Vendor Update Go Libs (#13166)

* update github.com/alecthomas/chroma v0.8.0 -> v0.8.1

* github.com/blevesearch/bleve v1.0.10 -> v1.0.12

* editorconfig-core-go v2.1.1 -> v2.3.7

* github.com/gliderlabs/ssh v0.2.2 -> v0.3.1

* migrate editorconfig.ParseBytes to Parse

* github.com/shurcooL/vfsgen to 0d455de96546

* github.com/go-git/go-git/v5 v5.1.0 -> v5.2.0

* github.com/google/uuid v1.1.1 -> v1.1.2

* github.com/huandu/xstrings v1.3.0 -> v1.3.2

* github.com/klauspost/compress v1.10.11 -> v1.11.1

* github.com/markbates/goth v1.61.2 -> v1.65.0

* github.com/mattn/go-sqlite3 v1.14.0 -> v1.14.4

* github.com/mholt/archiver v3.3.0 -> v3.3.2

* github.com/microcosm-cc/bluemonday 4f7140c49acb -> v1.0.4

* github.com/minio/minio-go v7.0.4 -> v7.0.5

* github.com/olivere/elastic v7.0.9 -> v7.0.20

* github.com/urfave/cli v1.20.0 -> v1.22.4

* github.com/prometheus/client_golang v1.1.0 -> v1.8.0

* github.com/xanzy/go-gitlab v0.37.0 -> v0.38.1

* mvdan.cc/xurls v2.1.0 -> v2.2.0

Co-authored-by: Lauris BH <lauris@nix.lv>

9 files changed, 296 insertions, 147 deletions

diff --git a/vendor/github.com/mailru/easyjson/Makefile b/vendor/github.com/mailru/easyjson/Makefile
index 80449f0d27..c5273407b8 100644
--- a/vendor/github.com/mailru/easyjson/Makefile
+++ b/vendor/github.com/mailru/easyjson/Makefile
@@ -20,22 +20,38 @@ generate: build
 		./tests/reference_to_pointer.go \
 		./tests/html.go \
 		./tests/unknown_fields.go \
-
-	bin/easyjson -all ./tests/data.go
-	bin/easyjson -all ./tests/nothing.go
-	bin/easyjson -all ./tests/errors.go
-	bin/easyjson -all ./tests/html.go
+		./tests/type_declaration.go \
+		./tests/type_declaration_skip.go \
+		./tests/members_escaped.go \
+		./tests/members_unescaped.go \
+		./tests/intern.go \
+		./tests/nocopy.go \
+		./tests/escaping.go
+	bin/easyjson -all \
+		./tests/data.go \
+ 		./tests/nothing.go \
+ 		./tests/errors.go \
+ 		./tests/html.go \
+ 		./tests/type_declaration_skip.go
+	bin/easyjson \
+		./tests/nested_easy.go \
+		./tests/named_type.go \
+		./tests/custom_map_key_type.go \
+		./tests/embedded_type.go \
+		./tests/reference_to_pointer.go \
+		./tests/key_marshaler_map.go \
+		./tests/unknown_fields.go \
+		./tests/type_declaration.go \
+		./tests/members_escaped.go \
+		./tests/intern.go \
+		./tests/nocopy.go \
+		./tests/escaping.go \
+		./tests/nested_marshaler.go
 	bin/easyjson -snake_case ./tests/snake.go
 	bin/easyjson -omit_empty ./tests/omitempty.go
-	bin/easyjson -build_tags=use_easyjson ./benchmark/data.go
-	bin/easyjson ./tests/nested_easy.go
-	bin/easyjson ./tests/named_type.go
-	bin/easyjson ./tests/custom_map_key_type.go
-	bin/easyjson ./tests/embedded_type.go
-	bin/easyjson ./tests/reference_to_pointer.go
-	bin/easyjson ./tests/key_marshaler_map.go
+	bin/easyjson -build_tags=use_easyjson -disable_members_unescape ./benchmark/data.go
 	bin/easyjson -disallow_unknown_fields ./tests/disallow_unknown.go
-	bin/easyjson ./tests/unknown_fields.go
+	bin/easyjson -disable_members_unescape ./tests/members_unescaped.go
 
