func main() {
flags := flag.NewFlagSet("", flag.ContinueOnError)
cmd := "help"
var cmdArgs []string
if err := flags.Parse(os.Args[1:]); err == nil && flags.NArg() != 0 {
cmd = flags.Arg(0)
cmdArgs = flags.Args()[1:]
if cmd == "help" && flags.NArg() == 2 {
cmd = flags.Arg(1)
cmdArgs = []string{"--help"}
}
}
options := &gbuild.Options{CreateMapFile: true}
switch cmd {
case "build":
buildFlags := flag.NewFlagSet("build command", flag.ExitOnError)
var pkgObj string
buildFlags.StringVar(&pkgObj, "o", "", "output file")
buildFlags.BoolVar(&options.Verbose, "v", false, "print the names of packages as they are compiled")
buildFlags.BoolVar(&options.Watch, "w", false, "watch for changes to the source files")
buildFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
buildFlags.Parse(cmdArgs)
for {
s := gbuild.NewSession(options)
exitCode := handleError(func() error {
if buildFlags.NArg() == 0 {
return s.BuildDir(currentDirectory, currentDirectory, pkgObj)
}
if strings.HasSuffix(buildFlags.Arg(0), ".go") {
for _, arg := range buildFlags.Args() {
if !strings.HasSuffix(arg, ".go") {
return fmt.Errorf("named files must be .go files")
}
}
if pkgObj == "" {
basename := filepath.Base(buildFlags.Arg(0))
pkgObj = basename[:len(basename)-3] + ".js"
}
names := make([]string, buildFlags.NArg())
for i, name := range buildFlags.Args() {
name = filepath.ToSlash(name)
names[i] = name
if s.Watcher != nil {
s.Watcher.Watch(filepath.ToSlash(name))
}
}
if err := s.BuildFiles(buildFlags.Args(), pkgObj, currentDirectory); err != nil {
return err
}
return nil
}
for _, pkgPath := range buildFlags.Args() {
pkgPath = filepath.ToSlash(pkgPath)
if s.Watcher != nil {
s.Watcher.Watch(pkgPath)
}
buildPkg, err := gbuild.Import(pkgPath, 0, s.ArchSuffix())
if err != nil {
return err
}
pkg := &gbuild.PackageData{Package: buildPkg}
if err := s.BuildPackage(pkg); err != nil {
return err
}
if pkgObj == "" {
pkgObj = filepath.Base(buildFlags.Arg(0)) + ".js"
}
if err := s.WriteCommandPackage(pkg, pkgObj); err != nil {
return err
}
}
return nil
})
if s.Watcher == nil {
os.Exit(exitCode)
}
s.WaitForChange()
}
case "install":
installFlags := flag.NewFlagSet("install command", flag.ExitOnError)
installFlags.BoolVar(&options.Verbose, "v", false, "print the names of packages as they are compiled")
installFlags.BoolVar(&options.Watch, "w", false, "watch for changes to the source files")
installFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
installFlags.Parse(cmdArgs)
for {
s := gbuild.NewSession(options)
exitCode := handleError(func() error {
pkgs := installFlags.Args()
if len(pkgs) == 0 {
firstGopathWorkspace := filepath.SplitList(build.Default.GOPATH)[0] // TODO: The GOPATH workspace that contains the package source should be chosen.
srcDir, err := filepath.EvalSymlinks(filepath.Join(firstGopathWorkspace, "src"))
if err != nil {
return err
}
if !strings.HasPrefix(currentDirectory, srcDir) {
return fmt.Errorf("gopherjs install: no install location for directory %s outside GOPATH", currentDirectory)
}
pkgPath, err := filepath.Rel(srcDir, currentDirectory)
if err != nil {
return err
}
pkgs = []string{pkgPath}
}
for _, pkgPath := range pkgs {
pkgPath = filepath.ToSlash(pkgPath)
if _, err := s.ImportPackage(pkgPath); err != nil {
return err
}
pkg := s.Packages[pkgPath]
if err := s.WriteCommandPackage(pkg, pkg.PkgObj); err != nil {
return err
}
}
return nil
})
if s.Watcher == nil {
os.Exit(exitCode)
}
s.WaitForChange()
}
case "run":
runFlags := flag.NewFlagSet("run command", flag.ExitOnError)
runFlags.Parse(cmdArgs)
os.Exit(handleError(func() error {
lastSourceArg := 0
for {
if !strings.HasSuffix(runFlags.Arg(lastSourceArg), ".go") {
break
}
lastSourceArg++
}
if lastSourceArg == 0 {
return fmt.Errorf("gopherjs run: no go files listed")
}
tempfile, err := ioutil.TempFile("", filepath.Base(runFlags.Arg(0))+".")
