[gnome-builder] snippet: add ide_source_snippet_dump()

[Christian Hergert <chergert src gnome org>]

commit 2f695d75e36d5bf02fd46f800ada096c40d61788
Author: Christian Hergert <chergert redhat com>
Date:   Wed Nov 9 17:10:19 2016 -0800

    snippet: add ide_source_snippet_dump()
    
    This adds a debugger helper that dumps information about the snippet
    including the run position.

 libide/snippets/ide-source-snippet-private.h |    1 +
 libide/snippets/ide-source-snippet.c         |   42 ++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 0 deletions(-)
---
diff --git a/libide/snippets/ide-source-snippet-private.h b/libide/snippets/ide-source-snippet-private.h
index 47957b0..45bdc1b 100644
--- a/libide/snippets/ide-source-snippet-private.h
+++ b/libide/snippets/ide-source-snippet-private.h
@@ -51,6 +51,7 @@ void             ide_source_snippet_after_delete_range  (IdeSourceSnippet  *snip
                                                          GtkTextIter       *end)     G_GNUC_INTERNAL;
 gboolean         ide_source_snippet_insert_set          (IdeSourceSnippet  *snippet,
                                                          GtkTextMark       *mark)    G_GNUC_INTERNAL;
+void             ide_source_snippet_dump                (IdeSourceSnippet  *self);
 
 
 G_END_DECLS
diff --git a/libide/snippets/ide-source-snippet.c b/libide/snippets/ide-source-snippet.c
index e6a65fa..33ec0fa 100644
--- a/libide/snippets/ide-source-snippet.c
+++ b/libide/snippets/ide-source-snippet.c
@@ -1117,3 +1117,45 @@ ide_source_snippet_init (IdeSourceSnippet *self)
   self->chunks = g_ptr_array_new_with_free_func (g_object_unref);
   self->runs = g_array_new (FALSE, FALSE, sizeof (gint));
 }
+
+void
+ide_source_snippet_dump (IdeSourceSnippet *self)
+{
+  guint offset = 0;
+
+  g_return_if_fail (IDE_IS_SOURCE_SNIPPET (self));
+
+  /* For debugging purposes */
+
+  g_printerr ("Snippet(trigger=%s, language=%s, tab_stop=%d, current_chunk=%d)\n",
+              self->trigger, self->language ?: "none", self->tab_stop, self->current_chunk);
+
+  g_assert (self->chunks->len == self->runs->len);
+
+  for (guint i = 0; i < self->chunks->len; i++)
+    {
+      IdeSourceSnippetChunk *chunk = g_ptr_array_index (self->chunks, i);
+      g_autofree gchar *spec_escaped = NULL;
+      g_autofree gchar *text_escaped = NULL;
+      const gchar *spec;
+      const gchar *text;
+      gint run_length = g_array_index (self->runs, gint, i);
+
+      g_assert (IDE_IS_SOURCE_SNIPPET_CHUNK (chunk));
+
+      text = ide_source_snippet_chunk_get_text (chunk);
+      text_escaped = g_strescape (text, NULL);
+
+      spec = ide_source_snippet_chunk_get_spec (chunk);
+      spec_escaped = g_strescape (spec, NULL);
+
+      g_printerr ("  Chunk(nth=%d, tab_stop=%d, position=%d (%d), spec=%s, text=%s)\n",
+                  i,
+                  ide_source_snippet_chunk_get_tab_stop (chunk),
+                  offset, run_length,
+                  spec_escaped,
+                  text_escaped);
+
+      offset += run_length;
+    }
+}