vendor: update gcs driver dependencies files

Signed-off-by: Flavian Missi <fmissi@redhat.com>

vendor/google.golang.org/protobuf/internal/encoding/defval/default.go

@@ -15,8 +15,8 @@ import (
 	"strconv"
 
 	ptext "google.golang.org/protobuf/internal/encoding/text"
-	errors "google.golang.org/protobuf/internal/errors"
-	pref "google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/internal/errors"
+	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
 // Format is the serialization format used to represent the default value.
@@ -35,56 +35,56 @@ const (
 
 // Unmarshal deserializes the default string s according to the given kind k.
 // When k is an enum, a list of enum value descriptors must be provided.
-func Unmarshal(s string, k pref.Kind, evs pref.EnumValueDescriptors, f Format) (pref.Value, pref.EnumValueDescriptor, error) {
+func Unmarshal(s string, k protoreflect.Kind, evs protoreflect.EnumValueDescriptors, f Format) (protoreflect.Value, protoreflect.EnumValueDescriptor, error) {
 	switch k {
-	case pref.BoolKind:
+	case protoreflect.BoolKind:
 		if f == GoTag {
 			switch s {
 			case "1":
-				return pref.ValueOfBool(true), nil, nil
+				return protoreflect.ValueOfBool(true), nil, nil
 			case "0":
-				return pref.ValueOfBool(false), nil, nil
+				return protoreflect.ValueOfBool(false), nil, nil
 			}
 		} else {
 			switch s {
 			case "true":
-				return pref.ValueOfBool(true), nil, nil
+				return protoreflect.ValueOfBool(true), nil, nil
 			case "false":
-				return pref.ValueOfBool(false), nil, nil
+				return protoreflect.ValueOfBool(false), nil, nil
 			}
 		}
-	case pref.EnumKind:
+	case protoreflect.EnumKind:
 		if f == GoTag {
 			// Go tags use the numeric form of the enum value.
 			if n, err := strconv.ParseInt(s, 10, 32); err == nil {
-				if ev := evs.ByNumber(pref.EnumNumber(n)); ev != nil {
-					return pref.ValueOfEnum(ev.Number()), ev, nil
+				if ev := evs.ByNumber(protoreflect.EnumNumber(n)); ev != nil {
+					return protoreflect.ValueOfEnum(ev.Number()), ev, nil
 				}
 			}
 		} else {
 			// Descriptor default_value use the enum identifier.
-			ev := evs.ByName(pref.Name(s))
+			ev := evs.ByName(protoreflect.Name(s))
 			if ev != nil {
-				return pref.ValueOfEnum(ev.Number()), ev, nil
+				return protoreflect.ValueOfEnum(ev.Number()), ev, nil
 			}
 		}
-	case pref.Int32Kind, pref.Sint32Kind, pref.Sfixed32Kind:
+	case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
 		if v, err := strconv.ParseInt(s, 10, 32); err == nil {
-			return pref.ValueOfInt32(int32(v)), nil, nil
+			return protoreflect.ValueOfInt32(int32(v)), nil, nil
 		}
-	case pref.Int64Kind, pref.Sint64Kind, pref.Sfixed64Kind:
+	case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
 		if v, err := strconv.ParseInt(s, 10, 64); err == nil {
-			return pref.ValueOfInt64(int64(v)), nil, nil
+			return protoreflect.ValueOfInt64(int64(v)), nil, nil
 		}
-	case pref.Uint32Kind, pref.Fixed32Kind:
+	case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
 		if v, err := strconv.ParseUint(s, 10, 32); err == nil {
-			return pref.ValueOfUint32(uint32(v)), nil, nil
+			return protoreflect.ValueOfUint32(uint32(v)), nil, nil
 		}
-	case pref.Uint64Kind, pref.Fixed64Kind:
+	case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
 		if v, err := strconv.ParseUint(s, 10, 64); err == nil {
-			return pref.ValueOfUint64(uint64(v)), nil, nil
+			return protoreflect.ValueOfUint64(uint64(v)), nil, nil
 		}
-	case pref.FloatKind, pref.DoubleKind:
+	case protoreflect.FloatKind, protoreflect.DoubleKind:
 		var v float64
 		var err error
 		switch s {
@@ -98,29 +98,29 @@ func Unmarshal(s string, k pref.Kind, evs pref.EnumValueDescriptors, f Format) (
 			v, err = strconv.ParseFloat(s, 64)
 		}
 		if err == nil {
-			if k == pref.FloatKind {
-				return pref.ValueOfFloat32(float32(v)), nil, nil
+			if k == protoreflect.FloatKind {
+				return protoreflect.ValueOfFloat32(float32(v)), nil, nil
 			} else {
-				return pref.ValueOfFloat64(float64(v)), nil, nil
+				return protoreflect.ValueOfFloat64(float64(v)), nil, nil
 			}
 		}
-	case pref.StringKind:
+	case protoreflect.StringKind:
 		// String values are already unescaped and can be used as is.
-		return pref.ValueOfString(s), nil, nil
-	case pref.BytesKind:
+		return protoreflect.ValueOfString(s), nil, nil
+	case protoreflect.BytesKind:
 		if b, ok := unmarshalBytes(s); ok {
-			return pref.ValueOfBytes(b), nil, nil
+			return protoreflect.ValueOfBytes(b), nil, nil
 		}
 	}
-	return pref.Value{}, nil, errors.New("could not parse value for %v: %q", k, s)
+	return protoreflect.Value{}, nil, errors.New("could not parse value for %v: %q", k, s)
 }
 
 // Marshal serializes v as the default string according to the given kind k.
 // When specifying the Descriptor format for an enum kind, the associated
 // enum value descriptor must be provided.
-func Marshal(v pref.Value, ev pref.EnumValueDescriptor, k pref.Kind, f Format) (string, error) {
+func Marshal(v protoreflect.Value, ev protoreflect.EnumValueDescriptor, k protoreflect.Kind, f Format) (string, error) {
 	switch k {
-	case pref.BoolKind:
+	case protoreflect.BoolKind:
 		if f == GoTag {
 			if v.Bool() {
 				return "1", nil
@@ -134,17 +134,17 @@ func Marshal(v pref.Value, ev pref.EnumValueDescriptor, k pref.Kind, f Format) (
 				return "false", nil
 			}
 		}
-	case pref.EnumKind:
+	case protoreflect.EnumKind:
 		if f == GoTag {
 			return strconv.FormatInt(int64(v.Enum()), 10), nil
 		} else {
 			return string(ev.Name()), nil
 		}
-	case pref.Int32Kind, pref.Sint32Kind, pref.Sfixed32Kind, pref.Int64Kind, pref.Sint64Kind, pref.Sfixed64Kind:
+	case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
 		return strconv.FormatInt(v.Int(), 10), nil
-	case pref.Uint32Kind, pref.Fixed32Kind, pref.Uint64Kind, pref.Fixed64Kind:
+	case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
 		return strconv.FormatUint(v.Uint(), 10), nil
-	case pref.FloatKind, pref.DoubleKind:
+	case protoreflect.FloatKind, protoreflect.DoubleKind:
 		f := v.Float()
 		switch {
 		case math.IsInf(f, -1):
@@ -154,16 +154,16 @@ func Marshal(v pref.Value, ev pref.EnumValueDescriptor, k pref.Kind, f Format) (
 		case math.IsNaN(f):
 			return "nan", nil
 		default:
-			if k == pref.FloatKind {
+			if k == protoreflect.FloatKind {
 				return strconv.FormatFloat(f, 'g', -1, 32), nil
 			} else {
 				return strconv.FormatFloat(f, 'g', -1, 64), nil
 			}
 		}
-	case pref.StringKind:
+	case protoreflect.StringKind:
 		// String values are serialized as is without any escaping.
 		return v.String(), nil
-	case pref.BytesKind:
+	case protoreflect.BytesKind:
 		if s, ok := marshalBytes(v.Bytes()); ok {
 			return s, nil
 		}

