func rewriteSubcommand(args []string, opts *rewriteOptions) {
st := new(rewriteState)
if len(args) > 0 {
for _, v := range args {
if pkg, err := build.ImportDir(v, 0); err == nil {
rewritePackage(pkg, st, opts)
continue
}
pkg, err := build.Import(v, "", 0)
if err != nil {
log.Printf("error importing %s: %s", v, err)
continue
}
rewritePackage(pkg, st, opts)
}
} else {
abs, err := filepath.Abs(".")
if err != nil {
panic(err)
}
pkg, err := build.ImportDir(abs, 0)
if err != nil {
log.Fatalf("error importing %s: %s", abs, err)
}
rewritePackage(pkg, st, opts)
}
}
// loadPackage is like loadImport but is used for command-line arguments,
// not for paths found in import statements. In addition to ordinary import paths,
// loadPackage accepts pseudo-paths beginning with cmd/ to denote commands
// in the Go command directory, as well as paths to those directories.
func loadPackage(arg string, stk *importStack) *Package {
if build.IsLocalImport(arg) { // TODO Call to build.
dir := arg
if !filepath.IsAbs(dir) {
if abs, err := filepath.Abs(dir); err == nil {
// interpret relative to current directory
dir = abs
}
}
// Map gorootSrc to Odoo
if sub, ok := hasSubdir(gorootSrc, dir); ok && strings.HasPrefix(sub, "cmd/") && !strings.Contains(sub[4:], "/") {
arg = sub
}
}
if strings.HasPrefix(arg, "cmd/") && !strings.Contains(arg[4:], "/") {
if p := cmdCache[arg]; p != nil {
return p
}
stk.push(arg)
defer stk.pop()
bp, err := build.ImportDir(filepath.Join(gorootSrc, arg), 0)
bp.ImportPath = arg
bp.Goroot = true
bp.BinDir = gorootBin
if gobin != "" {
bp.BinDir = gobin
}
bp.Root = goroot
bp.SrcRoot = gorootSrc
p := new(Package)
cmdCache[arg] = p
p.load(stk, bp, err)
if p.Error == nil && p.Name != "main" {
p.Error = &PackageError{
ImportStack: stk.copy(),
Err: fmt.Sprintf("expected package main but found package %s in %s", p.Name, p.Dir),
}
}
return p
}
// Wasn't a command; must be a package.
// If it is a local import path but names a standard package,
// we treat it as if the user specified the standard package.
// This lets you run go test ./ioutil in package io and be
// referring to io/ioutil rather than a hypothetical import of
// "./ioutil".
if build.IsLocalImport(arg) {
bp, _ := build.ImportDir(filepath.Join(cwd, arg), build.FindOnly)
if bp.ImportPath != "" && bp.ImportPath != "." {
arg = bp.ImportPath
}
}
return loadImport(arg, cwd, stk, nil)
}
// ImportDir gives a single instrumentable golang package. See Import.
