blob: 71e8e5bffd608aceef42e282c9deed074b4f4f29 [file] [log] [blame]
// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Code generated by "gen.bash" from internal/trace; DO NOT EDIT.
//go:build go1.21
package main
import (
"flag"
"fmt"
"io"
"log"
"os"
"golang.org/x/exp/trace/internal/raw"
"golang.org/x/exp/trace/internal/version"
)
func init() {
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [mode]\n", os.Args[0])
fmt.Fprintf(flag.CommandLine.Output(), "\n")
fmt.Fprintf(flag.CommandLine.Output(), "Supported modes:")
fmt.Fprintf(flag.CommandLine.Output(), "\n")
fmt.Fprintf(flag.CommandLine.Output(), "* text2bytes - converts a text format trace to bytes\n")
fmt.Fprintf(flag.CommandLine.Output(), "* bytes2text - converts a byte format trace to text\n")
fmt.Fprintf(flag.CommandLine.Output(), "\n")
flag.PrintDefaults()
}
log.SetFlags(0)
}
func main() {
flag.Parse()
if narg := flag.NArg(); narg != 1 {
log.Fatal("expected exactly one positional argument: the mode to operate in; see -h output")
}
r := os.Stdin
w := os.Stdout
var tr traceReader
var tw traceWriter
var err error
switch flag.Arg(0) {
case "text2bytes":
tr, err = raw.NewTextReader(r)
if err != nil {
log.Fatal(err)
}
tw, err = raw.NewWriter(w, tr.Version())
if err != nil {
log.Fatal(err)
}
case "bytes2text":
tr, err = raw.NewReader(r)
if err != nil {
log.Fatal(err)
}
tw, err = raw.NewTextWriter(w, tr.Version())
if err != nil {
log.Fatal(err)
}
}
for {
ev, err := tr.ReadEvent()
if err == io.EOF {
break
}
if err != nil {
log.Fatal(err)
}
if err := tw.WriteEvent(ev); err != nil {
log.Fatal(err)
}
}
}
type traceReader interface {
Version() version.Version
ReadEvent() (raw.Event, error)
}
type traceWriter interface {
WriteEvent(raw.Event) error
}