blob: 8dd51727b2c34621706d3c132ec8dfb6e0f4213d [file] [log] [blame]
// Copyright 2014 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.
package main
import (
"flag"
"fmt"
"go/importer"
"log"
"os"
"os/exec"
"strings"
)
var (
lang = flag.String("lang", "java", "target language for bindings, either java, go, or objc (experimental).")
outdir = flag.String("outdir", "", "result will be written to the directory instead of stdout.")
javaPkg = flag.String("javapkg", "", "custom Java package path used instead of the default 'go.<go package name>'. Valid only with -lang=java.")
prefix = flag.String("prefix", "", "custom Objective-C name prefix used instead of the default 'Go'. Valid only with -lang=objc.")
)
var usage = `The Gobind tool generates Java language bindings for Go.
For usage details, see doc.go.`
func main() {
flag.Parse()
if *lang != "java" && *javaPkg != "" {
log.Fatalf("Invalid option -javapkg for gobind -lang=%s", *lang)
} else if *lang != "objc" && *prefix != "" {
log.Fatalf("Invalid option -prefix for gobind -lang=%s", *lang)
}
// Make sure the export data for the packages being compiled is up to
// date. Also use the go tool to provide good error messages for any
// type checking errors in the provided packages.
cmd := exec.Command("go", "install")
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
cmd.Args = append(cmd.Args, flag.Args()...)
if err := cmd.Run(); err != nil {
fmt.Fprintf(os.Stderr, "%s failed: %v", strings.Join(cmd.Args, " "), err)
os.Exit(1)
}
for _, arg := range flag.Args() {
pkg, err := importer.Default().Import(arg)
if err != nil {
fmt.Fprintf(os.Stderr, "could not import package %s: %v", arg, err)
os.Exit(1)
}
genPkg(pkg)
}
os.Exit(exitStatus)
}
var exitStatus = 0
func errorf(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, format, args...)
fmt.Fprintln(os.Stderr)
exitStatus = 1
}