[gtksourceview] view: provide duration for cost of syntax updating

[Christian Hergert <chergert src gnome org>]

commit aaa059c3b502d33fe3a0054e3ba6ecaf9f69d00b
Author: Christian Hergert <chergert redhat com>
Date:   Sat Feb 27 13:31:51 2021 -0800

    view: provide duration for cost of syntax updating
    
    This is useful to see how much time we're spending in the synchronous
    updating of a rectangle region to highlight.

 gtksourceview/gtksourceview.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 20a7715a..19c91cc3 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -2248,26 +2248,27 @@ gtk_source_view_ensure_redrawn_rect_is_highlighted (GtkSourceView *view,
 {
        GtkSourceViewPrivate *priv = gtk_source_view_get_instance_private (view);
        GtkTextIter iter1, iter2;
+       char *message = NULL;
+
+       GTK_SOURCE_PROFILER_BEGIN_MARK;
 
        gtk_text_view_get_line_at_y (GTK_TEXT_VIEW (view), &iter1, clip->y, NULL);
        gtk_text_iter_backward_line (&iter1);
        gtk_text_view_get_line_at_y (GTK_TEXT_VIEW (view), &iter2, clip->y + clip->height, NULL);
        gtk_text_iter_forward_line (&iter2);
 
-       if (GTK_SOURCE_PROFILER_ACTIVE)
-       {
-               char *message = g_strdup_printf ("Area: Y=%d Height=%d BeginLine=%d EndLine=%d",
-                                                clip->y, clip->height,
-                                                gtk_text_iter_get_line (&iter1),
-                                                gtk_text_iter_get_line (&iter2));
-               GTK_SOURCE_PROFILER_MARK (0, "GtkSourceView::IsHighlighted", message);
-               g_free (message);
-       }
-
        _gtk_source_buffer_update_syntax_highlight (priv->source_buffer,
                                                    &iter1, &iter2, FALSE);
        _gtk_source_buffer_update_search_highlight (priv->source_buffer,
                                                    &iter1, &iter2, FALSE);
+
+       if (GTK_SOURCE_PROFILER_ACTIVE)
+               message = g_strdup_printf ("Area: Y=%d Height=%d BeginLine=%d EndLine=%d",
+                                        clip->y, clip->height,
+                                        gtk_text_iter_get_line (&iter1),
+                                        gtk_text_iter_get_line (&iter2));
+       GTK_SOURCE_PROFILER_END_MARK ("GtkSourceView::IsHighlighted", message);
+       g_free (message);
 }
 
 /* This function is taken from gtk+/tests/testtext.c */