[gnome-builder/wip/highlight] highlight: add some debug helpers

[Christian Hergert <chergert src gnome org>]

commit 0aad9caead1dae317ff3a44f8d936801bbc2cc75
Author: Christian Hergert <christian hergert me>
Date:   Thu Mar 26 14:08:20 2015 -0700

    highlight: add some debug helpers

 libide/ide-highlight-index.c |   24 +++++++++++++++++++++++-
 libide/ide-highlight-index.h |    1 +
 2 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/libide/ide-highlight-index.c b/libide/ide-highlight-index.c
index ff80531..261c253 100644
--- a/libide/ide-highlight-index.c
+++ b/libide/ide-highlight-index.c
@@ -16,6 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <string.h>
 #include <sys/user.h>
 
 #include "ide-highlight-index.h"
@@ -26,6 +27,11 @@ G_DEFINE_BOXED_TYPE (IdeHighlightIndex, ide_highlight_index,
 struct _IdeHighlightIndex
 {
   volatile gint  ref_count;
+
+  /* For debugging info */
+  guint          count;
+  gsize          chunk_size;
+
   GStringChunk  *strings;
   GHashTable    *index;
 };
@@ -51,12 +57,17 @@ ide_highlight_index_insert (IdeHighlightIndex *self,
   gchar *key;
 
   g_assert (self);
-  g_assert (word);
   g_assert (kind != IDE_HIGHLIGHT_KIND_NONE);
 
+  if (word == NULL || word[0] == '\0')
+    return;
+
   if (g_hash_table_contains (self->index, word))
     return;
 
+  self->count++;
+  self->chunk_size += strlen (word) + 1;
+
   key = g_string_chunk_insert (self->strings, word);
   g_hash_table_insert (self->index, key, GINT_TO_POINTER (kind));
 }
@@ -99,3 +110,14 @@ ide_highlight_index_unref (IdeHighlightIndex *self)
       g_free (self);
     }
 }
+
+void
+ide_highlight_index_dump (IdeHighlightIndex *self)
+{
+  g_assert (self);
+
+  g_printerr ("IdeHighlightIndex at %p\n"
+              "       Number of items in Index: %u\n"
+              "   String Chunk Size (Estimate): %"G_GSIZE_FORMAT"\n",
+              self, self->count, self->chunk_size);
+}
diff --git a/libide/ide-highlight-index.h b/libide/ide-highlight-index.h
index c36d173..ab95c00 100644
--- a/libide/ide-highlight-index.h
+++ b/libide/ide-highlight-index.h
@@ -36,6 +36,7 @@ void               ide_highlight_index_insert   (IdeHighlightIndex *self,
                                                  IdeHighlightKind   kind);
 IdeHighlightKind   ide_highlight_index_lookup   (IdeHighlightIndex *self,
                                                  const gchar       *word);
+void               ide_highlight_index_dump     (IdeHighlightIndex *self);
 
 G_DEFINE_AUTOPTR_CLEANUP_FUNC (IdeHighlightIndex, ide_highlight_index_unref)