[gobject-introspection/wip/transformer] Implement clone() correctly for subtypes

[Colin Walters <walters src gnome org>]

commit 3d7e5539e4888f4a3ca28a015570feb45bf2b1cf
Author: Colin Walters <walters verbum org>
Date:   Thu Jul 29 19:07:11 2010 -0400

    Implement clone() correctly for subtypes
    
    Calling .clone() on an Array was broken before.

 giscanner/ast.py |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/giscanner/ast.py b/giscanner/ast.py
index 3b38235..f9e9084 100755
--- a/giscanner/ast.py
+++ b/giscanner/ast.py
@@ -524,6 +524,14 @@ class Array(Type):
         self.length_param_name = None
         self.size = None
 
+    def clone(self):
+        arr = Array(self.array_type, self.element_type)
+        arr.element_type = self.element_type
+        arr.zeroterminated = self.zeroterminated
+        arr.length_param_index = self.length_param_index
+        arr.length_param_name = self.length_param_name
+        arr.size = self.size
+        return arr
 
 class List(Type):
 
@@ -534,6 +542,14 @@ class List(Type):
         assert isinstance(element_type, Type)
         self.element_type = element_type
 
+    def clone(self):
+        l = List(self.name, self.element_type)
+        l.element_type = self.element_type
+        l.zeroterminated = self.zeroterminated
+        l.length_param_index = self.length_param_index
+        l.length_param_name = self.length_param_name
+        l.size = self.size
+        return l
 
 class Map(Type):
 
@@ -544,6 +560,9 @@ class Map(Type):
         assert isinstance(value_type, Type)
         self.value_type = value_type
 
+    def clone(self):
+        m = Map(self.ctype, self.key_type, self.value_type)
+        return m
 
 class Alias(Node):