Source file src/pkg/go/token/serialize.go
1 // Copyright 2011 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package token 6 7 type serializedFile struct { 8 // fields correspond 1:1 to fields with same (lower-case) name in File 9 Name string 10 Base int 11 Size int 12 Lines []int 13 Infos []lineInfo 14 } 15 16 type serializedFileSet struct { 17 Base int 18 Files []serializedFile 19 } 20 21 // Read calls decode to deserialize a file set into s; s must not be nil. 22 func (s *FileSet) Read(decode func(interface{}) error) error { 23 var ss serializedFileSet 24 if err := decode(&ss); err != nil { 25 return err 26 } 27 28 s.mutex.Lock() 29 s.base = ss.Base 30 files := make([]*File, len(ss.Files)) 31 for i := 0; i < len(ss.Files); i++ { 32 f := &ss.Files[i] 33 files[i] = &File{s, f.Name, f.Base, f.Size, f.Lines, f.Infos} 34 } 35 s.files = files 36 s.last = nil 37 s.mutex.Unlock() 38 39 return nil 40 } 41 42 // Write calls encode to serialize the file set s. 43 func (s *FileSet) Write(encode func(interface{}) error) error { 44 var ss serializedFileSet 45 46 s.mutex.Lock() 47 ss.Base = s.base 48 files := make([]serializedFile, len(s.files)) 49 for i, f := range s.files { 50 files[i] = serializedFile{f.name, f.base, f.size, f.lines, f.infos} 51 } 52 ss.Files = files 53 s.mutex.Unlock() 54 55 return encode(ss) 56 }