flatbuffers: Add opt-in buffer identification mechanism#174
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flatbuffers: Add opt-in buffer identification mechanism#174OliverHeilwagen wants to merge 1 commit intoeclipse-score:mainfrom
OliverHeilwagen wants to merge 1 commit intoeclipse-score:mainfrom
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The created documentation from the pull request is available at: docu-html |
OliverHeilwagen
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May 5, 2026
| doc = "Injects major/minor version fields into a JSON file for use with serialize_versioned_buffer.", | ||
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| def serialize_versioned_buffer( |
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@4og @paulquiring
I introduced the following rules separately so we can have the major/minor version as mandatory rule parameter:
- serialize_versioned_buffer
- serialize_multiple_versioned_buffer
I am not so happy with the longer name but kept it for now to avoid breaking changes.
Since we are still early with the flatbuffers rollout we could do a breaking change of the rule name and have the following ones that should remain stable:
- serialize_buffer
- serialize_buffers (breaking former: serialize_multiple_buffers)
- serialize_versioned_buffer
- serialize_versioned_buffers
The buffer version have dedicated data and output parameters.
The buffers version have data_dict parameter (dictionary key: json data, value: output name).
Please let me know if you have any preferences.
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Introduces major/minor version injection into FlatBuffer binary configuration files at build time, enabling universal buffer identification at runtime. - New serialize_versioned_buffer and serialize_multiple_versioned_buffers Bazel macros that patch version fields into JSON before flatc serialization - New inject_buffer_version.py script and Bazel rule that injects major/minor version into a JSON data file as a build action - Added BufferVersion schema under score/flatbuffers/common as shared include for versioned schemas - Added BufferVersionEnvelope schema under score/flatbuffers/common used internally to implement GetBufferVersion and VerifyBufferVersion without hardcoded vtable offsets - Extended existing serialize_buffer, serialize_multiple_buffers, generate_cpp and generate_json_schema rules with an includes attribute to support schema include dependencies - Added Starlark rule tests covering single/multiple versioned buffers and fault injection cases (out-of-range versions, wrong version_info placement)
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resolves #128
Todo: