77 lines
2.5 KiB
Go
77 lines
2.5 KiB
Go
|
/*
|
||
|
|
Copyright 2016 The Kubernetes Authors.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
// conversion-gen is a tool for auto-generating Conversion functions.
|
||
|
|
//
|
||
|
|
// Given a list of input directories, it will scan for "peer" packages and
|
||
|
|
// generate functions that efficiently convert between same-name types in each
|
||
|
|
// package. For any pair of types that has a
|
||
|
|
// `Convert_<pkg1>_<type>_To_<pkg2>_<Type()`
|
||
|
|
// function (and its reciprocal), it will simply call that. use standard value
|
||
|
|
// assignment whenever possible. The resulting file will be stored in the same
|
||
|
|
// directory as the processed source package.
|
||
|
|
//
|
||
|
|
// Generation is governed by comment tags in the source. Any package may
|
||
|
|
// request Conversion generation by including a comment in the file-comments of
|
||
|
|
// one file, of the form:
|
||
|
|
// // +k8s:conversion-gen=<import-path-of-peer-package>
|
||
|
|
//
|
||
|
|
// When generating for a package, individual types or fields of structs may opt
|
||
|
|
// out of Conversion generation by specifying a comment on the of the form:
|
||
|
|
// // +k8s:conversion-gen=false
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"flag"
|
||
|
|
"path/filepath"
|
||
|
|
|
||
|
|
"github.com/golang/glog"
|
||
|
|
"github.com/spf13/pflag"
|
||
|
|
"k8s.io/gengo/args"
|
||
|
|
|
||
|
|
generatorargs "k8s.io/code-generator/cmd/conversion-gen/args"
|
||
|
|
"k8s.io/code-generator/cmd/conversion-gen/generators"
|
||
|
|
"k8s.io/code-generator/pkg/util"
|
||
|
|
)
|
||
|
|
|
||
|
|
func main() {
|
||
|
|
genericArgs, customArgs := generatorargs.NewDefaults()
|
||
|
|
|
||
|
|
// Override defaults.
|
||
|
|
// TODO: move this out of conversion-gen
|
||
|
|
genericArgs.GoHeaderFilePath = filepath.Join(args.DefaultSourceTree(), util.BoilerplatePath())
|
||
|
|
|
||
|
|
genericArgs.AddFlags(pflag.CommandLine)
|
||
|
|
customArgs.AddFlags(pflag.CommandLine)
|
||
|
|
flag.Set("logtostderr", "true")
|
||
|
|
pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
|
||
|
|
pflag.Parse()
|
||
|
|
|
||
|
|
if err := generatorargs.Validate(genericArgs); err != nil {
|
||
|
|
glog.Fatalf("Error: %v", err)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Run it.
|
||
|
|
if err := genericArgs.Execute(
|
||
|
|
generators.NameSystems(),
|
||
|
|
generators.DefaultNameSystem(),
|
||
|
|
generators.Packages,
|
||
|
|
); err != nil {
|
||
|
|
glog.Fatalf("Error: %v", err)
|
||
|
|
}
|
||
|
|
glog.V(2).Info("Completed successfully.")
|
||
|
|
}
|