[gobject-introspection/wip/transformer] Implement return value display

[Colin Walters <walters src gnome org>]

commit 74d483816ab8eed823b8848f471f11ab1f1dbd59
Author: Zachary Goldberg <zgoldberg src gnome org>
Date:   Thu Jul 29 06:24:04 2010 -0400

    Implement return value display

 giscanner/gicodeformatters.py |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/giscanner/gicodeformatters.py b/giscanner/gicodeformatters.py
index dc6c3a8..2dbcf00 100644
--- a/giscanner/gicodeformatters.py
+++ b/giscanner/gicodeformatters.py
@@ -148,6 +148,13 @@ class DocBookFormatter(object):
         writer.write_line(");\n")
         
         if divs:
+            retval = Parameter("Returns", method.retval.type, direction="out",
+                               transfer=method.retval.transfer)
+            retval.introspectable = method.retval.introspectable
+            retval.doc = method.retval.doc
+            if str(retval.type.ctype) != "void":
+                parameters.append(retval)
+
             writer.pop_tag()        
             writer.write_tag("para", [], method.doc)
             writer.push_tag("variablelist", [("role", "params")])