Update NaCl's generator to support new wait APIs.

mojo/nacl/generator/interface_dsl.py

Index: mojo/nacl/generator/interface_dsl.py
diff --git a/mojo/nacl/generator/interface_dsl.py b/mojo/nacl/generator/interface_dsl.py
index dfc85aa3914d7d7f85ac56bd9dcd4f96d22eaf18..3d1ff322c17ffc9b1c94fb1351b246772eb1a5e8 100644
--- a/mojo/nacl/generator/interface_dsl.py
+++ b/mojo/nacl/generator/interface_dsl.py
@@ -56,6 +56,7 @@ class Param(object):
     self.is_output = False
     self.is_array = False
     self.is_struct = False
+    self.is_extensible = False

[Mark Seaborn, 2014/12/08 22:24:12]

Can you explain somewhere what is_extensible/ExtStruct mean?

[Nick Bray (chromium), 2014/12/09 22:14:31]

Done.

     self.is_optional = False
 
   def GetSizeParam(self):
@@ -76,11 +77,12 @@ class Param(object):
     self.is_array = True
     return self
 
-  def InStruct(self, ty):
+  def InExtStruct(self, ty):
     self.base_type = ty
     self.param_type = 'const struct ' + ty + '*'
     self.is_input = True
     self.is_struct = True
+    self.is_extensible = True
     return self
 
   def InOut(self, ty):
@@ -104,6 +106,14 @@ class Param(object):
     self.is_output = True
     return self
 
+  def OutFixedStruct(self, ty):
+    self.base_type = ty
+    self.param_type = 'struct ' + ty + '*'
+    self.is_output = True
+    self.is_struct = True
+    self.is_extensible = False
+    return self
+
   def Optional(self):
     assert not self.IsPassedByValue()
     self.is_optional = True