diff --git a/mrbgems/mruby-compiler/core/codegen.c b/mrbgems/mruby-compiler/core/codegen.c
index f31d0cc17..c16f668af 100644
--- a/mrbgems/mruby-compiler/core/codegen.c
+++ b/mrbgems/mruby-compiler/core/codegen.c
@@ -3427,24 +3427,20 @@ gen_call_var(codegen_scope *s, node *varnode, int val)
     }
 
     /* Handle keyword arguments if present */
-    if (CALL_NODE_HAS_KWARGS(call)) {
-      if (callargs->keyword_args) {
-        nk = gen_hash(s, callargs->keyword_args, VAL, 14);
-        if (nk < 0) {
-          nk = 15;
-        }
-        noop = 1;
+    if (callargs->keyword_args) {
+      nk = gen_hash(s, callargs->keyword_args, VAL, 14);
+      if (nk < 0) {
+        nk = 15;
       }
+      noop = 1;
     }
 
     /* Handle block if present */
-    if (CALL_NODE_HAS_BLOCK(call)) {
-      if (callargs->block_arg) {
-        codegen(s, callargs->block_arg, VAL);
-        pop();
-        blk = 1;
-        noop = 1;
-      }
+    if (callargs->block_arg) {
+      codegen(s, callargs->block_arg, VAL);
+      pop();
+      blk = 1;
+      noop = 1;
     }
   }
 
@@ -3731,6 +3727,12 @@ gen_array_var(codegen_scope *s, node *varnode, int val)
 }
 
 /* Phase 3 Variable Node Codegen Functions */
+static mrb_bool
+callargs_empty(node *n)
+{
+  if (!n) return TRUE;
+  return (CALLARGS_NODE_REGULAR(n) == 0 && CALLARGS_NODE_KEYWORDS(n) == 0 && CALLARGS_NODE_BLOCK(n) == 0);
+}
 
 static void
 gen_if_var(codegen_scope *s, node *varnode, int val)
@@ -3760,7 +3762,7 @@ gen_if_var(codegen_scope *s, node *varnode, int val)
     /* Variable-sized NODE_CALL */
     struct mrb_ast_call_node *call_n = (struct mrb_ast_call_node*)condition;
     mrb_sym sym_nil_p = MRB_SYM_Q_2(s->mrb, nil);
-    if (call_n->method_name == sym_nil_p && call_n->argc == 0) {
+    if (call_n->method_name == sym_nil_p && callargs_empty(call_n->args)) {
       nil_p = TRUE;
       codegen(s, call_n->receiver, VAL);
     }
diff --git a/mrbgems/mruby-compiler/core/node.h b/mrbgems/mruby-compiler/core/node.h
index 0ec0a0500..2c04f6751 100644
--- a/mrbgems/mruby-compiler/core/node.h
+++ b/mrbgems/mruby-compiler/core/node.h
@@ -182,11 +182,7 @@ struct mrb_ast_call_node {
   struct mrb_ast_var_header header;  /* 8 bytes */
   struct mrb_ast_node *receiver;     /* Receiver object */
   mrb_sym method_name;               /* Method name symbol */
-  uint8_t argc;                      /* Number of regular arguments */
-  uint8_t has_kwargs:1;              /* Has keyword arguments */
-  uint8_t has_block:1;               /* Has block argument */
   uint8_t safe_call:1;               /* Safe navigation (&.) */
-  uint8_t reserved:5;                /* Reserved for future flags */
   struct mrb_ast_node *args;         /* Arguments Information */
 };
 
@@ -400,10 +396,7 @@ struct mrb_ast_super_node {
 /* Phase 2 value access macros */
 #define CALL_NODE_RECEIVER(n) (call_node(n)->receiver)
 #define CALL_NODE_METHOD(n) (call_node(n)->method_name)
-#define CALL_NODE_ARGC(n) (call_node(n)->argc)
 #define CALL_NODE_ARGS(n) (call_node(n)->args)
-#define CALL_NODE_HAS_KWARGS(n) (call_node(n)->has_kwargs)
-#define CALL_NODE_HAS_BLOCK(n) (call_node(n)->has_block)
 #define CALL_NODE_SAFE(n) (call_node(n)->safe_call)
 
 #define ARRAY_NODE_ELEMENTS(n) (array_node(n)->elements)
diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y
index 715b62395..45ba756c3 100644
--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -620,26 +620,11 @@ new_self(parser_state *p)
 static node*
 new_call(parser_state *p, node *receiver, mrb_sym method, node *args, int pass)
 {
-  /* Analyze the arguments to determine structure */
-  uint8_t has_kwargs = 0;
-  uint8_t has_block = 0;
-
-  if (args) {
-    /* Handle callargs structure - direct casting like new_args() */
-    struct mrb_ast_callargs *callargs = (struct mrb_ast_callargs*)args;
-    has_kwargs = (callargs->keyword_args != NULL);
-    has_block = (callargs->block_arg != NULL);
-  }
-
   /* Calculate size needed (fixed size now) */  struct mrb_ast_call_node *n = (struct mrb_ast_call_node*)parser_palloc(p, sizeof(struct mrb_ast_call_node));
   init_var_header(&n->header, p, NODE_CALL);
   n->receiver = receiver;
   n->method_name = method;
-  n->argc = 0; /* argc will be determined at codegen time to handle splats */
-  n->has_kwargs = has_kwargs;
-  n->has_block = has_block;
   n->safe_call = (pass == 0); /* pass == 0 means safe call (&.) */
-  n->reserved = 0;
 
   /* Store args pointer directly - no need to unpack and repack */
   n->args = args;
@@ -1710,11 +1695,10 @@ call_with_block(parser_state *p, node *a, node *b)
     {
       struct mrb_ast_call_node *call = call_node(a);
 
-      if (call->has_block) {
+      if (call->args && CALLARGS_NODE_BLOCK(call->args)) {
         yyerror(NULL, p, "both block arg and actual block given");
         return;
       }
-      call->has_block = 1;
 
       /* Use existing args and add block */
       if (call->args) {
diff --git a/mrbgems/mruby-compiler/core/y.tab.c b/mrbgems/mruby-compiler/core/y.tab.c
index 2ce7cf6e6..053d0bc91 100644
--- a/mrbgems/mruby-compiler/core/y.tab.c
+++ b/mrbgems/mruby-compiler/core/y.tab.c
@@ -682,26 +682,11 @@ new_self(parser_state *p)
 static node*
 new_call(parser_state *p, node *receiver, mrb_sym method, node *args, int pass)
 {
-  /* Analyze the arguments to determine structure */
-  uint8_t has_kwargs = 0;
-  uint8_t has_block = 0;
-
-  if (args) {
-    /* Handle callargs structure - direct casting like new_args() */
-    struct mrb_ast_callargs *callargs = (struct mrb_ast_callargs*)args;
-    has_kwargs = (callargs->keyword_args != NULL);
-    has_block = (callargs->block_arg != NULL);
-  }
-
   /* Calculate size needed (fixed size now) */  struct mrb_ast_call_node *n = (struct mrb_ast_call_node*)parser_palloc(p, sizeof(struct mrb_ast_call_node));
   init_var_header(&n->header, p, NODE_CALL);
   n->receiver = receiver;
   n->method_name = method;
-  n->argc = 0; /* argc will be determined at codegen time to handle splats */
-  n->has_kwargs = has_kwargs;
-  n->has_block = has_block;
   n->safe_call = (pass == 0); /* pass == 0 means safe call (&.) */
-  n->reserved = 0;
 
   /* Store args pointer directly - no need to unpack and repack */
   n->args = args;
@@ -1772,11 +1757,10 @@ call_with_block(parser_state *p, node *a, node *b)
     {
       struct mrb_ast_call_node *call = call_node(a);
 
-      if (call->has_block) {
+      if (call->args && CALLARGS_NODE_BLOCK(call->args)) {
         yyerror(NULL, p, "both block arg and actual block given");
         return;
       }
-      call->has_block = 1;
 
       /* Use existing args and add block */
       if (call->args) {
@@ -1986,7 +1970,7 @@ prohibit_literals(parser_state *p, node *n)
 /* xxx ----------------------------- */
 
 
-#line 1990 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 1974 "mrbgems/mruby-compiler/core/y.tab.c"
 
 # ifndef YY_CAST
 #  ifdef __cplusplus
@@ -2157,7 +2141,7 @@ extern int yydebug;
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 union YYSTYPE
 {
-#line 1933 "mrbgems/mruby-compiler/core/parse.y"
+#line 1917 "mrbgems/mruby-compiler/core/parse.y"
 
     node *nd;
     mrb_sym id;
@@ -2165,7 +2149,7 @@ union YYSTYPE
     stack_type stack;
     const struct vtable *vars;
 
-#line 2169 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 2153 "mrbgems/mruby-compiler/core/y.tab.c"
 
 };
 typedef union YYSTYPE YYSTYPE;
@@ -2924,69 +2908,69 @@ static const yytype_uint8 yytranslate[] =
 /* YYRLINE[YYN] -- Source line where rule number YYN was defined.  */
 static const yytype_int16 yyrline[] =
 {
-       0,  2104,  2104,  2104,  2114,  2120,  2124,  2128,  2132,  2138,
-    2140,  2139,  2153,  2179,  2185,  2189,  2193,  2199,  2205,  2205,
-    2209,  2213,  2217,  2221,  2230,  2239,  2243,  2248,  2249,  2253,
-    2257,  2261,  2265,  2271,  2274,  2278,  2282,  2286,  2290,  2294,
-    2299,  2303,  2312,  2321,  2330,  2339,  2346,  2347,  2351,  2354,
-    2355,  2359,  2363,  2367,  2371,  2374,  2384,  2383,  2398,  2407,
-    2408,  2411,  2412,  2419,  2418,  2433,  2437,  2442,  2446,  2451,
-    2455,  2460,  2464,  2468,  2472,  2476,  2482,  2486,  2492,  2493,
-    2499,  2503,  2507,  2511,  2515,  2519,  2523,  2527,  2531,  2535,
-    2541,  2542,  2548,  2552,  2558,  2562,  2568,  2572,  2576,  2580,
-    2584,  2588,  2594,  2600,  2607,  2611,  2615,  2619,  2623,  2627,
-    2633,  2639,  2644,  2650,  2654,  2657,  2661,  2665,  2672,  2673,
-    2674,  2675,  2680,  2687,  2688,  2691,  2695,  2695,  2701,  2702,
-    2703,  2704,  2705,  2706,  2707,  2708,  2709,  2710,  2711,  2712,
-    2713,  2714,  2715,  2716,  2717,  2718,  2719,  2720,  2721,  2722,
-    2723,  2724,  2725,  2726,  2727,  2728,  2729,  2730,  2733,  2733,
-    2733,  2734,  2734,  2735,  2735,  2735,  2736,  2736,  2736,  2736,
-    2737,  2737,  2737,  2738,  2738,  2738,  2739,  2739,  2739,  2739,
-    2740,  2740,  2740,  2740,  2741,  2741,  2741,  2741,  2742,  2742,
-    2742,  2742,  2743,  2743,  2743,  2743,  2744,  2744,  2747,  2751,
-    2755,  2759,  2763,  2767,  2771,  2776,  2781,  2786,  2790,  2794,
-    2798,  2802,  2806,  2810,  2814,  2818,  2822,  2826,  2830,  2834,
-    2838,  2842,  2846,  2850,  2854,  2858,  2862,  2866,  2870,  2874,
-    2878,  2882,  2886,  2890,  2894,  2898,  2902,  2906,  2910,  2914,
-    2918,  2922,  2926,  2930,  2934,  2943,  2952,  2961,  2970,  2976,
-    2977,  2981,  2985,  2991,  2995,  3002,  3006,  3015,  3032,  3033,
-    3036,  3037,  3038,  3042,  3046,  3052,  3057,  3061,  3065,  3069,
-    3075,  3075,  3086,  3090,  3096,  3100,  3106,  3109,  3114,  3118,
-    3122,  3127,  3131,  3137,  3142,  3146,  3152,  3153,  3157,  3161,
-    3162,  3163,  3164,  3165,  3170,  3169,  3181,  3185,  3180,  3190,
-    3190,  3194,  3198,  3202,  3206,  3210,  3214,  3218,  3222,  3226,
-    3230,  3234,  3235,  3241,  3248,  3240,  3261,  3269,  3277,  3277,
-    3277,  3284,  3284,  3284,  3291,  3297,  3302,  3304,  3301,  3313,
-    3311,  3329,  3334,  3327,  3351,  3349,  3365,  3375,  3386,  3390,
-    3394,  3398,  3404,  3411,  3412,  3413,  3416,  3417,  3420,  3421,
-    3429,  3430,  3436,  3440,  3443,  3447,  3451,  3455,  3460,  3464,
-    3468,  3472,  3478,  3477,  3487,  3491,  3495,  3499,  3505,  3510,
-    3515,  3519,  3523,  3527,  3531,  3535,  3539,  3543,  3547,  3551,
-    3555,  3559,  3563,  3567,  3571,  3577,  3582,  3589,  3589,  3593,
-    3598,  3604,  3608,  3614,  3615,  3618,  3623,  3626,  3630,  3636,
-    3640,  3647,  3646,  3663,  3668,  3672,  3677,  3684,  3688,  3692,
-    3696,  3700,  3704,  3708,  3712,  3716,  3723,  3722,  3737,  3736,
-    3752,  3760,  3769,  3772,  3779,  3782,  3786,  3787,  3790,  3794,
-    3797,  3801,  3804,  3805,  3806,  3807,  3810,  3811,  3817,  3822,
-    3827,  3832,  3838,  3839,  3845,  3851,  3850,  3862,  3866,  3872,
-    3876,  3882,  3891,  3902,  3905,  3906,  3909,  3915,  3921,  3922,
-    3925,  3932,  3931,  3946,  3950,  3958,  3962,  3974,  3981,  3988,
-    3989,  3990,  3991,  3992,  3996,  4002,  4006,  4014,  4015,  4016,
-    4020,  4026,  4030,  4034,  4038,  4042,  4048,  4052,  4058,  4062,
-    4066,  4070,  4074,  4078,  4082,  4090,  4097,  4103,  4104,  4108,
-    4112,  4111,  4128,  4129,  4132,  4138,  4142,  4148,  4149,  4153,
-    4157,  4163,  4167,  4173,  4179,  4186,  4192,  4199,  4203,  4209,
-    4213,  4219,  4220,  4223,  4227,  4233,  4237,  4241,  4245,  4251,
-    4256,  4261,  4265,  4269,  4273,  4277,  4281,  4285,  4289,  4293,
-    4297,  4301,  4305,  4309,  4313,  4318,  4324,  4329,  4334,  4339,
-    4344,  4351,  4355,  4362,  4367,  4366,  4378,  4382,  4388,  4396,
-    4404,  4412,  4416,  4422,  4426,  4432,  4433,  4436,  4441,  4448,
-    4449,  4452,  4456,  4462,  4466,  4472,  4478,  4478,  4485,  4486,
-    4492,  4496,  4502,  4508,  4513,  4517,  4522,  4527,  4543,  4548,
-    4554,  4555,  4556,  4559,  4560,  4561,  4562,  4565,  4566,  4567,
-    4570,  4571,  4574,  4578,  4584,  4585,  4591,  4592,  4595,  4596,
-    4599,  4602,  4603,  4604,  4607,  4608,  4611,  4616,  4619,  4620,
-    4624
+       0,  2088,  2088,  2088,  2098,  2104,  2108,  2112,  2116,  2122,
+    2124,  2123,  2137,  2163,  2169,  2173,  2177,  2183,  2189,  2189,
+    2193,  2197,  2201,  2205,  2214,  2223,  2227,  2232,  2233,  2237,
+    2241,  2245,  2249,  2255,  2258,  2262,  2266,  2270,  2274,  2278,
+    2283,  2287,  2296,  2305,  2314,  2323,  2330,  2331,  2335,  2338,
+    2339,  2343,  2347,  2351,  2355,  2358,  2368,  2367,  2382,  2391,
+    2392,  2395,  2396,  2403,  2402,  2417,  2421,  2426,  2430,  2435,
+    2439,  2444,  2448,  2452,  2456,  2460,  2466,  2470,  2476,  2477,
+    2483,  2487,  2491,  2495,  2499,  2503,  2507,  2511,  2515,  2519,
+    2525,  2526,  2532,  2536,  2542,  2546,  2552,  2556,  2560,  2564,
+    2568,  2572,  2578,  2584,  2591,  2595,  2599,  2603,  2607,  2611,
+    2617,  2623,  2628,  2634,  2638,  2641,  2645,  2649,  2656,  2657,
+    2658,  2659,  2664,  2671,  2672,  2675,  2679,  2679,  2685,  2686,
+    2687,  2688,  2689,  2690,  2691,  2692,  2693,  2694,  2695,  2696,
+    2697,  2698,  2699,  2700,  2701,  2702,  2703,  2704,  2705,  2706,
+    2707,  2708,  2709,  2710,  2711,  2712,  2713,  2714,  2717,  2717,
+    2717,  2718,  2718,  2719,  2719,  2719,  2720,  2720,  2720,  2720,
+    2721,  2721,  2721,  2722,  2722,  2722,  2723,  2723,  2723,  2723,
+    2724,  2724,  2724,  2724,  2725,  2725,  2725,  2725,  2726,  2726,
+    2726,  2726,  2727,  2727,  2727,  2727,  2728,  2728,  2731,  2735,
+    2739,  2743,  2747,  2751,  2755,  2760,  2765,  2770,  2774,  2778,
+    2782,  2786,  2790,  2794,  2798,  2802,  2806,  2810,  2814,  2818,
+    2822,  2826,  2830,  2834,  2838,  2842,  2846,  2850,  2854,  2858,
+    2862,  2866,  2870,  2874,  2878,  2882,  2886,  2890,  2894,  2898,
+    2902,  2906,  2910,  2914,  2918,  2927,  2936,  2945,  2954,  2960,
+    2961,  2965,  2969,  2975,  2979,  2986,  2990,  2999,  3016,  3017,
+    3020,  3021,  3022,  3026,  3030,  3036,  3041,  3045,  3049,  3053,
+    3059,  3059,  3070,  3074,  3080,  3084,  3090,  3093,  3098,  3102,
+    3106,  3111,  3115,  3121,  3126,  3130,  3136,  3137,  3141,  3145,
+    3146,  3147,  3148,  3149,  3154,  3153,  3165,  3169,  3164,  3174,
+    3174,  3178,  3182,  3186,  3190,  3194,  3198,  3202,  3206,  3210,
+    3214,  3218,  3219,  3225,  3232,  3224,  3245,  3253,  3261,  3261,
+    3261,  3268,  3268,  3268,  3275,  3281,  3286,  3288,  3285,  3297,
+    3295,  3313,  3318,  3311,  3335,  3333,  3349,  3359,  3370,  3374,
+    3378,  3382,  3388,  3395,  3396,  3397,  3400,  3401,  3404,  3405,
+    3413,  3414,  3420,  3424,  3427,  3431,  3435,  3439,  3444,  3448,
+    3452,  3456,  3462,  3461,  3471,  3475,  3479,  3483,  3489,  3494,
+    3499,  3503,  3507,  3511,  3515,  3519,  3523,  3527,  3531,  3535,
+    3539,  3543,  3547,  3551,  3555,  3561,  3566,  3573,  3573,  3577,
+    3582,  3588,  3592,  3598,  3599,  3602,  3607,  3610,  3614,  3620,
+    3624,  3631,  3630,  3647,  3652,  3656,  3661,  3668,  3672,  3676,
+    3680,  3684,  3688,  3692,  3696,  3700,  3707,  3706,  3721,  3720,
+    3736,  3744,  3753,  3756,  3763,  3766,  3770,  3771,  3774,  3778,
+    3781,  3785,  3788,  3789,  3790,  3791,  3794,  3795,  3801,  3806,
+    3811,  3816,  3822,  3823,  3829,  3835,  3834,  3846,  3850,  3856,
+    3860,  3866,  3875,  3886,  3889,  3890,  3893,  3899,  3905,  3906,
+    3909,  3916,  3915,  3930,  3934,  3942,  3946,  3958,  3965,  3972,
+    3973,  3974,  3975,  3976,  3980,  3986,  3990,  3998,  3999,  4000,
+    4004,  4010,  4014,  4018,  4022,  4026,  4032,  4036,  4042,  4046,
+    4050,  4054,  4058,  4062,  4066,  4074,  4081,  4087,  4088,  4092,
+    4096,  4095,  4112,  4113,  4116,  4122,  4126,  4132,  4133,  4137,
+    4141,  4147,  4151,  4157,  4163,  4170,  4176,  4183,  4187,  4193,
+    4197,  4203,  4204,  4207,  4211,  4217,  4221,  4225,  4229,  4235,
+    4240,  4245,  4249,  4253,  4257,  4261,  4265,  4269,  4273,  4277,
+    4281,  4285,  4289,  4293,  4297,  4302,  4308,  4313,  4318,  4323,
+    4328,  4335,  4339,  4346,  4351,  4350,  4362,  4366,  4372,  4380,
+    4388,  4396,  4400,  4406,  4410,  4416,  4417,  4420,  4425,  4432,
+    4433,  4436,  4440,  4446,  4450,  4456,  4462,  4462,  4469,  4470,
+    4476,  4480,  4486,  4492,  4497,  4501,  4506,  4511,  4527,  4532,
+    4538,  4539,  4540,  4543,  4544,  4545,  4546,  4549,  4550,  4551,
+    4554,  4555,  4558,  4562,  4568,  4569,  4575,  4576,  4579,  4580,
+    4583,  4586,  4587,  4588,  4591,  4592,  4595,  4600,  4603,  4604,
+    4608
 };
 #endif
 
