1 files changed, 0 insertions, 114 deletions
diff --git a/src/pkg/go/doc/headscan.go b/src/pkg/go/doc/headscan.go
deleted file mode 100644
index 1ccaa1581..000000000
--- a/src/pkg/go/doc/headscan.go
+++ /dev/null
@@ -1,114 +0,0 @@
-// Copyright 2011 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.
-
-// +build ignore
-
-/*
-	The headscan command extracts comment headings from package files;
-	it is used to detect false positives which may require an adjustment
-	to the comment formatting heuristics in comment.go.
-
-	Usage: headscan [-root root_directory]
-
-	By default, the $GOROOT/src directory is scanned.
-*/
-package main
-
-import (
-	"bytes"
-	"flag"
-	"fmt"
-	"go/doc"
-	"go/parser"
-	"go/token"
-	"os"
-	"path/filepath"
-	"regexp"
-	"runtime"
-	"strings"
-)
-
-var (
-	root    = flag.String("root", filepath.Join(runtime.GOROOT(), "src"), "root of filesystem tree to scan")
-	verbose = flag.Bool("v", false, "verbose mode")
-)
-
-// ToHTML in comment.go assigns a (possibly blank) ID to each heading
-var html_h = regexp.MustCompile(`<h3 id="[^"]*">`)
-
-const html_endh = "</h3>\n"
-
-func isGoFile(fi os.FileInfo) bool {
-	return strings.HasSuffix(fi.Name(), ".go") &&
-		!strings.HasSuffix(fi.Name(), "_test.go")
-}
-
-func appendHeadings(list []string, comment string) []string {
-	var buf bytes.Buffer
-	doc.ToHTML(&buf, comment, nil)
-	for s := buf.String(); ; {
-		loc := html_h.FindStringIndex(s)
-		if len(loc) == 0 {
-			break
-		}
-		i := loc[1]
-		j := strings.Index(s, html_endh)
-		if j < 0 {
-			list = append(list, s[i:]) // incorrect HTML
-			break
-		}
-		list = append(list, s[i:j])
-		s = s[j+len(html_endh):]
-	}
-	return list
-}
-
-func main() {
-	flag.Parse()
-	fset := token.NewFileSet()
-	nheadings := 0
-	err := filepath.Walk(*root, func(path string, fi os.FileInfo, err error) error {
-		if !fi.IsDir() {
-			return nil
-		}
-		pkgs, err := parser.ParseDir(fset, path, isGoFile, parser.ParseComments)
-		if err != nil {
-			if *verbose {
-				fmt.Fprintln(os.Stderr, err)
-			}
-			return nil
-		}
-		for _, pkg := range pkgs {
-			d := doc.New(pkg, path, doc.Mode(0))
-			list := appendHeadings(nil, d.Doc)
-			for _, d := range d.Consts {
-				list = appendHeadings(list, d.Doc)
-			}
-			for _, d := range d.Types {
-				list = appendHeadings(list, d.Doc)
-			}
-			for _, d := range d.Vars {
-				list = appendHeadings(list, d.Doc)
-			}
-			for _, d := range d.Funcs {
-				list = appendHeadings(list, d.Doc)
-			}
-			if len(list) > 0 {
-				// directories may contain multiple packages;
-				// print path and package name
-				fmt.Printf("%s (package %s)\n", path, pkg.Name)
-				for _, h := range list {
-					fmt.Printf("\t%s\n", h)
-				}
-				nheadings += len(list)
-			}
-		}
-		return nil
-	})
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err)
-		os.Exit(1)
-	}
-	fmt.Println(nheadings, "headings found")
-}