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deprecated.go
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deprecated.go
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package knowledge
const (
// DeprecatedNeverUse indicates that an API should never be used, regardless of Go version.
DeprecatedNeverUse = -1
// DeprecatedUseNoLonger indicates that an API has no use anymore.
DeprecatedUseNoLonger = -2
)
// Deprecation describes when a Go API has been deprecated.
type Deprecation struct {
// The minor Go version since which this API has been deprecated.
DeprecatedSince int
// The minor Go version since which an alternative API has been available.
// May also be one of DeprecatedNeverUse or DeprecatedUseNoLonger.
AlternativeAvailableSince int
}
// go/importer.ForCompiler contains "Deprecated:", but it refers to a single argument, not the whole function.
// Luckily, the notice starts in the middle of a paragraph, and as such isn't detected by us.
// StdlibDeprecations contains a mapping of Go API (such as variables, methods, or fields, among others)
// to information about when it has been deprecated.
var StdlibDeprecations = map[string]Deprecation{
// FIXME(dh): AllowBinary isn't being detected as deprecated
// because the comment has a newline right after "Deprecated:"
"go/build.AllowBinary": {7, 7},
"(archive/zip.FileHeader).CompressedSize": {1, 1},
"(archive/zip.FileHeader).UncompressedSize": {1, 1},
"(archive/zip.FileHeader).ModifiedTime": {10, 10},
"(archive/zip.FileHeader).ModifiedDate": {10, 10},
"(*archive/zip.FileHeader).ModTime": {10, 10},
"(*archive/zip.FileHeader).SetModTime": {10, 10},
"(go/doc.Package).Bugs": {1, 1},
"os.SEEK_SET": {7, 7},
"os.SEEK_CUR": {7, 7},
"os.SEEK_END": {7, 7},
"(net.Dialer).Cancel": {7, 7},
"runtime.CPUProfile": {9, 0},
"compress/flate.ReadError": {6, DeprecatedUseNoLonger},
"compress/flate.WriteError": {6, DeprecatedUseNoLonger},
"path/filepath.HasPrefix": {0, DeprecatedNeverUse},
"(net/http.Transport).Dial": {7, 7},
"(net/http.Transport).DialTLS": {14, 14},
"(*net/http.Transport).CancelRequest": {6, 5},
"net/http.ErrWriteAfterFlush": {7, DeprecatedUseNoLonger},
"net/http.ErrHeaderTooLong": {8, DeprecatedUseNoLonger},
"net/http.ErrShortBody": {8, DeprecatedUseNoLonger},
"net/http.ErrMissingContentLength": {8, DeprecatedUseNoLonger},
"net/http/httputil.ErrPersistEOF": {0, DeprecatedUseNoLonger},
"net/http/httputil.ErrClosed": {0, DeprecatedUseNoLonger},
"net/http/httputil.ErrPipeline": {0, DeprecatedUseNoLonger},
"net/http/httputil.ServerConn": {0, 0},
"net/http/httputil.NewServerConn": {0, 0},
"net/http/httputil.ClientConn": {0, 0},
"net/http/httputil.NewClientConn": {0, 0},
"net/http/httputil.NewProxyClientConn": {0, 0},
"(net/http.Request).Cancel": {7, 7},
"(text/template/parse.PipeNode).Line": {1, DeprecatedUseNoLonger},
"(text/template/parse.ActionNode).Line": {1, DeprecatedUseNoLonger},
"(text/template/parse.BranchNode).Line": {1, DeprecatedUseNoLonger},
"(text/template/parse.TemplateNode).Line": {1, DeprecatedUseNoLonger},
"database/sql/driver.ColumnConverter": {9, 9},
"database/sql/driver.Execer": {8, 8},
"database/sql/driver.Queryer": {8, 8},
"(database/sql/driver.Conn).Begin": {8, 8},
"(database/sql/driver.Stmt).Exec": {8, 8},
"(database/sql/driver.Stmt).Query": {8, 8},
"syscall.StringByteSlice": {1, 1},
"syscall.StringBytePtr": {1, 1},
"syscall.StringSlicePtr": {1, 1},
"syscall.StringToUTF16": {1, 1},
"syscall.StringToUTF16Ptr": {1, 1},
"(*regexp.Regexp).Copy": {12, DeprecatedUseNoLonger},
"(archive/tar.Header).Xattrs": {10, 10},
"archive/tar.TypeRegA": {11, 1},
"go/types.NewInterface": {11, 11},
"(*go/types.Interface).Embedded": {11, 11},
"go/importer.For": {12, 12},
"encoding/json.InvalidUTF8Error": {2, DeprecatedUseNoLonger},
"encoding/json.UnmarshalFieldError": {2, DeprecatedUseNoLonger},
"encoding/csv.ErrTrailingComma": {2, DeprecatedUseNoLonger},
"(encoding/csv.Reader).TrailingComma": {2, DeprecatedUseNoLonger},
"(net.Dialer).DualStack": {12, 12},
"net/http.ErrUnexpectedTrailer": {12, DeprecatedUseNoLonger},
"net/http.CloseNotifier": {11, 7},
// This is hairy. The notice says "Not all errors in the http package related to protocol errors are of type ProtocolError", but doesn't that imply that some errors do?
