func parseFlags(checker *errcheck.Checker, args []string) ([]string, int) {
flags := flag.NewFlagSet(args[0], flag.ContinueOnError)
flags.BoolVar(&checker.Blank, "blank", false, "if true, check for errors assigned to blank identifier")
flags.BoolVar(&checker.Asserts, "asserts", false, "if true, check for ignored type assertion results")
flags.BoolVar(&checker.Verbose, "verbose", false, "produce more verbose logging")
tags := tagsFlag{}
flags.Var(&tags, "tags", "space-separated list of build tags to include")
ignorePkg := flags.String("ignorepkg", "", "comma-separated list of package paths to ignore")
ignore := ignoreFlag(map[string]*regexp.Regexp{
"fmt": dotStar,
})
flags.Var(ignore, "ignore", "comma-separated list of pairs of the form pkg:regex\n"+
" the regex is used to ignore names within pkg")
if err := flags.Parse(args[1:]); err != nil {
return nil, exitFatalError
}
checker.Tags = tags
for _, pkg := range strings.Split(*ignorePkg, ",") {
if pkg != "" {
ignore[pkg] = dotStar
}
}
checker.Ignore = ignore
ctx := gotool.Context{
BuildContext: build.Default,
}
ctx.BuildContext.BuildTags = tags
// ImportPaths normalizes paths and expands '...'
return gotool.ImportPaths(flags.Args()), exitCodeOk
}
func main() {
ignore := ignoreFlag(map[string]*regexp.Regexp{
"fmt": dotStar,
})
flag.Var(ignore, "ignore", "comma-separated list of pairs of the form pkg:regex\n"+
" the regex is used to ignore names within pkg")
ignorePkg := flag.String("ignorepkg", "", "comma-separated list of package paths to ignore")
blank := flag.Bool("blank", false, "if true, check for errors assigned to blank identifier")
flag.Parse()
for _, pkg := range strings.Split(*ignorePkg, ",") {
if pkg != "" {
ignore[pkg] = dotStar
}
}
var pkgPaths = gotool.ImportPaths(flag.Args())
if err := errcheck.CheckPackages(pkgPaths, ignore, *blank); err != nil {
if e, ok := err.(errcheck.UncheckedErrors); ok {
for _, uncheckedError := range e.Errors {
fmt.Println(uncheckedError)
}
os.Exit(1)
} else if err == errcheck.ErrNoGoFiles {
fmt.Fprintln(os.Stderr, err)
os.Exit(0)
}
Fatalf("failed to check package: %s", err)
}
os.Exit(0)
}
func main() {
flag.Parse()
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
return
}
var conf loader.Config
conf.Fset = fset
for _, importPath := range importPaths {
conf.Import(importPath)
}
prog, err := conf.Load()
if err != nil {
log.Fatal(err)
}
for _, pkg := range prog.InitialPackages() {
for _, file := range pkg.Files {
ast.Inspect(file, func(node ast.Node) bool {
if s, ok := node.(*ast.StructType); ok {
malign(node.Pos(), pkg.Types[s].Type.(*types.Struct))
}
return true
})
}
}
}
func main() {
flag.Parse()
username, ok := os.LookupEnv(teamcityAPIUserEnv)
if !ok {
log.Fatalf("teamcity API username environment variable %s is not set", teamcityAPIUserEnv)
}
password, ok := os.LookupEnv(teamcityAPIPasswordEnv)
if !ok {
log.Fatalf("teamcity API password environment variable %s is not set", teamcityAPIPasswordEnv)
}
importPaths := gotool.ImportPaths([]string{"github.com/cockroachdb/cockroach/..."})
client := teamcity.New("teamcity.cockroachdb.com", username, password)
// Queue a build per configuration per package.
for _, params := range []map[string]string{
{}, // uninstrumented
{"env.GOFLAGS": "-race"},
{"env.TAGS": "deadlock"},
} {
for _, importPath := range importPaths {
params["env.PKG"] = importPath
build, err := client.QueueBuild(*buildTypeID, *branchName, params)
if err != nil {
log.Fatalf("failed to create teamcity build (*buildTypeID=%s *branchName=%s, params=%+v): %s", *buildTypeID, *branchName, params, err)
}
log.Printf("created teamcity build (*buildTypeID=%s *branchName=%s, params=%+v): %s", *buildTypeID, *branchName, params, build)
}
}
}
func runTC(queueBuildFn func(map[string]string)) {
importPaths := gotool.ImportPaths([]string{"github.com/cockroachdb/cockroach/pkg/..."})
// Queue a build per configuration per package.
for _, properties := range []map[string]string{
{}, // uninstrumented
{"env.GOFLAGS": "-race"},
{tagsKey: "deadlock"},
} {
if tags, ok := properties[tagsKey]; ok {
properties[tagsKey] = strings.Join([]string{tags, stressTag}, " ")
} else {
properties[tagsKey] = stressTag
}
for _, propEvalKV := range []bool{true, false} {
properties["env.COCKROACH_PROPOSER_EVALUATED_KV"] = strconv.FormatBool(propEvalKV)
for _, importPath := range importPaths {
properties["env.PKG"] = importPath
queueBuildFn(properties)
}
}
}
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "%s\n", usage)
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
var err error
cwd, err = os.Getwd()
if err != nil {
cwd = "."