@@ -6963,7 +6947,7 @@ YYLTYPE yylloc = yyloc_default;
 
 
 
-#line 6967 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 6951 "mrbgems/mruby-compiler/core/y.tab.c"
 
   yylsp[0] = yylloc;
   goto yysetstate;
@@ -7176,84 +7160,84 @@ yyreduce:
   switch (yyn)
     {
   case 2: /* $@1: %empty  */
-#line 2104 "mrbgems/mruby-compiler/core/parse.y"
+#line 2088 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lstate = EXPR_BEG;
                       if (!p->locals) p->locals = cons(0,0);
                     }
-#line 7185 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7169 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 3: /* program: $@1 top_compstmt  */
-#line 2109 "mrbgems/mruby-compiler/core/parse.y"
+#line 2093 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->tree = new_scope(p, (yyvsp[0].nd));
                     }
+#line 7177 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 4: /* top_compstmt: top_stmts opt_terms  */
+#line 2099 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[-1].nd);
+                    }
+#line 7185 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 5: /* top_stmts: none  */
+#line 2105 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_stmts(p, 0);
+                    }
 #line 7193 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 4: /* top_compstmt: top_stmts opt_terms  */
-#line 2115 "mrbgems/mruby-compiler/core/parse.y"
+  case 6: /* top_stmts: top_stmt  */
+#line 2109 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-1].nd);
+                      (yyval.nd) = new_stmts(p, (yyvsp[0].nd));
                     }
 #line 7201 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 5: /* top_stmts: none  */
-#line 2121 "mrbgems/mruby-compiler/core/parse.y"
+  case 7: /* top_stmts: top_stmts terms top_stmt  */
+#line 2113 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_stmts(p, 0);
+                      (yyval.nd) = push((yyvsp[-2].nd), newline_node((yyvsp[0].nd)));
                     }
 #line 7209 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 6: /* top_stmts: top_stmt  */
-#line 2125 "mrbgems/mruby-compiler/core/parse.y"
+  case 8: /* top_stmts: error top_stmt  */
+#line 2117 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_stmts(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_stmts(p, 0);
                     }
 #line 7217 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 7: /* top_stmts: top_stmts terms top_stmt  */
-#line 2129 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = push((yyvsp[-2].nd), newline_node((yyvsp[0].nd)));
-                    }
-#line 7225 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 8: /* top_stmts: error top_stmt  */
-#line 2133 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_stmts(p, 0);
-                    }
-#line 7233 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 10: /* @2: %empty  */
-#line 2140 "mrbgems/mruby-compiler/core/parse.y"
+#line 2124 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = local_switch(p);
                       nvars_block(p);
                     }
-#line 7242 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7226 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 11: /* top_stmt: "'BEGIN'" @2 '{' top_compstmt '}'  */
-#line 2145 "mrbgems/mruby-compiler/core/parse.y"
+#line 2129 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[-4]), p, "BEGIN not supported");
                       local_resume(p, (yyvsp[-3].nd));
                       nvars_unnest(p);
                       (yyval.nd) = 0;
                     }
-#line 7253 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7237 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 12: /* bodystmt: compstmt opt_rescue opt_else opt_ensure  */
-#line 2157 "mrbgems/mruby-compiler/core/parse.y"
+#line 2141 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if ((yyvsp[-2].nd)) {
                         (yyval.nd) = new_rescue(p, (yyvsp[-3].nd), (yyvsp[-2].nd), (yyvsp[-1].nd));
@@ -7274,91 +7258,91 @@ yyreduce:
                         }
                       }
                     }
-#line 7278 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7262 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 13: /* compstmt: stmts opt_terms  */
-#line 2180 "mrbgems/mruby-compiler/core/parse.y"
+#line 2164 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
+#line 7270 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 14: /* stmts: none  */
+#line 2170 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_stmts(p, 0);
+                    }
+#line 7278 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 15: /* stmts: stmt  */
+#line 2174 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_stmts(p, (yyvsp[0].nd));
+                    }
 #line 7286 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 14: /* stmts: none  */
-#line 2186 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_stmts(p, 0);
-                    }
-#line 7294 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 15: /* stmts: stmt  */
-#line 2190 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_stmts(p, (yyvsp[0].nd));
-                    }
-#line 7302 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 16: /* stmts: stmts terms stmt  */
-#line 2194 "mrbgems/mruby-compiler/core/parse.y"
+#line 2178 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       /* Update the cons-list inside the existing variable-sized node */
                       STMTS_NODE_STMTS((yyvsp[-2].nd)) = push(STMTS_NODE_STMTS((yyvsp[-2].nd)), newline_node((yyvsp[0].nd)));
                       (yyval.nd) = (yyvsp[-2].nd);
                     }
-#line 7312 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7296 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 17: /* stmts: error stmt  */
-#line 2200 "mrbgems/mruby-compiler/core/parse.y"
+#line 2184 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_stmts(p, (yyvsp[0].nd));
                     }
-#line 7320 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7304 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 18: /* $@3: %empty  */
-#line 2205 "mrbgems/mruby-compiler/core/parse.y"
+#line 2189 "mrbgems/mruby-compiler/core/parse.y"
                                      {p->lstate = EXPR_FNAME;}
-#line 7326 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7310 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 19: /* stmt: "'alias'" fsym $@3 fsym  */
-#line 2206 "mrbgems/mruby-compiler/core/parse.y"
+#line 2190 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_alias(p, (yyvsp[-2].id), (yyvsp[0].id));
                     }
+#line 7318 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 20: /* stmt: "'undef'" undef_list  */
+#line 2194 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_undef(p, (yyvsp[0].nd));
+                    }
+#line 7326 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 21: /* stmt: stmt "'if' modifier" expr_value  */
+#line 2198 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_if(p, cond((yyvsp[0].nd)), (yyvsp[-2].nd), 0);
+                    }
 #line 7334 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 20: /* stmt: "'undef'" undef_list  */
-#line 2210 "mrbgems/mruby-compiler/core/parse.y"
+  case 22: /* stmt: stmt "'unless' modifier" expr_value  */
+#line 2202 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_undef(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_if(p, cond((yyvsp[0].nd)), 0, (yyvsp[-2].nd));
                     }
 #line 7342 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 21: /* stmt: stmt "'if' modifier" expr_value  */
-#line 2214 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_if(p, cond((yyvsp[0].nd)), (yyvsp[-2].nd), 0);
-                    }
-#line 7350 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 22: /* stmt: stmt "'unless' modifier" expr_value  */
-#line 2218 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_if(p, cond((yyvsp[0].nd)), 0, (yyvsp[-2].nd));
-                    }
-#line 7358 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 23: /* stmt: stmt "'while' modifier" expr_value  */
-#line 2222 "mrbgems/mruby-compiler/core/parse.y"
+#line 2206 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if ((yyvsp[-2].nd) && node_type_p((yyvsp[-2].nd), NODE_BEGIN)) {
                         (yyval.nd) = new_while_mod(p, cond((yyvsp[0].nd)), (yyvsp[-2].nd));
@@ -7367,11 +7351,11 @@ yyreduce:
                         (yyval.nd) = new_while(p, cond((yyvsp[0].nd)), (yyvsp[-2].nd));
                       }
                     }
-#line 7371 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7355 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 24: /* stmt: stmt "'until' modifier" expr_value  */
-#line 2231 "mrbgems/mruby-compiler/core/parse.y"
+#line 2215 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if ((yyvsp[-2].nd) && node_type_p((yyvsp[-2].nd), NODE_BEGIN)) {
                         (yyval.nd) = new_until_mod(p, cond((yyvsp[0].nd)), (yyvsp[-2].nd));
@@ -7380,127 +7364,127 @@ yyreduce:
                         (yyval.nd) = new_until(p, cond((yyvsp[0].nd)), (yyvsp[-2].nd));
                       }
                     }
-#line 7384 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7368 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 25: /* stmt: stmt "'rescue' modifier" stmt  */
-#line 2240 "mrbgems/mruby-compiler/core/parse.y"
+#line 2224 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_mod_rescue(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
-#line 7392 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7376 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 26: /* stmt: "'END'" '{' compstmt '}'  */
-#line 2244 "mrbgems/mruby-compiler/core/parse.y"
+#line 2228 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[-3]), p, "END not supported");
                       (yyval.nd) = new_postexe(p, (yyvsp[-1].nd));
                     }
-#line 7401 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7385 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 28: /* stmt: mlhs '=' command_call  */
-#line 2250 "mrbgems/mruby-compiler/core/parse.y"
+#line 2234 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_masgn(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                    }
+#line 7393 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 29: /* stmt: lhs '=' mrhs  */
+#line 2238 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_asgn(p, (yyvsp[-2].nd), new_array(p, (yyvsp[0].nd)));
+                    }
+#line 7401 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 30: /* stmt: mlhs '=' arg  */
+#line 2242 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_masgn(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 7409 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 29: /* stmt: lhs '=' mrhs  */
-#line 2254 "mrbgems/mruby-compiler/core/parse.y"
+  case 31: /* stmt: mlhs '=' mrhs  */
+#line 2246 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_asgn(p, (yyvsp[-2].nd), new_array(p, (yyvsp[0].nd)));
+                      (yyval.nd) = new_masgn(p, (yyvsp[-2].nd), new_array(p, (yyvsp[0].nd)));
                     }
 #line 7417 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 30: /* stmt: mlhs '=' arg  */
-#line 2258 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_masgn(p, (yyvsp[-2].nd), (yyvsp[0].nd));
-                    }
-#line 7425 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 31: /* stmt: mlhs '=' mrhs  */
-#line 2262 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_masgn(p, (yyvsp[-2].nd), new_array(p, (yyvsp[0].nd)));
-                    }
-#line 7433 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 32: /* stmt: arg "=>" "local variable or method"  */
-#line 2266 "mrbgems/mruby-compiler/core/parse.y"
+#line 2250 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       node *lhs = new_lvar(p, (yyvsp[0].id));
                       assignable(p, lhs);
                       (yyval.nd) = new_asgn(p, lhs, (yyvsp[-2].nd));
                     }
-#line 7443 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7427 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 34: /* command_asgn: lhs '=' command_rhs  */
-#line 2275 "mrbgems/mruby-compiler/core/parse.y"
+#line 2259 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_asgn(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
+#line 7435 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 35: /* command_asgn: var_lhs tOP_ASGN command_rhs  */
+#line 2263 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_op_asgn(p, (yyvsp[-2].nd), (yyvsp[-1].id), (yyvsp[0].nd));
+                    }
+#line 7443 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 36: /* command_asgn: primary_value '[' opt_call_args ']' tOP_ASGN command_rhs  */
+#line 2267 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-5].nd), intern_op(aref), (yyvsp[-3].nd), '.'), (yyvsp[-1].id), (yyvsp[0].nd));
+                    }
 #line 7451 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 35: /* command_asgn: var_lhs tOP_ASGN command_rhs  */
-#line 2279 "mrbgems/mruby-compiler/core/parse.y"
+  case 37: /* command_asgn: primary_value call_op "local variable or method" tOP_ASGN command_rhs  */
+#line 2271 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_op_asgn(p, (yyvsp[-2].nd), (yyvsp[-1].id), (yyvsp[0].nd));
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
                     }
 #line 7459 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 36: /* command_asgn: primary_value '[' opt_call_args ']' tOP_ASGN command_rhs  */
-#line 2283 "mrbgems/mruby-compiler/core/parse.y"
+  case 38: /* command_asgn: primary_value call_op "constant" tOP_ASGN command_rhs  */
+#line 2275 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-5].nd), intern_op(aref), (yyvsp[-3].nd), '.'), (yyvsp[-1].id), (yyvsp[0].nd));
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
                     }
 #line 7467 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 37: /* command_asgn: primary_value call_op "local variable or method" tOP_ASGN command_rhs  */
-#line 2287 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
-                    }
-#line 7475 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 38: /* command_asgn: primary_value call_op "constant" tOP_ASGN command_rhs  */
-#line 2291 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
-                    }
-#line 7483 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 39: /* command_asgn: primary_value "::" "constant" tOP_ASGN command_call  */
-#line 2295 "mrbgems/mruby-compiler/core/parse.y"
+#line 2279 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[-4]), p, "constant re-assignment");
                       (yyval.nd) = 0;
                     }
-#line 7492 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7476 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 40: /* command_asgn: primary_value "::" "local variable or method" tOP_ASGN command_rhs  */
-#line 2300 "mrbgems/mruby-compiler/core/parse.y"
+#line 2284 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, tCOLON2), (yyvsp[-1].id), (yyvsp[0].nd));
                     }
-#line 7500 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7484 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 41: /* command_asgn: defn_head f_opt_arglist_paren '=' command  */
-#line 2304 "mrbgems/mruby-compiler/core/parse.y"
+#line 2288 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-3].nd);
                       endless_method_name(p, (yyvsp[-3].nd));
@@ -7509,11 +7493,11 @@ yyreduce:
                       nvars_unnest(p);
                       p->in_def--;
                     }
-#line 7513 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7497 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 42: /* command_asgn: defn_head f_opt_arglist_paren '=' command "'rescue' modifier" arg  */
-#line 2313 "mrbgems/mruby-compiler/core/parse.y"
+#line 2297 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-5].nd);
                       endless_method_name(p, (yyvsp[-5].nd));
@@ -7522,11 +7506,11 @@ yyreduce:
                       nvars_unnest(p);
                       p->in_def--;
                     }
-#line 7526 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7510 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 43: /* command_asgn: defs_head f_opt_arglist_paren '=' command  */
-#line 2322 "mrbgems/mruby-compiler/core/parse.y"
+#line 2306 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-3].nd);
                       void_expr_error(p, (yyvsp[0].nd));
@@ -7535,11 +7519,11 @@ yyreduce:
                       p->in_def--;
                       p->in_single--;
                     }
-#line 7539 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7523 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 44: /* command_asgn: defs_head f_opt_arglist_paren '=' command "'rescue' modifier" arg  */
-#line 2331 "mrbgems/mruby-compiler/core/parse.y"
+#line 2315 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-5].nd);
                       void_expr_error(p, (yyvsp[-2].nd));
@@ -7548,79 +7532,79 @@ yyreduce:
                       p->in_def--;
                       p->in_single--;
                     }
-#line 7552 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7536 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 45: /* command_asgn: backref tOP_ASGN command_rhs  */
-#line 2340 "mrbgems/mruby-compiler/core/parse.y"
+#line 2324 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       backref_error(p, (yyvsp[-2].nd));
                       (yyval.nd) = new_stmts(p, 0);
                     }
-#line 7561 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7545 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 47: /* command_rhs: command_call "'rescue' modifier" stmt  */
-#line 2348 "mrbgems/mruby-compiler/core/parse.y"
+#line 2332 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_mod_rescue(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
+#line 7553 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 50: /* expr: expr "'and'" expr  */
+#line 2340 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_and(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                    }
+#line 7561 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 51: /* expr: expr "'or'" expr  */
+#line 2344 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_or(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                    }
 #line 7569 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 50: /* expr: expr "'and'" expr  */
-#line 2356 "mrbgems/mruby-compiler/core/parse.y"
+  case 52: /* expr: "'not'" opt_nl expr  */
+#line 2348 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_and(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "!");
                     }
 #line 7577 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 51: /* expr: expr "'or'" expr  */
-#line 2360 "mrbgems/mruby-compiler/core/parse.y"
+  case 53: /* expr: '!' command_call  */
+#line 2352 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_or(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "!");
                     }
 #line 7585 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 52: /* expr: "'not'" opt_nl expr  */
-#line 2364 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "!");
-                    }
-#line 7593 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 53: /* expr: '!' command_call  */
-#line 2368 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "!");
-                    }
-#line 7601 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 55: /* defn_head: "'def'" fname  */
-#line 2375 "mrbgems/mruby-compiler/core/parse.y"
+#line 2359 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_def(p, (yyvsp[0].id));
                       p->cmdarg_stack = 0;
                       p->in_def++;
                       nvars_block(p);
                     }
-#line 7612 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7596 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 56: /* $@4: %empty  */
-#line 2384 "mrbgems/mruby-compiler/core/parse.y"
+#line 2368 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lstate = EXPR_FNAME;
                     }
-#line 7620 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7604 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 57: /* defs_head: "'def'" singleton dot_or_colon $@4 fname  */
-#line 2388 "mrbgems/mruby-compiler/core/parse.y"
+#line 2372 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_sdef(p, (yyvsp[-3].nd), (yyvsp[0].id));
                       p->cmdarg_stack = 0;
@@ -7629,1054 +7613,1054 @@ yyreduce:
                       nvars_block(p);
                       p->lstate = EXPR_ENDFN; /* force for args */
                     }
-#line 7633 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7617 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 58: /* expr_value: expr  */
-#line 2399 "mrbgems/mruby-compiler/core/parse.y"
+#line 2383 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (!(yyvsp[0].nd)) (yyval.nd) = new_nil(p);
                       else {
                         (yyval.nd) = (yyvsp[0].nd);
                       }
                     }
-#line 7644 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7628 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 62: /* block_command: block_call call_op2 operation2 command_args  */
-#line 2413 "mrbgems/mruby-compiler/core/parse.y"
+#line 2397 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), (yyvsp[-2].num));
                     }
-#line 7652 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7636 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 63: /* $@5: %empty  */
-#line 2419 "mrbgems/mruby-compiler/core/parse.y"
+#line 2403 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_nest(p);
                       nvars_nest(p);
                     }
-#line 7661 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7645 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 64: /* cmd_brace_block: "{" $@5 opt_block_param compstmt '}'  */
-#line 2426 "mrbgems/mruby-compiler/core/parse.y"
+#line 2410 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_block(p, (yyvsp[-2].nd), (yyvsp[-1].nd));
                       local_unnest(p);
                       nvars_unnest(p);
                     }
-#line 7671 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7655 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 65: /* command: operation command_args  */
-#line 2434 "mrbgems/mruby-compiler/core/parse.y"
+#line 2418 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_fcall(p, (yyvsp[-1].id), (yyvsp[0].nd));
                     }
-#line 7679 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7663 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 66: /* command: operation command_args cmd_brace_block  */
-#line 2438 "mrbgems/mruby-compiler/core/parse.y"
+#line 2422 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       args_with_block(p, (yyvsp[-1].nd), (yyvsp[0].nd));
                       (yyval.nd) = new_fcall(p, (yyvsp[-2].id), (yyvsp[-1].nd));
                     }
-#line 7688 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7672 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 67: /* command: primary_value call_op operation2 command_args  */
-#line 2443 "mrbgems/mruby-compiler/core/parse.y"
+#line 2427 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), (yyvsp[-2].num));
                     }
-#line 7696 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7680 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 68: /* command: primary_value call_op operation2 command_args cmd_brace_block  */
-#line 2447 "mrbgems/mruby-compiler/core/parse.y"
+#line 2431 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       args_with_block(p, (yyvsp[-1].nd), (yyvsp[0].nd));
                       (yyval.nd) = new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), (yyvsp[-1].nd), (yyvsp[-3].num));
                    }
-#line 7705 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7689 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 69: /* command: primary_value "::" operation2 command_args  */
-#line 2452 "mrbgems/mruby-compiler/core/parse.y"
+#line 2436 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), tCOLON2);
                     }
-#line 7713 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7697 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 70: /* command: primary_value "::" operation2 command_args cmd_brace_block  */
-#line 2456 "mrbgems/mruby-compiler/core/parse.y"
+#line 2440 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       args_with_block(p, (yyvsp[-1].nd), (yyvsp[0].nd));
                       (yyval.nd) = new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), (yyvsp[-1].nd), tCOLON2);
                     }
-#line 7722 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7706 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 71: /* command: "'super'" command_args  */
-#line 2461 "mrbgems/mruby-compiler/core/parse.y"
+#line 2445 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_super(p, (yyvsp[0].nd));
                     }
+#line 7714 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 72: /* command: "'yield'" command_args  */
+#line 2449 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_yield(p, (yyvsp[0].nd));
+                    }
