diff options
Diffstat (limited to 'src/cmd/gofix/signal.go')
-rw-r--r-- | src/cmd/gofix/signal.go | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/cmd/gofix/signal.go b/src/cmd/gofix/signal.go new file mode 100644 index 0000000000..53c338851c --- /dev/null +++ b/src/cmd/gofix/signal.go @@ -0,0 +1,49 @@ +// Copyright 2011 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 main + +import ( + "go/ast" + "strings" +) + +func init() { + register(fix{ + "signal", + signal, + `Adapt code to types moved from os/signal to signal. + +http://codereview.appspot.com/4437091 +`, + }) +} + +func signal(f *ast.File) (fixed bool) { + if !imports(f, "os/signal") { + return + } + + walk(f, func(n interface{}) { + s, ok := n.(*ast.SelectorExpr) + + if !ok || !isTopName(s.X, "signal") { + return + } + + sel := s.Sel.String() + if sel == "Signal" || sel == "UnixSignal" || strings.HasPrefix(sel, "SIG") { + s.X = &ast.Ident{Name: "os"} + fixed = true + } + }) + + if fixed { + addImport(f, "os") + if !usesImport(f, "os/signal") { + deleteImport(f, "os/signal") + } + } + return +} |