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https://github.com/golang/go
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36 lines
665 B
Go
36 lines
665 B
Go
// errorcheck
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// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Issue 3890: missing detection of init loop involving
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// method calls in function bodies.
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package flag
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var commandLine = NewFlagSet() // ERROR "loop|depends upon itself"
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type FlagSet struct {
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}
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func (f *FlagSet) failf(format string, a ...interface{}) {
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f.usage()
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}
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func (f *FlagSet) usage() {
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if f == commandLine {
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panic(3)
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}
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}
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func NewFlagSet() *FlagSet {
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f := &FlagSet{}
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f.setErrorHandling(true)
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return f
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}
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func (f *FlagSet) setErrorHandling(b bool) {
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f.failf("DIE")
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}
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