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{ 34 set: s, 35 name: f.Name, 36 base: f.Base, 37 size: f.Size, 38 lines: f.Lines, 39 infos: f.Infos, 40 } 41 } 42 s.files = files 43 s.last = nil 44 s.mutex.Unlock() 45 46 return nil 47 } 48 49 // Write calls encode to serialize the file set s. 50 func (s *FileSet) Write(encode func(interface{}) error) error { 51 var ss serializedFileSet 52 53 s.mutex.Lock() 54 ss.Base = s.base 55 files := make([]serializedFile, len(s.files)) 56 for i, f := range s.files { 57 f.mutex.Lock() 58 files[i] = serializedFile{ 59 Name: f.name, 60 Base: f.base, 61 Size: f.size, 62 Lines: append([]int(nil), f.lines...), 63 Infos: append([]lineInfo(nil), f.infos...), 64 } 65 f.mutex.Unlock() 66 } 67 ss.Files = files 68 s.mutex.Unlock() 69 70 return encode(ss) 71 } 72
