Now that we know every expression has a known meta-type, we
can add a helper function that retrieves the name of an
arbitrary expression, for use in future error messages.
* scripts/qapi.py (expr_name): New function.
Signed-off-by: Eric Blake <ebl...@redhat.com>
---
scripts/qapi.py | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 910e422..e02fa0b 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -248,6 +248,19 @@ def discriminator_find_enum_define(expr):
return find_enum(discriminator_type)
+def expr_name(expr):
+ if expr.has_key('union'):
+ return expr['union']
+ if expr.has_key('type'):
+ return expr['type']
+ if expr.has_key('enum'):
+ return expr['enum']
+ if expr.has_key('command'):
+ return expr['command']
+ if expr.has_key('event'):
+ return expr['event']
+ return None
+
def check_event(expr, expr_info):
params = expr.get('data')
if params:
--
1.9.3