}
pkgs := flag.Args()
if len(pkgs) == 0 {
pkgs = []string{"."}
}
exitStatus := 0
pkgs = gotool.ImportPaths(pkgs)
for _, pkg := range pkgs {
if err := writeImports(pkg); err != nil {
fmt.Fprintf(os.Stderr, "error: %v", err)
exitStatus = 1
}
}
os.Exit(exitStatus)
}
func main() {
flag.Parse()
exitStatus := 0
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
importPaths = []string{"."}
}
for _, pkgPath := range importPaths {
visitor := &visitor{
info: types.Info{
Types: make(map[ast.Expr]types.TypeAndValue),
Defs: make(map[*ast.Ident]types.Object),
Selections: make(map[*ast.SelectorExpr]*types.Selection),
},
m: make(map[types.Type]map[string]int),
skip: make(map[types.Type]struct{}),
}
fset, astFiles := check.ASTFilesForPackage(pkgPath, *loadTestFiles)
imp := importer.New()
// Preliminary cgo support.
imp.Config = importer.Config{UseGcFallback: true}
config := types.Config{Import: imp.Import}
var err error
visitor.pkg, err = config.Check(pkgPath, fset, astFiles, &visitor.info)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", pkgPath, err)
continue
}
for _, f := range astFiles {
ast.Walk(visitor, f)
}
for t := range visitor.m {
if _, skip := visitor.skip[t]; skip {
continue
}
for fieldName, v := range visitor.m[t] {
if !*reportExported && ast.IsExported(fieldName) {
continue
}
if v == 0 {
field, _, _ := types.LookupFieldOrMethod(t, false, visitor.pkg, fieldName)
if fieldName == "XMLName" {
if named, ok := field.Type().(*types.Named); ok && named.Obj().Pkg().Path() == "encoding/xml" {
continue
}
}
pos := fset.Position(field.Pos())
fmt.Printf("%s: %s:%d:%d: %s.%s\n",
pkgPath, pos.Filename, pos.Line, pos.Column,
types.TypeString(t, nil), fieldName,
)
exitStatus = 1
}
}
}
}
os.Exit(exitStatus)
}
func main() {
// TODO(kaneda): Add a commandline flag for specifying a target type.
targetPkg := "github.com/cockroachdb/cockroach/roachpb"
targetTypeName := "Error"
if err := returncheck.Run(gotool.ImportPaths(os.Args[1:]), targetPkg, targetTypeName); err != nil {
os.Exit(1)
}
}
func main() {
if len(packages) == 0 {
fmt.Fprintln(os.Stderr, "Need to specify at least one package to check.")
flag.Usage()
os.Exit(1)
}
if len(arguments)+len(returns) == 0 {
fmt.Fprintln(os.Stderr, "Need at least one type to search for.")
flag.Usage()
os.Exit(1)
}
var typesToCheck []string
typesToCheck = append(typesToCheck, arguments...)
typesToCheck = append(typesToCheck, returns...)
ctx := NewContext()
funcs, errs := ctx.getFunctions(gotool.ImportPaths(packages))
listErrors(errs)
signatures := make(map[string][]string)
for _, fnc := range funcs {
sig, ok := fnc.Type().(*types.Signature)
if !ok {
// Skipping over builtins
continue
}
anyArg, allArg := checkTypes(sig.Params(), arguments)
anyRet, allRet := checkTypes(sig.Results(), returns)
if (!and && (anyArg || anyRet)) || (and && allArg && allRet) {
prefix := ""
if sig.Recv() != nil {
prefix = fmt.Sprintf("(%s %s) ", noDot(sig.Recv().Name()), sig.Recv().Type().String())
}
signatures[fnc.Pkg.Path()] = append(signatures[fnc.Pkg.Path()],
fmt.Sprintf("%s%s(%s) (%s)",
prefix,
fnc.Name(),
argsToString(sig.Params()),
argsToString(sig.Results())))
}
}
for _, path := range sortedKeys(signatures) {
sigs := signatures[path]
fmt.Println(path + ":")
for _, sig := range sigs {
fmt.Println("\t" + sig)
}
fmt.Println()
}
}
func parseFlags(checker *errcheck.Checker, args []string) ([]string, int) {
flags := flag.NewFlagSet(args[0], flag.ContinueOnError)
flags.BoolVar(&checker.Blank, "blank", false, "if true, check for errors assigned to blank identifier")
flags.BoolVar(&checker.Asserts, "asserts", false, "if true, check for ignored type assertion results")
flags.BoolVar(&checker.WithoutTests, "ignoretests", false, "if true, checking of _test.go files is disabled")
flags.BoolVar(&checker.Verbose, "verbose", false, "produce more verbose logging")
flags.BoolVar(&abspath, "abspath", false, "print absolute paths to files")
tags := tagsFlag{}
flags.Var(&tags, "tags", "space-separated list of build tags to include")
ignorePkg := flags.String("ignorepkg", "", "comma-separated list of package paths to ignore")
ignore := ignoreFlag(map[string]*regexp.Regexp{
"fmt": dotStar,
})
flags.Var(ignore, "ignore", "[deprecated] comma-separated list of pairs of the form pkg:regex\n"+
" the regex is used to ignore names within pkg.")
