From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 15:14:23 +0200
Subject: Adding upstream version 1.16.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/go/token/serialize.go | 71 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/go/token/serialize.go

(limited to 'src/go/token/serialize.go')

diff --git a/src/go/token/serialize.go b/src/go/token/serialize.go
new file mode 100644
index 0000000..d0ea345
--- /dev/null
+++ b/src/go/token/serialize.go
@@ -0,0 +1,71 @@
+// 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 token
+
+type serializedFile struct {
+	// fields correspond 1:1 to fields with same (lower-case) name in File
+	Name  string
+	Base  int
+	Size  int
+	Lines []int
+	Infos []lineInfo
+}
+
+type serializedFileSet struct {
+	Base  int
+	Files []serializedFile
+}
+
+// Read calls decode to deserialize a file set into s; s must not be nil.
+func (s *FileSet) Read(decode func(interface{}) error) error {
+	var ss serializedFileSet
+	if err := decode(&ss); err != nil {
+		return err
+	}
+
+	s.mutex.Lock()
+	s.base = ss.Base
+	files := make([]*File, len(ss.Files))
+	for i := 0; i < len(ss.Files); i++ {
+		f := &ss.Files[i]
+		files[i] = &File{
+			set:   s,
+			name:  f.Name,
+			base:  f.Base,
+			size:  f.Size,
+			lines: f.Lines,
+			infos: f.Infos,
+		}
+	}
+	s.files = files
+	s.last = nil
+	s.mutex.Unlock()
+
+	return nil
+}
+
+// Write calls encode to serialize the file set s.
+func (s *FileSet) Write(encode func(interface{}) error) error {
+	var ss serializedFileSet
+
+	s.mutex.Lock()
+	ss.Base = s.base
+	files := make([]serializedFile, len(s.files))
+	for i, f := range s.files {
+		f.mutex.Lock()
+		files[i] = serializedFile{
+			Name:  f.name,
+			Base:  f.base,
+			Size:  f.size,
+			Lines: append([]int(nil), f.lines...),
+			Infos: append([]lineInfo(nil), f.infos...),
+		}
+		f.mutex.Unlock()
+	}
+	ss.Files = files
+	s.mutex.Unlock()
+
+	return encode(ss)
+}
-- 
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