Change tui_line_is_displayed to be a method

[thirdparty/binutils-gdb.git] / gdb / tui / tui-source.h

diff --git a/gdb/tui/tui-source.h b/gdb/tui/tui-source.h
index 3b61ca4374de55ccda1faaba997666c9c8a7fded..4233879094721bb4370a941fa8a6235cb93fc34d 100644 (file)
--- a/gdb/tui/tui-source.h
+++ b/gdb/tui/tui-source.h
@@ -1,7 +1,6 @@
 /* TUI display source window.
 
-   Copyright 1998, 1999, 2000, 2001, 2002, 2004 Free Software
-   Foundation, Inc.
+   Copyright (C) 1998-2019 Free Software Foundation, Inc.
 
    Contributed by Hewlett-Packard Company.
 
@@ -9,7 +8,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -18,23 +17,62 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifndef TUI_SOURCE_H
-#define TUI_SOURCE_H
+#ifndef TUI_TUI_SOURCE_H
+#define TUI_TUI_SOURCE_H
 
 #include "tui/tui-data.h"
+#include "tui-winsource.h"
 
 struct symtab;
-struct tui_win_info;
 
-extern void tui_set_source_content_nil (struct tui_win_info *, char *);
+/* A TUI source window.  */
 
-extern enum tui_status tui_set_source_content (struct symtab *, int, int);
-extern void tui_show_symtab_source (struct symtab *, union tui_line_or_address, int);
-extern int tui_source_is_displayed (char *);
-extern void tui_vertical_source_scroll (enum tui_scroll_direction, int);
+struct tui_source_window : public tui_source_window_base
+{
+  tui_source_window ();
+  ~tui_source_window ();
 
-#endif
+  DISABLE_COPY_AND_ASSIGN (tui_source_window);
+
+  const char *name () const override
+  {
+    return SRC_NAME;
+  }
+
+  /* Return true if the location LOC corresponds to the line number
+     LINE_NO in this source window; false otherwise.  */
+  bool location_matches_p (struct bp_location *loc, int line_no) override;
+
+  bool showing_source_p (const char *filename) const;
+
+  void maybe_update (struct frame_info *fi, symtab_and_line sal,
+                    int line_no, CORE_ADDR addr)
+    override;
+
+protected:
+
+  void do_scroll_vertical (int num_to_scroll) override;
+
+private:
+
+  void style_changed ();
+
+  /* Answer whether a particular line number or address is displayed
+     in the current source window.  */
+  bool line_is_displayed (int line) const;
+
+  /* A token used to register and unregister an observer.  */
+  gdb::observers::token m_observable;
+};
+
+extern enum tui_status tui_set_source_content (tui_source_window_base *,
+                                              struct symtab *, 
+                                              int, int);
+extern void tui_show_symtab_source (tui_source_window_base *,
+                                   struct gdbarch *, struct symtab *,
+                                   struct tui_line_or_address,
+                                   int);
+
+#endif /* TUI_TUI_SOURCE_H */