mirror of
https://github.com/golang/go
synced 2024-11-22 20:24:47 -07:00
c58bfeeb04
For #55326. Change-Id: Ia3c1124305986dcd49ac769e700055b263cfbd59 Reviewed-on: https://go-review.googlesource.com/c/go/+/432615 Reviewed-by: Robert Findley <rfindley@google.com> Auto-Submit: Robert Griesemer <gri@google.com> Run-TryBot: Robert Griesemer <gri@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Griesemer <gri@google.com>
36 lines
681 B
Go
36 lines
681 B
Go
// errorcheck
|
|
|
|
// Copyright 2012 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.
|
|
|
|
// Issue 3890: missing detection of init cycle involving
|
|
// method calls in function bodies.
|
|
|
|
package flag
|
|
|
|
var commandLine = NewFlagSet() // ERROR "initialization cycle|depends upon itself"
|
|
|
|
type FlagSet struct {
|
|
}
|
|
|
|
func (f *FlagSet) failf(format string, a ...interface{}) {
|
|
f.usage()
|
|
}
|
|
|
|
func (f *FlagSet) usage() {
|
|
if f == commandLine {
|
|
panic(3)
|
|
}
|
|
}
|
|
|
|
func NewFlagSet() *FlagSet {
|
|
f := &FlagSet{}
|
|
f.setErrorHandling(true)
|
|
return f
|
|
}
|
|
|
|
func (f *FlagSet) setErrorHandling(b bool) {
|
|
f.failf("DIE")
|
|
}
|