vendor/google.golang.org/protobuf/internal/encoding/json/decode.go

@@ -0,0 +1,340 @@
+// Copyright 2018 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 json
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"regexp"
+	"unicode/utf8"
+
+	"google.golang.org/protobuf/internal/errors"
+)
+
+// call specifies which Decoder method was invoked.
+type call uint8
+
+const (
+	readCall call = iota
+	peekCall
+)
+
+const unexpectedFmt = "unexpected token %s"
+
+// ErrUnexpectedEOF means that EOF was encountered in the middle of the input.
+var ErrUnexpectedEOF = errors.New("%v", io.ErrUnexpectedEOF)
+
+// Decoder is a token-based JSON decoder.
+type Decoder struct {
+	// lastCall is last method called, either readCall or peekCall.
+	// Initial value is readCall.
+	lastCall call
+
+	// lastToken contains the last read token.
+	lastToken Token
+
+	// lastErr contains the last read error.
+	lastErr error
+
+	// openStack is a stack containing ObjectOpen and ArrayOpen values. The
+	// top of stack represents the object or the array the current value is
+	// directly located in.
+	openStack []Kind
+
+	// orig is used in reporting line and column.
+	orig []byte
+	// in contains the unconsumed input.
+	in []byte
+}
+
+// NewDecoder returns a Decoder to read the given []byte.
+func NewDecoder(b []byte) *Decoder {
+	return &Decoder{orig: b, in: b}
+}
+
+// Peek looks ahead and returns the next token kind without advancing a read.
+func (d *Decoder) Peek() (Token, error) {
+	defer func() { d.lastCall = peekCall }()
+	if d.lastCall == readCall {
+		d.lastToken, d.lastErr = d.Read()
+	}
+	return d.lastToken, d.lastErr
+}
+
+// Read returns the next JSON token.
+// It will return an error if there is no valid token.
+func (d *Decoder) Read() (Token, error) {
+	const scalar = Null | Bool | Number | String
+
+	defer func() { d.lastCall = readCall }()
+	if d.lastCall == peekCall {
+		return d.lastToken, d.lastErr
+	}
+
+	tok, err := d.parseNext()
+	if err != nil {
+		return Token{}, err
+	}
+
+	switch tok.kind {
+	case EOF:
+		if len(d.openStack) != 0 ||
+			d.lastToken.kind&scalar|ObjectClose|ArrayClose == 0 {
+			return Token{}, ErrUnexpectedEOF
+		}
+
+	case Null:
+		if !d.isValueNext() {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+
+	case Bool, Number:
+		if !d.isValueNext() {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+
+	case String:
+		if d.isValueNext() {
+			break
+		}
+		// This string token should only be for a field name.
+		if d.lastToken.kind&(ObjectOpen|comma) == 0 {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+		if len(d.in) == 0 {
+			return Token{}, ErrUnexpectedEOF
+		}
+		if c := d.in[0]; c != ':' {
+			return Token{}, d.newSyntaxError(d.currPos(), `unexpected character %s, missing ":" after field name`, string(c))
+		}
+		tok.kind = Name
+		d.consume(1)
+
+	case ObjectOpen, ArrayOpen:
+		if !d.isValueNext() {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+		d.openStack = append(d.openStack, tok.kind)
+
+	case ObjectClose:
+		if len(d.openStack) == 0 ||
+			d.lastToken.kind == comma ||
+			d.openStack[len(d.openStack)-1] != ObjectOpen {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+		d.openStack = d.openStack[:len(d.openStack)-1]
+
+	case ArrayClose:
+		if len(d.openStack) == 0 ||
+			d.lastToken.kind == comma ||
+			d.openStack[len(d.openStack)-1] != ArrayOpen {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+		d.openStack = d.openStack[:len(d.openStack)-1]
+
+	case comma:
+		if len(d.openStack) == 0 ||
+			d.lastToken.kind&(scalar|ObjectClose|ArrayClose) == 0 {
+			return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+		}
+	}
+
+	// Update d.lastToken only after validating token to be in the right sequence.
+	d.lastToken = tok
+
+	if d.lastToken.kind == comma {
+		return d.Read()
+	}
+	return tok, nil
+}
+
+// Any sequence that looks like a non-delimiter (for error reporting).
+var errRegexp = regexp.MustCompile(`^([-+._a-zA-Z0-9]{1,32}|.)`)
+
+// parseNext parses for the next JSON token. It returns a Token object for
+// different types, except for Name. It does not handle whether the next token
+// is in a valid sequence or not.
+func (d *Decoder) parseNext() (Token, error) {
+	// Trim leading spaces.
+	d.consume(0)
+
+	in := d.in
+	if len(in) == 0 {
+		return d.consumeToken(EOF, 0), nil
+	}
+
+	switch in[0] {
+	case 'n':
+		if n := matchWithDelim("null", in); n != 0 {
+			return d.consumeToken(Null, n), nil
+		}
+
+	case 't':
+		if n := matchWithDelim("true", in); n != 0 {
+			return d.consumeBoolToken(true, n), nil
+		}
+
+	case 'f':
+		if n := matchWithDelim("false", in); n != 0 {
+			return d.consumeBoolToken(false, n), nil
+		}
+
+	case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+		if n, ok := parseNumber(in); ok {
+			return d.consumeToken(Number, n), nil
+		}
+
+	case '"':
+		s, n, err := d.parseString(in)
+		if err != nil {
+			return Token{}, err
+		}
+		return d.consumeStringToken(s, n), nil
+
+	case '{':
+		return d.consumeToken(ObjectOpen, 1), nil
+
+	case '}':
+		return d.consumeToken(ObjectClose, 1), nil
+
+	case '[':
+		return d.consumeToken(ArrayOpen, 1), nil
+
+	case ']':
+		return d.consumeToken(ArrayClose, 1), nil
+
+	case ',':
+		return d.consumeToken(comma, 1), nil
+	}
+	return Token{}, d.newSyntaxError(d.currPos(), "invalid value %s", errRegexp.Find(in))
+}
+
+// newSyntaxError returns an error with line and column information useful for
+// syntax errors.
+func (d *Decoder) newSyntaxError(pos int, f string, x ...interface{}) error {
+	e := errors.New(f, x...)
+	line, column := d.Position(pos)
+	return errors.New("syntax error (line %d:%d): %v", line, column, e)
+}
+
+// Position returns line and column number of given index of the original input.
+// It will panic if index is out of range.
+func (d *Decoder) Position(idx int) (line int, column int) {
+	b := d.orig[:idx]
+	line = bytes.Count(b, []byte("\n")) + 1
+	if i := bytes.LastIndexByte(b, '\n'); i >= 0 {
+		b = b[i+1:]
+	}
+	column = utf8.RuneCount(b) + 1 // ignore multi-rune characters
+	return line, column
+}
+
+// currPos returns the current index position of d.in from d.orig.
+func (d *Decoder) currPos() int {
+	return len(d.orig) - len(d.in)
+}
+
+// matchWithDelim matches s with the input b and verifies that the match
+// terminates with a delimiter of some form (e.g., r"[^-+_.a-zA-Z0-9]").
+// As a special case, EOF is considered a delimiter. It returns the length of s
+// if there is a match, else 0.
+func matchWithDelim(s string, b []byte) int {
+	if !bytes.HasPrefix(b, []byte(s)) {
+		return 0
+	}
+
+	n := len(s)
+	if n < len(b) && isNotDelim(b[n]) {
+		return 0
+	}
+	return n
+}
+
+// isNotDelim returns true if given byte is a not delimiter character.
+func isNotDelim(c byte) bool {
+	return (c == '-' || c == '+' || c == '.' || c == '_' ||
+		('a' <= c && c <= 'z') ||
+		('A' <= c && c <= 'Z') ||
+		('0' <= c && c <= '9'))
+}
+
+// consume consumes n bytes of input and any subsequent whitespace.
+func (d *Decoder) consume(n int) {
+	d.in = d.in[n:]
+	for len(d.in) > 0 {
+		switch d.in[0] {
+		case ' ', '\n', '\r', '\t':
+			d.in = d.in[1:]
+		default:
+			return
+		}
+	}
+}
+
+// isValueNext returns true if next type should be a JSON value: Null,
+// Number, String or Bool.
+func (d *Decoder) isValueNext() bool {
+	if len(d.openStack) == 0 {
+		return d.lastToken.kind == 0
+	}
+
+	start := d.openStack[len(d.openStack)-1]
+	switch start {
+	case ObjectOpen:
+		return d.lastToken.kind&Name != 0
+	case ArrayOpen:
+		return d.lastToken.kind&(ArrayOpen|comma) != 0
+	}
+	panic(fmt.Sprintf(
+		"unreachable logic in Decoder.isValueNext, lastToken.kind: %v, openStack: %v",
+		d.lastToken.kind, start))
+}
+
+// consumeToken constructs a Token for given Kind with raw value derived from
+// current d.in and given size, and consumes the given size-length of it.
+func (d *Decoder) consumeToken(kind Kind, size int) Token {
+	tok := Token{
+		kind: kind,
+		raw:  d.in[:size],
+		pos:  len(d.orig) - len(d.in),
+	}
+	d.consume(size)
+	return tok
+}
+
+// consumeBoolToken constructs a Token for a Bool kind with raw value derived from
+// current d.in and given size.
+func (d *Decoder) consumeBoolToken(b bool, size int) Token {
+	tok := Token{
+		kind: Bool,
+		raw:  d.in[:size],
+		pos:  len(d.orig) - len(d.in),
+		boo:  b,
+	}
+	d.consume(size)
+	return tok
+}
+
+// consumeStringToken constructs a Token for a String kind with raw value derived
+// from current d.in and given size.
+func (d *Decoder) consumeStringToken(s string, size int) Token {
+	tok := Token{
+		kind: String,
+		raw:  d.in[:size],
+		pos:  len(d.orig) - len(d.in),
+		str:  s,
+	}
+	d.consume(size)
+	return tok
+}
+
+// Clone returns a copy of the Decoder for use in reading ahead the next JSON
+// object, array or other values without affecting current Decoder.
+func (d *Decoder) Clone() *Decoder {
+	ret := *d
+	ret.openStack = append([]Kind(nil), ret.openStack...)
+	return &ret
+}

vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go

@@ -0,0 +1,254 @@
+// Copyright 2018 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 json
+
+import (
+	"bytes"
+	"strconv"
+)
+
+// parseNumber reads the given []byte for a valid JSON number. If it is valid,
+// it returns the number of bytes.  Parsing logic follows the definition in
+// https://tools.ietf.org/html/rfc7159#section-6, and is based off
+// encoding/json.isValidNumber function.
+func parseNumber(input []byte) (int, bool) {
+	var n int
+
+	s := input
+	if len(s) == 0 {
+		return 0, false
+	}
+
+	// Optional -
+	if s[0] == '-' {
+		s = s[1:]
+		n++
+		if len(s) == 0 {
+			return 0, false
+		}
+	}
+
+	// Digits
+	switch {
+	case s[0] == '0':
+		s = s[1:]
+		n++
+
+	case '1' <= s[0] && s[0] <= '9':
+		s = s[1:]
+		n++
+		for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+			s = s[1:]
+			n++
+		}
+
+	default:
+		return 0, false
+	}
+
+	// . followed by 1 or more digits.
+	if len(s) >= 2 && s[0] == '.' && '0' <= s[1] && s[1] <= '9' {
+		s = s[2:]
+		n += 2
+		for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+			s = s[1:]
+			n++
+		}
+	}
+
+	// e or E followed by an optional - or + and
+	// 1 or more digits.
+	if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') {
+		s = s[1:]
+		n++
+		if s[0] == '+' || s[0] == '-' {
+			s = s[1:]
+			n++
+			if len(s) == 0 {
+				return 0, false
+			}
+		}
+		for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+			s = s[1:]
+			n++
+		}
+	}
+
+	// Check that next byte is a delimiter or it is at the end.
+	if n < len(input) && isNotDelim(input[n]) {
+		return 0, false
+	}
+
+	return n, true
+}
+
+// numberParts is the result of parsing out a valid JSON number. It contains
+// the parts of a number. The parts are used for integer conversion.
+type numberParts struct {
+	neg  bool
+	intp []byte
+	frac []byte
+	exp  []byte
+}
+
+// parseNumber constructs numberParts from given []byte. The logic here is
+// similar to consumeNumber above with the difference of having to construct
+// numberParts. The slice fields in numberParts are subslices of the input.
+func parseNumberParts(input []byte) (numberParts, bool) {
+	var neg bool
+	var intp []byte
+	var frac []byte
+	var exp []byte
+
+	s := input
+	if len(s) == 0 {
+		return numberParts{}, false
+	}
+
+	// Optional -
+	if s[0] == '-' {
+		neg = true
+		s = s[1:]
+		if len(s) == 0 {
+			return numberParts{}, false
+		}
+	}
+
+	// Digits
+	switch {
+	case s[0] == '0':
+		// Skip first 0 and no need to store.
+		s = s[1:]
+
+	case '1' <= s[0] && s[0] <= '9':
+		intp = s
+		n := 1
+		s = s[1:]
+		for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+			s = s[1:]
+			n++
+		}
+		intp = intp[:n]
+
+	default:
+		return numberParts{}, false
+	}
+
+	// . followed by 1 or more digits.
+	if len(s) >= 2 && s[0] == '.' && '0' <= s[1] && s[1] <= '9' {
+		frac = s[1:]
+		n := 1
+		s = s[2:]
+		for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+			s = s[1:]
+			n++
+		}
+		frac = frac[:n]
+	}
+
+	// e or E followed by an optional - or + and
+	// 1 or more digits.
+	if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') {
+		s = s[1:]
+		exp = s
+		n := 0
+		if s[0] == '+' || s[0] == '-' {
+			s = s[1:]
+			n++
+			if len(s) == 0 {
+				return numberParts{}, false
+			}
+		}
+		for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+			s = s[1:]
+			n++
+		}
+		exp = exp[:n]
+	}
+
+	return numberParts{
+		neg:  neg,
+		intp: intp,
+		frac: bytes.TrimRight(frac, "0"), // Remove unnecessary 0s to the right.
+		exp:  exp,
+	}, true
+}
+
+// normalizeToIntString returns an integer string in normal form without the
+// E-notation for given numberParts. It will return false if it is not an
+// integer or if the exponent exceeds than max/min int value.
+func normalizeToIntString(n numberParts) (string, bool) {
+	intpSize := len(n.intp)
+	fracSize := len(n.frac)
+
+	if intpSize == 0 && fracSize == 0 {
+		return "0", true
+	}
+
+	var exp int
+	if len(n.exp) > 0 {
+		i, err := strconv.ParseInt(string(n.exp), 10, 32)
+		if err != nil {
+			return "", false
+		}
+		exp = int(i)
+	}
+
+	var num []byte
+	if exp >= 0 {
+		// For positive E, shift fraction digits into integer part and also pad
+		// with zeroes as needed.
+
+		// If there are more digits in fraction than the E value, then the
+		// number is not an integer.
+		if fracSize > exp {
+			return "", false
+		}
+
+		// Make sure resulting digits are within max value limit to avoid
+		// unnecessarily constructing a large byte slice that may simply fail
+		// later on.
+		const maxDigits = 20 // Max uint64 value has 20 decimal digits.
+		if intpSize+exp > maxDigits {
+			return "", false
+		}
+
+		// Set cap to make a copy of integer part when appended.
+		num = n.intp[:len(n.intp):len(n.intp)]
+		num = append(num, n.frac...)
+		for i := 0; i < exp-fracSize; i++ {
+			num = append(num, '0')
+		}
+	} else {
+		// For negative E, shift digits in integer part out.
+
+		// If there are fractions, then the number is not an integer.
+		if fracSize > 0 {
+			return "", false
+		}
+
+		// index is where the decimal point will be after adjusting for negative
+		// exponent.
+		index := intpSize + exp
+		if index < 0 {
+			return "", false
+		}
+
+		num = n.intp
+		// If any of the digits being shifted to the right of the decimal point
+		// is non-zero, then the number is not an integer.
+		for i := index; i < intpSize; i++ {
+			if num[i] != '0' {
+				return "", false
+			}
+		}
+		num = num[:index]
+	}
+
+	if n.neg {
+		return "-" + string(num), true
+	}
+	return string(num), true
+}

vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go

@@ -0,0 +1,91 @@
+// Copyright 2018 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 json
+
+import (
+	"strconv"
+	"unicode"
+	"unicode/utf16"
+	"unicode/utf8"
+
+	"google.golang.org/protobuf/internal/strs"
+)
+
+func (d *Decoder) parseString(in []byte) (string, int, error) {
+	in0 := in
+	if len(in) == 0 {
+		return "", 0, ErrUnexpectedEOF
+	}
+	if in[0] != '"' {
+		return "", 0, d.newSyntaxError(d.currPos(), "invalid character %q at start of string", in[0])
+	}
+	in = in[1:]
+	i := indexNeedEscapeInBytes(in)
+	in, out := in[i:], in[:i:i] // set cap to prevent mutations
+	for len(in) > 0 {
+		switch r, n := utf8.DecodeRune(in); {
+		case r == utf8.RuneError && n == 1:
+			return "", 0, d.newSyntaxError(d.currPos(), "invalid UTF-8 in string")
+		case r < ' ':
+			return "", 0, d.newSyntaxError(d.currPos(), "invalid character %q in string", r)
+		case r == '"':
+			in = in[1:]
+			n := len(in0) - len(in)
+			return string(out), n, nil
+		case r == '\\':
+			if len(in) < 2 {
+				return "", 0, ErrUnexpectedEOF
+			}
+			switch r := in[1]; r {
+			case '"', '\\', '/':
+				in, out = in[2:], append(out, r)
+			case 'b':
+				in, out = in[2:], append(out, '\b')
+			case 'f':
+				in, out = in[2:], append(out, '\f')
+			case 'n':
+				in, out = in[2:], append(out, '\n')
+			case 'r':
+				in, out = in[2:], append(out, '\r')
+			case 't':
+				in, out = in[2:], append(out, '\t')
+			case 'u':
+				if len(in) < 6 {
+					return "", 0, ErrUnexpectedEOF
+				}
+				v, err := strconv.ParseUint(string(in[2:6]), 16, 16)
+				if err != nil {
+					return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:6])
+				}
+				in = in[6:]
+
+				r := rune(v)
+				if utf16.IsSurrogate(r) {
+					if len(in) < 6 {
+						return "", 0, ErrUnexpectedEOF
+					}
+					v, err := strconv.ParseUint(string(in[2:6]), 16, 16)
+					r = utf16.DecodeRune(r, rune(v))
+					if in[0] != '\\' || in[1] != 'u' ||
+						r == unicode.ReplacementChar || err != nil {
+						return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:6])
+					}
+					in = in[6:]
+				}
+				out = append(out, string(r)...)
+			default:
+				return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:2])
+			}
+		default:
+			i := indexNeedEscapeInBytes(in[n:])
+			in, out = in[n+i:], append(out, in[:n+i]...)
+		}
+	}
+	return "", 0, ErrUnexpectedEOF
+}
+
+// indexNeedEscapeInBytes returns the index of the character that needs
+// escaping. If no characters need escaping, this returns the input length.
+func indexNeedEscapeInBytes(b []byte) int { return indexNeedEscapeInString(strs.UnsafeString(b)) }

vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go

@@ -0,0 +1,192 @@
+// Copyright 2019 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 json
+
+import (
+	"bytes"
+	"fmt"
+	"strconv"
+)
+
+// Kind represents a token kind expressible in the JSON format.
+type Kind uint16
+
+const (
+	Invalid Kind = (1 << iota) / 2
+	EOF
+	Null
+	Bool
+	Number
+	String
+	Name
+	ObjectOpen
+	ObjectClose
+	ArrayOpen
+	ArrayClose
+
+	// comma is only for parsing in between tokens and
+	// does not need to be exported.
+	comma
+)
+
+func (k Kind) String() string {
+	switch k {
+	case EOF:
+		return "eof"
+	case Null:
+		return "null"
+	case Bool:
+		return "bool"
+	case Number:
+		return "number"
+	case String:
+		return "string"
+	case ObjectOpen:
+		return "{"
+	case ObjectClose:
+		return "}"
+	case Name:
+		return "name"
+	case ArrayOpen:
+		return "["
+	case ArrayClose:
+		return "]"
+	case comma:
+		return ","
+	}
+	return "<invalid>"
+}
+
+// Token provides a parsed token kind and value.
+//
+// Values are provided by the difference accessor methods. The accessor methods
+// Name, Bool, and ParsedString will panic if called on the wrong kind. There
+// are different accessor methods for the Number kind for converting to the
+// appropriate Go numeric type and those methods have the ok return value.
+type Token struct {
+	// Token kind.
+	kind Kind
+	// pos provides the position of the token in the original input.
+	pos int
+	// raw bytes of the serialized token.
+	// This is a subslice into the original input.
+	raw []byte
+	// boo is parsed boolean value.
+	boo bool
+	// str is parsed string value.
+	str string
+}
+
+// Kind returns the token kind.
+func (t Token) Kind() Kind {
+	return t.kind
+}
+
+// RawString returns the read value in string.
+func (t Token) RawString() string {
+	return string(t.raw)
+}
+
+// Pos returns the token position from the input.
+func (t Token) Pos() int {
+	return t.pos
+}
+
+// Name returns the object name if token is Name, else it panics.
+func (t Token) Name() string {
+	if t.kind == Name {
+		return t.str
+	}
+	panic(fmt.Sprintf("Token is not a Name: %v", t.RawString()))
+}
+
+// Bool returns the bool value if token kind is Bool, else it panics.
+func (t Token) Bool() bool {
+	if t.kind == Bool {
+		return t.boo
+	}
+	panic(fmt.Sprintf("Token is not a Bool: %v", t.RawString()))
+}
+
+// ParsedString returns the string value for a JSON string token or the read
+// value in string if token is not a string.
+func (t Token) ParsedString() string {
+	if t.kind == String {
+		return t.str
+	}
+	panic(fmt.Sprintf("Token is not a String: %v", t.RawString()))
+}
+
+// Float returns the floating-point number if token kind is Number.
+//
+// The floating-point precision is specified by the bitSize parameter: 32 for
+// float32 or 64 for float64. If bitSize=32, the result still has type float64,
+// but it will be convertible to float32 without changing its value. It will
+// return false if the number exceeds the floating point limits for given
+// bitSize.
+func (t Token) Float(bitSize int) (float64, bool) {
+	if t.kind != Number {
+		return 0, false
+	}
+	f, err := strconv.ParseFloat(t.RawString(), bitSize)
+	if err != nil {
+		return 0, false
+	}
+	return f, true
+}
+
+// Int returns the signed integer number if token is Number.
+//
+// The given bitSize specifies the integer type that the result must fit into.
+// It returns false if the number is not an integer value or if the result
+// exceeds the limits for given bitSize.
+func (t Token) Int(bitSize int) (int64, bool) {
+	s, ok := t.getIntStr()
+	if !ok {
+		return 0, false
+	}
+	n, err := strconv.ParseInt(s, 10, bitSize)
+	if err != nil {
+		return 0, false
+	}
+	return n, true
+}
+
+// Uint returns the signed integer number if token is Number.
+//
+// The given bitSize specifies the unsigned integer type that the result must
+// fit into. It returns false if the number is not an unsigned integer value
+// or if the result exceeds the limits for given bitSize.
+func (t Token) Uint(bitSize int) (uint64, bool) {
+	s, ok := t.getIntStr()
+	if !ok {
+		return 0, false
+	}
+	n, err := strconv.ParseUint(s, 10, bitSize)
+	if err != nil {
+		return 0, false
+	}
+	return n, true
+}
+
+func (t Token) getIntStr() (string, bool) {
+	if t.kind != Number {
+		return "", false
+	}
+	parts, ok := parseNumberParts(t.raw)
+	if !ok {
+		return "", false
+	}
+	return normalizeToIntString(parts)
+}
+
+// TokenEquals returns true if given Tokens are equal, else false.
+func TokenEquals(x, y Token) bool {
+	return x.kind == y.kind &&
+		x.pos == y.pos &&
+		bytes.Equal(x.raw, y.raw) &&
+		x.boo == y.boo &&
+		x.str == y.str
+}

