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// 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.
package main
import (
"go/ast"
"go/parser"
"go/token"
"os"
"path"
"runtime"
"strings"
)
func isGoFile(dir os.FileInfo) bool {
return !dir.IsDir() &&
!strings.HasPrefix(dir.Name(), ".") && // ignore .files
path.Ext(dir.Name()) == ".go"
}
func isPkgFile(dir os.FileInfo) bool {
return isGoFile(dir) &&
!strings.HasSuffix(dir.Name(), "_test.go") // ignore test files
}
func pkgName(filename string) string {
file, err := parser.ParseFile(token.NewFileSet(), filename, nil, parser.PackageClauseOnly)
if err != nil || file == nil {
return ""
}
return file.Name.Name
}
func parseDir(dirpath string) map[string]*ast.Package {
// the package name is the directory name within its parent.
// (use dirname instead of path because dirname is clean; it
// has no trailing '/')
_, pkgname := path.Split(dirpath)
// filter function to select the desired .go files
filter := func(d os.FileInfo) bool {
if isPkgFile(d) {
// Some directories contain main packages: Only accept
// files that belong to the expected package so that
// parser.ParsePackage doesn't return "multiple packages
// found" errors.
// Additionally, accept the special package name
// fakePkgName if we are looking at cmd documentation.
name := pkgName(dirpath + "/" + d.Name())
return name == pkgname
}
return false
}
// get package AST
pkgs, err := parser.ParseDir(token.NewFileSet(), dirpath, filter, parser.ParseComments)
if err != nil {
println("parse", dirpath, err.Error())
panic("go ParseDir fail: " + err.Error())
}
return pkgs
}
func stressParseGo() {
pkgroot := runtime.GOROOT() + "/src/"
for {
m := make(map[string]map[string]*ast.Package)
for _, pkg := range packages {
m[pkg] = parseDir(pkgroot + pkg)
Println("parsed go package", pkg)
}
}
}
// find . -type d -not -path "./exp" -not -path "./exp/*" -printf "\t\"%p\",\n" | sort | sed "s/\.\///" | grep -v testdata
var packages = []string{
"archive",
"archive/tar",
"archive/zip",
"bufio",
"builtin",
"bytes",
"compress",
"compress/bzip2",
"compress/flate",
"compress/gzip",
"compress/lzw",
"compress/zlib",
"container",
"container/heap",
"container/list",
"container/ring",
"crypto",
"crypto/aes",
"crypto/cipher",
"crypto/des",
"crypto/dsa",
"crypto/ecdsa",
"crypto/elliptic",
"crypto/hmac",
"crypto/md5",
"crypto/rand",
"crypto/rc4",
"crypto/rsa",
"crypto/sha1",
"crypto/sha256",
"crypto/sha512",
"crypto/subtle",
"crypto/tls",
"crypto/x509",
"crypto/x509/pkix",
"database",
"database/sql",
"database/sql/driver",
"debug",
"debug/dwarf",
"debug/elf",
"debug/gosym",
"debug/macho",
"debug/pe",
"encoding",
"encoding/ascii85",
"encoding/asn1",
"encoding/base32",
"encoding/base64",
"encoding/binary",
"encoding/csv",
"encoding/gob",
"encoding/hex",
"encoding/json",
"encoding/pem",
"encoding/xml",
"errors",
"expvar",
"flag",
"fmt",
"go",
"go/ast",
"go/build",
"go/doc",
"go/format",
"go/parser",
"go/printer",
"go/scanner",
"go/token",
"hash",
"hash/adler32",
"hash/crc32",
"hash/crc64",
"hash/fnv",
"html",
"html/template",
"image",
"image/color",
"image/draw",
"image/gif",
"image/jpeg",
"image/png",
"index",
"index/suffixarray",
"io",
"io/ioutil",
"log",
"log/syslog",
"math",
"math/big",
"math/cmplx",
"math/rand",
"mime",
"mime/multipart",
"net",
"net/http",
"net/http/cgi",
"net/http/cookiejar",
"net/http/fcgi",
"net/http/httptest",
"net/http/httputil",
"net/http/pprof",
"net/mail",
"net/rpc",
"net/rpc/jsonrpc",
"net/smtp",
"net/textproto",
"net/url",
"os",
"os/exec",
"os/signal",
"os/user",
"path",
"path/filepath",
"reflect",
"regexp",
"regexp/syntax",
"runtime",
"runtime/cgo",
"runtime/debug",
"runtime/pprof",
"runtime/race",
"sort",
"strconv",
"strings",
"sync",
"sync/atomic",
"syscall",
"testing",
"testing/iotest",
"testing/quick",
"text",
"text/scanner",
"text/tabwriter",
"text/template",
"text/template/parse",
"time",
"unicode",
"unicode/utf16",
"unicode/utf8",
"unsafe",
}
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