func ImportDir(basepkg, pkgname string) (*Instrumentable, error) {
pkg, err := build.ImportDir(pkgname, 0)
if err != nil {
return nil, err
}
return &Instrumentable{pkg, basepkg, pkgname}, nil
}
func FindRepos(from string) ([]Dependency, error) {
pkg, err := build.ImportDir(from, 0)
if err != nil {
return nil, fmt.Errorf("unable to load package at %s: %s", from, err)
}
imports := make(map[string]*build.Package)
err = findAllImports(pkg, imports)
if err != nil {
return nil, err
}
delete(imports, pkg.Dir)
repos := make(map[string]Dependency)
for _, val := range imports {
if !val.Goroot {
repo, err := FindRepo(val)
if err != nil {
return nil, err
}
repos[repo.Root()] = repo
}
}
rs := make([]Dependency, 0, 0)
for _, val := range repos {
rs = append(rs, val)
}
return rs, nil
}
func loadExportsGoPath(dir string) map[string]bool {
exports := make(map[string]bool)
buildPkg, err := build.ImportDir(dir, 0)
if err != nil {
if strings.Contains(err.Error(), "no buildable Go source files in") {
return nil
}
fmt.Fprintf(os.Stderr, "could not import %q: %v", dir, err)
return nil
}
fset := token.NewFileSet()
for _, file := range buildPkg.GoFiles {
f, err := parser.ParseFile(fset, filepath.Join(dir, file), nil, 0)
if err != nil {
fmt.Fprintf(os.Stderr, "could not parse %q: %v", file, err)
continue
}
for name := range f.Scope.Objects {
if ast.IsExported(name) {
exports[name] = true
}
}
}
return exports
}
// DirToImport converts a directory path on the local machine to a
// Go import path (usually relative to the $GOPATH/src directory)
//
// For example,
// /Users/user/workspace/Go/github.com/momchil-atanasov/gostub
// will be converted to
// github.com/momchil-atanasov/gostub
// should GOPATH include the location
// /Users/user/workspace/Go
func DirToImport(p string) (string, error) {
pkg, err := build.ImportDir(p, build.FindOnly)
if err != nil {
return "", err
}
return pkg.ImportPath, nil
}
func bakeCommand(_ *command.Args, opts *bakeOptions) error {
extensions := []string{".html", ".css", ".js"}
if opts.Dir == "" {
return errors.New("dir can't be empty")
}
if opts.Name == "" {
base := filepath.Base(opts.Dir)
if opts.VFS {
opts.Name = base + "FS"
} else {
opts.Name = base + "Data"
}
}
if opts.Out == "" {
opts.Out = filepath.Base(opts.Dir) + "_baked.go"
}
// go ignores files starting with _
opts.Out = strings.TrimLeft(opts.Out, "_")
extensions = append(extensions, strings.Split(opts.Extensions, ",")...)
var buf bytes.Buffer
odir := filepath.Dir(opts.Out)
p, err := build.ImportDir(odir, 0)
if err == nil {
buf.WriteString(fmt.Sprintf("package %s\n", p.Name))
}
buf.WriteString(genutil.AutogenString())
if err := writeBakedFSCode(&buf, opts, extensions); err != nil {
return err
}
if err := genutil.WriteAutogen(opts.Out, buf.Bytes()); err != nil {
return err
}
log.Debugf("Assets written to %s (%d bytes)", opts.Out, buf.Len())
return nil
}
func (self *Packager) ListenForever() {
for {
incoming := <-self.in
packages := map[string]*Package{} // key: Folder path
for file := range incoming {
pkg, found := packages[file.ParentFolder]
if !found {
pkg = &Package{}
var err error
pkg.Info, err = build.ImportDir(file.ParentFolder, build.AllowBinary)
if err != nil {
// TODO: Need to handle this. It happens when a .go file is blank (and doesn't have a package declaration)...
continue
}
packages[file.ParentFolder] = pkg
}
if file.IsModified && file.IsGoTestFile {
pkg.IsModifiedTest = true
} else if file.IsModified && !file.IsGoTestFile && file.IsGoFile {
pkg.IsModifiedCode = true
}
}
outgoing := make(chan *Package)
self.out <- outgoing
for _, pkg := range packages {
outgoing <- pkg
}
close(outgoing)
}
}
func packageFromDir(t *testing.T, dir string) *build.Package {
pkg, err := build.ImportDir(dir, build.ImportComment)
if err != nil {
t.Fatalf("build.ImportDir(%q, build.ImportComment) failed with %v; want success", dir, err)
}
return pkg
}
// returns the package in dir either from a cache or by importing it and then caching it
func fullPackageInDir(dir string) (*build.Package, error) {
var err error
pkg, ok := pkgCache[dir]
if !ok {
pkg, err = build.ImportDir(dir, build.FindOnly)
if pkg.Goroot {
pkg, err = build.ImportDir(pkg.Dir, 0)
} else {
fillPackage(pkg)
}
if err == nil {
pkgCache[dir] = pkg
}
}
return pkg, err
}
func main() {
flag.Parse()
if build.Default.GOARCH == "amd64" {
ptrKind = "Q"
ptrSize = 8
if *useInt64 {
intSize = 8
newIntSize = intSize
intKind = "Q"
}
if *fixInt64 {
newIntSize = 8
*fixOffset = true
}
}
args := flag.Args()
if len(args) == 0 {
p, err := build.ImportDir(".", 0)
if err != nil {
log.Fatal(err)
}
check(p)
} else {
for _, arg := range args {
p, err := build.Import(arg, "", 0)
if err != nil {
log.Print(err)
continue
}
check(p)
}
}
}
// FindJujuCoreImports returns a sorted list of juju-core packages that are
// imported by the packageName parameter. The resulting list removes the
// common prefix "launchpad.net/juju-core/" leaving just the short names.