vendor/google.golang.org/protobuf/internal/encoding/json/encode.go

@@ -0,0 +1,276 @@
+// Copyright 2018 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 json
+
+import (
+	"math"
+	"math/bits"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+
+	"google.golang.org/protobuf/internal/detrand"
+	"google.golang.org/protobuf/internal/errors"
+)
+
+// kind represents an encoding type.
+type kind uint8
+
+const (
+	_ kind = (1 << iota) / 2
+	name
+	scalar
+	objectOpen
+	objectClose
+	arrayOpen
+	arrayClose
+)
+
+// Encoder provides methods to write out JSON constructs and values. The user is
+// responsible for producing valid sequences of JSON constructs and values.
+type Encoder struct {
+	indent   string
+	lastKind kind
+	indents  []byte
+	out      []byte
+}
+
+// NewEncoder returns an Encoder.
+//
+// If indent is a non-empty string, it causes every entry for an Array or Object
+// to be preceded by the indent and trailed by a newline.
+func NewEncoder(indent string) (*Encoder, error) {
+	e := &Encoder{}
+	if len(indent) > 0 {
+		if strings.Trim(indent, " \t") != "" {
+			return nil, errors.New("indent may only be composed of space or tab characters")
+		}
+		e.indent = indent
+	}
+	return e, nil
+}
+
+// Bytes returns the content of the written bytes.
+func (e *Encoder) Bytes() []byte {
+	return e.out
+}
+
+// WriteNull writes out the null value.
+func (e *Encoder) WriteNull() {
+	e.prepareNext(scalar)
+	e.out = append(e.out, "null"...)
+}
+
+// WriteBool writes out the given boolean value.
+func (e *Encoder) WriteBool(b bool) {
+	e.prepareNext(scalar)
+	if b {
+		e.out = append(e.out, "true"...)
+	} else {
+		e.out = append(e.out, "false"...)
+	}
+}
+
+// WriteString writes out the given string in JSON string value. Returns error
+// if input string contains invalid UTF-8.
+func (e *Encoder) WriteString(s string) error {
+	e.prepareNext(scalar)
+	var err error
+	if e.out, err = appendString(e.out, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Sentinel error used for indicating invalid UTF-8.
+var errInvalidUTF8 = errors.New("invalid UTF-8")
+
+func appendString(out []byte, in string) ([]byte, error) {
+	out = append(out, '"')
+	i := indexNeedEscapeInString(in)
+	in, out = in[i:], append(out, in[:i]...)
+	for len(in) > 0 {
+		switch r, n := utf8.DecodeRuneInString(in); {
+		case r == utf8.RuneError && n == 1:
+			return out, errInvalidUTF8
+		case r < ' ' || r == '"' || r == '\\':
+			out = append(out, '\\')
+			switch r {
+			case '"', '\\':
+				out = append(out, byte(r))
+			case '\b':
+				out = append(out, 'b')
+			case '\f':
+				out = append(out, 'f')
+			case '\n':
+				out = append(out, 'n')
+			case '\r':
+				out = append(out, 'r')
+			case '\t':
+				out = append(out, 't')
+			default:
+				out = append(out, 'u')
+				out = append(out, "0000"[1+(bits.Len32(uint32(r))-1)/4:]...)
+				out = strconv.AppendUint(out, uint64(r), 16)
+			}
+			in = in[n:]
+		default:
+			i := indexNeedEscapeInString(in[n:])
+			in, out = in[n+i:], append(out, in[:n+i]...)
+		}
+	}
+	out = append(out, '"')
+	return out, nil
+}
+
+// indexNeedEscapeInString returns the index of the character that needs
+// escaping. If no characters need escaping, this returns the input length.
+func indexNeedEscapeInString(s string) int {
+	for i, r := range s {
+		if r < ' ' || r == '\\' || r == '"' || r == utf8.RuneError {
+			return i
+		}
+	}
+	return len(s)
+}
+
+// WriteFloat writes out the given float and bitSize in JSON number value.
+func (e *Encoder) WriteFloat(n float64, bitSize int) {
+	e.prepareNext(scalar)
+	e.out = appendFloat(e.out, n, bitSize)
+}
+
+// appendFloat formats given float in bitSize, and appends to the given []byte.
+func appendFloat(out []byte, n float64, bitSize int) []byte {
+	switch {
+	case math.IsNaN(n):
+		return append(out, `"NaN"`...)
+	case math.IsInf(n, +1):
+		return append(out, `"Infinity"`...)
+	case math.IsInf(n, -1):
+		return append(out, `"-Infinity"`...)
+	}
+
+	// JSON number formatting logic based on encoding/json.
+	// See floatEncoder.encode for reference.
+	fmt := byte('f')
+	if abs := math.Abs(n); abs != 0 {
+		if bitSize == 64 && (abs < 1e-6 || abs >= 1e21) ||
+			bitSize == 32 && (float32(abs) < 1e-6 || float32(abs) >= 1e21) {
+			fmt = 'e'
+		}
+	}
+	out = strconv.AppendFloat(out, n, fmt, -1, bitSize)
+	if fmt == 'e' {
+		n := len(out)
+		if n >= 4 && out[n-4] == 'e' && out[n-3] == '-' && out[n-2] == '0' {
+			out[n-2] = out[n-1]
+			out = out[:n-1]
+		}
+	}
+	return out
+}
+
+// WriteInt writes out the given signed integer in JSON number value.
+func (e *Encoder) WriteInt(n int64) {
+	e.prepareNext(scalar)
+	e.out = append(e.out, strconv.FormatInt(n, 10)...)
+}
+
+// WriteUint writes out the given unsigned integer in JSON number value.
+func (e *Encoder) WriteUint(n uint64) {
+	e.prepareNext(scalar)
+	e.out = append(e.out, strconv.FormatUint(n, 10)...)
+}
+
+// StartObject writes out the '{' symbol.
+func (e *Encoder) StartObject() {
+	e.prepareNext(objectOpen)
+	e.out = append(e.out, '{')
+}
+
+// EndObject writes out the '}' symbol.
+func (e *Encoder) EndObject() {
+	e.prepareNext(objectClose)
+	e.out = append(e.out, '}')
+}
+
+// WriteName writes out the given string in JSON string value and the name
+// separator ':'. Returns error if input string contains invalid UTF-8, which
+// should not be likely as protobuf field names should be valid.
+func (e *Encoder) WriteName(s string) error {
+	e.prepareNext(name)
+	var err error
+	// Append to output regardless of error.
+	e.out, err = appendString(e.out, s)
+	e.out = append(e.out, ':')
+	return err
+}
+
+// StartArray writes out the '[' symbol.
+func (e *Encoder) StartArray() {
+	e.prepareNext(arrayOpen)
+	e.out = append(e.out, '[')
+}
+
+// EndArray writes out the ']' symbol.
+func (e *Encoder) EndArray() {
+	e.prepareNext(arrayClose)
+	e.out = append(e.out, ']')
+}
+
+// prepareNext adds possible comma and indentation for the next value based
+// on last type and indent option. It also updates lastKind to next.
+func (e *Encoder) prepareNext(next kind) {
+	defer func() {
+		// Set lastKind to next.
+		e.lastKind = next
+	}()
+
+	if len(e.indent) == 0 {
+		// Need to add comma on the following condition.
+		if e.lastKind&(scalar|objectClose|arrayClose) != 0 &&
+			next&(name|scalar|objectOpen|arrayOpen) != 0 {
+			e.out = append(e.out, ',')
+			// For single-line output, add a random extra space after each
+			// comma to make output unstable.
+			if detrand.Bool() {
+				e.out = append(e.out, ' ')
+			}
+		}
+		return
+	}
+
+	switch {
+	case e.lastKind&(objectOpen|arrayOpen) != 0:
+		// If next type is NOT closing, add indent and newline.
+		if next&(objectClose|arrayClose) == 0 {
+			e.indents = append(e.indents, e.indent...)
+			e.out = append(e.out, '\n')
+			e.out = append(e.out, e.indents...)
+		}
+
+	case e.lastKind&(scalar|objectClose|arrayClose) != 0:
+		switch {
+		// If next type is either a value or name, add comma and newline.
+		case next&(name|scalar|objectOpen|arrayOpen) != 0:
+			e.out = append(e.out, ',', '\n')
+
+		// If next type is a closing object or array, adjust indentation.
+		case next&(objectClose|arrayClose) != 0:
+			e.indents = e.indents[:len(e.indents)-len(e.indent)]
+			e.out = append(e.out, '\n')
+		}
+		e.out = append(e.out, e.indents...)
+
+	case e.lastKind&name != 0:
+		e.out = append(e.out, ' ')
+		// For multi-line output, add a random extra space after key: to make
+		// output unstable.
+		if detrand.Bool() {
+			e.out = append(e.out, ' ')
+		}
+	}
+}