var excludeFile string
flags.StringVar(&excludeFile, "exclude", "", "Path to a file containing a list of functions to exclude from checking")
if err := flags.Parse(args[1:]); err != nil {
return nil, exitFatalError
}
if excludeFile != "" {
exclude := make(map[string]bool)
fh, err := os.Open(excludeFile)
if err != nil {
fmt.Fprintf(os.Stderr, "Could not read exclude file: %s\n", err)
return nil, exitFatalError
}
scanner := bufio.NewScanner(fh)
for scanner.Scan() {
exclude[scanner.Text()] = true
}
if err := scanner.Err(); err != nil {
fmt.Fprintf(os.Stderr, "Could not read exclude file: %s\n", err)
return nil, exitFatalError
}
checker.SetExclude(exclude)
}
checker.Tags = tags
for _, pkg := range strings.Split(*ignorePkg, ",") {
if pkg != "" {
ignore[pkg] = dotStar
}
}
checker.Ignore = ignore
// ImportPaths normalizes paths and expands '...'
return gotool.ImportPaths(flags.Args()), exitCodeOk
}
// RemoveRepo removes go-gettable repo with no local changes (by moving it into trash).
// importPathPattern must match exactly with the repo root.
// For example, "github.com/user/repo/...".
func RemoveRepo(importPathPattern string) error {
// TODO: Use an official Go package for `go list` functionality whenever possible.
importPaths := gotool.ImportPaths([]string{importPathPattern})
if len(importPaths) == 0 {
return errors.New("no packages to remove")
}
var firstGoPackage *gist7480523.GoPackage
for i, importPath := range importPaths {
goPackage := gist7480523.GoPackageFromImportPath(importPath)
if goPackage == nil {
return errors.New("Import Path not found: " + importPath)
}
if goPackage.Bpkg.Goroot {
return errors.New("can't remove packages from GOROOT")
}
goPackage.UpdateVcs()
if goPackage.Dir.Repo == nil {
return errors.New("can't get repo status")
}
if i == 0 {
firstGoPackage = goPackage
} else if firstGoPackage.Dir.Repo != goPackage.Dir.Repo {
return errors.New("matched Go Packages span more than 1 repo: " + firstGoPackage.Dir.Repo.Vcs.RootPath() + " != " + goPackage.Dir.Repo.Vcs.RootPath())
} else if !strings.HasPrefix(goPackage.Bpkg.Dir, firstGoPackage.Dir.Repo.Vcs.RootPath()) { // TODO: This is probably not neccessary...
return errors.New("Go Package not inside repo: " + goPackage.Bpkg.Dir + " doesn't have prefix " + firstGoPackage.Dir.Repo.Vcs.RootPath())
}
}
if repoImportPathPattern := gist7480523.GetRepoImportPathPattern(firstGoPackage.Dir.Repo.Vcs.RootPath(), firstGoPackage.Bpkg.SrcRoot); repoImportPathPattern != importPathPattern {
return errors.New("importPathPattern not exact repo root match: " + importPathPattern + " != " + repoImportPathPattern)
}
firstGoPackage.UpdateVcsFields()
cleanStatus := func(goPackage *gist7480523.GoPackage) bool {
packageStatus := presenter(goPackage)[:4]
return packageStatus == " " || packageStatus == " + " // Updates are okay to ignore.
}
if !cleanStatus(firstGoPackage) {
return errors.New("non-clean status: " + presenter(firstGoPackage))
}
err := trash.MoveTo(firstGoPackage.Dir.Repo.Vcs.RootPath())
return err
// TODO: Clean up /pkg folder contents, if any, etc.
}
func main() {
flag.Parse()
serverURL, ok := os.LookupEnv(teamcityServerURLEnv)
if !ok {
log.Fatalf("teamcity server URL environment variable %s is not set", teamcityServerURLEnv)
}
u, err := url.Parse(serverURL)
if err != nil {
log.Fatal(err)
}
username, ok := os.LookupEnv(teamcityAPIUserEnv)
if !ok {
log.Fatalf("teamcity API username environment variable %s is not set", teamcityAPIUserEnv)
}
password, ok := os.LookupEnv(teamcityAPIPasswordEnv)
if !ok {
log.Fatalf("teamcity API password environment variable %s is not set", teamcityAPIPasswordEnv)
}
importPaths := gotool.ImportPaths([]string{"github.com/cockroachdb/cockroach/pkg/..."})
client := teamcity.New(u.Host, username, password)
// Queue a build per configuration per package.
