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Viewing changes to src/cmd/fix/httpheaders.go

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2013-08-20 14:06:23 UTC
  • mfrom: (14.1.23 saucy-proposed)
  • Revision ID: package-import@ubuntu.com-20130820140623-b414jfxi3m0qkmrq
Tags: 2:1.1.2-2ubuntu1
https://launchpad.net/bugs/1211749
https://launchpad.net/bugs/1202027
* Merge from Debian unstable (LP: #1211749, #1202027). Remaining changes:
  - 016-armhf-elf-header.patch: Use correct ELF header for armhf binaries.
  - d/control,control.cross: Update Breaks/Replaces for Ubuntu
    versions to ensure smooth upgrades, regenerate control file.

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src/cmd/fix/httpheaders.go
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// 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 main
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import (
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        "go/ast"
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)
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func init() {
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        register(httpHeadersFix)
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}
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var httpHeadersFix = fix{
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        "httpheaders",
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        "2011-06-16",
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        httpheaders,
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        `Rename http Referer, UserAgent, Cookie, SetCookie, which are now methods.
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http://codereview.appspot.com/4620049/
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`,
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}
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func httpheaders(f *ast.File) bool {
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        if !imports(f, "http") {
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                return false
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        }
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        called := make(map[ast.Node]bool)
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        walk(f, func(ni interface{}) {
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                switch n := ni.(type) {
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                case *ast.CallExpr:
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                        called[n.Fun] = true
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                }
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        })
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        fixed := false
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        typeof, _ := typecheck(headerTypeConfig, f)
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        walk(f, func(ni interface{}) {
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                switch n := ni.(type) {
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                case *ast.SelectorExpr:
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                        if called[n] {
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                                break
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                        }
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                        if t := typeof[n.X]; t != "*http.Request" && t != "*http.Response" {
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                                break
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                        }
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                        switch n.Sel.Name {
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                        case "Referer", "UserAgent":
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                                n.Sel.Name += "()"
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                                fixed = true
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                        case "Cookie":
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                                n.Sel.Name = "Cookies()"
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                                fixed = true
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                        }
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                }
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        })
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        return fixed
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}
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var headerTypeConfig = &TypeConfig{
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        Type: map[string]*Type{
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                "*http.Request":  {},
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                "*http.Response": {},
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        },
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}