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| author | Markus Armbruster <armbru@redhat.com> | 2015-08-31 13:54:39 +0200 |
|---|---|---|
| committer | Markus Armbruster <armbru@redhat.com> | 2015-09-04 15:47:16 +0200 |
| commit | eddf817bd823a90df209dfbdc2a0b2ec33b7cb77 (patch) | |
| tree | 8173cd3fa9e23be8c71f9ce8c3d9464f4a8a9b08 | |
| parent | c6b71e5ae73802057d700e2419b80aef1651f213 (diff) | |
qapi: Simplify error reporting for array types
check_type() first checks and peels off the array type, then checks
the element type. For two out of four error messages, it takes pains
to report errors for "array of T" instead of just T. Odd. Let's
examine the errors.
* Unknown element type, e.g.
tests/qapi-schema/args-array-unknown.json:
Member 'array' of 'data' for command 'oops' uses unknown type
'array of NoSuchType'
To make sense of this, you need to know that 'array of NoSuchType'
refers to '[NoSuchType]'. Easy enough. However, simply reporting
Member 'array' of 'data' for command 'oops' uses unknown type
'NoSuchType'
is at least as easy to understand.
* Element type's meta-type is inadmissible, e.g.
tests/qapi-schema/returns-whitelist.json:
'returns' for command 'no-way-this-will-get-whitelisted' cannot
use built-in type 'array of int'
'array of int' is technically not a built-in type, but that's
pedantry. However, simply reporting
'returns' for command 'no-way-this-will-get-whitelisted' cannot
use built-in type 'int'
avoids the issue, and is at least as easy to understand.
* The remaining two errors are unreachable, because the array checking
ensures that value is a string.
Thus, reporting some errors for "array of T" instead of just T works,
but doesn't really improve things. Drop it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
| -rw-r--r-- | scripts/qapi.py | 6 | ||||
| -rw-r--r-- | tests/qapi-schema/args-array-unknown.err | 2 | ||||
| -rw-r--r-- | tests/qapi-schema/returns-whitelist.err | 2 |
3 files changed, 4 insertions, 6 deletions
diff --git a/scripts/qapi.py b/scripts/qapi.py index 36560590ba..ac0e45e2e6 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -426,7 +426,6 @@ def check_type(expr_info, source, value, allow_array = False, allow_dict = False, allow_optional = False, allow_star = False, allow_metas = []): global all_names - orig_value = value if value is None: return @@ -444,7 +443,6 @@ def check_type(expr_info, source, value, allow_array = False, "%s: array type must contain single type name" % source) value = value[0] - orig_value = "array of %s" %value # Check if type name for value is okay if isinstance(value, str): @@ -455,11 +453,11 @@ def check_type(expr_info, source, value, allow_array = False, if not value in all_names: raise QAPIExprError(expr_info, "%s uses unknown type '%s'" - % (source, orig_value)) + % (source, value)) if not all_names[value] in allow_metas: raise QAPIExprError(expr_info, "%s cannot use %s type '%s'" - % (source, all_names[value], orig_value)) + % (source, all_names[value], value)) return if not allow_dict: diff --git a/tests/qapi-schema/args-array-unknown.err b/tests/qapi-schema/args-array-unknown.err index 7834d11bc1..cd7a0f98d7 100644 --- a/tests/qapi-schema/args-array-unknown.err +++ b/tests/qapi-schema/args-array-unknown.err @@ -1 +1 @@ -tests/qapi-schema/args-array-unknown.json:2: Member 'array' of 'data' for command 'oops' uses unknown type 'array of NoSuchType' +tests/qapi-schema/args-array-unknown.json:2: Member 'array' of 'data' for command 'oops' uses unknown type 'NoSuchType' diff --git a/tests/qapi-schema/returns-whitelist.err b/tests/qapi-schema/returns-whitelist.err index a41f019a52..f47c1ee7ca 100644 --- a/tests/qapi-schema/returns-whitelist.err +++ b/tests/qapi-schema/returns-whitelist.err @@ -1 +1 @@ -tests/qapi-schema/returns-whitelist.json:10: 'returns' for command 'no-way-this-will-get-whitelisted' cannot use built-in type 'array of int' +tests/qapi-schema/returns-whitelist.json:10: 'returns' for command 'no-way-this-will-get-whitelisted' cannot use built-in type 'int' |