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      1 // Do not edit. Bootstrap copy of /usr/local/google/buildbot/src/android/build-tools/out/obj/go/src/cmd/internal/obj/flag.go
      2 
      3 //line /usr/local/google/buildbot/src/android/build-tools/out/obj/go/src/cmd/internal/obj/flag.go:1
      4 // Copyright 2015 The Go Authors.  All rights reserved.
      5 // Use of this source code is governed by a BSD-style
      6 // license that can be found in the LICENSE file.
      7 
      8 package obj
      9 
     10 import (
     11 	"flag"
     12 	"fmt"
     13 	"os"
     14 	"strconv"
     15 )
     16 
     17 func Flagfn2(string, string, func(string, string)) { panic("flag") }
     18 
     19 func Flagcount(name, usage string, val *int) {
     20 	flag.Var((*count)(val), name, usage)
     21 }
     22 
     23 func Flagint32(name, usage string, val *int32) {
     24 	flag.Var((*int32Value)(val), name, usage)
     25 }
     26 
     27 func Flagint64(name, usage string, val *int64) {
     28 	flag.Int64Var(val, name, *val, usage)
     29 }
     30 
     31 func Flagstr(name, usage string, val *string) {
     32 	flag.StringVar(val, name, *val, usage)
     33 }
     34 
     35 func Flagfn0(name, usage string, f func()) {
     36 	flag.Var(fn0(f), name, usage)
     37 }
     38 
     39 func Flagfn1(name, usage string, f func(string)) {
     40 	flag.Var(fn1(f), name, usage)
     41 }
     42 
     43 func Flagprint(fd int) {
     44 	if fd == 1 {
     45 		flag.CommandLine.SetOutput(os.Stdout)
     46 	}
     47 	flag.PrintDefaults()
     48 }
     49 
     50 func Flagparse(usage func()) {
     51 	flag.Usage = usage
     52 	flag.Parse()
     53 }
     54 
     55 // count is a flag.Value that is like a flag.Bool and a flag.Int.
     56 // If used as -name, it increments the count, but -name=x sets the count.
     57 // Used for verbose flag -v.
     58 type count int
     59 
     60 func (c *count) String() string {
     61 	return fmt.Sprint(int(*c))
     62 }
     63 
     64 func (c *count) Set(s string) error {
     65 	switch s {
     66 	case "true":
     67 		*c++
     68 	case "false":
     69 		*c = 0
     70 	default:
     71 		n, err := strconv.Atoi(s)
     72 		if err != nil {
     73 			return fmt.Errorf("invalid count %q", s)
     74 		}
     75 		*c = count(n)
     76 	}
     77 	return nil
     78 }
     79 
     80 func (c *count) IsBoolFlag() bool {
     81 	return true
     82 }
     83 
     84 type int32Value int32
     85 
     86 func newIntValue(val int32, p *int32) *int32Value {
     87 	*p = val
     88 	return (*int32Value)(p)
     89 }
     90 
     91 func (i *int32Value) Set(s string) error {
     92 	v, err := strconv.ParseInt(s, 0, 64)
     93 	*i = int32Value(v)
     94 	return err
     95 }
     96 
     97 func (i *int32Value) Get() interface{} { return int32(*i) }
     98 
     99 func (i *int32Value) String() string { return fmt.Sprint(*i) }
    100 
    101 type fn0 func()
    102 
    103 func (f fn0) Set(s string) error {
    104 	f()
    105 	return nil
    106 }
    107 
    108 func (f fn0) Get() interface{} { return nil }
    109 
    110 func (f fn0) String() string { return "" }
    111 
    112 func (f fn0) IsBoolFlag() bool {
    113 	return true
    114 }
    115 
    116 type fn1 func(string)
    117 
    118 func (f fn1) Set(s string) error {
    119 	f(s)
    120 	return nil
    121 }
    122 
    123 func (f fn1) String() string { return "" }
    124