if err != nil {
return err
}
defer func() {
tempfile.Close()
os.Remove(tempfile.Name())
}()
s := gbuild.NewSession(options)
if err := s.BuildFiles(runFlags.Args()[:lastSourceArg], tempfile.Name(), currentDirectory); err != nil {
return err
}
if err := runNode(tempfile.Name(), runFlags.Args()[lastSourceArg:], ""); err != nil {
return err
}
return nil
}))
case "test":
testFlags := flag.NewFlagSet("test command", flag.ExitOnError)
verbose := testFlags.Bool("v", false, "verbose")
short := testFlags.Bool("short", false, "short")
testFlags.BoolVar(&options.Minify, "m", false, "minify generated code")
testFlags.Parse(cmdArgs)
os.Exit(handleError(func() error {
pkgs := make([]*build.Package, testFlags.NArg())
for i, pkgPath := range testFlags.Args() {
pkgPath = filepath.ToSlash(pkgPath)
var err error
pkgs[i], err = gbuild.Import(pkgPath, 0, "js")
if err != nil {
return err
}
}
if len(pkgs) == 0 {
firstGopathWorkspace := filepath.SplitList(build.Default.GOPATH)[0] // TODO: Not sure if always picking first GOPATH workspace here is the right thing.
srcDir, err := filepath.EvalSymlinks(filepath.Join(firstGopathWorkspace, "src"))
if err != nil {
return err
}
var pkg *build.Package
if strings.HasPrefix(currentDirectory, srcDir) {
pkgPath, err := filepath.Rel(srcDir, currentDirectory)
if err != nil {
return err
}
if pkg, err = gbuild.Import(pkgPath, 0, "js"); err != nil {
return err
}
}
if pkg == nil {
if pkg, err = build.ImportDir(currentDirectory, 0); err != nil {
return err
}
pkg.ImportPath = "_" + currentDirectory
}
pkgs = []*build.Package{pkg}
}
var exitErr error
for _, buildPkg := range pkgs {
if len(buildPkg.TestGoFiles) == 0 && len(buildPkg.XTestGoFiles) == 0 {
fmt.Printf("? \t%s\t[no test files]\n", buildPkg.ImportPath)
continue
}
buildPkg.PkgObj = ""
buildPkg.GoFiles = append(buildPkg.GoFiles, buildPkg.TestGoFiles...)
pkg := &gbuild.PackageData{Package: buildPkg}
s := gbuild.NewSession(options)
if err := s.BuildPackage(pkg); err != nil {
return err
}
tests := &testFuncs{Package: buildPkg}
collectTests := func(pkg *gbuild.PackageData, testPkg string) bool {
for _, name := range pkg.Archive.Tests {
tests.Tests = append(tests.Tests, testFunc{Package: testPkg, Name: name})
}
return len(pkg.Archive.Tests) != 0
}
tests.NeedTest = collectTests(pkg, "_test")
if len(pkg.XTestGoFiles) != 0 {
testPkg := &gbuild.PackageData{Package: &build.Package{
ImportPath: pkg.ImportPath + "_test",
Dir: pkg.Dir,
GoFiles: pkg.XTestGoFiles,
}}
if err := s.BuildPackage(testPkg); err != nil {
return err
}
tests.NeedXtest = collectTests(testPkg, "_xtest")
}
buf := bytes.NewBuffer(nil)
err := testmainTmpl.Execute(buf, tests)
if err != nil {
return err
}
fset := token.NewFileSet()
mainFile, err := parser.ParseFile(fset, "_testmain.go", buf, 0)
if err != nil {
return err
}
mainPkg := &gbuild.PackageData{
Package: &build.Package{
Name: "main",
ImportPath: "main",
},
}
mainPkg.Archive, err = compiler.Compile("main", []*ast.File{mainFile}, fset, s.ImportContext, options.Minify)
if err != nil {
return err
}
tempfile, err := ioutil.TempFile("", "test.")
