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Merge pull request #63059 from ceshihao/upgrade_json_package_fix_base64_newline

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Automatic merge from submit-queue (batch tested with PRs 59965, 59115, 63076, 63059). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Upgrade dep json-iterator/go to fix base64 decode bug

**What this PR does / why we need it**:
upgrade dep `json-iterator/go` to fix base64 decode bug #62742

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #62742

**Special notes for your reviewer**:
Just upgrade `json-iterator/go` to latest which includes base64 decode fix https://github.com/json-iterator/go/pull/266
No other code changes

**Release note**:

```release-note
None
```

Kubernetes-commit: 3dbcd1ddcee786f443f89a82514bbd9c6ad06c99
This commit is contained in:
Kubernetes Publisher 2018-04-25 17:07:18 -07:00
commit c0feae0701
123 changed files with 6814 additions and 4170 deletions
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390
Godeps/Godeps.json generated
View File

@ -80,7 +80,15 @@
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"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/pkg/apis/clientauthentication",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/pkg/apis/clientauthentication/v1alpha1",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/pkg/version",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/plugin/pkg/client/auth/exec",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/rest",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/rest/watch",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/testing",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/auth",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/cache",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd/api",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd/api/latest",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/clientcmd/api/v1",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/metrics",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/pager",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/record",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/tools/reference",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/transport",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/buffer",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/cert",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/flowcontrol",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/homedir",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/integer",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/retry",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/client-go/util/workqueue",
"Rev": "467c17c87a25ca63c74dfb8cf2545343fbed2d69"
"Rev": "f0d11262904f0a1cd1d4b6120add0cf6523ba9d4"
},
{
"ImportPath": "k8s.io/kube-openapi/pkg/util/proto",

28
vendor/github.com/json-iterator/go/Gopkg.lock generated vendored
View File

@ -2,32 +2,20 @@
[[projects]]
name = "github.com/davecgh/go-spew"
packages = ["spew"]
revision = "346938d642f2ec3594ed81d874461961cd0faa76"
version = "v1.1.0"
[[projects]]
branch = "master"
name = "github.com/google/gofuzz"
name = "github.com/modern-go/concurrent"
packages = ["."]
revision = "24818f796faf91cd76ec7bddd72458fbced7a6c1"
revision = "e0a39a4cb4216ea8db28e22a69f4ec25610d513a"
version = "1.0.0"
[[projects]]
name = "github.com/pmezard/go-difflib"
packages = ["difflib"]
revision = "792786c7400a136282c1664665ae0a8db921c6c2"
version = "v1.0.0"
[[projects]]
name = "github.com/stretchr/testify"
packages = ["assert","require"]
revision = "69483b4bd14f5845b5a1e55bca19e954e827f1d0"
version = "v1.1.4"
name = "github.com/modern-go/reflect2"
packages = ["."]
revision = "1df9eeb2bb81f327b96228865c5687bc2194af3f"
version = "1.0.0"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "f8b7cf3941d3792cbbd570bb53c093adaf774334d1162c651565c97a58dc9d09"
inputs-digest = "ac7003b5a981716353a43055ab7d4c5357403cb30a60de2dbdeb446c1544beaa"
solver-name = "gps-cdcl"
solver-version = 1

13
vendor/github.com/json-iterator/go/Gopkg.toml generated vendored
View File

@ -19,15 +19,8 @@
# name = "github.com/x/y"
# version = "2.4.0"
ignored = ["github.com/davecgh/go-spew*","github.com/google/gofuzz*","github.com/stretchr/testify*"]
[[constraint]]
name = "github.com/davecgh/go-spew"
version = "1.1.0"
[[constraint]]
branch = "master"
name = "github.com/google/gofuzz"
[[constraint]]
name = "github.com/stretchr/testify"
version = "1.1.4"
name = "github.com/modern-go/reflect2"
version = "1.0.0"

5
vendor/github.com/json-iterator/go/README.md generated vendored
View File

@ -8,6 +8,8 @@
A high-performance 100% compatible drop-in replacement of "encoding/json"
You can also use thrift like JSON using [thrift-iterator](https://github.com/thrift-iterator/go)
```
Go开发者们请加入我们，滴滴出行平台技术部 taowen@didichuxing.com
```
@ -29,6 +31,9 @@ Raw Result (easyjson requires static code generation)
| easyjson encode | 883 ns/op | 576 B/op | 3 allocs/op |
| jsoniter encode | 837 ns/op | 384 B/op | 4 allocs/op |
Always benchmark with your own workload.
The result depends heavily on the data input.
# Usage
100% compatibility with standard lib

47
vendor/github.com/json-iterator/go/feature_adapter.go → vendor/github.com/json-iterator/go/adapter.go generated vendored
View File

@ -16,15 +16,6 @@ func Unmarshal(data []byte, v interface{}) error {
return ConfigDefault.Unmarshal(data, v)
}
func lastNotSpacePos(data []byte) int {
for i := len(data) - 1; i >= 0; i-- {
if data[i] != ' ' && data[i] != '\t' && data[i] != '\r' && data[i] != '\n' {
return i + 1
}
}
return 0
}
// UnmarshalFromString convenient method to read from string instead of []byte
func UnmarshalFromString(str string, v interface{}) error {
return ConfigDefault.UnmarshalFromString(str, v)
@ -71,6 +62,11 @@ type Decoder struct {
// Decode decode JSON into interface{}
func (adapter *Decoder) Decode(obj interface{}) error {
if adapter.iter.head == adapter.iter.tail && adapter.iter.reader != nil {
if !adapter.iter.loadMore() {
return io.EOF
}
}
adapter.iter.ReadVal(obj)
err := adapter.iter.Error
if err == io.EOF {
@ -81,7 +77,14 @@ func (adapter *Decoder) Decode(obj interface{}) error {
// More is there more?
func (adapter *Decoder) More() bool {
return adapter.iter.head != adapter.iter.tail
iter := adapter.iter
if iter.Error != nil {
return false
}
if iter.head != iter.tail {
return true
}
return iter.loadMore()
}
// Buffered remaining buffer
@ -90,11 +93,21 @@ func (adapter *Decoder) Buffered() io.Reader {
return bytes.NewReader(remaining)
}
// UseNumber for number JSON element, use float64 or json.NumberValue (alias of string)
// UseNumber causes the Decoder to unmarshal a number into an interface{} as a
// Number instead of as a float64.
func (adapter *Decoder) UseNumber() {
origCfg := adapter.iter.cfg.configBeforeFrozen
origCfg.UseNumber = true
adapter.iter.cfg = origCfg.Froze().(*frozenConfig)
cfg := adapter.iter.cfg.configBeforeFrozen
cfg.UseNumber = true
adapter.iter.cfg = cfg.frozeWithCacheReuse()
}
// DisallowUnknownFields causes the Decoder to return an error when the destination
// is a struct and the input contains object keys which do not match any
// non-ignored, exported fields in the destination.
func (adapter *Decoder) DisallowUnknownFields() {
cfg := adapter.iter.cfg.configBeforeFrozen
cfg.DisallowUnknownFields = true
adapter.iter.cfg = cfg.frozeWithCacheReuse()
}
// NewEncoder same as json.NewEncoder
@ -117,14 +130,16 @@ func (adapter *Encoder) Encode(val interface{}) error {
// SetIndent set the indention. Prefix is not supported
func (adapter *Encoder) SetIndent(prefix, indent string) {
adapter.stream.cfg.indentionStep = len(indent)
config := adapter.stream.cfg.configBeforeFrozen
config.IndentionStep = len(indent)
adapter.stream.cfg = config.frozeWithCacheReuse()
}
// SetEscapeHTML escape html by default, set to false to disable
func (adapter *Encoder) SetEscapeHTML(escapeHTML bool) {
config := adapter.stream.cfg.configBeforeFrozen
config.EscapeHTML = escapeHTML
adapter.stream.cfg = config.Froze().(*frozenConfig)
adapter.stream.cfg = config.frozeWithCacheReuse()
}
// Valid reports whether data is a valid JSON encoding.

82
vendor/github.com/json-iterator/go/feature_any.go → vendor/github.com/json-iterator/go/any.go generated vendored
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@ -3,8 +3,11 @@ package jsoniter
import (
"errors"
"fmt"
"github.com/modern-go/reflect2"
"io"
"reflect"
"strconv"
"unsafe"
)
// Any generic object representation.
@ -25,7 +28,6 @@ type Any interface {
ToString() string
ToVal(val interface{})
Get(path ...interface{}) Any
// TODO: add Set
Size() int
Keys() []string
GetInterface() interface{}
@ -35,7 +37,7 @@ type Any interface {
type baseAny struct{}
func (any *baseAny) Get(path ...interface{}) Any {
return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)}
return &invalidAny{baseAny{}, fmt.Errorf("GetIndex %v from simple value", path)}
}
func (any *baseAny) Size() int {
@ -89,7 +91,7 @@ func Wrap(val interface{}) Any {
if isAny {
return asAny
}
typ := reflect.TypeOf(val)
typ := reflect2.TypeOf(val)
switch typ.Kind() {
case reflect.Slice:
return wrapArray(val)
@ -100,6 +102,9 @@ func Wrap(val interface{}) Any {
case reflect.String:
return WrapString(val.(string))
case reflect.Int:
if strconv.IntSize == 32 {
return WrapInt32(int32(val.(int)))
}
return WrapInt64(int64(val.(int)))
case reflect.Int8:
return WrapInt32(int32(val.(int8)))
@ -110,7 +115,15 @@ func Wrap(val interface{}) Any {
case reflect.Int64:
return WrapInt64(val.(int64))
case reflect.Uint:
if strconv.IntSize == 32 {
return WrapUint32(uint32(val.(uint)))
}
return WrapUint64(uint64(val.(uint)))
case reflect.Uintptr:
if ptrSize == 32 {
return WrapUint32(uint32(val.(uintptr)))
}
return WrapUint64(uint64(val.(uintptr)))
case reflect.Uint8:
return WrapUint32(uint32(val.(uint8)))
case reflect.Uint16:
@ -243,3 +256,66 @@ func locatePath(iter *Iterator, path []interface{}) Any {
}
return iter.readAny()
}
var anyType = reflect2.TypeOfPtr((*Any)(nil)).Elem()
func createDecoderOfAny(ctx *ctx, typ reflect2.Type) ValDecoder {
if typ == anyType {
return &directAnyCodec{}
}
if typ.Implements(anyType) {
return &anyCodec{
valType: typ,
}
}
return nil
}
func createEncoderOfAny(ctx *ctx, typ reflect2.Type) ValEncoder {
if typ == anyType {
return &directAnyCodec{}
}
if typ.Implements(anyType) {
return &anyCodec{
valType: typ,
}
}
return nil
}
type anyCodec struct {
valType reflect2.Type
}
func (codec *anyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
panic("not implemented")
}
func (codec *anyCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
obj := codec.valType.UnsafeIndirect(ptr)
any := obj.(Any)
any.WriteTo(stream)
}
func (codec *anyCodec) IsEmpty(ptr unsafe.Pointer) bool {
obj := codec.valType.UnsafeIndirect(ptr)
any := obj.(Any)
return any.Size() == 0
}
type directAnyCodec struct {
}
func (codec *directAnyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*(*Any)(ptr) = iter.readAny()
}
func (codec *directAnyCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
any := *(*Any)(ptr)
any.WriteTo(stream)
}
func (codec *directAnyCodec) IsEmpty(ptr unsafe.Pointer) bool {
any := *(*Any)(ptr)
return any.Size() == 0
}

0
vendor/github.com/json-iterator/go/feature_any_array.go → vendor/github.com/json-iterator/go/any_array.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_bool.go → vendor/github.com/json-iterator/go/any_bool.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_float.go → vendor/github.com/json-iterator/go/any_float.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_int32.go → vendor/github.com/json-iterator/go/any_int32.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_int64.go → vendor/github.com/json-iterator/go/any_int64.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_invalid.go → vendor/github.com/json-iterator/go/any_invalid.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_nil.go → vendor/github.com/json-iterator/go/any_nil.go generated vendored
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37
vendor/github.com/json-iterator/go/feature_any_number.go → vendor/github.com/json-iterator/go/any_number.go generated vendored
View File

@ -1,6 +1,9 @@
package jsoniter
import "unsafe"
import (
"io"
"unsafe"
)
type numberLazyAny struct {
baseAny
@ -29,7 +32,9 @@ func (any *numberLazyAny) ToInt() int {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadInt()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -37,7 +42,9 @@ func (any *numberLazyAny) ToInt32() int32 {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadInt32()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -45,7 +52,9 @@ func (any *numberLazyAny) ToInt64() int64 {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadInt64()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -53,7 +62,9 @@ func (any *numberLazyAny) ToUint() uint {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadUint()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -61,7 +72,9 @@ func (any *numberLazyAny) ToUint32() uint32 {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadUint32()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -69,7 +82,9 @@ func (any *numberLazyAny) ToUint64() uint64 {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadUint64()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -77,7 +92,9 @@ func (any *numberLazyAny) ToFloat32() float32 {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadFloat32()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}
@ -85,7 +102,9 @@ func (any *numberLazyAny) ToFloat64() float64 {
iter := any.cfg.BorrowIterator(any.buf)
defer any.cfg.ReturnIterator(iter)
val := iter.ReadFloat64()
any.err = iter.Error
if iter.Error != nil && iter.Error != io.EOF {
any.err = iter.Error
}
return val
}

0
vendor/github.com/json-iterator/go/feature_any_object.go → vendor/github.com/json-iterator/go/any_object.go generated vendored
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2
vendor/github.com/json-iterator/go/feature_any_string.go → vendor/github.com/json-iterator/go/any_str.go generated vendored
View File

@ -14,7 +14,7 @@ func (any *stringAny) Get(path ...interface{}) Any {
if len(path) == 0 {
return any
}
return &invalidAny{baseAny{}, fmt.Errorf("Get %v from simple value", path)}
return &invalidAny{baseAny{}, fmt.Errorf("GetIndex %v from simple value", path)}
}
func (any *stringAny) Parse() *Iterator {

0
vendor/github.com/json-iterator/go/feature_any_uint32.go → vendor/github.com/json-iterator/go/any_uint32.go generated vendored
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0
vendor/github.com/json-iterator/go/feature_any_uint64.go → vendor/github.com/json-iterator/go/any_uint64.go generated vendored
View File

246
vendor/github.com/json-iterator/go/feature_config.go → vendor/github.com/json-iterator/go/config.go generated vendored
View File

@ -2,10 +2,11 @@ package jsoniter
import (
"encoding/json"
"errors"
"github.com/modern-go/concurrent"
"github.com/modern-go/reflect2"
"io"
"reflect"
"sync/atomic"
"sync"
"unsafe"
)
@ -17,23 +18,13 @@ type Config struct {
EscapeHTML bool
SortMapKeys bool
UseNumber bool
DisallowUnknownFields bool
TagKey string
OnlyTaggedField bool
ValidateJsonRawMessage bool
ObjectFieldMustBeSimpleString bool
}
type frozenConfig struct {
configBeforeFrozen Config
sortMapKeys bool
indentionStep int
objectFieldMustBeSimpleString bool
decoderCache unsafe.Pointer
encoderCache unsafe.Pointer
extensions []Extension
streamPool chan *Stream
iteratorPool chan *Iterator
}
// API the public interface of this package.
// Primary Marshal and Unmarshal.
type API interface {
@ -49,6 +40,8 @@ type API interface {
NewDecoder(reader io.Reader) *Decoder
Valid(data []byte) bool
RegisterExtension(extension Extension)
DecoderOf(typ reflect2.Type) ValDecoder
EncoderOf(typ reflect2.Type) ValEncoder
}
// ConfigDefault the default API
@ -70,35 +63,118 @@ var ConfigFastest = Config{
ObjectFieldMustBeSimpleString: true, // do not unescape object field
}.Froze()
type frozenConfig struct {
configBeforeFrozen Config
sortMapKeys bool
indentionStep int
objectFieldMustBeSimpleString bool
onlyTaggedField bool
disallowUnknownFields bool
decoderCache *concurrent.Map
encoderCache *concurrent.Map
extensions []Extension
streamPool *sync.Pool
iteratorPool *sync.Pool
}
func (cfg *frozenConfig) initCache() {
cfg.decoderCache = concurrent.NewMap()
cfg.encoderCache = concurrent.NewMap()
}
func (cfg *frozenConfig) addDecoderToCache(cacheKey uintptr, decoder ValDecoder) {
cfg.decoderCache.Store(cacheKey, decoder)
}
func (cfg *frozenConfig) addEncoderToCache(cacheKey uintptr, encoder ValEncoder) {
cfg.encoderCache.Store(cacheKey, encoder)
}
func (cfg *frozenConfig) getDecoderFromCache(cacheKey uintptr) ValDecoder {
decoder, found := cfg.decoderCache.Load(cacheKey)
if found {
return decoder.(ValDecoder)
}
return nil
}
func (cfg *frozenConfig) getEncoderFromCache(cacheKey uintptr) ValEncoder {
encoder, found := cfg.encoderCache.Load(cacheKey)
if found {
return encoder.(ValEncoder)
}
return nil
}
var cfgCache = concurrent.NewMap()
func getFrozenConfigFromCache(cfg Config) *frozenConfig {
obj, found := cfgCache.Load(cfg)
if found {
return obj.(*frozenConfig)
}
return nil
}
func addFrozenConfigToCache(cfg Config, frozenConfig *frozenConfig) {
cfgCache.Store(cfg, frozenConfig)
}
// Froze forge API from config
func (cfg Config) Froze() API {
// TODO: cache frozen config
frozenConfig := &frozenConfig{
api := &frozenConfig{
sortMapKeys: cfg.SortMapKeys,
indentionStep: cfg.IndentionStep,
objectFieldMustBeSimpleString: cfg.ObjectFieldMustBeSimpleString,
streamPool: make(chan *Stream, 16),
iteratorPool: make(chan *Iterator, 16),
onlyTaggedField: cfg.OnlyTaggedField,
disallowUnknownFields: cfg.DisallowUnknownFields,
}
atomic.StorePointer(&frozenConfig.decoderCache, unsafe.Pointer(&map[string]ValDecoder{}))
atomic.StorePointer(&frozenConfig.encoderCache, unsafe.Pointer(&map[string]ValEncoder{}))
api.streamPool = &sync.Pool{
New: func() interface{} {
return NewStream(api, nil, 512)
},
}
api.iteratorPool = &sync.Pool{
New: func() interface{} {
return NewIterator(api)
},
}
api.initCache()
encoderExtension := EncoderExtension{}
decoderExtension := DecoderExtension{}
if cfg.MarshalFloatWith6Digits {
frozenConfig.marshalFloatWith6Digits()
api.marshalFloatWith6Digits(encoderExtension)
}
if cfg.EscapeHTML {
frozenConfig.escapeHTML()
api.escapeHTML(encoderExtension)
}
if cfg.UseNumber {
frozenConfig.useNumber()
api.useNumber(decoderExtension)
}
if cfg.ValidateJsonRawMessage {
frozenConfig.validateJsonRawMessage()
api.validateJsonRawMessage(encoderExtension)
}
frozenConfig.configBeforeFrozen = cfg
return frozenConfig
if len(encoderExtension) > 0 {
api.extensions = append(api.extensions, encoderExtension)
}
if len(decoderExtension) > 0 {
api.extensions = append(api.extensions, decoderExtension)
}
api.configBeforeFrozen = cfg
return api
}
func (cfg *frozenConfig) validateJsonRawMessage() {
func (cfg Config) frozeWithCacheReuse() *frozenConfig {
api := getFrozenConfigFromCache(cfg)
if api != nil {
return api
}
api = cfg.Froze().(*frozenConfig)
addFrozenConfigToCache(cfg, api)
return api
}
func (cfg *frozenConfig) validateJsonRawMessage(extension EncoderExtension) {
encoder := &funcEncoder{func(ptr unsafe.Pointer, stream *Stream) {
rawMessage := *(*json.RawMessage)(ptr)
iter := cfg.BorrowIterator([]byte(rawMessage))
@ -112,18 +188,23 @@ func (cfg *frozenConfig) validateJsonRawMessage() {
}, func(ptr unsafe.Pointer) bool {
return false
}}
cfg.addEncoderToCache(reflect.TypeOf((*json.RawMessage)(nil)).Elem(), encoder)
cfg.addEncoderToCache(reflect.TypeOf((*RawMessage)(nil)).Elem(), encoder)
extension[reflect2.TypeOfPtr((*json.RawMessage)(nil)).Elem()] = encoder
extension[reflect2.TypeOfPtr((*RawMessage)(nil)).Elem()] = encoder
}
func (cfg *frozenConfig) useNumber() {
cfg.addDecoderToCache(reflect.TypeOf((*interface{})(nil)).Elem(), &funcDecoder{func(ptr unsafe.Pointer, iter *Iterator) {
func (cfg *frozenConfig) useNumber(extension DecoderExtension) {
extension[reflect2.TypeOfPtr((*interface{})(nil)).Elem()] = &funcDecoder{func(ptr unsafe.Pointer, iter *Iterator) {
exitingValue := *((*interface{})(ptr))
if exitingValue != nil && reflect.TypeOf(exitingValue).Kind() == reflect.Ptr {
iter.ReadVal(exitingValue)
return
}
if iter.WhatIsNext() == NumberValue {
*((*interface{})(ptr)) = json.Number(iter.readNumberAsString())
} else {
*((*interface{})(ptr)) = iter.Read()
}
}})
}}
}
func (cfg *frozenConfig) getTagKey() string {
tagKey := cfg.configBeforeFrozen.TagKey
@ -144,10 +225,6 @@ func (encoder *lossyFloat32Encoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteFloat32Lossy(*((*float32)(ptr)))
}
func (encoder *lossyFloat32Encoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *lossyFloat32Encoder) IsEmpty(ptr unsafe.Pointer) bool {
return *((*float32)(ptr)) == 0
}
@ -159,20 +236,16 @@ func (encoder *lossyFloat64Encoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteFloat64Lossy(*((*float64)(ptr)))
}
func (encoder *lossyFloat64Encoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *lossyFloat64Encoder) IsEmpty(ptr unsafe.Pointer) bool {
return *((*float64)(ptr)) == 0
}
// EnableLossyFloatMarshalling keeps 10**(-6) precision
// for float variables for better performance.
func (cfg *frozenConfig) marshalFloatWith6Digits() {
func (cfg *frozenConfig) marshalFloatWith6Digits(extension EncoderExtension) {
// for better performance
cfg.addEncoderToCache(reflect.TypeOf((*float32)(nil)).Elem(), &lossyFloat32Encoder{})
cfg.addEncoderToCache(reflect.TypeOf((*float64)(nil)).Elem(), &lossyFloat64Encoder{})
extension[reflect2.TypeOfPtr((*float32)(nil)).Elem()] = &lossyFloat32Encoder{}
extension[reflect2.TypeOfPtr((*float64)(nil)).Elem()] = &lossyFloat64Encoder{}
}
type htmlEscapedStringEncoder struct {
@ -183,56 +256,12 @@ func (encoder *htmlEscapedStringEncoder) Encode(ptr unsafe.Pointer, stream *Stre
stream.WriteStringWithHTMLEscaped(str)
}
func (encoder *htmlEscapedStringEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *htmlEscapedStringEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return *((*string)(ptr)) == ""
}
func (cfg *frozenConfig) escapeHTML() {
cfg.addEncoderToCache(reflect.TypeOf((*string)(nil)).Elem(), &htmlEscapedStringEncoder{})
}
func (cfg *frozenConfig) addDecoderToCache(cacheKey reflect.Type, decoder ValDecoder) {
done := false
for !done {
ptr := atomic.LoadPointer(&cfg.decoderCache)
cache := *(*map[reflect.Type]ValDecoder)(ptr)
copied := map[reflect.Type]ValDecoder{}
for k, v := range cache {
copied[k] = v
}
copied[cacheKey] = decoder
done = atomic.CompareAndSwapPointer(&cfg.decoderCache, ptr, unsafe.Pointer(&copied))
}
}
func (cfg *frozenConfig) addEncoderToCache(cacheKey reflect.Type, encoder ValEncoder) {
done := false
for !done {
ptr := atomic.LoadPointer(&cfg.encoderCache)
cache := *(*map[reflect.Type]ValEncoder)(ptr)
copied := map[reflect.Type]ValEncoder{}
for k, v := range cache {
copied[k] = v
}
copied[cacheKey] = encoder
done = atomic.CompareAndSwapPointer(&cfg.encoderCache, ptr, unsafe.Pointer(&copied))
}
}
func (cfg *frozenConfig) getDecoderFromCache(cacheKey reflect.Type) ValDecoder {
ptr := atomic.LoadPointer(&cfg.decoderCache)
cache := *(*map[reflect.Type]ValDecoder)(ptr)
return cache[cacheKey]
}
func (cfg *frozenConfig) getEncoderFromCache(cacheKey reflect.Type) ValEncoder {
ptr := atomic.LoadPointer(&cfg.encoderCache)
cache := *(*map[reflect.Type]ValEncoder)(ptr)
return cache[cacheKey]
func (cfg *frozenConfig) escapeHTML(encoderExtension EncoderExtension) {
encoderExtension[reflect2.TypeOfPtr((*string)(nil)).Elem()] = &htmlEscapedStringEncoder{}
}
func (cfg *frozenConfig) cleanDecoders() {
@ -281,24 +310,22 @@ func (cfg *frozenConfig) MarshalIndent(v interface{}, prefix, indent string) ([]
}
newCfg := cfg.configBeforeFrozen
newCfg.IndentionStep = len(indent)
return newCfg.Froze().Marshal(v)
return newCfg.frozeWithCacheReuse().Marshal(v)
}
func (cfg *frozenConfig) UnmarshalFromString(str string, v interface{}) error {
data := []byte(str)
data = data[:lastNotSpacePos(data)]
iter := cfg.BorrowIterator(data)
defer cfg.ReturnIterator(iter)
iter.ReadVal(v)
if iter.head == iter.tail {
iter.loadMore()
}
if iter.Error == io.EOF {
return nil
}
if iter.Error == nil {
iter.ReportError("UnmarshalFromString", "there are bytes left after unmarshal")
c := iter.nextToken()
if c == 0 {
if iter.Error == io.EOF {
return nil
}
return iter.Error
}
iter.ReportError("Unmarshal", "there are bytes left after unmarshal")
return iter.Error
}
@ -309,24 +336,17 @@ func (cfg *frozenConfig) Get(data []byte, path ...interface{}) Any {
}
func (cfg *frozenConfig) Unmarshal(data []byte, v interface{}) error {
data = data[:lastNotSpacePos(data)]
iter := cfg.BorrowIterator(data)
defer cfg.ReturnIterator(iter)
typ := reflect.TypeOf(v)
if typ.Kind() != reflect.Ptr {
// return non-pointer error
return errors.New("the second param must be ptr type")
}
iter.ReadVal(v)
if iter.head == iter.tail {
iter.loadMore()
}
if iter.Error == io.EOF {
return nil
}
if iter.Error == nil {
iter.ReportError("Unmarshal", "there are bytes left after unmarshal")
c := iter.nextToken()
if c == 0 {
if iter.Error == io.EOF {
return nil
}
return iter.Error
}
iter.ReportError("Unmarshal", "there are bytes left after unmarshal")
return iter.Error
}

31
vendor/github.com/json-iterator/go/feature_json_number.go generated vendored
View File

@ -1,31 +0,0 @@
package jsoniter
import (
"encoding/json"
"strconv"
)
type Number string
// String returns the literal text of the number.
func (n Number) String() string { return string(n) }
// Float64 returns the number as a float64.
func (n Number) Float64() (float64, error) {
return strconv.ParseFloat(string(n), 64)
}
// Int64 returns the number as an int64.
func (n Number) Int64() (int64, error) {
return strconv.ParseInt(string(n), 10, 64)
}
func CastJsonNumber(val interface{}) (string, bool) {
switch typedVal := val.(type) {
case json.Number:
return string(typedVal), true
case Number:
return string(typedVal), true
}
return "", false
}

727
vendor/github.com/json-iterator/go/feature_reflect.go generated vendored
View File

