mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2024-12-03 17:30:18 +01:00
82 lines
2.5 KiB
Go
82 lines
2.5 KiB
Go
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// Copyright 2013 The Go Authors. All rights reserved.
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//
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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 or at
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// https://developers.google.com/open-source/licenses/bsd.
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package doc
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import (
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"fmt"
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"go/ast"
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"go/token"
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"strconv"
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"strings"
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"github.com/golang/gddo/gosrc"
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)
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// This list of deprecated exports is used to find code that has not been
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// updated for Go 1.
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var deprecatedExports = map[string][]string{
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`"bytes"`: {"Add"},
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`"crypto/aes"`: {"Cipher"},
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`"crypto/hmac"`: {"NewSHA1", "NewSHA256"},
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`"crypto/rand"`: {"Seed"},
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`"encoding/json"`: {"MarshalForHTML"},
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`"encoding/xml"`: {"Marshaler", "NewParser", "Parser"},
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`"html"`: {"NewTokenizer", "Parse"},
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`"image"`: {"Color", "NRGBAColor", "RGBAColor"},
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`"io"`: {"Copyn"},
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`"log"`: {"Exitf"},
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`"math"`: {"Fabs", "Fmax", "Fmod"},
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`"os"`: {"Envs", "Error", "Getenverror", "NewError", "Time", "UnixSignal", "Wait"},
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`"reflect"`: {"MapValue", "Typeof"},
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`"runtime"`: {"UpdateMemStats"},
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`"strconv"`: {"Atob", "Atof32", "Atof64", "AtofN", "Atoi64", "Atoui", "Atoui64", "Btoui64", "Ftoa64", "Itoa64", "Uitoa", "Uitoa64"},
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`"time"`: {"LocalTime", "Nanoseconds", "NanosecondsToLocalTime", "Seconds", "SecondsToLocalTime", "SecondsToUTC"},
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`"unicode/utf8"`: {"NewString"},
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}
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type vetVisitor struct {
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errors map[string]token.Pos
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}
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func (v *vetVisitor) Visit(n ast.Node) ast.Visitor {
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if sel, ok := n.(*ast.SelectorExpr); ok {
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if x, _ := sel.X.(*ast.Ident); x != nil {
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if obj := x.Obj; obj != nil && obj.Kind == ast.Pkg {
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if spec, _ := obj.Decl.(*ast.ImportSpec); spec != nil {
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for _, name := range deprecatedExports[spec.Path.Value] {
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if name == sel.Sel.Name {
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v.errors[fmt.Sprintf("%s.%s not found", spec.Path.Value, sel.Sel.Name)] = n.Pos()
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return nil
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}
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}
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}
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}
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}
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}
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return v
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}
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func (b *builder) vetPackage(pkg *Package, apkg *ast.Package) {
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errors := make(map[string]token.Pos)
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for _, file := range apkg.Files {
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for _, is := range file.Imports {
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importPath, _ := strconv.Unquote(is.Path.Value)
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if !gosrc.IsValidPath(importPath) &&
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!strings.HasPrefix(importPath, "exp/") &&
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!strings.HasPrefix(importPath, "appengine") {
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errors[fmt.Sprintf("Unrecognized import path %q", importPath)] = is.Pos()
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}
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}
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v := vetVisitor{errors: errors}
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ast.Walk(&v, file)
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}
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for message, pos := range errors {
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pkg.Errors = append(pkg.Errors,
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fmt.Sprintf("%s (%s)", message, b.fset.Position(pos)))
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}
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}
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