xcbgen: fields get a parent reference

Objects of type Field get a reference to their parent.
This is needed in the generator to differentiate
field handling dependend on properties of their parent.

Message-ID: <1409743080-302-1-git-send-email-chris@demorecorder.com>
Patch-Thread-Subject: [Xcb] xinput: make ListInputDevices work, sumof with nested expr, ...
Patch-Set: ListInputDevices
Patch-Number: proto 1/7
Patch-Version: V1
Signed-off-by: Christian Linhart <chris@DemoRecorder.com>

diff --git a/xcbgen/expr.py b/xcbgen/expr.py
index e4fb06e..51e738f 100644 (file)
--- a/xcbgen/expr.py
+++ b/xcbgen/expr.py
@@ -22,6 +22,7 @@ class Field(object):
         self.wire = wire
         self.auto = auto
         self.isfd = isfd
+        self.parent = None
 
 
 class Expression(object):

diff --git a/xcbgen/xtypes.py b/xcbgen/xtypes.py
index 45d7568..8ecbaa2 100644 (file)
--- a/xcbgen/xtypes.py
+++ b/xcbgen/xtypes.py
@@ -76,6 +76,7 @@ class Type(object):
                 return
 
         complex_type.fields.append(new_field)
+        new_field.parent = complex_type
 
     def make_fd_of(self, module, complex_type, fd_name):
         '''