+#line 7722 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 73: /* command: "'return'" call_args  */
+#line 2453 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_return(p, ret_args(p, (yyvsp[0].nd)));
+                    }
 #line 7730 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 72: /* command: "'yield'" command_args  */
-#line 2465 "mrbgems/mruby-compiler/core/parse.y"
+  case 74: /* command: "'break'" call_args  */
+#line 2457 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_yield(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_break(p, ret_args(p, (yyvsp[0].nd)));
                     }
 #line 7738 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 73: /* command: "'return'" call_args  */
-#line 2469 "mrbgems/mruby-compiler/core/parse.y"
+  case 75: /* command: "'next'" call_args  */
+#line 2461 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_return(p, ret_args(p, (yyvsp[0].nd)));
+                      (yyval.nd) = new_next(p, ret_args(p, (yyvsp[0].nd)));
                     }
 #line 7746 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 74: /* command: "'break'" call_args  */
-#line 2473 "mrbgems/mruby-compiler/core/parse.y"
+  case 76: /* mlhs: mlhs_basic  */
+#line 2467 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_break(p, ret_args(p, (yyvsp[0].nd)));
+                      (yyval.nd) = (yyvsp[0].nd);
                     }
 #line 7754 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 75: /* command: "'next'" call_args  */
-#line 2477 "mrbgems/mruby-compiler/core/parse.y"
+  case 77: /* mlhs: tLPAREN mlhs_inner rparen  */
+#line 2471 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_next(p, ret_args(p, (yyvsp[0].nd)));
+                      (yyval.nd) = (yyvsp[-1].nd);
                     }
 #line 7762 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 76: /* mlhs: mlhs_basic  */
-#line 2483 "mrbgems/mruby-compiler/core/parse.y"
+  case 79: /* mlhs_inner: tLPAREN mlhs_inner rparen  */
+#line 2478 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[0].nd);
+                      (yyval.nd) = (yyvsp[-1].nd);
                     }
 #line 7770 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 77: /* mlhs: tLPAREN mlhs_inner rparen  */
-#line 2487 "mrbgems/mruby-compiler/core/parse.y"
+  case 80: /* mlhs_basic: mlhs_list  */
+#line 2484 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-1].nd);
+                      (yyval.nd) = list1((yyvsp[0].nd));
                     }
 #line 7778 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 79: /* mlhs_inner: tLPAREN mlhs_inner rparen  */
-#line 2494 "mrbgems/mruby-compiler/core/parse.y"
+  case 81: /* mlhs_basic: mlhs_list mlhs_item  */
+#line 2488 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-1].nd);
+                      (yyval.nd) = list1(push((yyvsp[-1].nd),(yyvsp[0].nd)));
                     }
 #line 7786 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 80: /* mlhs_basic: mlhs_list  */
-#line 2500 "mrbgems/mruby-compiler/core/parse.y"
+  case 82: /* mlhs_basic: mlhs_list "*" mlhs_node  */
+#line 2492 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1((yyvsp[0].nd));
+                      (yyval.nd) = list2((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 7794 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 81: /* mlhs_basic: mlhs_list mlhs_item  */
-#line 2504 "mrbgems/mruby-compiler/core/parse.y"
+  case 83: /* mlhs_basic: mlhs_list "*" mlhs_node ',' mlhs_post  */
+#line 2496 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1(push((yyvsp[-1].nd),(yyvsp[0].nd)));
+                      (yyval.nd) = list3((yyvsp[-4].nd), (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 7802 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 82: /* mlhs_basic: mlhs_list "*" mlhs_node  */
-#line 2508 "mrbgems/mruby-compiler/core/parse.y"
+  case 84: /* mlhs_basic: mlhs_list "*"  */
+#line 2500 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list2((yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = list2((yyvsp[-1].nd), new_nil(p));
                     }
 #line 7810 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 83: /* mlhs_basic: mlhs_list "*" mlhs_node ',' mlhs_post  */
-#line 2512 "mrbgems/mruby-compiler/core/parse.y"
+  case 85: /* mlhs_basic: mlhs_list "*" ',' mlhs_post  */
+#line 2504 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list3((yyvsp[-4].nd), (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = list3((yyvsp[-3].nd), new_nil(p), (yyvsp[0].nd));
                     }
 #line 7818 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 84: /* mlhs_basic: mlhs_list "*"  */
-#line 2516 "mrbgems/mruby-compiler/core/parse.y"
+  case 86: /* mlhs_basic: "*" mlhs_node  */
+#line 2508 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list2((yyvsp[-1].nd), new_nil(p));
+                      (yyval.nd) = list2(0, (yyvsp[0].nd));
                     }
 #line 7826 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 85: /* mlhs_basic: mlhs_list "*" ',' mlhs_post  */
-#line 2520 "mrbgems/mruby-compiler/core/parse.y"
+  case 87: /* mlhs_basic: "*" mlhs_node ',' mlhs_post  */
+#line 2512 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list3((yyvsp[-3].nd), new_nil(p), (yyvsp[0].nd));
+                      (yyval.nd) = list3(0, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 7834 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 86: /* mlhs_basic: "*" mlhs_node  */
-#line 2524 "mrbgems/mruby-compiler/core/parse.y"
+  case 88: /* mlhs_basic: "*"  */
+#line 2516 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list2(0, (yyvsp[0].nd));
+                      (yyval.nd) = list2(0, new_nil(p));
                     }
 #line 7842 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 87: /* mlhs_basic: "*" mlhs_node ',' mlhs_post  */
-#line 2528 "mrbgems/mruby-compiler/core/parse.y"
+  case 89: /* mlhs_basic: "*" ',' mlhs_post  */
+#line 2520 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list3(0, (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = list3(0, new_nil(p), (yyvsp[0].nd));
                     }
 #line 7850 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 88: /* mlhs_basic: "*"  */
-#line 2532 "mrbgems/mruby-compiler/core/parse.y"
+  case 91: /* mlhs_item: tLPAREN mlhs_inner rparen  */
+#line 2527 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list2(0, new_nil(p));
+                      (yyval.nd) = new_masgn(p, (yyvsp[-1].nd), NULL);
                     }
 #line 7858 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 89: /* mlhs_basic: "*" ',' mlhs_post  */
-#line 2536 "mrbgems/mruby-compiler/core/parse.y"
+  case 92: /* mlhs_list: mlhs_item ','  */
+#line 2533 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list3(0, new_nil(p), (yyvsp[0].nd));
+                      (yyval.nd) = list1((yyvsp[-1].nd));
                     }
 #line 7866 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 91: /* mlhs_item: tLPAREN mlhs_inner rparen  */
-#line 2543 "mrbgems/mruby-compiler/core/parse.y"
+  case 93: /* mlhs_list: mlhs_list mlhs_item ','  */
+#line 2537 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_masgn(p, (yyvsp[-1].nd), NULL);
+                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[-1].nd));
                     }
 #line 7874 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 92: /* mlhs_list: mlhs_item ','  */
-#line 2549 "mrbgems/mruby-compiler/core/parse.y"
+  case 94: /* mlhs_post: mlhs_item  */
+#line 2543 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1((yyvsp[-1].nd));
+                      (yyval.nd) = list1((yyvsp[0].nd));
                     }
 #line 7882 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 93: /* mlhs_list: mlhs_list mlhs_item ','  */
-#line 2553 "mrbgems/mruby-compiler/core/parse.y"
+  case 95: /* mlhs_post: mlhs_list mlhs_item  */
+#line 2547 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[-1].nd));
+                      (yyval.nd) = push((yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 7890 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 94: /* mlhs_post: mlhs_item  */
-#line 2559 "mrbgems/mruby-compiler/core/parse.y"
+  case 96: /* mlhs_node: variable  */
+#line 2553 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1((yyvsp[0].nd));
+                      assignable(p, (yyvsp[0].nd));
                     }
 #line 7898 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 95: /* mlhs_post: mlhs_list mlhs_item  */
-#line 2563 "mrbgems/mruby-compiler/core/parse.y"
+  case 97: /* mlhs_node: primary_value '[' opt_call_args ']'  */
+#line 2557 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = push((yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), intern_op(aref), (yyvsp[-1].nd), '.');
                     }
 #line 7906 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 96: /* mlhs_node: variable  */
-#line 2569 "mrbgems/mruby-compiler/core/parse.y"
+  case 98: /* mlhs_node: primary_value call_op "local variable or method"  */
+#line 2561 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      assignable(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, (yyvsp[-1].num));
                     }
 #line 7914 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 97: /* mlhs_node: primary_value '[' opt_call_args ']'  */
-#line 2573 "mrbgems/mruby-compiler/core/parse.y"
+  case 99: /* mlhs_node: primary_value "::" "local variable or method"  */
+#line 2565 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), intern_op(aref), (yyvsp[-1].nd), '.');
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, tCOLON2);
                     }
 #line 7922 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 98: /* mlhs_node: primary_value call_op "local variable or method"  */
-#line 2577 "mrbgems/mruby-compiler/core/parse.y"
+  case 100: /* mlhs_node: primary_value call_op "constant"  */
+#line 2569 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, (yyvsp[-1].num));
                     }
 #line 7930 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 99: /* mlhs_node: primary_value "::" "local variable or method"  */
-#line 2581 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, tCOLON2);
-                    }
-#line 7938 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 100: /* mlhs_node: primary_value call_op "constant"  */
-#line 2585 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, (yyvsp[-1].num));
-                    }
-#line 7946 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 101: /* mlhs_node: primary_value "::" "constant"  */
-#line 2589 "mrbgems/mruby-compiler/core/parse.y"
+#line 2573 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (p->in_def || p->in_single)
                         yyerror(&(yylsp[-2]), p, "dynamic constant assignment");
                       (yyval.nd) = new_colon2(p, (yyvsp[-2].nd), (yyvsp[0].id));
                     }
-#line 7956 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7940 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 102: /* mlhs_node: tCOLON3 "constant"  */
-#line 2595 "mrbgems/mruby-compiler/core/parse.y"
+#line 2579 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (p->in_def || p->in_single)
                         yyerror(&(yylsp[-1]), p, "dynamic constant assignment");
                       (yyval.nd) = new_colon3(p, (yyvsp[0].id));
                     }
-#line 7966 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7950 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 103: /* mlhs_node: backref  */
-#line 2601 "mrbgems/mruby-compiler/core/parse.y"
+#line 2585 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       backref_error(p, (yyvsp[0].nd));
                       (yyval.nd) = 0;
                     }
-#line 7975 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 7959 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 104: /* lhs: variable  */
-#line 2608 "mrbgems/mruby-compiler/core/parse.y"
+#line 2592 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       assignable(p, (yyvsp[0].nd));
                     }
+#line 7967 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 105: /* lhs: primary_value '[' opt_call_args ']'  */
+#line 2596 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), intern_op(aref), (yyvsp[-1].nd), '.');
+                    }
+#line 7975 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 106: /* lhs: primary_value call_op "local variable or method"  */
+#line 2600 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, (yyvsp[-1].num));
+                    }
 #line 7983 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 105: /* lhs: primary_value '[' opt_call_args ']'  */
-#line 2612 "mrbgems/mruby-compiler/core/parse.y"
+  case 107: /* lhs: primary_value "::" "local variable or method"  */
+#line 2604 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), intern_op(aref), (yyvsp[-1].nd), '.');
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, tCOLON2);
                     }
 #line 7991 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 106: /* lhs: primary_value call_op "local variable or method"  */
-#line 2616 "mrbgems/mruby-compiler/core/parse.y"
+  case 108: /* lhs: primary_value call_op "constant"  */
+#line 2608 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, (yyvsp[-1].num));
                     }
 #line 7999 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 107: /* lhs: primary_value "::" "local variable or method"  */
-#line 2620 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, tCOLON2);
-                    }
-#line 8007 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 108: /* lhs: primary_value call_op "constant"  */
-#line 2624 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, (yyvsp[-1].num));
-                    }
-#line 8015 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 109: /* lhs: primary_value "::" "constant"  */
-#line 2628 "mrbgems/mruby-compiler/core/parse.y"
+#line 2612 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (p->in_def || p->in_single)
                         yyerror(&(yylsp[-2]), p, "dynamic constant assignment");
                       (yyval.nd) = new_colon2(p, (yyvsp[-2].nd), (yyvsp[0].id));
                     }
-#line 8025 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8009 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 110: /* lhs: tCOLON3 "constant"  */
-#line 2634 "mrbgems/mruby-compiler/core/parse.y"
+#line 2618 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (p->in_def || p->in_single)
                         yyerror(&(yylsp[-1]), p, "dynamic constant assignment");
                       (yyval.nd) = new_colon3(p, (yyvsp[0].id));
                     }
-#line 8035 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8019 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 111: /* lhs: backref  */
-#line 2640 "mrbgems/mruby-compiler/core/parse.y"
+#line 2624 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       backref_error(p, (yyvsp[0].nd));
                       (yyval.nd) = 0;
                     }
-#line 8044 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8028 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 112: /* lhs: "numbered parameter"  */
-#line 2645 "mrbgems/mruby-compiler/core/parse.y"
+#line 2629 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[0]), p, "can't assign to numbered parameter");
                     }
+#line 8036 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 113: /* cname: "local variable or method"  */
+#line 2635 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      yyerror(&(yylsp[0]), p, "class/module name must be CONSTANT");
+                    }
+#line 8044 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 115: /* cpath: tCOLON3 cname  */
+#line 2642 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = cons(int_to_node(1), sym_to_node((yyvsp[0].id)));
+                    }
 #line 8052 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 113: /* cname: "local variable or method"  */
-#line 2651 "mrbgems/mruby-compiler/core/parse.y"
+  case 116: /* cpath: cname  */
+#line 2646 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      yyerror(&(yylsp[0]), p, "class/module name must be CONSTANT");
+                      (yyval.nd) = cons(int_to_node(0), sym_to_node((yyvsp[0].id)));
                     }
 #line 8060 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 115: /* cpath: tCOLON3 cname  */
-#line 2658 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = cons(int_to_node(1), sym_to_node((yyvsp[0].id)));
-                    }
-#line 8068 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 116: /* cpath: cname  */
-#line 2662 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = cons(int_to_node(0), sym_to_node((yyvsp[0].id)));
-                    }
-#line 8076 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 117: /* cpath: primary_value "::" cname  */
-#line 2666 "mrbgems/mruby-compiler/core/parse.y"
+#line 2650 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[-2].nd));
                       (yyval.nd) = cons((yyvsp[-2].nd), sym_to_node((yyvsp[0].id)));
                     }
-#line 8085 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8069 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 121: /* fname: op  */
-#line 2676 "mrbgems/mruby-compiler/core/parse.y"
+#line 2660 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lstate = EXPR_ENDFN;
                       (yyval.id) = (yyvsp[0].id);
                     }
-#line 8094 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8078 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 122: /* fname: reswords  */
-#line 2681 "mrbgems/mruby-compiler/core/parse.y"
+#line 2665 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lstate = EXPR_ENDFN;
                       (yyval.id) = (yyvsp[0].id);
                     }
-#line 8103 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8087 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 125: /* undef_list: fsym  */
-#line 2692 "mrbgems/mruby-compiler/core/parse.y"
+#line 2676 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = cons(sym_to_node((yyvsp[0].id)), 0);
                     }
-#line 8111 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8095 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 126: /* $@6: %empty  */
-#line 2695 "mrbgems/mruby-compiler/core/parse.y"
+#line 2679 "mrbgems/mruby-compiler/core/parse.y"
                                  {p->lstate = EXPR_FNAME;}
-#line 8117 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8101 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 127: /* undef_list: undef_list ',' $@6 fsym  */
-#line 2696 "mrbgems/mruby-compiler/core/parse.y"
+#line 2680 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push((yyvsp[-3].nd), sym_to_node((yyvsp[0].id)));
                     }
-#line 8125 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8109 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 128: /* op: '|'  */
-#line 2701 "mrbgems/mruby-compiler/core/parse.y"
+#line 2685 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(or);     }
-#line 8131 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8115 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 129: /* op: '^'  */
-#line 2702 "mrbgems/mruby-compiler/core/parse.y"
+#line 2686 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(xor);    }
-#line 8137 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8121 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 130: /* op: '&'  */
-#line 2703 "mrbgems/mruby-compiler/core/parse.y"
+#line 2687 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(and);    }
-#line 8143 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8127 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 131: /* op: "<=>"  */
-#line 2704 "mrbgems/mruby-compiler/core/parse.y"
+#line 2688 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(cmp);    }
-#line 8149 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8133 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 132: /* op: "=="  */
-#line 2705 "mrbgems/mruby-compiler/core/parse.y"
+#line 2689 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(eq);     }
-#line 8155 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8139 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 133: /* op: "==="  */
-#line 2706 "mrbgems/mruby-compiler/core/parse.y"
+#line 2690 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(eqq);    }
-#line 8161 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8145 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 134: /* op: "=~"  */
-#line 2707 "mrbgems/mruby-compiler/core/parse.y"
+#line 2691 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(match);  }
-#line 8167 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8151 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 135: /* op: "!~"  */
-#line 2708 "mrbgems/mruby-compiler/core/parse.y"
+#line 2692 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(nmatch); }
-#line 8173 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8157 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 136: /* op: '>'  */
-#line 2709 "mrbgems/mruby-compiler/core/parse.y"
+#line 2693 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(gt);     }
-#line 8179 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8163 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 137: /* op: ">="  */
-#line 2710 "mrbgems/mruby-compiler/core/parse.y"
+#line 2694 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(ge);     }
-#line 8185 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8169 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 138: /* op: '<'  */
-#line 2711 "mrbgems/mruby-compiler/core/parse.y"
+#line 2695 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(lt);     }
-#line 8191 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8175 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 139: /* op: "<="  */
-#line 2712 "mrbgems/mruby-compiler/core/parse.y"
+#line 2696 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(le);     }
-#line 8197 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8181 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 140: /* op: "!="  */
-#line 2713 "mrbgems/mruby-compiler/core/parse.y"
+#line 2697 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(neq);    }
-#line 8203 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8187 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 141: /* op: "<<"  */
-#line 2714 "mrbgems/mruby-compiler/core/parse.y"
+#line 2698 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(lshift); }
-#line 8209 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8193 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 142: /* op: ">>"  */
-#line 2715 "mrbgems/mruby-compiler/core/parse.y"
+#line 2699 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(rshift); }
-#line 8215 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8199 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 143: /* op: '+'  */
-#line 2716 "mrbgems/mruby-compiler/core/parse.y"
+#line 2700 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(add);    }
-#line 8221 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8205 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 144: /* op: '-'  */
-#line 2717 "mrbgems/mruby-compiler/core/parse.y"
+#line 2701 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(sub);    }
-#line 8227 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8211 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 145: /* op: '*'  */
-#line 2718 "mrbgems/mruby-compiler/core/parse.y"
+#line 2702 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(mul);    }
-#line 8233 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8217 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 146: /* op: "*"  */
-#line 2719 "mrbgems/mruby-compiler/core/parse.y"
+#line 2703 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(mul);    }
-#line 8239 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8223 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 147: /* op: '/'  */
-#line 2720 "mrbgems/mruby-compiler/core/parse.y"
+#line 2704 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(div);    }
-#line 8245 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8229 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 148: /* op: '%'  */
-#line 2721 "mrbgems/mruby-compiler/core/parse.y"
+#line 2705 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(mod);    }
-#line 8251 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8235 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 149: /* op: tPOW  */
-#line 2722 "mrbgems/mruby-compiler/core/parse.y"
+#line 2706 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(pow);    }
-#line 8257 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8241 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 150: /* op: "**"  */
-#line 2723 "mrbgems/mruby-compiler/core/parse.y"
+#line 2707 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(pow);    }
-#line 8263 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8247 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 151: /* op: '!'  */
-#line 2724 "mrbgems/mruby-compiler/core/parse.y"
+#line 2708 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(not);    }
-#line 8269 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8253 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 152: /* op: '~'  */
-#line 2725 "mrbgems/mruby-compiler/core/parse.y"