if err != nil {
return err
}
defer func() {
tempfile.Close()
os.Remove(tempfile.Name())
}()
if err := s.WriteCommandPackage(mainPkg, tempfile.Name()); err != nil {
return err
}
var args []string
if *verbose {
args = append(args, "-test.v")
}
if *short {
args = append(args, "-test.short")
}
status := "ok "
start := time.Now()
if err := runNode(tempfile.Name(), args, buildPkg.Dir); err != nil {
if _, ok := err.(*exec.ExitError); !ok {
return err
}
exitErr = err
status = "FAIL"
}
fmt.Printf("%s\t%s\t%.3fs\n", status, buildPkg.ImportPath, time.Now().Sub(start).Seconds())
}
return exitErr
}))
case "tool":
tool := cmdArgs[0]
toolFlags := flag.NewFlagSet("tool command", flag.ExitOnError)
toolFlags.Bool("e", false, "")
toolFlags.Bool("l", false, "")
toolFlags.Bool("m", false, "")
toolFlags.String("o", "", "")
toolFlags.String("D", "", "")
toolFlags.String("I", "", "")
toolFlags.Parse(flags.Args()[2:])
os.Exit(handleError(func() error {
if len(tool) == 2 {
switch tool[1] {
case 'g':
basename := filepath.Base(toolFlags.Arg(0))
s := gbuild.NewSession(options)
if err := s.BuildFiles([]string{toolFlags.Arg(0)}, basename[:len(basename)-3]+".js", currentDirectory); err != nil {
return err
}
return nil
}
}
return fmt.Errorf("Tool not supported: " + tool)
}))
case "help", "":
os.Stderr.WriteString(`GopherJS is a tool for compiling Go source code to JavaScript.
Usage:
gopherjs command [arguments]
The commands are:
build compile packages and dependencies
install compile and install packages and dependencies
run compile and run Go program (requires Node.js)
test test packages (requires Node.js)
Use "go help [command]" for more information about a command.
`)
default:
fmt.Fprintf(os.Stderr, "gopherjs: unknown subcommand \"%s\"\nRun 'gopherjs help' for usage.\n", cmd)
}
}
func main() {
flag.Parse()
cmd := flag.Arg(0)
switch cmd {
case "build":
buildFlags := flag.NewFlagSet("build", flag.ContinueOnError)
var pkgObj string
buildFlags.StringVar(&pkgObj, "o", "", "")
verbose := buildFlags.Bool("v", false, "print the names of packages as they are compiled")
watch := buildFlags.Bool("w", false, "watch for changes to the source files")
buildFlags.Parse(flag.Args()[1:])
for {
s := NewSession(*verbose, *watch)
exitCode := handleError(func() error {
if buildFlags.NArg() == 0 {
buildContext := &build.Context{
GOROOT: build.Default.GOROOT,
GOPATH: build.Default.GOPATH,
GOOS: build.Default.GOOS,
GOARCH: "js",
Compiler: "gc",
}
if s.watcher != nil {
s.watcher.Watch(currentDirectory)
}
buildPkg, err := buildContext.ImportDir(currentDirectory, 0)
if err != nil {
return err
}
pkg := &packageData{Package: buildPkg}
pkg.ImportPath = currentDirectory
if err := s.buildPackage(pkg); err != nil {
return err
}
if pkgObj == "" {
pkgObj = filepath.Base(currentDirectory) + ".js"
}
if err := s.writeCommandPackage(pkg, pkgObj); err != nil {
return err
}
return nil
}
if strings.HasSuffix(buildFlags.Arg(0), ".go") {
for _, arg := range buildFlags.Args() {
if !strings.HasSuffix(arg, ".go") {
return fmt.Errorf("named files must be .go files")
}
}
if pkgObj == "" {
basename := filepath.Base(buildFlags.Arg(0))
pkgObj = basename[:len(basename)-3] + ".js"
}
names := make([]string, buildFlags.NArg())
for i, name := range buildFlags.Args() {
name = filepath.ToSlash(name)
names[i] = name
if s.watcher != nil {
s.watcher.Watch(filepath.ToSlash(name))
}
}
if err := s.buildFiles(buildFlags.Args(), pkgObj); err != nil {
return err
}
return nil
}
for _, pkgPath := range buildFlags.Args() {