 test: generate
 	go test \
diff --git a/vendor/github.com/mailru/easyjson/README.md b/vendor/github.com/mailru/easyjson/README.md
index 3bdcf2d06c..952575b9de 100644
--- a/vendor/github.com/mailru/easyjson/README.md
+++ b/vendor/github.com/mailru/easyjson/README.md
@@ -34,7 +34,11 @@ Usage of easyjson:
   -all
     	generate marshaler/unmarshalers for all structs in a file
   -build_tags string
-    	build tags to add to generated file
+        build tags to add to generated file
+  -gen_build_flags string
+        build flags when running the generator while bootstrapping
+  -byte
+        use simple bytes instead of Base64Bytes for slice of bytes
   -leave_temps
     	do not delete temporary files
   -no_std_marshalers
@@ -55,10 +59,20 @@ Usage of easyjson:
     	only generate stubs for marshaler/unmarshaler funcs
   -disallow_unknown_fields
         return error if some unknown field in json appeared
+  -disable_members_unescape
+        disable unescaping of \uXXXX string sequences in member names
 ```
 
 Using `-all` will generate marshalers/unmarshalers for all Go structs in the
-file. If `-all` is not provided, then only those structs whose preceding
+file excluding those structs whose preceding comment starts with `easyjson:skip`.
+For example: 
+
+```go
+//easyjson:skip
+type A struct {}
+```
+
+If `-all` is not provided, then only those structs whose preceding
 comment starts with `easyjson:json` will have marshalers/unmarshalers
 generated. For example:
 
@@ -76,10 +90,26 @@ Additional option notes:
 
 * `-build_tags` will add the specified build tags to generated Go sources.
 
+* `-gen_build_flags` will execute the easyjson bootstapping code to launch the 
+  actual generator command with provided flags. Multiple arguments should be
+  separated by space e.g. `-gen_build_flags="-mod=mod -x"`.
+
+## Structure json tag options
+
+Besides standart json tag options like 'omitempty' the following are supported:
+
+* 'nocopy' - disables allocation and copying of string values, making them
+  refer to original json buffer memory. This works great for short lived
+  objects which are not hold in memory after decoding and immediate usage.
+  Note if string requires unescaping it will be processed as normally.
+* 'intern' - string "interning" (deduplication) to save memory when the very
+  same string dictionary values are often met all over the structure.
+  See below for more details.
+
 ## Generated Marshaler/Unmarshaler Funcs
 
 For Go struct types, easyjson generates the funcs `MarshalEasyJSON` /
-`UnmarshalEasyJSON` for marshaling/unmarshaling JSON. In turn, these satisify
+`UnmarshalEasyJSON` for marshaling/unmarshaling JSON. In turn, these satisfy
 the `easyjson.Marshaler` and `easyjson.Unmarshaler` interfaces and when used in
 conjunction with `easyjson.Marshal` / `easyjson.Unmarshal` avoid unnecessary
 reflection / type assertions during marshaling/unmarshaling to/from JSON for Go
@@ -102,17 +132,17 @@ utility funcs that are available.
 ## Controlling easyjson Marshaling and Unmarshaling Behavior
 
 Go types can provide their own `MarshalEasyJSON` and `UnmarshalEasyJSON` funcs
-that satisify the `easyjson.Marshaler` / `easyjson.Unmarshaler` interfaces.
+that satisfy the `easyjson.Marshaler` / `easyjson.Unmarshaler` interfaces.
 These will be used by `easyjson.Marshal` and `easyjson.Unmarshal` when defined
 for a Go type.
 
-Go types can also satisify the `easyjson.Optional` interface, which allows the