vendor/google.golang.org/protobuf/internal/encoding/messageset/messageset.go

@@ -10,7 +10,7 @@ import (
 
 	"google.golang.org/protobuf/encoding/protowire"
 	"google.golang.org/protobuf/internal/errors"
-	pref "google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
 // The MessageSet wire format is equivalent to a message defined as follows,
@@ -33,6 +33,7 @@ const (
 // ExtensionName is the field name for extensions of MessageSet.
 //
 // A valid MessageSet extension must be of the form:
+//
 //	message MyMessage {
 //		extend proto2.bridge.MessageSet {
 //			optional MyMessage message_set_extension = 1234;
@@ -42,13 +43,13 @@ const (
 const ExtensionName = "message_set_extension"
 
 // IsMessageSet returns whether the message uses the MessageSet wire format.
-func IsMessageSet(md pref.MessageDescriptor) bool {
+func IsMessageSet(md protoreflect.MessageDescriptor) bool {
 	xmd, ok := md.(interface{ IsMessageSet() bool })
 	return ok && xmd.IsMessageSet()
 }
 
 // IsMessageSetExtension reports this field properly extends a MessageSet.
-func IsMessageSetExtension(fd pref.FieldDescriptor) bool {
+func IsMessageSetExtension(fd protoreflect.FieldDescriptor) bool {
 	switch {
 	case fd.Name() != ExtensionName:
 		return false

vendor/google.golang.org/protobuf/internal/encoding/tag/tag.go

@@ -11,10 +11,10 @@ import (
 	"strconv"
 	"strings"
 
-	defval "google.golang.org/protobuf/internal/encoding/defval"
-	fdesc "google.golang.org/protobuf/internal/filedesc"
+	"google.golang.org/protobuf/internal/encoding/defval"
+	"google.golang.org/protobuf/internal/filedesc"
 	"google.golang.org/protobuf/internal/strs"
-	pref "google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoreflect"
 )
 