pkgPath = filepath.ToSlash(pkgPath)
if s.watcher != nil {
s.watcher.Watch(pkgPath)
}
buildPkg, err := buildImport(pkgPath, 0)
if err != nil {
return err
}
pkg := &packageData{Package: buildPkg}
if err := s.buildPackage(pkg); err != nil {
return err
}
if pkgObj == "" {
pkgObj = filepath.Base(buildFlags.Arg(0)) + ".js"
}
if err := s.writeCommandPackage(pkg, pkgObj); err != nil {
return err
}
}
return nil
})
if s.watcher == nil {
os.Exit(exitCode)
}
s.waitForChange()
}
case "install":
installFlags := flag.NewFlagSet("install", flag.ContinueOnError)
verbose := installFlags.Bool("v", false, "print the names of packages as they are compiled")
watch := installFlags.Bool("w", false, "watch for changes to the source files")
installFlags.Parse(flag.Args()[1:])
for {
s := NewSession(*verbose, *watch)
exitCode := handleError(func() error {
pkgs := installFlags.Args()
if len(pkgs) == 0 {
srcDir, err := filepath.EvalSymlinks(filepath.Join(build.Default.GOPATH, "src"))
if err != nil {
return err
}
if !strings.HasPrefix(currentDirectory, srcDir) {
return fmt.Errorf("gopherjs install: no install location for directory %s outside GOPATH", currentDirectory)
}
pkgPath, err := filepath.Rel(srcDir, currentDirectory)
if err != nil {
return err
}
pkgs = []string{pkgPath}
}
for _, pkgPath := range pkgs {
pkgPath = filepath.ToSlash(pkgPath)
if _, err := s.importPackage(pkgPath); err != nil {
return err
}
pkg := s.packages[pkgPath]
if err := s.writeCommandPackage(pkg, pkg.PkgObj); err != nil {
return err
}
}
return nil
})
if s.watcher == nil {
os.Exit(exitCode)
}
s.waitForChange()
}
case "run":
os.Exit(handleError(func() error {
lastSourceArg := 1
for {
if !strings.HasSuffix(flag.Arg(lastSourceArg), ".go") {
break
}
lastSourceArg++
}
if lastSourceArg == 1 {
return fmt.Errorf("gopherjs run: no go files listed")
}
tempfile, err := ioutil.TempFile("", filepath.Base(flag.Arg(1))+".")
if err != nil {
return err
}
defer func() {
tempfile.Close()
os.Remove(tempfile.Name())
}()
s := NewSession(false, false)
if err := s.buildFiles(flag.Args()[1:lastSourceArg], tempfile.Name()); err != nil {
return err
}
if err := runNode(tempfile.Name(), flag.Args()[lastSourceArg:], ""); err != nil {
return err
}
return nil
}))
case "test":
testFlags := flag.NewFlagSet("test", flag.ContinueOnError)
verbose := testFlags.Bool("v", false, "verbose")
short := testFlags.Bool("short", false, "short")
testFlags.Parse(flag.Args()[1:])
os.Exit(handleError(func() error {
pkgs := make([]*build.Package, testFlags.NArg())
for i, pkgPath := range testFlags.Args() {
pkgPath = filepath.ToSlash(pkgPath)
var err error
pkgs[i], err = buildImport(pkgPath, 0)
if err != nil {
return err
}
}
if len(pkgs) == 0 {
srcDir, err := filepath.EvalSymlinks(filepath.Join(build.Default.GOPATH, "src"))
if err != nil {
return err
}
var pkg *build.Package
if strings.HasPrefix(currentDirectory, srcDir) {
pkgPath, err := filepath.Rel(srcDir, currentDirectory)
if err != nil {
return err
}
if pkg, err = buildImport(pkgPath, 0); err != nil {
return err
}
}
if pkg == nil {
if pkg, err = build.ImportDir(currentDirectory, 0); err != nil {
return err
}
pkg.ImportPath = "_" + currentDirectory
}
pkgs = []*build.Package{pkg}
}
var exitErr error
for _, buildPkg := range pkgs {
if len(buildPkg.TestGoFiles) == 0 && len(buildPkg.XTestGoFiles) == 0 {
fmt.Printf("? \t%s\t[no test files]\n", buildPkg.ImportPath)
continue
}
buildPkg.PkgObj = ""
buildPkg.GoFiles = append(buildPkg.GoFiles, buildPkg.TestGoFiles...)