for _, params := range []map[string]string{
{}, // uninstrumented
{"env.GOFLAGS": "-race"},
{tagsKey: "deadlock"},
} {
if tags, ok := params[tagsKey]; ok {
params[tagsKey] = strings.Join([]string{tags, stressTag}, " ")
} else {
params[tagsKey] = stressTag
}
for _, propEvalKV := range []bool{true, false} {
params["env.COCKROACH_PROPOSER_EVALUATED_KV"] = strconv.FormatBool(propEvalKV)
for _, importPath := range importPaths {
params["env.PKG"] = importPath
build, err := client.QueueBuild(*buildTypeID, *branchName, params)
if err != nil {
log.Fatalf("failed to create teamcity build (*buildTypeID=%s *branchName=%s, params=%+v): %s", *buildTypeID, *branchName, params, err)
}
log.Printf("created teamcity build (*buildTypeID=%s *branchName=%s, params=%+v): %s", *buildTypeID, *branchName, params, build)
}
}
}
}
func main() {
flag.Parse()
exitStatus = 0
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
importPaths = []string{"."}
}
for _, pkgPath := range importPaths {
visitor := &visitor{pkgPath: pkgPath}
fset, astFiles := check.ASTFilesForPackage(pkgPath, false)
visitor.fset = fset
for _, f := range astFiles {
ast.Walk(visitor, f)
}
}
os.Exit(exitStatus)
}
func expandPackages(spec []string) ([]string, error) {
// expand "..."
paths := gotool.ImportPaths(spec)
var r []string
for _, path := range paths {
pkg, err := build.Import(path, ".", 0)
if _, ok := err.(*build.NoGoError); ok {
// directory with no Go source files in it
continue
}
if err != nil {
return nil, err
}
if pkg.ImportPath == "" {
return nil, fmt.Errorf("no import path found: %v", path)
}
r = append(r, pkg.ImportPath)
}
return r, nil
}
func main() {
dotStar := regexp.MustCompile(".*")
ignore := ignoreFlag(make(map[string]*regexp.Regexp))
flag.Var(ignore, "ignore", "comma-separated list of pairs of the form pkg:regex\n"+
" the regex is used to ignore names within pkg")
ignorePkg := flag.String("ignorepkg", "", "comma-separated list of package paths to ignore")
blank := flag.Bool("blank", false, "if true, check for errors assigned to blank identifier")
flag.Parse()
for _, pkg := range strings.Split(*ignorePkg, ",") {
if pkg != "" {
ignore[pkg] = dotStar
}
}
if _, ok := ignore["fmt"]; !ok {
ignore["fmt"] = dotStar
}
var exitStatus int
for _, pkgPath := range gotool.ImportPaths(flag.Args()) {
if err := errcheck.CheckPackage(pkgPath, ignore, *blank); err != nil {
if e, ok := err.(errcheck.UncheckedErrors); ok {
for _, uncheckedError := range e.Errors {
fmt.Println(uncheckedError)
}
exitStatus = 1
continue
} else if err == errcheck.ErrNoGoFiles {
fmt.Fprintln(os.Stderr, err)
continue
}
Fatalf("failed to check package %s: %s", pkgPath, err)
}
}
os.Exit(exitStatus)
}
func main() {
flag.Usage = func() {
os.Stderr.WriteString(helpMessage)
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
pkgs := flag.Args()
if len(pkgs) == 0 {
pkgs = []string{"."}
}
if d, err := os.Getwd(); err != nil {
log.Fatalf("cannot get working directory: %v", err)
} else {
cwd = d
}
pkgs = gotool.ImportPaths(pkgs)
allPkgs := make(map[string][]string)
for _, pkg := range pkgs {
if err := findImports(pkg, allPkgs); err != nil {
log.Fatalf("cannot find imports from %q: %v", pkg, err)
}
}
result := make([]string, 0, len(allPkgs))
for name := range allPkgs {
result = append(result, name)
}
sort.Strings(result)
for _, r := range result {
if *from {
sort.Strings(allPkgs[r])
fmt.Printf("%s %s\n", r, strings.Join(allPkgs[r], " "))
} else {
fmt.Println(r)
}
}
}
func main() {
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "%s\n", usage)
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
if *revFile != "" {
if flag.NArg() != 0 {
flag.Usage()
}
update(*revFile)
} else {
pkgs := flag.Args()
if len(pkgs) == 0 {
pkgs = []string{"."}
}
pkgs = gotool.ImportPaths(pkgs)
for _, info := range list(pkgs, *testDeps) {
fmt.Println(info)
}
}
os.Exit(exitCode)
}
func multibuild(packages []string) (error, int) {
// parse the names of the paths/packages provided on the command-line
pkgs := gotool.ImportPaths(packages)
// parse the main package: we need the package name and the path
mainpkg, err := build.Import(pkgs[0], ".", 0)
if err != nil {
return fmt.Errorf("unable to import main package %s: %s", pkgs[0], err), -2
}
// create the linker file in the main package directory, so that it will be
// compiled and linked with the main package when we `go build` is invoked
// the linker file is a go file in the same package of the main package that
// imports all additional packages (normally for their side-effects)
tmpFile, err := ioutil.TempFile(mainpkg.Dir, "pluggo")
if err != nil {
return fmt.Errorf("unable to create temporary file: %s", err), -3
}
fmt.Fprintf(tmpFile, "package %s\n", mainpkg.Name)
for _, pkgname := range pkgs[1:] {
fmt.Fprintf(tmpFile, "import _ \"%s\"\n", pkgname)
}
tmpFile.Close()
os.Rename(tmpFile.Name(), tmpFile.Name()+".go")
defer os.Remove(tmpFile.Name() + ".go")
// run go build on the main package
output, err := exec.Command("go", "build", packages[0]).CombinedOutput()
if err != nil {
return fmt.Errorf("error executing go build: %s\ngo build output:\n%s", err, string(output)), -4
}
return nil, 0
}
func main() {
flag.Usage = func() {
os.Stderr.WriteString(helpMessage)
flag.PrintDefaults()
os.Exit(2)
}
flag.Parse()
pkgs := flag.Args()
if len(pkgs) == 0 {
pkgs = []string{"."}
}
if d, err := os.Getwd(); err != nil {
log.Fatalf("cannot get working directory: %v", err)
} else {
cwd = d
}
if *why != "" {
*all = true
*from = true
if isStdlib(*why) {
*std = true
}
whyMatch = matchPattern(*why)
}
pkgs = gotool.ImportPaths(pkgs)
rootPkgs := make(map[string]bool)
for _, pkg := range pkgs {
p, err := build.Default.Import(pkg, cwd, build.FindOnly)
if err != nil {
log.Fatalf("cannot find %q: %v", pkg, err)
}
rootPkgs[p.ImportPath] = true
}
allPkgs := make(map[string][]string)
for _, pkg := range pkgs {
if err := findImports(pkg, allPkgs, rootPkgs); err != nil {
log.Fatalf("cannot find imports from %q: %v", pkg, err)
}
}
if !*files {
// Delete packages specified directly on the command line.
