// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package token
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type serializedFile struct {
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// fields correspond 1:1 to fields with same (lower-case) name in File
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Name string
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Base int
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Size int
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Lines []int
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Infos []lineInfo
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}
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type serializedFileSet struct {
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Base int
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Files []serializedFile
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}
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// Read calls decode to deserialize a file set into s; s must not be nil.
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func (s *FileSet) Read(decode func(interface{}) error) error {
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var ss serializedFileSet
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if err := decode(&ss); err != nil {
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return err
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}
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s.mutex.Lock()
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s.base = ss.Base
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files := make([]*File, len(ss.Files))
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for i := 0; i < len(ss.Files); i++ {
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f := &ss.Files[i]
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files[i] = &File{
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set: s,
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name: f.Name,
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base: f.Base,
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size: f.Size,
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lines: f.Lines,
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infos: f.Infos,
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}
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}
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s.files = files
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s.last = nil
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s.mutex.Unlock()
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return nil
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}
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// Write calls encode to serialize the file set s.
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func (s *FileSet) Write(encode func(interface{}) error) error {
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var ss serializedFileSet
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s.mutex.Lock()
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ss.Base = s.base
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files := make([]serializedFile, len(s.files))
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for i, f := range s.files {
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f.mutex.Lock()
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files[i] = serializedFile{
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Name: f.name,
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Base: f.base,
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Size: f.size,
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Lines: append([]int(nil), f.lines...),
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Infos: append([]lineInfo(nil), f.infos...),
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}
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f.mutex.Unlock()
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}
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ss.Files = files
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s.mutex.Unlock()
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return encode(ss)
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}
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