+#line 2709 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(neg);    }
-#line 8275 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8259 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 153: /* op: "unary plus"  */
-#line 2726 "mrbgems/mruby-compiler/core/parse.y"
+#line 2710 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(plus);   }
-#line 8281 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8265 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 154: /* op: "unary minus"  */
-#line 2727 "mrbgems/mruby-compiler/core/parse.y"
+#line 2711 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(minus);  }
-#line 8287 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8271 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 155: /* op: tAREF  */
-#line 2728 "mrbgems/mruby-compiler/core/parse.y"
+#line 2712 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(aref);   }
-#line 8293 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8277 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 156: /* op: tASET  */
-#line 2729 "mrbgems/mruby-compiler/core/parse.y"
+#line 2713 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(aset);   }
-#line 8299 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8283 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 157: /* op: '`'  */
-#line 2730 "mrbgems/mruby-compiler/core/parse.y"
+#line 2714 "mrbgems/mruby-compiler/core/parse.y"
                                 { (yyval.id) = intern_op(tick);   }
-#line 8305 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8289 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 198: /* arg: lhs '=' arg_rhs  */
-#line 2748 "mrbgems/mruby-compiler/core/parse.y"
+#line 2732 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_asgn(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
+#line 8297 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 199: /* arg: var_lhs tOP_ASGN arg_rhs  */
+#line 2736 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_op_asgn(p, (yyvsp[-2].nd), (yyvsp[-1].id), (yyvsp[0].nd));
+                    }
+#line 8305 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 200: /* arg: primary_value '[' opt_call_args ']' tOP_ASGN arg_rhs  */
+#line 2740 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-5].nd), intern_op(aref), (yyvsp[-3].nd), '.'), (yyvsp[-1].id), (yyvsp[0].nd));
+                    }
 #line 8313 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 199: /* arg: var_lhs tOP_ASGN arg_rhs  */
-#line 2752 "mrbgems/mruby-compiler/core/parse.y"
+  case 201: /* arg: primary_value call_op "local variable or method" tOP_ASGN arg_rhs  */
+#line 2744 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_op_asgn(p, (yyvsp[-2].nd), (yyvsp[-1].id), (yyvsp[0].nd));
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
                     }
 #line 8321 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 200: /* arg: primary_value '[' opt_call_args ']' tOP_ASGN arg_rhs  */
-#line 2756 "mrbgems/mruby-compiler/core/parse.y"
+  case 202: /* arg: primary_value call_op "constant" tOP_ASGN arg_rhs  */
+#line 2748 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-5].nd), intern_op(aref), (yyvsp[-3].nd), '.'), (yyvsp[-1].id), (yyvsp[0].nd));
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
                     }
 #line 8329 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 201: /* arg: primary_value call_op "local variable or method" tOP_ASGN arg_rhs  */
-#line 2760 "mrbgems/mruby-compiler/core/parse.y"
+  case 203: /* arg: primary_value "::" "local variable or method" tOP_ASGN arg_rhs  */
+#line 2752 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
+                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, tCOLON2), (yyvsp[-1].id), (yyvsp[0].nd));
                     }
 #line 8337 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 202: /* arg: primary_value call_op "constant" tOP_ASGN arg_rhs  */
-#line 2764 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, (yyvsp[-3].num)), (yyvsp[-1].id), (yyvsp[0].nd));
-                    }
-#line 8345 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 203: /* arg: primary_value "::" "local variable or method" tOP_ASGN arg_rhs  */
-#line 2768 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_op_asgn(p, new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), 0, tCOLON2), (yyvsp[-1].id), (yyvsp[0].nd));
-                    }
-#line 8353 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 204: /* arg: primary_value "::" "constant" tOP_ASGN arg_rhs  */
-#line 2772 "mrbgems/mruby-compiler/core/parse.y"
+#line 2756 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[-4]), p, "constant re-assignment");
                       (yyval.nd) = new_stmts(p, 0);
                     }
-#line 8362 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8346 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 205: /* arg: tCOLON3 "constant" tOP_ASGN arg_rhs  */
-#line 2777 "mrbgems/mruby-compiler/core/parse.y"
+#line 2761 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[-3]), p, "constant re-assignment");
                       (yyval.nd) = new_stmts(p, 0);
                     }
-#line 8371 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8355 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 206: /* arg: backref tOP_ASGN arg_rhs  */
-#line 2782 "mrbgems/mruby-compiler/core/parse.y"
+#line 2766 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       backref_error(p, (yyvsp[-2].nd));
                       (yyval.nd) = new_stmts(p, 0);
                     }
-#line 8380 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8364 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 207: /* arg: arg ".." arg  */
-#line 2787 "mrbgems/mruby-compiler/core/parse.y"
+#line 2771 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_dot2(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
+#line 8372 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 208: /* arg: arg ".."  */
+#line 2775 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_dot2(p, (yyvsp[-1].nd), new_nil(p));
+                    }
+#line 8380 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 209: /* arg: tBDOT2 arg  */
+#line 2779 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_dot2(p, new_nil(p), (yyvsp[0].nd));
+                    }
 #line 8388 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 208: /* arg: arg ".."  */
-#line 2791 "mrbgems/mruby-compiler/core/parse.y"
+  case 210: /* arg: arg "..." arg  */
+#line 2783 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_dot2(p, (yyvsp[-1].nd), new_nil(p));
+                      (yyval.nd) = new_dot3(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 8396 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 209: /* arg: tBDOT2 arg  */
-#line 2795 "mrbgems/mruby-compiler/core/parse.y"
+  case 211: /* arg: arg "..."  */
+#line 2787 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_dot2(p, new_nil(p), (yyvsp[0].nd));
+                      (yyval.nd) = new_dot3(p, (yyvsp[-1].nd), new_nil(p));
                     }
 #line 8404 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 210: /* arg: arg "..." arg  */
-#line 2799 "mrbgems/mruby-compiler/core/parse.y"
+  case 212: /* arg: tBDOT3 arg  */
+#line 2791 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_dot3(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_dot3(p, new_nil(p), (yyvsp[0].nd));
                     }
 #line 8412 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 211: /* arg: arg "..."  */
-#line 2803 "mrbgems/mruby-compiler/core/parse.y"
+  case 213: /* arg: arg '+' arg  */
+#line 2795 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_dot3(p, (yyvsp[-1].nd), new_nil(p));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "+", (yyvsp[0].nd));
                     }
 #line 8420 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 212: /* arg: tBDOT3 arg  */
-#line 2807 "mrbgems/mruby-compiler/core/parse.y"
+  case 214: /* arg: arg '-' arg  */
+#line 2799 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_dot3(p, new_nil(p), (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "-", (yyvsp[0].nd));
                     }
 #line 8428 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 213: /* arg: arg '+' arg  */
-#line 2811 "mrbgems/mruby-compiler/core/parse.y"
+  case 215: /* arg: arg '*' arg  */
+#line 2803 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "+", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "*", (yyvsp[0].nd));
                     }
 #line 8436 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 214: /* arg: arg '-' arg  */
-#line 2815 "mrbgems/mruby-compiler/core/parse.y"
+  case 216: /* arg: arg '/' arg  */
+#line 2807 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "-", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "/", (yyvsp[0].nd));
                     }
 #line 8444 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 215: /* arg: arg '*' arg  */
-#line 2819 "mrbgems/mruby-compiler/core/parse.y"
+  case 217: /* arg: arg '%' arg  */
+#line 2811 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "*", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "%", (yyvsp[0].nd));
                     }
 #line 8452 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 216: /* arg: arg '/' arg  */
-#line 2823 "mrbgems/mruby-compiler/core/parse.y"
+  case 218: /* arg: arg tPOW arg  */
+#line 2815 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "/", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "**", (yyvsp[0].nd));
                     }
 #line 8460 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 217: /* arg: arg '%' arg  */
-#line 2827 "mrbgems/mruby-compiler/core/parse.y"
+  case 219: /* arg: tUMINUS_NUM "integer literal" tPOW arg  */
+#line 2819 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "%", (yyvsp[0].nd));
+                      (yyval.nd) = new_negate(p, call_bin_op(p, (yyvsp[-2].nd), "**", (yyvsp[0].nd)));
                     }
 #line 8468 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 218: /* arg: arg tPOW arg  */
-#line 2831 "mrbgems/mruby-compiler/core/parse.y"
+  case 220: /* arg: tUMINUS_NUM "float literal" tPOW arg  */
+#line 2823 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "**", (yyvsp[0].nd));
+                      (yyval.nd) = new_negate(p, call_bin_op(p, (yyvsp[-2].nd), "**", (yyvsp[0].nd)));
                     }
 #line 8476 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 219: /* arg: tUMINUS_NUM "integer literal" tPOW arg  */
-#line 2835 "mrbgems/mruby-compiler/core/parse.y"
+  case 221: /* arg: "unary plus" arg  */
+#line 2827 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_negate(p, call_bin_op(p, (yyvsp[-2].nd), "**", (yyvsp[0].nd)));
+                      (yyval.nd) = call_uni_op(p, (yyvsp[0].nd), "+@");
                     }
 #line 8484 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 220: /* arg: tUMINUS_NUM "float literal" tPOW arg  */
-#line 2839 "mrbgems/mruby-compiler/core/parse.y"
+  case 222: /* arg: "unary minus" arg  */
+#line 2831 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_negate(p, call_bin_op(p, (yyvsp[-2].nd), "**", (yyvsp[0].nd)));
+                      (yyval.nd) = new_negate(p, (yyvsp[0].nd));
                     }
 #line 8492 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 221: /* arg: "unary plus" arg  */
-#line 2843 "mrbgems/mruby-compiler/core/parse.y"
+  case 223: /* arg: arg '|' arg  */
+#line 2835 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_uni_op(p, (yyvsp[0].nd), "+@");
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "|", (yyvsp[0].nd));
                     }
 #line 8500 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 222: /* arg: "unary minus" arg  */
-#line 2847 "mrbgems/mruby-compiler/core/parse.y"
+  case 224: /* arg: arg '^' arg  */
+#line 2839 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_negate(p, (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "^", (yyvsp[0].nd));
                     }
 #line 8508 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 223: /* arg: arg '|' arg  */
-#line 2851 "mrbgems/mruby-compiler/core/parse.y"
+  case 225: /* arg: arg '&' arg  */
+#line 2843 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "|", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "&", (yyvsp[0].nd));
                     }
 #line 8516 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 224: /* arg: arg '^' arg  */
-#line 2855 "mrbgems/mruby-compiler/core/parse.y"
+  case 226: /* arg: arg "<=>" arg  */
+#line 2847 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "^", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<=>", (yyvsp[0].nd));
                     }
 #line 8524 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 225: /* arg: arg '&' arg  */
-#line 2859 "mrbgems/mruby-compiler/core/parse.y"
+  case 227: /* arg: arg '>' arg  */
+#line 2851 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "&", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), ">", (yyvsp[0].nd));
                     }
 #line 8532 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 226: /* arg: arg "<=>" arg  */
-#line 2863 "mrbgems/mruby-compiler/core/parse.y"
+  case 228: /* arg: arg ">=" arg  */
+#line 2855 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<=>", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), ">=", (yyvsp[0].nd));
                     }
 #line 8540 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 227: /* arg: arg '>' arg  */
-#line 2867 "mrbgems/mruby-compiler/core/parse.y"
+  case 229: /* arg: arg '<' arg  */
+#line 2859 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), ">", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<", (yyvsp[0].nd));
                     }
 #line 8548 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 228: /* arg: arg ">=" arg  */
-#line 2871 "mrbgems/mruby-compiler/core/parse.y"
+  case 230: /* arg: arg "<=" arg  */
+#line 2863 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), ">=", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<=", (yyvsp[0].nd));
                     }
 #line 8556 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 229: /* arg: arg '<' arg  */
-#line 2875 "mrbgems/mruby-compiler/core/parse.y"
+  case 231: /* arg: arg "==" arg  */
+#line 2867 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "==", (yyvsp[0].nd));
                     }
 #line 8564 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 230: /* arg: arg "<=" arg  */
-#line 2879 "mrbgems/mruby-compiler/core/parse.y"
+  case 232: /* arg: arg "===" arg  */
+#line 2871 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<=", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "===", (yyvsp[0].nd));
                     }
 #line 8572 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 231: /* arg: arg "==" arg  */
-#line 2883 "mrbgems/mruby-compiler/core/parse.y"
+  case 233: /* arg: arg "!=" arg  */
+#line 2875 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "==", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "!=", (yyvsp[0].nd));
                     }
 #line 8580 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 232: /* arg: arg "===" arg  */
-#line 2887 "mrbgems/mruby-compiler/core/parse.y"
+  case 234: /* arg: arg "=~" arg  */
+#line 2879 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "===", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "=~", (yyvsp[0].nd));
                     }
 #line 8588 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 233: /* arg: arg "!=" arg  */
-#line 2891 "mrbgems/mruby-compiler/core/parse.y"
+  case 235: /* arg: arg "!~" arg  */
+#line 2883 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "!=", (yyvsp[0].nd));
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "!~", (yyvsp[0].nd));
                     }
 #line 8596 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 234: /* arg: arg "=~" arg  */
-#line 2895 "mrbgems/mruby-compiler/core/parse.y"
+  case 236: /* arg: '!' arg  */
+#line 2887 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "=~", (yyvsp[0].nd));
+                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "!");
                     }
 #line 8604 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 235: /* arg: arg "!~" arg  */
-#line 2899 "mrbgems/mruby-compiler/core/parse.y"
+  case 237: /* arg: '~' arg  */
+#line 2891 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "!~", (yyvsp[0].nd));
+                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "~");
                     }
 #line 8612 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 236: /* arg: '!' arg  */
-#line 2903 "mrbgems/mruby-compiler/core/parse.y"
+  case 238: /* arg: arg "<<" arg  */
+#line 2895 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "!");
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<<", (yyvsp[0].nd));
                     }
 #line 8620 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 237: /* arg: '~' arg  */
-#line 2907 "mrbgems/mruby-compiler/core/parse.y"
+  case 239: /* arg: arg ">>" arg  */
+#line 2899 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_uni_op(p, cond((yyvsp[0].nd)), "~");
+                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), ">>", (yyvsp[0].nd));
                     }
 #line 8628 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 238: /* arg: arg "<<" arg  */
-#line 2911 "mrbgems/mruby-compiler/core/parse.y"
+  case 240: /* arg: arg "&&" arg  */
+#line 2903 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), "<<", (yyvsp[0].nd));
+                      (yyval.nd) = new_and(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 8636 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 239: /* arg: arg ">>" arg  */
-#line 2915 "mrbgems/mruby-compiler/core/parse.y"
+  case 241: /* arg: arg "||" arg  */
+#line 2907 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_bin_op(p, (yyvsp[-2].nd), ">>", (yyvsp[0].nd));
+                      (yyval.nd) = new_or(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 8644 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 240: /* arg: arg "&&" arg  */
-#line 2919 "mrbgems/mruby-compiler/core/parse.y"
+  case 242: /* arg: arg '?' arg opt_nl ':' arg  */
+#line 2911 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_and(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_if(p, cond((yyvsp[-5].nd)), (yyvsp[-3].nd), (yyvsp[0].nd));
                     }
 #line 8652 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 241: /* arg: arg "||" arg  */
-#line 2923 "mrbgems/mruby-compiler/core/parse.y"
+  case 243: /* arg: arg '?' arg opt_nl "label" arg  */
+#line 2915 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_or(p, (yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_if(p, cond((yyvsp[-5].nd)), (yyvsp[-3].nd), (yyvsp[0].nd));
                     }
 #line 8660 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 242: /* arg: arg '?' arg opt_nl ':' arg  */
-#line 2927 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_if(p, cond((yyvsp[-5].nd)), (yyvsp[-3].nd), (yyvsp[0].nd));
-                    }
-#line 8668 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 243: /* arg: arg '?' arg opt_nl "label" arg  */
-#line 2931 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_if(p, cond((yyvsp[-5].nd)), (yyvsp[-3].nd), (yyvsp[0].nd));
-                    }
-#line 8676 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 244: /* arg: defn_head f_opt_arglist_paren '=' arg  */
-#line 2935 "mrbgems/mruby-compiler/core/parse.y"
+#line 2919 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-3].nd);
                       endless_method_name(p, (yyvsp[-3].nd));
@@ -8685,11 +8669,11 @@ yyreduce:
                       nvars_unnest(p);
                       p->in_def--;
                     }
-#line 8689 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8673 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 245: /* arg: defn_head f_opt_arglist_paren '=' arg "'rescue' modifier" arg  */
-#line 2944 "mrbgems/mruby-compiler/core/parse.y"
+#line 2928 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-5].nd);
                       endless_method_name(p, (yyvsp[-5].nd));
@@ -8698,11 +8682,11 @@ yyreduce:
                       nvars_unnest(p);
                       p->in_def--;
                     }
-#line 8702 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8686 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 246: /* arg: defs_head f_opt_arglist_paren '=' arg  */
-#line 2953 "mrbgems/mruby-compiler/core/parse.y"
+#line 2937 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-3].nd);
                       void_expr_error(p, (yyvsp[0].nd));
@@ -8711,11 +8695,11 @@ yyreduce:
                       p->in_def--;
                       p->in_single--;
                     }
-#line 8715 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8699 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 247: /* arg: defs_head f_opt_arglist_paren '=' arg "'rescue' modifier" arg  */
-#line 2962 "mrbgems/mruby-compiler/core/parse.y"
+#line 2946 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-5].nd);
                       void_expr_error(p, (yyvsp[-2].nd));
@@ -8724,68 +8708,68 @@ yyreduce:
                       p->in_def--;
                       p->in_single--;
                     }
-#line 8728 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8712 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 248: /* arg: primary  */
-#line 2971 "mrbgems/mruby-compiler/core/parse.y"
+#line 2955 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[0].nd);
                     }
+#line 8720 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 250: /* aref_args: args trailer  */
+#line 2962 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[-1].nd);
+                    }
+#line 8728 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 251: /* aref_args: args comma assocs trailer  */
+#line 2966 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = push((yyvsp[-3].nd), new_hash(p, (yyvsp[-1].nd)));
+                    }
 #line 8736 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 250: /* aref_args: args trailer  */
-#line 2978 "mrbgems/mruby-compiler/core/parse.y"
+  case 252: /* aref_args: assocs trailer  */
+#line 2970 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-1].nd);
+                      (yyval.nd) = cons(new_hash(p, (yyvsp[-1].nd)), 0);
                     }
 #line 8744 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 251: /* aref_args: args comma assocs trailer  */
-#line 2982 "mrbgems/mruby-compiler/core/parse.y"
+  case 253: /* arg_rhs: arg  */
+#line 2976 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = push((yyvsp[-3].nd), new_hash(p, (yyvsp[-1].nd)));
+                      (yyval.nd) = (yyvsp[0].nd);
                     }
 #line 8752 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 252: /* aref_args: assocs trailer  */
-#line 2986 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = cons(new_hash(p, (yyvsp[-1].nd)), 0);
-                    }
-#line 8760 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 253: /* arg_rhs: arg  */
-#line 2992 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = (yyvsp[0].nd);
-                    }
-#line 8768 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 254: /* arg_rhs: arg "'rescue' modifier" arg  */
-#line 2996 "mrbgems/mruby-compiler/core/parse.y"
+#line 2980 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[-2].nd));
                       (yyval.nd) = new_mod_rescue(p, (yyvsp[-2].nd), (yyvsp[0].nd));
                     }
-#line 8777 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8761 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 255: /* paren_args: '(' opt_call_args ')'  */
-#line 3003 "mrbgems/mruby-compiler/core/parse.y"
+#line 2987 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
-#line 8785 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8769 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 256: /* paren_args: '(' args comma tBDOT3 rparen  */
-#line 3007 "mrbgems/mruby-compiler/core/parse.y"
+#line 2991 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       mrb_sym r = intern_op(mul);
                       mrb_sym k = intern_op(pow);
@@ -8794,11 +8778,11 @@ yyreduce:
                                         list1(cons(new_kw_rest_args(p, 0), new_lvar(p, k))),
                                         new_block_arg(p, new_lvar(p, b)));
                     }
-#line 8798 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8782 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 257: /* paren_args: '(' tBDOT3 rparen  */
-#line 3016 "mrbgems/mruby-compiler/core/parse.y"
+#line 3000 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       mrb_sym r = intern_op(mul);
                       mrb_sym k = intern_op(pow);
@@ -8813,390 +8797,390 @@ yyreduce:
                         (yyval.nd) = 0;
                       }
                     }
-#line 8817 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8801 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 262: /* opt_call_args: args comma  */
-#line 3039 "mrbgems/mruby-compiler/core/parse.y"
+#line 3023 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_callargs(p,(yyvsp[-1].nd),0,0);
                     }
+#line 8809 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 263: /* opt_call_args: args comma assocs comma  */
+#line 3027 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_callargs(p,(yyvsp[-3].nd),(yyvsp[-1].nd),0);
