1 files changed, 47 insertions, 0 deletions
diff --git a/src/cmd/fix/htmlerr.go b/src/cmd/fix/htmlerr.go
new file mode 100644
index 000000000..b5105c822
--- /dev/null
+++ b/src/cmd/fix/htmlerr.go
@@ -0,0 +1,47 @@
+// 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(htmlerrFix)
+}
+
+var htmlerrFix = fix{
+	"htmlerr",
+	"2011-11-04",
+	htmlerr,
+	`Rename html's Tokenizer.Error method to Err.
+
+http://codereview.appspot.com/5327064/
+`,
+}
+
+var htmlerrTypeConfig = &TypeConfig{
+	Func: map[string]string{
+		"html.NewTokenizer": "html.Tokenizer",
+	},
+}
+
+func htmlerr(f *ast.File) bool {
+	if !imports(f, "html") {
+		return false
+	}
+
+	typeof, _ := typecheck(htmlerrTypeConfig, f)
+
+	fixed := false
+	walk(f, func(n interface{}) {
+		s, ok := n.(*ast.SelectorExpr)
+		if ok && typeof[s.X] == "html.Tokenizer" && s.Sel.Name == "Error" {
+			s.Sel.Name = "Err"
+			fixed = true
+		}
+	})
+	return fixed
+}