for pkg := range rootPkgs {
delete(allPkgs, pkg)
}
if whyMatch != nil {
// Delete all packages that don't directly or indirectly import *why.
marked := make(map[string]bool)
for pkg := range allPkgs {
if whyMatch(pkg) {
markImporters(pkg, allPkgs, marked)
}
}
for pkg := range allPkgs {
if !marked[pkg] {
delete(allPkgs, pkg)
}
}
}
}
result := make([]string, 0, len(allPkgs))
for name := range allPkgs {
result = append(result, name)
}
w := bufio.NewWriter(os.Stdout)
defer w.Flush()
sort.Strings(result)
for _, r := range result {
switch {
case *files:
pkg, _ := build.Default.Import(r, cwd, 0)
showFiles(w, pkg, pkg.GoFiles)
showFiles(w, pkg, pkg.CgoFiles)
if rootPkgs[pkg.ImportPath] && !*noTestDeps {
// It's a package specified directly on the command line.
// Show its test files too.
showFiles(w, pkg, pkg.TestGoFiles)
showFiles(w, pkg, pkg.XTestGoFiles)
}
case *from:
from := allPkgs[r]
sort.Strings(from)
from = uniq(from)
fmt.Fprintf(w, "%s %s\n", r, strings.Join(from, " "))
default:
fmt.Fprintln(w, r)
}
}
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
flag.Usage = usage
flag.Parse()
// Get current directory.
wd, err := os.Getwd()
if err != nil {
panic(err)
}
shouldShow := func(goPackage *gist7480523.GoPackage) bool {
// Check for notable status.
return status.PorcelainPresenter(goPackage)[:4] != " "
}
if *vFlag == true {
shouldShow = func(_ *gist7480523.GoPackage) bool { return true }
}
var presenter gist7480523.GoPackageStringer = status.PorcelainPresenter
if *debugFlag == true {
presenter = status.DebugPresenter
} else if *plumbingFlag == true {
presenter = status.PlumbingPresenter
}
// A map of repos that have been checked, to avoid doing same repo more than once.
var lock sync.Mutex
checkedRepos := map[string]bool{}
// Input: Go package Import Path
// Output: If a valid Go package and not inside GOROOT, output a status string, else nil.
reduceFunc := func(in string) interface{} {
goPackage, err := gist7480523.GoPackageFromPath(in, wd)
if err != nil {
fmt.Fprintf(os.Stderr, "can't load package: %s\n", err)
return nil
}
if goPackage == nil {
return nil
}
if goPackage.Bpkg.Goroot {
return nil
}
goPackage.UpdateVcs()
// Check that the same repo hasn't already been done.
if goPackage.Dir.Repo != nil {
rootPath := goPackage.Dir.Repo.Vcs.RootPath()
lock.Lock()
if !checkedRepos[rootPath] {
checkedRepos[rootPath] = true
lock.Unlock()
} else {
lock.Unlock()
// Skip repos that were done.
return nil
}
}
goPackage.UpdateVcsFields()
if shouldShow(goPackage) == false {
return nil
}
return presenter(goPackage)
}
// Run reduceFunc on all import paths in parallel.
var outChan <-chan interface{}
switch *stdinFlag {
case false:
importPathPatterns := flag.Args()
importPaths := gotool.ImportPaths(importPathPatterns)
outChan = gist7651991.GoReduceLinesFromSlice(importPaths, numWorkers, reduceFunc)
case true:
outChan = gist7651991.GoReduceLinesFromReader(os.Stdin, numWorkers, reduceFunc)
}
// Output results.
for out := range outChan {
fmt.Println(out.(string))
}
}
// Natives augment the standard library with GopherJS-specific changes.
// This test ensures that none of the standard library packages are modified
// in a way that adds imports which the original upstream standard library package
// does not already import. Doing that can increase generated output size or cause
// other unexpected issues (since the cmd/go tool does not know about these extra imports),
// so it's best to avoid it.