+                    }
+#line 8817 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 264: /* opt_call_args: assocs comma  */
+#line 3031 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_callargs(p,0,(yyvsp[-1].nd),0);
+                    }
 #line 8825 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 263: /* opt_call_args: args comma assocs comma  */
-#line 3043 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_callargs(p,(yyvsp[-3].nd),(yyvsp[-1].nd),0);
-                    }
-#line 8833 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 264: /* opt_call_args: assocs comma  */
-#line 3047 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_callargs(p,0,(yyvsp[-1].nd),0);
-                    }
-#line 8841 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 265: /* call_args: command  */
-#line 3053 "mrbgems/mruby-compiler/core/parse.y"
+#line 3037 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = new_callargs(p, list1((yyvsp[0].nd)), 0, 0);
                     }
-#line 8850 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8834 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 266: /* call_args: args opt_block_arg  */
-#line 3058 "mrbgems/mruby-compiler/core/parse.y"
+#line 3042 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_callargs(p, (yyvsp[-1].nd), 0, (yyvsp[0].nd));
                     }
+#line 8842 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 267: /* call_args: assocs opt_block_arg  */
+#line 3046 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_callargs(p, 0, (yyvsp[-1].nd), (yyvsp[0].nd));
+                    }
+#line 8850 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 268: /* call_args: args comma assocs opt_block_arg  */
+#line 3050 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_callargs(p, (yyvsp[-3].nd), (yyvsp[-1].nd), (yyvsp[0].nd));
+                    }
 #line 8858 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 267: /* call_args: assocs opt_block_arg  */
-#line 3062 "mrbgems/mruby-compiler/core/parse.y"
+  case 269: /* call_args: block_arg  */
+#line 3054 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_callargs(p, 0, (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_callargs(p, 0, 0, (yyvsp[0].nd));
                     }
 #line 8866 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 268: /* call_args: args comma assocs opt_block_arg  */
-#line 3066 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_callargs(p, (yyvsp[-3].nd), (yyvsp[-1].nd), (yyvsp[0].nd));
-                    }
-#line 8874 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 269: /* call_args: block_arg  */
-#line 3070 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_callargs(p, 0, 0, (yyvsp[0].nd));
-                    }
-#line 8882 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 270: /* @7: %empty  */
-#line 3075 "mrbgems/mruby-compiler/core/parse.y"
+#line 3059 "mrbgems/mruby-compiler/core/parse.y"
                    {
                       (yyval.stack) = p->cmdarg_stack;
                       CMDARG_PUSH(1);
                     }
-#line 8891 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8875 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 271: /* command_args: @7 call_args  */
-#line 3080 "mrbgems/mruby-compiler/core/parse.y"
+#line 3064 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->cmdarg_stack = (yyvsp[-1].stack);
                       (yyval.nd) = (yyvsp[0].nd);
                     }
-#line 8900 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8884 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 272: /* block_arg: "&" arg  */
-#line 3087 "mrbgems/mruby-compiler/core/parse.y"
+#line 3071 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_block_arg(p, (yyvsp[0].nd));
                     }
+#line 8892 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 273: /* block_arg: "&"  */
+#line 3075 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_block_arg(p, 0);
+                    }
+#line 8900 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 274: /* opt_block_arg: comma block_arg  */
+#line 3081 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[0].nd);
+                    }
 #line 8908 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 273: /* block_arg: "&"  */
-#line 3091 "mrbgems/mruby-compiler/core/parse.y"
+  case 275: /* opt_block_arg: none  */
+#line 3085 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_block_arg(p, 0);
+                      (yyval.nd) = 0;
                     }
 #line 8916 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 274: /* opt_block_arg: comma block_arg  */
-#line 3097 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = (yyvsp[0].nd);
-                    }
-#line 8924 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 275: /* opt_block_arg: none  */
-#line 3101 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = 0;
-                    }
-#line 8932 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 277: /* args: arg  */
-#line 3110 "mrbgems/mruby-compiler/core/parse.y"
+#line 3094 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
-#line 8941 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8925 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 278: /* args: "*"  */
-#line 3115 "mrbgems/mruby-compiler/core/parse.y"
+#line 3099 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1(new_splat(p, new_lvar(p, intern_op(mul))));
                     }
-#line 8949 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8933 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 279: /* args: "*" arg  */
-#line 3119 "mrbgems/mruby-compiler/core/parse.y"
+#line 3103 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1(new_splat(p, (yyvsp[0].nd)));
                     }
-#line 8957 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8941 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 280: /* args: args comma arg  */
-#line 3123 "mrbgems/mruby-compiler/core/parse.y"
+#line 3107 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
+#line 8950 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 281: /* args: args comma "*"  */
+#line 3112 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = push((yyvsp[-2].nd), new_splat(p, new_lvar(p, intern_op(mul))));
+                    }
+#line 8958 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 282: /* args: args comma "*" arg  */
+#line 3116 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = push((yyvsp[-3].nd), new_splat(p, (yyvsp[0].nd)));
+                    }
 #line 8966 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 281: /* args: args comma "*"  */
-#line 3128 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = push((yyvsp[-2].nd), new_splat(p, new_lvar(p, intern_op(mul))));
-                    }
-#line 8974 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 282: /* args: args comma "*" arg  */
-#line 3132 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = push((yyvsp[-3].nd), new_splat(p, (yyvsp[0].nd)));
-                    }
-#line 8982 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 283: /* mrhs: args comma arg  */
-#line 3138 "mrbgems/mruby-compiler/core/parse.y"
+#line 3122 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
-#line 8991 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 8975 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 284: /* mrhs: args comma "*" arg  */
-#line 3143 "mrbgems/mruby-compiler/core/parse.y"
+#line 3127 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push((yyvsp[-3].nd), new_splat(p, (yyvsp[0].nd)));
                     }
+#line 8983 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 285: /* mrhs: "*" arg  */
+#line 3131 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list1(new_splat(p, (yyvsp[0].nd)));
+                    }
+#line 8991 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 287: /* primary: string  */
+#line 3138 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_str(p, (yyvsp[0].nd));
+                    }
 #line 8999 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 285: /* mrhs: "*" arg  */
-#line 3147 "mrbgems/mruby-compiler/core/parse.y"
+  case 288: /* primary: xstring  */
+#line 3142 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1(new_splat(p, (yyvsp[0].nd)));
+                      (yyval.nd) = new_xstr(p, (yyvsp[0].nd));
                     }
 #line 9007 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 287: /* primary: string  */
-#line 3154 "mrbgems/mruby-compiler/core/parse.y"
+  case 293: /* primary: "method"  */
+#line 3150 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_str(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_fcall(p, (yyvsp[0].id), 0);
                     }
 #line 9015 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 288: /* primary: xstring  */
-#line 3158 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_xstr(p, (yyvsp[0].nd));
-                    }
-#line 9023 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 293: /* primary: "method"  */
-#line 3166 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_fcall(p, (yyvsp[0].id), 0);
-                    }
-#line 9031 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 294: /* @8: %empty  */
-#line 3170 "mrbgems/mruby-compiler/core/parse.y"
+#line 3154 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.stack) = p->cmdarg_stack;
                       p->cmdarg_stack = 0;
                     }
-#line 9040 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9024 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 295: /* primary: "'begin'" @8 bodystmt "'end'"  */
-#line 3176 "mrbgems/mruby-compiler/core/parse.y"
+#line 3160 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->cmdarg_stack = (yyvsp[-2].stack);
                       (yyval.nd) = new_begin(p, (yyvsp[-1].nd));
                     }
-#line 9049 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9033 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 296: /* @9: %empty  */
-#line 3181 "mrbgems/mruby-compiler/core/parse.y"
+#line 3165 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.stack) = p->cmdarg_stack;
                       p->cmdarg_stack = 0;
                     }
-#line 9058 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9042 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 297: /* $@10: %empty  */
-#line 3185 "mrbgems/mruby-compiler/core/parse.y"
+#line 3169 "mrbgems/mruby-compiler/core/parse.y"
                        {p->lstate = EXPR_ENDARG;}
-#line 9064 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9048 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 298: /* primary: "(" @9 stmt $@10 rparen  */
-#line 3186 "mrbgems/mruby-compiler/core/parse.y"
+#line 3170 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->cmdarg_stack = (yyvsp[-3].stack);
                       (yyval.nd) = (yyvsp[-2].nd);
                     }
-#line 9073 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9057 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 299: /* $@11: %empty  */
-#line 3190 "mrbgems/mruby-compiler/core/parse.y"
+#line 3174 "mrbgems/mruby-compiler/core/parse.y"
                               {p->lstate = EXPR_ENDARG;}
-#line 9079 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9063 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 300: /* primary: "(" $@11 rparen  */
-#line 3191 "mrbgems/mruby-compiler/core/parse.y"
+#line 3175 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_nil(p);
                     }
+#line 9071 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 301: /* primary: tLPAREN compstmt ')'  */
+#line 3179 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[-1].nd);
+                    }
+#line 9079 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 302: /* primary: primary_value "::" "constant"  */
+#line 3183 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_colon2(p, (yyvsp[-2].nd), (yyvsp[0].id));
+                    }
 #line 9087 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 301: /* primary: tLPAREN compstmt ')'  */
-#line 3195 "mrbgems/mruby-compiler/core/parse.y"
+  case 303: /* primary: tCOLON3 "constant"  */
+#line 3187 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-1].nd);
+                      (yyval.nd) = new_colon3(p, (yyvsp[0].id));
                     }
 #line 9095 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 302: /* primary: primary_value "::" "constant"  */
-#line 3199 "mrbgems/mruby-compiler/core/parse.y"
+  case 304: /* primary: "[" aref_args ']'  */
+#line 3191 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_colon2(p, (yyvsp[-2].nd), (yyvsp[0].id));
+                      (yyval.nd) = new_array(p, (yyvsp[-1].nd));
                     }
 #line 9103 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 303: /* primary: tCOLON3 "constant"  */
-#line 3203 "mrbgems/mruby-compiler/core/parse.y"
+  case 305: /* primary: tLBRACE assoc_list '}'  */
+#line 3195 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_colon3(p, (yyvsp[0].id));
+                      (yyval.nd) = new_hash(p, (yyvsp[-1].nd));
                     }
 #line 9111 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 304: /* primary: "[" aref_args ']'  */
-#line 3207 "mrbgems/mruby-compiler/core/parse.y"
+  case 306: /* primary: "'return'"  */
+#line 3199 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_array(p, (yyvsp[-1].nd));
+                      (yyval.nd) = new_return(p, 0);
                     }
 #line 9119 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 305: /* primary: tLBRACE assoc_list '}'  */
-#line 3211 "mrbgems/mruby-compiler/core/parse.y"
+  case 307: /* primary: "'yield'" opt_paren_args  */
+#line 3203 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_hash(p, (yyvsp[-1].nd));
+                      (yyval.nd) = new_yield(p, (yyvsp[0].nd));
                     }
 #line 9127 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 306: /* primary: "'return'"  */
-#line 3215 "mrbgems/mruby-compiler/core/parse.y"
+  case 308: /* primary: "'not'" '(' expr rparen  */
+#line 3207 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_return(p, 0);
+                      (yyval.nd) = call_uni_op(p, cond((yyvsp[-1].nd)), "!");
                     }
 #line 9135 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 307: /* primary: "'yield'" opt_paren_args  */
-#line 3219 "mrbgems/mruby-compiler/core/parse.y"
+  case 309: /* primary: "'not'" '(' rparen  */
+#line 3211 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_yield(p, (yyvsp[0].nd));
+                      (yyval.nd) = call_uni_op(p, new_nil(p), "!");
                     }
 #line 9143 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 308: /* primary: "'not'" '(' expr rparen  */
-#line 3223 "mrbgems/mruby-compiler/core/parse.y"
+  case 310: /* primary: operation brace_block  */
+#line 3215 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = call_uni_op(p, cond((yyvsp[-1].nd)), "!");
+                      (yyval.nd) = new_fcall(p, (yyvsp[-1].id), new_callargs(p, 0, 0, (yyvsp[0].nd)));
                     }
 #line 9151 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 309: /* primary: "'not'" '(' rparen  */
-#line 3227 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = call_uni_op(p, new_nil(p), "!");
-                    }
-#line 9159 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 310: /* primary: operation brace_block  */
-#line 3231 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_fcall(p, (yyvsp[-1].id), new_callargs(p, 0, 0, (yyvsp[0].nd)));
-                    }
-#line 9167 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 312: /* primary: method_call brace_block  */
-#line 3236 "mrbgems/mruby-compiler/core/parse.y"
+#line 3220 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       call_with_block(p, (yyvsp[-1].nd), (yyvsp[0].nd));
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
-#line 9176 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9160 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 313: /* @12: %empty  */
-#line 3241 "mrbgems/mruby-compiler/core/parse.y"
+#line 3225 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_nest(p);
                       nvars_nest(p);
                       (yyval.num) = p->lpar_beg;
                       p->lpar_beg = ++p->paren_nest;
                     }
-#line 9187 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9171 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 314: /* @13: %empty  */
-#line 3248 "mrbgems/mruby-compiler/core/parse.y"
+#line 3232 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.stack) = p->cmdarg_stack;
                       p->cmdarg_stack = 0;
                     }
-#line 9196 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9180 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 315: /* primary: "->" @12 f_larglist @13 lambda_body  */
-#line 3253 "mrbgems/mruby-compiler/core/parse.y"
+#line 3237 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lpar_beg = (yyvsp[-3].num);
                       (yyval.nd) = new_lambda(p, (yyvsp[-2].nd), (yyvsp[0].nd));
@@ -9205,149 +9189,149 @@ yyreduce:
                       p->cmdarg_stack = (yyvsp[-1].stack);
                       CMDARG_LEXPOP();
                     }
-#line 9209 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9193 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 316: /* primary: "'if'" expr_value then compstmt if_tail "'end'"  */
-#line 3265 "mrbgems/mruby-compiler/core/parse.y"
+#line 3249 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_if(p, cond((yyvsp[-4].nd)), (yyvsp[-2].nd), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-5].num));
                     }
-#line 9218 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9202 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 317: /* primary: "'unless'" expr_value then compstmt opt_else "'end'"  */
-#line 3273 "mrbgems/mruby-compiler/core/parse.y"
+#line 3257 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_if(p, cond((yyvsp[-4].nd)), (yyvsp[-1].nd), (yyvsp[-2].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-5].num));
                     }
-#line 9227 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9211 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 318: /* $@14: %empty  */
-#line 3277 "mrbgems/mruby-compiler/core/parse.y"
+#line 3261 "mrbgems/mruby-compiler/core/parse.y"
                                 {COND_PUSH(1);}
-#line 9233 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9217 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 319: /* $@15: %empty  */
-#line 3277 "mrbgems/mruby-compiler/core/parse.y"
+#line 3261 "mrbgems/mruby-compiler/core/parse.y"
                                                               {COND_POP();}
-#line 9239 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9223 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 320: /* primary: "'while'" $@14 expr_value do $@15 compstmt "'end'"  */
-#line 3280 "mrbgems/mruby-compiler/core/parse.y"
+#line 3264 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_while(p, cond((yyvsp[-4].nd)), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-6].num));
                     }
-#line 9248 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9232 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 321: /* $@16: %empty  */
-#line 3284 "mrbgems/mruby-compiler/core/parse.y"
+#line 3268 "mrbgems/mruby-compiler/core/parse.y"
                                 {COND_PUSH(1);}
-#line 9254 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9238 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 322: /* $@17: %empty  */
-#line 3284 "mrbgems/mruby-compiler/core/parse.y"
+#line 3268 "mrbgems/mruby-compiler/core/parse.y"
                                                               {COND_POP();}
-#line 9260 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9244 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 323: /* primary: "'until'" $@16 expr_value do $@17 compstmt "'end'"  */
-#line 3287 "mrbgems/mruby-compiler/core/parse.y"
+#line 3271 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_until(p, cond((yyvsp[-4].nd)), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-6].num));
                     }
-#line 9269 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9253 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 324: /* primary: "'case'" expr_value opt_terms case_body "'end'"  */
-#line 3294 "mrbgems/mruby-compiler/core/parse.y"
+#line 3278 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_case(p, (yyvsp[-3].nd), (yyvsp[-1].nd));
                     }
-#line 9277 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9261 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 325: /* primary: "'case'" opt_terms case_body "'end'"  */
-#line 3298 "mrbgems/mruby-compiler/core/parse.y"
+#line 3282 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_case(p, 0, (yyvsp[-1].nd));
                     }
-#line 9285 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9269 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 326: /* $@18: %empty  */
-#line 3302 "mrbgems/mruby-compiler/core/parse.y"
+#line 3286 "mrbgems/mruby-compiler/core/parse.y"
                   {COND_PUSH(1);}
-#line 9291 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9275 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 327: /* $@19: %empty  */
-#line 3304 "mrbgems/mruby-compiler/core/parse.y"
+#line 3288 "mrbgems/mruby-compiler/core/parse.y"
                   {COND_POP();}
-#line 9297 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9281 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 328: /* primary: "'for'" for_var "'in'" $@18 expr_value do $@19 compstmt "'end'"  */
-#line 3307 "mrbgems/mruby-compiler/core/parse.y"
+#line 3291 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_for(p, (yyvsp[-7].nd), (yyvsp[-4].nd), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-8].num));
                     }
-#line 9306 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9290 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 329: /* @20: %empty  */
-#line 3313 "mrbgems/mruby-compiler/core/parse.y"
+#line 3297 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (p->in_def || p->in_single)
                         yyerror(&(yylsp[-2]), p, "class definition in method body");
                       (yyval.nd) = local_switch(p);
                       nvars_block(p);
                     }
-#line 9317 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9301 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 330: /* primary: "'class'" cpath superclass @20 bodystmt "'end'"  */
-#line 3321 "mrbgems/mruby-compiler/core/parse.y"
+#line 3305 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_class(p, (yyvsp[-4].nd), (yyvsp[-3].nd), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-5].num));
                       local_resume(p, (yyvsp[-2].nd));
                       nvars_unnest(p);
                     }
-#line 9328 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9312 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 331: /* @21: %empty  */
-#line 3329 "mrbgems/mruby-compiler/core/parse.y"
+#line 3313 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.num) = p->in_def;
                       p->in_def = 0;
                     }
-#line 9337 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9321 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 332: /* @22: %empty  */
-#line 3334 "mrbgems/mruby-compiler/core/parse.y"
+#line 3318 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = cons(local_switch(p), int_to_node(p->in_single));
                       nvars_block(p);
                       p->in_single = 0;
                     }
-#line 9347 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9331 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 333: /* primary: "'class'" "<<" expr @21 term @22 bodystmt "'end'"  */
-#line 3341 "mrbgems/mruby-compiler/core/parse.y"
+#line 3325 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_sclass(p, (yyvsp[-5].nd), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-7].num));
@@ -9356,44 +9340,44 @@ yyreduce:
                       p->in_def = (yyvsp[-4].num);
                       p->in_single = node_to_int((yyvsp[-2].nd)->cdr);
                     }
-#line 9360 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9344 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 334: /* @23: %empty  */
-#line 3351 "mrbgems/mruby-compiler/core/parse.y"
+#line 3335 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if (p->in_def || p->in_single)
                         yyerror(&(yylsp[-1]), p, "module definition in method body");
                       (yyval.nd) = local_switch(p);
                       nvars_block(p);
                     }
-#line 9371 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9355 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 335: /* primary: "'module'" cpath @23 bodystmt "'end'"  */
-#line 3359 "mrbgems/mruby-compiler/core/parse.y"
+#line 3343 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_module(p, (yyvsp[-3].nd), (yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-4].num));
                       local_resume(p, (yyvsp[-2].nd));
                       nvars_unnest(p);
                     }
-#line 9382 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9366 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 336: /* primary: defn_head f_arglist bodystmt "'end'"  */