pkg := &packageData{Package: buildPkg}
s := NewSession(false, false)
if err := s.buildPackage(pkg); err != nil {
return err
}
mainPkg := &packageData{
Package: &build.Package{
Name: "main",
ImportPath: "main",
},
Archive: &translator.Archive{
ImportPath: "main",
},
}
s.packages["main"] = mainPkg
s.t.NewEmptyTypesPackage("main")
testingOutput, err := s.importPackage("testing")
if err != nil {
panic(err)
}
mainPkg.Archive.AddDependenciesOf(testingOutput)
var mainFunc translator.Decl
var names []string
var tests []string
collectTests := func(pkg *packageData) {
for _, name := range pkg.Archive.Tests {
names = append(names, name)
tests = append(tests, fmt.Sprintf(`go$packages["%s"].%s`, pkg.ImportPath, name))
mainFunc.DceDeps = append(mainFunc.DceDeps, translator.DepId(pkg.ImportPath+":"+name))
}
mainPkg.Archive.AddDependenciesOf(pkg.Archive)
}
collectTests(pkg)
if len(pkg.XTestGoFiles) != 0 {
testPkg := &packageData{Package: &build.Package{
ImportPath: pkg.ImportPath + "_test",
Dir: pkg.Dir,
GoFiles: pkg.XTestGoFiles,
}}
if err := s.buildPackage(testPkg); err != nil {
return err
}
collectTests(testPkg)
}
mainFunc.DceDeps = append(mainFunc.DceDeps, translator.DepId("flag:Parse"))
mainFunc.BodyCode = []byte(fmt.Sprintf(`
go$pkg.main = function() {
var testing = go$packages["testing"];
testing.Main2("%s", "%s", new (go$sliceType(Go$String))(["%s"]), new (go$sliceType(go$funcType([testing.T.Ptr], [], false)))([%s]));
};
`, pkg.ImportPath, pkg.Dir, strings.Join(names, `", "`), strings.Join(tests, ", ")))
mainPkg.Archive.Declarations = []translator.Decl{mainFunc}
mainPkg.Archive.AddDependency("main")
tempfile, err := ioutil.TempFile("", "test.")
if err != nil {
return err
}
defer func() {
tempfile.Close()
os.Remove(tempfile.Name())
}()
if err := s.writeCommandPackage(mainPkg, tempfile.Name()); err != nil {
return err
}
var args []string
if *verbose {
args = append(args, "-test.v")
}
if *short {
args = append(args, "-test.short")
}
if err := runNode(tempfile.Name(), args, ""); err != nil {
if _, ok := err.(*exec.ExitError); !ok {
return err
}
exitErr = err
}
}
return exitErr
}))
case "tool":
tool := flag.Arg(1)
toolFlags := flag.NewFlagSet("tool", flag.ContinueOnError)
toolFlags.Bool("e", false, "")
toolFlags.Bool("l", false, "")
toolFlags.Bool("m", false, "")
toolFlags.String("o", "", "")
toolFlags.String("D", "", "")
toolFlags.String("I", "", "")
toolFlags.Parse(flag.Args()[2:])
os.Exit(handleError(func() error {
if len(tool) == 2 {
switch tool[1] {
case 'g':
basename := filepath.Base(toolFlags.Arg(0))
s := NewSession(false, false)
if err := s.buildFiles([]string{toolFlags.Arg(0)}, basename[:len(basename)-3]+".js"); err != nil {
return err
}
return nil
}
}
return fmt.Errorf("Tool not supported: " + tool)
}))
case "help", "":
os.Stderr.WriteString(`GopherJS is a tool for compiling Go source code to JavaScript.
