Mojo: request/response bindings

mojo/public/bindings/pylib/generate/mojom_generator.py

Index: mojo/public/bindings/pylib/generate/mojom_generator.py
diff --git a/mojo/public/bindings/pylib/generate/mojom_generator.py b/mojo/public/bindings/pylib/generate/mojom_generator.py
index d9d12daeb3781f1c0402638920d261aecf8a7bdb..ebe2ea90396861e18e3b9d62aaddebf08eae8cbb 100644
--- a/mojo/public/bindings/pylib/generate/mojom_generator.py
+++ b/mojo/public/bindings/pylib/generate/mojom_generator.py
@@ -19,6 +19,15 @@ def GetStructFromMethod(interface, method):
   struct.packed = mojom_pack.PackedStruct(struct)
   return struct
 
+def GetResponseStructFromMethod(interface, method):
+  """Converts a method's response_parameters into the fields of a struct."""
+  params_class = "%s_%s_ResponseParams" % (interface.name, method.name)
+  struct = mojom.Struct(params_class)
+  for param in method.response_parameters:
+    struct.AddField(param.name, param.kind, param.ordinal)
+  struct.packed = mojom_pack.PackedStruct(struct)
+  return struct
+
 def GetStructInfo(exported, struct):
   struct.packed = mojom_pack.PackedStruct(struct)
   struct.bytes = mojom_pack.GetByteLayout(struct.packed)