--- a/src/gearsTools/trans_impl.pl	Tue Feb 04 12:30:09 2020 +0900
+++ b/src/gearsTools/trans_impl.pl	Tue Feb 04 13:28:20 2020 +0900
@@ -99,32 +99,6 @@
         }
   }
 
-  #for my $datum (@inter_data) {
-  #      # remove macro, comment block
-  #      $datum =~ s|//[\s\w]+||;
-  #      if ($datum =~ /^\s+#/) {
-  #        next;
-  #      }
-
-  #      if ($datum =~ /\w+\s\w+\*\s(\w+)/) {
-  #          print $out "    ${instance_inter}->$1 = NULL;\n";
-  #          next;
-  #      }
-  #      if ($datum =~ /\w+\s\w+\s(\w+)/) {
-  #          print $out "    ${instance_inter}->$1 = 0;\n";
-  #          next;
-  #      }
-  #      if ($datum =~ /\w+(\*)?\s(\w+)/) {
-  #          my $is_pointer = $1;
-  #          my $var_name = $2;
-  #          if ($1) {
-  #              print $out "    ${instance_inter}->$var_name = NULL;\n";
-  #          } else {
-  #              print $out "    ${instance_inter}->$var_name  = 0;\n";
-  #          }
-  #      }
-  #}
-
 
   for my $code (@{$impl_ir->{codes}}) {
       my $code_gear = $code->{name};
@@ -167,24 +141,8 @@
       }
       print $out "__code $cg->{name}$impl(";
       print $out "$data_gears) {\n\n";
-
-      #__code next(...), __code whenEmpty(...)
-      my @cg = ();
-      while ($data_gears =~ /__code ([\w(\.)\*\s,]+?\)),?/g) {
-        push(@cg, $1);
-      }
+      _emit_cg($out,$data_gears);
 
-      if (@cg) {
-        if (@cg == 2) {
-          print $out "    if (:TODO:) {\n";
-          print $out "         goto ",shift(@cg),";\n";
-          print $out "    }\n";
-          print $out "    goto ",shift(@cg),";\n";
-        } else {
-          print $out "    goto ",shift(@cg),";\n";
-        }
-      }
-      print $out "}\n\n";
     }
   }
 
@@ -198,23 +156,25 @@
 
     print $out "__code $code_ir->{name}$impl(";
     print $out "$data_gears) {\n\n";
-
-    #__code next(...), __code whenEmpty(...)
-    my @cg = ();
-    while ($data_gears =~ /__code ([\w(\.)\*\s,]+?\)),?/g) {
-      push(@cg, $1);
-    }
-
-    if (@cg) {
-      if (@cg == 2) {
-        print $out "    if (:TODO:) {\n";
-        print $out "         goto ",shift(@cg),";\n";
-        print $out "    }\n";
-        print $out "    goto ",shift(@cg),";\n";
-      } else {
-        print $out "    goto ",shift(@cg),";\n";
-      }
-    }
-    print $out "}\n\n";
+    _emit_cg($out,$data_gears);
   }
 }
+
+sub _emit_cg {
+  my ($out, $data_gears) = @_;
+  my @cg = ();
+  while ($data_gears =~ /__code ([\w(\.)\*\s,]+?\)),?/g) {
+    push(@cg, $1);
+  }
+  if (@cg) {
+    if (@cg == 2) {
+      print $out "    if (:TODO:) {\n";
+      print $out "         goto ",shift(@cg),";\n";
+      print $out "    }\n";
+      print $out "    goto ",shift(@cg),";\n";
+    } else {
+      print $out "    goto ",shift(@cg),";\n";
+    }
+  }
+  print $out "}\n\n";
+}