 var byteType = reflect.TypeOf(byte(0))
@@ -29,9 +29,9 @@ var byteType = reflect.TypeOf(byte(0))
 // This does not populate the Enum or Message (except for weak message).
 //
 // This function is a best effort attempt; parsing errors are ignored.
-func Unmarshal(tag string, goType reflect.Type, evs pref.EnumValueDescriptors) pref.FieldDescriptor {
-	f := new(fdesc.Field)
-	f.L0.ParentFile = fdesc.SurrogateProto2
+func Unmarshal(tag string, goType reflect.Type, evs protoreflect.EnumValueDescriptors) protoreflect.FieldDescriptor {
+	f := new(filedesc.Field)
+	f.L0.ParentFile = filedesc.SurrogateProto2
 	for len(tag) > 0 {
 		i := strings.IndexByte(tag, ',')
 		if i < 0 {
@@ -39,68 +39,68 @@ func Unmarshal(tag string, goType reflect.Type, evs pref.EnumValueDescriptors) p
 		}
 		switch s := tag[:i]; {
 		case strings.HasPrefix(s, "name="):
-			f.L0.FullName = pref.FullName(s[len("name="):])
+			f.L0.FullName = protoreflect.FullName(s[len("name="):])
 		case strings.Trim(s, "0123456789") == "":
 			n, _ := strconv.ParseUint(s, 10, 32)
-			f.L1.Number = pref.FieldNumber(n)
+			f.L1.Number = protoreflect.FieldNumber(n)
 		case s == "opt":
-			f.L1.Cardinality = pref.Optional
+			f.L1.Cardinality = protoreflect.Optional
 		case s == "req":
-			f.L1.Cardinality = pref.Required
+			f.L1.Cardinality = protoreflect.Required
 		case s == "rep":
-			f.L1.Cardinality = pref.Repeated
+			f.L1.Cardinality = protoreflect.Repeated
 		case s == "varint":
 			switch goType.Kind() {
 			case reflect.Bool:
-				f.L1.Kind = pref.BoolKind
+				f.L1.Kind = protoreflect.BoolKind
 			case reflect.Int32:
-				f.L1.Kind = pref.Int32Kind
+				f.L1.Kind = protoreflect.Int32Kind
 			case reflect.Int64:
-				f.L1.Kind = pref.Int64Kind
+				f.L1.Kind = protoreflect.Int64Kind
 			case reflect.Uint32:
-				f.L1.Kind = pref.Uint32Kind
+				f.L1.Kind = protoreflect.Uint32Kind
 			case reflect.Uint64:
-				f.L1.Kind = pref.Uint64Kind
+				f.L1.Kind = protoreflect.Uint64Kind
 			}
 		case s == "zigzag32":
 			if goType.Kind() == reflect.Int32 {
-				f.L1.Kind = pref.Sint32Kind
+				f.L1.Kind = protoreflect.Sint32Kind
 			}
 		case s == "zigzag64":
 			if goType.Kind() == reflect.Int64 {
-				f.L1.Kind = pref.Sint64Kind
+				f.L1.Kind = protoreflect.Sint64Kind
 			}
 		case s == "fixed32":
 			switch goType.Kind() {
 			case reflect.Int32:
-				f.L1.Kind = pref.Sfixed32Kind
+				f.L1.Kind = protoreflect.Sfixed32Kind
 			case reflect.Uint32:
-				f.L1.Kind = pref.Fixed32Kind
+				f.L1.Kind = protoreflect.Fixed32Kind
 			case reflect.Float32:
-				f.L1.Kind = pref.FloatKind
+				f.L1.Kind = protoreflect.FloatKind
 			}
 		case s == "fixed64":
 			switch goType.Kind() {
 			case reflect.Int64:
-				f.L1.Kind = pref.Sfixed64Kind
+				f.L1.Kind = protoreflect.Sfixed64Kind
 			case reflect.Uint64:
-				f.L1.Kind = pref.Fixed64Kind
+				f.L1.Kind = protoreflect.Fixed64Kind
 			case reflect.Float64:
-				f.L1.Kind = pref.DoubleKind
+				f.L1.Kind = protoreflect.DoubleKind
 			}
 		case s == "bytes":
 			switch {
 			case goType.Kind() == reflect.String:
-				f.L1.Kind = pref.StringKind
+				f.L1.Kind = protoreflect.StringKind
 			case goType.Kind() == reflect.Slice && goType.Elem() == byteType:
-				f.L1.Kind = pref.BytesKind
+				f.L1.Kind = protoreflect.BytesKind
 			default:
-				f.L1.Kind = pref.MessageKind
+				f.L1.Kind = protoreflect.MessageKind
 			}
 		case s == "group":
-			f.L1.Kind = pref.GroupKind
+			f.L1.Kind = protoreflect.GroupKind
 		case strings.HasPrefix(s, "enum="):
-			f.L1.Kind = pref.EnumKind
+			f.L1.Kind = protoreflect.EnumKind
 		case strings.HasPrefix(s, "json="):
 			jsonName := s[len("json="):]
 			if jsonName != strs.JSONCamelCase(string(f.L0.FullName.Name())) {
@@ -111,23 +111,23 @@ func Unmarshal(tag string, goType reflect.Type, evs pref.EnumValueDescriptors) p
 			f.L1.IsPacked = true
 		case strings.HasPrefix(s, "weak="):
 			f.L1.IsWeak = true
-			f.L1.Message = fdesc.PlaceholderMessage(pref.FullName(s[len("weak="):]))
+			f.L1.Message = filedesc.PlaceholderMessage(protoreflect.FullName(s[len("weak="):]))
 		case strings.HasPrefix(s, "def="):
 			// The default tag is special in that everything afterwards is the
 			// default regardless of the presence of commas.
 			s, i = tag[len("def="):], len(tag)
 			v, ev, _ := defval.Unmarshal(s, f.L1.Kind, evs, defval.GoTag)
-			f.L1.Default = fdesc.DefaultValue(v, ev)
+			f.L1.Default = filedesc.DefaultValue(v, ev)
 		case s == "proto3":
-			f.L0.ParentFile = fdesc.SurrogateProto3
+			f.L0.ParentFile = filedesc.SurrogateProto3
 		}
 		tag = strings.TrimPrefix(tag[i:], ",")
 	}
 
 	// The generator uses the group message name instead of the field name.
 	// We obtain the real field name by lowercasing the group name.
-	if f.L1.Kind == pref.GroupKind {
-		f.L0.FullName = pref.FullName(strings.ToLower(string(f.L0.FullName)))
+	if f.L1.Kind == protoreflect.GroupKind {
+		f.L0.FullName = protoreflect.FullName(strings.ToLower(string(f.L0.FullName)))
 	}
 	return f
 }
@@ -140,38 +140,38 @@ func Unmarshal(tag string, goType reflect.Type, evs pref.EnumValueDescriptors) p
 // Depending on the context on how Marshal is called, there are different ways
 // through which that information is determined. As such it is the caller's
 // responsibility to provide a function to obtain that information.
-func Marshal(fd pref.FieldDescriptor, enumName string) string {
+func Marshal(fd protoreflect.FieldDescriptor, enumName string) string {
 	var tag []string
 	switch fd.Kind() {
-	case pref.BoolKind, pref.EnumKind, pref.Int32Kind, pref.Uint32Kind, pref.Int64Kind, pref.Uint64Kind:
+	case protoreflect.BoolKind, protoreflect.EnumKind, protoreflect.Int32Kind, protoreflect.Uint32Kind, protoreflect.Int64Kind, protoreflect.Uint64Kind:
 		tag = append(tag, "varint")
-	case pref.Sint32Kind:
+	case protoreflect.Sint32Kind:
 		tag = append(tag, "zigzag32")
-	case pref.Sint64Kind:
+	case protoreflect.Sint64Kind:
 		tag = append(tag, "zigzag64")
-	case pref.Sfixed32Kind, pref.Fixed32Kind, pref.FloatKind:
+	case protoreflect.Sfixed32Kind, protoreflect.Fixed32Kind, protoreflect.FloatKind:
 		tag = append(tag, "fixed32")
-	case pref.Sfixed64Kind, pref.Fixed64Kind, pref.DoubleKind:
+	case protoreflect.Sfixed64Kind, protoreflect.Fixed64Kind, protoreflect.DoubleKind:
 		tag = append(tag, "fixed64")
-	case pref.StringKind, pref.BytesKind, pref.MessageKind:
+	case protoreflect.StringKind, protoreflect.BytesKind, protoreflect.MessageKind:
 		tag = append(tag, "bytes")
-	case pref.GroupKind:
+	case protoreflect.GroupKind:
 		tag = append(tag, "group")
 	}
 	tag = append(tag, strconv.Itoa(int(fd.Number())))
 	switch fd.Cardinality() {
-	case pref.Optional:
+	case protoreflect.Optional:
 		tag = append(tag, "opt")
-	case pref.Required:
+	case protoreflect.Required:
 		tag = append(tag, "req")
-	case pref.Repeated:
+	case protoreflect.Repeated:
 		tag = append(tag, "rep")
 	}
 	if fd.IsPacked() {
 		tag = append(tag, "packed")
 	}
 	name := string(fd.Name())
-	if fd.Kind() == pref.GroupKind {
+	if fd.Kind() == protoreflect.GroupKind {
 		// The name of the FieldDescriptor for a group field is
 		// lowercased. To find the original capitalization, we
 		// look in the field's MessageType.
@@ -189,10 +189,10 @@ func Marshal(fd pref.FieldDescriptor, enumName string) string {
 	// The previous implementation does not tag extension fields as proto3,
 	// even when the field is defined in a proto3 file. Match that behavior
 	// for consistency.
-	if fd.Syntax() == pref.Proto3 && !fd.IsExtension() {
+	if fd.Syntax() == protoreflect.Proto3 && !fd.IsExtension() {
 		tag = append(tag, "proto3")
 	}
-	if fd.Kind() == pref.EnumKind && enumName != "" {
+	if fd.Kind() == protoreflect.EnumKind && enumName != "" {
 		tag = append(tag, "enum="+enumName)
 	}
 	if fd.ContainingOneof() != nil {

vendor/google.golang.org/protobuf/internal/encoding/text/decode.go

@@ -8,7 +8,6 @@ import (
 	"bytes"
 	"fmt"
 	"io"
-	"regexp"
 	"strconv"
 	"unicode/utf8"
 