-#line 3369 "mrbgems/mruby-compiler/core/parse.y"
+#line 3353 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-3].nd);
                       defn_setup(p, (yyval.nd), (yyvsp[-2].nd), (yyvsp[-1].nd));
                       nvars_unnest(p);
                       p->in_def--;
                     }
-#line 9393 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9377 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 337: /* primary: defs_head f_arglist bodystmt "'end'"  */
-#line 3379 "mrbgems/mruby-compiler/core/parse.y"
+#line 3363 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-3].nd);
                       defn_setup(p, (yyval.nd), (yyvsp[-2].nd), (yyvsp[-1].nd));
@@ -9401,610 +9385,610 @@ yyreduce:
                       p->in_def--;
                       p->in_single--;
                     }
-#line 9405 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9389 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 338: /* primary: "'break'"  */
-#line 3387 "mrbgems/mruby-compiler/core/parse.y"
+#line 3371 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_break(p, 0);
                     }
+#line 9397 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 339: /* primary: "'next'"  */
+#line 3375 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_next(p, 0);
+                    }
+#line 9405 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 340: /* primary: "'redo'"  */
+#line 3379 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_redo(p);
+                    }
 #line 9413 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 339: /* primary: "'next'"  */
-#line 3391 "mrbgems/mruby-compiler/core/parse.y"
+  case 341: /* primary: "'retry'"  */
+#line 3383 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_next(p, 0);
+                      (yyval.nd) = new_retry(p);
                     }
 #line 9421 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 340: /* primary: "'redo'"  */
-#line 3395 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_redo(p);
-                    }
-#line 9429 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 341: /* primary: "'retry'"  */
-#line 3399 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_retry(p);
-                    }
-#line 9437 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 342: /* primary_value: primary  */
-#line 3405 "mrbgems/mruby-compiler/core/parse.y"
+#line 3389 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[0].nd);
                       if (!(yyval.nd)) (yyval.nd) = new_nil(p);
                     }
-#line 9446 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9430 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 349: /* if_tail: "'elsif'" expr_value then compstmt if_tail  */
-#line 3424 "mrbgems/mruby-compiler/core/parse.y"
+#line 3408 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_if(p, cond((yyvsp[-3].nd)), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
+#line 9438 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 351: /* opt_else: "'else'" compstmt  */
+#line 3415 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[0].nd);
+                    }
+#line 9446 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 352: /* for_var: lhs  */
+#line 3421 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list1(list1((yyvsp[0].nd)));
+                    }
 #line 9454 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 351: /* opt_else: "'else'" compstmt  */
-#line 3431 "mrbgems/mruby-compiler/core/parse.y"
+  case 354: /* f_margs: f_arg  */
+#line 3428 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[0].nd);
+                      (yyval.nd) = list3((yyvsp[0].nd),0,0);
                     }
 #line 9462 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 352: /* for_var: lhs  */
-#line 3437 "mrbgems/mruby-compiler/core/parse.y"
+  case 355: /* f_margs: f_arg ',' "*" f_norm_arg  */
+#line 3432 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1(list1((yyvsp[0].nd)));
+                      (yyval.nd) = list3((yyvsp[-3].nd), new_lvar(p, (yyvsp[0].id)), 0);
                     }
 #line 9470 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 354: /* f_margs: f_arg  */
-#line 3444 "mrbgems/mruby-compiler/core/parse.y"
+  case 356: /* f_margs: f_arg ',' "*" f_norm_arg ',' f_arg  */
+#line 3436 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list3((yyvsp[0].nd),0,0);
+                      (yyval.nd) = list3((yyvsp[-5].nd), new_lvar(p, (yyvsp[-2].id)), (yyvsp[0].nd));
                     }
 #line 9478 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 355: /* f_margs: f_arg ',' "*" f_norm_arg  */
-#line 3448 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = list3((yyvsp[-3].nd), new_lvar(p, (yyvsp[0].id)), 0);
-                    }
-#line 9486 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 356: /* f_margs: f_arg ',' "*" f_norm_arg ',' f_arg  */
-#line 3452 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = list3((yyvsp[-5].nd), new_lvar(p, (yyvsp[-2].id)), (yyvsp[0].nd));
-                    }
-#line 9494 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 357: /* f_margs: f_arg ',' "*"  */
-#line 3456 "mrbgems/mruby-compiler/core/parse.y"
+#line 3440 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, intern_op(mul));
                       (yyval.nd) = list3((yyvsp[-2].nd), int_to_node(-1), 0);
                     }
-#line 9503 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9487 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 358: /* f_margs: f_arg ',' "*" ',' f_arg  */
-#line 3461 "mrbgems/mruby-compiler/core/parse.y"
+#line 3445 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list3((yyvsp[-4].nd), int_to_node(-1), (yyvsp[0].nd));
                     }
+#line 9495 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 359: /* f_margs: "*" f_norm_arg  */
+#line 3449 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list3(0, new_lvar(p, (yyvsp[0].id)), 0);
+                    }
+#line 9503 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 360: /* f_margs: "*" f_norm_arg ',' f_arg  */
+#line 3453 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list3(0, new_lvar(p, (yyvsp[-2].id)), (yyvsp[0].nd));
+                    }
 #line 9511 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 359: /* f_margs: "*" f_norm_arg  */
-#line 3465 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = list3(0, new_lvar(p, (yyvsp[0].id)), 0);
-                    }
-#line 9519 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 360: /* f_margs: "*" f_norm_arg ',' f_arg  */
-#line 3469 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = list3(0, new_lvar(p, (yyvsp[-2].id)), (yyvsp[0].nd));
-                    }
-#line 9527 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 361: /* f_margs: "*"  */
-#line 3473 "mrbgems/mruby-compiler/core/parse.y"
+#line 3457 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, intern_op(mul));
                       (yyval.nd) = list3(0, int_to_node(-1), 0);
                     }
-#line 9536 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9520 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 362: /* $@24: %empty  */
-#line 3478 "mrbgems/mruby-compiler/core/parse.y"
+#line 3462 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, intern_op(mul));
                     }
+#line 9528 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 363: /* f_margs: "*" ',' $@24 f_arg  */
+#line 3466 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list3(0, int_to_node(-1), (yyvsp[0].nd));
+                    }
+#line 9536 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 364: /* block_args_tail: f_block_kwarg ',' f_kwrest opt_f_block_arg  */
+#line 3472 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_args_tail(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].id));
+                    }
 #line 9544 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 363: /* f_margs: "*" ',' $@24 f_arg  */
-#line 3482 "mrbgems/mruby-compiler/core/parse.y"
+  case 365: /* block_args_tail: f_block_kwarg opt_f_block_arg  */
+#line 3476 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list3(0, int_to_node(-1), (yyvsp[0].nd));
+                      (yyval.nd) = new_args_tail(p, (yyvsp[-1].nd), 0, (yyvsp[0].id));
                     }
 #line 9552 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 364: /* block_args_tail: f_block_kwarg ',' f_kwrest opt_f_block_arg  */
-#line 3488 "mrbgems/mruby-compiler/core/parse.y"
+  case 366: /* block_args_tail: f_kwrest opt_f_block_arg  */
+#line 3480 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].id));
+                      (yyval.nd) = new_args_tail(p, 0, (yyvsp[-1].id), (yyvsp[0].id));
                     }
 #line 9560 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 365: /* block_args_tail: f_block_kwarg opt_f_block_arg  */
-#line 3492 "mrbgems/mruby-compiler/core/parse.y"
+  case 367: /* block_args_tail: f_block_arg  */
+#line 3484 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, (yyvsp[-1].nd), 0, (yyvsp[0].id));
+                      (yyval.nd) = new_args_tail(p, 0, 0, (yyvsp[0].id));
                     }
 #line 9568 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 366: /* block_args_tail: f_kwrest opt_f_block_arg  */
-#line 3496 "mrbgems/mruby-compiler/core/parse.y"
+  case 368: /* opt_block_args_tail: ',' block_args_tail  */
+#line 3490 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, 0, (yyvsp[-1].id), (yyvsp[0].id));
+                      (yyval.nd) = (yyvsp[0].nd);
                     }
 #line 9576 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 367: /* block_args_tail: f_block_arg  */
-#line 3500 "mrbgems/mruby-compiler/core/parse.y"
+  case 369: /* opt_block_args_tail: %empty  */
+#line 3494 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, 0, 0, (yyvsp[0].id));
+                      (yyval.nd) = new_args_tail(p, 0, 0, 0);
                     }
 #line 9584 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 368: /* opt_block_args_tail: ',' block_args_tail  */
-#line 3506 "mrbgems/mruby-compiler/core/parse.y"
+  case 370: /* block_param: f_arg ',' f_block_optarg ',' f_rest_arg opt_block_args_tail  */
+#line 3500 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[0].nd);
+                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 9592 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 369: /* opt_block_args_tail: %empty  */
-#line 3510 "mrbgems/mruby-compiler/core/parse.y"
+  case 371: /* block_param: f_arg ',' f_block_optarg ',' f_rest_arg ',' f_arg opt_block_args_tail  */
+#line 3504 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, 0, 0, 0);
+                      (yyval.nd) = new_args(p, (yyvsp[-7].nd), (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 9600 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 370: /* block_param: f_arg ',' f_block_optarg ',' f_rest_arg opt_block_args_tail  */
-#line 3516 "mrbgems/mruby-compiler/core/parse.y"
+  case 372: /* block_param: f_arg ',' f_block_optarg opt_block_args_tail  */
+#line 3508 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
                     }
 #line 9608 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 371: /* block_param: f_arg ',' f_block_optarg ',' f_rest_arg ',' f_arg opt_block_args_tail  */
-#line 3520 "mrbgems/mruby-compiler/core/parse.y"
+  case 373: /* block_param: f_arg ',' f_block_optarg ',' f_arg opt_block_args_tail  */
+#line 3512 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-7].nd), (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 9616 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 372: /* block_param: f_arg ',' f_block_optarg opt_block_args_tail  */
-#line 3524 "mrbgems/mruby-compiler/core/parse.y"
+  case 374: /* block_param: f_arg ',' f_rest_arg opt_block_args_tail  */
+#line 3516 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 9624 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 373: /* block_param: f_arg ',' f_block_optarg ',' f_arg opt_block_args_tail  */
-#line 3528 "mrbgems/mruby-compiler/core/parse.y"
+  case 375: /* block_param: f_arg ',' opt_block_args_tail  */
+#line 3520 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-2].nd), 0, 0, 0, (yyvsp[0].nd));
                     }
 #line 9632 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 374: /* block_param: f_arg ',' f_rest_arg opt_block_args_tail  */
-#line 3532 "mrbgems/mruby-compiler/core/parse.y"
+  case 376: /* block_param: f_arg ',' f_rest_arg ',' f_arg opt_block_args_tail  */
+#line 3524 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 9640 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 375: /* block_param: f_arg ',' opt_block_args_tail  */
-#line 3536 "mrbgems/mruby-compiler/core/parse.y"
+  case 377: /* block_param: f_arg opt_block_args_tail  */
+#line 3528 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-2].nd), 0, 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-1].nd), 0, 0, 0, (yyvsp[0].nd));
                     }
 #line 9648 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 376: /* block_param: f_arg ',' f_rest_arg ',' f_arg opt_block_args_tail  */
-#line 3540 "mrbgems/mruby-compiler/core/parse.y"
+  case 378: /* block_param: f_block_optarg ',' f_rest_arg opt_block_args_tail  */
+#line 3532 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 9656 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 377: /* block_param: f_arg opt_block_args_tail  */
-#line 3544 "mrbgems/mruby-compiler/core/parse.y"
+  case 379: /* block_param: f_block_optarg ',' f_rest_arg ',' f_arg opt_block_args_tail  */
+#line 3536 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-1].nd), 0, 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 9664 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 378: /* block_param: f_block_optarg ',' f_rest_arg opt_block_args_tail  */
-#line 3548 "mrbgems/mruby-compiler/core/parse.y"
+  case 380: /* block_param: f_block_optarg opt_block_args_tail  */
+#line 3540 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
                     }
 #line 9672 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 379: /* block_param: f_block_optarg ',' f_rest_arg ',' f_arg opt_block_args_tail  */
-#line 3552 "mrbgems/mruby-compiler/core/parse.y"
+  case 381: /* block_param: f_block_optarg ',' f_arg opt_block_args_tail  */
+#line 3544 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 9680 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 380: /* block_param: f_block_optarg opt_block_args_tail  */
-#line 3556 "mrbgems/mruby-compiler/core/parse.y"
+  case 382: /* block_param: f_rest_arg opt_block_args_tail  */
+#line 3548 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 9688 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 381: /* block_param: f_block_optarg ',' f_arg opt_block_args_tail  */
-#line 3560 "mrbgems/mruby-compiler/core/parse.y"
+  case 383: /* block_param: f_rest_arg ',' f_arg opt_block_args_tail  */
+#line 3552 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 9696 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 382: /* block_param: f_rest_arg opt_block_args_tail  */
-#line 3564 "mrbgems/mruby-compiler/core/parse.y"
+  case 384: /* block_param: block_args_tail  */
+#line 3556 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, 0, 0, 0, (yyvsp[0].nd));
                     }
 #line 9704 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 383: /* block_param: f_rest_arg ',' f_arg opt_block_args_tail  */
-#line 3568 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
-                    }
-#line 9712 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 384: /* block_param: block_args_tail  */
-#line 3572 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_args(p, 0, 0, 0, 0, (yyvsp[0].nd));
-                    }
-#line 9720 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 385: /* opt_block_param: none  */
+#line 3562 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      local_add_blk(p);
+                      (yyval.nd) = 0;
+                    }
+#line 9713 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 386: /* opt_block_param: block_param_def  */
+#line 3567 "mrbgems/mruby-compiler/core/parse.y"
+                   {
+                      p->cmd_start = TRUE;
+                      (yyval.nd) = (yyvsp[0].nd);
+                    }
+#line 9722 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 387: /* $@25: %empty  */
+#line 3573 "mrbgems/mruby-compiler/core/parse.y"
+                      {local_add_blk(p);}
+#line 9728 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 388: /* block_param_def: '|' $@25 opt_bv_decl '|'  */
+#line 3574 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = 0;
+                    }
+#line 9736 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 389: /* block_param_def: "||"  */
 #line 3578 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_blk(p);
                       (yyval.nd) = 0;
                     }
-#line 9729 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9745 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 386: /* opt_block_param: block_param_def  */
+  case 390: /* block_param_def: '|' block_param opt_bv_decl '|'  */
 #line 3583 "mrbgems/mruby-compiler/core/parse.y"
-                   {
-                      p->cmd_start = TRUE;
-                      (yyval.nd) = (yyvsp[0].nd);
+                    {
+                      (yyval.nd) = (yyvsp[-2].nd);
                     }
-#line 9738 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9753 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 387: /* $@25: %empty  */
+  case 391: /* opt_bv_decl: opt_nl  */
 #line 3589 "mrbgems/mruby-compiler/core/parse.y"
-                      {local_add_blk(p);}
-#line 9744 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 388: /* block_param_def: '|' $@25 opt_bv_decl '|'  */
-#line 3590 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = 0;
                     }
-#line 9752 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 389: /* block_param_def: "||"  */
-#line 3594 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      local_add_blk(p);
-                      (yyval.nd) = 0;
-                    }
 #line 9761 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 390: /* block_param_def: '|' block_param opt_bv_decl '|'  */
-#line 3599 "mrbgems/mruby-compiler/core/parse.y"
+  case 392: /* opt_bv_decl: opt_nl ';' bv_decls opt_nl  */
+#line 3593 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-2].nd);
+                      (yyval.nd) = 0;
                     }
 #line 9769 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 391: /* opt_bv_decl: opt_nl  */
-#line 3605 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = 0;
-                    }
-#line 9777 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 392: /* opt_bv_decl: opt_nl ';' bv_decls opt_nl  */
-#line 3609 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = 0;
-                    }
-#line 9785 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 395: /* bvar: "local variable or method"  */
-#line 3619 "mrbgems/mruby-compiler/core/parse.y"
+#line 3603 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, (yyvsp[0].id));
                       new_bv(p, (yyvsp[0].id));
                     }
-#line 9794 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9778 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 397: /* f_larglist: '(' f_args opt_bv_decl ')'  */
-#line 3627 "mrbgems/mruby-compiler/core/parse.y"
+#line 3611 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-2].nd);
                     }
+#line 9786 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 398: /* f_larglist: f_args  */
+#line 3615 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[0].nd);
+                    }
+#line 9794 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 399: /* lambda_body: tLAMBEG compstmt '}'  */
+#line 3621 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[-1].nd);
+                    }
 #line 9802 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 398: /* f_larglist: f_args  */
-#line 3631 "mrbgems/mruby-compiler/core/parse.y"
+  case 400: /* lambda_body: "'do' for lambda" bodystmt "'end'"  */
+#line 3625 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[0].nd);
+                      (yyval.nd) = (yyvsp[-1].nd);
                     }
 #line 9810 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 399: /* lambda_body: tLAMBEG compstmt '}'  */
-#line 3637 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = (yyvsp[-1].nd);
-                    }
-#line 9818 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 400: /* lambda_body: "'do' for lambda" bodystmt "'end'"  */
-#line 3641 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = (yyvsp[-1].nd);
-                    }
-#line 9826 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 401: /* @26: %empty  */
-#line 3647 "mrbgems/mruby-compiler/core/parse.y"
+#line 3631 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_nest(p);
                       nvars_nest(p);
                       (yyval.num) = p->lineno;
                     }
-#line 9836 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9820 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 402: /* do_block: "'do' for block" @26 opt_block_param bodystmt "'end'"  */
-#line 3655 "mrbgems/mruby-compiler/core/parse.y"
+#line 3639 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_block(p,(yyvsp[-2].nd),(yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-3].num));
                       local_unnest(p);
                       nvars_unnest(p);
                     }
-#line 9847 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9831 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 403: /* block_call: command do_block  */
-#line 3664 "mrbgems/mruby-compiler/core/parse.y"
+#line 3648 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       call_with_block(p, (yyvsp[-1].nd), (yyvsp[0].nd));
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
-#line 9856 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9840 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 404: /* block_call: block_call call_op2 operation2 opt_paren_args  */
-#line 3669 "mrbgems/mruby-compiler/core/parse.y"
+#line 3653 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), (yyvsp[-2].num));
                     }
-#line 9864 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9848 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 405: /* block_call: block_call call_op2 operation2 opt_paren_args brace_block  */
-#line 3673 "mrbgems/mruby-compiler/core/parse.y"
+#line 3657 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), (yyvsp[-1].nd), (yyvsp[-3].num));
                       call_with_block(p, (yyval.nd), (yyvsp[0].nd));
                     }
-#line 9873 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9857 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 406: /* block_call: block_call call_op2 operation2 command_args do_block  */
-#line 3678 "mrbgems/mruby-compiler/core/parse.y"
+#line 3662 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_call(p, (yyvsp[-4].nd), (yyvsp[-2].id), (yyvsp[-1].nd), (yyvsp[-3].num));
                       call_with_block(p, (yyval.nd), (yyvsp[0].nd));
                     }
+#line 9866 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 407: /* method_call: operation paren_args  */
+#line 3669 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_fcall(p, (yyvsp[-1].id), (yyvsp[0].nd));
+                    }
+#line 9874 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 408: /* method_call: primary_value call_op operation2 opt_paren_args  */
+#line 3673 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), (yyvsp[-2].num));
+                    }
 #line 9882 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 407: /* method_call: operation paren_args  */
-#line 3685 "mrbgems/mruby-compiler/core/parse.y"
+  case 409: /* method_call: primary_value "::" operation2 paren_args  */
+#line 3677 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_fcall(p, (yyvsp[-1].id), (yyvsp[0].nd));
+                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), tCOLON2);
                     }
 #line 9890 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 408: /* method_call: primary_value call_op operation2 opt_paren_args  */
-#line 3689 "mrbgems/mruby-compiler/core/parse.y"
+  case 410: /* method_call: primary_value "::" operation3  */
+#line 3681 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), (yyvsp[-2].num));
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, tCOLON2);
                     }
 #line 9898 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 409: /* method_call: primary_value "::" operation2 paren_args  */
-#line 3693 "mrbgems/mruby-compiler/core/parse.y"
+  case 411: /* method_call: primary_value call_op paren_args  */
+#line 3685 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].nd), tCOLON2);
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), MRB_SYM_2(p->mrb, call), (yyvsp[0].nd), (yyvsp[-1].num));
                     }
 #line 9906 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 410: /* method_call: primary_value "::" operation3  */
-#line 3697 "mrbgems/mruby-compiler/core/parse.y"
+  case 412: /* method_call: primary_value "::" paren_args  */
+#line 3689 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), (yyvsp[0].id), 0, tCOLON2);
