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[Xen-devel] [PATCH v3 00/22] generated Go libxl bindings using IDL

From: Nick Rosbrook <rosbrookn@xxxxxxxxxxxx>

After Xen summit, we started the discussion in this[1] RFC thread
to figure out how to generate Go bindings for libxl. This series
implements that Go code generation using the existing IDL, and updates
the existing hand-written code in xenlight.go to use the generated

The goal of this series is to provide a good foundation for continued
development of the Go package.

The v1 series can be found on my GitHub branch[2].

Changes in v2:
- GitHub branch for v2 [3].
- Drop patch 01/24 from v1 since was committed as a bug fix for 4.13.
- The Makefile changes in 24/24 from v1 have been moved to the patches
  where the build changes are introduced.

Changes in v3:
- GitHub branch for v3 [4].
- Simplify a pattern for iterating over builtin types
  in their fromC functions.
- Try not to duplicate as much code in gengotypes.py, and
  use consistent style in generated code when calling fromC.

[1] https://lists.xenproject.org/archives/html/xen-devel/2019-07/msg02259.html
[2] https://github.com/enr0n/xen/tree/golang-patches-v1
[3] https://github.com/enr0n/xen/tree/golang-patches-v2
[4] https://github.com/enr0n/xen/tree/golang-patches-v3

Nick Rosbrook (22):
  golang/xenlight: generate enum types from IDL
  golang/xenlight: define Defbool builtin type
  golang/xenlight: define Devid type as int
  golang/xenlight: define KeyValueList as empty struct
  golang/xenlight: re-name Bitmap marshaling functions
  golang/xenlight: define StringList builtin type
  golang/xenlight: define Mac builtin type
  golang/xenlight: define MsVmGenid builtin type
  golang/xenlight: define EvLink builtin as empty struct
  golang/xenlight: define CpuidPolicyList builtin type
  golang/xenlight: re-factor Uuid type implementation
  golang/xenlight: re-factor Hwcap type implementation
  golang/xenlight: generate structs from the IDL
  golang/xenlight: remove no-longer used type MemKB
  golang/xenlight: begin C to Go type marshaling
  golang/xenlight: implement keyed union C to Go marshaling
  golang/xenlight: implement array C to Go marshaling
  golang/xenlight: begin Go to C type marshaling
  golang/xenlight: implement keyed union Go to C marshaling
  golang/xenlight: implement array Go to C marshaling
  golang/xenlight: revise use of Context type
  golang/xenlight: add error return type to Context.Cpupoolinfo

 tools/golang/xenlight/Makefile       |   20 +-
 tools/golang/xenlight/gengotypes.py  |  677 ++++++
 tools/golang/xenlight/helpers.gen.go | 3246 ++++++++++++++++++++++++++
 tools/golang/xenlight/types.gen.go   | 1224 ++++++++++
 tools/golang/xenlight/xenlight.go    |  901 +++----
 5 files changed, 5531 insertions(+), 537 deletions(-)
 create mode 100644 tools/golang/xenlight/gengotypes.py
 create mode 100644 tools/golang/xenlight/helpers.gen.go
 create mode 100644 tools/golang/xenlight/types.gen.go


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