func FindJujuCoreImports(c *gc.C, packageName string) []string {
var imports []string
for _, root := range build.Default.SrcDirs() {
fullpath := filepath.Join(root, packageName)
pkg, err := build.ImportDir(fullpath, 0)
if err == nil {
imports = pkg.Imports
break
}
}
if imports == nil {
c.Fatalf(packageName + " not found")
}
var result []string
const prefix = "launchpad.net/juju-core/"
for _, name := range imports {
if strings.HasPrefix(name, prefix) {
result = append(result, name[len(prefix):])
}
}
sort.Strings(result)
return result
}
// importDir is just an error-catching wrapper for build.ImportDir.
func importDir(dir string) *build.Package {
pkg, err := build.ImportDir(dir, build.ImportComment)
if err != nil {
log.Fatal(err)
}
return pkg
}
func dotPackage() (*build.Package, error) {
dir, err := filepath.Abs(".")
if err != nil {
return nil, err
}
return build.ImportDir(dir, build.FindOnly)
}
// ImportDir gives a single instrumentable golang package. See Import.
func ImportDir(basepkg, pkgname string) (*Instrumentable, error) {
pkg, err := build.ImportDir(pkgname, 0)
if err != nil {
return nil, err
}
return &Instrumentable{pkg, basepkg, pkgname, false, make(map[string]bool)}, nil
}
func Compile(filename string, translations []*po.Po, opts *CompileOptions) error {
var buf bytes.Buffer
dir := filepath.Dir(filename)
p, err := build.ImportDir(dir, 0)
if err == nil {
fmt.Fprintf(&buf, "package %s\n", p.Name)
}
buf.WriteString("import \"gnd.la/i18n/table\"\n")
buf.WriteString(genutil.AutogenString())
buf.WriteString("func init() {\n")
var defaultContext string
if opts != nil {
defaultContext = opts.DefaultContext
}
for _, v := range translations {
table := poToTable(v, defaultContext)
form, err := funcFromFormula(v.Attrs["Plural-Forms"])
if err != nil {
return err
}
data, err := table.Encode()
if err != nil {
return err
}
fmt.Fprintf(&buf, "table.Register(%q, func (n int) int {\n%s\n}, %q)\n", v.Attrs["Language"], form, data)
}
buf.WriteString("\n}\n")
return genutil.WriteAutogen(filename, buf.Bytes())
}
func generateTypes(input, constraint string) []byte {
// Get working directory
currentFolder, err := os.Getwd()
if err != nil {
log.Fatalf("Unable to obtain current working directory: %s", err)
}
// Read current package
pkg, err := build.ImportDir(currentFolder, build.AllowBinary)
if err != nil {
log.Fatalf("Failed to determine go package inside directory '%s' - is your GOPATH set correctly ('%s')? Error: %s", currentFolder, os.Getenv("GOPATH"), err)
}
file, err := filepath.Abs(input)
if err != nil {
log.Fatalf("Hit error: %v", err)
}
job := jsonschema2go.Job{
Package: pkg.Name,
ExportTypes: true,
HideStructMembers: false,
URLs: []string{"file://" + file},
SkipCodeGen: false,
}
result, err := job.Execute()
if err != nil {
log.Fatalf("Failed to generate source code: %v", err)
}
source := result.SourceCode
if len(constraint) > 0 {
source = append([]byte("// +build "+constraint+"\n"), result.SourceCode...)