@@ -381,7 +380,7 @@ func (d *Decoder) currentOpenKind() (Kind, byte) {
 	case '[':
 		return ListOpen, ']'
 	}
-	panic(fmt.Sprintf("Decoder: openStack contains invalid byte %s", string(openCh)))
+	panic(fmt.Sprintf("Decoder: openStack contains invalid byte %c", openCh))
 }
 
 func (d *Decoder) pushOpenStack(ch byte) {
@@ -413,15 +412,16 @@ func (d *Decoder) parseFieldName() (tok Token, err error) {
 	// Field number. Identify if input is a valid number that is not negative
 	// and is decimal integer within 32-bit range.
 	if num := parseNumber(d.in); num.size > 0 {
+		str := num.string(d.in)
 		if !num.neg && num.kind == numDec {
-			if _, err := strconv.ParseInt(string(d.in[:num.size]), 10, 32); err == nil {
+			if _, err := strconv.ParseInt(str, 10, 32); err == nil {
 				return d.consumeToken(Name, num.size, uint8(FieldNumber)), nil
 			}
 		}
-		return Token{}, d.newSyntaxError("invalid field number: %s", d.in[:num.size])
+		return Token{}, d.newSyntaxError("invalid field number: %s", str)
 	}
 
-	return Token{}, d.newSyntaxError("invalid field name: %s", errRegexp.Find(d.in))
+	return Token{}, d.newSyntaxError("invalid field name: %s", errId(d.in))
 }
 
 // parseTypeName parses Any type URL or extension field name. The name is
@@ -571,7 +571,7 @@ func (d *Decoder) parseScalar() (Token, error) {
 		return tok, nil
 	}
 
-	return Token{}, d.newSyntaxError("invalid scalar value: %s", errRegexp.Find(d.in))
+	return Token{}, d.newSyntaxError("invalid scalar value: %s", errId(d.in))
 }
 
 // parseLiteralValue parses a literal value. A literal value is used for
@@ -653,8 +653,29 @@ func consume(b []byte, n int) []byte {
 	return b
 }
 
-// Any sequence that looks like a non-delimiter (for error reporting).
-var errRegexp = regexp.MustCompile(`^([-+._a-zA-Z0-9\/]+|.)`)
+// errId extracts a byte sequence that looks like an invalid ID
+// (for the purposes of error reporting).
+func errId(seq []byte) []byte {
+	const maxLen = 32
+	for i := 0; i < len(seq); {
+		if i > maxLen {
+			return append(seq[:i:i], "…"...)
+		}
+		r, size := utf8.DecodeRune(seq[i:])
+		if r > utf8.RuneSelf || (r != '/' && isDelim(byte(r))) {
+			if i == 0 {
+				// Either the first byte is invalid UTF-8 or a
+				// delimiter, or the first rune is non-ASCII.
+				// Return it as-is.
+				i = size
+			}
+			return seq[:i:i]
+		}
+		i += size
+	}
+	// No delimiter found.
+	return seq
+}
 
 // isDelim returns true if given byte is a delimiter character.
 func isDelim(c byte) bool {

vendor/google.golang.org/protobuf/internal/encoding/text/decode_number.go

@@ -15,17 +15,12 @@ func (d *Decoder) parseNumberValue() (Token, bool) {
 	if num.neg {
 		numAttrs |= isNegative
 	}
-	strSize := num.size
-	last := num.size - 1
-	if num.kind == numFloat && (d.in[last] == 'f' || d.in[last] == 'F') {
-		strSize = last
-	}
 	tok := Token{
 		kind:     Scalar,
 		attrs:    numberValue,
 		pos:      len(d.orig) - len(d.in),
 		raw:      d.in[:num.size],
-		str:      string(d.in[:strSize]),
+		str:      num.string(d.in),
 		numAttrs: numAttrs,
 	}
 	d.consume(num.size)
@@ -46,12 +41,35 @@ type number struct {
 	kind uint8
 	neg  bool
 	size int
+	// if neg, this is the length of whitespace and comments between
+	// the minus sign and the rest fo the number literal
+	sep int
+}
+
+func (num number) string(data []byte) string {
+	strSize := num.size
+	last := num.size - 1
+	if num.kind == numFloat && (data[last] == 'f' || data[last] == 'F') {
+		strSize = last
+	}
+	if num.neg && num.sep > 0 {
+		// strip whitespace/comments between negative sign and the rest
+		strLen := strSize - num.sep
+		str := make([]byte, strLen)
+		str[0] = data[0]
+		copy(str[1:], data[num.sep+1:strSize])
+		return string(str)
+	}
+	return string(data[:strSize])
+
 }
 
 // parseNumber constructs a number object from given input. It allows for the
 // following patterns:
-//   integer: ^-?([1-9][0-9]*|0[xX][0-9a-fA-F]+|0[0-7]*)
-//   float: ^-?((0|[1-9][0-9]*)?([.][0-9]*)?([eE][+-]?[0-9]+)?[fF]?)
+//
+//	integer: ^-?([1-9][0-9]*|0[xX][0-9a-fA-F]+|0[0-7]*)
+//	float: ^-?((0|[1-9][0-9]*)?([.][0-9]*)?([eE][+-]?[0-9]+)?[fF]?)
+//
 // It also returns the number of parsed bytes for the given number, 0 if it is
 // not a number.
 func parseNumber(input []byte) number {
@@ -65,19 +83,22 @@ func parseNumber(input []byte) number {
 	}
 
 	// Optional -
+	var sep int
 	if s[0] == '-' {
 		neg = true
 		s = s[1:]
 		size++
+		// Consume any whitespace or comments between the
+		// negative sign and the rest of the number
+		lenBefore := len(s)
+		s = consume(s, 0)
+		sep = lenBefore - len(s)
+		size += sep
 		if len(s) == 0 {
 			return number{}
 		}
 	}
 
-	// C++ allows for whitespace and comments in between the negative sign and
-	// the rest of the number. This logic currently does not but is consistent
-	// with v1.
-
 	switch {
 	case s[0] == '0':
 		if len(s) > 1 {
@@ -114,7 +135,7 @@ func parseNumber(input []byte) number {
 				if len(s) > 0 && !isDelim(s[0]) {
 					return number{}
 				}
-				return number{kind: kind, neg: neg, size: size}
+				return number{kind: kind, neg: neg, size: size, sep: sep}
 			}
 		}
 		s = s[1:]
@@ -186,5 +207,5 @@ func parseNumber(input []byte) number {
 		return number{}
 	}
 
-	return number{kind: kind, neg: neg, size: size}
+	return number{kind: kind, neg: neg, size: size, sep: sep}
 }

vendor/google.golang.org/protobuf/internal/encoding/text/doc.go

@@ -24,6 +24,6 @@
 // the Go implementation should as well.
 //
 // The text format is almost a superset of JSON except:
-//	* message keys are not quoted strings, but identifiers
-//	* the top-level value must be a message without the delimiters
+//   - message keys are not quoted strings, but identifiers
+//   - the top-level value must be a message without the delimiters
 package text

vendor/google.golang.org/protobuf/internal/encoding/text/encode.go

@@ -263,3 +263,8 @@ func (e *Encoder) Snapshot() encoderState {
 func (e *Encoder) Reset(es encoderState) {
 	e.encoderState = es
 }
+
+// AppendString appends the escaped form of the input string to b.
+func AppendString(b []byte, s string) []byte {
+	return appendString(b, s, false)
+}