@ -1,727 +0,0 @@
package jsoniter
import (
"encoding"
"encoding/json"
"fmt"
"reflect"
"time"
"unsafe"
)
// ValDecoder is an internal type registered to cache as needed.
// Don't confuse jsoniter.ValDecoder with json.Decoder.
// For json.Decoder's adapter, refer to jsoniter.AdapterDecoder(todo link).
//
// Reflection on type to create decoders, which is then cached
// Reflection on value is avoided as we can, as the reflect.Value itself will allocate, with following exceptions
// 1. create instance of new value, for example *int will need a int to be allocated
// 2. append to slice, if the existing cap is not enough, allocate will be done using Reflect.New
// 3. assignment to map, both key and value will be reflect.Value
// For a simple struct binding, it will be reflect.Value free and allocation free
type ValDecoder interface {
Decode(ptr unsafe.Pointer, iter *Iterator)
}
// ValEncoder is an internal type registered to cache as needed.
// Don't confuse jsoniter.ValEncoder with json.Encoder.
// For json.Encoder's adapter, refer to jsoniter.AdapterEncoder(todo godoc link).
type ValEncoder interface {
IsEmpty(ptr unsafe.Pointer) bool
Encode(ptr unsafe.Pointer, stream *Stream)
EncodeInterface(val interface{}, stream *Stream)
}
type checkIsEmpty interface {
IsEmpty(ptr unsafe.Pointer) bool
}
// WriteToStream the default implementation for TypeEncoder method EncodeInterface
func WriteToStream(val interface{}, stream *Stream, encoder ValEncoder) {
e := (*emptyInterface)(unsafe.Pointer(&val))
if e.word == nil {
stream.WriteNil()
return
}
if reflect.TypeOf(val).Kind() == reflect.Ptr {
encoder.Encode(unsafe.Pointer(&e.word), stream)
} else {
encoder.Encode(e.word, stream)
}
}
var jsonNumberType reflect.Type
var jsoniterNumberType reflect.Type
var jsonRawMessageType reflect.Type
var jsoniterRawMessageType reflect.Type
var anyType reflect.Type
var marshalerType reflect.Type
var unmarshalerType reflect.Type
var textMarshalerType reflect.Type
var textUnmarshalerType reflect.Type
func init() {
jsonNumberType = reflect.TypeOf((*json.Number)(nil)).Elem()
jsoniterNumberType = reflect.TypeOf((*Number)(nil)).Elem()
jsonRawMessageType = reflect.TypeOf((*json.RawMessage)(nil)).Elem()
jsoniterRawMessageType = reflect.TypeOf((*RawMessage)(nil)).Elem()
anyType = reflect.TypeOf((*Any)(nil)).Elem()
marshalerType = reflect.TypeOf((*json.Marshaler)(nil)).Elem()
unmarshalerType = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem()
textMarshalerType = reflect.TypeOf((*encoding.TextMarshaler)(nil)).Elem()
textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
}
type OptionalDecoder struct {
ValueType reflect.Type
ValueDecoder ValDecoder
}
func (decoder *OptionalDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.ReadNil() {
*((*unsafe.Pointer)(ptr)) = nil
} else {
if *((*unsafe.Pointer)(ptr)) == nil {
//pointer to null, we have to allocate memory to hold the value
value := reflect.New(decoder.ValueType)
newPtr := extractInterface(value.Interface()).word
decoder.ValueDecoder.Decode(newPtr, iter)
*((*uintptr)(ptr)) = uintptr(newPtr)
} else {
//reuse existing instance
decoder.ValueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter)
}
}
}
type deferenceDecoder struct {
// only to deference a pointer
valueType reflect.Type
valueDecoder ValDecoder
}
func (decoder *deferenceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if *((*unsafe.Pointer)(ptr)) == nil {
//pointer to null, we have to allocate memory to hold the value
value := reflect.New(decoder.valueType)
newPtr := extractInterface(value.Interface()).word
decoder.valueDecoder.Decode(newPtr, iter)
*((*uintptr)(ptr)) = uintptr(newPtr)
} else {
//reuse existing instance
decoder.valueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter)
}
}
type OptionalEncoder struct {
ValueEncoder ValEncoder
}
func (encoder *OptionalEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if *((*unsafe.Pointer)(ptr)) == nil {
stream.WriteNil()
} else {
encoder.ValueEncoder.Encode(*((*unsafe.Pointer)(ptr)), stream)
}
}
func (encoder *OptionalEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *OptionalEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return *((*unsafe.Pointer)(ptr)) == nil
}
type optionalMapEncoder struct {
valueEncoder ValEncoder
}
func (encoder *optionalMapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if *((*unsafe.Pointer)(ptr)) == nil {
stream.WriteNil()
} else {
encoder.valueEncoder.Encode(*((*unsafe.Pointer)(ptr)), stream)
}
}
func (encoder *optionalMapEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *optionalMapEncoder) IsEmpty(ptr unsafe.Pointer) bool {
p := *((*unsafe.Pointer)(ptr))
return p == nil || encoder.valueEncoder.IsEmpty(p)
}
type placeholderEncoder struct {
cfg *frozenConfig
cacheKey reflect.Type
}
func (encoder *placeholderEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
encoder.getRealEncoder().Encode(ptr, stream)
}
func (encoder *placeholderEncoder) EncodeInterface(val interface{}, stream *Stream) {
encoder.getRealEncoder().EncodeInterface(val, stream)
}
func (encoder *placeholderEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.getRealEncoder().IsEmpty(ptr)
}
func (encoder *placeholderEncoder) getRealEncoder() ValEncoder {
for i := 0; i < 500; i++ {
realDecoder := encoder.cfg.getEncoderFromCache(encoder.cacheKey)
_, isPlaceholder := realDecoder.(*placeholderEncoder)
if isPlaceholder {
time.Sleep(10 * time.Millisecond)
} else {
return realDecoder
}
}
panic(fmt.Sprintf("real encoder not found for cache key: %v", encoder.cacheKey))
}
type placeholderDecoder struct {
cfg *frozenConfig
cacheKey reflect.Type
}
func (decoder *placeholderDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
for i := 0; i < 500; i++ {
realDecoder := decoder.cfg.getDecoderFromCache(decoder.cacheKey)
_, isPlaceholder := realDecoder.(*placeholderDecoder)
if isPlaceholder {
time.Sleep(10 * time.Millisecond)
} else {
realDecoder.Decode(ptr, iter)
return
}
}
panic(fmt.Sprintf("real decoder not found for cache key: %v", decoder.cacheKey))
}
// emptyInterface is the header for an interface{} value.
type emptyInterface struct {
typ unsafe.Pointer
word unsafe.Pointer
}
// emptyInterface is the header for an interface with method (not interface{})
type nonEmptyInterface struct {
// see ../runtime/iface.go:/Itab
itab *struct {
ityp unsafe.Pointer // static interface type
typ unsafe.Pointer // dynamic concrete type
link unsafe.Pointer
bad int32
unused int32
fun [100000]unsafe.Pointer // method table
}
word unsafe.Pointer
}
// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
func (iter *Iterator) ReadVal(obj interface{}) {
typ := reflect.TypeOf(obj)
cacheKey := typ.Elem()
decoder, err := decoderOfType(iter.cfg, cacheKey)
if err != nil {
iter.Error = err
return
}
e := (*emptyInterface)(unsafe.Pointer(&obj))
decoder.Decode(e.word, iter)
}
// WriteVal copy the go interface into underlying JSON, same as json.Marshal
func (stream *Stream) WriteVal(val interface{}) {
if nil == val {
stream.WriteNil()
return
}
typ := reflect.TypeOf(val)
cacheKey := typ
encoder, err := encoderOfType(stream.cfg, cacheKey)
if err != nil {
stream.Error = err
return
}
encoder.EncodeInterface(val, stream)
}
type prefix string
func (p prefix) addToDecoder(decoder ValDecoder, err error) (ValDecoder, error) {
if err != nil {
return nil, fmt.Errorf("%s: %s", p, err.Error())
}
return decoder, err
}
func (p prefix) addToEncoder(encoder ValEncoder, err error) (ValEncoder, error) {
if err != nil {
return nil, fmt.Errorf("%s: %s", p, err.Error())
}
return encoder, err
}
func decoderOfType(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
cacheKey := typ
decoder := cfg.getDecoderFromCache(cacheKey)
if decoder != nil {
return decoder, nil
}
decoder = getTypeDecoderFromExtension(cfg, typ)
if decoder != nil {
cfg.addDecoderToCache(cacheKey, decoder)
return decoder, nil
}
decoder = &placeholderDecoder{cfg: cfg, cacheKey: cacheKey}
cfg.addDecoderToCache(cacheKey, decoder)
decoder, err := createDecoderOfType(cfg, typ)
for _, extension := range extensions {
decoder = extension.DecorateDecoder(typ, decoder)
}
for _, extension := range cfg.extensions {
decoder = extension.DecorateDecoder(typ, decoder)
}
cfg.addDecoderToCache(cacheKey, decoder)
return decoder, err
}
func createDecoderOfType(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
typeName := typ.String()
if typ == jsonRawMessageType {
return &jsonRawMessageCodec{}, nil
}
if typ == jsoniterRawMessageType {
return &jsoniterRawMessageCodec{}, nil
}
if typ.AssignableTo(jsonNumberType) {
return &jsonNumberCodec{}, nil
}
if typ.AssignableTo(jsoniterNumberType) {
return &jsoniterNumberCodec{}, nil
}
if typ.Implements(unmarshalerType) {
templateInterface := reflect.New(typ).Elem().Interface()
var decoder ValDecoder = &unmarshalerDecoder{extractInterface(templateInterface)}
if typ.Kind() == reflect.Ptr {
decoder = &OptionalDecoder{typ.Elem(), decoder}
}
return decoder, nil
}
if reflect.PtrTo(typ).Implements(unmarshalerType) {
templateInterface := reflect.New(typ).Interface()
var decoder ValDecoder = &unmarshalerDecoder{extractInterface(templateInterface)}
return decoder, nil
}
if typ.Implements(textUnmarshalerType) {
templateInterface := reflect.New(typ).Elem().Interface()
var decoder ValDecoder = &textUnmarshalerDecoder{extractInterface(templateInterface)}
if typ.Kind() == reflect.Ptr {
decoder = &OptionalDecoder{typ.Elem(), decoder}
}
return decoder, nil
}
if reflect.PtrTo(typ).Implements(textUnmarshalerType) {
templateInterface := reflect.New(typ).Interface()
var decoder ValDecoder = &textUnmarshalerDecoder{extractInterface(templateInterface)}
return decoder, nil
}
if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 {
sliceDecoder, err := prefix("[slice]").addToDecoder(decoderOfSlice(cfg, typ))
if err != nil {
return nil, err
}
return &base64Codec{sliceDecoder: sliceDecoder}, nil
}
if typ.Implements(anyType) {
return &anyCodec{}, nil
}
switch typ.Kind() {
case reflect.String:
if typeName != "string" {
return decoderOfType(cfg, reflect.TypeOf((*string)(nil)).Elem())
}
return &stringCodec{}, nil
case reflect.Int:
if typeName != "int" {
return decoderOfType(cfg, reflect.TypeOf((*int)(nil)).Elem())
}
return &intCodec{}, nil
case reflect.Int8:
if typeName != "int8" {
return decoderOfType(cfg, reflect.TypeOf((*int8)(nil)).Elem())
}
return &int8Codec{}, nil
case reflect.Int16:
if typeName != "int16" {
return decoderOfType(cfg, reflect.TypeOf((*int16)(nil)).Elem())
}
return &int16Codec{}, nil
case reflect.Int32:
if typeName != "int32" {
return decoderOfType(cfg, reflect.TypeOf((*int32)(nil)).Elem())
}
return &int32Codec{}, nil
case reflect.Int64:
if typeName != "int64" {
return decoderOfType(cfg, reflect.TypeOf((*int64)(nil)).Elem())
}
return &int64Codec{}, nil
case reflect.Uint:
if typeName != "uint" {
return decoderOfType(cfg, reflect.TypeOf((*uint)(nil)).Elem())
}
return &uintCodec{}, nil
case reflect.Uint8:
if typeName != "uint8" {
return decoderOfType(cfg, reflect.TypeOf((*uint8)(nil)).Elem())
}
return &uint8Codec{}, nil
case reflect.Uint16:
if typeName != "uint16" {
return decoderOfType(cfg, reflect.TypeOf((*uint16)(nil)).Elem())
}
return &uint16Codec{}, nil
case reflect.Uint32:
if typeName != "uint32" {
return decoderOfType(cfg, reflect.TypeOf((*uint32)(nil)).Elem())
}
return &uint32Codec{}, nil
case reflect.Uintptr:
if typeName != "uintptr" {
return decoderOfType(cfg, reflect.TypeOf((*uintptr)(nil)).Elem())
}
return &uintptrCodec{}, nil
case reflect.Uint64:
if typeName != "uint64" {
return decoderOfType(cfg, reflect.TypeOf((*uint64)(nil)).Elem())
}
return &uint64Codec{}, nil
case reflect.Float32:
if typeName != "float32" {
return decoderOfType(cfg, reflect.TypeOf((*float32)(nil)).Elem())
}
return &float32Codec{}, nil
case reflect.Float64:
if typeName != "float64" {
return decoderOfType(cfg, reflect.TypeOf((*float64)(nil)).Elem())
}
return &float64Codec{}, nil
case reflect.Bool:
if typeName != "bool" {
return decoderOfType(cfg, reflect.TypeOf((*bool)(nil)).Elem())
}
return &boolCodec{}, nil
case reflect.Interface:
if typ.NumMethod() == 0 {
return &emptyInterfaceCodec{}, nil
}
return &nonEmptyInterfaceCodec{}, nil
case reflect.Struct:
return prefix(fmt.Sprintf("[%s]", typeName)).addToDecoder(decoderOfStruct(cfg, typ))
case reflect.Array:
return prefix("[array]").addToDecoder(decoderOfArray(cfg, typ))
case reflect.Slice:
return prefix("[slice]").addToDecoder(decoderOfSlice(cfg, typ))
case reflect.Map:
return prefix("[map]").addToDecoder(decoderOfMap(cfg, typ))
case reflect.Ptr:
return prefix("[optional]").addToDecoder(decoderOfOptional(cfg, typ))
default:
return nil, fmt.Errorf("unsupported type: %v", typ)
}
}
func encoderOfType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
cacheKey := typ
encoder := cfg.getEncoderFromCache(cacheKey)
if encoder != nil {
return encoder, nil
}
encoder = getTypeEncoderFromExtension(cfg, typ)
if encoder != nil {
cfg.addEncoderToCache(cacheKey, encoder)
return encoder, nil
}
encoder = &placeholderEncoder{cfg: cfg, cacheKey: cacheKey}
cfg.addEncoderToCache(cacheKey, encoder)
encoder, err := createEncoderOfType(cfg, typ)
for _, extension := range extensions {
encoder = extension.DecorateEncoder(typ, encoder)
}
for _, extension := range cfg.extensions {
encoder = extension.DecorateEncoder(typ, encoder)
}
cfg.addEncoderToCache(cacheKey, encoder)
return encoder, err
}
func createEncoderOfType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
if typ == jsonRawMessageType {
return &jsonRawMessageCodec{}, nil
}
if typ == jsoniterRawMessageType {
return &jsoniterRawMessageCodec{}, nil
}
if typ.AssignableTo(jsonNumberType) {
return &jsonNumberCodec{}, nil
}
if typ.AssignableTo(jsoniterNumberType) {
return &jsoniterNumberCodec{}, nil
}
if typ.Implements(marshalerType) {
checkIsEmpty, err := createCheckIsEmpty(cfg, typ)
if err != nil {
return nil, err
}
templateInterface := reflect.New(typ).Elem().Interface()
var encoder ValEncoder = &marshalerEncoder{
templateInterface: extractInterface(templateInterface),
checkIsEmpty: checkIsEmpty,
}
if typ.Kind() == reflect.Ptr {
encoder = &OptionalEncoder{encoder}
}
return encoder, nil
}
if reflect.PtrTo(typ).Implements(marshalerType) {
checkIsEmpty, err := createCheckIsEmpty(cfg, reflect.PtrTo(typ))
if err != nil {
return nil, err
}
templateInterface := reflect.New(typ).Interface()
var encoder ValEncoder = &marshalerEncoder{
templateInterface: extractInterface(templateInterface),
checkIsEmpty: checkIsEmpty,
}
return encoder, nil
}
if typ.Implements(textMarshalerType) {
checkIsEmpty, err := createCheckIsEmpty(cfg, typ)
if err != nil {
return nil, err
}
templateInterface := reflect.New(typ).Elem().Interface()
var encoder ValEncoder = &textMarshalerEncoder{
templateInterface: extractInterface(templateInterface),
checkIsEmpty: checkIsEmpty,
}
if typ.Kind() == reflect.Ptr {
encoder = &OptionalEncoder{encoder}
}
return encoder, nil
}
if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Uint8 {
return &base64Codec{}, nil
}
if typ.Implements(anyType) {
return &anyCodec{}, nil
}
return createEncoderOfSimpleType(cfg, typ)
}
func createCheckIsEmpty(cfg *frozenConfig, typ reflect.Type) (checkIsEmpty, error) {
kind := typ.Kind()
switch kind {
case reflect.String:
return &stringCodec{}, nil
case reflect.Int:
return &intCodec{}, nil
case reflect.Int8:
return &int8Codec{}, nil
case reflect.Int16:
return &int16Codec{}, nil
case reflect.Int32:
return &int32Codec{}, nil
case reflect.Int64:
return &int64Codec{}, nil
case reflect.Uint:
return &uintCodec{}, nil
case reflect.Uint8:
return &uint8Codec{}, nil
case reflect.Uint16:
return &uint16Codec{}, nil
case reflect.Uint32:
return &uint32Codec{}, nil
case reflect.Uintptr:
return &uintptrCodec{}, nil
case reflect.Uint64:
return &uint64Codec{}, nil
case reflect.Float32:
return &float32Codec{}, nil
case reflect.Float64:
return &float64Codec{}, nil
case reflect.Bool:
return &boolCodec{}, nil
case reflect.Interface:
if typ.NumMethod() == 0 {
return &emptyInterfaceCodec{}, nil
}
return &nonEmptyInterfaceCodec{}, nil
case reflect.Struct:
return &structEncoder{}, nil
case reflect.Array:
return &arrayEncoder{}, nil
case reflect.Slice:
return &sliceEncoder{}, nil
case reflect.Map:
return encoderOfMap(cfg, typ)
case reflect.Ptr:
return &OptionalEncoder{}, nil
default:
return nil, fmt.Errorf("unsupported type: %v", typ)
}
}
func createEncoderOfSimpleType(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
typeName := typ.String()
kind := typ.Kind()
switch kind {
case reflect.String:
if typeName != "string" {
return encoderOfType(cfg, reflect.TypeOf((*string)(nil)).Elem())
}
return &stringCodec{}, nil
case reflect.Int:
if typeName != "int" {
return encoderOfType(cfg, reflect.TypeOf((*int)(nil)).Elem())
}
return &intCodec{}, nil
case reflect.Int8:
if typeName != "int8" {
return encoderOfType(cfg, reflect.TypeOf((*int8)(nil)).Elem())
}
return &int8Codec{}, nil
case reflect.Int16:
if typeName != "int16" {
return encoderOfType(cfg, reflect.TypeOf((*int16)(nil)).Elem())
}
return &int16Codec{}, nil
case reflect.Int32:
if typeName != "int32" {
return encoderOfType(cfg, reflect.TypeOf((*int32)(nil)).Elem())
}
return &int32Codec{}, nil
case reflect.Int64:
if typeName != "int64" {
return encoderOfType(cfg, reflect.TypeOf((*int64)(nil)).Elem())
}
return &int64Codec{}, nil
case reflect.Uint:
if typeName != "uint" {
return encoderOfType(cfg, reflect.TypeOf((*uint)(nil)).Elem())
}
return &uintCodec{}, nil
case reflect.Uint8:
if typeName != "uint8" {
return encoderOfType(cfg, reflect.TypeOf((*uint8)(nil)).Elem())
}
return &uint8Codec{}, nil
case reflect.Uint16:
if typeName != "uint16" {
return encoderOfType(cfg, reflect.TypeOf((*uint16)(nil)).Elem())
}
return &uint16Codec{}, nil
case reflect.Uint32:
if typeName != "uint32" {
return encoderOfType(cfg, reflect.TypeOf((*uint32)(nil)).Elem())
}
return &uint32Codec{}, nil
case reflect.Uintptr:
if typeName != "uintptr" {
return encoderOfType(cfg, reflect.TypeOf((*uintptr)(nil)).Elem())
}
return &uintptrCodec{}, nil
case reflect.Uint64:
if typeName != "uint64" {
return encoderOfType(cfg, reflect.TypeOf((*uint64)(nil)).Elem())
}
return &uint64Codec{}, nil
case reflect.Float32:
if typeName != "float32" {
return encoderOfType(cfg, reflect.TypeOf((*float32)(nil)).Elem())
}
return &float32Codec{}, nil
case reflect.Float64:
if typeName != "float64" {
return encoderOfType(cfg, reflect.TypeOf((*float64)(nil)).Elem())
}
return &float64Codec{}, nil
case reflect.Bool:
if typeName != "bool" {
return encoderOfType(cfg, reflect.TypeOf((*bool)(nil)).Elem())
}
return &boolCodec{}, nil
case reflect.Interface:
if typ.NumMethod() == 0 {
return &emptyInterfaceCodec{}, nil
}
return &nonEmptyInterfaceCodec{}, nil
case reflect.Struct:
return prefix(fmt.Sprintf("[%s]", typeName)).addToEncoder(encoderOfStruct(cfg, typ))
case reflect.Array:
return prefix("[array]").addToEncoder(encoderOfArray(cfg, typ))
case reflect.Slice:
return prefix("[slice]").addToEncoder(encoderOfSlice(cfg, typ))
case reflect.Map:
return prefix("[map]").addToEncoder(encoderOfMap(cfg, typ))
case reflect.Ptr:
return prefix("[optional]").addToEncoder(encoderOfOptional(cfg, typ))
default:
return nil, fmt.Errorf("unsupported type: %v", typ)
}
}
func decoderOfOptional(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
elemType := typ.Elem()
decoder, err := decoderOfType(cfg, elemType)
if err != nil {
return nil, err
}
return &OptionalDecoder{elemType, decoder}, nil
}
func encoderOfOptional(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
elemType := typ.Elem()
elemEncoder, err := encoderOfType(cfg, elemType)
if err != nil {
return nil, err
}
encoder := &OptionalEncoder{elemEncoder}
if elemType.Kind() == reflect.Map {
encoder = &OptionalEncoder{encoder}
}
return encoder, nil
}
func decoderOfMap(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
decoder, err := decoderOfType(cfg, typ.Elem())
if err != nil {
return nil, err
}
mapInterface := reflect.New(typ).Interface()
return &mapDecoder{typ, typ.Key(), typ.Elem(), decoder, extractInterface(mapInterface)}, nil
}
func extractInterface(val interface{}) emptyInterface {
return *((*emptyInterface)(unsafe.Pointer(&val)))
}
func encoderOfMap(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
elemType := typ.Elem()
encoder, err := encoderOfType(cfg, elemType)
if err != nil {
return nil, err
}
mapInterface := reflect.New(typ).Elem().Interface()
if cfg.sortMapKeys {
return &sortKeysMapEncoder{typ, elemType, encoder, *((*emptyInterface)(unsafe.Pointer(&mapInterface)))}, nil
}
return &mapEncoder{typ, elemType, encoder, *((*emptyInterface)(unsafe.Pointer(&mapInterface)))}, nil
}

99
vendor/github.com/json-iterator/go/feature_reflect_array.go generated vendored
View File

@ -1,99 +0,0 @@
package jsoniter
import (
"fmt"
"io"
"reflect"
"unsafe"
)
func decoderOfArray(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
decoder, err := decoderOfType(cfg, typ.Elem())
if err != nil {
return nil, err
}
return &arrayDecoder{typ, typ.Elem(), decoder}, nil
}
func encoderOfArray(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
encoder, err := encoderOfType(cfg, typ.Elem())
if err != nil {
return nil, err
}
if typ.Elem().Kind() == reflect.Map {
encoder = &OptionalEncoder{encoder}
}
return &arrayEncoder{typ, typ.Elem(), encoder}, nil
}
type arrayEncoder struct {
arrayType reflect.Type
elemType reflect.Type
elemEncoder ValEncoder
}
func (encoder *arrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteArrayStart()
elemPtr := unsafe.Pointer(ptr)
encoder.elemEncoder.Encode(elemPtr, stream)
for i := 1; i < encoder.arrayType.Len(); i++ {
stream.WriteMore()
elemPtr = unsafe.Pointer(uintptr(elemPtr) + encoder.elemType.Size())
encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream)
}
stream.WriteArrayEnd()
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%v: %s", encoder.arrayType, stream.Error.Error())
}
}
func (encoder *arrayEncoder) EncodeInterface(val interface{}, stream *Stream) {
// special optimization for interface{}
e := (*emptyInterface)(unsafe.Pointer(&val))
if e.word == nil {
stream.WriteArrayStart()
stream.WriteNil()
stream.WriteArrayEnd()
return
}
elemType := encoder.arrayType.Elem()
if encoder.arrayType.Len() == 1 && (elemType.Kind() == reflect.Ptr || elemType.Kind() == reflect.Map) {
ptr := uintptr(e.word)
e.word = unsafe.Pointer(&ptr)
}
if reflect.TypeOf(val).Kind() == reflect.Ptr {
encoder.Encode(unsafe.Pointer(&e.word), stream)
} else {
encoder.Encode(e.word, stream)
}
}
func (encoder *arrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type arrayDecoder struct {
arrayType reflect.Type
elemType reflect.Type
elemDecoder ValDecoder
}
func (decoder *arrayDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.doDecode(ptr, iter)
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.arrayType, iter.Error.Error())
}
}
func (decoder *arrayDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) {
offset := uintptr(0)
iter.ReadArrayCB(func(iter *Iterator) bool {
if offset < decoder.arrayType.Size() {
decoder.elemDecoder.Decode(unsafe.Pointer(uintptr(ptr)+offset), iter)
offset += decoder.elemType.Size()
} else {
iter.Skip()
}
return true
})
}

244
vendor/github.com/json-iterator/go/feature_reflect_map.go generated vendored
View File

