cleanup

This commit is contained in:
Yuichi Nishiwaki 2013-11-09 15:29:58 +09:00
parent 9d467e4d14
commit 0d2e49c17e
1 changed files with 47 additions and 46 deletions
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93
src/cont.c
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@ -5,8 +5,55 @@
#include "picrin/proc.h" #include "picrin/proc.h"
#include "picrin/cont.h" #include "picrin/cont.h"
static struct pic_cont *save_cont(pic_state *pic);
static void restore_cont(pic_state *, struct pic_cont *); static void restore_cont(pic_state *, struct pic_cont *);
static size_t
native_stack_length(pic_state *pic, pic_value **pos)
{
pic_value t;
*pos = (pic->native_stack_start > &t)
? &t
: pic->native_stack_start;
return (pic->native_stack_start > &t)
? (size_t)(pic->native_stack_start - &t)
: (size_t)(&t - pic->native_stack_start + 1);
}
static struct pic_cont *
save_cont(pic_state *pic)
{
struct pic_cont *cont;
pic_value *pos;
cont = (struct pic_cont *)pic_obj_alloc(pic, sizeof(struct pic_cont), PIC_TT_CONT);
cont->stk_len = native_stack_length(pic, &pos);
cont->stk_pos = pos;
cont->stk_ptr = pic_alloc(pic, sizeof(pic_value) * cont->stk_len);
memcpy(cont->stk_ptr, cont->stk_pos, sizeof(pic_value) * cont->stk_len);
cont->stbase = (pic_value *)pic_alloc(pic, sizeof(pic_value) * (pic->stend - pic->stbase));
cont->stend = cont->stbase + (pic->stend - pic->stbase);
cont->sp = cont->stbase + (pic->sp - pic->stbase);
memcpy(cont->stbase, pic->stbase, sizeof(pic_value) * (pic->stend - pic->stbase));
cont->cibase = (pic_callinfo *)pic_alloc(pic, sizeof(pic_callinfo) * (pic->ciend - pic->cibase));
cont->ciend = cont->cibase + (pic->ciend - pic->cibase);
cont->ci = cont->cibase + (pic->ci - pic->cibase);
memcpy(cont->cibase, pic->cibase, sizeof(pic_callinfo) * (pic->ciend - pic->cibase));
cont->arena = (struct pic_object **)pic_alloc(pic, sizeof(struct pic_object *) * PIC_ARENA_SIZE);
cont->arena_idx = pic->arena_idx;
memcpy(cont->arena, pic->arena, sizeof(struct pic_object *) * PIC_ARENA_SIZE);
cont->result = pic_undef_value();
return cont;
}
static void static void
native_stack_extend(pic_state *pic, struct pic_cont *cont) native_stack_extend(pic_state *pic, struct pic_cont *cont)
{ {
@ -62,52 +109,6 @@ cont_call(pic_state *pic)
return pic_undef_value(); return pic_undef_value();
} }
static size_t
native_stack_length(pic_state *pic, pic_value **pos)
{
pic_value t;
*pos = (pic->native_stack_start > &t)
? &t
: pic->native_stack_start;
return (pic->native_stack_start > &t)
? (size_t)(pic->native_stack_start - &t)
: (size_t)(&t - pic->native_stack_start + 1);
}
static struct pic_cont *
save_cont(pic_state *pic)
{
struct pic_cont *cont;
pic_value *pos;
cont = (struct pic_cont *)pic_obj_alloc(pic, sizeof(struct pic_cont), PIC_TT_CONT);
cont->stk_len = native_stack_length(pic, &pos);
cont->stk_pos = pos;
cont->stk_ptr = pic_alloc(pic, sizeof(pic_value) * cont->stk_len);
memcpy(cont->stk_ptr, cont->stk_pos, sizeof(pic_value) * cont->stk_len);
cont->stbase = (pic_value *)pic_alloc(pic, sizeof(pic_value) * (pic->stend - pic->stbase));
cont->stend = cont->stbase + (pic->stend - pic->stbase);
cont->sp = cont->stbase + (pic->sp - pic->stbase);
memcpy(cont->stbase, pic->stbase, sizeof(pic_value) * (pic->stend - pic->stbase));
cont->cibase = (pic_callinfo *)pic_alloc(pic, sizeof(pic_callinfo) * (pic->ciend - pic->cibase));
cont->ciend = cont->cibase + (pic->ciend - pic->cibase);
cont->ci = cont->cibase + (pic->ci - pic->cibase);
memcpy(cont->cibase, pic->cibase, sizeof(pic_callinfo) * (pic->ciend - pic->cibase));
cont->arena = (struct pic_object **)pic_alloc(pic, sizeof(struct pic_object *) * PIC_ARENA_SIZE);
cont->arena_idx = pic->arena_idx;
memcpy(cont->arena, pic->arena, sizeof(struct pic_object *) * PIC_ARENA_SIZE);
cont->result = pic_undef_value();
return cont;
}
static pic_value static pic_value
pic_cont_callcc(pic_state *pic) pic_cont_callcc(pic_state *pic)
{ {