69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
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/*
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*
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* Copyright 2020 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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// protoc-gen-go-grpc is a plugin for the Google protocol buffer compiler to
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// generate Go code. Install it by building this program and making it
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// accessible within your PATH with the name:
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// protoc-gen-go-grpc
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//
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// The 'go-grpc' suffix becomes part of the argument for the protocol compiler,
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// such that it can be invoked as:
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// protoc --go-grpc_out=. path/to/file.proto
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//
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// This generates Go service definitions for the protocol buffer defined by
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// file.proto. With that input, the output will be written to:
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// path/to/file_grpc.pb.go
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package main
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import (
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"flag"
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"fmt"
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"google.golang.org/protobuf/compiler/protogen"
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"google.golang.org/protobuf/types/pluginpb"
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)
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const version = "1.1.0"
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var requireUnimplemented *bool
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func main() {
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showVersion := flag.Bool("version", false, "print the version and exit")
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flag.Parse()
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if *showVersion {
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fmt.Printf("protoc-gen-go-grpc %v\n", version)
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return
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}
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var flags flag.FlagSet
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requireUnimplemented = flags.Bool("require_unimplemented_servers", true, "set to false to match legacy behavior")
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protogen.Options{
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ParamFunc: flags.Set,
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}.Run(func(gen *protogen.Plugin) error {
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gen.SupportedFeatures = uint64(pluginpb.CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL)
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for _, f := range gen.Files {
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if !f.Generate {
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continue
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}
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generateFile(gen, f)
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}
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return nil
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})
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}
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