From 69905c62139546c178156cde13f379c9b6eac0cc Mon Sep 17 00:00:00 2001
From: Robert Hencke <robert.hencke@gmail.com>
Date: Sun, 26 Jun 2011 08:48:53 +1000
Subject: [PATCH] gofix: fixes for sort changes

Fixes #1969.

R=gri, rsc, r
CC=golang-dev
https://golang.org/cl/4634076
---
 src/cmd/gofix/Makefile          |  9 +++---
 src/cmd/gofix/sortslice.go      | 50 +++++++++++++++++++++++++++++++++
 src/cmd/gofix/sortslice_test.go | 35 +++++++++++++++++++++++
 3 files changed, 90 insertions(+), 4 deletions(-)
 create mode 100644 src/cmd/gofix/sortslice.go
 create mode 100644 src/cmd/gofix/sortslice_test.go

diff --git a/src/cmd/gofix/Makefile b/src/cmd/gofix/Makefile
index b157649e87..60035e65e0 100644
--- a/src/cmd/gofix/Makefile
+++ b/src/cmd/gofix/Makefile
@@ -7,15 +7,16 @@ include ../../Make.inc
 TARG=gofix
 GOFILES=\
 	fix.go\
-	netdial.go\
-	main.go\
-	oserrorstring.go\
-	osopen.go\
 	httpfinalurl.go\
 	httpheaders.go\
 	httpserver.go\
+	main.go\
+	netdial.go\
+	oserrorstring.go\
+	osopen.go\
 	procattr.go\
 	reflect.go\
+	sortslice.go\
 	typecheck.go\
 
 include ../../Make.cmd
diff --git a/src/cmd/gofix/sortslice.go b/src/cmd/gofix/sortslice.go
new file mode 100644
index 0000000000..b9c108b5a1
--- /dev/null
+++ b/src/cmd/gofix/sortslice.go
@@ -0,0 +1,50 @@
+// 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{
+		"sortslice",
+		sortslice,
+		`Adapt code from sort.[Float64|Int|String]Array to  sort.[Float64|Int|String]Slice.
+		
+http://codereview.appspot.com/4602054
+http://codereview.appspot.com/4639041
+`,
+	})
+}
+
+
+func sortslice(f *ast.File) (fixed bool) {
+	if !imports(f, "sort") {
+		return
+	}
+
+	walk(f, func(n interface{}) {
+		s, ok := n.(*ast.SelectorExpr)
+		if !ok || !isTopName(s.X, "sort") {
+			return
+		}
+
+		switch s.Sel.String() {
+		case "Float64Array":
+			s.Sel.Name = "Float64Slice"
+		case "IntArray":
+			s.Sel.Name = "IntSlice"
+		case "StringArray":
+			s.Sel.Name = "StringSlice"
+		default:
+			return
+		}
+
+		fixed = true
+	})
+
+	return
+}
diff --git a/src/cmd/gofix/sortslice_test.go b/src/cmd/gofix/sortslice_test.go
new file mode 100644
index 0000000000..404feb26fa
--- /dev/null
+++ b/src/cmd/gofix/sortslice_test.go
@@ -0,0 +1,35 @@
+// 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
+
+func init() {
+	addTestCases(sortsliceTests)
+}
+
+var sortsliceTests = []testCase{
+	{
+		Name: "sortslice.0",
+		In: `package main
+
+import (
+	"sort"
+)
+
+var _ = sort.Float64Array
+var _ = sort.IntArray
+var _ = sort.StringArray
+`,
+		Out: `package main
+
+import (
+	"sort"
+)
+
+var _ = sort.Float64Slice
+var _ = sort.IntSlice
+var _ = sort.StringSlice
+`,
+	},
+}
-- 
2.48.1