mirror of
https://github.com/golang/go
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ee9a07d373
Add -tags flag to oracle, ssadump, callgraph, gomvpkg, gorename, eg. Change-Id: I4a818501b2331c4ea589caca37a3ad9d381dc8af Reviewed-on: https://go-review.googlesource.com/9172 Reviewed-by: David Crawshaw <crawshaw@golang.org>
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// The gorename command performs precise type-safe renaming of
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// identifiers in Go source code.
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//
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// Run with -help for usage information, or view the Usage constant in
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// package golang.org/x/tools/refactor/rename, which contains most of
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// the implementation.
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//
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package main // import "golang.org/x/tools/cmd/gorename"
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import (
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"flag"
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"fmt"
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"go/build"
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"os"
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"runtime"
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"golang.org/x/tools/go/buildutil"
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"golang.org/x/tools/refactor/rename"
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)
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var (
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offsetFlag = flag.String("offset", "", "file and byte offset of identifier to be renamed, e.g. 'file.go:#123'. For use by editors.")
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fromFlag = flag.String("from", "", "identifier to be renamed; see -help for formats")
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toFlag = flag.String("to", "", "new name for identifier")
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helpFlag = flag.Bool("help", false, "show usage message")
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)
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func init() {
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flag.Var((*buildutil.TagsFlag)(&build.Default.BuildTags), "tags", buildutil.TagsFlagDoc)
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flag.BoolVar(&rename.Force, "force", false, "proceed, even if conflicts were reported")
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flag.BoolVar(&rename.DryRun, "dryrun", false, "show the change, but do not apply it")
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flag.BoolVar(&rename.Verbose, "v", false, "print verbose information")
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// If $GOMAXPROCS isn't set, use the full capacity of the machine.
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// For small machines, use at least 4 threads.
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if os.Getenv("GOMAXPROCS") == "" {
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n := runtime.NumCPU()
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if n < 4 {
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n = 4
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}
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runtime.GOMAXPROCS(n)
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}
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}
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func main() {
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flag.Parse()
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if len(flag.Args()) > 0 {
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fmt.Fprintln(os.Stderr, "gorename: surplus arguments.")
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os.Exit(1)
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}
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if *helpFlag || (*offsetFlag == "" && *fromFlag == "" && *toFlag == "") {
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fmt.Println(rename.Usage)
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return
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}
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if err := rename.Main(&build.Default, *offsetFlag, *fromFlag, *toFlag); err != nil {
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if err != rename.ConflictError {
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fmt.Fprintf(os.Stderr, "gorename: %s\n", err)
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}
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os.Exit(1)
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}
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}
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