add Command::Unit to describe similar fields between main command and motions

src/core/Command.cc

@@ -1,12 +1,2 @@
 #include "Command.h"
 #include <string.h>
-
-Command::Command()
-{
-    id = NOP;
-    count = 0u;
-    following_char = 0u;
-    motion.id = Motion::NOP;
-    motion.count = 0u;
-    motion.following_char = 0u;
-}

src/core/Command.h

@@ -33,18 +33,24 @@ public:
             BACK_UP_TO_CHAR,
             BACK_ON_TO_CHAR,
         };
-
-        uint32_t id;
-        uint32_t count;
-        uint32_t following_char;
     };
 
+    struct Unit
+    {
         uint32_t id;
         uint32_t count;
         uint32_t following_char;
-    Motion motion;
 
-    Command();
+        Unit()
+        {
+            id = 0u;
+            count = 0u;
+            following_char = 0u;
+        }
+    };
+
+    Unit main;
+    Unit motion;
 };
 
 #endif

src/core/CommandMap.cc

@@ -52,7 +52,7 @@ std::shared_ptr<Command> CommandMap::get_command(uint32_t * command_characters,
                 if (in_motion)
                     command.motion.id = node->id;
                 else
-                    command.id = node->id;
+                    command.main.id = node->id;
                 if (node->flags & Node::FLAG_FOLLOWING_CHAR)
                 {
                     if (i < (length - 1u))
@@ -60,7 +60,7 @@ std::shared_ptr<Command> CommandMap::get_command(uint32_t * command_characters,
                         if (in_motion)
                             command.motion.following_char = command_characters[i + 1u];
                         else
-                            command.following_char = command_characters[i + 1u];
+                            command.main.following_char = command_characters[i + 1u];
                         return std::make_shared<Command>(command);
                     }
                 }