//
// It checks all standard library packages. Each package is considered as a normal
// package, as a test package, and as an external test package.
func TestNativesDontImportExtraPackages(t *testing.T) {
// Calculate the forward import graph for all standard library packages.
// It's needed for populateImportSet.
stdOnly := gobuild.Default
stdOnly.GOPATH = "" // We only care about standard library, so skip all GOPATH packages.
forward, _, err := importgraphutil.BuildNoTests(&stdOnly)
if err != nil {
t.Fatalf("importgraphutil.BuildNoTests: %v", err)
}
// populateImportSet takes a slice of imports, and populates set with those
// imports, as well as their transitive dependencies. That way, the set can
// be quickly queried to check if a package is in the import graph of imports.
//
// Note, this does not include transitive imports of test/xtest packages,
// which could cause some false positives. It currently doesn't, but if it does,
// then support for that should be added here.
populateImportSet := func(imports []string, set *stringSet) {
for _, p := range imports {
(*set)[p] = struct{}{}
switch p {
case "sync":
(*set)["github.com/gopherjs/gopherjs/nosync"] = struct{}{}
}
transitiveImports := forward.Search(p)
for p := range transitiveImports {
(*set)[p] = struct{}{}
}
}
}
// Check all standard library packages.
//
// The general strategy is to first import each standard library package using the
// normal build.Import, which returns a *build.Package. That contains Imports, TestImports,
// and XTestImports values that are considered the "real imports".
//
// That list of direct imports is then expanded to the transitive closure by populateImportSet,
// meaning all packages that are indirectly imported are also added to the set.
//
// Then, github.com/gopherjs/gopherjs/build.parseAndAugment(*build.Package) returns []*ast.File.
// Those augmented parsed Go files of the package are checked, one file at at time, one import
// at a time. Each import is verified to belong in the set of allowed real imports.
for _, pkg := range gotool.ImportPaths([]string{"std"}) {
// Normal package.
{
// Import the real normal package, and populate its real import set.
bpkg, err := gobuild.Import(pkg, "", gobuild.ImportComment)
if err != nil {
t.Fatalf("gobuild.Import: %v", err)
}
realImports := make(stringSet)
populateImportSet(bpkg.Imports, &realImports)
// Use parseAndAugment to get a list of augmented AST files.
fset := token.NewFileSet()
files, err := parseAndAugment(bpkg, false, fset)
if err != nil {
t.Fatalf("github.com/gopherjs/gopherjs/build.parseAndAugment: %v", err)
}
// Verify imports of normal augmented AST files.
for _, f := range files {
fileName := fset.File(f.Pos()).Name()
normalFile := !strings.HasSuffix(fileName, "_test.go")
if !normalFile {
continue
}
for _, imp := range f.Imports {
importPath, err := strconv.Unquote(imp.Path.Value)
if err != nil {
t.Fatalf("strconv.Unquote(%v): %v", imp.Path.Value, err)
}
if importPath == "github.com/gopherjs/gopherjs/js" {
continue
}
if _, ok := realImports[importPath]; !ok {
t.Errorf("augmented normal package %q imports %q in file %v, but real %q doesn't:\nrealImports = %v", bpkg.ImportPath, importPath, fileName, bpkg.ImportPath, realImports)
}
}
}
}
// Test package.
{
// Import the real test package, and populate its real import set.
bpkg, err := gobuild.Import(pkg, "", gobuild.ImportComment)
if err != nil {
t.Fatalf("gobuild.Import: %v", err)
}
realTestImports := make(stringSet)
populateImportSet(bpkg.TestImports, &realTestImports)
// Use parseAndAugment to get a list of augmented AST files.
fset := token.NewFileSet()
files, err := parseAndAugment(bpkg, true, fset)
if err != nil {
t.Fatalf("github.com/gopherjs/gopherjs/build.parseAndAugment: %v", err)
}
// Verify imports of test augmented AST files.
for _, f := range files {
fileName, pkgName := fset.File(f.Pos()).Name(), f.Name.String()
testFile := strings.HasSuffix(fileName, "_test.go") && !strings.HasSuffix(pkgName, "_test")
if !testFile {
continue
}
for _, imp := range f.Imports {
importPath, err := strconv.Unquote(imp.Path.Value)
if err != nil {
t.Fatalf("strconv.Unquote(%v): %v", imp.Path.Value, err)
}
if importPath == "github.com/gopherjs/gopherjs/js" {
continue
}
if _, ok := realTestImports[importPath]; !ok {
t.Errorf("augmented test package %q imports %q in file %v, but real %q doesn't:\nrealTestImports = %v", bpkg.ImportPath, importPath, fileName, bpkg.ImportPath, realTestImports)
}
}
}
}
// External test package.