}
return source
}
func runGenerate(cmd *Command) {
action := "updated"
var err error
var spec *Spec
var pack *build.Package
// read spec
if _, err = os.Stat(SpecFileName); os.IsNotExist(err) {
action = "generated"
spec = new(Spec)
} else {
spec = ReadSpec()
}
// read package
pack, err = build.ImportDir(".", 0)
PanicIfErr(err)
// add example author
if len(spec.Authors) == 0 {
spec.Authors = []Person{{FullName: ExampleFullName, Email: ExampleEmail}}
}
// some extra files
if len(spec.ExtraFiles) == 0 {
var globs []string
for _, glob := range []string{"read*", "licen?e*", "copying*", "contrib*", "author*",
"thank*", "news*", "change*", "install*", "bug*", "todo*"} {
globs = append(globs, glob, strings.ToUpper(glob), strings.Title(glob))
}
for _, glob := range globs {
files, err := filepath.Glob(glob)
PanicIfErr(err)
spec.ExtraFiles = append(spec.ExtraFiles, files...)
}
}
// write spec
f, err := os.OpenFile(SpecFileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, SpecFilePerm)
PanicIfErr(err)
defer f.Close()
_, err = spec.WriteTo(f)
PanicIfErr(err)
if generateV {
log.Printf("%s %s.", SpecFileName, action)
}
// check spec and package
errors := spec.Check()
errors = append(errors, CheckPackage(pack)...)
if len(errors) != 0 {
log.Print("\nYou should fix following issues:")
for _, e := range errors {
log.Printf(" %s", e)
}
log.Print("\nAfter that run 'nut check' to check spec again.")
}
}
// GetImports returns package denpendencies.
func GetImports(absPath, importPath string, example bool) []string {
pkg, err := build.ImportDir(absPath, build.AllowBinary)
if err != nil {
if _, ok := err.(*build.NoGoError); !ok {
log.Error("", "Fail to get imports")
log.Fatal("", err.Error())
}
}
fis := GetDirsInfo(absPath)
absPath += "/"
dirs := make([]string, 0)
for _, fi := range fis {
if fi.IsDir() && !strings.Contains(fi.Name(), VENDOR) {
dirs = append(dirs, absPath+fi.Name())
}
}
imports := make([]string, 0, len(pkg.Imports))
for _, p := range pkg.Imports {
if !IsGoRepoPath(p) && !strings.HasPrefix(p, importPath) {
imports = append(imports, p)
}
}
if len(dirs) > 0 {
imports = append(imports, GetAllImports(dirs, importPath, example)...)
}
return imports
}
func (l *parser) Parse(dir string) (taskSet *tasking.TaskSet, err error) {
dir, err = expandDir(dir)
if err != nil {
return
}
p, e := build.ImportDir(dir, 0)
taskFiles := append(p.GoFiles, p.IgnoredGoFiles...)
taskFiles = append(taskFiles, p.CgoFiles...)
if e != nil {
// task files may be ignored for build
if _, ok := e.(*build.NoGoError); !ok || len(taskFiles) == 0 {
err = e
return
}
}
tasks, err := loadTasks(dir, taskFiles)
if err != nil {
return
}
taskSet = &tasking.TaskSet{Name: p.Name, Dir: p.Dir, ImportPath: p.ImportPath, Tasks: tasks}
return
}
func parseCommand(dir string) (*ast.File, *token.FileSet) {
x, err := build.ImportDir(dir, 0)
if err != nil {
panic(err)
}
if !x.IsCommand() {
fmt.Println("Use ogo on commands only!")
