Split the tui_win_info destructor

This patch adds destructors to tui_source_window and tui_data_window,
and splits ~tui_win_info as appropriate.

gdb/ChangeLog
2019-06-25  Tom Tromey  <tom@tromey.com>

	* tui/tui-data.h (struct tui_source_window)
	(struct tui_data_window): Declare destructors.
	* tui/tui-data.c (~tui_source_window, ~tui_data_window): New
	destructors.
	(tui_win_info): Simplify.

3 files changed, 43 insertions, 37 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 412c442..434d7dd 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,13 @@
 2019-06-25  Tom Tromey  <tom@tromey.com>
 
+	* tui/tui-data.h (struct tui_source_window)
+	(struct tui_data_window): Declare destructors.
+	* tui/tui-data.c (~tui_source_window, ~tui_data_window): New
+	destructors.
+	(tui_win_info): Simplify.
+
+2019-06-25  Tom Tromey  <tom@tromey.com>
+
 	* tui/tui-winsource.c (tui_display_main)
 	(tui_update_source_windows_with_addr)
 	(tui_update_all_breakpoint_info): Update.
diff --git a/gdb/tui/tui-data.c b/gdb/tui/tui-data.c
index d9b8bd6..d24941c 100644
--- a/gdb/tui/tui-data.c
+++ b/gdb/tui/tui-data.c
@@ -617,47 +617,43 @@ tui_add_content_elements (struct tui_gen_win_info *win_info,
   return index_start;
 }
 
-tui_win_info::~tui_win_info ()
+tui_source_window::~tui_source_window ()
 {
-  struct tui_gen_win_info *generic_win;
+  if (detail.source_info.fullname)
+    {
+      xfree (detail.source_info.fullname);
+      detail.source_info.fullname = NULL;
+    }
+  struct tui_gen_win_info *generic_win = detail.source_info.execution_info;
+  if (generic_win != NULL)
+    {
+      tui_delete_win (generic_win->handle);
+      generic_win->handle = NULL;
+      tui_free_win_content (generic_win);
+    }
+}  
 
-  switch (generic.type)
+tui_data_window::~tui_data_window ()
+{
+  if (generic.content != NULL)
     {
-    case SRC_WIN:
-    case DISASSEM_WIN:
-      if (detail.source_info.fullname)
-        {
-          xfree (detail.source_info.fullname);
-          detail.source_info.fullname = NULL;
-        }
-      generic_win = detail.source_info.execution_info;
-      if (generic_win != NULL)
-	{
-	  tui_delete_win (generic_win->handle);
-	  generic_win->handle = NULL;
-	  tui_free_win_content (generic_win);
-	}
-      break;
-    case DATA_WIN:
-      if (generic.content != NULL)
-	{
-	  tui_free_data_content (detail.data_display_info.regs_content,
-				 detail.data_display_info.regs_content_count);
-	  detail.data_display_info.regs_content = NULL;
-	  detail.data_display_info.regs_content_count = 0;
-	  tui_free_data_content (detail.data_display_info.data_content,
-				 detail.data_display_info.data_content_count);
-	  detail.data_display_info.data_content = NULL;
-	  detail.data_display_info.data_content_count = 0;
-	  detail.data_display_info.regs_column_count = 1;
-	  detail.data_display_info.display_regs = FALSE;
-	  generic.content = NULL;
-	  generic.content_size = 0;
-	}
-      break;
-    default:
-      break;
+      tui_free_data_content (detail.data_display_info.regs_content,
+			     detail.data_display_info.regs_content_count);
+      detail.data_display_info.regs_content = NULL;
+      detail.data_display_info.regs_content_count = 0;
+      tui_free_data_content (detail.data_display_info.data_content,
+			     detail.data_display_info.data_content_count);
+      detail.data_display_info.data_content = NULL;
+      detail.data_display_info.data_content_count = 0;
+      detail.data_display_info.regs_column_count = 1;
+      detail.data_display_info.display_regs = FALSE;
+      generic.content = NULL;
+      generic.content_size = 0;
     }
+}  
+
+tui_win_info::~tui_win_info ()
+{
   if (generic.handle != NULL)
     {
       tui_delete_win (generic.handle);
diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h
index 8008893..7adeb56 100644
--- a/gdb/tui/tui-data.h
+++ b/gdb/tui/tui-data.h
@@ -294,6 +294,7 @@ public:
 struct tui_source_window : public tui_win_info
 {
   explicit tui_source_window (enum tui_win_type type);
+  ~tui_source_window () override;
   DISABLE_COPY_AND_ASSIGN (tui_source_window);
 
   void clear_detail () override;
@@ -302,6 +303,7 @@ struct tui_source_window : public tui_win_info
 struct tui_data_window : public tui_win_info
 {
   tui_data_window ();
+  ~tui_data_window () override;
   DISABLE_COPY_AND_ASSIGN (tui_data_window);
 
   void clear_detail () override;