{
// Import the real external test package, and populate its real import set.
bpkg, err := gobuild.Import(pkg, "", gobuild.ImportComment)
if err != nil {
t.Fatalf("gobuild.Import: %v", err)
}
realXTestImports := make(stringSet)
populateImportSet(bpkg.XTestImports, &realXTestImports)
// Add _test suffix to import path to cause parseAndAugment to use external test mode.
bpkg.ImportPath += "_test"
// Use parseAndAugment to get a list of augmented AST files, then check only the external test files.
fset := token.NewFileSet()
files, err := parseAndAugment(bpkg, true, fset)
if err != nil {
t.Fatalf("github.com/gopherjs/gopherjs/build.parseAndAugment: %v", err)
}
// Verify imports of external test augmented AST files.
for _, f := range files {
fileName, pkgName := fset.File(f.Pos()).Name(), f.Name.String()
xTestFile := strings.HasSuffix(fileName, "_test.go") && strings.HasSuffix(pkgName, "_test")
if !xTestFile {
continue
}
for _, imp := range f.Imports {
importPath, err := strconv.Unquote(imp.Path.Value)
if err != nil {
t.Fatalf("strconv.Unquote(%v): %v", imp.Path.Value, err)
}
if importPath == "github.com/gopherjs/gopherjs/js" {
continue
}
if _, ok := realXTestImports[importPath]; !ok {
t.Errorf("augmented external test package %q imports %q in file %v, but real %q doesn't:\nrealXTestImports = %v", bpkg.ImportPath, importPath, fileName, bpkg.ImportPath, realXTestImports)
}
}
}
}
}
}
func main() {
vPtr := flag.Bool("v", false, "verbose output (outputs recommended alignments)")
flag.Parse()
exitStatus := 0
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
importPaths = []string{"."}
}
ctx := build.Default
loadcfg := loader.Config{
Build: &ctx,
}
rest, err := loadcfg.FromArgs(importPaths, false)
if err != nil {
log.Fatalf("could not parse arguments: %s", err)
}
if len(rest) > 0 {
log.Fatalf("unhandled extra arguments: %v", rest)
}
program, err := loadcfg.Load()
if err != nil {
log.Fatalf("could not type check: %s", err)
}
var lines []string
for _, pkgInfo := range program.InitialPackages() {
for _, obj := range pkgInfo.Defs {
if obj == nil {
continue
}
if _, ok := obj.(*types.TypeName); !ok {
continue
}
typ, ok := obj.Type().(*types.Named)
if !ok {
continue
}
strukt, ok := typ.Underlying().(*types.Struct)
if !ok {
continue
}
structAlign := int(stdSizes.Alignof(strukt))
structSize := int(stdSizes.Sizeof(strukt))
if structSize%structAlign != 0 {
structSize += structAlign - structSize%structAlign
}
fields := make(fieldList, 0, strukt.NumFields())
minSize := 0
for i := 0; i < strukt.NumFields(); i++ {
field := strukt.Field(i)
fieldType := field.Type()
typeSize := int(stdSizes.Sizeof(fieldType))
minSize += typeSize
fields = append(fields, structField{
name: field.Name(),
size: typeSize,
})
}
if minSize%structAlign != 0 {
minSize += structAlign - minSize%structAlign
}
if minSize != structSize {
pos := program.Fset.Position(obj.Pos())
fieldLines := make([]string, 0, len(fields))
sort.Sort(fields)
for _, v := range fields {
fieldLines = append(fieldLines, fmt.Sprintf(
"\t\t%s (size %d)",
v.name,
v.size,
))
}
line := fmt.Sprintf(
"%s: %s:%d:%d: struct %s could have size %d (currently %d)",
obj.Pkg().Path(),
pos.Filename,
pos.Line,
pos.Column,
obj.Name(),
minSize,
structSize,
)
if *vPtr {
line = line + fmt.Sprintf(
":\n\tRecommended alignment:\n%s",
strings.Join(fieldLines, "\n"),
)
}
lines = append(lines, line)
exitStatus = 1
}
}
}
sort.Strings(lines)
for _, line := range lines {
fmt.Println(line)
}
os.Exit(exitStatus)
}
func main() {
flag.Usage = usage
flag.Parse()
var shouldShow RepoFilter
switch {
default:
shouldShow = func(r *Repo) bool {
// Check for notable status.
return PorcelainPresenter(r)[:4] != " "
}
case *vFlag:
shouldShow = func(*Repo) bool { return true }
}
var presenter RepoPresenter
switch {
case *debugFlag:
presenter = DebugPresenter
default:
presenter = PorcelainPresenter
}
workspace := NewWorkspace(shouldShow, presenter)
// Feed input into workspace processing pipeline.
switch *stdinFlag {
case false:
go func() { // This needs to happen in the background because sending input will be blocked on processing and receiving output.
importPathPatterns := flag.Args()
importPaths := gotool.ImportPaths(importPathPatterns)
for _, importPath := range importPaths {
workspace.ImportPaths <- importPath
}
close(workspace.ImportPaths)
}()
case true:
go func() { // This needs to happen in the background because sending input will be blocked on processing and receiving output.
br := bufio.NewReader(os.Stdin)
for line, err := br.ReadString('\n'); err == nil; line, err = br.ReadString('\n') {
importPath := line[:len(line)-1] // Trim last newline.
workspace.ImportPaths <- importPath
}
close(workspace.ImportPaths)
}()
}
// Output results.