Usage:
gopherjs command [arguments]
The commands are:
build compile packages and dependencies
install compile and install packages and dependencies
run compile and run Go program (requires Node.js)
test test packages (requires Node.js)
`)
default:
fmt.Fprintf(os.Stderr, "gopherjs: unknown subcommand \"%s\"\nRun 'gopherjs help' for usage.\n", cmd)
}
}
func main() {
options := &gbuild.Options{CreateMapFile: true}
var pkgObj string
pflag.BoolVarP(&options.Verbose, "verbose", "v", false, "print the names of packages as they are compiled")
flagVerbose := pflag.Lookup("verbose")
pflag.BoolVarP(&options.Watch, "watch", "w", false, "watch for changes to the source files")
flagWatch := pflag.Lookup("watch")
pflag.BoolVarP(&options.Minify, "minify", "m", false, "minify generated code")
flagMinify := pflag.Lookup("minify")
pflag.BoolVar(&options.Color, "color", terminal.IsTerminal(int(os.Stderr.Fd())) && os.Getenv("TERM") != "dumb", "colored output")
flagColor := pflag.Lookup("color")
tags := pflag.String("tags", "", "a list of build tags to consider satisfied during the build")
flagTags := pflag.Lookup("tags")
cmdBuild := &cobra.Command{
Use: "build [packages]",
Short: "compile packages and dependencies",
}
cmdBuild.Flags().StringVarP(&pkgObj, "output", "o", "", "output file")
cmdBuild.Flags().AddFlag(flagVerbose)
cmdBuild.Flags().AddFlag(flagWatch)
cmdBuild.Flags().AddFlag(flagMinify)
cmdBuild.Flags().AddFlag(flagColor)
cmdBuild.Flags().AddFlag(flagTags)
cmdBuild.Run = func(cmd *cobra.Command, args []string) {
options.BuildTags = strings.Fields(*tags)
for {
s := gbuild.NewSession(options)
exitCode := handleError(func() error {
if len(args) == 0 {
return s.BuildDir(currentDirectory, currentDirectory, pkgObj)
}
if strings.HasSuffix(args[0], ".go") || strings.HasSuffix(args[0], ".inc.js") {
for _, arg := range args {
if !strings.HasSuffix(arg, ".go") && !strings.HasSuffix(arg, ".inc.js") {
return fmt.Errorf("named files must be .go or .inc.js files")
}
}
if pkgObj == "" {
basename := filepath.Base(args[0])
pkgObj = basename[:len(basename)-3] + ".js"
}
names := make([]string, len(args))
for i, name := range args {
name = filepath.ToSlash(name)
names[i] = name
if s.Watcher != nil {
s.Watcher.Add(name)
}
}
if err := s.BuildFiles(args, pkgObj, currentDirectory); err != nil {
return err
}
return nil
}
for _, pkgPath := range args {
pkgPath = filepath.ToSlash(pkgPath)
if s.Watcher != nil {
s.Watcher.Add(pkgPath)
}
buildPkg, err := gbuild.Import(pkgPath, 0, s.InstallSuffix(), options.BuildTags)
if err != nil {
return err
}
pkg := &gbuild.PackageData{Package: buildPkg}
if err := s.BuildPackage(pkg); err != nil {
return err
}
if pkgObj == "" {
pkgObj = filepath.Base(args[0]) + ".js"
}
if err := s.WriteCommandPackage(pkg, pkgObj); err != nil {
return err
}
}
return nil
}, options, nil)
if s.Watcher == nil {
os.Exit(exitCode)
}
s.WaitForChange()
}
}
cmdInstall := &cobra.Command{
Use: "install [packages]",
Short: "compile and install packages and dependencies",
}
cmdInstall.Flags().AddFlag(flagVerbose)
cmdInstall.Flags().AddFlag(flagWatch)
cmdInstall.Flags().AddFlag(flagMinify)
cmdInstall.Flags().AddFlag(flagColor)
cmdInstall.Flags().AddFlag(flagTags)
cmdInstall.Run = func(cmd *cobra.Command, args []string) {
options.BuildTags = strings.Fields(*tags)
for {
s := gbuild.NewSession(options)
exitCode := handleError(func() error {
pkgs := args
if len(pkgs) == 0 {
firstGopathWorkspace := filepath.SplitList(build.Default.GOPATH)[0] // TODO: The GOPATH workspace that contains the package source should be chosen.
srcDir, err := filepath.EvalSymlinks(filepath.Join(firstGopathWorkspace, "src"))
if err != nil {
return err
}
if !strings.HasPrefix(currentDirectory, srcDir) {
return fmt.Errorf("gopherjs install: no install location for directory %s outside GOPATH", currentDirectory)
}
pkgPath, err := filepath.Rel(srcDir, currentDirectory)
if err != nil {
return err
}
pkgs = []string{pkgPath}
}
if cmd.Name() == "get" {
goGet := exec.Command("go", append([]string{"get", "-d"}, pkgs...)...)
