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-rw-r--r--src/codedump.c6
-rw-r--r--src/string.c2
-rw-r--r--src/vm.c29
3 files changed, 36 insertions, 1 deletions
diff --git a/src/codedump.c b/src/codedump.c
index 431771ca9..df88b37fc 100644
--- a/src/codedump.c
+++ b/src/codedump.c
@@ -265,6 +265,12 @@ codedump(mrb_state *mrb, const mrb_irep *irep)
printf("OP_SETCV\t%s\tR%d\t", mrb_sym_dump(mrb, irep->syms[b]), a);
print_lv_a(mrb, irep, a);
break;
+ CASE(OP_GETIDX, B):
+ printf("OP_GETIDX\tR%d\tR%d\n", a, a+1);
+ break;
+ CASE(OP_SETIDX, B):
+ printf("OP_SETIDX\tR%d\tR%d\tR%d\n", a, a+1, a+2);
+ break;
CASE(OP_JMP, S):
i = pc - irep->iseq;
printf("OP_JMP\t\t%03d\n", (int)i+(int16_t)a);
diff --git a/src/string.c b/src/string.c
index ac0f4a920..089c8616c 100644
--- a/src/string.c
+++ b/src/string.c
@@ -1146,7 +1146,7 @@ range_arg:
return STR_OUT_OF_RANGE;
}
-static mrb_value
+mrb_value
mrb_str_aref(mrb_state *mrb, mrb_value str, mrb_value indx, mrb_value alen)
{
mrb_int beg, len;
diff --git a/src/vm.c b/src/vm.c
index abb5d0c85..f3332353b 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1063,6 +1063,7 @@ get_send_args(mrb_state *mrb, mrb_int argc, mrb_value *regs)
mrb_value mrb_obj_missing(mrb_state *mrb, mrb_value mod);
void mrb_hash_check_kdict(mrb_state *mrb, mrb_value self);
void mrb_method_added(mrb_state *mrb, struct RClass *c, mrb_sym mid);
+mrb_value mrb_str_aref(mrb_state *mrb, mrb_value str, mrb_value idx, mrb_value len);
MRB_API mrb_value
mrb_vm_exec(mrb_state *mrb, const struct RProc *proc, const mrb_code *pc)
@@ -1252,6 +1253,34 @@ RETRY_TRY_BLOCK:
NEXT;
}
+ CASE(OP_GETIDX, B) {
+ mrb_value va = regs[a], vb = regs[a+1];
+ switch (mrb_type(va)) {
+ case MRB_TT_ARRAY:
+ if (!mrb_integer_p(vb)) goto getidx_fallback;
+ regs[a] = mrb_ary_entry(va, mrb_integer(vb));
+ break;
+ case MRB_TT_HASH:
+ regs[a] = mrb_hash_get(mrb, va, vb);
+ break;
+ case MRB_TT_STRING:
+ regs[a] = mrb_str_aref(mrb, va, vb, mrb_undef_value());
+ break;
+ default:
+ getidx_fallback:
+ c = 1;
+ mid = MRB_OPSYM(aref);
+ goto L_SEND_SYM;
+ }
+ NEXT;
+ }
+
+ CASE(OP_SETIDX, B) {
+ c = 1;
+ mid = MRB_OPSYM(aset);
+ goto L_SEND_SYM;
+ }
+
CASE(OP_GETCONST, BB) {
mrb_value val;
mrb_sym sym = syms[b];