os.Exit(1)
}
var fset token.FileSet
packages := make(map[string](map[string]*ast.File))
packages["main"] = make(map[string]*ast.File)
for _, f := range x.GoFiles {
parsedf, err := parseFile(&fset, dir, f)
if err != nil {
fmt.Println("error on file", f, err)
} else {
packages["main"][f] = parsedf
}
}
_, err = importPath(packages, &fset, "main", dir)
if err != nil {
fmt.Println("Error importing stuff:", err)
}
return transform.TrackImports(packages), &fset
}
// getImportPath takes a path like /home/csparr/go/src/github.com/sparrc/gdm
// and returns the import path, ie, github.com/sparrc/gdm
func getImportPath(fullpath string) string {
p, err := build.ImportDir(fullpath, 0)
if err != nil {
return ""
}
return p.ImportPath
}
func getPageInfo(pkgName, diskPath string) (pi PageInfo, err error) {
bpkg, err := build.ImportDir(diskPath, 0)
if err != nil {
return
}
inSet := make(map[string]bool)
for _, name := range bpkg.GoFiles {
inSet[filepath.Base(name)] = true
}
pi.FSet = token.NewFileSet()
filter := func(fi os.FileInfo) bool {
return inSet[fi.Name()]
}
aPkgMap, err := parser.ParseDir(pi.FSet, diskPath, filter, 0)
if err != nil {
return
}
aPkg := aPkgMap[pathpkg.Base(pkgName)]
if aPkg == nil {
for _, v := range aPkgMap {
aPkg = v
break
}
if aPkg == nil {
err = errors.New("no apkg found?")
return
}
}
pi.Dirname = diskPath
pi.PDoc = doc.New(aPkg, pkgName, 0)
pi.IsMain = strings.Contains(pkgName, "camlistore.org/cmd/")
return
}
func derivePackage() (file, pack string) {
// Get file name by seeking caller's file name.
_, callerFile, _, ok := runtime.Caller(1)
if !ok {
return
}
// Trim file name
file = callerFile
for _, dir := range build.Default.SrcDirs() {
dir := dir + string(filepath.Separator)
if trimmed := strings.TrimPrefix(callerFile, dir); len(trimmed) < len(file) {
file = trimmed
}
}
// Now derive package name
dir := filepath.Dir(callerFile)
dirPkg, err := build.ImportDir(dir, build.AllowBinary)
if err != nil {
return
}
pack = dirPkg.ImportPath
return
}
func walkDeps(base, myName string) []string {
externalDeps := []string{}
filepath.Walk(base, func(path string, fi os.FileInfo, err error) error {
if excludeSubtree(path, fi) {
if fi.IsDir() {
return filepath.SkipDir
}
return nil
}
pkg, err := build.ImportDir(path, 0)
if err != nil {
return err
}
if pkg.Goroot {
return nil
}
for _, imp := range pkg.Imports {
//if strings.HasPrefix(imp, myName) {
////Info("Skipping %s because it is a subpackage of %s", imp, myName)
//continue
//}
if imp == myName {
continue
}
externalDeps = append(externalDeps, imp)
}
return nil
})
return externalDeps
}
func main() {
flag.Usage = usage
flag.Parse()
if *listSystems {
fmt.Print(" = Systems\n\n ")
fmt.Println(validSystems)
os.Exit(0)
}
if len(os.Args) == 1 || *system == "" {
usage()
}
log.SetFlags(0)
log.SetPrefix("ERROR: ")
var isSystem bool
*system = strings.ToLower(*system)
for _, v := range validSystems {
if v == *system {
isSystem = true
break
}
}
if !isSystem {
log.Fatal("system passed in flag -s is invalid")
}
// Package name
pkgName := "[NAME]"
pkg, err := build.ImportDir(".", 0)
if err == nil {
pkgName = pkg.Name
}
// Update Go base
cmd := strings.Join(os.Args, " ")
goBase = strings.Replace(goBase, "{cmd}", cmd, 1)
goBase = strings.Replace(goBase, "{pkg}", pkgName, 1)
// Translate all headers passed in command line.