goGet.Stdout = os.Stdout
goGet.Stderr = os.Stderr
if err := goGet.Run(); err != nil {
return err
}
}
for _, pkgPath := range pkgs {
pkgPath = filepath.ToSlash(pkgPath)
if _, err := s.ImportPackage(pkgPath); err != nil {
return err
}
pkg := s.Packages[pkgPath]
if err := s.WriteCommandPackage(pkg, pkg.PkgObj); err != nil {
return err
}
}
return nil
}, options, nil)
if s.Watcher == nil {
os.Exit(exitCode)
}
s.WaitForChange()
}
}
cmdGet := &cobra.Command{
Use: "get [packages]",
Short: "download and install packages and dependencies",
}
cmdGet.Flags().AddFlag(flagVerbose)
cmdGet.Flags().AddFlag(flagWatch)
cmdGet.Flags().AddFlag(flagMinify)
cmdGet.Flags().AddFlag(flagColor)
cmdGet.Flags().AddFlag(flagTags)
cmdGet.Run = cmdInstall.Run
cmdRun := &cobra.Command{
Use: "run [gofiles...] [arguments...]",
Short: "compile and run Go program",
}
cmdRun.Run = func(cmd *cobra.Command, args []string) {
os.Exit(handleError(func() error {
lastSourceArg := 0
for {
if lastSourceArg == len(args) || !(strings.HasSuffix(args[lastSourceArg], ".go") || strings.HasSuffix(args[lastSourceArg], ".inc.js")) {
break
}
lastSourceArg++
}
if lastSourceArg == 0 {
return fmt.Errorf("gopherjs run: no go files listed")
}
tempfile, err := ioutil.TempFile("", filepath.Base(args[0])+".")
if err != nil {
return err
}
defer func() {
tempfile.Close()
os.Remove(tempfile.Name())
os.Remove(tempfile.Name() + ".map")
}()
s := gbuild.NewSession(options)
if err := s.BuildFiles(args[:lastSourceArg], tempfile.Name(), currentDirectory); err != nil {
return err
}
if err := runNode(tempfile.Name(), args[lastSourceArg:], ""); err != nil {
return err
}
return nil
}, options, nil))
}
cmdTest := &cobra.Command{
Use: "test [packages]",
Short: "test packages",
}
bench := cmdTest.Flags().String("bench", "", "Run benchmarks matching the regular expression. By default, no benchmarks run. To run all benchmarks, use '--bench=.'.")
run := cmdTest.Flags().String("run", "", "Run only those tests and examples matching the regular expression.")
short := cmdTest.Flags().Bool("short", false, "Tell long-running tests to shorten their run time.")
verbose := cmdTest.Flags().BoolP("verbose", "v", false, "Log all tests as they are run. Also print all text from Log and Logf calls even if the test succeeds.")
cmdTest.Flags().AddFlag(flagMinify)
cmdTest.Flags().AddFlag(flagColor)
cmdTest.Run = func(cmd *cobra.Command, args []string) {
os.Exit(handleError(func() error {
pkgs := make([]*build.Package, len(args))
for i, pkgPath := range args {
pkgPath = filepath.ToSlash(pkgPath)
var err error
pkgs[i], err = gbuild.Import(pkgPath, 0, "", nil)
if err != nil {
return err
}
}
if len(pkgs) == 0 {
firstGopathWorkspace := filepath.SplitList(build.Default.GOPATH)[0]
srcDir, err := filepath.EvalSymlinks(filepath.Join(firstGopathWorkspace, "src"))
if err != nil {
return err
}
var pkg *build.Package
if strings.HasPrefix(currentDirectory, srcDir) {
pkgPath, err := filepath.Rel(srcDir, currentDirectory)
if err != nil {
return err
}
if pkg, err = gbuild.Import(pkgPath, 0, "", nil); err != nil {
return err
}
}
if pkg == nil {
if pkg, err = build.ImportDir(currentDirectory, 0); err != nil {
return err
}
pkg.ImportPath = "_" + currentDirectory
}
pkgs = []*build.Package{pkg}
}
var exitErr error
for _, pkg := range pkgs {
if len(pkg.TestGoFiles) == 0 && len(pkg.XTestGoFiles) == 0 {
fmt.Printf("? \t%s\t[no test files]\n", pkg.ImportPath)
continue
}
s := gbuild.NewSession(options)
tests := &testFuncs{Package: pkg}
collectTests := func(buildPkg *build.Package, testPkgName string, needVar *bool) error {
testPkg := &gbuild.PackageData{Package: buildPkg, IsTest: true}
if err := s.BuildPackage(testPkg); err != nil {
return err
}
for _, decl := range testPkg.Archive.Declarations {
if strings.HasPrefix(decl.FullName, testPkg.ImportPath+".Test") {
tests.Tests = append(tests.Tests, testFunc{Package: testPkgName, Name: decl.FullName[len(testPkg.ImportPath)+1:]})
*needVar = true
}
if strings.HasPrefix(decl.FullName, testPkg.ImportPath+".Benchmark") {
tests.Benchmarks = append(tests.Benchmarks, testFunc{Package: testPkgName, Name: decl.FullName[len(testPkg.ImportPath)+1:]})
*needVar = true
}
}
return nil
}
if err := collectTests(&build.Package{
ImportPath: pkg.ImportPath,
Dir: pkg.Dir,
GoFiles: append(pkg.GoFiles, pkg.TestGoFiles...),
Imports: append(pkg.Imports, pkg.TestImports...),
}, "_test", &tests.NeedTest); err != nil {
return err
}
if err := collectTests(&build.Package{
ImportPath: pkg.ImportPath + "_test",
Dir: pkg.Dir,
GoFiles: pkg.XTestGoFiles,
Imports: pkg.XTestImports,
}, "_xtest", &tests.NeedXtest); err != nil {
return err
}
buf := bytes.NewBuffer(nil)
if err := testmainTmpl.Execute(buf, tests); err != nil {
return err
}
fset := token.NewFileSet()
mainFile, err := parser.ParseFile(fset, "_testmain.go", buf, 0)
if err != nil {
return err
}
mainPkg := &gbuild.PackageData{
Package: &build.Package{
Name: "main",
ImportPath: "main",
},
}
mainPkg.Archive, err = compiler.Compile("main", []*ast.File{mainFile}, fset, s.ImportContext, options.Minify)
if err != nil {
return err
}
tempfile, err := ioutil.TempFile("", "test.")