+Go types can also satisfy the `easyjson.Optional` interface, which allows the
 type to define its own `omitempty` logic.
 
 ## Type Wrappers
 
 easyjson provides additional type wrappers defined in the `easyjson/opt`
-package. These wrap the standard Go primitives and in turn satisify the
+package. These wrap the standard Go primitives and in turn satisfy the
 easyjson interfaces.
 
 The `easyjson/opt` type wrappers are useful when needing to distinguish between
@@ -133,6 +163,27 @@ through a call to `buffer.Init()` prior to any marshaling or unmarshaling.
 Please see the [GoDoc listing](https://godoc.org/github.com/mailru/easyjson/buffer)
 for more information.
 
+## String interning
+
+During unmarshaling, `string` field values can be optionally
+[interned](https://en.wikipedia.org/wiki/String_interning) to reduce memory
+allocations and usage by deduplicating strings in memory, at the expense of slightly
+increased CPU usage.
+
+This will work effectively only for `string` fields being decoded that have frequently
+the same value (e.g. if you have a string field that can only assume a small number
+of possible values).
+
+To enable string interning, add the `intern` keyword tag to your `json` tag on `string`
+fields, e.g.:
+
+```go
+type Foo struct {
+  UUID  string `json:"uuid"`         // will not be interned during unmarshaling
+  State string `json:"state,intern"` // will be interned during unmarshaling
+}
+```
+
 ## Issues, Notes, and Limitations
 
 * easyjson is still early in its development. As such, there are likely to be
@@ -174,7 +225,7 @@ for more information.
   needs to be known prior to sending the data. Currently this is not possible
   with easyjson's architecture.
   
-* easyjson parser and codegen based on reflection, so it wont works on `package main` 
+* easyjson parser and codegen based on reflection, so it won't work on `package main` 
   files, because they cant be imported by parser.
 
 ## Benchmarks
@@ -239,7 +290,7 @@ since the memory is not freed between marshaling operations.
 ### easyjson vs 'ujson' python module
 
 [ujson](https://github.com/esnme/ultrajson) is using C code for parsing, so it
-is interesting to see how plain golang compares to that. It is imporant to note
+is interesting to see how plain golang compares to that. It is important to note
 that the resulting object for python is slower to access, since the library
 parses JSON object into dictionaries.
 
diff --git a/vendor/github.com/mailru/easyjson/buffer/pool.go b/vendor/github.com/mailru/easyjson/buffer/pool.go
index 07fb4bc1f7..598a54af9d 100644
--- a/vendor/github.com/mailru/easyjson/buffer/pool.go
+++ b/vendor/github.com/mailru/easyjson/buffer/pool.go
@@ -4,6 +4,7 @@ package buffer
 
 import (
 	"io"
+	"net"
 	"sync"
 )
 
@@ -52,14 +53,12 @@ func putBuf(buf []byte) {
 
 // getBuf gets a chunk from reuse pool or creates a new one if reuse failed.
 func getBuf(size int) []byte {
-	if size < config.PooledSize {
-		return make([]byte, 0, size)
-	}
-
-	if c := buffers[size]; c != nil {
-		v := c.Get()
-		if v != nil {
-			return v.([]byte)
+	if size >= config.PooledSize {
+		if c := buffers[size]; c != nil {
+			v := c.Get()
+			if v != nil {
+				return v.([]byte)
+			}
 		}
 	}
 	return make([]byte, 0, size)
@@ -78,9 +77,12 @@ type Buffer struct {
 // EnsureSpace makes sure that the current chunk contains at least s free bytes,
 // possibly creating a new chunk.
 func (b *Buffer) EnsureSpace(s int) {