"net/http.ProtocolError": {8, DeprecatedUseNoLonger},
"(crypto/x509.CertificateRequest).Attributes": {5, 3},
// These functions have no direct alternative, but they are insecure and should no longer be used.
"crypto/x509.IsEncryptedPEMBlock": {16, DeprecatedNeverUse},
"crypto/x509.DecryptPEMBlock": {16, DeprecatedNeverUse},
"crypto/x509.EncryptPEMBlock": {16, DeprecatedNeverUse},
"crypto/dsa": {16, DeprecatedNeverUse},
// This function has no alternative, but also no purpose.
"(*crypto/rc4.Cipher).Reset": {12, DeprecatedNeverUse},
"(net/http/httptest.ResponseRecorder).HeaderMap": {11, 7},
"image.ZP": {13, 0},
"image.ZR": {13, 0},
"(*debug/gosym.LineTable).LineToPC": {2, 2},
"(*debug/gosym.LineTable).PCToLine": {2, 2},
"crypto/tls.VersionSSL30": {13, DeprecatedNeverUse},
"(crypto/tls.Config).NameToCertificate": {14, DeprecatedUseNoLonger},
"(*crypto/tls.Config).BuildNameToCertificate": {14, DeprecatedUseNoLonger},
"(crypto/tls.Config).SessionTicketKey": {16, 5},
// No alternative, no use
"(crypto/tls.ConnectionState).NegotiatedProtocolIsMutual": {16, DeprecatedNeverUse},
// No alternative, but insecure
"(crypto/tls.ConnectionState).TLSUnique": {16, DeprecatedNeverUse},
"image/jpeg.Reader": {4, DeprecatedNeverUse},
// All of these have been deprecated in favour of external libraries
"syscall.AttachLsf": {7, 0},
"syscall.DetachLsf": {7, 0},
"syscall.LsfSocket": {7, 0},
"syscall.SetLsfPromisc": {7, 0},
"syscall.LsfJump": {7, 0},
"syscall.LsfStmt": {7, 0},
"syscall.BpfStmt": {7, 0},
"syscall.BpfJump": {7, 0},
"syscall.BpfBuflen": {7, 0},
"syscall.SetBpfBuflen": {7, 0},
"syscall.BpfDatalink": {7, 0},
"syscall.SetBpfDatalink": {7, 0},
"syscall.SetBpfPromisc": {7, 0},
"syscall.FlushBpf": {7, 0},
"syscall.BpfInterface": {7, 0},
"syscall.SetBpfInterface": {7, 0},
"syscall.BpfTimeout": {7, 0},
"syscall.SetBpfTimeout": {7, 0},
"syscall.BpfStats": {7, 0},
"syscall.SetBpfImmediate": {7, 0},
"syscall.SetBpf": {7, 0},
"syscall.CheckBpfVersion": {7, 0},
"syscall.BpfHeadercmpl": {7, 0},
"syscall.SetBpfHeadercmpl": {7, 0},
"syscall.RouteRIB": {8, 0},
"syscall.RoutingMessage": {8, 0},
"syscall.RouteMessage": {8, 0},
"syscall.InterfaceMessage": {8, 0},
"syscall.InterfaceAddrMessage": {8, 0},
"syscall.ParseRoutingMessage": {8, 0},
"syscall.ParseRoutingSockaddr": {8, 0},
"syscall.InterfaceAnnounceMessage": {7, 0},
"syscall.InterfaceMulticastAddrMessage": {7, 0},
"syscall.FormatMessage": {5, 0},
"syscall.PostQueuedCompletionStatus": {17, 0},
"syscall.GetQueuedCompletionStatus": {17, 0},
"syscall.CreateIoCompletionPort": {17, 0},
// Not marked as deprecated with a recognizable header, but deprecated nonetheless.
"io/ioutil": {16, 16},
"bytes.Title": {18, 0},
"strings.Title": {18, 0},
"(crypto/tls.Config).PreferServerCipherSuites": {18, DeprecatedUseNoLonger},
// It's not clear if Subjects was okay to use in the past, so we err on the less noisy side of assuming that it was.