@ -1,244 +0,0 @@
package jsoniter
import (
"encoding"
"encoding/json"
"reflect"
"sort"
"strconv"
"unsafe"
)
type mapDecoder struct {
mapType reflect.Type
keyType reflect.Type
elemType reflect.Type
elemDecoder ValDecoder
mapInterface emptyInterface
}
func (decoder *mapDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
// dark magic to cast unsafe.Pointer back to interface{} using reflect.Type
mapInterface := decoder.mapInterface
mapInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&mapInterface))
realVal := reflect.ValueOf(*realInterface).Elem()
if iter.ReadNil() {
realVal.Set(reflect.Zero(decoder.mapType))
return
}
if realVal.IsNil() {
realVal.Set(reflect.MakeMap(realVal.Type()))
}
iter.ReadMapCB(func(iter *Iterator, keyStr string) bool {
elem := reflect.New(decoder.elemType)
decoder.elemDecoder.Decode(unsafe.Pointer(elem.Pointer()), iter)
// to put into map, we have to use reflection
keyType := decoder.keyType
// TODO: remove this from loop
switch {
case keyType.Kind() == reflect.String:
realVal.SetMapIndex(reflect.ValueOf(keyStr).Convert(keyType), elem.Elem())
return true
case keyType.Implements(textUnmarshalerType):
textUnmarshaler := reflect.New(keyType.Elem()).Interface().(encoding.TextUnmarshaler)
err := textUnmarshaler.UnmarshalText([]byte(keyStr))
if err != nil {
iter.ReportError("read map key as TextUnmarshaler", err.Error())
return false
}
realVal.SetMapIndex(reflect.ValueOf(textUnmarshaler), elem.Elem())
return true
case reflect.PtrTo(keyType).Implements(textUnmarshalerType):
textUnmarshaler := reflect.New(keyType).Interface().(encoding.TextUnmarshaler)
err := textUnmarshaler.UnmarshalText([]byte(keyStr))
if err != nil {
iter.ReportError("read map key as TextUnmarshaler", err.Error())
return false
}
realVal.SetMapIndex(reflect.ValueOf(textUnmarshaler).Elem(), elem.Elem())
return true
default:
switch keyType.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
n, err := strconv.ParseInt(keyStr, 10, 64)
if err != nil || reflect.Zero(keyType).OverflowInt(n) {
iter.ReportError("read map key as int64", "read int64 failed")
return false
}
realVal.SetMapIndex(reflect.ValueOf(n).Convert(keyType), elem.Elem())
return true
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
n, err := strconv.ParseUint(keyStr, 10, 64)
if err != nil || reflect.Zero(keyType).OverflowUint(n) {
iter.ReportError("read map key as uint64", "read uint64 failed")
return false
}
realVal.SetMapIndex(reflect.ValueOf(n).Convert(keyType), elem.Elem())
return true
}
}
iter.ReportError("read map key", "unexpected map key type "+keyType.String())
return true
})
}
type mapEncoder struct {
mapType reflect.Type
elemType reflect.Type
elemEncoder ValEncoder
mapInterface emptyInterface
}
func (encoder *mapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
mapInterface := encoder.mapInterface
mapInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&mapInterface))
realVal := reflect.ValueOf(*realInterface)
stream.WriteObjectStart()
for i, key := range realVal.MapKeys() {
if i != 0 {
stream.WriteMore()
}
encodeMapKey(key, stream)
if stream.indention > 0 {
stream.writeTwoBytes(byte(':'), byte(' '))
} else {
stream.writeByte(':')
}
val := realVal.MapIndex(key).Interface()
encoder.elemEncoder.EncodeInterface(val, stream)
}
stream.WriteObjectEnd()
}
func encodeMapKey(key reflect.Value, stream *Stream) {
if key.Kind() == reflect.String {
stream.WriteString(key.String())
return
}
if tm, ok := key.Interface().(encoding.TextMarshaler); ok {
buf, err := tm.MarshalText()
if err != nil {
stream.Error = err
return
}
stream.writeByte('"')
stream.Write(buf)
stream.writeByte('"')
return
}
switch key.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
stream.writeByte('"')
stream.WriteInt64(key.Int())
stream.writeByte('"')
return
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
stream.writeByte('"')
stream.WriteUint64(key.Uint())
stream.writeByte('"')
return
}
stream.Error = &json.UnsupportedTypeError{Type: key.Type()}
}
func (encoder *mapEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *mapEncoder) IsEmpty(ptr unsafe.Pointer) bool {
mapInterface := encoder.mapInterface
mapInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&mapInterface))
realVal := reflect.ValueOf(*realInterface)
return realVal.Len() == 0
}
type sortKeysMapEncoder struct {
mapType reflect.Type
elemType reflect.Type
elemEncoder ValEncoder
mapInterface emptyInterface
}
func (encoder *sortKeysMapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
mapInterface := encoder.mapInterface
mapInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&mapInterface))
realVal := reflect.ValueOf(*realInterface)
// Extract and sort the keys.
keys := realVal.MapKeys()
sv := stringValues(make([]reflectWithString, len(keys)))
for i, v := range keys {
sv[i].v = v
if err := sv[i].resolve(); err != nil {
stream.Error = err
return
}
}
sort.Sort(sv)
stream.WriteObjectStart()
for i, key := range sv {
if i != 0 {
stream.WriteMore()
}
stream.WriteVal(key.s) // might need html escape, so can not WriteString directly
if stream.indention > 0 {
stream.writeTwoBytes(byte(':'), byte(' '))
} else {
stream.writeByte(':')
}
val := realVal.MapIndex(key.v).Interface()
encoder.elemEncoder.EncodeInterface(val, stream)
}
stream.WriteObjectEnd()
}
// stringValues is a slice of reflect.Value holding *reflect.StringValue.
// It implements the methods to sort by string.
type stringValues []reflectWithString
type reflectWithString struct {
v reflect.Value
s string
}
func (w *reflectWithString) resolve() error {
if w.v.Kind() == reflect.String {
w.s = w.v.String()
return nil
}
if tm, ok := w.v.Interface().(encoding.TextMarshaler); ok {
buf, err := tm.MarshalText()
w.s = string(buf)
return err
}
switch w.v.Kind() {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
w.s = strconv.FormatInt(w.v.Int(), 10)
return nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
w.s = strconv.FormatUint(w.v.Uint(), 10)
return nil
}
return &json.UnsupportedTypeError{Type: w.v.Type()}
}
func (sv stringValues) Len() int { return len(sv) }
func (sv stringValues) Swap(i, j int) { sv[i], sv[j] = sv[j], sv[i] }
func (sv stringValues) Less(i, j int) bool { return sv[i].s < sv[j].s }
func (encoder *sortKeysMapEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *sortKeysMapEncoder) IsEmpty(ptr unsafe.Pointer) bool {
mapInterface := encoder.mapInterface
mapInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&mapInterface))
realVal := reflect.ValueOf(*realInterface)
return realVal.Len() == 0
}

764
vendor/github.com/json-iterator/go/feature_reflect_native.go generated vendored
View File

@ -1,764 +0,0 @@
package jsoniter
import (
"encoding"
"encoding/base64"
"encoding/json"
"reflect"
"unsafe"
)
type stringCodec struct {
}
func (codec *stringCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*string)(ptr)) = iter.ReadString()
}
func (codec *stringCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
str := *((*string)(ptr))
stream.WriteString(str)
}
func (codec *stringCodec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *stringCodec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*string)(ptr)) == ""
}
type intCodec struct {
}
func (codec *intCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int)(ptr)) = iter.ReadInt()
}
}
func (codec *intCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt(*((*int)(ptr)))
}
func (codec *intCodec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *intCodec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int)(ptr)) == 0
}
type uintptrCodec struct {
}
func (codec *uintptrCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uintptr)(ptr)) = uintptr(iter.ReadUint64())
}
}
func (codec *uintptrCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint64(uint64(*((*uintptr)(ptr))))
}
func (codec *uintptrCodec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *uintptrCodec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uintptr)(ptr)) == 0
}
type int8Codec struct {
}
func (codec *int8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int8)(ptr)) = iter.ReadInt8()
}
}
func (codec *int8Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt8(*((*int8)(ptr)))
}
func (codec *int8Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *int8Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int8)(ptr)) == 0
}
type int16Codec struct {
}
func (codec *int16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int16)(ptr)) = iter.ReadInt16()
}
}
func (codec *int16Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt16(*((*int16)(ptr)))
}
func (codec *int16Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *int16Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int16)(ptr)) == 0
}
type int32Codec struct {
}
func (codec *int32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int32)(ptr)) = iter.ReadInt32()
}
}
func (codec *int32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt32(*((*int32)(ptr)))
}
func (codec *int32Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *int32Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int32)(ptr)) == 0
}
type int64Codec struct {
}
func (codec *int64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int64)(ptr)) = iter.ReadInt64()
}
}
func (codec *int64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt64(*((*int64)(ptr)))
}
func (codec *int64Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *int64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int64)(ptr)) == 0
}
type uintCodec struct {
}
func (codec *uintCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint)(ptr)) = iter.ReadUint()
return
}
}
func (codec *uintCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint(*((*uint)(ptr)))
}
func (codec *uintCodec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *uintCodec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint)(ptr)) == 0
}
type uint8Codec struct {
}
func (codec *uint8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint8)(ptr)) = iter.ReadUint8()
}
}
func (codec *uint8Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint8(*((*uint8)(ptr)))
}
func (codec *uint8Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *uint8Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint8)(ptr)) == 0
}
type uint16Codec struct {
}
func (codec *uint16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint16)(ptr)) = iter.ReadUint16()
}
}
func (codec *uint16Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint16(*((*uint16)(ptr)))
}
func (codec *uint16Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *uint16Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint16)(ptr)) == 0
}
type uint32Codec struct {
}
func (codec *uint32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint32)(ptr)) = iter.ReadUint32()
}
}
func (codec *uint32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint32(*((*uint32)(ptr)))
}
func (codec *uint32Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *uint32Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint32)(ptr)) == 0
}
type uint64Codec struct {
}
func (codec *uint64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint64)(ptr)) = iter.ReadUint64()
}
}
func (codec *uint64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint64(*((*uint64)(ptr)))
}
func (codec *uint64Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *uint64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint64)(ptr)) == 0
}
type float32Codec struct {
}
func (codec *float32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*float32)(ptr)) = iter.ReadFloat32()
}
}
func (codec *float32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteFloat32(*((*float32)(ptr)))
}
func (codec *float32Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *float32Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*float32)(ptr)) == 0
}
type float64Codec struct {
}
func (codec *float64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*float64)(ptr)) = iter.ReadFloat64()
}
}
func (codec *float64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteFloat64(*((*float64)(ptr)))
}
func (codec *float64Codec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *float64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*float64)(ptr)) == 0
}
type boolCodec struct {
}
func (codec *boolCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*bool)(ptr)) = iter.ReadBool()
}
}
func (codec *boolCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteBool(*((*bool)(ptr)))
}
func (codec *boolCodec) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, codec)
}
func (codec *boolCodec) IsEmpty(ptr unsafe.Pointer) bool {
return !(*((*bool)(ptr)))
}
type emptyInterfaceCodec struct {
}
func (codec *emptyInterfaceCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
existing := *((*interface{})(ptr))
// Checking for both typed and untyped nil pointers.
if existing != nil &&
reflect.TypeOf(existing).Kind() == reflect.Ptr &&
!reflect.ValueOf(existing).IsNil() {
var ptrToExisting interface{}
for {
elem := reflect.ValueOf(existing).Elem()
if elem.Kind() != reflect.Ptr || elem.IsNil() {
break
}
ptrToExisting = existing
existing = elem.Interface()
}
if iter.ReadNil() {
if ptrToExisting != nil {
nilPtr := reflect.Zero(reflect.TypeOf(ptrToExisting).Elem())
reflect.ValueOf(ptrToExisting).Elem().Set(nilPtr)
} else {
*((*interface{})(ptr)) = nil
}
} else {
iter.ReadVal(existing)
}
return
}
if iter.ReadNil() {
*((*interface{})(ptr)) = nil
} else {
*((*interface{})(ptr)) = iter.Read()
}
}
func (codec *emptyInterfaceCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteVal(*((*interface{})(ptr)))
}
func (codec *emptyInterfaceCodec) EncodeInterface(val interface{}, stream *Stream) {
stream.WriteVal(val)
}
func (codec *emptyInterfaceCodec) IsEmpty(ptr unsafe.Pointer) bool {
emptyInterface := (*emptyInterface)(ptr)
return emptyInterface.typ == nil
}
type nonEmptyInterfaceCodec struct {
}
func (codec *nonEmptyInterfaceCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
nonEmptyInterface := (*nonEmptyInterface)(ptr)
if nonEmptyInterface.itab == nil {
iter.ReportError("read non-empty interface", "do not know which concrete type to decode to")
return
}
var i interface{}
e := (*emptyInterface)(unsafe.Pointer(&i))
e.typ = nonEmptyInterface.itab.typ
e.word = nonEmptyInterface.word
iter.ReadVal(&i)
if e.word == nil {
nonEmptyInterface.itab = nil
}
nonEmptyInterface.word = e.word
}
func (codec *nonEmptyInterfaceCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
nonEmptyInterface := (*nonEmptyInterface)(ptr)
var i interface{}
if nonEmptyInterface.itab != nil {
e := (*emptyInterface)(unsafe.Pointer(&i))
e.typ = nonEmptyInterface.itab.typ
e.word = nonEmptyInterface.word
}
stream.WriteVal(i)
}
func (codec *nonEmptyInterfaceCodec) EncodeInterface(val interface{}, stream *Stream) {
stream.WriteVal(val)
}
func (codec *nonEmptyInterfaceCodec) IsEmpty(ptr unsafe.Pointer) bool {
nonEmptyInterface := (*nonEmptyInterface)(ptr)
return nonEmptyInterface.word == nil
}
type anyCodec struct {
}
func (codec *anyCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*Any)(ptr)) = iter.ReadAny()
}
func (codec *anyCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
(*((*Any)(ptr))).WriteTo(stream)
}
func (codec *anyCodec) EncodeInterface(val interface{}, stream *Stream) {
(val.(Any)).WriteTo(stream)
}
func (codec *anyCodec) IsEmpty(ptr unsafe.Pointer) bool {
return (*((*Any)(ptr))).Size() == 0
}
type jsonNumberCodec struct {
}
func (codec *jsonNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
switch iter.WhatIsNext() {
case StringValue:
*((*json.Number)(ptr)) = json.Number(iter.ReadString())
case NilValue:
iter.skipFourBytes('n', 'u', 'l', 'l')
*((*json.Number)(ptr)) = ""
default:
*((*json.Number)(ptr)) = json.Number([]byte(iter.readNumberAsString()))
}
}
func (codec *jsonNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteRaw(string(*((*json.Number)(ptr))))
}
func (codec *jsonNumberCodec) EncodeInterface(val interface{}, stream *Stream) {
stream.WriteRaw(string(val.(json.Number)))
}
func (codec *jsonNumberCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*json.Number)(ptr))) == 0
}
type jsoniterNumberCodec struct {
}
func (codec *jsoniterNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
switch iter.WhatIsNext() {
case StringValue:
*((*Number)(ptr)) = Number(iter.ReadString())
case NilValue:
iter.skipFourBytes('n', 'u', 'l', 'l')
*((*Number)(ptr)) = ""
default:
*((*Number)(ptr)) = Number([]byte(iter.readNumberAsString()))
}
}
func (codec *jsoniterNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteRaw(string(*((*Number)(ptr))))
}
func (codec *jsoniterNumberCodec) EncodeInterface(val interface{}, stream *Stream) {
stream.WriteRaw(string(val.(Number)))
}
func (codec *jsoniterNumberCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*Number)(ptr))) == 0
}
type jsonRawMessageCodec struct {
}
func (codec *jsonRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*json.RawMessage)(ptr)) = json.RawMessage(iter.SkipAndReturnBytes())
}
func (codec *jsonRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteRaw(string(*((*json.RawMessage)(ptr))))
}
func (codec *jsonRawMessageCodec) EncodeInterface(val interface{}, stream *Stream) {
stream.WriteRaw(string(val.(json.RawMessage)))
}
func (codec *jsonRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*json.RawMessage)(ptr))) == 0
}
type jsoniterRawMessageCodec struct {
}
func (codec *jsoniterRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*RawMessage)(ptr)) = RawMessage(iter.SkipAndReturnBytes())
}
func (codec *jsoniterRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteRaw(string(*((*RawMessage)(ptr))))
}
func (codec *jsoniterRawMessageCodec) EncodeInterface(val interface{}, stream *Stream) {
stream.WriteRaw(string(val.(RawMessage)))
}
func (codec *jsoniterRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*RawMessage)(ptr))) == 0
}
type base64Codec struct {
sliceDecoder ValDecoder
}
func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.ReadNil() {
ptrSlice := (*sliceHeader)(ptr)
ptrSlice.Len = 0
ptrSlice.Cap = 0
ptrSlice.Data = nil
return
}
switch iter.WhatIsNext() {
case StringValue:
encoding := base64.StdEncoding
src := iter.SkipAndReturnBytes()
src = src[1 : len(src)-1]
decodedLen := encoding.DecodedLen(len(src))
dst := make([]byte, decodedLen)
len, err := encoding.Decode(dst, src)
if err != nil {
iter.ReportError("decode base64", err.Error())
} else {
dst = dst[:len]
dstSlice := (*sliceHeader)(unsafe.Pointer(&dst))
ptrSlice := (*sliceHeader)(ptr)
ptrSlice.Data = dstSlice.Data
ptrSlice.Cap = dstSlice.Cap
ptrSlice.Len = dstSlice.Len
}
case ArrayValue:
codec.sliceDecoder.Decode(ptr, iter)
default:
iter.ReportError("base64Codec", "invalid input")
}
}
func (codec *base64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
src := *((*[]byte)(ptr))
if len(src) == 0 {
stream.WriteNil()
return
}
encoding := base64.StdEncoding
stream.writeByte('"')
toGrow := encoding.EncodedLen(len(src))
stream.ensure(toGrow)
encoding.Encode(stream.buf[stream.n:], src)
stream.n += toGrow
stream.writeByte('"')
}
func (codec *base64Codec) EncodeInterface(val interface{}, stream *Stream) {
ptr := extractInterface(val).word
src := *((*[]byte)(ptr))
if len(src) == 0 {
stream.WriteNil()
return
}
encoding := base64.StdEncoding
stream.writeByte('"')
toGrow := encoding.EncodedLen(len(src))
stream.ensure(toGrow)
encoding.Encode(stream.buf[stream.n:], src)
stream.n += toGrow
stream.writeByte('"')
}
func (codec *base64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*[]byte)(ptr))) == 0
}
type stringModeNumberDecoder struct {
elemDecoder ValDecoder
}
func (decoder *stringModeNumberDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
c := iter.nextToken()
if c != '"' {
iter.ReportError("stringModeNumberDecoder", `expect ", but found `+string([]byte{c}))
return
}
decoder.elemDecoder.Decode(ptr, iter)
if iter.Error != nil {
return
}
c = iter.readByte()
if c != '"' {
iter.ReportError("stringModeNumberDecoder", `expect ", but found `+string([]byte{c}))
return
}
}
type stringModeStringDecoder struct {
elemDecoder ValDecoder
cfg *frozenConfig
}
func (decoder *stringModeStringDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.elemDecoder.Decode(ptr, iter)
str := *((*string)(ptr))
tempIter := decoder.cfg.BorrowIterator([]byte(str))
defer decoder.cfg.ReturnIterator(tempIter)
*((*string)(ptr)) = tempIter.ReadString()
}
type stringModeNumberEncoder struct {
elemEncoder ValEncoder
}
func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.writeByte('"')
encoder.elemEncoder.Encode(ptr, stream)
stream.writeByte('"')
}
func (encoder *stringModeNumberEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.elemEncoder.IsEmpty(ptr)
}
type stringModeStringEncoder struct {
elemEncoder ValEncoder
cfg *frozenConfig
}
func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
tempStream := encoder.cfg.BorrowStream(nil)
defer encoder.cfg.ReturnStream(tempStream)
encoder.elemEncoder.Encode(ptr, tempStream)
stream.WriteString(string(tempStream.Buffer()))
}
func (encoder *stringModeStringEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.elemEncoder.IsEmpty(ptr)
}
type marshalerEncoder struct {
templateInterface emptyInterface
checkIsEmpty checkIsEmpty
}
func (encoder *marshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
templateInterface := encoder.templateInterface
templateInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&templateInterface))
marshaler, ok := (*realInterface).(json.Marshaler)
if !ok {
stream.WriteVal(nil)
return
}
bytes, err := marshaler.MarshalJSON()
if err != nil {
stream.Error = err
} else {
stream.Write(bytes)
}
}
func (encoder *marshalerEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *marshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.checkIsEmpty.IsEmpty(ptr)
}
type textMarshalerEncoder struct {
templateInterface emptyInterface
checkIsEmpty checkIsEmpty
}
func (encoder *textMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
templateInterface := encoder.templateInterface
templateInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&templateInterface))
marshaler := (*realInterface).(encoding.TextMarshaler)
bytes, err := marshaler.MarshalText()
if err != nil {
stream.Error = err
} else {
stream.WriteString(string(bytes))
}
}
func (encoder *textMarshalerEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *textMarshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.checkIsEmpty.IsEmpty(ptr)
}
type unmarshalerDecoder struct {
templateInterface emptyInterface
}
func (decoder *unmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
templateInterface := decoder.templateInterface
templateInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&templateInterface))
unmarshaler := (*realInterface).(json.Unmarshaler)
iter.nextToken()
iter.unreadByte() // skip spaces
bytes := iter.SkipAndReturnBytes()
err := unmarshaler.UnmarshalJSON(bytes)
if err != nil {
iter.ReportError("unmarshalerDecoder", err.Error())
}
}
type textUnmarshalerDecoder struct {
templateInterface emptyInterface
}
func (decoder *textUnmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
templateInterface := decoder.templateInterface
templateInterface.word = ptr
realInterface := (*interface{})(unsafe.Pointer(&templateInterface))
unmarshaler := (*realInterface).(encoding.TextUnmarshaler)
str := iter.ReadString()
err := unmarshaler.UnmarshalText([]byte(str))
if err != nil {
iter.ReportError("textUnmarshalerDecoder", err.Error())
}
}

147
vendor/github.com/json-iterator/go/feature_reflect_slice.go generated vendored
View File

@ -1,147 +0,0 @@
package jsoniter
import (
"fmt"
"io"
"reflect"
"unsafe"
)
func decoderOfSlice(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
decoder, err := decoderOfType(cfg, typ.Elem())
if err != nil {
return nil, err
}
return &sliceDecoder{typ, typ.Elem(), decoder}, nil
}
func encoderOfSlice(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
encoder, err := encoderOfType(cfg, typ.Elem())
if err != nil {
return nil, err
}
if typ.Elem().Kind() == reflect.Map {
encoder = &OptionalEncoder{encoder}
}
return &sliceEncoder{typ, typ.Elem(), encoder}, nil
}
type sliceEncoder struct {
sliceType reflect.Type
elemType reflect.Type
elemEncoder ValEncoder
}
func (encoder *sliceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
slice := (*sliceHeader)(ptr)
if slice.Data == nil {
stream.WriteNil()
return
}
if slice.Len == 0 {
stream.WriteEmptyArray()
return
}
stream.WriteArrayStart()
elemPtr := unsafe.Pointer(slice.Data)
encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream)
for i := 1; i < slice.Len; i++ {
stream.WriteMore()
elemPtr = unsafe.Pointer(uintptr(elemPtr) + encoder.elemType.Size())
encoder.elemEncoder.Encode(unsafe.Pointer(elemPtr), stream)
}
stream.WriteArrayEnd()
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%v: %s", encoder.sliceType, stream.Error.Error())
}
}
func (encoder *sliceEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *sliceEncoder) IsEmpty(ptr unsafe.Pointer) bool {
slice := (*sliceHeader)(ptr)
return slice.Len == 0
}
type sliceDecoder struct {
sliceType reflect.Type
elemType reflect.Type
elemDecoder ValDecoder
}
// sliceHeader is a safe version of SliceHeader used within this package.
type sliceHeader struct {
Data unsafe.Pointer
Len int
Cap int
}
func (decoder *sliceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.doDecode(ptr, iter)
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.sliceType, iter.Error.Error())
}
}
func (decoder *sliceDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) {
slice := (*sliceHeader)(ptr)
if iter.ReadNil() {
slice.Len = 0
slice.Cap = 0
slice.Data = nil
return
}
reuseSlice(slice, decoder.sliceType, 4)
slice.Len = 0
offset := uintptr(0)
iter.ReadArrayCB(func(iter *Iterator) bool {
growOne(slice, decoder.sliceType, decoder.elemType)
decoder.elemDecoder.Decode(unsafe.Pointer(uintptr(slice.Data)+offset), iter)
offset += decoder.elemType.Size()
return true
})
}
// grow grows the slice s so that it can hold extra more values, allocating
// more capacity if needed. It also returns the old and new slice lengths.
func growOne(slice *sliceHeader, sliceType reflect.Type, elementType reflect.Type) {
newLen := slice.Len + 1
if newLen <= slice.Cap {
slice.Len = newLen
return
}
newCap := slice.Cap
if newCap == 0 {
newCap = 1
} else {
for newCap < newLen {
if slice.Len < 1024 {
newCap += newCap
} else {
newCap += newCap / 4
}
}
}
newVal := reflect.MakeSlice(sliceType, newLen, newCap)
dst := unsafe.Pointer(newVal.Pointer())
// copy old array into new array
originalBytesCount := slice.Len * int(elementType.Size())
srcSliceHeader := (unsafe.Pointer)(&sliceHeader{slice.Data, originalBytesCount, originalBytesCount})
dstSliceHeader := (unsafe.Pointer)(&sliceHeader{dst, originalBytesCount, originalBytesCount})
copy(*(*[]byte)(dstSliceHeader), *(*[]byte)(srcSliceHeader))
slice.Data = dst
slice.Len = newLen
slice.Cap = newCap
}
func reuseSlice(slice *sliceHeader, sliceType reflect.Type, expectedCap int) {
if expectedCap <= slice.Cap {
return
}
newVal := reflect.MakeSlice(sliceType, 0, expectedCap)
dst := unsafe.Pointer(newVal.Pointer())
slice.Data = dst
slice.Cap = expectedCap
}

320
vendor/github.com/json-iterator/go/feature_stream_int.go generated vendored
View File