-	if cap(b.Buf)-len(b.Buf) >= s {
-		return
+	if cap(b.Buf)-len(b.Buf) < s {
+		b.ensureSpaceSlow(s)
 	}
+}
+
+func (b *Buffer) ensureSpaceSlow(s int) {
 	l := len(b.Buf)
 	if l > 0 {
 		if cap(b.toPool) != cap(b.Buf) {
@@ -105,18 +107,22 @@ func (b *Buffer) EnsureSpace(s int) {
 
 // AppendByte appends a single byte to buffer.
 func (b *Buffer) AppendByte(data byte) {
-	if cap(b.Buf) == len(b.Buf) { // EnsureSpace won't be inlined.
-		b.EnsureSpace(1)
-	}
+	b.EnsureSpace(1)
 	b.Buf = append(b.Buf, data)
 }
 
 // AppendBytes appends a byte slice to buffer.
 func (b *Buffer) AppendBytes(data []byte) {
+	if len(data) <= cap(b.Buf)-len(b.Buf) {
+		b.Buf = append(b.Buf, data...) // fast path
+	} else {
+		b.appendBytesSlow(data)
+	}
+}
+
+func (b *Buffer) appendBytesSlow(data []byte) {
 	for len(data) > 0 {
-		if cap(b.Buf) == len(b.Buf) { // EnsureSpace won't be inlined.
-			b.EnsureSpace(1)
-		}
+		b.EnsureSpace(1)
 
 		sz := cap(b.Buf) - len(b.Buf)
 		if sz > len(data) {
@@ -128,12 +134,18 @@ func (b *Buffer) AppendBytes(data []byte) {
 	}
 }
 
-// AppendBytes appends a string to buffer.
+// AppendString appends a string to buffer.
 func (b *Buffer) AppendString(data string) {
+	if len(data) <= cap(b.Buf)-len(b.Buf) {
+		b.Buf = append(b.Buf, data...) // fast path
+	} else {
+		b.appendStringSlow(data)
+	}
+}
+
+func (b *Buffer) appendStringSlow(data string) {
 	for len(data) > 0 {
-		if cap(b.Buf) == len(b.Buf) { // EnsureSpace won't be inlined.
-			b.EnsureSpace(1)
-		}
+		b.EnsureSpace(1)
 
 		sz := cap(b.Buf) - len(b.Buf)
 		if sz > len(data) {
@@ -156,18 +168,14 @@ func (b *Buffer) Size() int {
 
 // DumpTo outputs the contents of a buffer to a writer and resets the buffer.
 func (b *Buffer) DumpTo(w io.Writer) (written int, err error) {
-	var n int
-	for _, buf := range b.bufs {
-		if err == nil {
-			n, err = w.Write(buf)
-			written += n
-		}
-		putBuf(buf)
+	bufs := net.Buffers(b.bufs)
+	if len(b.Buf) > 0 {
+		bufs = append(bufs, b.Buf)
 	}
+	n, err := bufs.WriteTo(w)
 
-	if err == nil {
-		n, err = w.Write(b.Buf)
-		written += n
+	for _, buf := range b.bufs {
+		putBuf(buf)
 	}
 	putBuf(b.toPool)
 
@@ -175,7 +183,7 @@ func (b *Buffer) DumpTo(w io.Writer) (written int, err error) {
 	b.Buf = nil
 	b.toPool = nil
 
-	return
+	return int(n), err
 }
 
 // BuildBytes creates a single byte slice with all the contents of the buffer. Data is
@@ -192,7 +200,7 @@ func (b *Buffer) BuildBytes(reuse ...[]byte) []byte {
 	var ret []byte
 	size := b.Size()
 
-	// If we got a buffer as argument and it is big enought, reuse it.
+	// If we got a buffer as argument and it is big enough, reuse it.
 	if len(reuse) == 1 && cap(reuse[0]) >= size {
 		ret = reuse[0][:0]
 	} else {
diff --git a/vendor/github.com/mailru/easyjson/go.mod b/vendor/github.com/mailru/easyjson/go.mod
index 7bc4a65844..f4945d347d 100644
--- a/vendor/github.com/mailru/easyjson/go.mod
+++ b/vendor/github.com/mailru/easyjson/go.mod
@@ -1,3 +1,5 @@
 module github.com/mailru/easyjson
 
 go 1.12
+
+require github.com/josharian/intern v1.0.0
diff --git a/vendor/github.com/mailru/easyjson/go.sum b/vendor/github.com/mailru/easyjson/go.sum
new file mode 100644
index 0000000000..cb47297b6b
--- /dev/null
+++ b/vendor/github.com/mailru/easyjson/go.sum
@@ -0,0 +1,2 @@
+github.com/josharian/intern v1.0.0 h1:vlS4z54oSdjm0bgjRigI+G1HpF+tI+9rE5LLzOg8HmY=
+github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFFd8Hwg//Y=
