aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--docs/qapi-code-gen.txt3
-rw-r--r--scripts/qapi.py10
-rw-r--r--tests/qapi-schema/reserved-type-list.err1
-rw-r--r--tests/qapi-schema/reserved-type-list.exit2
-rw-r--r--tests/qapi-schema/reserved-type-list.json6
-rw-r--r--tests/qapi-schema/reserved-type-list.out3
6 files changed, 11 insertions, 14 deletions
diff --git a/docs/qapi-code-gen.txt b/docs/qapi-code-gen.txt
index 2afab20f55..c4264a819b 100644
--- a/docs/qapi-code-gen.txt
+++ b/docs/qapi-code-gen.txt
@@ -106,7 +106,8 @@ Types, commands, and events share a common namespace. Therefore,
generally speaking, type definitions should always use CamelCase for
user-defined type names, while built-in types are lowercase. Type
definitions should not end in 'Kind', as this namespace is used for
-creating implicit C enums for visiting union types. Command names,
+creating implicit C enums for visiting union types, or in 'List', as
+this namespace is used for creating array types. Command names,
and field names within a type, should be all lower case with words
separated by a hyphen. However, some existing older commands and
complex types use underscore; when extending such expressions,
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 3af4c2c737..d53b5c4b45 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -390,10 +390,10 @@ def add_name(name, info, meta, implicit=False):
raise QAPIExprError(info,
"%s '%s' is already defined"
% (all_names[name], name))
- if not implicit and name.endswith('Kind'):
+ if not implicit and (name.endswith('Kind') or name.endswith('List')):
raise QAPIExprError(info,
- "%s '%s' should not end in 'Kind'"
- % (meta, name))
+ "%s '%s' should not end in '%s'"
+ % (meta, name, name[-4:]))
all_names[name] = meta
@@ -1196,9 +1196,7 @@ class QAPISchema(object):
return name
def _make_array_type(self, element_type, info):
- # TODO fooList namespace is not reserved; user can create collisions,
- # or abuse our type system with ['fooList'] for 2D array
- name = element_type + 'List'
+ name = element_type + 'List' # Use namespace reserved by add_name()
if not self.lookup_type(name):
self._def_entity(QAPISchemaArrayType(name, info, element_type))
return name
diff --git a/tests/qapi-schema/reserved-type-list.err b/tests/qapi-schema/reserved-type-list.err
index e69de29bb2..4510fa6d90 100644
--- a/tests/qapi-schema/reserved-type-list.err
+++ b/tests/qapi-schema/reserved-type-list.err
@@ -0,0 +1 @@
+tests/qapi-schema/reserved-type-list.json:5: struct 'FooList' should not end in 'List'
diff --git a/tests/qapi-schema/reserved-type-list.exit b/tests/qapi-schema/reserved-type-list.exit
index 573541ac97..d00491fd7e 100644
--- a/tests/qapi-schema/reserved-type-list.exit
+++ b/tests/qapi-schema/reserved-type-list.exit
@@ -1 +1 @@
-0
+1
diff --git a/tests/qapi-schema/reserved-type-list.json b/tests/qapi-schema/reserved-type-list.json
index 5b7d0f995f..98d53bf808 100644
--- a/tests/qapi-schema/reserved-type-list.json
+++ b/tests/qapi-schema/reserved-type-list.json
@@ -1,5 +1,5 @@
# Potential C name collision
-# FIXME - This parses and compiles on its own, but prevents the user from
-# creating a type named 'Foo' and using ['Foo'] for an array. We should
-# reject the use of any type names ending in 'List'.
+# We reserve names ending in 'List' for use by array types.
+# TODO - we could choose array names to avoid collision with user types,
+# in order to let this compile
{ 'struct': 'FooList', 'data': { 's': 'str' } }
diff --git a/tests/qapi-schema/reserved-type-list.out b/tests/qapi-schema/reserved-type-list.out
index 0406bfe319..e69de29bb2 100644
--- a/tests/qapi-schema/reserved-type-list.out
+++ b/tests/qapi-schema/reserved-type-list.out
@@ -1,3 +0,0 @@
-object :empty
-object FooList
- member s: str optional=False