qapi: Have each QAPI schema declare its name rule violations

qapi.py has a hardcoded white-list of type names that may violate the
rule on use of upper and lower case.  Add a new pragma directive
'name-case-whitelist', and use it to replace the hard-coded
white-list.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1489582656-31133-7-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

tests/qapi-schema/enum-member-case.err

@@ -1 +1 @@
-tests/qapi-schema/enum-member-case.json:3: 'Value' (member of NoWayThisWillGetWhitelisted) should not use uppercase
+tests/qapi-schema/enum-member-case.json:4: 'Value' (member of NoWayThisWillGetWhitelisted) should not use uppercase

tests/qapi-schema/enum-member-case.json

@@ -1,3 +1,4 @@
 # Member names should be 'lower-case' unless the enum is whitelisted
+{ 'pragma': { 'name-case-whitelist': [ 'UuidInfo' ] } }
 { 'enum': 'UuidInfo', 'data': [ 'Value' ] } # UuidInfo is whitelisted
 { 'enum': 'NoWayThisWillGetWhitelisted', 'data': [ 'Value' ] }

tests/qapi-schema/pragma-name-case-whitelist-crap.err

@@ -0,0 +1 @@
+tests/qapi-schema/pragma-name-case-whitelist-crap.json:3: Pragma name-case-whitelist must be a list of strings

tests/qapi-schema/pragma-name-case-whitelist-crap.exit

@@ -0,0 +1 @@
+1

tests/qapi-schema/pragma-name-case-whitelist-crap.json

@@ -0,0 +1,3 @@
+# 'name-case-whitelist' must be list of strings
+
+{ 'pragma': { 'name-case-whitelist': null } }