@ -1,320 +0,0 @@
package jsoniter
var digits []uint32
func init() {
digits = make([]uint32, 1000)
for i := uint32(0); i < 1000; i++ {
digits[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i%10 + '0'
if i < 10 {
digits[i] += 2 << 24
} else if i < 100 {
digits[i] += 1 << 24
}
}
}
func writeFirstBuf(buf []byte, v uint32, n int) int {
start := v >> 24
if start == 0 {
buf[n] = byte(v >> 16)
n++
buf[n] = byte(v >> 8)
n++
} else if start == 1 {
buf[n] = byte(v >> 8)
n++
}
buf[n] = byte(v)
n++
return n
}
func writeBuf(buf []byte, v uint32, n int) {
buf[n] = byte(v >> 16)
buf[n+1] = byte(v >> 8)
buf[n+2] = byte(v)
}
// WriteUint8 write uint8 to stream
func (stream *Stream) WriteUint8(val uint8) {
stream.ensure(3)
stream.n = writeFirstBuf(stream.buf, digits[val], stream.n)
}
// WriteInt8 write int8 to stream
func (stream *Stream) WriteInt8(nval int8) {
stream.ensure(4)
n := stream.n
var val uint8
if nval < 0 {
val = uint8(-nval)
stream.buf[n] = '-'
n++
} else {
val = uint8(nval)
}
stream.n = writeFirstBuf(stream.buf, digits[val], n)
}
// WriteUint16 write uint16 to stream
func (stream *Stream) WriteUint16(val uint16) {
stream.ensure(5)
q1 := val / 1000
if q1 == 0 {
stream.n = writeFirstBuf(stream.buf, digits[val], stream.n)
return
}
r1 := val - q1*1000
n := writeFirstBuf(stream.buf, digits[q1], stream.n)
writeBuf(stream.buf, digits[r1], n)
stream.n = n + 3
return
}
// WriteInt16 write int16 to stream
func (stream *Stream) WriteInt16(nval int16) {
stream.ensure(6)
n := stream.n
var val uint16
if nval < 0 {
val = uint16(-nval)
stream.buf[n] = '-'
n++
} else {
val = uint16(nval)
}
q1 := val / 1000
if q1 == 0 {
stream.n = writeFirstBuf(stream.buf, digits[val], n)
return
}
r1 := val - q1*1000
n = writeFirstBuf(stream.buf, digits[q1], n)
writeBuf(stream.buf, digits[r1], n)
stream.n = n + 3
return
}
// WriteUint32 write uint32 to stream
func (stream *Stream) WriteUint32(val uint32) {
stream.ensure(10)
n := stream.n
q1 := val / 1000
if q1 == 0 {
stream.n = writeFirstBuf(stream.buf, digits[val], n)
return
}
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, digits[q1], n)
writeBuf(stream.buf, digits[r1], n)
stream.n = n + 3
return
}
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, digits[q2], n)
} else {
r3 := q2 - q3*1000
stream.buf[n] = byte(q3 + '0')
n++
writeBuf(stream.buf, digits[r3], n)
n += 3
}
writeBuf(stream.buf, digits[r2], n)
writeBuf(stream.buf, digits[r1], n+3)
stream.n = n + 6
}
// WriteInt32 write int32 to stream
func (stream *Stream) WriteInt32(nval int32) {
stream.ensure(11)
n := stream.n
var val uint32
if nval < 0 {
val = uint32(-nval)
stream.buf[n] = '-'
n++
} else {
val = uint32(nval)
}
q1 := val / 1000
if q1 == 0 {
stream.n = writeFirstBuf(stream.buf, digits[val], n)
return
}
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, digits[q1], n)
writeBuf(stream.buf, digits[r1], n)
stream.n = n + 3
return
}
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, digits[q2], n)
} else {
r3 := q2 - q3*1000
stream.buf[n] = byte(q3 + '0')
n++
writeBuf(stream.buf, digits[r3], n)
n += 3
}
writeBuf(stream.buf, digits[r2], n)
writeBuf(stream.buf, digits[r1], n+3)
stream.n = n + 6
}
// WriteUint64 write uint64 to stream
func (stream *Stream) WriteUint64(val uint64) {
stream.ensure(20)
n := stream.n
q1 := val / 1000
if q1 == 0 {
stream.n = writeFirstBuf(stream.buf, digits[val], n)
return
}
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, digits[q1], n)
writeBuf(stream.buf, digits[r1], n)
stream.n = n + 3
return
}
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, digits[q2], n)
writeBuf(stream.buf, digits[r2], n)
writeBuf(stream.buf, digits[r1], n+3)
stream.n = n + 6
return
}
r3 := q2 - q3*1000
q4 := q3 / 1000
if q4 == 0 {
n = writeFirstBuf(stream.buf, digits[q3], n)
writeBuf(stream.buf, digits[r3], n)
writeBuf(stream.buf, digits[r2], n+3)
writeBuf(stream.buf, digits[r1], n+6)
stream.n = n + 9
return
}
r4 := q3 - q4*1000
q5 := q4 / 1000
if q5 == 0 {
n = writeFirstBuf(stream.buf, digits[q4], n)
writeBuf(stream.buf, digits[r4], n)
writeBuf(stream.buf, digits[r3], n+3)
writeBuf(stream.buf, digits[r2], n+6)
writeBuf(stream.buf, digits[r1], n+9)
stream.n = n + 12
return
}
r5 := q4 - q5*1000
q6 := q5 / 1000
if q6 == 0 {
n = writeFirstBuf(stream.buf, digits[q5], n)
} else {
n = writeFirstBuf(stream.buf, digits[q6], n)
r6 := q5 - q6*1000
writeBuf(stream.buf, digits[r6], n)
n += 3
}
writeBuf(stream.buf, digits[r5], n)
writeBuf(stream.buf, digits[r4], n+3)
writeBuf(stream.buf, digits[r3], n+6)
writeBuf(stream.buf, digits[r2], n+9)
writeBuf(stream.buf, digits[r1], n+12)
stream.n = n + 15
}
// WriteInt64 write int64 to stream
func (stream *Stream) WriteInt64(nval int64) {
stream.ensure(20)
n := stream.n
var val uint64
if nval < 0 {
val = uint64(-nval)
stream.buf[n] = '-'
n++
} else {
val = uint64(nval)
}
q1 := val / 1000
if q1 == 0 {
stream.n = writeFirstBuf(stream.buf, digits[val], n)
return
}
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
n := writeFirstBuf(stream.buf, digits[q1], n)
writeBuf(stream.buf, digits[r1], n)
stream.n = n + 3
return
}
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
n = writeFirstBuf(stream.buf, digits[q2], n)
writeBuf(stream.buf, digits[r2], n)
writeBuf(stream.buf, digits[r1], n+3)
stream.n = n + 6
return
}
r3 := q2 - q3*1000
q4 := q3 / 1000
if q4 == 0 {
n = writeFirstBuf(stream.buf, digits[q3], n)
writeBuf(stream.buf, digits[r3], n)
writeBuf(stream.buf, digits[r2], n+3)
writeBuf(stream.buf, digits[r1], n+6)
stream.n = n + 9
return
}
r4 := q3 - q4*1000
q5 := q4 / 1000
if q5 == 0 {
n = writeFirstBuf(stream.buf, digits[q4], n)
writeBuf(stream.buf, digits[r4], n)
writeBuf(stream.buf, digits[r3], n+3)
writeBuf(stream.buf, digits[r2], n+6)
writeBuf(stream.buf, digits[r1], n+9)
stream.n = n + 12
return
}
r5 := q4 - q5*1000
q6 := q5 / 1000
if q6 == 0 {
n = writeFirstBuf(stream.buf, digits[q5], n)
} else {
stream.buf[n] = byte(q6 + '0')
n++
r6 := q5 - q6*1000
writeBuf(stream.buf, digits[r6], n)
n += 3
}
writeBuf(stream.buf, digits[r5], n)
writeBuf(stream.buf, digits[r4], n+3)
writeBuf(stream.buf, digits[r3], n+6)
writeBuf(stream.buf, digits[r2], n+9)
writeBuf(stream.buf, digits[r1], n+12)
stream.n = n + 15
}
// WriteInt write int to stream
func (stream *Stream) WriteInt(val int) {
stream.WriteInt64(int64(val))
}
// WriteUint write uint to stream
func (stream *Stream) WriteUint(val uint) {
stream.WriteUint64(uint64(val))
}

0
vendor/github.com/json-iterator/go/feature_iter.go → vendor/github.com/json-iterator/go/iter.go generated vendored
View File

0
vendor/github.com/json-iterator/go/feature_iter_array.go → vendor/github.com/json-iterator/go/iter_array.go generated vendored
View File

6
vendor/github.com/json-iterator/go/feature_iter_float.go → vendor/github.com/json-iterator/go/iter_float.go generated vendored
View File

@ -1,6 +1,7 @@
package jsoniter
import (
"encoding/json"
"io"
"math/big"
"strconv"
@ -339,3 +340,8 @@ func validateFloat(str string) string {
}
return ""
}
// ReadNumber read json.Number
func (iter *Iterator) ReadNumber() (ret json.Number) {
return json.Number(iter.readNumberAsString())
}

6
vendor/github.com/json-iterator/go/feature_iter_int.go → vendor/github.com/json-iterator/go/iter_int.go generated vendored
View File

@ -22,11 +22,17 @@ func init() {
// ReadUint read uint
func (iter *Iterator) ReadUint() uint {
if strconv.IntSize == 32 {
return uint(iter.ReadUint32())
}
return uint(iter.ReadUint64())
}
// ReadInt read int
func (iter *Iterator) ReadInt() int {
if strconv.IntSize == 32 {
return int(iter.ReadInt32())
}
return int(iter.ReadInt64())
}

141
vendor/github.com/json-iterator/go/feature_iter_object.go → vendor/github.com/json-iterator/go/iter_object.go generated vendored
View File

@ -3,7 +3,6 @@ package jsoniter
import (
"fmt"
"unicode"
"unsafe"
)
// ReadObject read one field from object.
@ -19,26 +18,6 @@ func (iter *Iterator) ReadObject() (ret string) {
c = iter.nextToken()
if c == '"' {
iter.unreadByte()
if iter.cfg.objectFieldMustBeSimpleString {
return string(iter.readObjectFieldAsBytes())
} else {
field := iter.ReadString()
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
return field
}
}
if c == '}' {
return "" // end of object
}
iter.ReportError("ReadObject", `expect " after {, but found `+string([]byte{c}))
return
case ',':
if iter.cfg.objectFieldMustBeSimpleString {
return string(iter.readObjectFieldAsBytes())
} else {
field := iter.ReadString()
c = iter.nextToken()
if c != ':' {
@ -46,6 +25,18 @@ func (iter *Iterator) ReadObject() (ret string) {
}
return field
}
if c == '}' {
return "" // end of object
}
iter.ReportError("ReadObject", `expect " after {, but found `+string([]byte{c}))
return
case ',':
field := iter.ReadString()
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
return field
case '}':
return "" // end of object
default:
@ -54,97 +45,87 @@ func (iter *Iterator) ReadObject() (ret string) {
}
}
func (iter *Iterator) readFieldHash() int32 {
// CaseInsensitive
func (iter *Iterator) readFieldHash() int64 {
hash := int64(0x811c9dc5)
c := iter.nextToken()
if c == '"' {
for {
for i := iter.head; i < iter.tail; i++ {
// require ascii string and no escape
b := iter.buf[i]
if !iter.cfg.objectFieldMustBeSimpleString && b == '\\' {
iter.head = i
for _, b := range iter.readStringSlowPath() {
if 'A' <= b && b <= 'Z' {
b += 'a' - 'A'
}
hash ^= int64(b)
hash *= 0x1000193
if c != '"' {
iter.ReportError("readFieldHash", `expect ", but found `+string([]byte{c}))
return 0
}
for {
for i := iter.head; i < iter.tail; i++ {
// require ascii string and no escape
b := iter.buf[i]
if b == '\\' {
iter.head = i
for _, b := range iter.readStringSlowPath() {
if 'A' <= b && b <= 'Z' {
b += 'a' - 'A'
}
c = iter.nextToken()
if c != ':' {
iter.ReportError("readFieldHash", `expect :, but found `+string([]byte{c}))
return 0
}
return int32(hash)
hash ^= int64(b)
hash *= 0x1000193
}
if b == '"' {
iter.head = i + 1
c = iter.nextToken()
if c != ':' {
iter.ReportError("readFieldHash", `expect :, but found `+string([]byte{c}))
return 0
}
return int32(hash)
c = iter.nextToken()
if c != ':' {
iter.ReportError("readFieldHash", `expect :, but found `+string([]byte{c}))
return 0
}
if 'A' <= b && b <= 'Z' {
b += 'a' - 'A'
}
hash ^= int64(b)
hash *= 0x1000193
return hash
}
if !iter.loadMore() {
iter.ReportError("readFieldHash", `incomplete field name`)
return 0
if b == '"' {
iter.head = i + 1
c = iter.nextToken()
if c != ':' {
iter.ReportError("readFieldHash", `expect :, but found `+string([]byte{c}))
return 0
}
return hash
}
if 'A' <= b && b <= 'Z' {
b += 'a' - 'A'
}
hash ^= int64(b)
hash *= 0x1000193
}
if !iter.loadMore() {
iter.ReportError("readFieldHash", `incomplete field name`)
return 0
}
}
iter.ReportError("readFieldHash", `expect ", but found `+string([]byte{c}))
return 0
}
func calcHash(str string) int32 {
func calcHash(str string) int64 {
hash := int64(0x811c9dc5)
for _, b := range str {
hash ^= int64(unicode.ToLower(b))
hash *= 0x1000193
}
return int32(hash)
return int64(hash)
}
// ReadObjectCB read object with callback, the key is ascii only and field name not copied
func (iter *Iterator) ReadObjectCB(callback func(*Iterator, string) bool) bool {
c := iter.nextToken()
var fieldBytes []byte
var field string
if c == '{' {
c = iter.nextToken()
if c == '"' {
iter.unreadByte()
if iter.cfg.objectFieldMustBeSimpleString {
fieldBytes = iter.readObjectFieldAsBytes()
field = *(*string)(unsafe.Pointer(&fieldBytes))
} else {
field = iter.ReadString()
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
field = iter.ReadString()
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
if !callback(iter, field) {
return false
}
c = iter.nextToken()
for c == ',' {
if iter.cfg.objectFieldMustBeSimpleString {
fieldBytes = iter.readObjectFieldAsBytes()
field = *(*string)(unsafe.Pointer(&fieldBytes))
} else {
field = iter.ReadString()
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
field = iter.ReadString()
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
if !callback(iter, field) {
return false

0
vendor/github.com/json-iterator/go/feature_iter_skip.go → vendor/github.com/json-iterator/go/iter_skip.go generated vendored
View File

0
vendor/github.com/json-iterator/go/feature_iter_skip_sloppy.go → vendor/github.com/json-iterator/go/iter_skip_sloppy.go generated vendored
View File

0
vendor/github.com/json-iterator/go/feature_iter_skip_strict.go → vendor/github.com/json-iterator/go/iter_skip_strict.go generated vendored
View File

0
vendor/github.com/json-iterator/go/feature_iter_string.go → vendor/github.com/json-iterator/go/iter_str.go generated vendored
View File

35
vendor/github.com/json-iterator/go/feature_pool.go → vendor/github.com/json-iterator/go/pool.go generated vendored
View File

@ -17,43 +17,26 @@ type StreamPool interface {
}
func (cfg *frozenConfig) BorrowStream(writer io.Writer) *Stream {
select {
case stream := <-cfg.streamPool:
stream.Reset(writer)
return stream
default:
return NewStream(cfg, writer, 512)
}
stream := cfg.streamPool.Get().(*Stream)
stream.Reset(writer)
return stream
}
func (cfg *frozenConfig) ReturnStream(stream *Stream) {
stream.out = nil
stream.Error = nil
stream.Attachment = nil
select {
case cfg.streamPool <- stream:
return
default:
return
}
cfg.streamPool.Put(stream)
}
func (cfg *frozenConfig) BorrowIterator(data []byte) *Iterator {
select {
case iter := <-cfg.iteratorPool:
iter.ResetBytes(data)
return iter
default:
return ParseBytes(cfg, data)
}
iter := cfg.iteratorPool.Get().(*Iterator)
iter.ResetBytes(data)
return iter
}
func (cfg *frozenConfig) ReturnIterator(iter *Iterator) {
iter.Error = nil
iter.Attachment = nil
select {
case cfg.iteratorPool <- iter:
return
default:
return
}
cfg.iteratorPool.Put(iter)
}

321
vendor/github.com/json-iterator/go/reflect.go generated vendored Normal file
View File

@ -0,0 +1,321 @@
package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"reflect"
"unsafe"
)
// ValDecoder is an internal type registered to cache as needed.
// Don't confuse jsoniter.ValDecoder with json.Decoder.
// For json.Decoder's adapter, refer to jsoniter.AdapterDecoder(todo link).
//
// Reflection on type to create decoders, which is then cached
// Reflection on value is avoided as we can, as the reflect.Value itself will allocate, with following exceptions
// 1. create instance of new value, for example *int will need a int to be allocated
// 2. append to slice, if the existing cap is not enough, allocate will be done using Reflect.New
// 3. assignment to map, both key and value will be reflect.Value
// For a simple struct binding, it will be reflect.Value free and allocation free
type ValDecoder interface {
Decode(ptr unsafe.Pointer, iter *Iterator)
}
// ValEncoder is an internal type registered to cache as needed.
// Don't confuse jsoniter.ValEncoder with json.Encoder.
// For json.Encoder's adapter, refer to jsoniter.AdapterEncoder(todo godoc link).
type ValEncoder interface {
IsEmpty(ptr unsafe.Pointer) bool
Encode(ptr unsafe.Pointer, stream *Stream)
}
type checkIsEmpty interface {
IsEmpty(ptr unsafe.Pointer) bool
}
type ctx struct {
*frozenConfig
prefix string
encoders map[reflect2.Type]ValEncoder
decoders map[reflect2.Type]ValDecoder
}
func (b *ctx) append(prefix string) *ctx {
return &ctx{
frozenConfig: b.frozenConfig,
prefix: b.prefix + " " + prefix,
encoders: b.encoders,
decoders: b.decoders,
}
}
// ReadVal copy the underlying JSON into go interface, same as json.Unmarshal
func (iter *Iterator) ReadVal(obj interface{}) {
cacheKey := reflect2.RTypeOf(obj)
decoder := iter.cfg.getDecoderFromCache(cacheKey)
if decoder == nil {
typ := reflect2.TypeOf(obj)
if typ.Kind() != reflect.Ptr {
iter.ReportError("ReadVal", "can only unmarshal into pointer")
return
}
decoder = iter.cfg.DecoderOf(typ)
}
ptr := reflect2.PtrOf(obj)
if ptr == nil {
iter.ReportError("ReadVal", "can not read into nil pointer")
return
}
decoder.Decode(ptr, iter)
}
// WriteVal copy the go interface into underlying JSON, same as json.Marshal
func (stream *Stream) WriteVal(val interface{}) {
if nil == val {
stream.WriteNil()
return
}
cacheKey := reflect2.RTypeOf(val)
encoder := stream.cfg.getEncoderFromCache(cacheKey)
if encoder == nil {
typ := reflect2.TypeOf(val)
encoder = stream.cfg.EncoderOf(typ)
}
encoder.Encode(reflect2.PtrOf(val), stream)
}
func (cfg *frozenConfig) DecoderOf(typ reflect2.Type) ValDecoder {
cacheKey := typ.RType()
decoder := cfg.getDecoderFromCache(cacheKey)
if decoder != nil {
return decoder
}
ctx := &ctx{
frozenConfig: cfg,
prefix: "",
decoders: map[reflect2.Type]ValDecoder{},
encoders: map[reflect2.Type]ValEncoder{},
}
ptrType := typ.(*reflect2.UnsafePtrType)
decoder = decoderOfType(ctx, ptrType.Elem())
cfg.addDecoderToCache(cacheKey, decoder)
return decoder
}
func decoderOfType(ctx *ctx, typ reflect2.Type) ValDecoder {
decoder := getTypeDecoderFromExtension(ctx, typ)
if decoder != nil {
return decoder
}
decoder = createDecoderOfType(ctx, typ)
for _, extension := range extensions {
decoder = extension.DecorateDecoder(typ, decoder)
}
for _, extension := range ctx.extensions {
decoder = extension.DecorateDecoder(typ, decoder)
}
return decoder
}
func createDecoderOfType(ctx *ctx, typ reflect2.Type) ValDecoder {
decoder := ctx.decoders[typ]
if decoder != nil {
return decoder
}
placeholder := &placeholderDecoder{}
ctx.decoders[typ] = placeholder
decoder = _createDecoderOfType(ctx, typ)
placeholder.decoder = decoder
return decoder
}
func _createDecoderOfType(ctx *ctx, typ reflect2.Type) ValDecoder {
decoder := createDecoderOfJsonRawMessage(ctx, typ)
if decoder != nil {
return decoder
}
decoder = createDecoderOfJsonNumber(ctx, typ)
if decoder != nil {
return decoder
}
decoder = createDecoderOfMarshaler(ctx, typ)
if decoder != nil {
return decoder
}
decoder = createDecoderOfAny(ctx, typ)
if decoder != nil {
return decoder
}
decoder = createDecoderOfNative(ctx, typ)
if decoder != nil {
return decoder
}
switch typ.Kind() {
case reflect.Interface:
ifaceType, isIFace := typ.(*reflect2.UnsafeIFaceType)
if isIFace {
return &ifaceDecoder{valType: ifaceType}
}
return &efaceDecoder{}
case reflect.Struct:
return decoderOfStruct(ctx, typ)
case reflect.Array:
return decoderOfArray(ctx, typ)
case reflect.Slice:
return decoderOfSlice(ctx, typ)
case reflect.Map:
return decoderOfMap(ctx, typ)
case reflect.Ptr:
return decoderOfOptional(ctx, typ)
default:
return &lazyErrorDecoder{err: fmt.Errorf("%s%s is unsupported type", ctx.prefix, typ.String())}
}
}
func (cfg *frozenConfig) EncoderOf(typ reflect2.Type) ValEncoder {
cacheKey := typ.RType()
encoder := cfg.getEncoderFromCache(cacheKey)
if encoder != nil {
return encoder
}
ctx := &ctx{
frozenConfig: cfg,
prefix: "",
decoders: map[reflect2.Type]ValDecoder{},
encoders: map[reflect2.Type]ValEncoder{},
}
encoder = encoderOfType(ctx, typ)
if typ.LikePtr() {
encoder = &onePtrEncoder{encoder}
}
cfg.addEncoderToCache(cacheKey, encoder)
return encoder
}
type onePtrEncoder struct {
encoder ValEncoder
}
func (encoder *onePtrEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.encoder.IsEmpty(unsafe.Pointer(&ptr))
}
func (encoder *onePtrEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
encoder.encoder.Encode(unsafe.Pointer(&ptr), stream)
}
func encoderOfType(ctx *ctx, typ reflect2.Type) ValEncoder {
encoder := getTypeEncoderFromExtension(ctx, typ)
if encoder != nil {
return encoder
}
encoder = createEncoderOfType(ctx, typ)
for _, extension := range extensions {
encoder = extension.DecorateEncoder(typ, encoder)
}
for _, extension := range ctx.extensions {
encoder = extension.DecorateEncoder(typ, encoder)
}
return encoder
}
func createEncoderOfType(ctx *ctx, typ reflect2.Type) ValEncoder {
encoder := ctx.encoders[typ]
if encoder != nil {
return encoder
}
placeholder := &placeholderEncoder{}
ctx.encoders[typ] = placeholder
encoder = _createEncoderOfType(ctx, typ)
placeholder.encoder = encoder
return encoder
}
func _createEncoderOfType(ctx *ctx, typ reflect2.Type) ValEncoder {
encoder := createEncoderOfJsonRawMessage(ctx, typ)
if encoder != nil {
return encoder
}
encoder = createEncoderOfJsonNumber(ctx, typ)
if encoder != nil {
return encoder
}
encoder = createEncoderOfMarshaler(ctx, typ)
if encoder != nil {
return encoder
}
encoder = createEncoderOfAny(ctx, typ)
if encoder != nil {
return encoder
}
encoder = createEncoderOfNative(ctx, typ)
if encoder != nil {
return encoder
}
kind := typ.Kind()
switch kind {
case reflect.Interface:
return &dynamicEncoder{typ}
case reflect.Struct:
return encoderOfStruct(ctx, typ)
case reflect.Array:
return encoderOfArray(ctx, typ)
case reflect.Slice:
return encoderOfSlice(ctx, typ)
case reflect.Map:
return encoderOfMap(ctx, typ)
case reflect.Ptr:
return encoderOfOptional(ctx, typ)
default:
return &lazyErrorEncoder{err: fmt.Errorf("%s%s is unsupported type", ctx.prefix, typ.String())}
}
}
type lazyErrorDecoder struct {
err error
}
func (decoder *lazyErrorDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.WhatIsNext() != NilValue {
if iter.Error == nil {
iter.Error = decoder.err
}
} else {
iter.Skip()
}
}
type lazyErrorEncoder struct {
err error
}
func (encoder *lazyErrorEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if ptr == nil {
stream.WriteNil()
} else if stream.Error == nil {
stream.Error = encoder.err
}
}
func (encoder *lazyErrorEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type placeholderDecoder struct {
decoder ValDecoder
}
func (decoder *placeholderDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.decoder.Decode(ptr, iter)
}
type placeholderEncoder struct {
encoder ValEncoder
}
func (encoder *placeholderEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
encoder.encoder.Encode(ptr, stream)
}
func (encoder *placeholderEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.encoder.IsEmpty(ptr)
}

104
vendor/github.com/json-iterator/go/reflect_array.go generated vendored Normal file
View File

@ -0,0 +1,104 @@
package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"unsafe"
)
func decoderOfArray(ctx *ctx, typ reflect2.Type) ValDecoder {
arrayType := typ.(*reflect2.UnsafeArrayType)
decoder := decoderOfType(ctx.append("[arrayElem]"), arrayType.Elem())
return &arrayDecoder{arrayType, decoder}
}
func encoderOfArray(ctx *ctx, typ reflect2.Type) ValEncoder {
arrayType := typ.(*reflect2.UnsafeArrayType)
if arrayType.Len() == 0 {
return emptyArrayEncoder{}
}
encoder := encoderOfType(ctx.append("[arrayElem]"), arrayType.Elem())
return &arrayEncoder{arrayType, encoder}
}
type emptyArrayEncoder struct{}
func (encoder emptyArrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteEmptyArray()
}
func (encoder emptyArrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return true
}
type arrayEncoder struct {
arrayType *reflect2.UnsafeArrayType
elemEncoder ValEncoder
}
func (encoder *arrayEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteArrayStart()
elemPtr := unsafe.Pointer(ptr)
encoder.elemEncoder.Encode(elemPtr, stream)
for i := 1; i < encoder.arrayType.Len(); i++ {
stream.WriteMore()
elemPtr = encoder.arrayType.UnsafeGetIndex(ptr, i)
encoder.elemEncoder.Encode(elemPtr, stream)
}
stream.WriteArrayEnd()
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%v: %s", encoder.arrayType, stream.Error.Error())
}
}
func (encoder *arrayEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type arrayDecoder struct {
arrayType *reflect2.UnsafeArrayType
elemDecoder ValDecoder
}
func (decoder *arrayDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.doDecode(ptr, iter)
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.arrayType, iter.Error.Error())
}
}
func (decoder *arrayDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) {
c := iter.nextToken()
arrayType := decoder.arrayType
if c == 'n' {
iter.skipThreeBytes('u', 'l', 'l')
return
}
if c != '[' {
iter.ReportError("decode array", "expect [ or n, but found "+string([]byte{c}))
return
}
c = iter.nextToken()
if c == ']' {
return
}
iter.unreadByte()
elemPtr := arrayType.UnsafeGetIndex(ptr, 0)
decoder.elemDecoder.Decode(elemPtr, iter)
length := 1
for c = iter.nextToken(); c == ','; c = iter.nextToken() {
if length >= arrayType.Len() {
iter.Skip()
continue
}
idx := length
length += 1
elemPtr = arrayType.UnsafeGetIndex(ptr, idx)
decoder.elemDecoder.Decode(elemPtr, iter)
}
if c != ']' {
iter.ReportError("decode array", "expect ], but found "+string([]byte{c}))
return
}
}

70
vendor/github.com/json-iterator/go/reflect_dynamic.go generated vendored Normal file
View File

@ -0,0 +1,70 @@
package jsoniter
import (
"github.com/modern-go/reflect2"
"reflect"
"unsafe"
)
type dynamicEncoder struct {
valType reflect2.Type
}
func (encoder *dynamicEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
obj := encoder.valType.UnsafeIndirect(ptr)
stream.WriteVal(obj)
}
func (encoder *dynamicEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.valType.UnsafeIndirect(ptr) == nil
}
type efaceDecoder struct {
}
func (decoder *efaceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
pObj := (*interface{})(ptr)
obj := *pObj
if obj == nil {
*pObj = iter.Read()
return
}
typ := reflect2.TypeOf(obj)
if typ.Kind() != reflect.Ptr {
*pObj = iter.Read()
return
}
ptrType := typ.(*reflect2.UnsafePtrType)
ptrElemType := ptrType.Elem()
if iter.WhatIsNext() == NilValue {
if ptrElemType.Kind() != reflect.Ptr {
iter.skipFourBytes('n', 'u', 'l', 'l')
*pObj = nil
return
}
}
if reflect2.IsNil(obj) {
obj := ptrElemType.New()
iter.ReadVal(obj)
*pObj = obj
return
}
iter.ReadVal(obj)
}
type ifaceDecoder struct {
valType *reflect2.UnsafeIFaceType
}
func (decoder *ifaceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.ReadNil() {
decoder.valType.UnsafeSet(ptr, decoder.valType.UnsafeNew())
return
}
obj := decoder.valType.UnsafeIndirect(ptr)
if reflect2.IsNil(obj) {
iter.ReportError("decode non empty interface", "can not unmarshal into nil")
return
}
iter.ReadVal(obj)
}

268
vendor/github.com/json-iterator/go/feature_reflect_extension.go → vendor/github.com/json-iterator/go/reflect_extension.go generated vendored
View File