diff --git a/vendor/github.com/mailru/easyjson/helpers.go b/vendor/github.com/mailru/easyjson/helpers.go
index 04ac635628..78dacb1b7b 100644
--- a/vendor/github.com/mailru/easyjson/helpers.go
+++ b/vendor/github.com/mailru/easyjson/helpers.go
@@ -6,6 +6,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"strconv"
+	"unsafe"
 
 	"github.com/mailru/easyjson/jlexer"
 	"github.com/mailru/easyjson/jwriter"
@@ -21,6 +22,12 @@ type Unmarshaler interface {
 	UnmarshalEasyJSON(w *jlexer.Lexer)
 }
 
+// MarshalerUnmarshaler is an easyjson-compatible marshaler/unmarshaler interface.
+type MarshalerUnmarshaler interface {
+	Marshaler
+	Unmarshaler
+}
+
 // Optional defines an undefined-test method for a type to integrate with 'omitempty' logic.
 type Optional interface {
 	IsDefined() bool
@@ -36,9 +43,17 @@ type UnknownsMarshaler interface {
 	MarshalUnknowns(w *jwriter.Writer, first bool)
 }
 
+func isNilInterface(i interface{}) bool {
+	return (*[2]uintptr)(unsafe.Pointer(&i))[1] == 0
+}
+
 // Marshal returns data as a single byte slice. Method is suboptimal as the data is likely to be copied
 // from a chain of smaller chunks.
 func Marshal(v Marshaler) ([]byte, error) {
+	if isNilInterface(v) {
+		return nullBytes, nil
+	}
+
 	w := jwriter.Writer{}
 	v.MarshalEasyJSON(&w)
 	return w.BuildBytes()
@@ -46,6 +61,10 @@ func Marshal(v Marshaler) ([]byte, error) {
 
 // MarshalToWriter marshals the data to an io.Writer.
 func MarshalToWriter(v Marshaler, w io.Writer) (written int, err error) {
+	if isNilInterface(v) {
+		return w.Write(nullBytes)
+	}
+
 	jw := jwriter.Writer{}
 	v.MarshalEasyJSON(&jw)
 	return jw.DumpTo(w)
@@ -56,6 +75,13 @@ func MarshalToWriter(v Marshaler, w io.Writer) (written int, err error) {
 // false if an error occurred before any http.ResponseWriter methods were actually
 // invoked (in this case a 500 reply is possible).
 func MarshalToHTTPResponseWriter(v Marshaler, w http.ResponseWriter) (started bool, written int, err error) {
+	if isNilInterface(v) {
+		w.Header().Set("Content-Type", "application/json")
+		w.Header().Set("Content-Length", strconv.Itoa(len(nullBytes)))
+		written, err = w.Write(nullBytes)
+		return true, written, err
+	}
+
 	jw := jwriter.Writer{}
 	v.MarshalEasyJSON(&jw)
 	if jw.Error != nil {
diff --git a/vendor/github.com/mailru/easyjson/jlexer/lexer.go b/vendor/github.com/mailru/easyjson/jlexer/lexer.go
index ddd376b844..a42e9d65ad 100644
--- a/vendor/github.com/mailru/easyjson/jlexer/lexer.go
+++ b/vendor/github.com/mailru/easyjson/jlexer/lexer.go
@@ -5,6 +5,7 @@
 package jlexer
 
 import (
+	"bytes"
 	"encoding/base64"
 	"encoding/json"
 	"errors"
@@ -14,6 +15,8 @@ import (
 	"unicode"
 	"unicode/utf16"
 	"unicode/utf8"
+
+	"github.com/josharian/intern"
 )
 
 // tokenKind determines type of a token.
@@ -32,9 +35,10 @@ const (
 type token struct {
 	kind tokenKind // Type of a token.
 
-	boolValue  bool   // Value if a boolean literal token.
-	byteValue  []byte // Raw value of a token.
-	delimValue byte
+	boolValue       bool   // Value if a boolean literal token.
+	byteValueCloned bool   // true if byteValue was allocated and does not refer to original json body
+	byteValue       []byte // Raw value of a token.
+	delimValue      byte
 }
 
 // Lexer is a JSON lexer: it iterates over JSON tokens in a byte slice.
@@ -240,23 +244,65 @@ func (r *Lexer) fetchNumber() {
 
 // findStringLen tries to scan into the string literal for ending quote char to determine required size.
