gdb, gdbsupport: use DISABLE_COPY_AND_ASSIGN in a few spots

Replace some explicitly deleted copy constructor and copy assignment
operator with the DISABLE_COPY_AND_ASSIGN macro for consistency
with the rest of the codebase.

Change-Id: If3fe2c4d7b3cb4530eace86d589116f805c7656f
Approved-By: Tom Tromey <tom@tromey.com>

gdb/cli/cli-script.c

@@ -360,14 +360,13 @@ public:
   {
   }
 
+  DISABLE_COPY_AND_ASSIGN (scoped_restore_hook_in);
+
   ~scoped_restore_hook_in ()
   {
     m_cmd->hook_in = 0;
   }
 
-  scoped_restore_hook_in (const scoped_restore_hook_in &) = delete;
-  scoped_restore_hook_in &operator= (const scoped_restore_hook_in &) = delete;
-
 private:
 
   struct cmd_list_element *m_cmd;

gdb/interps.h

@@ -232,14 +232,13 @@ public:
   {
   }
 
+  DISABLE_COPY_AND_ASSIGN (scoped_restore_interp);
+
   ~scoped_restore_interp ()
   {
     set_interp (m_interp->name ());
   }
 
-  scoped_restore_interp (const scoped_restore_interp &) = delete;
-  scoped_restore_interp &operator= (const scoped_restore_interp &) = delete;
-
 private:
 
   struct interp *set_interp (const char *name);

gdb/language.h

@@ -836,6 +836,8 @@ public:
   /* Set the current language as well.  */
   explicit scoped_restore_current_language (enum language lang);
 
+  DISABLE_COPY_AND_ASSIGN (scoped_restore_current_language);
+
   ~scoped_restore_current_language ();
 
   scoped_restore_current_language (scoped_restore_current_language &&other)
@@ -845,11 +847,6 @@ public:
     other.dont_restore ();
   }
 
-  scoped_restore_current_language (const scoped_restore_current_language &)
-      = delete;
-  scoped_restore_current_language &operator=
-      (const scoped_restore_current_language &) = delete;
-
   /* Cancel restoring on scope exit.  */
   void dont_restore ()
   {

gdb/skip.c

@@ -72,10 +72,6 @@ public:
   void enable () { m_enabled = true; };
   void disable () { m_enabled = false; };
 
-  /* Disable copy.  */
-  skiplist_entry (const skiplist_entry &) = delete;
-  void operator= (const skiplist_entry &) = delete;
-
 private:
   /* Key that grants access to the constructor.  */
   struct private_key {};
@@ -87,6 +83,9 @@ public:
 		  bool function_is_regexp, std::string &&function,
 		  private_key);
 
+  /* Disable copy.  */
+  DISABLE_COPY_AND_ASSIGN (skiplist_entry);
+
 private:
   /* Return true if we're stopped at a file to be skipped.  */
   bool do_skip_file_p (const symtab_and_line &function_sal) const;

gdb/target-descriptions.c

@@ -341,10 +341,9 @@ struct target_desc : tdesc_element
   target_desc ()
   {}
 
-  virtual ~target_desc () = default;
+  DISABLE_COPY_AND_ASSIGN (target_desc);
 
-  target_desc (const target_desc &) = delete;
-  void operator= (const target_desc &) = delete;
+  virtual ~target_desc () = default;
 
   /* The architecture reported by the target, if any.  */
   const struct bfd_arch_info *arch = NULL;

gdb/ui-out.h

@@ -307,14 +307,13 @@ class ui_out
       m_uiout->do_progress_start ();
     }
 
+    DISABLE_COPY_AND_ASSIGN (progress_update);
+
     ~progress_update ()
     {
       m_uiout->do_progress_end ();
     }
 
-    progress_update (const progress_update &) = delete;
-    progress_update &operator= (const progress_update &) = delete;
-
     /* Emit some progress for this progress meter.  Includes current
        amount of progress made and total amount in the display.  */
     void update_progress (const std::string& msg, const char *unit,
@@ -445,8 +444,7 @@ public:
     m_uiout->table_end ();
   }
 
-  ui_out_emit_table (const ui_out_emit_table &) = delete;
-  ui_out_emit_table &operator= (const ui_out_emit_table &) = delete;
+  DISABLE_COPY_AND_ASSIGN (ui_out_emit_table);
 
 private:
 
@@ -471,8 +469,7 @@ public:
     m_uiout->redirect (NULL);
   }
 
-  ui_out_redirect_pop (const ui_out_redirect_pop &) = delete;
-  ui_out_redirect_pop &operator= (const ui_out_redirect_pop &) = delete;
+  DISABLE_COPY_AND_ASSIGN (ui_out_redirect_pop);
 
 private:
   struct ui_out *m_uiout;

gdb/utils.h

@@ -407,14 +407,11 @@ class scoped_restore_warning_hook
 public:
   explicit scoped_restore_warning_hook (warning_hook_handler new_handler);
 
+  DISABLE_COPY_AND_ASSIGN (scoped_restore_warning_hook);
+
   ~scoped_restore_warning_hook ();
 
 private:
-  scoped_restore_warning_hook (const scoped_restore_warning_hook &other)
-    = delete;
-  scoped_restore_warning_hook &operator= (const scoped_restore_warning_hook &)
-    = delete;
-
   warning_hook_handler m_save;
 };
 

gdbsupport/buildargv.h

@@ -52,8 +52,7 @@ public:
   {
   }
 
-  gdb_argv (const gdb_argv &) = delete;
-  gdb_argv &operator= (const gdb_argv &) = delete;
+  DISABLE_COPY_AND_ASSIGN (gdb_argv);
 
   gdb_argv &operator= (gdb_argv &&other)
   {

gdbsupport/cxx-thread.h

@@ -178,10 +178,11 @@ public:
   }
 
   future () = default;
+
+  DISABLE_COPY_AND_ASSIGN (future);
+
   future (future &&other) = default;
-  future (const future &other) = delete;
   future &operator= (future &&other) = default;
-  future &operator= (const future &other) = delete;
 
   void wait () const { }
 

gdbsupport/gdb_argv_vec.h

@@ -48,15 +48,15 @@ public:
     /* Nothing.  */
   }
 
+  /* Don't currently support copying the strings from OTHER.  */
+  DISABLE_COPY_AND_ASSIGN (argv_vec);
+
   /* Move the owned strings from OTHER.  */
   argv_vec (argv_vec &&other)
   {
     this->m_args = std::move (other.m_args);
   }
 
-  /* Don't currently support copying the strings from OTHER.  */
-  argv_vec (const argv_vec &other) = delete;
-
   /* Move elements from OTHER.  Free currently owned strings.  */
   argv_vec &operator= (argv_vec &&other)
   {
@@ -65,9 +65,6 @@ public:
     return *this;
   }
 
-  /* Don't currently support copying the strings from OTHER.  */
-  argv_vec &operator= (const argv_vec &other) = delete;
-
   /* Release the owned strings.  */
   ~argv_vec ()
   {