Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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59 lines
2.3 KiB
59 lines
2.3 KiB
4 years ago
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--[[--------------------------------------------------------------------------
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4 years ago
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Copyright (c) 2009-2021, Google LLC
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4 years ago
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Google LLC nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL Google LLC BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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--]]--------------------------------------------------------------------------
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5 years ago
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local upb = require("lupb")
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2 years ago
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upb.generated_pool = upb.DefPool()
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5 years ago
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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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