 // The size will be exact if no escapes are present and may be inexact if there are escaped chars.
-func findStringLen(data []byte) (isValid, hasEscapes bool, length int) {
-	delta := 0
-
-	for i := 0; i < len(data); i++ {
-		switch data[i] {
-		case '\\':
-			i++
-			delta++
-			if i < len(data) && data[i] == 'u' {
-				delta++
-			}
-		case '"':
-			return true, (delta > 0), (i - delta)
+func findStringLen(data []byte) (isValid bool, length int) {
+	for {
+		idx := bytes.IndexByte(data, '"')
+		if idx == -1 {
+			return false, len(data)
+		}
+		if idx == 0 || (idx > 0 && data[idx-1] != '\\') {
+			return true, length + idx
+		}
+
+		// count \\\\\\\ sequences. even number of slashes means quote is not really escaped
+		cnt := 1
+		for idx-cnt-1 >= 0 && data[idx-cnt-1] == '\\' {
+			cnt++
+		}
+		if cnt%2 == 0 {
+			return true, length + idx
+		}
+
+		length += idx + 1
+		data = data[idx+1:]
+	}
+}
+
+// unescapeStringToken performs unescaping of string token.
+// if no escaping is needed, original string is returned, otherwise - a new one allocated
+func (r *Lexer) unescapeStringToken() (err error) {
+	data := r.token.byteValue
+	var unescapedData []byte
+
+	for {
+		i := bytes.IndexByte(data, '\\')
+		if i == -1 {
+			break
+		}
+
+		escapedRune, escapedBytes, err := decodeEscape(data[i:])
+		if err != nil {
+			r.errParse(err.Error())
+			return err
 		}
+
+		if unescapedData == nil {
+			unescapedData = make([]byte, 0, len(r.token.byteValue))
+		}
+
+		var d [4]byte
+		s := utf8.EncodeRune(d[:], escapedRune)
+		unescapedData = append(unescapedData, data[:i]...)
+		unescapedData = append(unescapedData, d[:s]...)
+
+		data = data[i+escapedBytes:]
 	}
 
-	return false, false, len(data)
+	if unescapedData != nil {
+		r.token.byteValue = append(unescapedData, data...)
+		r.token.byteValueCloned = true
+	}
+	return
 }
 
 // getu4 decodes \uXXXX from the beginning of s, returning the hex value,
@@ -286,36 +332,30 @@ func getu4(s []byte) rune {
 	return val
 }
 
-// processEscape processes a single escape sequence and returns number of bytes processed.
-func (r *Lexer) processEscape(data []byte) (int, error) {
+// decodeEscape processes a single escape sequence and returns number of bytes processed.
+func decodeEscape(data []byte) (decoded rune, bytesProcessed int, err error) {
 	if len(data) < 2 {
-		return 0, fmt.Errorf("syntax error at %v", string(data))
+		return 0, 0, errors.New("incorrect escape symbol \\ at the end of token")
 	}
 
 	c := data[1]
 	switch c {
 	case '"', '/', '\\':
-		r.token.byteValue = append(r.token.byteValue, c)
-		return 2, nil
+		return rune(c), 2, nil
 	case 'b':
-		r.token.byteValue = append(r.token.byteValue, '\b')
-		return 2, nil
+		return '\b', 2, nil
 	case 'f':
-		r.token.byteValue = append(r.token.byteValue, '\f')
-		return 2, nil
+		return '\f', 2, nil
 	case 'n':
-		r.token.byteValue = append(r.token.byteValue, '\n')
-		return 2, nil
+		return '\n', 2, nil
 	case 'r':
-		r.token.byteValue = append(r.token.byteValue, '\r')
-		return 2, nil
+		return '\r', 2, nil
 	case 't':
-		r.token.byteValue = append(r.token.byteValue, '\t')
-		return 2, nil
+		return '\t', 2, nil
 	case 'u':
 		rr := getu4(data)
 		if rr < 0 {
-			return 0, errors.New("syntax error")
+			return 0, 0, errors.New("incorrectly escaped \\uXXXX sequence")
 		}
 
 		read := 6
@@ -328,13 +368,10 @@ func (r *Lexer) processEscape(data []byte) (int, error) {
 				rr = unicode.ReplacementChar
 			}
 		}
-		var d [4]byte
-		s := utf8.EncodeRune(d[:], rr)
