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Re: [Qemu-devel] [PATCH 1/8] qapi: Add Visitor interfaces for uint*_t an
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] [PATCH 1/8] qapi: Add Visitor interfaces for uint*_t and int*_t |
Date: |
Sat, 09 Jun 2012 17:33:14 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.4) Gecko/20120422 Thunderbird/10.0.4 |
On 06/09/12 17:16, Andreas Färber wrote:
> Am 09.06.2012 17:03, schrieb Laszlo Ersek:
>> On 06/08/12 17:35, Andreas Färber wrote:
>>> From: Michael Roth <address@hidden>
>>>
>>> This adds visitor interfaces for fixed-width integers types.
>>> Implementing these in visitors is optional, otherwise we fall back to
>>> visit_type_int() (int64_t) with some additional bounds checking to avoid
>>> integer overflows for cases where the value fetched exceeds the bounds
>>> of our target C type.
>>
>>> diff --git a/qapi/qapi-visit-core.h b/qapi/qapi-visit-core.h
>>> index e850746..a19d70c 100644
>>> --- a/qapi/qapi-visit-core.h
>>> +++ b/qapi/qapi-visit-core.h
>>> @@ -52,6 +52,14 @@ struct Visitor
>>> void (*start_handle)(Visitor *v, void **obj, const char *kind,
>>> const char *name, Error **errp);
>>> void (*end_handle)(Visitor *v, Error **errp);
>>> + void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error
>>> **errp);
>>> + void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error
>>> **errp);
>>> };
>>>
>>> void visit_start_handle(Visitor *v, void **obj, const char *kind,
>>> @@ -69,6 +77,14 @@ void visit_end_optional(Visitor *v, Error **errp);
>>> void visit_type_enum(Visitor *v, int *obj, const char *strings[],
>>> const char *kind, const char *name, Error **errp);
>>> void visit_type_int(Visitor *v, int64_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_uint8(Visitor *v, uint8_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_uint16(Visitor *v, uint16_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_uint32(Visitor *v, uint32_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_uint64(Visitor *v, uint64_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_int8(Visitor *v, int8_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_int16(Visitor *v, int16_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_int32(Visitor *v, int32_t *obj, const char *name, Error
>>> **errp);
>>> +void visit_type_int64(Visitor *v, int64_t *obj, const char *name, Error
>>> **errp);
>>> void visit_type_bool(Visitor *v, bool *obj, const char *name, Error
>>> **errp);
>>> void visit_type_str(Visitor *v, char **obj, const char *name, Error
>>> **errp);
>>> void visit_type_number(Visitor *v, double *obj, const char *name, Error
>>> **errp);
>>
>> Shouldn't "scripts/qapi.py" be extended accordingly? (The c_type function.)
>
> What does that affect?
> Is it a blocker for this PULL or an improvement for a follow-up?
The latter. As long as nothing actually uses these types there's no problem.
Laszlo
- [Qemu-devel] [PULL] qom-next queue, first batch: fixed-width visitors, Andreas Färber, 2012/06/08
- [Qemu-devel] [PATCH 5/8] qdev: Use int32_t container for devfn property, Andreas Färber, 2012/06/08
- [Qemu-devel] [PATCH 3/8] qapi: String visitor, use %f representation for floats, Andreas Färber, 2012/06/08
- [Qemu-devel] [PATCH 4/8] qapi: Add String visitor coverage to serialization unit tests, Andreas Färber, 2012/06/08
- [Qemu-devel] [PATCH 8/8] target-i386: Use uint32 visitor for [x]level properties, Andreas Färber, 2012/06/08
- [Qemu-devel] [PATCH 6/8] qdev: Switch property accessors to fixed-width visitor interfaces, Andreas Färber, 2012/06/08
- [Qemu-devel] [PATCH 1/8] qapi: Add Visitor interfaces for uint*_t and int*_t, Andreas Färber, 2012/06/08
[Qemu-devel] [PATCH 2/8] qapi: Unit tests for visitor-based serialization, Andreas Färber, 2012/06/08
[Qemu-devel] [PATCH 7/8] qdev: Remove PropertyInfo range checking, Andreas Färber, 2012/06/08
Re: [Qemu-devel] [PULL] qom-next queue, first batch: fixed-width visitors, Andreas Färber, 2012/06/08
Re: [Qemu-devel] [PULL] qom-next queue, first batch: fixed-width visitors, Luiz Capitulino, 2012/06/11
Re: [Qemu-devel] [PULL] qom-next queue, first batch: fixed-width visitors, Anthony Liguori, 2012/06/11