+                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), MRB_SYM_2(p->mrb, call), (yyvsp[0].nd), tCOLON2);
                     }
 #line 9914 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 411: /* method_call: primary_value call_op paren_args  */
-#line 3701 "mrbgems/mruby-compiler/core/parse.y"
+  case 413: /* method_call: "'super'" paren_args  */
+#line 3693 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), MRB_SYM_2(p->mrb, call), (yyvsp[0].nd), (yyvsp[-1].num));
+                      (yyval.nd) = new_super(p, (yyvsp[0].nd));
                     }
 #line 9922 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 412: /* method_call: primary_value "::" paren_args  */
-#line 3705 "mrbgems/mruby-compiler/core/parse.y"
+  case 414: /* method_call: "'super'"  */
+#line 3697 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_call(p, (yyvsp[-2].nd), MRB_SYM_2(p->mrb, call), (yyvsp[0].nd), tCOLON2);
+                      (yyval.nd) = new_zsuper(p);
                     }
 #line 9930 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 413: /* method_call: "'super'" paren_args  */
-#line 3709 "mrbgems/mruby-compiler/core/parse.y"
+  case 415: /* method_call: primary_value '[' opt_call_args ']'  */
+#line 3701 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_super(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), intern_op(aref), (yyvsp[-1].nd), '.');
                     }
 #line 9938 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 414: /* method_call: "'super'"  */
-#line 3713 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_zsuper(p);
-                    }
-#line 9946 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 415: /* method_call: primary_value '[' opt_call_args ']'  */
-#line 3717 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_call(p, (yyvsp[-3].nd), intern_op(aref), (yyvsp[-1].nd), '.');
-                    }
-#line 9954 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 416: /* @27: %empty  */
-#line 3723 "mrbgems/mruby-compiler/core/parse.y"
+#line 3707 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_nest(p);
                       nvars_nest(p);
                       (yyval.num) = p->lineno;
                     }
-#line 9964 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9948 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 417: /* brace_block: '{' @27 opt_block_param compstmt '}'  */
-#line 3730 "mrbgems/mruby-compiler/core/parse.y"
+#line 3714 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_block(p,(yyvsp[-2].nd),(yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-3].num));
                       local_unnest(p);
                       nvars_unnest(p);
                     }
-#line 9975 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9959 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 418: /* @28: %empty  */
-#line 3737 "mrbgems/mruby-compiler/core/parse.y"
+#line 3721 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_nest(p);
                       nvars_nest(p);
                       (yyval.num) = p->lineno;
                     }
-#line 9985 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9969 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 419: /* brace_block: "'do'" @28 opt_block_param bodystmt "'end'"  */
-#line 3744 "mrbgems/mruby-compiler/core/parse.y"
+#line 3728 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_block(p,(yyvsp[-2].nd),(yyvsp[-1].nd));
                       SET_LINENO((yyval.nd), (yyvsp[-3].num));
                       local_unnest(p);
                       nvars_unnest(p);
                     }
-#line 9996 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9980 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 420: /* case_body: "'when'" args then compstmt cases  */
-#line 3755 "mrbgems/mruby-compiler/core/parse.y"
+#line 3739 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = cons(cons((yyvsp[-3].nd), (yyvsp[-1].nd)), (yyvsp[0].nd));
                     }
-#line 10004 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 9988 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 421: /* cases: opt_else  */
-#line 3761 "mrbgems/mruby-compiler/core/parse.y"
+#line 3745 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       if ((yyvsp[0].nd)) {
                         (yyval.nd) = cons(cons(0, (yyvsp[0].nd)), 0);
@@ -10013,155 +9997,155 @@ yyreduce:
                         (yyval.nd) = 0;
                       }
                     }
-#line 10017 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10001 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 423: /* opt_rescue: "'rescue'" exc_list exc_var then compstmt opt_rescue  */
-#line 3775 "mrbgems/mruby-compiler/core/parse.y"
+#line 3759 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1(list3((yyvsp[-4].nd), (yyvsp[-3].nd), (yyvsp[-1].nd)));
                       if ((yyvsp[0].nd)) (yyval.nd) = append((yyval.nd), (yyvsp[0].nd));
                     }
-#line 10026 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10010 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 425: /* exc_list: arg  */
-#line 3783 "mrbgems/mruby-compiler/core/parse.y"
+#line 3767 "mrbgems/mruby-compiler/core/parse.y"
                     {
                         (yyval.nd) = list1((yyvsp[0].nd));
                     }
+#line 10018 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 428: /* exc_var: "=>" lhs  */
+#line 3775 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[0].nd);
+                    }
+#line 10026 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 430: /* opt_ensure: "'ensure'" compstmt  */
+#line 3782 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = (yyvsp[0].nd);
+                    }
 #line 10034 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 428: /* exc_var: "=>" lhs  */
-#line 3791 "mrbgems/mruby-compiler/core/parse.y"
+  case 437: /* string: string string_fragment  */
+#line 3796 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[0].nd);
+                      (yyval.nd) = append((yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10042 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 430: /* opt_ensure: "'ensure'" compstmt  */
-#line 3798 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = (yyvsp[0].nd);
-                    }
-#line 10050 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 437: /* string: string string_fragment  */
-#line 3812 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = append((yyvsp[-1].nd), (yyvsp[0].nd));
-                    }
-#line 10058 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 438: /* string_fragment: "character literal"  */
-#line 3818 "mrbgems/mruby-compiler/core/parse.y"
+#line 3802 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       /* tCHAR is (len . str), wrap as cons list */
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
-#line 10067 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10051 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 439: /* string_fragment: tSTRING  */
-#line 3823 "mrbgems/mruby-compiler/core/parse.y"
+#line 3807 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       /* tSTRING is (len . str), wrap as cons list */
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
-#line 10076 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10060 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 440: /* string_fragment: "string literal" tSTRING  */
-#line 3828 "mrbgems/mruby-compiler/core/parse.y"
+#line 3812 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       /* $2 is (len . str), wrap as cons list */
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
-#line 10085 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10069 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 441: /* string_fragment: "string literal" string_rep tSTRING  */
-#line 3833 "mrbgems/mruby-compiler/core/parse.y"
+#line 3817 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push((yyvsp[-1].nd), (yyvsp[0].nd));
                     }
-#line 10093 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10077 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 443: /* string_rep: string_rep string_interp  */
-#line 3840 "mrbgems/mruby-compiler/core/parse.y"
+#line 3824 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = append((yyvsp[-1].nd), (yyvsp[0].nd));
                     }
-#line 10101 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10085 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 444: /* string_interp: tSTRING_MID  */
-#line 3846 "mrbgems/mruby-compiler/core/parse.y"
+#line 3830 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       /* $1 is already in (len . str) format */
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
-#line 10110 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10094 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 445: /* @29: %empty  */
-#line 3851 "mrbgems/mruby-compiler/core/parse.y"
+#line 3835 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push_strterm(p);
                     }
-#line 10118 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10102 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 446: /* string_interp: tSTRING_PART @29 compstmt '}'  */
-#line 3856 "mrbgems/mruby-compiler/core/parse.y"
+#line 3840 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       pop_strterm(p,(yyvsp[-2].nd));
                       /* $1 is already in (len . str) format, create (-1 . node) for expression */
                       node *expr_elem = cons(int_to_node(-1), (yyvsp[-1].nd));
                       (yyval.nd) = list2((yyvsp[-3].nd), expr_elem);
                     }
-#line 10129 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10113 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 447: /* string_interp: tLITERAL_DELIM  */
-#line 3863 "mrbgems/mruby-compiler/core/parse.y"
+#line 3847 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1(new_literal_delim(p));
                     }
+#line 10121 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 448: /* string_interp: tHD_LITERAL_DELIM heredoc_bodies  */
+#line 3851 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list1(new_literal_delim(p));
+                    }
+#line 10129 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 449: /* xstring: tXSTRING_BEG tXSTRING  */
+#line 3857 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                        (yyval.nd) = cons((yyvsp[0].nd), (node*)NULL);
+                    }
 #line 10137 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 448: /* string_interp: tHD_LITERAL_DELIM heredoc_bodies  */
-#line 3867 "mrbgems/mruby-compiler/core/parse.y"
+  case 450: /* xstring: tXSTRING_BEG string_rep tXSTRING  */
+#line 3861 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1(new_literal_delim(p));
+                      (yyval.nd) = push((yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10145 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 449: /* xstring: tXSTRING_BEG tXSTRING  */
-#line 3873 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                        (yyval.nd) = cons((yyvsp[0].nd), (node*)NULL);
-                    }
-#line 10153 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 450: /* xstring: tXSTRING_BEG string_rep tXSTRING  */
-#line 3877 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = push((yyvsp[-1].nd), (yyvsp[0].nd));
-                    }
-#line 10161 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 451: /* regexp: tREGEXP_BEG tREGEXP  */
-#line 3883 "mrbgems/mruby-compiler/core/parse.y"
+#line 3867 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       node *data = (yyvsp[0].nd);  /* ((len . pattern) . (flags . encoding)) */
                       const char *flags = (const char*)data->cdr->car;
@@ -10170,11 +10154,11 @@ yyreduce:
                       node *pattern_list = cons(data->car, (node*)NULL);
                       (yyval.nd) = new_dregx(p, pattern_list, flags, encoding);
                     }
-#line 10174 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10158 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 452: /* regexp: tREGEXP_BEG string_rep tREGEXP  */
-#line 3892 "mrbgems/mruby-compiler/core/parse.y"
+#line 3876 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       node *data = (yyvsp[0].nd);  /* ((len . pattern) . (flags . encoding)) */
                       const char *flags = (const char*)data->cdr->car;
@@ -10183,47 +10167,47 @@ yyreduce:
                       node *complete_list = push((yyvsp[-1].nd), data->car);
                       (yyval.nd) = new_dregx(p, complete_list, flags, encoding);
                     }
-#line 10187 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10171 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 456: /* heredoc_body: tHEREDOC_END  */
-#line 3910 "mrbgems/mruby-compiler/core/parse.y"
+#line 3894 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       parser_heredoc_info *info = parsing_heredoc_info(p);
                       info->doc = push(info->doc, new_str_empty(p));
                       heredoc_end(p);
                     }
-#line 10197 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10181 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 457: /* heredoc_body: heredoc_string_rep tHEREDOC_END  */
-#line 3916 "mrbgems/mruby-compiler/core/parse.y"
+#line 3900 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       heredoc_end(p);
                     }
-#line 10205 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10189 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 460: /* heredoc_string_interp: tHD_STRING_MID  */
-#line 3926 "mrbgems/mruby-compiler/core/parse.y"
+#line 3910 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       parser_heredoc_info *info = parsing_heredoc_info(p);
                       info->doc = push(info->doc, (yyvsp[0].nd));
                       heredoc_treat_nextline(p);
                     }
-#line 10215 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10199 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 461: /* @30: %empty  */
-#line 3932 "mrbgems/mruby-compiler/core/parse.y"
+#line 3916 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push_strterm(p);
                     }
-#line 10223 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10207 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 462: /* heredoc_string_interp: tHD_STRING_PART @30 compstmt '}'  */
-#line 3937 "mrbgems/mruby-compiler/core/parse.y"
+#line 3921 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       pop_strterm(p, (yyvsp[-2].nd));
                       parser_heredoc_info *info = parsing_heredoc_info(p);
@@ -10231,37 +10215,37 @@ yyreduce:
                       node *expr_elem = cons(int_to_node(-1), (yyvsp[-1].nd));
                       info->doc = push(push(info->doc, (yyvsp[-3].nd)), expr_elem);
                     }
-#line 10235 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10219 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 463: /* words: tWORDS_BEG tSTRING  */
-#line 3947 "mrbgems/mruby-compiler/core/parse.y"
+#line 3931 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_words(p, list1((yyvsp[0].nd)));
                     }
-#line 10243 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10227 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 464: /* words: tWORDS_BEG string_rep tSTRING  */
-#line 3951 "mrbgems/mruby-compiler/core/parse.y"
+#line 3935 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       node *n = (yyvsp[-1].nd);
                       n = push(n, (yyvsp[0].nd));
                       (yyval.nd) = new_words(p, n);
                     }
-#line 10253 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10237 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 465: /* symbol: basic_symbol  */
-#line 3959 "mrbgems/mruby-compiler/core/parse.y"
+#line 3943 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_sym(p, (yyvsp[0].id));
                     }
-#line 10261 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10245 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 466: /* symbol: "symbol" "string literal" string_rep tSTRING  */
-#line 3963 "mrbgems/mruby-compiler/core/parse.y"
+#line 3947 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       node *n = (yyvsp[-1].nd);
                       p->lstate = EXPR_ENDARG;
@@ -10273,183 +10257,183 @@ yyreduce:
                       }
                       (yyval.nd) = new_dsym(p, new_str(p, n));
                     }
-#line 10277 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10261 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 467: /* symbol: "symbol" "numbered parameter"  */
-#line 3975 "mrbgems/mruby-compiler/core/parse.y"
+#line 3959 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       mrb_sym sym = intern_numparam((yyvsp[0].num));
                       (yyval.nd) = new_sym(p, sym);
                     }
-#line 10286 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10270 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 468: /* basic_symbol: "symbol" sym  */
-#line 3982 "mrbgems/mruby-compiler/core/parse.y"
+#line 3966 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lstate = EXPR_END;
                       (yyval.id) = (yyvsp[0].id);
                     }
-#line 10295 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10279 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 473: /* sym: tSTRING  */
-#line 3993 "mrbgems/mruby-compiler/core/parse.y"
+#line 3977 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.id) = new_strsym(p, (yyvsp[0].nd));
                     }
+#line 10287 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 474: /* sym: "string literal" tSTRING  */
+#line 3981 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.id) = new_strsym(p, (yyvsp[0].nd));
+                    }
+#line 10295 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 475: /* symbols: tSYMBOLS_BEG tSTRING  */
+#line 3987 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_symbols(p, list1((yyvsp[0].nd)));
+                    }
 #line 10303 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 474: /* sym: "string literal" tSTRING  */
-#line 3997 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.id) = new_strsym(p, (yyvsp[0].nd));
-                    }
-#line 10311 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 475: /* symbols: tSYMBOLS_BEG tSTRING  */
-#line 4003 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_symbols(p, list1((yyvsp[0].nd)));
-                    }
-#line 10319 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 476: /* symbols: tSYMBOLS_BEG string_rep tSTRING  */
-#line 4007 "mrbgems/mruby-compiler/core/parse.y"
+#line 3991 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       node *n = (yyvsp[-1].nd);
                       n = push(n, (yyvsp[0].nd));
                       (yyval.nd) = new_symbols(p, n);
                     }
-#line 10329 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10313 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 479: /* numeric: tUMINUS_NUM "integer literal"  */
-#line 4017 "mrbgems/mruby-compiler/core/parse.y"
+#line 4001 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_negate(p, (yyvsp[0].nd));
                     }
+#line 10321 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 480: /* numeric: tUMINUS_NUM "float literal"  */
+#line 4005 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_negate(p, (yyvsp[0].nd));
+                    }
+#line 10329 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 481: /* variable: "local variable or method"  */
+#line 4011 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_lvar(p, (yyvsp[0].id));
+                    }
 #line 10337 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 480: /* numeric: tUMINUS_NUM "float literal"  */
-#line 4021 "mrbgems/mruby-compiler/core/parse.y"
+  case 482: /* variable: "instance variable"  */
+#line 4015 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_negate(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_ivar(p, (yyvsp[0].id));
                     }
 #line 10345 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 481: /* variable: "local variable or method"  */
-#line 4027 "mrbgems/mruby-compiler/core/parse.y"
+  case 483: /* variable: "global variable"  */
+#line 4019 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_lvar(p, (yyvsp[0].id));
+                      (yyval.nd) = new_gvar(p, (yyvsp[0].id));
                     }
 #line 10353 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 482: /* variable: "instance variable"  */
-#line 4031 "mrbgems/mruby-compiler/core/parse.y"
+  case 484: /* variable: "class variable"  */
+#line 4023 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_ivar(p, (yyvsp[0].id));
+                      (yyval.nd) = new_cvar(p, (yyvsp[0].id));
                     }
 #line 10361 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 483: /* variable: "global variable"  */
-#line 4035 "mrbgems/mruby-compiler/core/parse.y"
+  case 485: /* variable: "constant"  */
+#line 4027 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_gvar(p, (yyvsp[0].id));
+                      (yyval.nd) = new_const(p, (yyvsp[0].id));
                     }
 #line 10369 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 484: /* variable: "class variable"  */
-#line 4039 "mrbgems/mruby-compiler/core/parse.y"
+  case 486: /* var_lhs: variable  */
+#line 4033 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_cvar(p, (yyvsp[0].id));
+                      assignable(p, (yyvsp[0].nd));
                     }
 #line 10377 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 485: /* variable: "constant"  */
-#line 4043 "mrbgems/mruby-compiler/core/parse.y"
+  case 487: /* var_lhs: "numbered parameter"  */
+#line 4037 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_const(p, (yyvsp[0].id));
+                      yyerror(&(yylsp[0]), p, "can't assign to numbered parameter");
                     }
 #line 10385 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 486: /* var_lhs: variable  */
-#line 4049 "mrbgems/mruby-compiler/core/parse.y"
+  case 488: /* var_ref: variable  */
+#line 4043 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      assignable(p, (yyvsp[0].nd));
+                      (yyval.nd) = var_reference(p, (yyvsp[0].nd));
                     }
 #line 10393 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 487: /* var_lhs: "numbered parameter"  */
-#line 4053 "mrbgems/mruby-compiler/core/parse.y"
+  case 489: /* var_ref: "numbered parameter"  */
+#line 4047 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      yyerror(&(yylsp[0]), p, "can't assign to numbered parameter");
+                      (yyval.nd) = new_nvar(p, (yyvsp[0].num));
                     }
 #line 10401 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 488: /* var_ref: variable  */
-#line 4059 "mrbgems/mruby-compiler/core/parse.y"
+  case 490: /* var_ref: "'nil'"  */
+#line 4051 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = var_reference(p, (yyvsp[0].nd));
+                      (yyval.nd) = new_nil(p);
                     }
 #line 10409 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 489: /* var_ref: "numbered parameter"  */
-#line 4063 "mrbgems/mruby-compiler/core/parse.y"
+  case 491: /* var_ref: "'self'"  */
+#line 4055 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_nvar(p, (yyvsp[0].num));
+                      (yyval.nd) = new_self(p);
                     }
 #line 10417 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 490: /* var_ref: "'nil'"  */
-#line 4067 "mrbgems/mruby-compiler/core/parse.y"
+  case 492: /* var_ref: "'true'"  */
+#line 4059 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_nil(p);
+                      (yyval.nd) = new_true(p);
                     }
 #line 10425 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 491: /* var_ref: "'self'"  */
-#line 4071 "mrbgems/mruby-compiler/core/parse.y"
+  case 493: /* var_ref: "'false'"  */
+#line 4063 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_self(p);
+                      (yyval.nd) = new_false(p);
                     }
 #line 10433 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 492: /* var_ref: "'true'"  */
-#line 4075 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_true(p);
-                    }
-#line 10441 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 493: /* var_ref: "'false'"  */
-#line 4079 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_false(p);
-                    }
-#line 10449 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 494: /* var_ref: "'__FILE__'"  */
-#line 4083 "mrbgems/mruby-compiler/core/parse.y"
+#line 4067 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       const char *fn = mrb_sym_name_len(p->mrb, p->filename_sym, NULL);
                       if (!fn) {
@@ -10457,686 +10441,686 @@ yyreduce:
                       }
                       (yyval.nd) = new_str(p, cons(cons(int_to_node(strlen(fn)), (node*)fn), (node*)NULL));
                     }
-#line 10461 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10445 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 495: /* var_ref: "'__LINE__'"  */
-#line 4091 "mrbgems/mruby-compiler/core/parse.y"
+#line 4075 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       char buf[16];
 
