mirror of
https://github.com/golang/go
synced 2024-11-24 16:30:17 -07:00
36 lines
665 B
Go
36 lines
665 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 loop involving
|
|
// method calls in function bodies.
|
|
|
|
package flag
|
|
|
|
var commandLine = NewFlagSet() // ERROR "loop|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")
|
|
}
|