From c8d74a7b4b341f7498a3827555451924cabdd0f1 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tom@tromey.com>
Date: Sat, 1 Jan 2022 01:34:48 -0700
Subject: Add style-escape methods to ui_file

This adds emit_style_escape and reset_style methods to ui_file.  These
aren't used yet, but they will be once the pager is converted to be a
ui_file subclass.
---
 gdb/ui-file.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'gdb/ui-file.c')

diff --git a/gdb/ui-file.c b/gdb/ui-file.c
index 354a7c3..2072fd8 100644
--- a/gdb/ui-file.c
+++ b/gdb/ui-file.c
@@ -74,6 +74,30 @@ ui_file::vprintf (const char *format, va_list args)
 /* See ui-file.h.  */
 
 void
+ui_file::emit_style_escape (const ui_file_style &style)
+{
+  if (can_emit_style_escape () && style != m_applied_style)
+    {
+      m_applied_style = style;
+      this->puts (style.to_ansi ().c_str ());
+    }
+}
+
+/* See ui-file.h.  */
+
+void
+ui_file::reset_style ()
+{
+  if (can_emit_style_escape ())
+    {
+      m_applied_style = ui_file_style ();
+      this->puts (m_applied_style.to_ansi ().c_str ());
+    }
+}
+
+/* See ui-file.h.  */
+
+void
 ui_file::printchar (int c, int quoter, bool async_safe)
 {
   char buf[4];
-- 
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