rename exp/parser package to oldParser

to allow simultaneous import with the
current go/parser

R=rsc
https://golang.org/cl/174053

src/pkg/exp/parser/interface.go

@@ -4,7 +4,7 @@
 
 // This file contains the exported entry points for invoking the parser.
 
-package parser
+package oldParser
 
 import (
 	"bytes";

src/pkg/exp/parser/parser.go

@@ -2,12 +2,17 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// A parser for Go source files. Input may be provided in a variety of
-// forms (see the various Parse* functions); the output is an abstract
-// syntax tree (AST) representing the Go source. The parser is invoked
-// through one of the Parse* functions.
+// A parser for "old" Go source files using the old semicolon syntax.
+// Input may be provided in a variety of forms (see the various Parse*
+// functions); the output is an abstract syntax tree (AST) representing
+// the Go source. The oldParser is invoked through one of the Parse*
+// functions.
 //
-package parser
+// NOTE: This package is deprecated and will be removed once all Go code
+//       has been converted to using the new syntax and after a reasonable
+//       grace period.
+//
+package oldParser
 
 import (
 	"container/vector";

src/pkg/exp/parser/parser_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package parser
+package oldParser
 
 import (
 	"os";
@@ -82,7 +82,7 @@ func TestParse4(t *testing.T) {
 	if err != nil {
 		t.Fatalf("ParsePackage(%s): %v", path, err)
 	}
-	if pkg.Name != "parser" {
+	if pkg.Name != "oldParser" {
 		t.Errorf("incorrect package name: %s", pkg.Name)
 	}
 	for filename, _ := range pkg.Files {