Add support for gtk-doc annotations for allow-none. Add test case.

2008-06-20  Johan Dahlin  <jdahlin@async.com.br>

    * giscanner/ast.py:
    * giscanner/girwriter.py:
    * giscanner/transformer.py:
    * tests/parser/Foo-expected.gir:
    * tests/parser/foo-object.h:
    * tests/parser/foo.c (foo_object_allow_none):
    Add support for gtk-doc annotations for allow-none.
    Add test case.


svn path=/trunk/; revision=291

3 files changed, 5 insertions, 0 deletions

diff --git a/giscanner/ast.py b/giscanner/ast.py
index 80d5f968..ca5e66d5 100644
--- a/giscanner/ast.py
+++ b/giscanner/ast.py
@@ -142,6 +142,7 @@ class Parameter(Node):
         self.type = typenode
         self.direction = PARAM_DIRECTION_IN
         self.transfer = False
+        self.allow_none = False
 
     def __repr__(self):
         return 'Parameter(%r, %r)' % (self.name, self.type)
diff --git a/giscanner/girwriter.py b/giscanner/girwriter.py
index 389c05fa..af297e79 100644
--- a/giscanner/girwriter.py
+++ b/giscanner/girwriter.py
@@ -110,6 +110,8 @@ class GIRWriter(XMLWriter):
         if parameter.transfer:
             attrs.append(('transfer-ownership',
                           str(int(parameter.transfer))))
+        if parameter.allow_none:
+            attrs.append(('allow-none', '1'))
         with self.tagcontext('parameter', attrs):
             self._write_type(parameter.type)
 
diff --git a/giscanner/transformer.py b/giscanner/transformer.py
index 5a6b021b..6f7e2a35 100644
--- a/giscanner/transformer.py
+++ b/giscanner/transformer.py
@@ -221,6 +221,8 @@ class Transformer(object):
                 param.direction = 'out'
             elif option == 'callee-owns':
                 param.transfer = True
+            elif option == 'allow-none':
+                param.allow_none = True
             else:
                 print 'Unhandled parameter annotation option: %s' % (
                     option,)