if err != nil {
return err
}
defer func() {
tempfile.Close()
os.Remove(tempfile.Name())
os.Remove(tempfile.Name() + ".map")
}()
if err := s.WriteCommandPackage(mainPkg, tempfile.Name()); err != nil {
return err
}
var args []string
if *bench != "" {
args = append(args, "-test.bench", *bench)
}
if *run != "" {
args = append(args, "-test.run", *run)
}
if *short {
args = append(args, "-test.short")
}
if *verbose {
args = append(args, "-test.v")
}
status := "ok "
start := time.Now()
if err := runNode(tempfile.Name(), args, pkg.Dir); err != nil {
if _, ok := err.(*exec.ExitError); !ok {
return err
}
exitErr = err
status = "FAIL"
}
fmt.Printf("%s\t%s\t%.3fs\n", status, pkg.ImportPath, time.Now().Sub(start).Seconds())
}
return exitErr
}, options, nil))
}
cmdTool := &cobra.Command{
Use: "tool [command] [args...]",
Short: "run specified go tool",
}
cmdTool.Flags().BoolP("e", "e", false, "")
cmdTool.Flags().BoolP("l", "l", false, "")
cmdTool.Flags().BoolP("m", "m", false, "")
cmdTool.Flags().StringP("o", "o", "", "")
cmdTool.Flags().StringP("D", "D", "", "")
cmdTool.Flags().StringP("I", "I", "", "")
cmdTool.Run = func(cmd *cobra.Command, args []string) {
os.Exit(handleError(func() error {
if len(args) == 2 {
switch args[0][1] {
case 'g':
basename := filepath.Base(args[1])
s := gbuild.NewSession(options)
if err := s.BuildFiles([]string{args[1]}, basename[:len(basename)-3]+".js", currentDirectory); err != nil {
return err
}
return nil
}
}
cmdTool.Help()
return nil
}, options, nil))
}
cmdServe := &cobra.Command{
Use: "serve",
Short: "compile on-the-fly and serve",
}
cmdServe.Flags().AddFlag(flagVerbose)
cmdServe.Flags().AddFlag(flagMinify)
cmdServe.Flags().AddFlag(flagColor)
cmdServe.Flags().AddFlag(flagTags)
var port int
cmdServe.Flags().IntVarP(&port, "port", "p", 8080, "HTTP port")
cmdServe.Run = func(cmd *cobra.Command, args []string) {
options.BuildTags = strings.Fields(*tags)
dirs := append(filepath.SplitList(build.Default.GOPATH), build.Default.GOROOT)
sourceFiles := http.FileServer(serveCommandFileSystem{options: options, dirs: dirs, sourceMaps: make(map[string][]byte)})
fmt.Printf("serving at http://localhost:%d\n", port)
fmt.Println(http.ListenAndServe(fmt.Sprintf(":%d", port), sourceFiles))
}
rootCmd := &cobra.Command{
Use: "gopherjs",
Long: "GopherJS is a tool for compiling Go source code to JavaScript.",
}
rootCmd.AddCommand(cmdBuild, cmdGet, cmdInstall, cmdRun, cmdTest, cmdTool, cmdServe)
rootCmd.Execute()
}