@ -2,6 +2,7 @@ package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"reflect"
"sort"
"strings"
@ -17,17 +18,15 @@ var extensions = []Extension{}
// StructDescriptor describe how should we encode/decode the struct
type StructDescriptor struct {
onePtrEmbedded bool
onePtrOptimization bool
Type reflect.Type
Fields []*Binding
Type reflect2.Type
Fields []*Binding
}
// GetField get one field from the descriptor by its name.
// Can not use map here to keep field orders.
func (structDescriptor *StructDescriptor) GetField(fieldName string) *Binding {
for _, binding := range structDescriptor.Fields {
if binding.Field.Name == fieldName {
if binding.Field.Name() == fieldName {
return binding
}
}
@ -37,7 +36,7 @@ func (structDescriptor *StructDescriptor) GetField(fieldName string) *Binding {
// Binding describe how should we encode/decode the struct field
type Binding struct {
levels []int
Field *reflect.StructField
Field reflect2.StructField
FromNames []string
ToNames []string
Encoder ValEncoder
@ -48,10 +47,12 @@ type Binding struct {
// Can also rename fields by UpdateStructDescriptor.
type Extension interface {
UpdateStructDescriptor(structDescriptor *StructDescriptor)
CreateDecoder(typ reflect.Type) ValDecoder
CreateEncoder(typ reflect.Type) ValEncoder
DecorateDecoder(typ reflect.Type, decoder ValDecoder) ValDecoder
DecorateEncoder(typ reflect.Type, encoder ValEncoder) ValEncoder
CreateMapKeyDecoder(typ reflect2.Type) ValDecoder
CreateMapKeyEncoder(typ reflect2.Type) ValEncoder
CreateDecoder(typ reflect2.Type) ValDecoder
CreateEncoder(typ reflect2.Type) ValEncoder
DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder
DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder
}
// DummyExtension embed this type get dummy implementation for all methods of Extension
@ -62,23 +63,105 @@ type DummyExtension struct {
func (extension *DummyExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) {
}
// CreateMapKeyDecoder No-op
func (extension *DummyExtension) CreateMapKeyDecoder(typ reflect2.Type) ValDecoder {
return nil
}
// CreateMapKeyEncoder No-op
func (extension *DummyExtension) CreateMapKeyEncoder(typ reflect2.Type) ValEncoder {
return nil
}
// CreateDecoder No-op
func (extension *DummyExtension) CreateDecoder(typ reflect.Type) ValDecoder {
func (extension *DummyExtension) CreateDecoder(typ reflect2.Type) ValDecoder {
return nil
}
// CreateEncoder No-op
func (extension *DummyExtension) CreateEncoder(typ reflect.Type) ValEncoder {
func (extension *DummyExtension) CreateEncoder(typ reflect2.Type) ValEncoder {
return nil
}
// DecorateDecoder No-op
func (extension *DummyExtension) DecorateDecoder(typ reflect.Type, decoder ValDecoder) ValDecoder {
func (extension *DummyExtension) DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder {
return decoder
}
// DecorateEncoder No-op
func (extension *DummyExtension) DecorateEncoder(typ reflect.Type, encoder ValEncoder) ValEncoder {
func (extension *DummyExtension) DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder {
return encoder
}
type EncoderExtension map[reflect2.Type]ValEncoder
// UpdateStructDescriptor No-op
func (extension EncoderExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) {
}
// CreateDecoder No-op
func (extension EncoderExtension) CreateDecoder(typ reflect2.Type) ValDecoder {
return nil
}
// CreateEncoder get encoder from map
func (extension EncoderExtension) CreateEncoder(typ reflect2.Type) ValEncoder {
return extension[typ]
}
// CreateMapKeyDecoder No-op
func (extension EncoderExtension) CreateMapKeyDecoder(typ reflect2.Type) ValDecoder {
return nil
}
// CreateMapKeyEncoder No-op
func (extension EncoderExtension) CreateMapKeyEncoder(typ reflect2.Type) ValEncoder {
return nil
}
// DecorateDecoder No-op
func (extension EncoderExtension) DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder {
return decoder
}
// DecorateEncoder No-op
func (extension EncoderExtension) DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder {
return encoder
}
type DecoderExtension map[reflect2.Type]ValDecoder
// UpdateStructDescriptor No-op
func (extension DecoderExtension) UpdateStructDescriptor(structDescriptor *StructDescriptor) {
}
// CreateMapKeyDecoder No-op
func (extension DecoderExtension) CreateMapKeyDecoder(typ reflect2.Type) ValDecoder {
return nil
}
// CreateMapKeyEncoder No-op
func (extension DecoderExtension) CreateMapKeyEncoder(typ reflect2.Type) ValEncoder {
return nil
}
// CreateDecoder get decoder from map
func (extension DecoderExtension) CreateDecoder(typ reflect2.Type) ValDecoder {
return extension[typ]
}
// CreateEncoder No-op
func (extension DecoderExtension) CreateEncoder(typ reflect2.Type) ValEncoder {
return nil
}
// DecorateDecoder No-op
func (extension DecoderExtension) DecorateDecoder(typ reflect2.Type, decoder ValDecoder) ValDecoder {
return decoder
}
// DecorateEncoder No-op
func (extension DecoderExtension) DecorateEncoder(typ reflect2.Type, encoder ValEncoder) ValEncoder {
return encoder
}
@ -99,10 +182,6 @@ func (encoder *funcEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
encoder.fun(ptr, stream)
}
func (encoder *funcEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *funcEncoder) IsEmpty(ptr unsafe.Pointer) bool {
if encoder.isEmptyFunc == nil {
return false
@ -161,26 +240,26 @@ func RegisterExtension(extension Extension) {
extensions = append(extensions, extension)
}
func getTypeDecoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValDecoder {
decoder := _getTypeDecoderFromExtension(cfg, typ)
func getTypeDecoderFromExtension(ctx *ctx, typ reflect2.Type) ValDecoder {
decoder := _getTypeDecoderFromExtension(ctx, typ)
if decoder != nil {
for _, extension := range extensions {
decoder = extension.DecorateDecoder(typ, decoder)
}
for _, extension := range cfg.extensions {
for _, extension := range ctx.extensions {
decoder = extension.DecorateDecoder(typ, decoder)
}
}
return decoder
}
func _getTypeDecoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValDecoder {
func _getTypeDecoderFromExtension(ctx *ctx, typ reflect2.Type) ValDecoder {
for _, extension := range extensions {
decoder := extension.CreateDecoder(typ)
if decoder != nil {
return decoder
}
}
for _, extension := range cfg.extensions {
for _, extension := range ctx.extensions {
decoder := extension.CreateDecoder(typ)
if decoder != nil {
return decoder
@ -192,35 +271,36 @@ func _getTypeDecoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValDecode
return decoder
}
if typ.Kind() == reflect.Ptr {
decoder := typeDecoders[typ.Elem().String()]
ptrType := typ.(*reflect2.UnsafePtrType)
decoder := typeDecoders[ptrType.Elem().String()]
if decoder != nil {
return &OptionalDecoder{typ.Elem(), decoder}
return &OptionalDecoder{ptrType.Elem(), decoder}
}
}
return nil
}
func getTypeEncoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValEncoder {
encoder := _getTypeEncoderFromExtension(cfg, typ)
func getTypeEncoderFromExtension(ctx *ctx, typ reflect2.Type) ValEncoder {
encoder := _getTypeEncoderFromExtension(ctx, typ)
if encoder != nil {
for _, extension := range extensions {
encoder = extension.DecorateEncoder(typ, encoder)
}
for _, extension := range cfg.extensions {
for _, extension := range ctx.extensions {
encoder = extension.DecorateEncoder(typ, encoder)
}
}
return encoder
}
func _getTypeEncoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValEncoder {
func _getTypeEncoderFromExtension(ctx *ctx, typ reflect2.Type) ValEncoder {
for _, extension := range extensions {
encoder := extension.CreateEncoder(typ)
if encoder != nil {
return encoder
}
}
for _, extension := range cfg.extensions {
for _, extension := range ctx.extensions {
encoder := extension.CreateEncoder(typ)
if encoder != nil {
return encoder
@ -232,7 +312,8 @@ func _getTypeEncoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValEncode
return encoder
}
if typ.Kind() == reflect.Ptr {
encoder := typeEncoders[typ.Elem().String()]
typePtr := typ.(*reflect2.UnsafePtrType)
encoder := typeEncoders[typePtr.Elem().String()]
if encoder != nil {
return &OptionalEncoder{encoder}
}
@ -240,72 +321,60 @@ func _getTypeEncoderFromExtension(cfg *frozenConfig, typ reflect.Type) ValEncode
return nil
}
func describeStruct(cfg *frozenConfig, typ reflect.Type) (*StructDescriptor, error) {
func describeStruct(ctx *ctx, typ reflect2.Type) *StructDescriptor {
structType := typ.(*reflect2.UnsafeStructType)
embeddedBindings := []*Binding{}
bindings := []*Binding{}
for i := 0; i < typ.NumField(); i++ {
field := typ.Field(i)
tag := field.Tag.Get(cfg.getTagKey())
for i := 0; i < structType.NumField(); i++ {
field := structType.Field(i)
tag, hastag := field.Tag().Lookup(ctx.getTagKey())
if ctx.onlyTaggedField && !hastag {
continue
}
tagParts := strings.Split(tag, ",")
if tag == "-" {
continue
}
if field.Anonymous && (tag == "" || tagParts[0] == "") {
if field.Type.Kind() == reflect.Struct {
structDescriptor, err := describeStruct(cfg, field.Type)
if err != nil {
return nil, err
}
if field.Anonymous() && (tag == "" || tagParts[0] == "") {
if field.Type().Kind() == reflect.Struct {
structDescriptor := describeStruct(ctx, field.Type())
for _, binding := range structDescriptor.Fields {
binding.levels = append([]int{i}, binding.levels...)
omitempty := binding.Encoder.(*structFieldEncoder).omitempty
binding.Encoder = &structFieldEncoder{&field, binding.Encoder, omitempty}
binding.Decoder = &structFieldDecoder{&field, binding.Decoder}
binding.Encoder = &structFieldEncoder{field, binding.Encoder, omitempty}
binding.Decoder = &structFieldDecoder{field, binding.Decoder}
embeddedBindings = append(embeddedBindings, binding)
}
continue
} else if field.Type.Kind() == reflect.Ptr && field.Type.Elem().Kind() == reflect.Struct {
structDescriptor, err := describeStruct(cfg, field.Type.Elem())
if err != nil {
return nil, err
} else if field.Type().Kind() == reflect.Ptr {
ptrType := field.Type().(*reflect2.UnsafePtrType)
if ptrType.Elem().Kind() == reflect.Struct {
structDescriptor := describeStruct(ctx, ptrType.Elem())
for _, binding := range structDescriptor.Fields {
binding.levels = append([]int{i}, binding.levels...)
omitempty := binding.Encoder.(*structFieldEncoder).omitempty
binding.Encoder = &dereferenceEncoder{binding.Encoder}
binding.Encoder = &structFieldEncoder{field, binding.Encoder, omitempty}
binding.Decoder = &dereferenceDecoder{ptrType.Elem(), binding.Decoder}
binding.Decoder = &structFieldDecoder{field, binding.Decoder}
embeddedBindings = append(embeddedBindings, binding)
}
continue
}
for _, binding := range structDescriptor.Fields {
binding.levels = append([]int{i}, binding.levels...)
omitempty := binding.Encoder.(*structFieldEncoder).omitempty
binding.Encoder = &OptionalEncoder{binding.Encoder}
binding.Encoder = &structFieldEncoder{&field, binding.Encoder, omitempty}
binding.Decoder = &deferenceDecoder{field.Type.Elem(), binding.Decoder}
binding.Decoder = &structFieldDecoder{&field, binding.Decoder}
embeddedBindings = append(embeddedBindings, binding)
}
continue
}
}
fieldNames := calcFieldNames(field.Name, tagParts[0], tag)
fieldCacheKey := fmt.Sprintf("%s/%s", typ.String(), field.Name)
fieldNames := calcFieldNames(field.Name(), tagParts[0], tag)
fieldCacheKey := fmt.Sprintf("%s/%s", typ.String(), field.Name())
decoder := fieldDecoders[fieldCacheKey]
if decoder == nil {
var err error
decoder, err = decoderOfType(cfg, field.Type)
if len(fieldNames) > 0 && err != nil {
return nil, err
}
decoder = decoderOfType(ctx.append(field.Name()), field.Type())
}
encoder := fieldEncoders[fieldCacheKey]
if encoder == nil {
var err error
encoder, err = encoderOfType(cfg, field.Type)
if len(fieldNames) > 0 && err != nil {
return nil, err
}
// map is stored as pointer in the struct,
// and treat nil or empty map as empty field
if encoder != nil && field.Type.Kind() == reflect.Map {
encoder = &optionalMapEncoder{encoder}
}
encoder = encoderOfType(ctx.append(field.Name()), field.Type())
}
binding := &Binding{
Field: &field,
Field: field,
FromNames: fieldNames,
ToNames: fieldNames,
Decoder: decoder,
@ -314,38 +383,20 @@ func describeStruct(cfg *frozenConfig, typ reflect.Type) (*StructDescriptor, err
binding.levels = []int{i}
bindings = append(bindings, binding)
}
return createStructDescriptor(cfg, typ, bindings, embeddedBindings), nil
return createStructDescriptor(ctx, typ, bindings, embeddedBindings)
}
func createStructDescriptor(cfg *frozenConfig, typ reflect.Type, bindings []*Binding, embeddedBindings []*Binding) *StructDescriptor {
onePtrEmbedded := false
onePtrOptimization := false
if typ.NumField() == 1 {
firstField := typ.Field(0)
switch firstField.Type.Kind() {
case reflect.Ptr:
if firstField.Anonymous && firstField.Type.Elem().Kind() == reflect.Struct {
onePtrEmbedded = true
}
fallthrough
case reflect.Map:
onePtrOptimization = true
case reflect.Struct:
onePtrOptimization = isStructOnePtr(firstField.Type)
}
}
func createStructDescriptor(ctx *ctx, typ reflect2.Type, bindings []*Binding, embeddedBindings []*Binding) *StructDescriptor {
structDescriptor := &StructDescriptor{
onePtrEmbedded: onePtrEmbedded,
onePtrOptimization: onePtrOptimization,
Type: typ,
Fields: bindings,
Type: typ,
Fields: bindings,
}
for _, extension := range extensions {
extension.UpdateStructDescriptor(structDescriptor)
}
for _, extension := range cfg.extensions {
for _, extension := range ctx.extensions {
extension.UpdateStructDescriptor(structDescriptor)
}
processTags(structDescriptor, cfg)
processTags(structDescriptor, ctx.frozenConfig)
// merge normal & embedded bindings & sort with original order
allBindings := sortableBindings(append(embeddedBindings, structDescriptor.Fields...))
sort.Sort(allBindings)
@ -353,21 +404,6 @@ func createStructDescriptor(cfg *frozenConfig, typ reflect.Type, bindings []*Bin
return structDescriptor
}
func isStructOnePtr(typ reflect.Type) bool {
if typ.NumField() == 1 {
firstField := typ.Field(0)
switch firstField.Type.Kind() {
case reflect.Ptr:
return true
case reflect.Map:
return true
case reflect.Struct:
return isStructOnePtr(firstField.Type)
}
}
return false
}
type sortableBindings []*Binding
func (bindings sortableBindings) Len() int {
@ -395,12 +431,12 @@ func (bindings sortableBindings) Swap(i, j int) {
func processTags(structDescriptor *StructDescriptor, cfg *frozenConfig) {
for _, binding := range structDescriptor.Fields {
shouldOmitEmpty := false
tagParts := strings.Split(binding.Field.Tag.Get(cfg.getTagKey()), ",")
tagParts := strings.Split(binding.Field.Tag().Get(cfg.getTagKey()), ",")
for _, tagPart := range tagParts[1:] {
if tagPart == "omitempty" {
shouldOmitEmpty = true
} else if tagPart == "string" {
if binding.Field.Type.Kind() == reflect.String {
if binding.Field.Type().Kind() == reflect.String {
binding.Decoder = &stringModeStringDecoder{binding.Decoder, cfg}
binding.Encoder = &stringModeStringEncoder{binding.Encoder, cfg}
} else {

112
vendor/github.com/json-iterator/go/reflect_json_number.go generated vendored Normal file
View File

@ -0,0 +1,112 @@
package jsoniter
import (
"encoding/json"
"github.com/modern-go/reflect2"
"strconv"
"unsafe"
)
type Number string
// String returns the literal text of the number.
func (n Number) String() string { return string(n) }
// Float64 returns the number as a float64.
func (n Number) Float64() (float64, error) {
return strconv.ParseFloat(string(n), 64)
}
// Int64 returns the number as an int64.
func (n Number) Int64() (int64, error) {
return strconv.ParseInt(string(n), 10, 64)
}
func CastJsonNumber(val interface{}) (string, bool) {
switch typedVal := val.(type) {
case json.Number:
return string(typedVal), true
case Number:
return string(typedVal), true
}
return "", false
}
var jsonNumberType = reflect2.TypeOfPtr((*json.Number)(nil)).Elem()
var jsoniterNumberType = reflect2.TypeOfPtr((*Number)(nil)).Elem()
func createDecoderOfJsonNumber(ctx *ctx, typ reflect2.Type) ValDecoder {
if typ.AssignableTo(jsonNumberType) {
return &jsonNumberCodec{}
}
if typ.AssignableTo(jsoniterNumberType) {
return &jsoniterNumberCodec{}
}
return nil
}
func createEncoderOfJsonNumber(ctx *ctx, typ reflect2.Type) ValEncoder {
if typ.AssignableTo(jsonNumberType) {
return &jsonNumberCodec{}
}
if typ.AssignableTo(jsoniterNumberType) {
return &jsoniterNumberCodec{}
}
return nil
}
type jsonNumberCodec struct {
}
func (codec *jsonNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
switch iter.WhatIsNext() {
case StringValue:
*((*json.Number)(ptr)) = json.Number(iter.ReadString())
case NilValue:
iter.skipFourBytes('n', 'u', 'l', 'l')
*((*json.Number)(ptr)) = ""
default:
*((*json.Number)(ptr)) = json.Number([]byte(iter.readNumberAsString()))
}
}
func (codec *jsonNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
number := *((*json.Number)(ptr))
if len(number) == 0 {
stream.writeByte('0')
} else {
stream.WriteRaw(string(number))
}
}
func (codec *jsonNumberCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*json.Number)(ptr))) == 0
}
type jsoniterNumberCodec struct {
}
func (codec *jsoniterNumberCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
switch iter.WhatIsNext() {
case StringValue:
*((*Number)(ptr)) = Number(iter.ReadString())
case NilValue:
iter.skipFourBytes('n', 'u', 'l', 'l')
*((*Number)(ptr)) = ""
default:
*((*Number)(ptr)) = Number([]byte(iter.readNumberAsString()))
}
}
func (codec *jsoniterNumberCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
number := *((*Number)(ptr))
if len(number) == 0 {
stream.writeByte('0')
} else {
stream.WriteRaw(string(number))
}
}
func (codec *jsoniterNumberCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*Number)(ptr))) == 0
}

60
vendor/github.com/json-iterator/go/reflect_json_raw_message.go generated vendored Normal file
View File

@ -0,0 +1,60 @@
package jsoniter
import (
"encoding/json"
"github.com/modern-go/reflect2"
"unsafe"
)
var jsonRawMessageType = reflect2.TypeOfPtr((*json.RawMessage)(nil)).Elem()
var jsoniterRawMessageType = reflect2.TypeOfPtr((*RawMessage)(nil)).Elem()
func createEncoderOfJsonRawMessage(ctx *ctx, typ reflect2.Type) ValEncoder {
if typ == jsonRawMessageType {
return &jsonRawMessageCodec{}
}
if typ == jsoniterRawMessageType {
return &jsoniterRawMessageCodec{}
}
return nil
}
func createDecoderOfJsonRawMessage(ctx *ctx, typ reflect2.Type) ValDecoder {
if typ == jsonRawMessageType {
return &jsonRawMessageCodec{}
}
if typ == jsoniterRawMessageType {
return &jsoniterRawMessageCodec{}
}
return nil
}
type jsonRawMessageCodec struct {
}
func (codec *jsonRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*json.RawMessage)(ptr)) = json.RawMessage(iter.SkipAndReturnBytes())
}
func (codec *jsonRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteRaw(string(*((*json.RawMessage)(ptr))))
}
func (codec *jsonRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*json.RawMessage)(ptr))) == 0
}
type jsoniterRawMessageCodec struct {
}
func (codec *jsoniterRawMessageCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*RawMessage)(ptr)) = RawMessage(iter.SkipAndReturnBytes())
}
func (codec *jsoniterRawMessageCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteRaw(string(*((*RawMessage)(ptr))))
}
func (codec *jsoniterRawMessageCodec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*RawMessage)(ptr))) == 0
}

318
vendor/github.com/json-iterator/go/reflect_map.go generated vendored Normal file
View File

@ -0,0 +1,318 @@
package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"reflect"
"sort"
"unsafe"
)
func decoderOfMap(ctx *ctx, typ reflect2.Type) ValDecoder {
mapType := typ.(*reflect2.UnsafeMapType)
keyDecoder := decoderOfMapKey(ctx.append("[mapKey]"), mapType.Key())
elemDecoder := decoderOfType(ctx.append("[mapElem]"), mapType.Elem())
return &mapDecoder{
mapType: mapType,
keyType: mapType.Key(),
elemType: mapType.Elem(),
keyDecoder: keyDecoder,
elemDecoder: elemDecoder,
}
}
func encoderOfMap(ctx *ctx, typ reflect2.Type) ValEncoder {
mapType := typ.(*reflect2.UnsafeMapType)
if ctx.sortMapKeys {
return &sortKeysMapEncoder{
mapType: mapType,
keyEncoder: encoderOfMapKey(ctx.append("[mapKey]"), mapType.Key()),
elemEncoder: encoderOfType(ctx.append("[mapElem]"), mapType.Elem()),
}
}
return &mapEncoder{
mapType: mapType,
keyEncoder: encoderOfMapKey(ctx.append("[mapKey]"), mapType.Key()),
elemEncoder: encoderOfType(ctx.append("[mapElem]"), mapType.Elem()),
}
}
func decoderOfMapKey(ctx *ctx, typ reflect2.Type) ValDecoder {
for _, extension := range ctx.extensions {
decoder := extension.CreateMapKeyDecoder(typ)
if decoder != nil {
return decoder
}
}
switch typ.Kind() {
case reflect.String:
return decoderOfType(ctx, reflect2.DefaultTypeOfKind(reflect.String))
case reflect.Bool,
reflect.Uint8, reflect.Int8,
reflect.Uint16, reflect.Int16,
reflect.Uint32, reflect.Int32,
reflect.Uint64, reflect.Int64,
reflect.Uint, reflect.Int,
reflect.Float32, reflect.Float64,
reflect.Uintptr:
typ = reflect2.DefaultTypeOfKind(typ.Kind())
return &numericMapKeyDecoder{decoderOfType(ctx, typ)}
default:
ptrType := reflect2.PtrTo(typ)
if ptrType.Implements(textMarshalerType) {
return &referenceDecoder{
&textUnmarshalerDecoder{
valType: ptrType,
},
}
}
if typ.Implements(textMarshalerType) {
return &textUnmarshalerDecoder{
valType: typ,
}
}
return &lazyErrorDecoder{err: fmt.Errorf("unsupported map key type: %v", typ)}
}
}
func encoderOfMapKey(ctx *ctx, typ reflect2.Type) ValEncoder {
for _, extension := range ctx.extensions {
encoder := extension.CreateMapKeyEncoder(typ)
if encoder != nil {
return encoder
}
}
switch typ.Kind() {
case reflect.String:
return encoderOfType(ctx, reflect2.DefaultTypeOfKind(reflect.String))
case reflect.Bool,
reflect.Uint8, reflect.Int8,
reflect.Uint16, reflect.Int16,
reflect.Uint32, reflect.Int32,
reflect.Uint64, reflect.Int64,
reflect.Uint, reflect.Int,
reflect.Float32, reflect.Float64,
reflect.Uintptr:
typ = reflect2.DefaultTypeOfKind(typ.Kind())
return &numericMapKeyEncoder{encoderOfType(ctx, typ)}
default:
if typ == textMarshalerType {
return &directTextMarshalerEncoder{
stringEncoder: ctx.EncoderOf(reflect2.TypeOf("")),
}
}
if typ.Implements(textMarshalerType) {
return &textMarshalerEncoder{
valType: typ,
stringEncoder: ctx.EncoderOf(reflect2.TypeOf("")),
}
}
if typ.Kind() == reflect.Interface {
return &dynamicMapKeyEncoder{ctx, typ}
}
return &lazyErrorEncoder{err: fmt.Errorf("unsupported map key type: %v", typ)}
}
}
type mapDecoder struct {
mapType *reflect2.UnsafeMapType
keyType reflect2.Type
elemType reflect2.Type
keyDecoder ValDecoder
elemDecoder ValDecoder
}
func (decoder *mapDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
mapType := decoder.mapType
c := iter.nextToken()
if c == 'n' {
iter.skipThreeBytes('u', 'l', 'l')
*(*unsafe.Pointer)(ptr) = nil
mapType.UnsafeSet(ptr, mapType.UnsafeNew())
return
}
if mapType.UnsafeIsNil(ptr) {
mapType.UnsafeSet(ptr, mapType.UnsafeMakeMap(0))
}
if c != '{' {
iter.ReportError("ReadMapCB", `expect { or n, but found `+string([]byte{c}))
return
}
c = iter.nextToken()
if c == '}' {
return
}
if c != '"' {
iter.ReportError("ReadMapCB", `expect " after }, but found `+string([]byte{c}))
return
}
iter.unreadByte()
key := decoder.keyType.UnsafeNew()
decoder.keyDecoder.Decode(key, iter)
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadMapCB", "expect : after object field, but found "+string([]byte{c}))
return
}
elem := decoder.elemType.UnsafeNew()
decoder.elemDecoder.Decode(elem, iter)
decoder.mapType.UnsafeSetIndex(ptr, key, elem)
for c = iter.nextToken(); c == ','; c = iter.nextToken() {
key := decoder.keyType.UnsafeNew()
decoder.keyDecoder.Decode(key, iter)
c = iter.nextToken()
if c != ':' {
iter.ReportError("ReadMapCB", "expect : after object field, but found "+string([]byte{c}))
return
}
elem := decoder.elemType.UnsafeNew()
decoder.elemDecoder.Decode(elem, iter)
decoder.mapType.UnsafeSetIndex(ptr, key, elem)
}
if c != '}' {
iter.ReportError("ReadMapCB", `expect }, but found `+string([]byte{c}))
}
}
type numericMapKeyDecoder struct {
decoder ValDecoder
}
func (decoder *numericMapKeyDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
c := iter.nextToken()
if c != '"' {
iter.ReportError("ReadMapCB", `expect ", but found `+string([]byte{c}))
return
}
decoder.decoder.Decode(ptr, iter)
c = iter.nextToken()
if c != '"' {
iter.ReportError("ReadMapCB", `expect ", but found `+string([]byte{c}))
return
}
}
type numericMapKeyEncoder struct {
encoder ValEncoder
}
func (encoder *numericMapKeyEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.writeByte('"')
encoder.encoder.Encode(ptr, stream)
stream.writeByte('"')
}
func (encoder *numericMapKeyEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type dynamicMapKeyEncoder struct {
ctx *ctx
valType reflect2.Type
}
func (encoder *dynamicMapKeyEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
obj := encoder.valType.UnsafeIndirect(ptr)
encoderOfMapKey(encoder.ctx, reflect2.TypeOf(obj)).Encode(reflect2.PtrOf(obj), stream)
}
func (encoder *dynamicMapKeyEncoder) IsEmpty(ptr unsafe.Pointer) bool {
obj := encoder.valType.UnsafeIndirect(ptr)
return encoderOfMapKey(encoder.ctx, reflect2.TypeOf(obj)).IsEmpty(reflect2.PtrOf(obj))
}
type mapEncoder struct {
mapType *reflect2.UnsafeMapType
keyEncoder ValEncoder
elemEncoder ValEncoder
}
func (encoder *mapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteObjectStart()
iter := encoder.mapType.UnsafeIterate(ptr)
for i := 0; iter.HasNext(); i++ {
if i != 0 {
stream.WriteMore()
}
key, elem := iter.UnsafeNext()
encoder.keyEncoder.Encode(key, stream)
if stream.indention > 0 {
stream.writeTwoBytes(byte(':'), byte(' '))
} else {
stream.writeByte(':')
}
encoder.elemEncoder.Encode(elem, stream)
}
stream.WriteObjectEnd()
}
func (encoder *mapEncoder) IsEmpty(ptr unsafe.Pointer) bool {
iter := encoder.mapType.UnsafeIterate(ptr)
return !iter.HasNext()
}
type sortKeysMapEncoder struct {
mapType *reflect2.UnsafeMapType
keyEncoder ValEncoder
elemEncoder ValEncoder
}
func (encoder *sortKeysMapEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if *(*unsafe.Pointer)(ptr) == nil {
stream.WriteNil()
return
}
stream.WriteObjectStart()
mapIter := encoder.mapType.UnsafeIterate(ptr)
subStream := stream.cfg.BorrowStream(nil)
subIter := stream.cfg.BorrowIterator(nil)
keyValues := encodedKeyValues{}
for mapIter.HasNext() {
subStream.buf = make([]byte, 0, 64)
key, elem := mapIter.UnsafeNext()
encoder.keyEncoder.Encode(key, subStream)
if subStream.Error != nil && subStream.Error != io.EOF && stream.Error == nil {
stream.Error = subStream.Error
}
encodedKey := subStream.Buffer()
subIter.ResetBytes(encodedKey)
decodedKey := subIter.ReadString()
if stream.indention > 0 {
subStream.writeTwoBytes(byte(':'), byte(' '))
} else {
subStream.writeByte(':')
}
encoder.elemEncoder.Encode(elem, subStream)
keyValues = append(keyValues, encodedKV{
key: decodedKey,
keyValue: subStream.Buffer(),
})
}
sort.Sort(keyValues)
for i, keyValue := range keyValues {
if i != 0 {
stream.WriteMore()
}
stream.Write(keyValue.keyValue)
}
stream.WriteObjectEnd()
stream.cfg.ReturnStream(subStream)
stream.cfg.ReturnIterator(subIter)
}
func (encoder *sortKeysMapEncoder) IsEmpty(ptr unsafe.Pointer) bool {
iter := encoder.mapType.UnsafeIterate(ptr)
return !iter.HasNext()
}
type encodedKeyValues []encodedKV
type encodedKV struct {
key string
keyValue []byte
}
func (sv encodedKeyValues) Len() int { return len(sv) }
func (sv encodedKeyValues) Swap(i, j int) { sv[i], sv[j] = sv[j], sv[i] }
func (sv encodedKeyValues) Less(i, j int) bool { return sv[i].key < sv[j].key }

