// vetLegacyFlags maps flags used by legacy vet to their corresponding
// new names. The old names will continue to work.
var vetLegacyFlags = map[string]string{
	// Analyzer name changes
	"bool":       "bools",
	"buildtags":  "buildtag",
	"methods":    "stdmethods",
	"rangeloops": "loopclosure",

	// Analyzer flags
	"compositewhitelist":  "composites.whitelist",
	"printfuncs":          "printf.funcs",

source files that are not part of this package with the current build
configuration but may be part of other build configurations.
The contents of these files may be read using Pass.ReadFile;
see the "asmdecl" or "buildtags" analyzers for examples of loading
non-Go files and reporting diagnostics against them.

The ResultOf field provides the results computed by the analyzers

        UseAllFiles   bool     // use files regardless of //go:build lines, file names
        Compiler      string   // compiler to assume when computing target paths
        BuildTags     []string // build constraints to match in //go:build lines
        ToolTags      []string // toolchain-specific build constraints
        ReleaseTags   []string // releases the current release is compatible with

	"strings"
)

func init() {
	register(buildtagFix)
}

const buildtagGoVersionCutoff = "go1.18"

var buildtagFix = fix{
	name: "buildtag",
	date: "2021-08-25",
	f:    buildtag,
	desc: `Remove +build comments from modules using Go 1.18 or later`,
}

func buildtag(f *ast.File) bool {
	if version.Compare(*goVersion, buildtagGoVersionCutoff) < 0 {
		return false
	}

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains tests for the buildtag checker.

//go:build good
// ERRORNEXT "[+]build lines do not match //go:build condition"
// +build bad

package testdata

var _ = `
// +build notacomment

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains tests for the buildtag checker.

//go:build !(bad || worse)
// +build !bad
// +build !worse

	cmd.Flag.BoolVar(&cfg.BuildRace, "race", false, "")
	cmd.Flag.BoolVar(&cfg.BuildMSan, "msan", false, "")
	cmd.Flag.BoolVar(&cfg.BuildASan, "asan", false, "")
	cmd.Flag.Var((*tagsFlag)(&cfg.BuildContext.BuildTags), "tags", "")
	cmd.Flag.Var((*base.StringsFlag)(&cfg.BuildToolexec), "toolexec", "")
	cmd.Flag.BoolVar(&cfg.BuildTrimpath, "trimpath", false, "")
	cmd.Flag.BoolVar(&cfg.BuildWork, "work", false, "")

// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains tests for the buildtag checker.

//go:build !(bad || worse)

package testdata

// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This file contains tests for the buildtag checker.

// ERRORNEXT "possible malformed [+]build comment"
// +builder
// +build !ignore

package testdata

// ERRORNEXT "misplaced \+build comment"
// +build toolate
// ERRORNEXT "misplaced //go:build comment"
//go:build toolate

	if err := CheckGOOSARCHPair(cfg.Goos, cfg.Goarch); err != nil {
		fmt.Fprintf(os.Stderr, "go: %v\n", err)
		base.SetExitStatus(2)
		base.Exit()
	}

	for _, tag := range cfg.BuildContext.BuildTags {
		if strings.Contains(tag, ",") {
			fmt.Fprintf(os.Stderr, "go: -tags space-separated list contains comma\n")
			base.SetExitStatus(2)
			base.Exit()
		}
	}

	return b
}