"(*crypto/x509.CertPool).Subjects": {18, DeprecatedUseNoLonger},
"go/types.NewSignature": {18, 18},
"(net.Error).Temporary": {18, DeprecatedNeverUse},
// InterfaceData is another tricky case. It was deprecated in Go 1.18, but has been useless since Go 1.4, and an
// "alternative" (using your own unsafe hacks) has existed forever. We don't want to get into hairsplitting with
// users who somehow successfully used this between 1.4 and 1.18, so we'll just tag it as deprecated since 1.18.
"(reflect.Value).InterfaceData": {18, 18},
// The following objects are only deprecated on Windows.
"syscall.Syscall": {18, 18},
"syscall.Syscall12": {18, 18},
"syscall.Syscall15": {18, 18},
"syscall.Syscall18": {18, 18},
"syscall.Syscall6": {18, 18},
"syscall.Syscall9": {18, 18},
}
// Last imported from Go at 4aa1efed4853ea067d665a952eee77c52faac774 with the following numbers of deprecations:
//
// archive/tar/common.go:2
// archive/zip/struct.go:6
// bytes/bytes.go:1
// cmd/compile/internal/ir/expr.go:1
// cmd/compile/internal/ir/type.go:1
// cmd/compile/internal/syntax/walk.go:1
// cmd/compile/internal/types/sym.go:2
// cmd/go/internal/modcmd/edit.go:1
// cmd/go/testdata/mod/example.com_deprecated_a_v1.9.0.txt:2
// cmd/go/testdata/mod/example.com_deprecated_b_v1.9.0.txt:2
// cmd/go/testdata/mod/example.com_undeprecated_v1.0.0.txt:2
// cmd/go/testdata/script/mod_deprecate_message.txt:4
// cmd/go/testdata/script/mod_edit.txt:1
// cmd/go/testdata/script/mod_list_deprecated.txt:2
// cmd/go/testdata/script/mod_list_deprecated_replace.txt:1
// cmd/internal/obj/link.go:5
// cmd/internal/obj/textflag.go:1
// cmd/vendor/golang.org/x/mod/modfile/rule.go:2
// cmd/vendor/golang.org/x/mod/semver/semver.go:1
// cmd/vendor/golang.org/x/sys/unix/zsysnum_darwin_amd64.go:1
// cmd/vendor/golang.org/x/sys/unix/zsysnum_darwin_arm64.go:1
// cmd/vendor/golang.org/x/sys/windows/security_windows.go:1
// cmd/vendor/golang.org/x/sys/windows/syscall_windows.go:2
// compress/flate/inflate.go:2
// crypto/dsa/dsa.go:1
// crypto/rc4/rc4.go:1
// crypto/tls/common.go:7
// crypto/x509/cert_pool.go:1
// crypto/x509/pem_decrypt.go:3
// crypto/x509/x509.go:1
// database/sql/driver/driver.go:6
// debug/gosym/pclntab.go:2
// encoding/csv/reader.go:2
// encoding/json/decode.go:1
// encoding/json/encode.go:1
// go/doc/doc.go:1
// go/importer/importer.go:2
// go/types/errorcodes.go:1
// go/types/interface.go:2
// go/types/signature.go:1
// image/geom.go:2
// image/jpeg/reader.go:1
// net/dial.go:2
// net/http/httptest/recorder.go:1
// net/http/httputil/persist.go:8
// net/http/request.go:6
// net/http/server.go:2
// net/http/socks_bundle.go:1
// net/http/transport.go:3
// net/net.go:1
// os/file.go:1
// path/filepath/path_plan9.go:1
// path/filepath/path_unix.go:1
// path/filepath/path_windows.go:1
// reflect/value.go:1
// regexp/regexp.go:1
// runtime/cpuprof.go:1
// strings/strings.go:1
// syscall/bpf_bsd.go:18
// syscall/bpf_darwin.go:18
// syscall/dll_windows.go:6
// syscall/exec_plan9.go:1
// syscall/exec_unix.go:1
// syscall/lsf_linux.go:6
// syscall/route_bsd.go:7
// syscall/route_darwin.go:1
// syscall/route_dragonfly.go:2
// syscall/route_freebsd.go:2
// syscall/route_netbsd.go:1
// syscall/route_openbsd.go:1
// syscall/syscall.go:3
// syscall/syscall_windows.go:6
// text/template/parse/node.go:5
// vendor/golang.org/x/crypto/curve25519/curve25519.go:1
// vendor/golang.org/x/text/transform/transform.go:1