                       dump_int(p->lineno, buf);
                       (yyval.nd) = new_int(p, buf, 10, 0);
                     }
-#line 10472 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10456 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 496: /* var_ref: "'__ENCODING__'"  */
-#line 4098 "mrbgems/mruby-compiler/core/parse.y"
+#line 4082 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_fcall(p, MRB_SYM_2(p->mrb, __ENCODING__), 0);
                     }
-#line 10480 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10464 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 499: /* superclass: %empty  */
-#line 4108 "mrbgems/mruby-compiler/core/parse.y"
+#line 4092 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = 0;
                     }
-#line 10488 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10472 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 500: /* $@31: %empty  */
-#line 4112 "mrbgems/mruby-compiler/core/parse.y"
+#line 4096 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lstate = EXPR_BEG;
                       p->cmd_start = TRUE;
                     }
-#line 10497 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10481 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 501: /* superclass: '<' $@31 expr_value term  */
-#line 4117 "mrbgems/mruby-compiler/core/parse.y"
+#line 4101 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
-#line 10505 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10489 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 504: /* f_arglist_paren: '(' f_args rparen  */
-#line 4133 "mrbgems/mruby-compiler/core/parse.y"
+#line 4117 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-1].nd);
                       p->lstate = EXPR_BEG;
                       p->cmd_start = TRUE;
                     }
+#line 10499 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 505: /* f_arglist_paren: '(' f_arg ',' tBDOT3 rparen  */
+#line 4123 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_args_dots(p, (yyvsp[-3].nd));
+                    }
+#line 10507 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 506: /* f_arglist_paren: '(' tBDOT3 rparen  */
+#line 4127 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = new_args_dots(p, 0);
+                    }
 #line 10515 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 505: /* f_arglist_paren: '(' f_arg ',' tBDOT3 rparen  */
-#line 4139 "mrbgems/mruby-compiler/core/parse.y"
+  case 508: /* f_arglist: f_args term  */
+#line 4134 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_dots(p, (yyvsp[-3].nd));
+                      (yyval.nd) = (yyvsp[-1].nd);
                     }
 #line 10523 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 506: /* f_arglist_paren: '(' tBDOT3 rparen  */
-#line 4143 "mrbgems/mruby-compiler/core/parse.y"
+  case 509: /* f_arglist: f_arg ',' tBDOT3 term  */
+#line 4138 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_dots(p, 0);
+                      (yyval.nd) = new_args_dots(p, (yyvsp[-3].nd));
                     }
 #line 10531 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 508: /* f_arglist: f_args term  */
-#line 4150 "mrbgems/mruby-compiler/core/parse.y"
+  case 510: /* f_arglist: "..." term  */
+#line 4142 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[-1].nd);
+                      (yyval.nd) = new_args_dots(p, 0);
                     }
 #line 10539 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 509: /* f_arglist: f_arg ',' tBDOT3 term  */
-#line 4154 "mrbgems/mruby-compiler/core/parse.y"
+  case 511: /* f_label: "local variable or method" "label"  */
+#line 4148 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_dots(p, (yyvsp[-3].nd));
+                      local_nest(p);
                     }
 #line 10547 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 510: /* f_arglist: "..." term  */
-#line 4158 "mrbgems/mruby-compiler/core/parse.y"
+  case 512: /* f_label: "numbered parameter" "label"  */
+#line 4152 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_dots(p, 0);
+                      local_nest(p);
                     }
 #line 10555 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 511: /* f_label: "local variable or method" "label"  */
-#line 4164 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      local_nest(p);
-                    }
-#line 10563 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 512: /* f_label: "numbered parameter" "label"  */
-#line 4168 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      local_nest(p);
-                    }
-#line 10571 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 513: /* f_kw: f_label arg  */
-#line 4174 "mrbgems/mruby-compiler/core/parse.y"
+#line 4158 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = new_kw_arg(p, (yyvsp[-1].id), cons((yyvsp[0].nd), locals_node(p)));
                       local_unnest(p);
                     }
-#line 10581 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10565 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 514: /* f_kw: f_label  */
-#line 4180 "mrbgems/mruby-compiler/core/parse.y"
+#line 4164 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_kw_arg(p, (yyvsp[0].id), 0);
                       local_unnest(p);
                     }
-#line 10590 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10574 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 515: /* f_block_kw: f_label primary_value  */
-#line 4187 "mrbgems/mruby-compiler/core/parse.y"
+#line 4171 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = new_kw_arg(p, (yyvsp[-1].id), cons((yyvsp[0].nd), locals_node(p)));
                       local_unnest(p);
                     }
-#line 10600 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10584 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 516: /* f_block_kw: f_label  */
-#line 4193 "mrbgems/mruby-compiler/core/parse.y"
+#line 4177 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_kw_arg(p, (yyvsp[0].id), 0);
                       local_unnest(p);
                     }
+#line 10593 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 517: /* f_block_kwarg: f_block_kw  */
+#line 4184 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list1((yyvsp[0].nd));
+                    }
+#line 10601 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 518: /* f_block_kwarg: f_block_kwarg ',' f_block_kw  */
+#line 4188 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
+                    }
 #line 10609 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 517: /* f_block_kwarg: f_block_kw  */
-#line 4200 "mrbgems/mruby-compiler/core/parse.y"
+  case 519: /* f_kwarg: f_kw  */
+#line 4194 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
 #line 10617 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 518: /* f_block_kwarg: f_block_kwarg ',' f_block_kw  */
-#line 4204 "mrbgems/mruby-compiler/core/parse.y"
+  case 520: /* f_kwarg: f_kwarg ',' f_kw  */
+#line 4198 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 10625 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 519: /* f_kwarg: f_kw  */
-#line 4210 "mrbgems/mruby-compiler/core/parse.y"
+  case 523: /* f_kwrest: kwrest_mark "local variable or method"  */
+#line 4208 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = list1((yyvsp[0].nd));
+                      (yyval.id) = (yyvsp[0].id);
                     }
 #line 10633 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 520: /* f_kwarg: f_kwarg ',' f_kw  */
-#line 4214 "mrbgems/mruby-compiler/core/parse.y"
+  case 524: /* f_kwrest: kwrest_mark  */
+#line 4212 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
+                      (yyval.id) = intern_op(pow);
                     }
 #line 10641 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 523: /* f_kwrest: kwrest_mark "local variable or method"  */
-#line 4224 "mrbgems/mruby-compiler/core/parse.y"
+  case 525: /* args_tail: f_kwarg ',' f_kwrest opt_f_block_arg  */
+#line 4218 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.id) = (yyvsp[0].id);
+                      (yyval.nd) = new_args_tail(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].id));
                     }
 #line 10649 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 524: /* f_kwrest: kwrest_mark  */
-#line 4228 "mrbgems/mruby-compiler/core/parse.y"
+  case 526: /* args_tail: f_kwarg opt_f_block_arg  */
+#line 4222 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.id) = intern_op(pow);
+                      (yyval.nd) = new_args_tail(p, (yyvsp[-1].nd), 0, (yyvsp[0].id));
                     }
 #line 10657 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 525: /* args_tail: f_kwarg ',' f_kwrest opt_f_block_arg  */
-#line 4234 "mrbgems/mruby-compiler/core/parse.y"
+  case 527: /* args_tail: f_kwrest opt_f_block_arg  */
+#line 4226 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, (yyvsp[-3].nd), (yyvsp[-1].id), (yyvsp[0].id));
+                      (yyval.nd) = new_args_tail(p, 0, (yyvsp[-1].id), (yyvsp[0].id));
                     }
 #line 10665 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 526: /* args_tail: f_kwarg opt_f_block_arg  */
-#line 4238 "mrbgems/mruby-compiler/core/parse.y"
+  case 528: /* args_tail: f_block_arg  */
+#line 4230 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, (yyvsp[-1].nd), 0, (yyvsp[0].id));
+                      (yyval.nd) = new_args_tail(p, 0, 0, (yyvsp[0].id));
                     }
 #line 10673 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 527: /* args_tail: f_kwrest opt_f_block_arg  */
-#line 4242 "mrbgems/mruby-compiler/core/parse.y"
+  case 529: /* opt_args_tail: ',' args_tail  */
+#line 4236 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, 0, (yyvsp[-1].id), (yyvsp[0].id));
+                      (yyval.nd) = (yyvsp[0].nd);
                     }
 #line 10681 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 528: /* args_tail: f_block_arg  */
-#line 4246 "mrbgems/mruby-compiler/core/parse.y"
+  case 530: /* opt_args_tail: %empty  */
+#line 4240 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, 0, 0, (yyvsp[0].id));
+                      (yyval.nd) = new_args_tail(p, 0, 0, 0);
                     }
 #line 10689 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 529: /* opt_args_tail: ',' args_tail  */
-#line 4252 "mrbgems/mruby-compiler/core/parse.y"
+  case 531: /* f_args: f_arg ',' f_optarg ',' f_rest_arg opt_args_tail  */
+#line 4246 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = (yyvsp[0].nd);
+                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 10697 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 530: /* opt_args_tail: %empty  */
-#line 4256 "mrbgems/mruby-compiler/core/parse.y"
+  case 532: /* f_args: f_arg ',' f_optarg ',' f_rest_arg ',' f_arg opt_args_tail  */
+#line 4250 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args_tail(p, 0, 0, 0);
+                      (yyval.nd) = new_args(p, (yyvsp[-7].nd), (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10705 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 531: /* f_args: f_arg ',' f_optarg ',' f_rest_arg opt_args_tail  */
-#line 4262 "mrbgems/mruby-compiler/core/parse.y"
+  case 533: /* f_args: f_arg ',' f_optarg opt_args_tail  */
+#line 4254 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
                     }
 #line 10713 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 532: /* f_args: f_arg ',' f_optarg ',' f_rest_arg ',' f_arg opt_args_tail  */
-#line 4266 "mrbgems/mruby-compiler/core/parse.y"
+  case 534: /* f_args: f_arg ',' f_optarg ',' f_arg opt_args_tail  */
+#line 4258 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-7].nd), (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10721 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 533: /* f_args: f_arg ',' f_optarg opt_args_tail  */
-#line 4270 "mrbgems/mruby-compiler/core/parse.y"
+  case 535: /* f_args: f_arg ',' f_rest_arg opt_args_tail  */
+#line 4262 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 10729 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 534: /* f_args: f_arg ',' f_optarg ',' f_arg opt_args_tail  */
-#line 4274 "mrbgems/mruby-compiler/core/parse.y"
+  case 536: /* f_args: f_arg ',' f_rest_arg ',' f_arg opt_args_tail  */
+#line 4266 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10737 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 535: /* f_args: f_arg ',' f_rest_arg opt_args_tail  */
-#line 4278 "mrbgems/mruby-compiler/core/parse.y"
+  case 537: /* f_args: f_arg opt_args_tail  */
+#line 4270 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-3].nd), 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, (yyvsp[-1].nd), 0, 0, 0, (yyvsp[0].nd));
                     }
 #line 10745 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 536: /* f_args: f_arg ',' f_rest_arg ',' f_arg opt_args_tail  */
-#line 4282 "mrbgems/mruby-compiler/core/parse.y"
+  case 538: /* f_args: f_optarg ',' f_rest_arg opt_args_tail  */
+#line 4274 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-5].nd), 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 10753 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 537: /* f_args: f_arg opt_args_tail  */
-#line 4286 "mrbgems/mruby-compiler/core/parse.y"
+  case 539: /* f_args: f_optarg ',' f_rest_arg ',' f_arg opt_args_tail  */
+#line 4278 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, (yyvsp[-1].nd), 0, 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10761 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 538: /* f_args: f_optarg ',' f_rest_arg opt_args_tail  */
-#line 4290 "mrbgems/mruby-compiler/core/parse.y"
+  case 540: /* f_args: f_optarg opt_args_tail  */
+#line 4282 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
                     }
 #line 10769 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 539: /* f_args: f_optarg ',' f_rest_arg ',' f_arg opt_args_tail  */
-#line 4294 "mrbgems/mruby-compiler/core/parse.y"
+  case 541: /* f_args: f_optarg ',' f_arg opt_args_tail  */
+#line 4286 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-5].nd), (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10777 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 540: /* f_args: f_optarg opt_args_tail  */
-#line 4298 "mrbgems/mruby-compiler/core/parse.y"
+  case 542: /* f_args: f_rest_arg opt_args_tail  */
+#line 4290 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-1].nd), 0, 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
                     }
 #line 10785 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 541: /* f_args: f_optarg ',' f_arg opt_args_tail  */
-#line 4302 "mrbgems/mruby-compiler/core/parse.y"
+  case 543: /* f_args: f_rest_arg ',' f_arg opt_args_tail  */
+#line 4294 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, (yyvsp[-3].nd), 0, (yyvsp[-1].nd), (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
                     }
 #line 10793 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 542: /* f_args: f_rest_arg opt_args_tail  */
-#line 4306 "mrbgems/mruby-compiler/core/parse.y"
+  case 544: /* f_args: args_tail  */
+#line 4298 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-1].id), 0, (yyvsp[0].nd));
+                      (yyval.nd) = new_args(p, 0, 0, 0, 0, (yyvsp[0].nd));
                     }
 #line 10801 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 543: /* f_args: f_rest_arg ',' f_arg opt_args_tail  */
-#line 4310 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_args(p, 0, 0, (yyvsp[-3].id), (yyvsp[-1].nd), (yyvsp[0].nd));
-                    }
-#line 10809 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 544: /* f_args: args_tail  */
-#line 4314 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = new_args(p, 0, 0, 0, 0, (yyvsp[0].nd));
-                    }
-#line 10817 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 545: /* f_args: %empty  */
-#line 4318 "mrbgems/mruby-compiler/core/parse.y"
+#line 4302 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, 0);
                       (yyval.nd) = new_args(p, 0, 0, 0, 0, 0);
                     }
-#line 10826 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10810 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 546: /* f_bad_arg: "constant"  */
-#line 4325 "mrbgems/mruby-compiler/core/parse.y"
+#line 4309 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[0]), p, "formal argument cannot be a constant");
                       (yyval.nd) = 0;
                     }
-#line 10835 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10819 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 547: /* f_bad_arg: "instance variable"  */
-#line 4330 "mrbgems/mruby-compiler/core/parse.y"
+#line 4314 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[0]), p, "formal argument cannot be an instance variable");
                       (yyval.nd) = 0;
                     }
-#line 10844 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10828 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 548: /* f_bad_arg: "global variable"  */
-#line 4335 "mrbgems/mruby-compiler/core/parse.y"
+#line 4319 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[0]), p, "formal argument cannot be a global variable");
                       (yyval.nd) = 0;
                     }
-#line 10853 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10837 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 549: /* f_bad_arg: "class variable"  */
-#line 4340 "mrbgems/mruby-compiler/core/parse.y"
+#line 4324 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[0]), p, "formal argument cannot be a class variable");
                       (yyval.nd) = 0;
                     }
-#line 10862 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10846 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 550: /* f_bad_arg: "numbered parameter"  */
-#line 4345 "mrbgems/mruby-compiler/core/parse.y"
+#line 4329 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       yyerror(&(yylsp[0]), p, "formal argument cannot be a numbered parameter");
                       (yyval.nd) = 0;
                     }
-#line 10871 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10855 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 551: /* f_norm_arg: f_bad_arg  */
-#line 4352 "mrbgems/mruby-compiler/core/parse.y"
+#line 4336 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.id) = 0;
                     }
-#line 10879 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10863 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 552: /* f_norm_arg: "local variable or method"  */
-#line 4356 "mrbgems/mruby-compiler/core/parse.y"
+#line 4340 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, (yyvsp[0].id));
                       (yyval.id) = (yyvsp[0].id);
                     }
-#line 10888 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10872 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 553: /* f_arg_item: f_norm_arg  */
-#line 4363 "mrbgems/mruby-compiler/core/parse.y"
+#line 4347 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_lvar(p, (yyvsp[0].id));
                     }
-#line 10896 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10880 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 554: /* @32: %empty  */
-#line 4367 "mrbgems/mruby-compiler/core/parse.y"
+#line 4351 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = local_switch(p);
                     }
-#line 10904 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10888 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 555: /* f_arg_item: tLPAREN @32 f_margs rparen  */
-#line 4371 "mrbgems/mruby-compiler/core/parse.y"
+#line 4355 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = new_masgn_param(p, (yyvsp[-1].nd), p->locals->car);
                       local_resume(p, (yyvsp[-2].nd));
                       local_add_f(p, 0);
                     }
-#line 10914 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10898 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 556: /* f_arg: f_arg_item  */
-#line 4379 "mrbgems/mruby-compiler/core/parse.y"
+#line 4363 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
-#line 10922 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10906 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 557: /* f_arg: f_arg ',' f_arg_item  */
-#line 4383 "mrbgems/mruby-compiler/core/parse.y"
+#line 4367 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
-#line 10930 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10914 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 558: /* f_opt_asgn: "local variable or method" '='  */
-#line 4389 "mrbgems/mruby-compiler/core/parse.y"
+#line 4373 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, (yyvsp[-1].id));
                       local_nest(p);
                       (yyval.id) = (yyvsp[-1].id);
                     }
-#line 10940 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10924 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 559: /* f_opt: f_opt_asgn arg  */
-#line 4397 "mrbgems/mruby-compiler/core/parse.y"
+#line 4381 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = cons(sym_to_node((yyvsp[-1].id)), cons((yyvsp[0].nd), locals_node(p)));
                       local_unnest(p);
                     }
-#line 10950 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10934 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 560: /* f_block_opt: f_opt_asgn primary_value  */
-#line 4405 "mrbgems/mruby-compiler/core/parse.y"
+#line 4389 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = cons(sym_to_node((yyvsp[-1].id)), cons((yyvsp[0].nd), locals_node(p)));
                       local_unnest(p);
                     }
+#line 10944 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 561: /* f_block_optarg: f_block_opt  */
+#line 4397 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list1((yyvsp[0].nd));
+                    }
+#line 10952 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 562: /* f_block_optarg: f_block_optarg ',' f_block_opt  */
+#line 4401 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
+                    }
 #line 10960 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 561: /* f_block_optarg: f_block_opt  */
-#line 4413 "mrbgems/mruby-compiler/core/parse.y"
+  case 563: /* f_optarg: f_opt  */
+#line 4407 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = list1((yyvsp[0].nd));
                     }
 #line 10968 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 562: /* f_block_optarg: f_block_optarg ',' f_block_opt  */
-#line 4417 "mrbgems/mruby-compiler/core/parse.y"
+  case 564: /* f_optarg: f_optarg ',' f_opt  */
+#line 4411 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
 #line 10976 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 563: /* f_optarg: f_opt  */
-#line 4423 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = list1((yyvsp[0].nd));
-                    }
-#line 10984 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 564: /* f_optarg: f_optarg ',' f_opt  */
-#line 4427 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
-                    }
-#line 10992 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 567: /* f_rest_arg: restarg_mark "local variable or method"  */
-#line 4437 "mrbgems/mruby-compiler/core/parse.y"
+#line 4421 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       local_add_f(p, (yyvsp[0].id));
                       (yyval.id) = (yyvsp[0].id);
                     }
-#line 11001 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10985 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 568: /* f_rest_arg: restarg_mark  */
-#line 4442 "mrbgems/mruby-compiler/core/parse.y"
+#line 4426 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.id) = intern_op(mul);
                       local_add_f(p, (yyval.id));
                     }
-#line 11010 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 10994 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 571: /* f_block_arg: blkarg_mark "local variable or method"  */
-#line 4453 "mrbgems/mruby-compiler/core/parse.y"
+#line 4437 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.id) = (yyvsp[0].id);
+                    }
+#line 11002 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 572: /* f_block_arg: blkarg_mark  */
+#line 4441 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.id) = intern_op(and);
+                    }
+#line 11010 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 573: /* opt_f_block_arg: ',' f_block_arg  */
+#line 4447 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.id) = (yyvsp[0].id);
                     }
 #line 11018 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 572: /* f_block_arg: blkarg_mark  */
-#line 4457 "mrbgems/mruby-compiler/core/parse.y"
+  case 574: /* opt_f_block_arg: none  */
+#line 4451 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.id) = intern_op(and);
+                      (yyval.id) = 0;
                     }
 #line 11026 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 573: /* opt_f_block_arg: ',' f_block_arg  */
-#line 4463 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.id) = (yyvsp[0].id);
-                    }
-#line 11034 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 574: /* opt_f_block_arg: none  */
-#line 4467 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.id) = 0;
-                    }
-#line 11042 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 575: /* singleton: var_ref  */
-#line 4473 "mrbgems/mruby-compiler/core/parse.y"
+#line 4457 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       prohibit_literals(p, (yyvsp[0].nd));
                       (yyval.nd) = (yyvsp[0].nd);
                       if (!(yyval.nd)) (yyval.nd) = new_nil(p);
                     }
-#line 11052 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11036 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 576: /* $@33: %empty  */
-#line 4478 "mrbgems/mruby-compiler/core/parse.y"
+#line 4462 "mrbgems/mruby-compiler/core/parse.y"
                       {p->lstate = EXPR_BEG;}
-#line 11058 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11042 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 577: /* singleton: '(' $@33 expr rparen  */
-#line 4479 "mrbgems/mruby-compiler/core/parse.y"
+#line 4463 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       prohibit_literals(p, (yyvsp[-1].nd));
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
-#line 11067 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11051 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 579: /* assoc_list: assocs trailer  */
-#line 4487 "mrbgems/mruby-compiler/core/parse.y"
+#line 4471 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = (yyvsp[-1].nd);
                     }
+#line 11059 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 580: /* assocs: assoc  */
+#line 4477 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = list1((yyvsp[0].nd));
+                    }
+#line 11067 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 581: /* assocs: assocs comma assoc  */
+#line 4481 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
+                    }
 #line 11075 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 580: /* assocs: assoc  */
-#line 4493 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = list1((yyvsp[0].nd));
-                    }
-#line 11083 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 581: /* assocs: assocs comma assoc  */
-#line 4497 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.nd) = push((yyvsp[-2].nd), (yyvsp[0].nd));
-                    }
-#line 11091 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 582: /* assoc: arg "=>" arg  */
-#line 4503 "mrbgems/mruby-compiler/core/parse.y"
+#line 4487 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[-2].nd));
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = cons((yyvsp[-2].nd), (yyvsp[0].nd));
                     }
-#line 11101 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11085 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 583: /* assoc: "local variable or method" "label" arg  */
-#line 4509 "mrbgems/mruby-compiler/core/parse.y"
+#line 4493 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = cons(new_sym(p, (yyvsp[-2].id)), (yyvsp[0].nd));
                     }
-#line 11110 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11094 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 584: /* assoc: "local variable or method" "label"  */
-#line 4514 "mrbgems/mruby-compiler/core/parse.y"
+#line 4498 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = cons(new_sym(p, (yyvsp[-1].id)), label_reference(p, (yyvsp[-1].id)));
                     }
-#line 11118 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11102 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 585: /* assoc: "numbered parameter" "label"  */
-#line 4518 "mrbgems/mruby-compiler/core/parse.y"
+#line 4502 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       mrb_sym sym = intern_numparam((yyvsp[-1].num));
                       (yyval.nd) = cons(new_sym(p, sym), label_reference(p, sym));
                     }
-#line 11127 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11111 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 586: /* assoc: "numbered parameter" "label" arg  */
-#line 4523 "mrbgems/mruby-compiler/core/parse.y"
+#line 4507 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = cons(new_sym(p, intern_numparam((yyvsp[-2].num))), (yyvsp[0].nd));
                     }
-#line 11136 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11120 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 587: /* assoc: string_fragment "label" arg  */
-#line 4528 "mrbgems/mruby-compiler/core/parse.y"
+#line 4512 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       if ((yyvsp[-2].nd)->cdr) {
@@ -11152,75 +11136,75 @@ yyreduce:
                         (yyval.nd) = cons(new_sym(p, new_strsym(p, (yyvsp[-2].nd)->car)), (yyvsp[0].nd));
                       }
                     }
-#line 11156 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11140 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 588: /* assoc: "**" arg  */
-#line 4544 "mrbgems/mruby-compiler/core/parse.y"
+#line 4528 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       void_expr_error(p, (yyvsp[0].nd));
                       (yyval.nd) = cons(new_kw_rest_args(p, 0), (yyvsp[0].nd));
                     }
-#line 11165 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11149 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 589: /* assoc: "**"  */
-#line 4549 "mrbgems/mruby-compiler/core/parse.y"
+#line 4533 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = cons(new_kw_rest_args(p, 0), new_lvar(p, intern_op(pow)));
                     }
+#line 11157 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 602: /* call_op: '.'  */
+#line 4559 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.num) = '.';
+                    }
+#line 11165 "mrbgems/mruby-compiler/core/y.tab.c"
+    break;
+
+  case 603: /* call_op: "&."  */
+#line 4563 "mrbgems/mruby-compiler/core/parse.y"
+                    {
+                      (yyval.num) = 0;
+                    }
 #line 11173 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 602: /* call_op: '.'  */
-#line 4575 "mrbgems/mruby-compiler/core/parse.y"
+  case 605: /* call_op2: "::"  */
+#line 4570 "mrbgems/mruby-compiler/core/parse.y"
                     {
-                      (yyval.num) = '.';
+                      (yyval.num) = tCOLON2;
                     }
 #line 11181 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
-  case 603: /* call_op: "&."  */
-#line 4579 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.num) = 0;
-                    }
-#line 11189 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
-  case 605: /* call_op2: "::"  */
-#line 4586 "mrbgems/mruby-compiler/core/parse.y"
-                    {
-                      (yyval.num) = tCOLON2;
-                    }
-#line 11197 "mrbgems/mruby-compiler/core/y.tab.c"
-    break;
-
   case 614: /* term: ';'  */
-#line 4607 "mrbgems/mruby-compiler/core/parse.y"
+#line 4591 "mrbgems/mruby-compiler/core/parse.y"
                       {yyerrok;}
-#line 11203 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11187 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 616: /* nl: '\n'  */
-#line 4612 "mrbgems/mruby-compiler/core/parse.y"
+#line 4596 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       p->lineno += (yyvsp[0].num);
                       p->column = 0;
                     }
-#line 11212 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11196 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
   case 620: /* none: %empty  */
-#line 4624 "mrbgems/mruby-compiler/core/parse.y"
+#line 4608 "mrbgems/mruby-compiler/core/parse.y"
                     {
                       (yyval.nd) = 0;
                     }
-#line 11220 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11204 "mrbgems/mruby-compiler/core/y.tab.c"
     break;
 
 
-#line 11224 "mrbgems/mruby-compiler/core/y.tab.c"
+#line 11208 "mrbgems/mruby-compiler/core/y.tab.c"
 
       default: break;
     }
@@ -11453,7 +11437,7 @@ yyreturnlab:
   return yyresult;
 }
 
-#line 4628 "mrbgems/mruby-compiler/core/parse.y"
+#line 4612 "mrbgems/mruby-compiler/core/parse.y"
 
 #define pylval  (*((YYSTYPE*)(p->ylval)))