1 files changed, 0 insertions, 75 deletions
diff --git a/src/cmd/gofix/oserrorstring.go b/src/cmd/gofix/oserrorstring.go
deleted file mode 100644
index 5e61ab952..000000000
--- a/src/cmd/gofix/oserrorstring.go
+++ /dev/null
@@ -1,75 +0,0 @@
-// 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"
-)
-
-var oserrorstringFix = fix{
-	"oserrorstring",
-	oserrorstring,
-	`Replace os.ErrorString() conversions with calls to os.NewError().
-
-http://codereview.appspot.com/4607052
-`,
-}
-
-func init() {
-	register(oserrorstringFix)
-}
-
-func oserrorstring(f *ast.File) bool {
-	if !imports(f, "os") {
-		return false
-	}
-
-	fixed := false
-	walk(f, func(n interface{}) {
-		// The conversion os.ErrorString(x) looks like a call
-		// of os.ErrorString with one argument.
-		if call := callExpr(n, "os", "ErrorString"); call != nil {
-			// os.ErrorString(args) -> os.NewError(args)
-			call.Fun.(*ast.SelectorExpr).Sel.Name = "NewError"
-			// os.ErrorString(args) -> os.NewError(args)
-			call.Fun.(*ast.SelectorExpr).Sel.Name = "NewError"
-			fixed = true
-			return
-		}
-
-		// Remove os.Error type from variable declarations initialized
-		// with an os.NewError.
-		// (An *ast.ValueSpec may also be used in a const declaration
-		// but those won't be initialized with a call to os.NewError.)
-		if spec, ok := n.(*ast.ValueSpec); ok &&
-			len(spec.Names) == 1 &&
-			isPkgDot(spec.Type, "os", "Error") &&
-			len(spec.Values) == 1 &&
-			callExpr(spec.Values[0], "os", "NewError") != nil {
-			// var name os.Error = os.NewError(x) ->
-			// var name          = os.NewError(x)
-			spec.Type = nil
-			fixed = true
-			return
-		}
-
-		// Other occurrences of os.ErrorString are not fixed
-		// but they are rare.
-
-	})
-	return fixed
-}
-
-
-// callExpr returns the call expression if x is a call to pkg.name with one argument;
-// otherwise it returns nil.
-func callExpr(x interface{}, pkg, name string) *ast.CallExpr {
-	if call, ok := x.(*ast.CallExpr); ok &&
-		len(call.Args) == 1 &&
-		isPkgDot(call.Fun, pkg, name) {
-		return call
-	}
-	return nil
-}