218
vendor/github.com/json-iterator/go/reflect_marshaler.go generated vendored Normal file
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@ -0,0 +1,218 @@
package jsoniter
import (
"encoding"
"encoding/json"
"github.com/modern-go/reflect2"
"unsafe"
)
var marshalerType = reflect2.TypeOfPtr((*json.Marshaler)(nil)).Elem()
var unmarshalerType = reflect2.TypeOfPtr((*json.Unmarshaler)(nil)).Elem()
var textMarshalerType = reflect2.TypeOfPtr((*encoding.TextMarshaler)(nil)).Elem()
var textUnmarshalerType = reflect2.TypeOfPtr((*encoding.TextUnmarshaler)(nil)).Elem()
func createDecoderOfMarshaler(ctx *ctx, typ reflect2.Type) ValDecoder {
ptrType := reflect2.PtrTo(typ)
if ptrType.Implements(unmarshalerType) {
return &referenceDecoder{
&unmarshalerDecoder{ptrType},
}
}
if ptrType.Implements(textUnmarshalerType) {
return &referenceDecoder{
&textUnmarshalerDecoder{ptrType},
}
}
return nil
}
func createEncoderOfMarshaler(ctx *ctx, typ reflect2.Type) ValEncoder {
if typ == marshalerType {
checkIsEmpty := createCheckIsEmpty(ctx, typ)
var encoder ValEncoder = &directMarshalerEncoder{
checkIsEmpty: checkIsEmpty,
}
return encoder
}
if typ.Implements(marshalerType) {
checkIsEmpty := createCheckIsEmpty(ctx, typ)
var encoder ValEncoder = &marshalerEncoder{
valType: typ,
checkIsEmpty: checkIsEmpty,
}
return encoder
}
ptrType := reflect2.PtrTo(typ)
if ctx.prefix != "" && ptrType.Implements(marshalerType) {
checkIsEmpty := createCheckIsEmpty(ctx, ptrType)
var encoder ValEncoder = &marshalerEncoder{
valType: ptrType,
checkIsEmpty: checkIsEmpty,
}
return &referenceEncoder{encoder}
}
if typ == textMarshalerType {
checkIsEmpty := createCheckIsEmpty(ctx, typ)
var encoder ValEncoder = &directTextMarshalerEncoder{
checkIsEmpty: checkIsEmpty,
stringEncoder: ctx.EncoderOf(reflect2.TypeOf("")),
}
return encoder
}
if typ.Implements(textMarshalerType) {
checkIsEmpty := createCheckIsEmpty(ctx, typ)
var encoder ValEncoder = &textMarshalerEncoder{
valType: typ,
stringEncoder: ctx.EncoderOf(reflect2.TypeOf("")),
checkIsEmpty: checkIsEmpty,
}
return encoder
}
// if prefix is empty, the type is the root type
if ctx.prefix != "" && ptrType.Implements(textMarshalerType) {
checkIsEmpty := createCheckIsEmpty(ctx, ptrType)
var encoder ValEncoder = &textMarshalerEncoder{
valType: ptrType,
stringEncoder: ctx.EncoderOf(reflect2.TypeOf("")),
checkIsEmpty: checkIsEmpty,
}
return &referenceEncoder{encoder}
}
return nil
}
type marshalerEncoder struct {
checkIsEmpty checkIsEmpty
valType reflect2.Type
}
func (encoder *marshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
obj := encoder.valType.UnsafeIndirect(ptr)
if encoder.valType.IsNullable() && reflect2.IsNil(obj) {
stream.WriteNil()
return
}
marshaler := obj.(json.Marshaler)
bytes, err := marshaler.MarshalJSON()
if err != nil {
stream.Error = err
} else {
stream.Write(bytes)
}
}
func (encoder *marshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.checkIsEmpty.IsEmpty(ptr)
}
type directMarshalerEncoder struct {
checkIsEmpty checkIsEmpty
}
func (encoder *directMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
marshaler := *(*json.Marshaler)(ptr)
if marshaler == nil {
stream.WriteNil()
return
}
bytes, err := marshaler.MarshalJSON()
if err != nil {
stream.Error = err
} else {
stream.Write(bytes)
}
}
func (encoder *directMarshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.checkIsEmpty.IsEmpty(ptr)
}
type textMarshalerEncoder struct {
valType reflect2.Type
stringEncoder ValEncoder
checkIsEmpty checkIsEmpty
}
func (encoder *textMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
obj := encoder.valType.UnsafeIndirect(ptr)
if encoder.valType.IsNullable() && reflect2.IsNil(obj) {
stream.WriteNil()
return
}
marshaler := (obj).(encoding.TextMarshaler)
bytes, err := marshaler.MarshalText()
if err != nil {
stream.Error = err
} else {
str := string(bytes)
encoder.stringEncoder.Encode(unsafe.Pointer(&str), stream)
}
}
func (encoder *textMarshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.checkIsEmpty.IsEmpty(ptr)
}
type directTextMarshalerEncoder struct {
stringEncoder ValEncoder
checkIsEmpty checkIsEmpty
}
func (encoder *directTextMarshalerEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
marshaler := *(*encoding.TextMarshaler)(ptr)
if marshaler == nil {
stream.WriteNil()
return
}
bytes, err := marshaler.MarshalText()
if err != nil {
stream.Error = err
} else {
str := string(bytes)
encoder.stringEncoder.Encode(unsafe.Pointer(&str), stream)
}
}
func (encoder *directTextMarshalerEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.checkIsEmpty.IsEmpty(ptr)
}
type unmarshalerDecoder struct {
valType reflect2.Type
}
func (decoder *unmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
valType := decoder.valType
obj := valType.UnsafeIndirect(ptr)
unmarshaler := obj.(json.Unmarshaler)
iter.nextToken()
iter.unreadByte() // skip spaces
bytes := iter.SkipAndReturnBytes()
err := unmarshaler.UnmarshalJSON(bytes)
if err != nil {
iter.ReportError("unmarshalerDecoder", err.Error())
}
}
type textUnmarshalerDecoder struct {
valType reflect2.Type
}
func (decoder *textUnmarshalerDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
valType := decoder.valType
obj := valType.UnsafeIndirect(ptr)
if reflect2.IsNil(obj) {
ptrType := valType.(*reflect2.UnsafePtrType)
elemType := ptrType.Elem()
elem := elemType.UnsafeNew()
ptrType.UnsafeSet(ptr, unsafe.Pointer(&elem))
obj = valType.UnsafeIndirect(ptr)
}
unmarshaler := (obj).(encoding.TextUnmarshaler)
str := iter.ReadString()
err := unmarshaler.UnmarshalText([]byte(str))
if err != nil {
iter.ReportError("textUnmarshalerDecoder", err.Error())
}
}

461
vendor/github.com/json-iterator/go/reflect_native.go generated vendored Normal file
View File

@ -0,0 +1,461 @@
package jsoniter
import (
"bytes"
"encoding/base64"
"reflect"
"strconv"
"unsafe"
"github.com/modern-go/reflect2"
)
const ptrSize = 32 << uintptr(^uintptr(0)>>63)
func createEncoderOfNative(ctx *ctx, typ reflect2.Type) ValEncoder {
if typ.Kind() == reflect.Slice && typ.(reflect2.SliceType).Elem().Kind() == reflect.Uint8 {
sliceDecoder := decoderOfSlice(ctx, typ)
return &base64Codec{sliceDecoder: sliceDecoder}
}
typeName := typ.String()
kind := typ.Kind()
switch kind {
case reflect.String:
if typeName != "string" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*string)(nil)).Elem())
}
return &stringCodec{}
case reflect.Int:
if typeName != "int" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*int)(nil)).Elem())
}
if strconv.IntSize == 32 {
return &int32Codec{}
}
return &int64Codec{}
case reflect.Int8:
if typeName != "int8" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*int8)(nil)).Elem())
}
return &int8Codec{}
case reflect.Int16:
if typeName != "int16" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*int16)(nil)).Elem())
}
return &int16Codec{}
case reflect.Int32:
if typeName != "int32" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*int32)(nil)).Elem())
}
return &int32Codec{}
case reflect.Int64:
if typeName != "int64" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*int64)(nil)).Elem())
}
return &int64Codec{}
case reflect.Uint:
if typeName != "uint" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*uint)(nil)).Elem())
}
if strconv.IntSize == 32 {
return &uint32Codec{}
}
return &uint64Codec{}
case reflect.Uint8:
if typeName != "uint8" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*uint8)(nil)).Elem())
}
return &uint8Codec{}
case reflect.Uint16:
if typeName != "uint16" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*uint16)(nil)).Elem())
}
return &uint16Codec{}
case reflect.Uint32:
if typeName != "uint32" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*uint32)(nil)).Elem())
}
return &uint32Codec{}
case reflect.Uintptr:
if typeName != "uintptr" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*uintptr)(nil)).Elem())
}
if ptrSize == 32 {
return &uint32Codec{}
}
return &uint64Codec{}
case reflect.Uint64:
if typeName != "uint64" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*uint64)(nil)).Elem())
}
return &uint64Codec{}
case reflect.Float32:
if typeName != "float32" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*float32)(nil)).Elem())
}
return &float32Codec{}
case reflect.Float64:
if typeName != "float64" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*float64)(nil)).Elem())
}
return &float64Codec{}
case reflect.Bool:
if typeName != "bool" {
return encoderOfType(ctx, reflect2.TypeOfPtr((*bool)(nil)).Elem())
}
return &boolCodec{}
}
return nil
}
func createDecoderOfNative(ctx *ctx, typ reflect2.Type) ValDecoder {
if typ.Kind() == reflect.Slice && typ.(reflect2.SliceType).Elem().Kind() == reflect.Uint8 {
sliceDecoder := decoderOfSlice(ctx, typ)
return &base64Codec{sliceDecoder: sliceDecoder}
}
typeName := typ.String()
switch typ.Kind() {
case reflect.String:
if typeName != "string" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*string)(nil)).Elem())
}
return &stringCodec{}
case reflect.Int:
if typeName != "int" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*int)(nil)).Elem())
}
if strconv.IntSize == 32 {
return &int32Codec{}
}
return &int64Codec{}
case reflect.Int8:
if typeName != "int8" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*int8)(nil)).Elem())
}
return &int8Codec{}
case reflect.Int16:
if typeName != "int16" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*int16)(nil)).Elem())
}
return &int16Codec{}
case reflect.Int32:
if typeName != "int32" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*int32)(nil)).Elem())
}
return &int32Codec{}
case reflect.Int64:
if typeName != "int64" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*int64)(nil)).Elem())
}
return &int64Codec{}
case reflect.Uint:
if typeName != "uint" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*uint)(nil)).Elem())
}
if strconv.IntSize == 32 {
return &uint32Codec{}
}
return &uint64Codec{}
case reflect.Uint8:
if typeName != "uint8" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*uint8)(nil)).Elem())
}
return &uint8Codec{}
case reflect.Uint16:
if typeName != "uint16" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*uint16)(nil)).Elem())
}
return &uint16Codec{}
case reflect.Uint32:
if typeName != "uint32" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*uint32)(nil)).Elem())
}
return &uint32Codec{}
case reflect.Uintptr:
if typeName != "uintptr" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*uintptr)(nil)).Elem())
}
if ptrSize == 32 {
return &uint32Codec{}
}
return &uint64Codec{}
case reflect.Uint64:
if typeName != "uint64" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*uint64)(nil)).Elem())
}
return &uint64Codec{}
case reflect.Float32:
if typeName != "float32" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*float32)(nil)).Elem())
}
return &float32Codec{}
case reflect.Float64:
if typeName != "float64" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*float64)(nil)).Elem())
}
return &float64Codec{}
case reflect.Bool:
if typeName != "bool" {
return decoderOfType(ctx, reflect2.TypeOfPtr((*bool)(nil)).Elem())
}
return &boolCodec{}
}
return nil
}
type stringCodec struct {
}
func (codec *stringCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
*((*string)(ptr)) = iter.ReadString()
}
func (codec *stringCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
str := *((*string)(ptr))
stream.WriteString(str)
}
func (codec *stringCodec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*string)(ptr)) == ""
}
type int8Codec struct {
}
func (codec *int8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int8)(ptr)) = iter.ReadInt8()
}
}
func (codec *int8Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt8(*((*int8)(ptr)))
}
func (codec *int8Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int8)(ptr)) == 0
}
type int16Codec struct {
}
func (codec *int16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int16)(ptr)) = iter.ReadInt16()
}
}
func (codec *int16Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt16(*((*int16)(ptr)))
}
func (codec *int16Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int16)(ptr)) == 0
}
type int32Codec struct {
}
func (codec *int32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int32)(ptr)) = iter.ReadInt32()
}
}
func (codec *int32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt32(*((*int32)(ptr)))
}
func (codec *int32Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int32)(ptr)) == 0
}
type int64Codec struct {
}
func (codec *int64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*int64)(ptr)) = iter.ReadInt64()
}
}
func (codec *int64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteInt64(*((*int64)(ptr)))
}
func (codec *int64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*int64)(ptr)) == 0
}
type uint8Codec struct {
}
func (codec *uint8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint8)(ptr)) = iter.ReadUint8()
}
}
func (codec *uint8Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint8(*((*uint8)(ptr)))
}
func (codec *uint8Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint8)(ptr)) == 0
}
type uint16Codec struct {
}
func (codec *uint16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint16)(ptr)) = iter.ReadUint16()
}
}
func (codec *uint16Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint16(*((*uint16)(ptr)))
}
func (codec *uint16Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint16)(ptr)) == 0
}
type uint32Codec struct {
}
func (codec *uint32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint32)(ptr)) = iter.ReadUint32()
}
}
func (codec *uint32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint32(*((*uint32)(ptr)))
}
func (codec *uint32Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint32)(ptr)) == 0
}
type uint64Codec struct {
}
func (codec *uint64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*uint64)(ptr)) = iter.ReadUint64()
}
}
func (codec *uint64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteUint64(*((*uint64)(ptr)))
}
func (codec *uint64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*uint64)(ptr)) == 0
}
type float32Codec struct {
}
func (codec *float32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*float32)(ptr)) = iter.ReadFloat32()
}
}
func (codec *float32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteFloat32(*((*float32)(ptr)))
}
func (codec *float32Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*float32)(ptr)) == 0
}
type float64Codec struct {
}
func (codec *float64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*float64)(ptr)) = iter.ReadFloat64()
}
}
func (codec *float64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteFloat64(*((*float64)(ptr)))
}
func (codec *float64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return *((*float64)(ptr)) == 0
}
type boolCodec struct {
}
func (codec *boolCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.ReadNil() {
*((*bool)(ptr)) = iter.ReadBool()
}
}
func (codec *boolCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteBool(*((*bool)(ptr)))
}
func (codec *boolCodec) IsEmpty(ptr unsafe.Pointer) bool {
return !(*((*bool)(ptr)))
}
type base64Codec struct {
sliceType *reflect2.UnsafeSliceType
sliceDecoder ValDecoder
}
func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.ReadNil() {
codec.sliceType.UnsafeSetNil(ptr)
return
}
switch iter.WhatIsNext() {
case StringValue:
encoding := base64.StdEncoding
src := iter.SkipAndReturnBytes()
// New line characters (\r and \n) are ignored.
// Refer to https://golang.org/pkg/encoding/base64/#Encoding.Decode
src = bytes.Replace(src, []byte(`\r`), []byte{}, -1)
src = bytes.Replace(src, []byte(`\n`), []byte{}, -1)
src = src[1 : len(src)-1]
decodedLen := encoding.DecodedLen(len(src))
dst := make([]byte, decodedLen)
len, err := encoding.Decode(dst, src)
if err != nil {
iter.ReportError("decode base64", err.Error())
} else {
dst = dst[:len]
codec.sliceType.UnsafeSet(ptr, unsafe.Pointer(&dst))
}
case ArrayValue:
codec.sliceDecoder.Decode(ptr, iter)
default:
iter.ReportError("base64Codec", "invalid input")
}
}
func (codec *base64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
src := *((*[]byte)(ptr))
if len(src) == 0 {
stream.WriteNil()
return
}
encoding := base64.StdEncoding
stream.writeByte('"')
size := encoding.EncodedLen(len(src))
buf := make([]byte, size)
encoding.Encode(buf, src)
stream.buf = append(stream.buf, buf...)
stream.writeByte('"')
}
func (codec *base64Codec) IsEmpty(ptr unsafe.Pointer) bool {
return len(*((*[]byte)(ptr))) == 0
}

133
vendor/github.com/json-iterator/go/reflect_optional.go generated vendored Normal file
View File

@ -0,0 +1,133 @@
package jsoniter
import (
"github.com/modern-go/reflect2"
"reflect"
"unsafe"
)
func decoderOfOptional(ctx *ctx, typ reflect2.Type) ValDecoder {
ptrType := typ.(*reflect2.UnsafePtrType)
elemType := ptrType.Elem()
decoder := decoderOfType(ctx, elemType)
if ctx.prefix == "" && elemType.Kind() == reflect.Ptr {
return &dereferenceDecoder{elemType, decoder}
}
return &OptionalDecoder{elemType, decoder}
}
func encoderOfOptional(ctx *ctx, typ reflect2.Type) ValEncoder {
ptrType := typ.(*reflect2.UnsafePtrType)
elemType := ptrType.Elem()
elemEncoder := encoderOfType(ctx, elemType)
encoder := &OptionalEncoder{elemEncoder}
return encoder
}
type OptionalDecoder struct {
ValueType reflect2.Type
ValueDecoder ValDecoder
}
func (decoder *OptionalDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if iter.ReadNil() {
*((*unsafe.Pointer)(ptr)) = nil
} else {
if *((*unsafe.Pointer)(ptr)) == nil {
//pointer to null, we have to allocate memory to hold the value
newPtr := decoder.ValueType.UnsafeNew()
decoder.ValueDecoder.Decode(newPtr, iter)
*((*unsafe.Pointer)(ptr)) = newPtr
} else {
//reuse existing instance
decoder.ValueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter)
}
}
}
type dereferenceDecoder struct {
// only to deference a pointer
valueType reflect2.Type
valueDecoder ValDecoder
}
func (decoder *dereferenceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if *((*unsafe.Pointer)(ptr)) == nil {
//pointer to null, we have to allocate memory to hold the value
newPtr := decoder.valueType.UnsafeNew()
decoder.valueDecoder.Decode(newPtr, iter)
*((*unsafe.Pointer)(ptr)) = newPtr
} else {
//reuse existing instance
decoder.valueDecoder.Decode(*((*unsafe.Pointer)(ptr)), iter)
}
}
type OptionalEncoder struct {
ValueEncoder ValEncoder
}
func (encoder *OptionalEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if *((*unsafe.Pointer)(ptr)) == nil {
stream.WriteNil()
} else {
encoder.ValueEncoder.Encode(*((*unsafe.Pointer)(ptr)), stream)
}
}
func (encoder *OptionalEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return *((*unsafe.Pointer)(ptr)) == nil
}
type dereferenceEncoder struct {
ValueEncoder ValEncoder
}
func (encoder *dereferenceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if *((*unsafe.Pointer)(ptr)) == nil {
stream.WriteNil()
} else {
encoder.ValueEncoder.Encode(*((*unsafe.Pointer)(ptr)), stream)
}
}
func (encoder *dereferenceEncoder) IsEmpty(ptr unsafe.Pointer) bool {
dePtr := *((*unsafe.Pointer)(ptr))
if dePtr == nil {
return true
}
return encoder.ValueEncoder.IsEmpty(dePtr)
}
func (encoder *dereferenceEncoder) IsEmbeddedPtrNil(ptr unsafe.Pointer) bool {
deReferenced := *((*unsafe.Pointer)(ptr))
if deReferenced == nil {
return true
}
isEmbeddedPtrNil, converted := encoder.ValueEncoder.(IsEmbeddedPtrNil)
if !converted {
return false
}
fieldPtr := unsafe.Pointer(deReferenced)
return isEmbeddedPtrNil.IsEmbeddedPtrNil(fieldPtr)
}
type referenceEncoder struct {
encoder ValEncoder
}
func (encoder *referenceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
encoder.encoder.Encode(unsafe.Pointer(&ptr), stream)
}
func (encoder *referenceEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.encoder.IsEmpty(unsafe.Pointer(&ptr))
}
type referenceDecoder struct {
decoder ValDecoder
}
func (decoder *referenceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.decoder.Decode(unsafe.Pointer(&ptr), iter)
}

99
vendor/github.com/json-iterator/go/reflect_slice.go generated vendored Normal file
View File

@ -0,0 +1,99 @@
package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"unsafe"
)
func decoderOfSlice(ctx *ctx, typ reflect2.Type) ValDecoder {
sliceType := typ.(*reflect2.UnsafeSliceType)
decoder := decoderOfType(ctx.append("[sliceElem]"), sliceType.Elem())
return &sliceDecoder{sliceType, decoder}
}
func encoderOfSlice(ctx *ctx, typ reflect2.Type) ValEncoder {
sliceType := typ.(*reflect2.UnsafeSliceType)
encoder := encoderOfType(ctx.append("[sliceElem]"), sliceType.Elem())
return &sliceEncoder{sliceType, encoder}
}
type sliceEncoder struct {
sliceType *reflect2.UnsafeSliceType
elemEncoder ValEncoder
}
func (encoder *sliceEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if encoder.sliceType.UnsafeIsNil(ptr) {
stream.WriteNil()
return
}
length := encoder.sliceType.UnsafeLengthOf(ptr)
if length == 0 {
stream.WriteEmptyArray()
return
}
stream.WriteArrayStart()
encoder.elemEncoder.Encode(encoder.sliceType.UnsafeGetIndex(ptr, 0), stream)
for i := 1; i < length; i++ {
stream.WriteMore()
elemPtr := encoder.sliceType.UnsafeGetIndex(ptr, i)
encoder.elemEncoder.Encode(elemPtr, stream)
}
stream.WriteArrayEnd()
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%v: %s", encoder.sliceType, stream.Error.Error())
}
}
func (encoder *sliceEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.sliceType.UnsafeLengthOf(ptr) == 0
}
type sliceDecoder struct {
sliceType *reflect2.UnsafeSliceType
elemDecoder ValDecoder
}
func (decoder *sliceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.doDecode(ptr, iter)
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.sliceType, iter.Error.Error())
}
}
func (decoder *sliceDecoder) doDecode(ptr unsafe.Pointer, iter *Iterator) {
c := iter.nextToken()
sliceType := decoder.sliceType
if c == 'n' {
iter.skipThreeBytes('u', 'l', 'l')
sliceType.UnsafeSetNil(ptr)
return
}
if c != '[' {
iter.ReportError("decode slice", "expect [ or n, but found "+string([]byte{c}))
return
}
c = iter.nextToken()
if c == ']' {
sliceType.UnsafeSet(ptr, sliceType.UnsafeMakeSlice(0, 0))
return
}
iter.unreadByte()
sliceType.UnsafeGrow(ptr, 1)
elemPtr := sliceType.UnsafeGetIndex(ptr, 0)
decoder.elemDecoder.Decode(elemPtr, iter)
length := 1
for c = iter.nextToken(); c == ','; c = iter.nextToken() {
idx := length
length += 1
sliceType.UnsafeGrow(ptr, length)
elemPtr = sliceType.UnsafeGetIndex(ptr, idx)
decoder.elemDecoder.Decode(elemPtr, iter)
}
if c != ']' {
iter.ReportError("decode slice", "expect ], but found "+string([]byte{c}))
return
}
}

506
vendor/github.com/json-iterator/go/feature_reflect_struct_decoder.go → vendor/github.com/json-iterator/go/reflect_struct_decoder.go generated vendored
View File

