[gnome-builder/wip/gtk4-port] libide/code: add ide_location_equal()

[Christian Hergert <chergert src gnome org>]

commit d0a2531a1d50ae9ce18c2863fc00909f2b99ca7b
Author: Christian Hergert <chergert redhat com>
Date:   Fri May 20 14:36:24 2022 -0700

    libide/code: add ide_location_equal()

 src/libide/code/ide-location.c | 27 +++++++++++++++++++++++++++
 src/libide/code/ide-location.h |  3 +++
 2 files changed, 30 insertions(+)
---
diff --git a/src/libide/code/ide-location.c b/src/libide/code/ide-location.c
index 27c903af0..1903399de 100644
--- a/src/libide/code/ide-location.c
+++ b/src/libide/code/ide-location.c
@@ -501,3 +501,30 @@ ide_location_hash (IdeLocation *self)
 
   return g_file_hash (priv->file) ^ g_int_hash (&priv->line) ^ g_int_hash (&priv->line_offset);
 }
+
+gboolean
+ide_location_equal (IdeLocation *a,
+                    IdeLocation *b)
+{
+  IdeLocationPrivate *a_priv = ide_location_get_instance_private (a);
+  IdeLocationPrivate *b_priv = ide_location_get_instance_private (b);
+
+  g_return_val_if_fail (!a || IDE_IS_LOCATION (a), FALSE);
+  g_return_val_if_fail (!b || IDE_IS_LOCATION (b), FALSE);
+
+  if (a == NULL || b == NULL)
+    return FALSE;
+
+  if (a_priv->file == NULL || b_priv->file == NULL)
+    return FALSE;
+
+  if (G_OBJECT_TYPE (a) != G_OBJECT_TYPE (b))
+    return FALSE;
+
+  if (!g_file_equal (a_priv->file, b_priv->file))
+    return FALSE;
+
+  return a_priv->line == b_priv->line &&
+         a_priv->line_offset == b_priv->line_offset &&
+         a_priv->offset == b_priv->offset;
+}
diff --git a/src/libide/code/ide-location.h b/src/libide/code/ide-location.h
index 1820a8027..c462d3bae 100644
--- a/src/libide/code/ide-location.h
+++ b/src/libide/code/ide-location.h
@@ -71,5 +71,8 @@ gboolean     ide_location_compare          (IdeLocation *a,
                                             IdeLocation *b);
 IDE_AVAILABLE_IN_3_32
 guint        ide_location_hash             (IdeLocation *self);
+IDE_AVAILABLE_IN_ALL
+gboolean     ide_location_equal            (IdeLocation *a,
+                                            IdeLocation *b);
 
 G_END_DECLS