for _, path := range flag.Args() {
switch info, err := os.Stat(path); {
case err != nil:
log.Print(err)
exitCode = 1
case info.IsDir():
walkDir(path)
case info.Mode()&os.ModeType == 0: // regular file
if err := processFile(path); err != nil {
log.Print(err)
exitCode = 1
}
}
}
os.Exit(exitCode)
}
func readPackage(dir string) {
p, err := build.ImportDir(dir, 0)
if err != nil { // we go on and just ignore this directory
log.Print(err)
return
}
packages = append(packages, p)
}
func (d Dependencies) addDepsForDep(dep string, depth int) {
pkg, err := build.ImportDir(dep, 0)
if err != nil {
println(err.Error())
return
}
d.resolveAndAdd(pkg.Imports, depth)
}
func getDoc(dir string) (Doc, error) {
bi, err := build.ImportDir(dir, 0)
if err != nil {
return Doc{}, nil
}
ip, err := importPath(dir)
if err != nil {
return Doc{}, err
}
filter := func(fi os.FileInfo) bool {
if fi.IsDir() {
return false
}
nm := fi.Name()
for _, f := range append(bi.GoFiles, bi.CgoFiles...) {
if nm == f {
return true
}
}
return false
}
pkgs, err := parser.ParseDir(token.NewFileSet(), bi.Dir, filter, parser.ParseComments)
if err != nil {
return Doc{}, err
}
pkg := pkgs[bi.Name]
docs := doc.New(pkg, bi.ImportPath, 0)
bugs := []string{}
for _, bug := range docs.Notes["BUG"] {
bugs = append(bugs, bug.Body)
}
name := bi.Name
if name == "main" {
name = filepath.Base(bi.Dir)
}
//get import path without the github.com/
pathelms := strings.Split(ip, "/")[1:]
repo := path.Join(pathelms...)
return Doc{
Name: name,
Import: ip,
Synopsis: bi.Doc,
Doc: fmtDoc(docs.Doc),
Today: today(),
RepoPath: repo,
Bugs: bugs,
Library: bi.Name != "main",
Command: bi.Name == "main",
}, nil
}
// $GOROOT/src/cmd/go/main.go:631
func matchPackagesInFS(pattern string) []string {
// Find directory to begin the scan.
// Could be smarter but this one optimization
// is enough for now, since ... is usually at the
// end of a path.
i := strings.Index(pattern, "...")
dir, _ := pathpkg.Split(pattern[:i])
// pattern begins with ./ or ../.
// path.Clean will discard the ./ but not the ../.
// We need to preserve the ./ for pattern matching
// and in the returned import paths.
prefix := ""
if strings.HasPrefix(pattern, "./") {
prefix = "./"
}
match := matchPattern(pattern)
var pkgs []string
filepath.Walk(dir, func(path string, fi os.FileInfo, err error) error {
if err != nil || !fi.IsDir() {
return nil
}
if path == dir {
// filepath.Walk starts at dir and recurses. For the recursive case,
// the path is the result of filepath.Join, which calls filepath.Clean.
// The initial case is not Cleaned, though, so we do this explicitly.
//
// This converts a path like "./io/" to "io". Without this step, running
// "cd $GOROOT/src; go list ./io/..." would incorrectly skip the io
// package, because prepending the prefix "./" to the unclean path would
// result in "././io", and match("././io") returns false.
path = filepath.Clean(path)
}
// Avoid .foo, _foo, and testdata directory trees, but do not avoid "." or "..".
_, elem := filepath.Split(path)
dot := strings.HasPrefix(elem, ".") && elem != "." && elem != ".."
if dot || strings.HasPrefix(elem, "_") || elem == "testdata" {
return filepath.SkipDir
}
name := prefix + filepath.ToSlash(path)
if !match(name) {
return nil
}
if _, err = build.ImportDir(path, 0); err != nil {
if _, noGo := err.(*build.NoGoError); !noGo {
log.Print(err)
}
return nil
}
pkgs = append(pkgs, name)
return nil
})
return pkgs
}