@ -2,39 +2,73 @@ package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"reflect"
"strings"
"unsafe"
)
func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder) (ValDecoder, error) {
knownHash := map[int32]struct{}{
func decoderOfStruct(ctx *ctx, typ reflect2.Type) ValDecoder {
bindings := map[string]*Binding{}
structDescriptor := describeStruct(ctx, typ)
for _, binding := range structDescriptor.Fields {
for _, fromName := range binding.FromNames {
old := bindings[fromName]
if old == nil {
bindings[fromName] = binding
continue
}
ignoreOld, ignoreNew := resolveConflictBinding(ctx.frozenConfig, old, binding)
if ignoreOld {
delete(bindings, fromName)
}
if !ignoreNew {
bindings[fromName] = binding
}
}
}
fields := map[string]*structFieldDecoder{}
for k, binding := range bindings {
fields[k] = binding.Decoder.(*structFieldDecoder)
}
for k, binding := range bindings {
if _, found := fields[strings.ToLower(k)]; !found {
fields[strings.ToLower(k)] = binding.Decoder.(*structFieldDecoder)
}
}
return createStructDecoder(ctx, typ, fields)
}
func createStructDecoder(ctx *ctx, typ reflect2.Type, fields map[string]*structFieldDecoder) ValDecoder {
if ctx.disallowUnknownFields {
return &generalStructDecoder{typ: typ, fields: fields, disallowUnknownFields: true}
}
knownHash := map[int64]struct{}{
0: {},
}
switch len(fields) {
case 0:
return &skipObjectDecoder{typ}, nil
return &skipObjectDecoder{typ}
case 1:
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
return &oneFieldStructDecoder{typ, fieldHash, fieldDecoder}, nil
return &oneFieldStructDecoder{typ, fieldHash, fieldDecoder}
}
case 2:
var fieldHash1 int32
var fieldHash2 int32
var fieldHash1 int64
var fieldHash2 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
for fieldName, fieldDecoder := range fields {
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldHash1 == 0 {
@ -45,11 +79,11 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldDecoder2 = fieldDecoder
}
}
return &twoFieldsStructDecoder{typ, fieldHash1, fieldDecoder1, fieldHash2, fieldDecoder2}, nil
return &twoFieldsStructDecoder{typ, fieldHash1, fieldDecoder1, fieldHash2, fieldDecoder2}
case 3:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -57,7 +91,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -72,12 +106,14 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &threeFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3}
case 4:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -86,7 +122,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -104,14 +140,16 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &fourFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4}
case 5:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName5 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldName5 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -121,7 +159,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -142,15 +180,18 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &fiveFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4, fieldName5, fieldDecoder5}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4,
fieldName5, fieldDecoder5}
case 6:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName5 int32
var fieldName6 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldName5 int64
var fieldName6 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -161,7 +202,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -185,16 +226,20 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &sixFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4,
fieldName5, fieldDecoder5,
fieldName6, fieldDecoder6}
case 7:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName5 int32
var fieldName6 int32
var fieldName7 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldName5 int64
var fieldName6 int64
var fieldName7 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -206,7 +251,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -233,18 +278,22 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &sevenFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4,
fieldName5, fieldDecoder5,
fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7}
case 8:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName5 int32
var fieldName6 int32
var fieldName7 int32
var fieldName8 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldName5 int64
var fieldName6 int64
var fieldName7 int64
var fieldName8 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -257,7 +306,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -287,19 +336,24 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &eightFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7, fieldName8, fieldDecoder8}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4,
fieldName5, fieldDecoder5,
fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7,
fieldName8, fieldDecoder8}
case 9:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName5 int32
var fieldName6 int32
var fieldName7 int32
var fieldName8 int32
var fieldName9 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldName5 int64
var fieldName6 int64
var fieldName7 int64
var fieldName8 int64
var fieldName9 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -313,7 +367,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -346,20 +400,26 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &nineFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7, fieldName8, fieldDecoder8, fieldName9, fieldDecoder9}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4,
fieldName5, fieldDecoder5,
fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7,
fieldName8, fieldDecoder8,
fieldName9, fieldDecoder9}
case 10:
var fieldName1 int32
var fieldName2 int32
var fieldName3 int32
var fieldName4 int32
var fieldName5 int32
var fieldName6 int32
var fieldName7 int32
var fieldName8 int32
var fieldName9 int32
var fieldName10 int32
var fieldName1 int64
var fieldName2 int64
var fieldName3 int64
var fieldName4 int64
var fieldName5 int64
var fieldName6 int64
var fieldName7 int64
var fieldName8 int64
var fieldName9 int64
var fieldName10 int64
var fieldDecoder1 *structFieldDecoder
var fieldDecoder2 *structFieldDecoder
var fieldDecoder3 *structFieldDecoder
@ -374,7 +434,7 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
fieldHash := calcHash(fieldName)
_, known := knownHash[fieldHash]
if known {
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
knownHash[fieldHash] = struct{}{}
if fieldName1 == 0 {
@ -410,66 +470,80 @@ func createStructDecoder(typ reflect.Type, fields map[string]*structFieldDecoder
}
}
return &tenFieldsStructDecoder{typ,
fieldName1, fieldDecoder1, fieldName2, fieldDecoder2, fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4, fieldName5, fieldDecoder5, fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7, fieldName8, fieldDecoder8, fieldName9, fieldDecoder9,
fieldName10, fieldDecoder10}, nil
fieldName1, fieldDecoder1,
fieldName2, fieldDecoder2,
fieldName3, fieldDecoder3,
fieldName4, fieldDecoder4,
fieldName5, fieldDecoder5,
fieldName6, fieldDecoder6,
fieldName7, fieldDecoder7,
fieldName8, fieldDecoder8,
fieldName9, fieldDecoder9,
fieldName10, fieldDecoder10}
}
return &generalStructDecoder{typ, fields}, nil
return &generalStructDecoder{typ, fields, false}
}
type generalStructDecoder struct {
typ reflect.Type
fields map[string]*structFieldDecoder
typ reflect2.Type
fields map[string]*structFieldDecoder
disallowUnknownFields bool
}
func (decoder *generalStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
if !iter.readObjectStart() {
return
}
var fieldBytes []byte
var c byte
for c = ','; c == ','; c = iter.nextToken() {
decoder.decodeOneField(ptr, iter)
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
if c != '}' {
iter.ReportError("struct Decode", `expect }, but found `+string([]byte{c}))
}
}
func (decoder *generalStructDecoder) decodeOneField(ptr unsafe.Pointer, iter *Iterator) {
var field string
var fieldDecoder *structFieldDecoder
if iter.cfg.objectFieldMustBeSimpleString {
fieldBytes = iter.readObjectFieldAsBytes()
fieldBytes := iter.ReadStringAsSlice()
field = *(*string)(unsafe.Pointer(&fieldBytes))
fieldDecoder = decoder.fields[field]
if fieldDecoder == nil {
fieldDecoder = decoder.fields[strings.ToLower(field)]
}
} else {
field = iter.ReadString()
fieldDecoder = decoder.fields[field]
if fieldDecoder == nil {
fieldDecoder = decoder.fields[strings.ToLower(field)]
}
}
if fieldDecoder == nil {
msg := "found unknown field: " + field
if decoder.disallowUnknownFields {
iter.ReportError("ReadObject", msg)
}
c := iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
}
fieldDecoder := decoder.fields[strings.ToLower(field)]
if fieldDecoder == nil {
iter.Skip()
} else {
fieldDecoder.Decode(ptr, iter)
return
}
for iter.nextToken() == ',' {
if iter.cfg.objectFieldMustBeSimpleString {
fieldBytes := iter.readObjectFieldAsBytes()
field = *(*string)(unsafe.Pointer(&fieldBytes))
} else {
field = iter.ReadString()
c := iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
}
fieldDecoder = decoder.fields[strings.ToLower(field)]
if fieldDecoder == nil {
iter.Skip()
} else {
fieldDecoder.Decode(ptr, iter)
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
c := iter.nextToken()
if c != ':' {
iter.ReportError("ReadObject", "expect : after object field, but found "+string([]byte{c}))
}
fieldDecoder.Decode(ptr, iter)
}
type skipObjectDecoder struct {
typ reflect.Type
typ reflect2.Type
}
func (decoder *skipObjectDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
@ -482,8 +556,8 @@ func (decoder *skipObjectDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
}
type oneFieldStructDecoder struct {
typ reflect.Type
fieldHash int32
typ reflect2.Type
fieldHash int64
fieldDecoder *structFieldDecoder
}
@ -502,15 +576,15 @@ func (decoder *oneFieldStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator)
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type twoFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
}
@ -532,17 +606,17 @@ func (decoder *twoFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type threeFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
}
@ -566,19 +640,19 @@ func (decoder *threeFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type fourFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
}
@ -604,21 +678,21 @@ func (decoder *fourFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type fiveFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
fieldHash5 int32
fieldHash5 int64
fieldDecoder5 *structFieldDecoder
}
@ -646,23 +720,23 @@ func (decoder *fiveFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type sixFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
fieldHash5 int32
fieldHash5 int64
fieldDecoder5 *structFieldDecoder
fieldHash6 int32
fieldHash6 int64
fieldDecoder6 *structFieldDecoder
}
@ -692,25 +766,25 @@ func (decoder *sixFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type sevenFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
fieldHash5 int32
fieldHash5 int64
fieldDecoder5 *structFieldDecoder
fieldHash6 int32
fieldHash6 int64
fieldDecoder6 *structFieldDecoder
fieldHash7 int32
fieldHash7 int64
fieldDecoder7 *structFieldDecoder
}
@ -742,27 +816,27 @@ func (decoder *sevenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type eightFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
fieldHash5 int32
fieldHash5 int64
fieldDecoder5 *structFieldDecoder
fieldHash6 int32
fieldHash6 int64
fieldDecoder6 *structFieldDecoder
fieldHash7 int32
fieldHash7 int64
fieldDecoder7 *structFieldDecoder
fieldHash8 int32
fieldHash8 int64
fieldDecoder8 *structFieldDecoder
}
@ -796,29 +870,29 @@ func (decoder *eightFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterat
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type nineFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
fieldHash5 int32
fieldHash5 int64
fieldDecoder5 *structFieldDecoder
fieldHash6 int32
fieldHash6 int64
fieldDecoder6 *structFieldDecoder
fieldHash7 int32
fieldHash7 int64
fieldDecoder7 *structFieldDecoder
fieldHash8 int32
fieldHash8 int64
fieldDecoder8 *structFieldDecoder
fieldHash9 int32
fieldHash9 int64
fieldDecoder9 *structFieldDecoder
}
@ -854,31 +928,31 @@ func (decoder *nineFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterato
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type tenFieldsStructDecoder struct {
typ reflect.Type
fieldHash1 int32
typ reflect2.Type
fieldHash1 int64
fieldDecoder1 *structFieldDecoder
fieldHash2 int32
fieldHash2 int64
fieldDecoder2 *structFieldDecoder
fieldHash3 int32
fieldHash3 int64
fieldDecoder3 *structFieldDecoder
fieldHash4 int32
fieldHash4 int64
fieldDecoder4 *structFieldDecoder
fieldHash5 int32
fieldHash5 int64
fieldDecoder5 *structFieldDecoder
fieldHash6 int32
fieldHash6 int64
fieldDecoder6 *structFieldDecoder
fieldHash7 int32
fieldHash7 int64
fieldDecoder7 *structFieldDecoder
fieldHash8 int32
fieldHash8 int64
fieldDecoder8 *structFieldDecoder
fieldHash9 int32
fieldHash9 int64
fieldDecoder9 *structFieldDecoder
fieldHash10 int32
fieldHash10 int64
fieldDecoder10 *structFieldDecoder
}
@ -916,19 +990,53 @@ func (decoder *tenFieldsStructDecoder) Decode(ptr unsafe.Pointer, iter *Iterator
}
}
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%v: %s", decoder.typ, iter.Error.Error())
iter.Error = fmt.Errorf("%v.%s", decoder.typ, iter.Error.Error())
}
}
type structFieldDecoder struct {
field *reflect.StructField
field reflect2.StructField
fieldDecoder ValDecoder
}
func (decoder *structFieldDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
fieldPtr := unsafe.Pointer(uintptr(ptr) + decoder.field.Offset)
fieldPtr := decoder.field.UnsafeGet(ptr)
decoder.fieldDecoder.Decode(fieldPtr, iter)
if iter.Error != nil && iter.Error != io.EOF {
iter.Error = fmt.Errorf("%s: %s", decoder.field.Name, iter.Error.Error())
iter.Error = fmt.Errorf("%s: %s", decoder.field.Name(), iter.Error.Error())
}
}
type stringModeStringDecoder struct {
elemDecoder ValDecoder
cfg *frozenConfig
}
func (decoder *stringModeStringDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
decoder.elemDecoder.Decode(ptr, iter)
str := *((*string)(ptr))
tempIter := decoder.cfg.BorrowIterator([]byte(str))
defer decoder.cfg.ReturnIterator(tempIter)
*((*string)(ptr)) = tempIter.ReadString()
}
type stringModeNumberDecoder struct {
elemDecoder ValDecoder
}
func (decoder *stringModeNumberDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
c := iter.nextToken()
if c != '"' {
iter.ReportError("stringModeNumberDecoder", `expect ", but found `+string([]byte{c}))
return
}
decoder.elemDecoder.Decode(ptr, iter)
if iter.Error != nil {
return
}
c = iter.readByte()
if c != '"' {
iter.ReportError("stringModeNumberDecoder", `expect ", but found `+string([]byte{c}))
return
}
}

158
vendor/github.com/json-iterator/go/feature_reflect_object.go → vendor/github.com/json-iterator/go/reflect_struct_encoder.go generated vendored
View File

@ -2,23 +2,20 @@ package jsoniter
import (
"fmt"
"github.com/modern-go/reflect2"
"io"
"reflect"
"strings"
"unsafe"
)
func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
func encoderOfStruct(ctx *ctx, typ reflect2.Type) ValEncoder {
type bindingTo struct {
binding *Binding
toName string
ignored bool
}
orderedBindings := []*bindingTo{}
structDescriptor, err := describeStruct(cfg, typ)
if err != nil {
return nil, err
}
structDescriptor := describeStruct(ctx, typ)
for _, binding := range structDescriptor.Fields {
for _, toName := range binding.ToNames {
new := &bindingTo{
@ -29,13 +26,13 @@ func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
if old.toName != toName {
continue
}
old.ignored, new.ignored = resolveConflictBinding(cfg, old.binding, new.binding)
old.ignored, new.ignored = resolveConflictBinding(ctx.frozenConfig, old.binding, new.binding)
}
orderedBindings = append(orderedBindings, new)
}
}
if len(orderedBindings) == 0 {
return &emptyStructEncoder{}, nil
return &emptyStructEncoder{}
}
finalOrderedFields := []structFieldTo{}
for _, bindingTo := range orderedBindings {
@ -46,12 +43,36 @@ func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValEncoder, error) {
})
}
}
return &structEncoder{structDescriptor.onePtrEmbedded, structDescriptor.onePtrOptimization, finalOrderedFields}, nil
return &structEncoder{typ, finalOrderedFields}
}
func createCheckIsEmpty(ctx *ctx, typ reflect2.Type) checkIsEmpty {
encoder := createEncoderOfNative(ctx, typ)
if encoder != nil {
return encoder
}
kind := typ.Kind()
switch kind {
case reflect.Interface:
return &dynamicEncoder{typ}
case reflect.Struct:
return &structEncoder{typ: typ}
case reflect.Array:
return &arrayEncoder{}
case reflect.Slice:
return &sliceEncoder{}
case reflect.Map:
return encoderOfMap(ctx, typ)
case reflect.Ptr:
return &OptionalEncoder{}
default:
return &lazyErrorEncoder{err: fmt.Errorf("unsupported type: %v", typ)}
}
}
func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ignoreNew bool) {
newTagged := new.Field.Tag.Get(cfg.getTagKey()) != ""
oldTagged := old.Field.Tag.Get(cfg.getTagKey()) != ""
newTagged := new.Field.Tag().Get(cfg.getTagKey()) != ""
oldTagged := old.Field.Tag().Get(cfg.getTagKey()) != ""
if newTagged {
if oldTagged {
if len(old.levels) > len(new.levels) {
@ -78,62 +99,41 @@ func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ig
}
}
func decoderOfStruct(cfg *frozenConfig, typ reflect.Type) (ValDecoder, error) {
bindings := map[string]*Binding{}
structDescriptor, err := describeStruct(cfg, typ)
if err != nil {
return nil, err
}
for _, binding := range structDescriptor.Fields {
for _, fromName := range binding.FromNames {
old := bindings[fromName]
if old == nil {
bindings[fromName] = binding
continue
}
ignoreOld, ignoreNew := resolveConflictBinding(cfg, old, binding)
if ignoreOld {
delete(bindings, fromName)
}
if !ignoreNew {
bindings[fromName] = binding
}
}
}
fields := map[string]*structFieldDecoder{}
for k, binding := range bindings {
fields[strings.ToLower(k)] = binding.Decoder.(*structFieldDecoder)
}
return createStructDecoder(typ, fields)
}
type structFieldEncoder struct {
field *reflect.StructField
field reflect2.StructField
fieldEncoder ValEncoder
omitempty bool
}
func (encoder *structFieldEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
fieldPtr := unsafe.Pointer(uintptr(ptr) + encoder.field.Offset)
fieldPtr := encoder.field.UnsafeGet(ptr)
encoder.fieldEncoder.Encode(fieldPtr, stream)
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%s: %s", encoder.field.Name, stream.Error.Error())
stream.Error = fmt.Errorf("%s: %s", encoder.field.Name(), stream.Error.Error())
}
}
func (encoder *structFieldEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *structFieldEncoder) IsEmpty(ptr unsafe.Pointer) bool {
fieldPtr := unsafe.Pointer(uintptr(ptr) + encoder.field.Offset)
fieldPtr := encoder.field.UnsafeGet(ptr)
return encoder.fieldEncoder.IsEmpty(fieldPtr)
}
func (encoder *structFieldEncoder) IsEmbeddedPtrNil(ptr unsafe.Pointer) bool {
isEmbeddedPtrNil, converted := encoder.fieldEncoder.(IsEmbeddedPtrNil)
if !converted {
return false
}
fieldPtr := encoder.field.UnsafeGet(ptr)
return isEmbeddedPtrNil.IsEmbeddedPtrNil(fieldPtr)
}
type IsEmbeddedPtrNil interface {
IsEmbeddedPtrNil(ptr unsafe.Pointer) bool
}
type structEncoder struct {
onePtrEmbedded bool
onePtrOptimization bool
fields []structFieldTo
typ reflect2.Type
fields []structFieldTo
}
type structFieldTo struct {
@ -148,6 +148,9 @@ func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
if field.encoder.omitempty && field.encoder.IsEmpty(ptr) {
continue
}
if field.encoder.IsEmbeddedPtrNil(ptr) {
continue
}
if isNotFirst {
stream.WriteMore()
}
@ -156,23 +159,8 @@ func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
isNotFirst = true
}
stream.WriteObjectEnd()
}
func (encoder *structEncoder) EncodeInterface(val interface{}, stream *Stream) {
e := (*emptyInterface)(unsafe.Pointer(&val))
if encoder.onePtrOptimization {
if e.word == nil && encoder.onePtrEmbedded {
stream.WriteObjectStart()
stream.WriteObjectEnd()
return
}
ptr := uintptr(e.word)
e.word = unsafe.Pointer(&ptr)
}
if reflect.TypeOf(val).Kind() == reflect.Ptr {
encoder.Encode(unsafe.Pointer(&e.word), stream)
} else {
encoder.Encode(e.word, stream)
if stream.Error != nil && stream.Error != io.EOF {
stream.Error = fmt.Errorf("%v.%s", encoder.typ, stream.Error.Error())
}
}
@ -187,10 +175,36 @@ func (encoder *emptyStructEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.WriteEmptyObject()
}
func (encoder *emptyStructEncoder) EncodeInterface(val interface{}, stream *Stream) {
WriteToStream(val, stream, encoder)
}
func (encoder *emptyStructEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return false
}
type stringModeNumberEncoder struct {
elemEncoder ValEncoder
}
func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
stream.writeByte('"')
encoder.elemEncoder.Encode(ptr, stream)
stream.writeByte('"')
}
func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.elemEncoder.IsEmpty(ptr)
}
type stringModeStringEncoder struct {
elemEncoder ValEncoder
cfg *frozenConfig
}
func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
tempStream := encoder.cfg.BorrowStream(nil)
defer encoder.cfg.ReturnStream(tempStream)
encoder.elemEncoder.Encode(ptr, tempStream)
stream.WriteString(string(tempStream.Buffer()))
}
func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool {
return encoder.elemEncoder.IsEmpty(ptr)
}

155
vendor/github.com/json-iterator/go/feature_stream.go → vendor/github.com/json-iterator/go/stream.go generated vendored
View File

@ -10,7 +10,6 @@ type Stream struct {
cfg *frozenConfig
out io.Writer
buf []byte
n int
Error error
indention int
Attachment interface{} // open for customized encoder
@ -24,8 +23,7 @@ func NewStream(cfg API, out io.Writer, bufSize int) *Stream {
return &Stream{
cfg: cfg.(*frozenConfig),
out: out,
buf: make([]byte, bufSize),
n: 0,
buf: make([]byte, 0, bufSize),
Error: nil,
indention: 0,
}
@ -39,22 +37,27 @@ func (stream *Stream) Pool() StreamPool {
// Reset reuse this stream instance by assign a new writer
func (stream *Stream) Reset(out io.Writer) {
stream.out = out
stream.n = 0
stream.buf = stream.buf[:0]
}
// Available returns how many bytes are unused in the buffer.
func (stream *Stream) Available() int {
return len(stream.buf) - stream.n
return cap(stream.buf) - len(stream.buf)
}
// Buffered returns the number of bytes that have been written into the current buffer.
func (stream *Stream) Buffered() int {
return stream.n
return len(stream.buf)
}
// Buffer if writer is nil, use this method to take the result
func (stream *Stream) Buffer() []byte {
return stream.buf[:stream.n]
return stream.buf
}
// SetBuffer allows to append to the internal buffer directly
func (stream *Stream) SetBuffer(buf []byte) {
stream.buf = buf
}
// Write writes the contents of p into the buffer.
@ -62,97 +65,34 @@ func (stream *Stream) Buffer() []byte {
// If nn < len(p), it also returns an error explaining
// why the write is short.
func (stream *Stream) Write(p []byte) (nn int, err error) {
for len(p) > stream.Available() && stream.Error == nil {
if stream.out == nil {
stream.growAtLeast(len(p))
} else {
var n int
if stream.Buffered() == 0 {
// Large write, empty buffer.
// Write directly from p to avoid copy.
n, stream.Error = stream.out.Write(p)
} else {
n = copy(stream.buf[stream.n:], p)
stream.n += n
stream.Flush()
}
nn += n
p = p[n:]
}
stream.buf = append(stream.buf, p...)
if stream.out != nil {
nn, err = stream.out.Write(stream.buf)
stream.buf = stream.buf[nn:]
return
}
if stream.Error != nil {
return nn, stream.Error
}
n := copy(stream.buf[stream.n:], p)
stream.n += n
nn += n
return nn, nil
return len(p), nil
}
// WriteByte writes a single byte.
func (stream *Stream) writeByte(c byte) {
if stream.Error != nil {
return
}
if stream.Available() < 1 {
stream.growAtLeast(1)
}
stream.buf[stream.n] = c
stream.n++
stream.buf = append(stream.buf, c)
}
func (stream *Stream) writeTwoBytes(c1 byte, c2 byte) {
if stream.Error != nil {
return
}
if stream.Available() < 2 {
stream.growAtLeast(2)
}
stream.buf[stream.n] = c1
stream.buf[stream.n+1] = c2
stream.n += 2
stream.buf = append(stream.buf, c1, c2)
}
func (stream *Stream) writeThreeBytes(c1 byte, c2 byte, c3 byte) {
if stream.Error != nil {
return
}
if stream.Available() < 3 {
stream.growAtLeast(3)
}
stream.buf[stream.n] = c1
stream.buf[stream.n+1] = c2
stream.buf[stream.n+2] = c3
stream.n += 3
stream.buf = append(stream.buf, c1, c2, c3)
}
func (stream *Stream) writeFourBytes(c1 byte, c2 byte, c3 byte, c4 byte) {
if stream.Error != nil {
return
}
if stream.Available() < 4 {
stream.growAtLeast(4)
}
stream.buf[stream.n] = c1
stream.buf[stream.n+1] = c2
stream.buf[stream.n+2] = c3
stream.buf[stream.n+3] = c4
stream.n += 4
stream.buf = append(stream.buf, c1, c2, c3, c4)
}
func (stream *Stream) writeFiveBytes(c1 byte, c2 byte, c3 byte, c4 byte, c5 byte) {
if stream.Error != nil {
return
}
if stream.Available() < 5 {
stream.growAtLeast(5)
}
stream.buf[stream.n] = c1
stream.buf[stream.n+1] = c2
stream.buf[stream.n+2] = c3
stream.buf[stream.n+3] = c4
stream.buf[stream.n+4] = c5
stream.n += 5
stream.buf = append(stream.buf, c1, c2, c3, c4, c5)
}
// Flush writes any buffered data to the underlying io.Writer.
@ -163,56 +103,20 @@ func (stream *Stream) Flush() error {
if stream.Error != nil {
return stream.Error
}
if stream.n == 0 {
return nil
}
n, err := stream.out.Write(stream.buf[0:stream.n])
if n < stream.n && err == nil {
err = io.ErrShortWrite
}
n, err := stream.out.Write(stream.buf)
if err != nil {
if n > 0 && n < stream.n {
copy(stream.buf[0:stream.n-n], stream.buf[n:stream.n])
if stream.Error == nil {
stream.Error = err
}
stream.n -= n
stream.Error = err
return err
}
stream.n = 0
stream.buf = stream.buf[n:]
return nil
}
func (stream *Stream) ensure(minimal int) {
available := stream.Available()
if available < minimal {
stream.growAtLeast(minimal)
}
}
func (stream *Stream) growAtLeast(minimal int) {
if stream.out != nil {
stream.Flush()
if stream.Available() >= minimal {
return
}
}
toGrow := len(stream.buf)
if toGrow < minimal {
toGrow = minimal
}
newBuf := make([]byte, len(stream.buf)+toGrow)
copy(newBuf, stream.Buffer())
stream.buf = newBuf
}
// WriteRaw write string out without quotes, just like []byte
func (stream *Stream) WriteRaw(s string) {
stream.ensure(len(s))
if stream.Error != nil {
return
}
n := copy(stream.buf[stream.n:], s)
stream.n += n
stream.buf = append(stream.buf, s...)
}
// WriteNil write null to stream
@ -273,6 +177,7 @@ func (stream *Stream) WriteEmptyObject() {
func (stream *Stream) WriteMore() {
stream.writeByte(',')
stream.writeIndention(0)
stream.Flush()
}
// WriteArrayStart write [ with possible indention
@ -300,9 +205,7 @@ func (stream *Stream) writeIndention(delta int) {
}
stream.writeByte('\n')
toWrite := stream.indention - delta
stream.ensure(toWrite)
for i := 0; i < toWrite && stream.n < len(stream.buf); i++ {
stream.buf[stream.n] = ' '
stream.n++
for i := 0; i < toWrite; i++ {
stream.buf = append(stream.buf, ' ')
}
}

14
vendor/github.com/json-iterator/go/feature_stream_float.go → vendor/github.com/json-iterator/go/stream_float.go generated vendored
View File

@ -21,7 +21,7 @@ func (stream *Stream) WriteFloat32(val float32) {
fmt = 'e'
}
}
stream.WriteRaw(strconv.FormatFloat(float64(val), fmt, -1, 32))
stream.buf = strconv.AppendFloat(stream.buf, float64(val), fmt, -1, 32)
}
// WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster
@ -43,13 +43,12 @@ func (stream *Stream) WriteFloat32Lossy(val float32) {
return
}
stream.writeByte('.')
stream.ensure(10)
for p := precision - 1; p > 0 && fval < pow10[p]; p-- {
stream.writeByte('0')
}
stream.WriteUint64(fval)
for stream.buf[stream.n-1] == '0' {
stream.n--
for stream.buf[len(stream.buf)-1] == '0' {
stream.buf = stream.buf[:len(stream.buf)-1]
}
}
@ -63,7 +62,7 @@ func (stream *Stream) WriteFloat64(val float64) {
fmt = 'e'
}
}
stream.WriteRaw(strconv.FormatFloat(float64(val), fmt, -1, 64))
stream.buf = strconv.AppendFloat(stream.buf, float64(val), fmt, -1, 64)
}
// WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster
@ -85,12 +84,11 @@ func (stream *Stream) WriteFloat64Lossy(val float64) {
return
}
stream.writeByte('.')
stream.ensure(10)
for p := precision - 1; p > 0 && fval < pow10[p]; p-- {
stream.writeByte('0')
}
stream.WriteUint64(fval)
for stream.buf[stream.n-1] == '0' {
stream.n--
for stream.buf[len(stream.buf)-1] == '0' {
stream.buf = stream.buf[:len(stream.buf)-1]
}
}

190
vendor/github.com/json-iterator/go/stream_int.go generated vendored Normal file
View File

