[gnome-builder] gjs-symbols: Fix returning class methods during indexing

[Patrick Griffis <pgriffis src gnome org>]

commit df5f585384a8fddea17d31a7703ea070098a4ee9
Author: Patrick Griffis <tingping tingping se>
Date:   Tue Sep 12 19:11:10 2017 -0400

    gjs-symbols: Fix returning class methods during indexing

 plugins/gjs-symbols/gjs_symbols.py |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/plugins/gjs-symbols/gjs_symbols.py b/plugins/gjs-symbols/gjs_symbols.py
index 1d37b19..59e1a61 100644
--- a/plugins/gjs-symbols/gjs_symbols.py
+++ b/plugins/gjs-symbols/gjs_symbols.py
@@ -320,6 +320,13 @@ class GjsCodeIndexer(Ide.Object, Ide.CodeIndexer):
         }.get(node.props.kind, 'x')
         return prefix + '\x1F' + node.props.name
 
+    @staticmethod
+    def _flatten_node_list(root_node):
+        nodes = [root_node]
+        for node in root_node:
+            nodes += GjsCodeIndexer._flatten_node_list(node)
+        return nodes
+
     def do_index_file(self, file_, build_flags, cancellable):
         if 'node_modules' in file_.get_path().split(os.sep):
             return None  # Avoid indexing these
@@ -341,7 +348,7 @@ class GjsCodeIndexer(Ide.Object, Ide.CodeIndexer):
 
         entries = []
         # TODO: Avoid recreating the same data
-        for node in root_node:
+        for node in self._flatten_node_list(root_node):
             entry = Ide.CodeIndexEntry(
                 key=node.props.file.get_path() + '|' + node.props.name, # Some unique value..
                 name=self._get_node_name(node),