giscanner: Correctly consume field annotations on structs

A hidden exception was being thrown (which we now log), due to fields
being treated as function parameters. Fixed to make field array
annotations be transformed and written out to the gir correctly.

https://bugzilla.gnome.org/show_bug.cgi?id=710561

1 files changed, 12 insertions, 0 deletions

diff --git a/giscanner/ast.py b/giscanner/ast.py
index a30a6a72..bd536c63 100644
--- a/giscanner/ast.py
+++ b/giscanner/ast.py
@@ -888,6 +888,18 @@ class Compound(Node, Registered):
             if field.anonymous_node is not None:
                 field.anonymous_node.walk(callback, chain)
 
+    def get_field(self, name):
+        for field in self.fields:
+            if field.name == name:
+                return field
+        raise ValueError("Unknown field %s" % (name, ))
+
+    def get_field_index(self, name):
+        for i, field in enumerate(self.fields):
+            if field.name == name:
+                return i
+        raise ValueError("Unknown field %s" % (name, ))
+
 
 class Field(Annotated):