-		r.token.byteValue = append(r.token.byteValue, d[:s]...)
-		return read, nil
+		return rr, read, nil
 	}
 
-	return 0, errors.New("syntax error")
+	return 0, 0, errors.New("incorrectly escaped bytes")
 }
 
 // fetchString scans a string literal token.
@@ -342,43 +379,14 @@ func (r *Lexer) fetchString() {
 	r.pos++
 	data := r.Data[r.pos:]
 
-	isValid, hasEscapes, length := findStringLen(data)
+	isValid, length := findStringLen(data)
 	if !isValid {
 		r.pos += length
 		r.errParse("unterminated string literal")
 		return
 	}
-	if !hasEscapes {
-		r.token.byteValue = data[:length]
-		r.pos += length + 1
-		return
-	}
-
-	r.token.byteValue = make([]byte, 0, length)
-	p := 0
-	for i := 0; i < len(data); {
-		switch data[i] {
-		case '"':
-			r.pos += i + 1
-			r.token.byteValue = append(r.token.byteValue, data[p:i]...)
-			i++
-			return
-
-		case '\\':
-			r.token.byteValue = append(r.token.byteValue, data[p:i]...)
-			off, err := r.processEscape(data[i:])
-			if err != nil {
-				r.errParse(err.Error())
-				return
-			}
-			i += off
-			p = i
-
-		default:
-			i++
-		}
-	}
-	r.errParse("unterminated string literal")
+	r.token.byteValue = data[:length]
+	r.pos += length + 1 // skip closing '"' as well
 }
 
 // scanToken scans the next token if no token is currently available in the lexer.
@@ -602,7 +610,7 @@ func (r *Lexer) Consumed() {
 	}
 }
 
-func (r *Lexer) unsafeString() (string, []byte) {
+func (r *Lexer) unsafeString(skipUnescape bool) (string, []byte) {
 	if r.token.kind == tokenUndef && r.Ok() {
 		r.FetchToken()
 	}
@@ -610,6 +618,13 @@ func (r *Lexer) unsafeString() (string, []byte) {
 		r.errInvalidToken("string")
 		return "", nil
 	}
+	if !skipUnescape {
+		if err := r.unescapeStringToken(); err != nil {
+			r.errInvalidToken("string")
+			return "", nil
+		}
+	}
+
 	bytes := r.token.byteValue
 	ret := bytesToStr(r.token.byteValue)
 	r.consume()
@@ -621,13 +636,19 @@ func (r *Lexer) unsafeString() (string, []byte) {
 // Warning: returned string may point to the input buffer, so the string should not outlive
 // the input buffer. Intended pattern of usage is as an argument to a switch statement.
 func (r *Lexer) UnsafeString() string {
-	ret, _ := r.unsafeString()
+	ret, _ := r.unsafeString(false)
 	return ret
 }
 
 // UnsafeBytes returns the byte slice if the token is a string literal.
 func (r *Lexer) UnsafeBytes() []byte {
-	_, ret := r.unsafeString()
+	_, ret := r.unsafeString(false)
+	return ret
+}
+
+// UnsafeFieldName returns current member name string token
+func (r *Lexer) UnsafeFieldName(skipUnescape bool) string {
+	ret, _ := r.unsafeString(skipUnescape)
 	return ret
 }
 
@@ -640,7 +661,34 @@ func (r *Lexer) String() string {
 		r.errInvalidToken("string")
 		return ""
 	}
-	ret := string(r.token.byteValue)
+	if err := r.unescapeStringToken(); err != nil {
+		r.errInvalidToken("string")
+		return ""
+	}
+	var ret string
+	if r.token.byteValueCloned {
+		ret = bytesToStr(r.token.byteValue)
+	} else {
+		ret = string(r.token.byteValue)
+	}
+	r.consume()
+	return ret
+}
+
+// StringIntern reads a string literal, and performs string interning on it.
+func (r *Lexer) StringIntern() string {
+	if r.token.kind == tokenUndef && r.Ok() {
+		r.FetchToken()
+	}
+	if !r.Ok() || r.token.kind != tokenString {
+		r.errInvalidToken("string")
+		return ""
+	}
+	if err := r.unescapeStringToken(); err != nil {
+		r.errInvalidToken("string")
+		return ""
+	}
+	ret := intern.Bytes(r.token.byteValue)
