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author | 2023-02-25 13:12:40 +0100 | |
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committer | 2023-02-25 12:12:40 +0000 | |
commit | ecdc8379fa8f9d88faca626e7de748c2afbe4910 (patch) | |
tree | 8c20a5826db2136fc89bee45e15355c5899fa65b /vendor/github.com/twitchyliquid64/golang-asm/objabi/flag.go | |
parent | [bugfix] Fix deleted status causing issues when getting bookmark (#1551) (diff) | |
download | gotosocial-ecdc8379fa8f9d88faca626e7de748c2afbe4910.tar.xz |
[chore] Update gin to v1.9.0 (#1553)
Diffstat (limited to 'vendor/github.com/twitchyliquid64/golang-asm/objabi/flag.go')
-rw-r--r-- | vendor/github.com/twitchyliquid64/golang-asm/objabi/flag.go | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/vendor/github.com/twitchyliquid64/golang-asm/objabi/flag.go b/vendor/github.com/twitchyliquid64/golang-asm/objabi/flag.go new file mode 100644 index 000000000..79ad2ccf7 --- /dev/null +++ b/vendor/github.com/twitchyliquid64/golang-asm/objabi/flag.go @@ -0,0 +1,162 @@ +// Copyright 2015 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 objabi + +import ( + "flag" + "fmt" + "io" + "io/ioutil" + "log" + "os" + "strconv" + "strings" +) + +func Flagcount(name, usage string, val *int) { + flag.Var((*count)(val), name, usage) +} + +func Flagfn1(name, usage string, f func(string)) { + flag.Var(fn1(f), name, usage) +} + +func Flagprint(w io.Writer) { + flag.CommandLine.SetOutput(w) + flag.PrintDefaults() +} + +func Flagparse(usage func()) { + flag.Usage = usage + os.Args = expandArgs(os.Args) + flag.Parse() +} + +// expandArgs expands "response files" arguments in the provided slice. +// +// A "response file" argument starts with '@' and the rest of that +// argument is a filename with CR-or-CRLF-separated arguments. Each +// argument in the named files can also contain response file +// arguments. See Issue 18468. +// +// The returned slice 'out' aliases 'in' iff the input did not contain +// any response file arguments. +// +// TODO: handle relative paths of recursive expansions in different directories? +// Is there a spec for this? Are relative paths allowed? +func expandArgs(in []string) (out []string) { + // out is nil until we see a "@" argument. + for i, s := range in { + if strings.HasPrefix(s, "@") { + if out == nil { + out = make([]string, 0, len(in)*2) + out = append(out, in[:i]...) + } + slurp, err := ioutil.ReadFile(s[1:]) + if err != nil { + log.Fatal(err) + } + args := strings.Split(strings.TrimSpace(strings.Replace(string(slurp), "\r", "", -1)), "\n") + out = append(out, expandArgs(args)...) + } else if out != nil { + out = append(out, s) + } + } + if out == nil { + return in + } + return +} + +func AddVersionFlag() { + flag.Var(versionFlag{}, "V", "print version and exit") +} + +var buildID string // filled in by linker + +type versionFlag struct{} + +func (versionFlag) IsBoolFlag() bool { return true } +func (versionFlag) Get() interface{} { return nil } +func (versionFlag) String() string { return "" } +func (versionFlag) Set(s string) error { + name := os.Args[0] + name = name[strings.LastIndex(name, `/`)+1:] + name = name[strings.LastIndex(name, `\`)+1:] + name = strings.TrimSuffix(name, ".exe") + + // If there's an active experiment, include that, + // to distinguish go1.10.2 with an experiment + // from go1.10.2 without an experiment. + p := Expstring() + if p == DefaultExpstring() { + p = "" + } + sep := "" + if p != "" { + sep = " " + } + + // The go command invokes -V=full to get a unique identifier + // for this tool. It is assumed that the release version is sufficient + // for releases, but during development we include the full + // build ID of the binary, so that if the compiler is changed and + // rebuilt, we notice and rebuild all packages. + if s == "full" { + if strings.HasPrefix(Version, "devel") { + p += " buildID=" + buildID + } + } + + fmt.Printf("%s version %s%s%s\n", name, Version, sep, p) + os.Exit(0) + return nil +} + +// count is a flag.Value that is like a flag.Bool and a flag.Int. +// If used as -name, it increments the count, but -name=x sets the count. +// Used for verbose flag -v. +type count int + +func (c *count) String() string { + return fmt.Sprint(int(*c)) +} + +func (c *count) Set(s string) error { + switch s { + case "true": + *c++ + case "false": + *c = 0 + default: + n, err := strconv.Atoi(s) + if err != nil { + return fmt.Errorf("invalid count %q", s) + } + *c = count(n) + } + return nil +} + +func (c *count) Get() interface{} { + return int(*c) +} + +func (c *count) IsBoolFlag() bool { + return true +} + +func (c *count) IsCountFlag() bool { + return true +} + +type fn1 func(string) + +func (f fn1) Set(s string) error { + f(s) + return nil +} + +func (f fn1) String() string { return "" } |