scanner: support typedefs for container types

Inside an alias definition, we only need the name of the alias target
type.  Add a method to GIRWriter to write out a type reference rather
than full type definition and use it when writing out an alias.

Determine introspectableness of aliases in IntrospectablePass so functions
using aliases can be marked not-introspectable if the alias itself is not.

https://bugzilla.gnome.org/show_bug.cgi?id=629682

1 files changed, 7 insertions, 0 deletions

diff --git a/giscanner/introspectablepass.py b/giscanner/introspectablepass.py
index 8aa7f8d3..4b35f7d9 100644
--- a/giscanner/introspectablepass.py
+++ b/giscanner/introspectablepass.py
@@ -31,6 +31,7 @@ class IntrospectablePass(object):
     # Public API
 
     def validate(self):
+        self._namespace.walk(self._introspectable_alias_analysis)
         self._namespace.walk(self._propagate_callable_skips)
         self._namespace.walk(self._analyze_node)
         self._namespace.walk(self._introspectable_callable_analysis)
@@ -166,6 +167,12 @@ class IntrospectablePass(object):
         if target.skip:
             parent.skip = True
 
+    def _introspectable_alias_analysis(self, obj, stack):
+        if isinstance(obj, ast.Alias):
+            if not self._type_is_introspectable(obj.target):
+                obj.introspectable = False
+        return True
+
     def _propagate_callable_skips(self, obj, stack):
         if isinstance(obj, ast.Callable):
             for param in obj.parameters: