update dependencies

vendor/golang.org/x/text/internal/language/compact/language.go

@@ -118,7 +118,7 @@ func (t Tag) Parent() Tag {
 	return Tag{language: lang, locale: lang}
 }
 
-// returns token t and the rest of the string.
+// nextToken returns token t and the rest of the string.
 func nextToken(s string) (t, tail string) {
 	p := strings.Index(s[1:], "-")
 	if p == -1 {

vendor/golang.org/x/text/internal/language/compact/tables.go

@@ -966,7 +966,7 @@ var coreTags = []language.CompactCoreInfo{ // 773 elements
 	0x3fd00000, 0x3fd00072, 0x3fd000da, 0x3fd0010c,
 	0x3ff00000, 0x3ff000d1, 0x40100000, 0x401000c3,
 	0x40200000, 0x4020004c, 0x40700000, 0x40800000,
-	0x4085a000, 0x4085a0ba, 0x408e3000, 0x408e30ba,
+	0x4085a000, 0x4085a0ba, 0x408e8000, 0x408e80ba,
 	0x40c00000, 0x40c000b3, 0x41200000, 0x41200111,
 	0x41600000, 0x4160010f, 0x41c00000, 0x41d00000,
 	// Entry 280 - 29F
@@ -994,7 +994,7 @@ var coreTags = []language.CompactCoreInfo{ // 773 elements
 	0x4ae00130, 0x4b400000, 0x4b400099, 0x4b4000e8,
 	0x4bc00000, 0x4bc05000, 0x4bc05024, 0x4bc20000,
 	0x4bc20137, 0x4bc5a000, 0x4bc5a137, 0x4be00000,
-	0x4be5a000, 0x4be5a0b4, 0x4beeb000, 0x4beeb0b4,
+	0x4be5a000, 0x4be5a0b4, 0x4bef1000, 0x4bef10b4,
 	0x4c000000, 0x4c300000, 0x4c30013e, 0x4c900000,
 	// Entry 2E0 - 2FF
 	0x4c900001, 0x4cc00000, 0x4cc0012f, 0x4ce00000,
@@ -1012,4 +1012,4 @@ var coreTags = []language.CompactCoreInfo{ // 773 elements
 
 const specialTagsStr string = "ca-ES-valencia en-US-u-va-posix"
 
-// Total table size 3147 bytes (3KiB); checksum: BE816D44
+// Total table size 3147 bytes (3KiB); checksum: 6772C83C

vendor/golang.org/x/text/internal/language/language.go

@@ -251,6 +251,13 @@ func (t Tag) Parent() Tag {
 
 // ParseExtension parses s as an extension and returns it on success.
 func ParseExtension(s string) (ext string, err error) {
+	defer func() {
+		if recover() != nil {
+			ext = ""
+			err = ErrSyntax
+		}
+	}()
+
 	scan := makeScannerString(s)
 	var end int
 	if n := len(scan.token); n != 1 {
@@ -402,7 +409,7 @@ func (t Tag) SetTypeForKey(key, value string) (Tag, error) {
 	return t, nil
 }
 
-// findKeyAndType returns the start and end position for the type corresponding
+// findTypeForKey returns the start and end position for the type corresponding
 // to key or the point at which to insert the key-value pair if the type
 // wasn't found. The hasExt return value reports whether an -u extension was present.
 // Note: the extensions are typically very small and are likely to contain
@@ -461,7 +468,14 @@ func (t Tag) findTypeForKey(key string) (start, sep, end int, hasExt bool) {
 // ParseBase parses a 2- or 3-letter ISO 639 code.
 // It returns a ValueError if s is a well-formed but unknown language identifier
 // or another error if another error occurred.
-func ParseBase(s string) (Language, error) {
+func ParseBase(s string) (l Language, err error) {
+	defer func() {
+		if recover() != nil {
+			l = 0
+			err = ErrSyntax
+		}
+	}()
+
 	if n := len(s); n < 2 || 3 < n {
 		return 0, ErrSyntax
 	}
@@ -472,7 +486,14 @@ func ParseBase(s string) (Language, error) {
 // ParseScript parses a 4-letter ISO 15924 code.
 // It returns a ValueError if s is a well-formed but unknown script identifier
 // or another error if another error occurred.
-func ParseScript(s string) (Script, error) {
+func ParseScript(s string) (scr Script, err error) {
+	defer func() {
+		if recover() != nil {
+			scr = 0
+			err = ErrSyntax
+		}
+	}()
+
 	if len(s) != 4 {
 		return 0, ErrSyntax
 	}
@@ -489,7 +510,14 @@ func EncodeM49(r int) (Region, error) {
 // ParseRegion parses a 2- or 3-letter ISO 3166-1 or a UN M.49 code.
 // It returns a ValueError if s is a well-formed but unknown region identifier
 // or another error if another error occurred.
-func ParseRegion(s string) (Region, error) {
+func ParseRegion(s string) (r Region, err error) {
+	defer func() {
+		if recover() != nil {
+			r = 0
+			err = ErrSyntax
+		}
+	}()
+
 	if n := len(s); n < 2 || 3 < n {
 		return 0, ErrSyntax
 	}
@@ -578,7 +606,14 @@ type Variant struct {
 
 // ParseVariant parses and returns a Variant. An error is returned if s is not
 // a valid variant.
-func ParseVariant(s string) (Variant, error) {
+func ParseVariant(s string) (v Variant, err error) {
+	defer func() {
+		if recover() != nil {
+			v = Variant{}
+			err = ErrSyntax
+		}
+	}()
+
 	s = strings.ToLower(s)
 	if id, ok := variantIndex[s]; ok {
 		return Variant{id, s}, nil

vendor/golang.org/x/text/internal/language/lookup.go

@@ -50,7 +50,7 @@ func (id Language) Canonicalize() (Language, AliasType) {
 	return normLang(id)
 }
 
-// mapLang returns the mapped langID of id according to mapping m.
+// normLang returns the mapped langID of id according to mapping m.
 func normLang(id Language) (Language, AliasType) {
 	k := sort.Search(len(AliasMap), func(i int) bool {
 		return AliasMap[i].From >= uint16(id)
@@ -328,7 +328,7 @@ func (r Region) IsPrivateUse() bool {
 	return r.typ()&iso3166UserAssigned != 0
 }
 
-type Script uint8
+type Script uint16
 
 // getScriptID returns the script id for string s. It assumes that s
 // is of the format [A-Z][a-z]{3}.

vendor/golang.org/x/text/internal/language/parse.go

@@ -232,6 +232,13 @@ func Parse(s string) (t Tag, err error) {
 	if s == "" {
 		return Und, ErrSyntax
 	}
+	defer func() {
+		if recover() != nil {
+			t = Und
+			err = ErrSyntax
+			return
+		}
+	}()
 	if len(s) <= maxAltTaglen {
 		b := [maxAltTaglen]byte{}
 		for i, c := range s {
@@ -263,7 +270,7 @@ func parse(scan *scanner, s string) (t Tag, err error) {
 	} else if n >= 4 {
 		return Und, ErrSyntax
 	} else { // the usual case
-		t, end = parseTag(scan)
+		t, end = parseTag(scan, true)
 		if n := len(scan.token); n == 1 {
 			t.pExt = uint16(end)
 			end = parseExtensions(scan)
@@ -289,7 +296,8 @@ func parse(scan *scanner, s string) (t Tag, err error) {
 
 // parseTag parses language, script, region and variants.
 // It returns a Tag and the end position in the input that was parsed.
-func parseTag(scan *scanner) (t Tag, end int) {
+// If doNorm is true, then <lang>-<extlang> will be normalized to <extlang>.
+func parseTag(scan *scanner, doNorm bool) (t Tag, end int) {
 	var e error
 	// TODO: set an error if an unknown lang, script or region is encountered.
 	t.LangID, e = getLangID(scan.token)
@@ -300,14 +308,17 @@ func parseTag(scan *scanner) (t Tag, end int) {
 	for len(scan.token) == 3 && isAlpha(scan.token[0]) {
 		// From http://tools.ietf.org/html/bcp47, <lang>-<extlang> tags are equivalent
 		// to a tag of the form <extlang>.
-		lang, e := getLangID(scan.token)
-		if lang != 0 {
-			t.LangID = lang
-			copy(scan.b[langStart:], lang.String())
-			scan.b[langStart+3] = '-'
-			scan.start = langStart + 4
+		if doNorm {
+			lang, e := getLangID(scan.token)
+			if lang != 0 {
+				t.LangID = lang
+				langStr := lang.String()
+				copy(scan.b[langStart:], langStr)
+				scan.b[langStart+len(langStr)] = '-'
+				scan.start = langStart + len(langStr) + 1
+			}
+			scan.gobble(e)
 		}
-		scan.gobble(e)
 		end = scan.scan()
 	}
 	if len(scan.token) == 4 && isAlpha(scan.token[0]) {
@@ -552,7 +563,7 @@ func parseExtension(scan *scanner) int {
 	case 't': // https://www.ietf.org/rfc/rfc6497.txt
 		scan.scan()
 		if n := len(scan.token); n >= 2 && n <= 3 && isAlpha(scan.token[1]) {
-			_, end = parseTag(scan)
+			_, end = parseTag(scan, false)
 			scan.toLower(start, end)
 		}
 		for len(scan.token) == 2 && !isAlpha(scan.token[1]) {

vendor/golang.org/x/text/internal/utf8internal/utf8internal.go

@@ -74,7 +74,7 @@ type AcceptRange struct {
 
 // AcceptRanges is a slice of AcceptRange values. For a given byte sequence b
 //
-//		AcceptRanges[First[b[0]]>>AcceptShift]
+//	AcceptRanges[First[b[0]]>>AcceptShift]
 //
 // will give the value of AcceptRange for the multi-byte UTF-8 sequence starting
 // at b[0].