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author | Christopher Speller <crspeller@gmail.com> | 2018-04-16 05:37:14 -0700 |
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committer | Joram Wilander <jwawilander@gmail.com> | 2018-04-16 08:37:14 -0400 |
commit | 6e2cb00008cbf09e556b00f87603797fcaa47e09 (patch) | |
tree | 3c0eb55ff4226a3f024aad373140d1fb860a6404 /vendor/google.golang.org/appengine/cmd/aefix/main.go | |
parent | bf24f51c4e1cc6286885460672f7f449e8c6f5ef (diff) | |
download | chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.gz chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.tar.bz2 chat-6e2cb00008cbf09e556b00f87603797fcaa47e09.zip |
Depenancy upgrades and movign to dep. (#8630)
Diffstat (limited to 'vendor/google.golang.org/appengine/cmd/aefix/main.go')
-rw-r--r-- | vendor/google.golang.org/appengine/cmd/aefix/main.go | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/vendor/google.golang.org/appengine/cmd/aefix/main.go b/vendor/google.golang.org/appengine/cmd/aefix/main.go deleted file mode 100644 index 8e193a6ad..000000000 --- a/vendor/google.golang.org/appengine/cmd/aefix/main.go +++ /dev/null @@ -1,258 +0,0 @@ -// Copyright 2011 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 ( - "bytes" - "flag" - "fmt" - "go/ast" - "go/format" - "go/parser" - "go/scanner" - "go/token" - "io/ioutil" - "os" - "os/exec" - "path/filepath" - "sort" - "strings" -) - -var ( - fset = token.NewFileSet() - exitCode = 0 -) - -var allowedRewrites = flag.String("r", "", - "restrict the rewrites to this comma-separated list") - -var forceRewrites = flag.String("force", "", - "force these fixes to run even if the code looks updated") - -var allowed, force map[string]bool - -var doDiff = flag.Bool("diff", false, "display diffs instead of rewriting files") - -// enable for debugging fix failures -const debug = false // display incorrectly reformatted source and exit - -func usage() { - fmt.Fprintf(os.Stderr, "usage: aefix [-diff] [-r fixname,...] [-force fixname,...] [path ...]\n") - flag.PrintDefaults() - fmt.Fprintf(os.Stderr, "\nAvailable rewrites are:\n") - sort.Sort(byName(fixes)) - for _, f := range fixes { - fmt.Fprintf(os.Stderr, "\n%s\n", f.name) - desc := strings.TrimSpace(f.desc) - desc = strings.Replace(desc, "\n", "\n\t", -1) - fmt.Fprintf(os.Stderr, "\t%s\n", desc) - } - os.Exit(2) -} - -func main() { - flag.Usage = usage - flag.Parse() - - sort.Sort(byDate(fixes)) - - if *allowedRewrites != "" { - allowed = make(map[string]bool) - for _, f := range strings.Split(*allowedRewrites, ",") { - allowed[f] = true - } - } - - if *forceRewrites != "" { - force = make(map[string]bool) - for _, f := range strings.Split(*forceRewrites, ",") { - force[f] = true - } - } - - if flag.NArg() == 0 { - if err := processFile("standard input", true); err != nil { - report(err) - } - os.Exit(exitCode) - } - - for i := 0; i < flag.NArg(); i++ { - path := flag.Arg(i) - switch dir, err := os.Stat(path); { - case err != nil: - report(err) - case dir.IsDir(): - walkDir(path) - default: - if err := processFile(path, false); err != nil { - report(err) - } - } - } - - os.Exit(exitCode) -} - -const parserMode = parser.ParseComments - -func gofmtFile(f *ast.File) ([]byte, error) { - var buf bytes.Buffer - if err := format.Node(&buf, fset, f); err != nil { - return nil, err - } - return buf.Bytes(), nil -} - -func processFile(filename string, useStdin bool) error { - var f *os.File - var err error - var fixlog bytes.Buffer - - if useStdin { - f = os.Stdin - } else { - f, err = os.Open(filename) - if err != nil { - return err - } - defer f.Close() - } - - src, err := ioutil.ReadAll(f) - if err != nil { - return err - } - - file, err := parser.ParseFile(fset, filename, src, parserMode) - if err != nil { - return err - } - - // Apply all fixes to file. - newFile := file - fixed := false - for _, fix := range fixes { - if allowed != nil && !allowed[fix.name] { - continue - } - if fix.f(newFile) { - fixed = true - fmt.Fprintf(&fixlog, " %s", fix.name) - - // AST changed. - // Print and parse, to update any missing scoping - // or position information for subsequent fixers. - newSrc, err := gofmtFile(newFile) - if err != nil { - return err - } - newFile, err = parser.ParseFile(fset, filename, newSrc, parserMode) - if err != nil { - if debug { - fmt.Printf("%s", newSrc) - report(err) - os.Exit(exitCode) - } - return err - } - } - } - if !fixed { - return nil - } - fmt.Fprintf(os.Stderr, "%s: fixed %s\n", filename, fixlog.String()[1:]) - - // Print AST. We did that after each fix, so this appears - // redundant, but it is necessary to generate gofmt-compatible - // source code in a few cases. The official gofmt style is the - // output of the printer run on a standard AST generated by the parser, - // but the source we generated inside the loop above is the - // output of the printer run on a mangled AST generated by a fixer. - newSrc, err := gofmtFile(newFile) - if err != nil { - return err - } - - if *doDiff { - data, err := diff(src, newSrc) - if err != nil { - return fmt.Errorf("computing diff: %s", err) - } - fmt.Printf("diff %s fixed/%s\n", filename, filename) - os.Stdout.Write(data) - return nil - } - - if useStdin { - os.Stdout.Write(newSrc) - return nil - } - - return ioutil.WriteFile(f.Name(), newSrc, 0) -} - -var gofmtBuf bytes.Buffer - -func gofmt(n interface{}) string { - gofmtBuf.Reset() - if err := format.Node(&gofmtBuf, fset, n); err != nil { - return "<" + err.Error() + ">" - } - return gofmtBuf.String() -} - -func report(err error) { - scanner.PrintError(os.Stderr, err) - exitCode = 2 -} - -func walkDir(path string) { - filepath.Walk(path, visitFile) -} - -func visitFile(path string, f os.FileInfo, err error) error { - if err == nil && isGoFile(f) { - err = processFile(path, false) - } - if err != nil { - report(err) - } - return nil -} - -func isGoFile(f os.FileInfo) bool { - // ignore non-Go files - name := f.Name() - return !f.IsDir() && !strings.HasPrefix(name, ".") && strings.HasSuffix(name, ".go") -} - -func diff(b1, b2 []byte) (data []byte, err error) { - f1, err := ioutil.TempFile("", "go-fix") - if err != nil { - return nil, err - } - defer os.Remove(f1.Name()) - defer f1.Close() - - f2, err := ioutil.TempFile("", "go-fix") - if err != nil { - return nil, err - } - defer os.Remove(f2.Name()) - defer f2.Close() - - f1.Write(b1) - f2.Write(b2) - - data, err = exec.Command("diff", "-u", f1.Name(), f2.Name()).CombinedOutput() - if len(data) > 0 { - // diff exits with a non-zero status when the files don't match. - // Ignore that failure as long as we get output. - err = nil - } - return -} |