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qapi: Improve reporting of invalid 'if' further

Browse Source 
check_if()'s errors don't point to the offending part of the
expression.  For instance:

    tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' makes no sense

Other check_FOO() do, with the help of a @source argument.  Make
check_if() do that, too.  The example above improves to:

    tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' of 'data' member 'branch' makes no sense

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190927134639.4284-23-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2019-09-27 15:46:35 +02:00
parent eeb57c85da
commit fab12376d0
10 changed files with 25 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
scripts/qapi/common.py
View File

@ -692,22 +692,27 @@ def check_defn_name_str(name, info, meta):
info, "%s name should not end in '%s'" % (meta, name[-4:]))
def check_if(expr, info):
def check_if(expr, info, source):
def check_if_str(ifcond, info):
if not isinstance(ifcond, str):
raise QAPISemError(
info, "'if' condition must be a string or a list of strings")
info,
"'if' condition of %s must be a string or a list of strings"
% source)
if ifcond.strip() == '':
raise QAPISemError(info, "'if' condition '%s' makes no sense"
% ifcond)
raise QAPISemError(
info,
"'if' condition '%s' of %s makes no sense"
% (ifcond, source))
ifcond = expr.get('if')
if ifcond is None:
return
if isinstance(ifcond, list):
if ifcond == []:
raise QAPISemError(info, "'if' condition [] is useless")
raise QAPISemError(
info, "'if' condition [] of %s is useless" % source)
for elt in ifcond:
check_if_str(elt, info)
else:
@ -752,7 +757,7 @@ def check_type(value, info, source,
if c_name(key, False) == 'u' or c_name(key, False).startswith('has_'):
raise QAPISemError(info, "%s uses reserved name" % key_source)
check_known_keys(arg, info, key_source, ['type'], ['if'])
check_if(arg, info)
check_if(arg, info, key_source)
normalize_if(arg)
check_type(arg['type'], info, key_source, allow_array=True)
@ -796,7 +801,7 @@ def check_union(expr, info):
source = "'data' member '%s'" % key
check_name_str(key, info, source)
check_known_keys(value, info, source, ['type'], ['if'])
check_if(value, info)
check_if(value, info, source)
normalize_if(value)
check_type(value['type'], info, source, allow_array=not base)
@ -810,7 +815,7 @@ def check_alternate(expr, info):
source = "'data' member '%s'" % key
check_name_str(key, info, source)
check_known_keys(value, info, source, ['type'], ['if'])
check_if(value, info)
check_if(value, info, source)
normalize_if(value)
check_type(value['type'], info, source)
@ -834,7 +839,7 @@ def check_enum(expr, info):
source = "%s '%s'" % (source, member['name'])
check_name_str(member['name'], info, source,
enum_member=True, permit_upper=permit_upper)
check_if(member, info)
check_if(member, info, source)
normalize_if(member)
@ -856,7 +861,7 @@ def check_struct(expr, info):
check_name_is_str(f['name'], info, source)
source = "%s '%s'" % (source, f['name'])
check_name_str(f['name'], info, source)
check_if(f, info)
check_if(f, info, source)
normalize_if(f)
@ -994,7 +999,7 @@ def check_exprs(exprs):
assert False, 'unexpected meta type'
normalize_if(expr)
check_if(expr, info)
check_if(expr, info, meta)
check_flags(expr, info)
if doc:

2
tests/qapi-schema/alternate-branch-if-invalid.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/alternate-branch-if-invalid.json: In alternate 'Alt':
tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' makes no sense
tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' of 'data' member 'branch' makes no sense

2
tests/qapi-schema/bad-if-empty-list.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/bad-if-empty-list.json: In struct 'TestIfStruct':
tests/qapi-schema/bad-if-empty-list.json:2: 'if' condition [] is useless
tests/qapi-schema/bad-if-empty-list.json:2: 'if' condition [] of struct is useless

2
tests/qapi-schema/bad-if-empty.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/bad-if-empty.json: In struct 'TestIfStruct':
tests/qapi-schema/bad-if-empty.json:2: 'if' condition '' makes no sense
tests/qapi-schema/bad-if-empty.json:2: 'if' condition '' of struct makes no sense

2
tests/qapi-schema/bad-if-list.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/bad-if-list.json: In struct 'TestIfStruct':
tests/qapi-schema/bad-if-list.json:2: 'if' condition ' ' makes no sense
tests/qapi-schema/bad-if-list.json:2: 'if' condition ' ' of struct makes no sense

2
tests/qapi-schema/bad-if.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/bad-if.json: In struct 'TestIfStruct':
tests/qapi-schema/bad-if.json:2: 'if' condition must be a string or a list of strings
tests/qapi-schema/bad-if.json:2: 'if' condition of struct must be a string or a list of strings

2
tests/qapi-schema/enum-if-invalid.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/enum-if-invalid.json: In enum 'TestIfEnum':
tests/qapi-schema/enum-if-invalid.json:2: 'if' condition must be a string or a list of strings
tests/qapi-schema/enum-if-invalid.json:2: 'if' condition of 'data' member 'bar' must be a string or a list of strings

2
tests/qapi-schema/features-if-invalid.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/features-if-invalid.json: In struct 'Stru':
tests/qapi-schema/features-if-invalid.json:2: 'if' condition must be a string or a list of strings
tests/qapi-schema/features-if-invalid.json:2: 'if' condition of 'features' member 'f' must be a string or a list of strings

2
tests/qapi-schema/struct-member-if-invalid.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/struct-member-if-invalid.json: In struct 'Stru':
tests/qapi-schema/struct-member-if-invalid.json:2: 'if' condition must be a string or a list of strings
tests/qapi-schema/struct-member-if-invalid.json:2: 'if' condition of 'data' member 'member' must be a string or a list of strings

2
tests/qapi-schema/union-branch-if-invalid.err
View File

@ -1,2 +1,2 @@
tests/qapi-schema/union-branch-if-invalid.json: In union 'Uni':
tests/qapi-schema/union-branch-if-invalid.json:4: 'if' condition '' makes no sense
tests/qapi-schema/union-branch-if-invalid.json:4: 'if' condition '' of 'data' member 'branch1' makes no sense