Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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40 lines
1.1 KiB
40 lines
1.1 KiB
--[[-------------------------------------------------------------------------- |
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Protocol Buffers - Google's data interchange format |
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Copyright 2023 Google LLC. All rights reserved. |
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Use of this source code is governed by a BSD-style |
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license that can be found in the LICENSE file or at |
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https://developers.google.com/open-source/licenses/bsd |
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--]]-------------------------------------------------------------------------- |
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local upb = require("lupb") |
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upb.generated_pool = upb.DefPool() |
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local module_metatable = { |
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__index = function(t, k) |
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local package = t._filedef:package() |
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if package then |
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k = package .. "." .. k |
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end |
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local pool = upb.generated_pool |
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local def = pool:lookup_msg(k) or pool:lookup_enum(k) |
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local v = nil |
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if def and def:file():name() == t._filedef:name() then |
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v = def |
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t[k] = v |
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end |
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return v |
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end |
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} |
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function upb._generated_module(desc_string) |
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local file = upb.generated_pool:add_file(desc_string) |
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local module = {_filedef = file} |
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setmetatable(module, module_metatable) |
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return module |
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end |
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return upb
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