 	r.consume()
 	return ret
 }
@@ -839,7 +887,7 @@ func (r *Lexer) Int() int {
 }
 
 func (r *Lexer) Uint8Str() uint8 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -856,7 +904,7 @@ func (r *Lexer) Uint8Str() uint8 {
 }
 
 func (r *Lexer) Uint16Str() uint16 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -873,7 +921,7 @@ func (r *Lexer) Uint16Str() uint16 {
 }
 
 func (r *Lexer) Uint32Str() uint32 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -890,7 +938,7 @@ func (r *Lexer) Uint32Str() uint32 {
 }
 
 func (r *Lexer) Uint64Str() uint64 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -915,7 +963,7 @@ func (r *Lexer) UintptrStr() uintptr {
 }
 
 func (r *Lexer) Int8Str() int8 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -932,7 +980,7 @@ func (r *Lexer) Int8Str() int8 {
 }
 
 func (r *Lexer) Int16Str() int16 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -949,7 +997,7 @@ func (r *Lexer) Int16Str() int16 {
 }
 
 func (r *Lexer) Int32Str() int32 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -966,7 +1014,7 @@ func (r *Lexer) Int32Str() int32 {
 }
 
 func (r *Lexer) Int64Str() int64 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -1004,7 +1052,7 @@ func (r *Lexer) Float32() float32 {
 }
 
 func (r *Lexer) Float32Str() float32 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
@@ -1037,7 +1085,7 @@ func (r *Lexer) Float64() float64 {
 }
 
 func (r *Lexer) Float64Str() float64 {
-	s, b := r.unsafeString()
+	s, b := r.unsafeString(false)
 	if !r.Ok() {
 		return 0
 	}
diff --git a/vendor/github.com/mailru/easyjson/jwriter/writer.go b/vendor/github.com/mailru/easyjson/jwriter/writer.go
index eb8547ccc2..2c5b20105b 100644
--- a/vendor/github.com/mailru/easyjson/jwriter/writer.go
+++ b/vendor/github.com/mailru/easyjson/jwriter/writer.go
@@ -297,11 +297,9 @@ func (w *Writer) String(s string) {
 
 	p := 0 // last non-escape symbol
 
-	var escapeTable [128]bool
+	escapeTable := &htmlEscapeTable
 	if w.NoEscapeHTML {
-		escapeTable = htmlNoEscapeTable
-	} else {
-		escapeTable = htmlEscapeTable
+		escapeTable = &htmlNoEscapeTable
 	}
 
 	for i := 0; i < len(s); {
diff --git a/vendor/github.com/mailru/easyjson/unknown_fields.go b/vendor/github.com/mailru/easyjson/unknown_fields.go
index 6cfdf8300b..55538eac99 100644
--- a/vendor/github.com/mailru/easyjson/unknown_fields.go
+++ b/vendor/github.com/mailru/easyjson/unknown_fields.go
@@ -1,8 +1,6 @@
 package easyjson
 
 import (
-	json "encoding/json"
-
 	jlexer "github.com/mailru/easyjson/jlexer"
 	"github.com/mailru/easyjson/jwriter"
 )
@@ -10,14 +8,14 @@ import (
 // UnknownFieldsProxy implemets UnknownsUnmarshaler and UnknownsMarshaler
 // use it as embedded field in your structure to parse and then serialize unknown struct fields
 type UnknownFieldsProxy struct {
-	unknownFields map[string]interface{}
+	unknownFields map[string][]byte
 }
 
 func (s *UnknownFieldsProxy) UnmarshalUnknown(in *jlexer.Lexer, key string) {
 	if s.unknownFields == nil {
-		s.unknownFields = make(map[string]interface{}, 1)
+		s.unknownFields = make(map[string][]byte, 1)
 	}
-	s.unknownFields[key] = in.Interface()
+	s.unknownFields[key] = in.Raw()
 }
 
 func (s UnknownFieldsProxy) MarshalUnknowns(out *jwriter.Writer, first bool) {
@@ -29,6 +27,6 @@ func (s UnknownFieldsProxy) MarshalUnknowns(out *jwriter.Writer, first bool) {
 		}
 		out.String(string(key))
 		out.RawByte(':')
-		out.Raw(json.Marshal(val))
+		out.Raw(val, nil)
 	}
 }