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authorMarkus Armbruster <armbru@redhat.com>2015-09-16 13:06:27 +0200
committerMarkus Armbruster <armbru@redhat.com>2015-09-21 09:56:49 +0200
commit2d21291ae645955fcc4652ebfec81ad338169ac6 (patch)
treed7cb7109f159849c9c821871a3ee7da8b482c34d
parentb8a98326d565516bfcaa6582781605d167471b48 (diff)
downloadqemu-2d21291ae645955fcc4652ebfec81ad338169ac6.zip
qemu-2d21291ae645955fcc4652ebfec81ad338169ac6.tar.gz
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qapi: Pseudo-type '**' is now unused, drop it
'gen': false needs to stay for now, because netdev_add is still using it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Daniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-25-git-send-email-armbru@redhat.com>
-rw-r--r--docs/qapi-code-gen.txt18
-rw-r--r--scripts/qapi.py20
-rw-r--r--tests/Makefile2
-rw-r--r--tests/qapi-schema/type-bypass-no-gen.err1
-rw-r--r--tests/qapi-schema/type-bypass-no-gen.exit1
-rw-r--r--tests/qapi-schema/type-bypass-no-gen.json2
-rw-r--r--tests/qapi-schema/type-bypass-no-gen.out0
-rw-r--r--tests/qapi-schema/type-bypass.err0
-rw-r--r--tests/qapi-schema/type-bypass.exit1
-rw-r--r--tests/qapi-schema/type-bypass.json2
-rw-r--r--tests/qapi-schema/type-bypass.out4
11 files changed, 11 insertions, 40 deletions
diff --git a/docs/qapi-code-gen.txt b/docs/qapi-code-gen.txt
index 4e331a0..b917962 100644
--- a/docs/qapi-code-gen.txt
+++ b/docs/qapi-code-gen.txt
@@ -111,10 +111,7 @@ 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,
consistency is preferred over blindly avoiding underscore. Event
-names should be ALL_CAPS with words separated by underscore. The
-special string '**' appears for some commands that manually perform
-their own type checking rather than relying on the type-safe code
-produced by the qapi code generators.
+names should be ALL_CAPS with words separated by underscore.
Any name (command, event, type, field, or enum value) beginning with
"x-" is marked experimental, and may be withdrawn or changed
@@ -461,14 +458,11 @@ which would validate this Client JSON Protocol transaction:
<= { "return": [ { "value": "one" }, { } ] }
In rare cases, QAPI cannot express a type-safe representation of a
-corresponding Client JSON Protocol command. In these cases, if the
-command expression includes the key 'gen' with boolean value false,
-then the 'data' or 'returns' member that intends to bypass generated
-type-safety and do its own manual validation should use an inline
-dictionary definition, with a value of '**' rather than a valid type
-name for the keys that the generated code will not validate. Please
-try to avoid adding new commands that rely on this, and instead use
-type-safe unions. For an example of bypass usage:
+corresponding Client JSON Protocol command. You then have to suppress
+generation of a marshalling function by including a key 'gen' with
+boolean value false, and instead write your own function. Please try
+to avoid adding new commands that rely on this, and instead use
+type-safe unions. For an example of this usage:
{ 'command': 'netdev_add',
'data': {'type': 'str', 'id': 'str'},
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 8808ae6..f407297 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -428,15 +428,12 @@ def is_enum(name):
def check_type(expr_info, source, value, allow_array = False,
allow_dict = False, allow_optional = False,
- allow_star = False, allow_metas = []):
+ allow_metas = []):
global all_names
if value is None:
return
- if allow_star and value == '**':
- return
-
# Check if array type for value is okay
if isinstance(value, list):
if not allow_array:
@@ -450,10 +447,6 @@ def check_type(expr_info, source, value, allow_array = False,
# Check if type name for value is okay
if isinstance(value, str):
- if value == '**':
- raise QAPIExprError(expr_info,
- "%s uses '**' but did not request 'gen':false"
- % source)
if not value in all_names:
raise QAPIExprError(expr_info,
"%s uses unknown type '%s'"
@@ -479,7 +472,7 @@ def check_type(expr_info, source, value, allow_array = False,
