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// 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"
)
func init() {
register(fix{
"filepath",
filepathFunc,
`Adapt code from filepath.[List]SeparatorString to string(filepath.[List]Separator).
http://codereview.appspot.com/4527090
`,
})
}
func filepathFunc(f *ast.File) (fixed bool) {
if !imports(f, "path/filepath") {
return
}
walk(f, func(n interface{}) {
e, ok := n.(*ast.Expr)
if !ok {
return
}
var ident string
switch {
case isPkgDot(*e, "filepath", "SeparatorString"):
ident = "filepath.Separator"
case isPkgDot(*e, "filepath", "ListSeparatorString"):
ident = "filepath.ListSeparator"
default:
return
}
// string(filepath.[List]Separator)
*e = &ast.CallExpr{
Fun: ast.NewIdent("string"),
Args: []ast.Expr{ast.NewIdent(ident)},
}
fixed = true
})
return
}
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