Use absolute imports in xcbgen for Python 3 compatibility

[free-sw/xcb/proto] / xcbgen / xtypes.py

diff --git a/xcbgen/xtypes.py b/xcbgen/xtypes.py
index abfb841..14c318a 100644 (file)
--- a/xcbgen/xtypes.py
+++ b/xcbgen/xtypes.py
@@ -1,7 +1,7 @@
 '''
 This module contains the classes which represent XCB data types.
 '''
-from expr import Field, Expression
+from xcbgen.expr import Field, Expression
 import __main__
 
 class Type(object):
@@ -159,7 +159,7 @@ class ListType(Type):
         Type.__init__(self, member.name)
         self.is_list = True
         self.member = member
-        self.parent = list(parent)
+        self.parents = list(parent)
 
         if elt.tag == 'list':
             elts = list(elt)
@@ -180,7 +180,7 @@ class ListType(Type):
             needlen = True
 
             # See if the length field is already in the structure.
-            for parent in self.parent:
+            for parent in self.parents:
                 for field in parent.fields:
                     if field.field_name == lenfield_name:
                         needlen = False
@@ -198,12 +198,12 @@ class ListType(Type):
         if self.resolved:
             return
         self.member.resolve(module)
-        self.expr.resolve(module, self.parent)
+        self.expr.resolve(module, self.parents)
 
         # Find my length field again.  We need the actual Field object in the expr.
         # This is needed because we might have added it ourself above.
         if not self.fixed_size():
-            for parent in self.parent:
+            for parent in self.parents:
                 for field in parent.fields:
                     if field.field_name == self.expr.lenfield_name and field.wire:
                         self.expr.lenfield = field
@@ -357,7 +357,7 @@ class SwitchType(ComplexType):
 
     def __init__(self, name, elt, *parents):
         ComplexType.__init__(self, name, elt)
-        self.parent = parents
+        self.parents = parents
         # FIXME: switch cannot store lenfields, so it should just delegate the parents
         self.lenfield_parent = list(parents) + [self]
         # self.fields contains all possible fields collected from the Bitcase objects, 
@@ -373,21 +373,29 @@ class SwitchType(ComplexType):
             return
 #        pads = 0
 
-        parents = list(self.parent) + [self]
+        parents = list(self.parents) + [self]
 
         # Resolve all of our field datatypes.
         for index, child in enumerate(list(self.elt)):
             if child.tag == 'bitcase':
+                field_name = child.get('name')
+                if field_name is None:
+                    field_type = self.name + ('bitcase%d' % index,)
+                else:
+                    field_type = self.name + (field_name,)
+
                 # use self.parent to indicate anchestor, 
                 # as switch does not contain named fields itself
-                type = BitcaseType(index, self.name, child, *parents)
+                type = BitcaseType(index, field_type, child, *parents)
+                # construct the switch type name from the parent type and the field name
+                if field_name is None:
+                    type.has_name = False
+                    # Get the full type name for the field
+                    field_type = type.name               
                 visible = True
 
-                # Get the full type name for the field
-                field_type = type.name               
-
                 # add the field to ourself
-                type.make_member_of(module, self, field_type, index, visible, True, False)
+                type.make_member_of(module, self, field_type, field_name, visible, True, False)
 
                 # recursively resolve the type (could be another structure, list)
                 type.resolve(module)
@@ -405,7 +413,6 @@ class SwitchType(ComplexType):
         self.calc_size() # Figure out how big we are
         self.resolved = True
 
-    # FIXME: really necessary for Switch??
     def make_member_of(self, module, complex_type, field_type, field_name, visible, wire, auto):
         if not self.fixed_size():
             # We need a length field.
@@ -416,7 +423,7 @@ class SwitchType(ComplexType):
             needlen = True
 
             # See if the length field is already in the structure.
-            for parent in self.parent:
+            for parent in self.parents:
                 for field in parent.fields:
                     if field.field_name == lenfield_name:
                         needlen = False
@@ -470,6 +477,7 @@ class BitcaseType(ComplexType):
         elts = list(elt)
         self.expr = Expression(elts[0] if len(elts) else elt, self)
         ComplexType.__init__(self, name, elts[1:])        
+        self.has_name = True
         self.index = 1
         self.lenfield_parent = list(parent) + [self]
         self.parents = list(parent)