# Todo: allow dictionaries to represent default values of
# an optional argument.
check_type(expr_info, "Member '%s' of %s" % (key, source), arg,
- allow_array=True, allow_star=allow_star,
+ allow_array=True,
allow_metas=['built-in', 'union', 'alternate', 'struct',
'enum'])
@@ -499,18 +492,16 @@ def check_member_clash(expr_info, base_name, data, source = ""):
def check_command(expr, expr_info):
name = expr['command']
- allow_star = expr.has_key('gen')
check_type(expr_info, "'data' for command '%s'" % name,
expr.get('data'), allow_dict=True, allow_optional=True,
- allow_metas=['struct'], allow_star=allow_star)
+ allow_metas=['struct'])
returns_meta = ['union', 'struct']
if name in returns_whitelist:
returns_meta += ['built-in', 'alternate', 'enum']
check_type(expr_info, "'returns' for command '%s'" % name,
expr.get('returns'), allow_array=True,
- allow_optional=True, allow_metas=returns_meta,
- allow_star=allow_star)
+ allow_optional=True, allow_metas=returns_meta)
def check_event(expr, expr_info):
global events
@@ -1122,7 +1113,6 @@ class QAPISchema(object):
('bool', 'boolean', 'bool', 'false'),
('any', 'value', 'QObject' + pointer_suffix, 'NULL')]:
self._def_builtin_type(*t)
- self._entity_dict['**'] = self.lookup_type('any') # TODO drop this alias
def _make_implicit_enum_type(self, name, values):
name = name + 'Kind'
@@ -1272,8 +1262,6 @@ class QAPISchema(object):
def visit(self, visitor):
visitor.visit_begin(self)
for name in sorted(self._entity_dict.keys()):
- if self._entity_dict[name].name != name:
- continue # ignore alias TODO drop alias and remove
self._entity_dict[name].visit(visitor)
visitor.visit_end()
diff --git a/tests/Makefile b/tests/Makefile
index 10e55b3..aadfb38 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -234,7 +234,7 @@ check-qapi-schema-y := $(addprefix tests/qapi-schema/, \
bad-type-dict.json double-data.json unknown-expr-key.json \
redefined-type.json redefined-command.json redefined-builtin.json \
redefined-event.json command-int.json bad-data.json event-max.json \
- type-bypass.json type-bypass-no-gen.json type-bypass-bad-gen.json \
+ type-bypass-bad-gen.json \
args-invalid.json \
args-array-empty.json args-array-unknown.json args-int.json \
args-unknown.json args-member-unknown.json args-member-array.json \
diff --git a/tests/qapi-schema/type-bypass-no-gen.err b/tests/qapi-schema/type-bypass-no-gen.err
deleted file mode 100644
index 20cef0a..0000000
--- a/tests/qapi-schema/type-bypass-no-gen.err
+++ /dev/null
@@ -1 +0,0 @@
-tests/qapi-schema/type-bypass-no-gen.json:2: Member 'arg' of 'data' for command 'unsafe' uses '**' but did not request 'gen':false
diff --git a/tests/qapi-schema/type-bypass-no-gen.exit b/tests/qapi-schema/type-bypass-no-gen.exit
deleted file mode 100644
index d00491f..0000000
--- a/tests/qapi-schema/type-bypass-no-gen.exit
+++ /dev/null
@@ -1 +0,0 @@
-1
diff --git a/tests/qapi-schema/type-bypass-no-gen.json b/tests/qapi-schema/type-bypass-no-gen.json
deleted file mode 100644
index 4feae37..0000000
--- a/tests/qapi-schema/type-bypass-no-gen.json
+++ /dev/null
@@ -1,2 +0,0 @@
-# type bypass only works with 'gen':false
-{ 'command': 'unsafe', 'data': { 'arg': '**' }, 'returns': '**' }
diff --git a/tests/qapi-schema/type-bypass-no-gen.out b/tests/qapi-schema/type-bypass-no-gen.out
deleted file mode 100644
index e69de29..0000000
--- a/tests/qapi-schema/type-bypass-no-gen.out
+++ /dev/null
diff --git a/tests/qapi-schema/type-bypass.err b/tests/qapi-schema/type-bypass.err
deleted file mode 100644
index e69de29..0000000
--- a/tests/qapi-schema/type-bypass.err
+++ /dev/null
diff --git a/tests/qapi-schema/type-bypass.exit b/tests/qapi-schema/type-bypass.exit
deleted file mode 100644
index 573541a..0000000
--- a/tests/qapi-schema/type-bypass.exit
+++ /dev/null
@@ -1 +0,0 @@
-0
diff --git a/tests/qapi-schema/type-bypass.json b/tests/qapi-schema/type-bypass.json
deleted file mode 100644
index 48b2137..0000000
--- a/tests/qapi-schema/type-bypass.json
+++ /dev/null
@@ -1,2 +0,0 @@
-# Use of 'gen':false allows bypassing type system
-{ 'command': 'unsafe', 'data': { 'arg': '**' }, 'returns': '**', 'gen': false }
diff --git a/tests/qapi-schema/type-bypass.out b/tests/qapi-schema/type-bypass.out
deleted file mode 100644
index db2a4e6..0000000
--- a/tests/qapi-schema/type-bypass.out
+++ /dev/null
@@ -1,4 +0,0 @@
-object :obj-unsafe-arg
- member arg: any optional=False
-command unsafe :obj-unsafe-arg -> any
- gen=False success_response=True