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add OP_CREF

This commit is contained in:
Yuichi Nishiwaki 2013-10-24 02:04:49 +09:00
parent bd851318d1
commit 4b31901bce
3 changed files with 23 additions and 3 deletions
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5
include/picrin/irep.h
View File

@ -11,6 +11,7 @@ enum pic_opcode {
OP_GREF,
OP_GSET,
OP_LREF,
OP_CREF,
OP_JMP,
OP_JMPIF,
OP_CALL,
@ -32,6 +33,10 @@ struct pic_code {
union {
double f;
int i;
struct {
short depth;
short idx;
} c;
} u;
};

3
src/codegen.c
View File

@ -506,6 +506,9 @@ print_irep(pic_state *pic, struct pic_irep *irep)
case OP_LREF:
printf("OP_LREF\t%d\n", irep->code[i].u.i);
break;
case OP_CREF:
printf("OP_CREF\t%d\t%d\n", irep->code[i].u.c.depth, irep->code[i].u.c.idx);
break;
case OP_JMP:
printf("OP_JMP\t%d\n", irep->code[i].u.i);
break;

18
src/vm.c
View File

@ -118,9 +118,10 @@ pic_run(pic_state *pic, struct pic_proc *proc, pic_value args)
#if PIC_DIRECT_THREADED_VM
static void *oplabels[] = {
&&L_OP_POP, &&L_OP_PUSHNIL, &&L_OP_PUSHTRUE, &&L_OP_PUSHFALSE, &&L_OP_PUSHNUM,
&&L_OP_PUSHCONST, &&L_OP_GREF, &&L_OP_GSET, &&L_OP_LREF, &&L_OP_JMP, &&L_OP_JMPIF,
&&L_OP_CALL, &&L_OP_RET, &&L_OP_LAMBDA, &&L_OP_CONS, &&L_OP_CAR, &&L_OP_CDR,
&&L_OP_NILP, &&L_OP_ADD, &&L_OP_SUB, &&L_OP_MUL, &&L_OP_DIV, &&L_OP_STOP
&&L_OP_PUSHCONST, &&L_OP_GREF, &&L_OP_GSET, &&L_OP_LREF, &&L_OP_CREF,
&&L_OP_JMP, &&L_OP_JMPIF, &&L_OP_CALL, &&L_OP_RET, &&L_OP_LAMBDA, &&L_OP_CONS,
&&L_OP_CAR, &&L_OP_CDR, &&L_OP_NILP, &&L_OP_ADD, &&L_OP_SUB, &&L_OP_MUL,
&&L_OP_DIV, &&L_OP_STOP
};
#endif
@ -177,6 +178,17 @@ pic_run(pic_state *pic, struct pic_proc *proc, pic_value args)
PUSH(pic->ci->fp[pc->u.i]);
NEXT;
}
CASE(OP_CREF) {
int depth = pc->u.c.depth;
struct pic_env *env;
env = pic_proc_ptr(*pic->ci->fp)->env;
while (depth--) {
env = env->up;
}
PUSH(env->values[pc->u.c.idx]);
NEXT;
}
CASE(OP_JMP) {
pc += pc->u.i;
JUMP;