for workspace.Statuses != nil || workspace.Errors != nil {
select {
case status, ok := <-workspace.Statuses:
if !ok {
workspace.Statuses = nil
continue
}
fmt.Println(status)
case error, ok := <-workspace.Errors:
if !ok {
workspace.Errors = nil
continue
}
fmt.Fprintln(os.Stderr, error)
}
}
}
func main() {
flag.Parse()
exitStatus := 0
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
importPaths = []string{"."}
}
ctx := build.Default
loadcfg := loader.Config{
Build: &ctx,
}
rest, err := loadcfg.FromArgs(importPaths, false)
if err != nil {
log.Fatalf("could not parse arguments: %s", err)
}
if len(rest) > 0 {
log.Fatalf("unhandled extra arguments: %v", rest)
}
program, err := loadcfg.Load()
if err != nil {
log.Fatalf("could not type check: %s", err)
}
var lines []string
for _, pkgInfo := range program.InitialPackages() {
for _, obj := range pkgInfo.Defs {
if obj == nil {
continue
}
if _, ok := obj.(*types.TypeName); !ok {
continue
}
typ, ok := obj.Type().(*types.Named)
if !ok {
continue
}
strukt, ok := typ.Underlying().(*types.Struct)
if !ok {
continue
}
structAlign := int(stdSizes.Alignof(strukt))
structSize := int(stdSizes.Sizeof(strukt))
if structSize%structAlign != 0 {
structSize += structAlign - structSize%structAlign
}
minSize := 0
for i := 0; i < strukt.NumFields(); i++ {
field := strukt.Field(i)
fieldType := field.Type()
typeSize := int(stdSizes.Sizeof(fieldType))
minSize += typeSize
}
if minSize%structAlign != 0 {
minSize += structAlign - minSize%structAlign
}
if minSize != structSize {
pos := program.Fset.Position(obj.Pos())
lines = append(lines, fmt.Sprintf(
"%s: %s:%d:%d: struct %s could have size %d (currently %d)",
obj.Pkg().Path(),
pos.Filename,
pos.Line,
pos.Column,
obj.Name(),
minSize,
structSize,
))
exitStatus = 1
}
}
}
sort.Strings(lines)
for _, line := range lines {
fmt.Println(line)
}
os.Exit(exitStatus)
}
func main() {
flag.Parse()
exitStatus := 0
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
importPaths = []string{"."}
}
ctx := build.Default
loadcfg := loader.Config{
Build: &ctx,
}
rest, err := loadcfg.FromArgs(importPaths, true)
if err != nil {
log.Fatalf("could not parse arguments: %s", err)
}
if len(rest) > 0 {
log.Fatalf("unhandled extra arguments: %v", rest)
}
program, err := loadcfg.Load()
if err != nil {
log.Fatalf("could not type check: %s", err)
}
uses := make(map[object]int)
positions := make(map[object]token.Position)
for _, pkgInfo := range program.InitialPackages() {
if pkgInfo.Pkg.Path() == "unsafe" {
continue
}
v := &visitor{
prog: program,
pkg: pkgInfo,
uses: uses,
positions: positions,
}
for _, f := range v.pkg.Files {
ast.Walk(v, f)
}
}
var lines []string
for obj, useCount := range uses {
if useCount == 0 && (*reportExported || !ast.IsExported(obj.name)) {
pos := positions[obj]
lines = append(lines, fmt.Sprintf("%s: %s:%d:%d: %s", obj.pkgPath, pos.Filename, pos.Line, pos.Column, obj.name))
exitStatus = 1
}
}
sort.Strings(lines)
for _, line := range lines {
fmt.Println(line)
}
os.Exit(exitStatus)
}
func main() {
flag.Parse()
exitStatus := 0
importPaths := gotool.ImportPaths(flag.Args())
if len(importPaths) == 0 {
importPaths = []string{"."}
}
ctx := build.Default
for _, pkgPath := range importPaths {
visitor := &visitor{
m: make(map[types.Type]map[string]int),
skip: make(map[types.Type]struct{}),
}
loadcfg := loader.Config{
Build: &ctx,
}
rest, err := loadcfg.FromArgs([]string{pkgPath}, *loadTestFiles)
if err != nil {
fmt.Fprintf(os.Stderr, "could not parse arguments: %s", err)
continue
}
if len(rest) > 0 {
fmt.Fprintf(os.Stderr, "unhandled extra arguments: %v", rest)
continue
}
program, err := loadcfg.Load()
if err != nil {
fmt.Fprintf(os.Stderr, "could not type check: %s", err)
continue
}
pkg := program.InitialPackages()[0]
visitor.prog = program
visitor.pkg = pkg
for _, f := range pkg.Files {
ast.Walk(visitor, f)
}
for t := range visitor.m {
if _, skip := visitor.skip[t]; skip {
continue
}
for fieldName, v := range visitor.m[t] {
if !*reportExported && ast.IsExported(fieldName) {
continue
}
if v == 0 {
field, _, _ := types.LookupFieldOrMethod(t, false, pkg.Pkg, fieldName)
if fieldName == "XMLName" {
if named, ok := field.Type().(*types.Named); ok && named.Obj().Pkg().Path() == "encoding/xml" {
continue
}
}
pos := program.Fset.Position(field.Pos())
fmt.Printf("%s: %s:%d:%d: %s.%s\n",
pkgPath, pos.Filename, pos.Line, pos.Column,
types.TypeString(t, nil), fieldName,
)
exitStatus = 1
}
}
}
}
os.Exit(exitStatus)
}