Merge pull request #2422 from ksss/aspec-macro

OP_ENTER use MBR_ASPEC_* macros

include/mruby/proc.h

@@ -37,7 +37,7 @@ struct RProc {
 /* aspec access */
 #define MRB_ASPEC_REQ(a)          (((a) >> 18) & 0x1f)
 #define MRB_ASPEC_OPT(a)          (((a) >> 13) & 0x1f)
-#define MRB_ASPEC_REST(a)         ((a) & (1<<12))
+#define MRB_ASPEC_REST(a)         (((a) >> 12) & 0x1)
 #define MRB_ASPEC_POST(a)         (((a) >> 7) & 0x1f)
 #define MRB_ASPEC_KEY(a)          (((a) >> 2) & 0x1f)
 #define MRB_ASPEC_KDICT(a)        ((a) & (1<<1))

src/vm.c

@@ -1364,14 +1364,14 @@ RETRY_TRY_BLOCK:
       /* Ax             arg setup according to flags (23=5:5:1:5:5:1:1) */
       /* number of optional arguments times OP_JMP should follow */
       mrb_aspec ax = GETARG_Ax(i);
-      int m1 = (ax>>18)&0x1f;
-      int o  = (ax>>13)&0x1f;
-      int r  = (ax>>12)&0x1;
-      int m2 = (ax>>7)&0x1f;
+      int m1 = MRB_ASPEC_REQ(ax);
+      int o  = MRB_ASPEC_OPT(ax);
+      int r  = MRB_ASPEC_REST(ax);
+      int m2 = MRB_ASPEC_POST(ax);
       /* unused
-      int k  = (ax>>2)&0x1f;
-      int kd = (ax>>1)&0x1;
-      int b  = (ax>>0)& 0x1;
+      int k  = MRB_ASPEC_KEY(ax);
+      int kd = MRB_ASPEC_KDICT(ax);
+      int b  = MRB_ASPEC_BLOCK(ax);
       */
       int argc = mrb->c->ci->argc;
       mrb_value *argv = regs+1;