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// 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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