Re: [PATCH v1 0/9] qapi-go: add generator for Golang interface

[Victor Toso]

On Wed, Sep 27, 2023 at 01:25:35PM +0200, Victor Toso wrote:
> Hi, long time no see!
> 
> This patch series intent is to introduce a generator that produces a Go
> module for Go applications to interact over QMP with QEMU.
> 
> This idea was discussed before, as RFC:
>  (RFC v1) https://lists.gnu.org/archive/html/qemu-devel/2022-04/msg00226.html
>  (RFC v2) https://lists.gnu.org/archive/html/qemu-devel/2022-04/msg00226.html

Bad copy-paste, the correct one:
    https://lists.gnu.org/archive/html/qemu-devel/2022-06/msg03105.html

> 
> The work got stuck due to changes needed around types that can take JSON
> Null as value, but that's now fixed.
> 
> I've pushed this series in my gitlab fork:
>     https://gitlab.com/victortoso/qemu/-/tree/qapi-golang-v1
> 
> I've also generated the qapi-go module over QEMU tags: v7.0.0, v7.1.0,
> v7.2.6, v8.0.0 and v8.1.1, see the commits history here:
>     https://gitlab.com/victortoso/qapi-go/-/commits/qapi-golang-v1-by-tags
> 
> I've also generated the qapi-go module over each commit of this series,
> see the commits history here (using previous refered qapi-golang-v1)
>     https://gitlab.com/victortoso/qapi-go/-/commits/qapi-golang-v1-by-patch
> 
> 
>  * Why this?
> 
> My main goal is to allow Go applications that interact with QEMU to have
> a native way of doing so.
> 
> Ideally, we can merge a new QAPI command, update qapi-go module to allow
> Go applications to consume the new command in no time (e.g: if
> development of said applications are using latest QEMU)
> 
> 
>  * Expectations
> 
> From previous discussions, there are things that are still missing. One
> simple example is Andrea's annotation suggestion to fix type names. My
> proposal is to have a qapi-go module in a formal non-stable version till
> some of those tasks get addressed or we declare it a non-problem.
> 
> I've created a docs/devel/qapi-golang-code-gen.rst to add information
> from the discussions we might have in this series. Suggestions always
> welcome.
> 
> P.S: Sorry about my broken python :)
> 
> Cheers,
> Victor
> 
> Victor Toso (9):
>   qapi: golang: Generate qapi's enum types in Go
>   qapi: golang: Generate qapi's alternate types in Go
>   qapi: golang: Generate qapi's struct types in Go
>   qapi: golang: structs: Address 'null' members
>   qapi: golang: Generate qapi's union types in Go
>   qapi: golang: Generate qapi's event types in Go
>   qapi: golang: Generate qapi's command types in Go
>   qapi: golang: Add CommandResult type to Go
>   docs: add notes on Golang code generator
> 
>  docs/devel/qapi-golang-code-gen.rst |  341 +++++++++
>  scripts/qapi/golang.py              | 1047 +++++++++++++++++++++++++++
>  scripts/qapi/main.py                |    2 +
>  3 files changed, 1390 insertions(+)
>  create mode 100644 docs/devel/qapi-golang-code-gen.rst
>  create mode 100644 scripts/qapi/golang.py
> 
> -- 
> 2.41.0
> 
>

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