Introduce tui_source_window_base::location_matches_p method

This introduces the location_matches_p method, removing a spot that
explicitly examines a window's type.

gdb/ChangeLog
2019-07-17  Tom Tromey  <tom@tromey.com>

	* tui/tui-winsource.c (tui_update_breakpoint_info): Use
	location_matches_p.
	* tui/tui-source.c (tui_source_window::location_matches_p): New
	method.
	* tui/tui-disasm.c (tui_disasm_window::location_matches_p): New
	method.
	* tui/tui-data.h (struct tui_source_window_base)
	<location_matches_p>: New method.
	(struct tui_source_window, struct tui_disasm_window)
	<location_matches_p>: Likewise.

5 files changed, 39 insertions, 10 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 9844ec1..496819d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,18 @@
 2019-07-17  Tom Tromey  <tom@tromey.com>
 
+	* tui/tui-winsource.c (tui_update_breakpoint_info): Use
+	location_matches_p.
+	* tui/tui-source.c (tui_source_window::location_matches_p): New
+	method.
+	* tui/tui-disasm.c (tui_disasm_window::location_matches_p): New
+	method.
+	* tui/tui-data.h (struct tui_source_window_base)
+	<location_matches_p>: New method.
+	(struct tui_source_window, struct tui_disasm_window)
+	<location_matches_p>: Likewise.
+
+2019-07-17  Tom Tromey  <tom@tromey.com>
+
 	* tui/tui-win.c (tui_set_win_height_command): Rename from
 	tui_set_win_height.
 	(tui_set_win_height_command): Remove.
diff --git a/gdb/tui/tui-data.h b/gdb/tui/tui-data.h
index be951b4..472fa2e 100644
--- a/gdb/tui/tui-data.h
+++ b/gdb/tui/tui-data.h
@@ -404,6 +404,10 @@ public:
 
   void update_tab_width () override;
 
+  /* Return true if the location LOC corresponds to the line number
+     LINE_NO in this source window; false otherwise.  */
+  virtual bool location_matches_p (struct bp_location *loc, int line_no) = 0;
+
   /* Does the locator belong to this window?  */
   bool m_has_locator = false;
   /* Execution information window.  */
@@ -435,6 +439,8 @@ struct tui_source_window : public tui_source_window_base
     return SRC_NAME;
   }
 
+  bool location_matches_p (struct bp_location *loc, int line_no) override;
+
 protected:
 
   void do_scroll_vertical (int num_to_scroll) override;
@@ -463,6 +469,8 @@ struct tui_disasm_window : public tui_source_window_base
     return DISASSEM_NAME;
   }
 
+  bool location_matches_p (struct bp_location *loc, int line_no) override;
+
 protected:
 
   void do_scroll_vertical (int num_to_scroll) override;
diff --git a/gdb/tui/tui-disasm.c b/gdb/tui/tui-disasm.c
index b22368e..af1a740 100644
--- a/gdb/tui/tui-disasm.c
+++ b/gdb/tui/tui-disasm.c
@@ -375,3 +375,10 @@ tui_disasm_window::do_scroll_vertical (int num_to_scroll)
 				      NULL, val, FALSE);
     }
 }
+
+bool
+tui_disasm_window::location_matches_p (struct bp_location *loc, int line_no)
+{
+  return (content[line_no].line_or_addr.loa == LOA_ADDRESS
+	  && content[line_no].line_or_addr.u.addr == loc->address);
+}
diff --git a/gdb/tui/tui-source.c b/gdb/tui/tui-source.c
index 34cb38b..2ca21dc 100644
--- a/gdb/tui/tui-source.c
+++ b/gdb/tui/tui-source.c
@@ -345,3 +345,13 @@ tui_source_window::style_changed ()
   if (tui_active && is_visible)
     refill ();
 }
+
+bool
+tui_source_window::location_matches_p (struct bp_location *loc, int line_no)
+{
+  return (content[line_no].line_or_addr.loa == LOA_LINE
+	  && content[line_no].line_or_addr.u.line_no == loc->line_number
+	  && loc->symtab != NULL
+	  && filename_cmp (fullname,
+			   symtab_to_fullname (loc->symtab)) == 0);
+}
diff --git a/gdb/tui/tui-winsource.c b/gdb/tui/tui-winsource.c
index 22cd54e..03dd1b4 100644
--- a/gdb/tui/tui-winsource.c
+++ b/gdb/tui/tui-winsource.c
@@ -410,7 +410,6 @@ tui_update_breakpoint_info (struct tui_source_window_base *win,
 {
   int i;
   bool need_refresh = false;
-  tui_source_window_base *src = (tui_source_window_base *) win;
 
   for (i = 0; i < win->content.size (); i++)
     {
@@ -440,15 +439,7 @@ tui_update_breakpoint_info (struct tui_source_window_base *win,
 
 	  for (loc = bp->loc; loc != NULL; loc = loc->next)
 	    {
-	      if ((win == TUI_SRC_WIN
-		   && loc->symtab != NULL
-		   && filename_cmp (src->fullname,
-				    symtab_to_fullname (loc->symtab)) == 0
-		   && line->line_or_addr.loa == LOA_LINE
-		   && loc->line_number == line->line_or_addr.u.line_no)
-		  || (win == TUI_DISASM_WIN
-		      && line->line_or_addr.loa == LOA_ADDRESS
-		      && loc->address == line->line_or_addr.u.addr))
+	      if (win->location_matches_p (loc, i))
 		{
 		  if (bp->enable_state == bp_disabled)
 		    mode |= TUI_BP_DISABLED;