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[Qemu-devel] [PATCH v4 21/51] qapi: factor out check_known_keys()
From: |
Marc-André Lureau |
Subject: |
[Qemu-devel] [PATCH v4 21/51] qapi: factor out check_known_keys() |
Date: |
Thu, 11 Jan 2018 22:32:20 +0100 |
The following patches are going to need similar checks from various
code path. This refactoring will report all conflicting keys (instead
of the first one encountered).
Modify unknown-expr-key to check plural form.
Signed-off-by: Marc-André Lureau <address@hidden>
---
scripts/qapi.py | 27 ++++++++++++++++++++-------
tests/qapi-schema/alternate-base.err | 2 +-
tests/qapi-schema/double-type.err | 2 +-
tests/qapi-schema/enum-missing-data.err | 2 +-
tests/qapi-schema/unknown-expr-key.err | 2 +-
tests/qapi-schema/unknown-expr-key.json | 2 +-
6 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/scripts/qapi.py b/scripts/qapi.py
index f8c711b81b..a9dcfc064c 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -871,6 +871,24 @@ def check_struct(expr, info):
allow_metas=['struct'])
+def check_known_keys(info, source, keys, required, optional):
+
+ def pprint(elems):
+ return ', '.join("'" + e + "'" for e in elems)
+
+ missing = set(required) - set(keys)
+ if missing:
+ raise QAPISemError(info, "%s must have %s key%s"
+ % (source, pprint(missing),
+ 's' if len(missing) > 1 else ''))
+ allowed = set(required + optional)
+ unknown = set(keys) - allowed
+ if unknown:
+ raise QAPISemError(info, "%s has unknown key%s %s (allowed: %s)"
+ % (source, 's' if len(unknown) > 1 else '',
+ pprint(unknown), pprint(allowed)))
+
+
def check_keys(expr_elem, meta, required, optional=[]):
expr = expr_elem['expr']
info = expr_elem['info']
@@ -878,10 +896,9 @@ def check_keys(expr_elem, meta, required, optional=[]):
if not isinstance(name, str):
raise QAPISemError(info, "'%s' key must have a string value" % meta)
required = required + [meta]
+ source = "%s '%s'" % (meta, name)
+ check_known_keys(info, source, expr, required, optional)
for (key, value) in expr.items():
- if key not in required and key not in optional:
- raise QAPISemError(info, "Unknown key '%s' in %s '%s'"
- % (key, meta, name))
if (key == 'gen' or key == 'success-response') and value is not False:
raise QAPISemError(info,
"'%s' of %s '%s' should only use false value"
@@ -892,10 +909,6 @@ def check_keys(expr_elem, meta, required, optional=[]):
% (key, meta, name))
if key == 'if':
check_if(expr, info)
- for key in required:
- if key not in expr:
- raise QAPISemError(info, "Key '%s' is missing from %s '%s'"
- % (key, meta, name))
def check_exprs(exprs):
diff --git a/tests/qapi-schema/alternate-base.err
b/tests/qapi-schema/alternate-base.err
index 30d8a34373..2b09c4c7a3 100644
--- a/tests/qapi-schema/alternate-base.err
+++ b/tests/qapi-schema/alternate-base.err
@@ -1 +1 @@
-tests/qapi-schema/alternate-base.json:4: Unknown key 'base' in alternate 'Alt'
+tests/qapi-schema/alternate-base.json:4: alternate 'Alt' has unknown key
'base' (allowed: 'alternate', 'data', 'if')
diff --git a/tests/qapi-schema/double-type.err
b/tests/qapi-schema/double-type.err
index f9613c6d6b..968fac6b66 100644
--- a/tests/qapi-schema/double-type.err
+++ b/tests/qapi-schema/double-type.err
@@ -1 +1 @@
-tests/qapi-schema/double-type.json:2: Unknown key 'command' in struct 'bar'
+tests/qapi-schema/double-type.json:2: struct 'bar' has unknown key 'command'
(allowed: 'base', 'data', 'struct', 'if')
diff --git a/tests/qapi-schema/enum-missing-data.err
b/tests/qapi-schema/enum-missing-data.err
index ba4873ae69..68e286badc 100644
--- a/tests/qapi-schema/enum-missing-data.err
+++ b/tests/qapi-schema/enum-missing-data.err
@@ -1 +1 @@
-tests/qapi-schema/enum-missing-data.json:2: Key 'data' is missing from enum
'MyEnum'
+tests/qapi-schema/enum-missing-data.json:2: enum 'MyEnum' must have 'data' key
diff --git a/tests/qapi-schema/unknown-expr-key.err
b/tests/qapi-schema/unknown-expr-key.err
index 12f5ed5b43..6a28af8ffc 100644
--- a/tests/qapi-schema/unknown-expr-key.err
+++ b/tests/qapi-schema/unknown-expr-key.err
@@ -1 +1 @@
-tests/qapi-schema/unknown-expr-key.json:2: Unknown key 'bogus' in struct 'bar'
+tests/qapi-schema/unknown-expr-key.json:2: struct 'bar' has unknown keys
'foo', 'bogus' (allowed: 'base', 'data', 'struct', 'if')
diff --git a/tests/qapi-schema/unknown-expr-key.json
b/tests/qapi-schema/unknown-expr-key.json
index 3b2be00cc4..5bcb8efd1d 100644
--- a/tests/qapi-schema/unknown-expr-key.json
+++ b/tests/qapi-schema/unknown-expr-key.json
@@ -1,2 +1,2 @@
# we reject an expression with unknown top-level keys
-{ 'struct': 'bar', 'data': { 'string': 'str'}, 'bogus': { } }
+{ 'struct': 'bar', 'data': { 'string': 'str'}, 'bogus': { }, 'foo': { } }
--
2.16.0.rc1.1.gef27df75a1
- [Qemu-devel] [PATCH v4 12/51] qapi-introspect: add preprocessor conditions to generated QLit, (continued)
- [Qemu-devel] [PATCH v4 12/51] qapi-introspect: add preprocessor conditions to generated QLit, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 13/51] qapi-commands: add #if conditions to commands, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 14/51] qapi-event: add #if conditions to events, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 15/51] qapi-types: refactor variants handling, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 16/51] qapi-types: add #if conditions to types & visitors, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 17/51] qapi: do not define enumeration value explicitely, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 18/51] qapi: rename QAPISchemaEnumType.values to .members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 20/51] tests: modify visit_enum_type() in test-qapi to print members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 19/51] qapi: change enum visitor to take QAPISchemaMember, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 22/51] qapi: add a dictionnary form with 'name' key for enum members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 21/51] qapi: factor out check_known_keys(),
Marc-André Lureau <=
- [Qemu-devel] [PATCH v4 24/51] qapi-event: add 'if' condition to implicit event enum, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 23/51] qapi: add 'if' to enum members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 25/51] qapi: rename allow_dict to allow_implicit, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 27/51] qapi: add 'if' to implicit struct members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 26/51] qapi: add a dictionary form with 'type' key for members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 28/51] qapi: add an error in case a discriminator is conditionnal, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 29/51] qapi: add 'if' on union members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 30/51] qapi: add 'if' to alternate members, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 31/51] qapi: add #if conditions to generated code, Marc-André Lureau, 2018/01/11
- [Qemu-devel] [PATCH v4 32/51] docs: document schema configuration, Marc-André Lureau, 2018/01/11