@ -0,0 +1,190 @@
package jsoniter
var digits []uint32
func init() {
digits = make([]uint32, 1000)
for i := uint32(0); i < 1000; i++ {
digits[i] = (((i / 100) + '0') << 16) + ((((i / 10) % 10) + '0') << 8) + i%10 + '0'
if i < 10 {
digits[i] += 2 << 24
} else if i < 100 {
digits[i] += 1 << 24
}
}
}
func writeFirstBuf(space []byte, v uint32) []byte {
start := v >> 24
if start == 0 {
space = append(space, byte(v>>16), byte(v>>8))
} else if start == 1 {
space = append(space, byte(v>>8))
}
space = append(space, byte(v))
return space
}
func writeBuf(buf []byte, v uint32) []byte {
return append(buf, byte(v>>16), byte(v>>8), byte(v))
}
// WriteUint8 write uint8 to stream
func (stream *Stream) WriteUint8(val uint8) {
stream.buf = writeFirstBuf(stream.buf, digits[val])
}
// WriteInt8 write int8 to stream
func (stream *Stream) WriteInt8(nval int8) {
var val uint8
if nval < 0 {
val = uint8(-nval)
stream.buf = append(stream.buf, '-')
} else {
val = uint8(nval)
}
stream.buf = writeFirstBuf(stream.buf, digits[val])
}
// WriteUint16 write uint16 to stream
func (stream *Stream) WriteUint16(val uint16) {
q1 := val / 1000
if q1 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[val])
return
}
r1 := val - q1*1000
stream.buf = writeFirstBuf(stream.buf, digits[q1])
stream.buf = writeBuf(stream.buf, digits[r1])
return
}
// WriteInt16 write int16 to stream
func (stream *Stream) WriteInt16(nval int16) {
var val uint16
if nval < 0 {
val = uint16(-nval)
stream.buf = append(stream.buf, '-')
} else {
val = uint16(nval)
}
stream.WriteUint16(val)
}
// WriteUint32 write uint32 to stream
func (stream *Stream) WriteUint32(val uint32) {
q1 := val / 1000
if q1 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[val])
return
}
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q1])
stream.buf = writeBuf(stream.buf, digits[r1])
return
}
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q2])
} else {
r3 := q2 - q3*1000
stream.buf = append(stream.buf, byte(q3+'0'))
stream.buf = writeBuf(stream.buf, digits[r3])
}
stream.buf = writeBuf(stream.buf, digits[r2])
stream.buf = writeBuf(stream.buf, digits[r1])
}
// WriteInt32 write int32 to stream
func (stream *Stream) WriteInt32(nval int32) {
var val uint32
if nval < 0 {
val = uint32(-nval)
stream.buf = append(stream.buf, '-')
} else {
val = uint32(nval)
}
stream.WriteUint32(val)
}
// WriteUint64 write uint64 to stream
func (stream *Stream) WriteUint64(val uint64) {
q1 := val / 1000
if q1 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[val])
return
}
r1 := val - q1*1000
q2 := q1 / 1000
if q2 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q1])
stream.buf = writeBuf(stream.buf, digits[r1])
return
}
r2 := q1 - q2*1000
q3 := q2 / 1000
if q3 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q2])
stream.buf = writeBuf(stream.buf, digits[r2])
stream.buf = writeBuf(stream.buf, digits[r1])
return
}
r3 := q2 - q3*1000
q4 := q3 / 1000
if q4 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q3])
stream.buf = writeBuf(stream.buf, digits[r3])
stream.buf = writeBuf(stream.buf, digits[r2])
stream.buf = writeBuf(stream.buf, digits[r1])
return
}
r4 := q3 - q4*1000
q5 := q4 / 1000
if q5 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q4])
stream.buf = writeBuf(stream.buf, digits[r4])
stream.buf = writeBuf(stream.buf, digits[r3])
stream.buf = writeBuf(stream.buf, digits[r2])
stream.buf = writeBuf(stream.buf, digits[r1])
return
}
r5 := q4 - q5*1000
q6 := q5 / 1000
if q6 == 0 {
stream.buf = writeFirstBuf(stream.buf, digits[q5])
} else {
stream.buf = writeFirstBuf(stream.buf, digits[q6])
r6 := q5 - q6*1000
stream.buf = writeBuf(stream.buf, digits[r6])
}
stream.buf = writeBuf(stream.buf, digits[r5])
stream.buf = writeBuf(stream.buf, digits[r4])
stream.buf = writeBuf(stream.buf, digits[r3])
stream.buf = writeBuf(stream.buf, digits[r2])
stream.buf = writeBuf(stream.buf, digits[r1])
}
// WriteInt64 write int64 to stream
func (stream *Stream) WriteInt64(nval int64) {
var val uint64
if nval < 0 {
val = uint64(-nval)
stream.buf = append(stream.buf, '-')
} else {
val = uint64(nval)
}
stream.WriteUint64(val)
}
// WriteInt write int to stream
func (stream *Stream) WriteInt(val int) {
stream.WriteInt64(int64(val))
}
// WriteUint write uint to stream
func (stream *Stream) WriteUint(val uint) {
stream.WriteUint64(uint64(val))
}

40
vendor/github.com/json-iterator/go/feature_stream_string.go → vendor/github.com/json-iterator/go/stream_str.go generated vendored
View File

@ -219,34 +219,22 @@ var hex = "0123456789abcdef"
// WriteStringWithHTMLEscaped write string to stream with html special characters escaped
func (stream *Stream) WriteStringWithHTMLEscaped(s string) {
stream.ensure(32)
valLen := len(s)
toWriteLen := valLen
bufLengthMinusTwo := len(stream.buf) - 2 // make room for the quotes
if stream.n+toWriteLen > bufLengthMinusTwo {
toWriteLen = bufLengthMinusTwo - stream.n
}
n := stream.n
stream.buf[n] = '"'
n++
stream.buf = append(stream.buf, '"')
// write string, the fast path, without utf8 and escape support
i := 0
for ; i < toWriteLen; i++ {
for ; i < valLen; i++ {
c := s[i]
if c < utf8.RuneSelf && htmlSafeSet[c] {
stream.buf[n] = c
n++
stream.buf = append(stream.buf, c)
} else {
break
}
}
if i == valLen {
stream.buf[n] = '"'
n++
stream.n = n
stream.buf = append(stream.buf, '"')
return
}
stream.n = n
writeStringSlowPathWithHTMLEscaped(stream, i, s, valLen)
}
@ -321,34 +309,22 @@ func writeStringSlowPathWithHTMLEscaped(stream *Stream, i int, s string, valLen
// WriteString write string to stream without html escape
func (stream *Stream) WriteString(s string) {
stream.ensure(32)
valLen := len(s)
toWriteLen := valLen
bufLengthMinusTwo := len(stream.buf) - 2 // make room for the quotes
if stream.n+toWriteLen > bufLengthMinusTwo {
toWriteLen = bufLengthMinusTwo - stream.n
}
n := stream.n
stream.buf[n] = '"'
n++
stream.buf = append(stream.buf, '"')
// write string, the fast path, without utf8 and escape support
i := 0
for ; i < toWriteLen; i++ {
for ; i < valLen; i++ {
c := s[i]
if c > 31 && c != '"' && c != '\\' {
stream.buf[n] = c
n++
stream.buf = append(stream.buf, c)
} else {
break
}
}
if i == valLen {
stream.buf[n] = '"'
n++
stream.n = n
stream.buf = append(stream.buf, '"')
return
}
stream.n = n
writeStringSlowPath(stream, i, s, valLen)
}

2
vendor/github.com/json-iterator/go/test.sh generated vendored
View File

@ -4,7 +4,7 @@ set -e
echo "" > coverage.txt
for d in $(go list ./... | grep -v vendor); do
go test -coverprofile=profile.out $d
go test -coverprofile=profile.out -coverpkg=github.com/json-iterator/go $d
if [ -f profile.out ]; then
cat profile.out >> coverage.txt
rm profile.out

1
vendor/github.com/modern-go/concurrent/.gitignore generated vendored Normal file
View File

@ -0,0 +1 @@
/coverage.txt

14
vendor/github.com/modern-go/concurrent/.travis.yml generated vendored Normal file
View File

@ -0,0 +1,14 @@
language: go
go:
- 1.8.x
- 1.x
before_install:
- go get -t -v ./...
script:
- ./test.sh
after_success:
- bash <(curl -s https://codecov.io/bash)

201
vendor/github.com/modern-go/concurrent/LICENSE generated vendored Normal file
View File

@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
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(except as stated in this section) patent license to make, have made,
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where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
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or a Contribution incorporated within the Work constitutes direct
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APPENDIX: How to apply the Apache License to your work.
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Unless required by applicable law or agreed to in writing, software
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

49
vendor/github.com/modern-go/concurrent/README.md generated vendored Normal file
View File

@ -0,0 +1,49 @@
# concurrent
[![Sourcegraph](https://sourcegraph.com/github.com/modern-go/concurrent/-/badge.svg)](https://sourcegraph.com/github.com/modern-go/concurrent?badge)
[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/modern-go/concurrent)
[![Build Status](https://travis-ci.org/modern-go/concurrent.svg?branch=master)](https://travis-ci.org/modern-go/concurrent)
[![codecov](https://codecov.io/gh/modern-go/concurrent/branch/master/graph/badge.svg)](https://codecov.io/gh/modern-go/concurrent)
[![rcard](https://goreportcard.com/badge/github.com/modern-go/concurrent)](https://goreportcard.com/report/github.com/modern-go/concurrent)
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://raw.githubusercontent.com/modern-go/concurrent/master/LICENSE)
* concurrent.Map: backport sync.Map for go below 1.9
* concurrent.Executor: goroutine with explicit ownership and cancellable
# concurrent.Map
because sync.Map is only available in go 1.9, we can use concurrent.Map to make code portable
```go
m := concurrent.NewMap()
m.Store("hello", "world")
elem, found := m.Load("hello")
// elem will be "world"
// found will be true
```
# concurrent.Executor
```go
executor := concurrent.NewUnboundedExecutor()
executor.Go(func(ctx context.Context) {
everyMillisecond := time.NewTicker(time.Millisecond)
for {
select {
case <-ctx.Done():
fmt.Println("goroutine exited")
return
case <-everyMillisecond.C:
// do something
}
}
})
time.Sleep(time.Second)
executor.StopAndWaitForever()
fmt.Println("executor stopped")
```
attach goroutine to executor instance, so that we can
* cancel it by stop the executor with Stop/StopAndWait/StopAndWaitForever
* handle panic by callback: the default behavior will no longer crash your application

14
vendor/github.com/modern-go/concurrent/executor.go generated vendored Normal file
View File

@ -0,0 +1,14 @@
package concurrent
import "context"
// Executor replace go keyword to start a new goroutine
// the goroutine should cancel itself if the context passed in has been cancelled
// the goroutine started by the executor, is owned by the executor
// we can cancel all executors owned by the executor just by stop the executor itself
// however Executor interface does not Stop method, the one starting and owning executor
// should use the concrete type of executor, instead of this interface.
type Executor interface {
// Go starts a new goroutine controlled by the context
Go(handler func(ctx context.Context))
}

15
vendor/github.com/modern-go/concurrent/go_above_19.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
//+build go1.9
package concurrent
import "sync"
// Map is a wrapper for sync.Map introduced in go1.9
type Map struct {
sync.Map
}
// NewMap creates a thread safe Map
func NewMap() *Map {
return &Map{}
}

33
vendor/github.com/modern-go/concurrent/go_below_19.go generated vendored Normal file
View File

@ -0,0 +1,33 @@
//+build !go1.9
package concurrent
import "sync"
// Map implements a thread safe map for go version below 1.9 using mutex
type Map struct {
lock sync.RWMutex
data map[interface{}]interface{}
}
// NewMap creates a thread safe map
func NewMap() *Map {
return &Map{
data: make(map[interface{}]interface{}, 32),
}
}
// Load is same as sync.Map Load
func (m *Map) Load(key interface{}) (elem interface{}, found bool) {
m.lock.RLock()
elem, found = m.data[key]
m.lock.RUnlock()
return
}
// Load is same as sync.Map Store
func (m *Map) Store(key interface{}, elem interface{}) {
m.lock.Lock()
m.data[key] = elem
m.lock.Unlock()
}

13
vendor/github.com/modern-go/concurrent/log.go generated vendored Normal file
View File

@ -0,0 +1,13 @@
package concurrent
import (
"os"
"log"
"io/ioutil"
)
// ErrorLogger is used to print out error, can be set to writer other than stderr
var ErrorLogger = log.New(os.Stderr, "", 0)
// InfoLogger is used to print informational message, default to off
var InfoLogger = log.New(ioutil.Discard, "", 0)

12
vendor/github.com/modern-go/concurrent/test.sh generated vendored Executable file
View File

@ -0,0 +1,12 @@
#!/usr/bin/env bash
set -e
echo "" > coverage.txt
for d in $(go list ./... | grep -v vendor); do
go test -coverprofile=profile.out -coverpkg=github.com/modern-go/concurrent $d
if [ -f profile.out ]; then
cat profile.out >> coverage.txt
rm profile.out
fi
done

119
vendor/github.com/modern-go/concurrent/unbounded_executor.go generated vendored Normal file
View File

@ -0,0 +1,119 @@
package concurrent
import (
"context"
"fmt"
"runtime"
"runtime/debug"
"sync"
"time"
"reflect"
)
// HandlePanic logs goroutine panic by default
var HandlePanic = func(recovered interface{}, funcName string) {
ErrorLogger.Println(fmt.Sprintf("%s panic: %v", funcName, recovered))
ErrorLogger.Println(string(debug.Stack()))
}
// UnboundedExecutor is a executor without limits on counts of alive goroutines
// it tracks the goroutine started by it, and can cancel them when shutdown
type UnboundedExecutor struct {
ctx context.Context
cancel context.CancelFunc
activeGoroutinesMutex *sync.Mutex
activeGoroutines map[string]int
HandlePanic func(recovered interface{}, funcName string)
}
// GlobalUnboundedExecutor has the life cycle of the program itself
// any goroutine want to be shutdown before main exit can be started from this executor
// GlobalUnboundedExecutor expects the main function to call stop
// it does not magically knows the main function exits
var GlobalUnboundedExecutor = NewUnboundedExecutor()
// NewUnboundedExecutor creates a new UnboundedExecutor,
// UnboundedExecutor can not be created by &UnboundedExecutor{}
// HandlePanic can be set with a callback to override global HandlePanic
func NewUnboundedExecutor() *UnboundedExecutor {
ctx, cancel := context.WithCancel(context.TODO())
return &UnboundedExecutor{
ctx: ctx,
cancel: cancel,
activeGoroutinesMutex: &sync.Mutex{},
activeGoroutines: map[string]int{},
}
}
// Go starts a new goroutine and tracks its lifecycle.
// Panic will be recovered and logged automatically, except for StopSignal
func (executor *UnboundedExecutor) Go(handler func(ctx context.Context)) {
pc := reflect.ValueOf(handler).Pointer()
f := runtime.FuncForPC(pc)
funcName := f.Name()
file, line := f.FileLine(pc)
executor.activeGoroutinesMutex.Lock()
defer executor.activeGoroutinesMutex.Unlock()
startFrom := fmt.Sprintf("%s:%d", file, line)
executor.activeGoroutines[startFrom] += 1
go func() {
defer func() {
recovered := recover()
// if you want to quit a goroutine without trigger HandlePanic
// use runtime.Goexit() to quit
if recovered != nil {
if executor.HandlePanic == nil {
HandlePanic(recovered, funcName)
} else {
executor.HandlePanic(recovered, funcName)
}
}
executor.activeGoroutinesMutex.Lock()
executor.activeGoroutines[startFrom] -= 1
executor.activeGoroutinesMutex.Unlock()
}()
handler(executor.ctx)
}()
}
// Stop cancel all goroutines started by this executor without wait
func (executor *UnboundedExecutor) Stop() {
executor.cancel()
}
// StopAndWaitForever cancel all goroutines started by this executor and
// wait until all goroutines exited
func (executor *UnboundedExecutor) StopAndWaitForever() {
executor.StopAndWait(context.Background())
}
// StopAndWait cancel all goroutines started by this executor and wait.
// Wait can be cancelled by the context passed in.
func (executor *UnboundedExecutor) StopAndWait(ctx context.Context) {
executor.cancel()
for {
oneHundredMilliseconds := time.NewTimer(time.Millisecond * 100)
select {
case <-oneHundredMilliseconds.C:
if executor.checkNoActiveGoroutines() {
return
}
case <-ctx.Done():
return
}
}
}
func (executor *UnboundedExecutor) checkNoActiveGoroutines() bool {
executor.activeGoroutinesMutex.Lock()
defer executor.activeGoroutinesMutex.Unlock()
for startFrom, count := range executor.activeGoroutines {
if count > 0 {
InfoLogger.Println("UnboundedExecutor is still waiting goroutines to quit",
"startFrom", startFrom,
"count", count)
return false
}
}
return true
}

2
vendor/github.com/modern-go/reflect2/.gitignore generated vendored Normal file
View File

@ -0,0 +1,2 @@
/vendor
/coverage.txt

14
vendor/github.com/modern-go/reflect2/.travis.yml generated vendored Normal file
View File

@ -0,0 +1,14 @@
language: go
go:
- 1.8.x
- 1.x
before_install:
- go get -t -v ./...
script:
- ./test.sh
after_success:
- bash <(curl -s https://codecov.io/bash)

15
vendor/github.com/modern-go/reflect2/Gopkg.lock generated vendored Normal file
View File

@ -0,0 +1,15 @@
# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
[[projects]]
name = "github.com/modern-go/concurrent"
packages = ["."]
revision = "e0a39a4cb4216ea8db28e22a69f4ec25610d513a"
version = "1.0.0"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "daee8a88b3498b61c5640056665b8b9eea062006f5e596bbb6a3ed9119a11ec7"
solver-name = "gps-cdcl"
solver-version = 1

35
vendor/github.com/modern-go/reflect2/Gopkg.toml generated vendored Normal file
View File

@ -0,0 +1,35 @@
# Gopkg.toml example
#
# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
# for detailed Gopkg.toml documentation.
#
# required = ["github.com/user/thing/cmd/thing"]
# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
#
# [[constraint]]
# name = "github.com/user/project"
# version = "1.0.0"
#
# [[constraint]]
# name = "github.com/user/project2"
# branch = "dev"
# source = "github.com/myfork/project2"
#
# [[override]]
# name = "github.com/x/y"
# version = "2.4.0"
#
# [prune]
# non-go = false
# go-tests = true
# unused-packages = true
ignored = ["github.com/modern-go/test","github.com/modern-go/test/must","github.com/modern-go/test/should"]
[[constraint]]
name = "github.com/modern-go/concurrent"
version = "1.0.0"
[prune]
go-tests = true
unused-packages = true

201
vendor/github.com/modern-go/reflect2/LICENSE generated vendored Normal file
View File

@ -0,0 +1,201 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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whether in tort (including negligence), contract, or otherwise,
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of any other Contributor, and only if You agree to indemnify,
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incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
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To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
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# reflect2
[![Sourcegraph](https://sourcegraph.com/github.com/modern-go/reflect2/-/badge.svg)](https://sourcegraph.com/github.com/modern-go/reflect2?badge)
[![GoDoc](http://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](http://godoc.org/github.com/modern-go/reflect2)
[![Build Status](https://travis-ci.org/modern-go/reflect2.svg?branch=master)](https://travis-ci.org/modern-go/reflect2)
[![codecov](https://codecov.io/gh/modern-go/reflect2/branch/master/graph/badge.svg)](https://codecov.io/gh/modern-go/reflect2)
[![rcard](https://goreportcard.com/badge/github.com/modern-go/reflect2)](https://goreportcard.com/report/github.com/modern-go/reflect2)
[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://raw.githubusercontent.com/modern-go/reflect2/master/LICENSE)
reflect api that avoids runtime reflect.Value cost
* reflect get/set interface{}, with type checking
* reflect get/set unsafe.Pointer, without type checking
* `reflect2.TypeByName` works like `Class.forName` found in java
[json-iterator](https://github.com/json-iterator/go) use this package to save runtime dispatching cost.
This package is designed for low level libraries to optimize reflection performance.
General application should still use reflect standard library.
# reflect2.TypeByName
```go
// given package is github.com/your/awesome-package
type MyStruct struct {
// ...
}
// will return the type
reflect2.TypeByName("awesome-package.MyStruct")
// however, if the type has not been used
// it will be eliminated by compiler, so we can not get it in runtime
```
# reflect2 get/set interface{}
```go
valType := reflect2.TypeOf(1)
i := 1
j := 10
valType.Set(&i, &j)
// i will be 10
```
to get set `type`, always use its pointer `*type`
# reflect2 get/set unsafe.Pointer
```go
valType := reflect2.TypeOf(1)
i := 1
j := 10
valType.UnsafeSet(unsafe.Pointer(&i), unsafe.Pointer(&j))
// i will be 10
```
to get set `type`, always use its pointer `*type`
# benchmark
Benchmark is not necessary for this package. It does nothing actually.
As it is just a thin wrapper to make go runtime public.
Both `reflect2` and `reflect` call same function
provided by `runtime` package exposed by go language.
# unsafe safety
Instead of casting `[]byte` to `sliceHeader` in your application using unsafe.
We can use reflect2 instead. This way, if `sliceHeader` changes in the future,
only reflect2 need to be upgraded.
reflect2 tries its best to keep the implementation same as reflect (by testing).

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//+build go1.7
package reflect2
import "unsafe"
//go:linkname resolveTypeOff reflect.resolveTypeOff
func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer

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//+build go1.9
package reflect2
import (
"unsafe"
)
//go:linkname makemap reflect.makemap
func makemap(rtype unsafe.Pointer, cap int) (m unsafe.Pointer)
func makeMapWithSize(rtype unsafe.Pointer, cap int) unsafe.Pointer {
return makemap(rtype, cap)
}

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//+build !go1.7
package reflect2
import "unsafe"
func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer {
return nil
}

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//+build !go1.9
package reflect2
import (
"unsafe"
)
//go:linkname makemap reflect.makemap
func makemap(rtype unsafe.Pointer) (m unsafe.Pointer)
func makeMapWithSize(rtype unsafe.Pointer, cap int) unsafe.Pointer {
return makemap(rtype)
}

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package reflect2
import (
"github.com/modern-go/concurrent"
"reflect"
"unsafe"
)
type Type interface {
Kind() reflect.Kind
// New return pointer to data of this type
New() interface{}
// UnsafeNew return the allocated space pointed by unsafe.Pointer
UnsafeNew() unsafe.Pointer
// PackEFace cast a unsafe pointer to object represented pointer
PackEFace(ptr unsafe.Pointer) interface{}
// Indirect dereference object represented pointer to this type
Indirect(obj interface{}) interface{}
// UnsafeIndirect dereference pointer to this type
UnsafeIndirect(ptr unsafe.Pointer) interface{}
// Type1 returns reflect.Type
Type1() reflect.Type
Implements(thatType Type) bool
String() string
RType() uintptr
// interface{} of this type has pointer like behavior
LikePtr() bool
IsNullable() bool
IsNil(obj interface{}) bool
UnsafeIsNil(ptr unsafe.Pointer) bool
Set(obj interface{}, val interface{})
UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer)
AssignableTo(anotherType Type) bool
}
type ListType interface {
Type
Elem() Type
SetIndex(obj interface{}, index int, elem interface{})
UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer)
GetIndex(obj interface{}, index int) interface{}
UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer
}
type ArrayType interface {
ListType
Len() int
}
type SliceType interface {
ListType
MakeSlice(length int, cap int) interface{}
UnsafeMakeSlice(length int, cap int) unsafe.Pointer
Grow(obj interface{}, newLength int)
UnsafeGrow(ptr unsafe.Pointer, newLength int)
Append(obj interface{}, elem interface{})
UnsafeAppend(obj unsafe.Pointer, elem unsafe.Pointer)
LengthOf(obj interface{}) int
UnsafeLengthOf(ptr unsafe.Pointer) int
SetNil(obj interface{})
UnsafeSetNil(ptr unsafe.Pointer)
Cap(obj interface{}) int
UnsafeCap(ptr unsafe.Pointer) int
}
type StructType interface {
Type
NumField() int
Field(i int) StructField
FieldByName(name string) StructField
FieldByIndex(index []int) StructField
FieldByNameFunc(match func(string) bool) StructField
}
type StructField interface {
Offset() uintptr
Name() string
PkgPath() string
Type() Type
Tag() reflect.StructTag
Index() []int
Anonymous() bool
Set(obj interface{}, value interface{})
UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer)
Get(obj interface{}) interface{}
UnsafeGet(obj unsafe.Pointer) unsafe.Pointer
}
type MapType interface {
Type
Key() Type
Elem() Type
MakeMap(cap int) interface{}
UnsafeMakeMap(cap int) unsafe.Pointer
SetIndex(obj interface{}, key interface{}, elem interface{})
UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer)
TryGetIndex(obj interface{}, key interface{}) (interface{}, bool)
GetIndex(obj interface{}, key interface{}) interface{}
UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer
Iterate(obj interface{}) MapIterator
UnsafeIterate(obj unsafe.Pointer) MapIterator
}
type MapIterator interface {
HasNext() bool
Next() (key interface{}, elem interface{})
UnsafeNext() (key unsafe.Pointer, elem unsafe.Pointer)
}
type PtrType interface {
Type
Elem() Type
}
type InterfaceType interface {
NumMethod() int
}
type Config struct {
UseSafeImplementation bool
}
type API interface {
TypeOf(obj interface{}) Type
Type2(type1 reflect.Type) Type
}
var ConfigUnsafe = Config{UseSafeImplementation: false}.Froze()
var ConfigSafe = Config{UseSafeImplementation: true}.Froze()
type frozenConfig struct {
useSafeImplementation bool
cache *concurrent.Map
}
func (cfg Config) Froze() *frozenConfig {
return &frozenConfig{
useSafeImplementation: cfg.UseSafeImplementation,
cache: concurrent.NewMap(),
}
}
func (cfg *frozenConfig) TypeOf(obj interface{}) Type {
cacheKey := uintptr(unpackEFace(obj).rtype)
typeObj, found := cfg.cache.Load(cacheKey)
if found {
return typeObj.(Type)
}
return cfg.Type2(reflect.TypeOf(obj))
}
func (cfg *frozenConfig) Type2(type1 reflect.Type) Type {
cacheKey := uintptr(unpackEFace(type1).data)
typeObj, found := cfg.cache.Load(cacheKey)
if found {
return typeObj.(Type)
}
type2 := cfg.wrapType(type1)
cfg.cache.Store(cacheKey, type2)
return type2
}
func (cfg *frozenConfig) wrapType(type1 reflect.Type) Type {
safeType := safeType{Type: type1, cfg: cfg}
switch type1.Kind() {
case reflect.Struct:
if cfg.useSafeImplementation {
return &safeStructType{safeType}
}
return newUnsafeStructType(cfg, type1)
case reflect.Array:
if cfg.useSafeImplementation {
return &safeSliceType{safeType}
}
return newUnsafeArrayType(cfg, type1)
case reflect.Slice:
if cfg.useSafeImplementation {
return &safeSliceType{safeType}
}
return newUnsafeSliceType(cfg, type1)
case reflect.Map:
if cfg.useSafeImplementation {
return &safeMapType{safeType}
}
return newUnsafeMapType(cfg, type1)
case reflect.Ptr, reflect.Chan, reflect.Func:
if cfg.useSafeImplementation {
return &safeMapType{safeType}
}
return newUnsafePtrType(cfg, type1)
case reflect.Interface:
if cfg.useSafeImplementation {
return &safeMapType{safeType}
}
if type1.NumMethod() == 0 {
return newUnsafeEFaceType(cfg, type1)
}
return newUnsafeIFaceType(cfg, type1)
default:
if cfg.useSafeImplementation {
return &safeType
}
return newUnsafeType(cfg, type1)
}
}
func TypeOf(obj interface{}) Type {
return ConfigUnsafe.TypeOf(obj)
}
func TypeOfPtr(obj interface{}) PtrType {
return TypeOf(obj).(PtrType)
}
func Type2(type1 reflect.Type) Type {
if type1 == nil {
return nil
}
return ConfigUnsafe.Type2(type1)
}
func PtrTo(typ Type) Type {
return Type2(reflect.PtrTo(typ.Type1()))
}
func PtrOf(obj interface{}) unsafe.Pointer {
return unpackEFace(obj).data
}
func RTypeOf(obj interface{}) uintptr {
return uintptr(unpackEFace(obj).rtype)
}
func IsNil(obj interface{}) bool {
if obj == nil {
return true
}
return unpackEFace(obj).data == nil
}
func IsNullable(kind reflect.Kind) bool {
switch kind {
case reflect.Ptr, reflect.Map, reflect.Chan, reflect.Func, reflect.Slice, reflect.Interface:
return true
}
return false
}
func likePtrKind(kind reflect.Kind) bool {
switch kind {
case reflect.Ptr, reflect.Map, reflect.Chan, reflect.Func:
return true
}
return false
}
func likePtrType(typ reflect.Type) bool {
if likePtrKind(typ.Kind()) {
return true
}
if typ.Kind() == reflect.Struct {
if typ.NumField() != 1 {
return false
}
return likePtrType(typ.Field(0).Type)
}
if typ.Kind() == reflect.Array {
if typ.Len() != 1 {
return false
}
return likePtrType(typ.Elem())
}
return false
}
// NoEscape hides a pointer from escape analysis. noescape is
// the identity function but escape analysis doesn't think the
// output depends on the input. noescape is inlined and currently
// compiles down to zero instructions.
// USE CAREFULLY!
//go:nosplit
func NoEscape(p unsafe.Pointer) unsafe.Pointer {
x := uintptr(p)
return unsafe.Pointer(x ^ 0)
}
func UnsafeCastString(str string) []byte {
stringHeader := (*reflect.StringHeader)(unsafe.Pointer(&str))
sliceHeader := &reflect.SliceHeader{
Data: stringHeader.Data,
Cap: stringHeader.Len,
Len: stringHeader.Len,
}
return *(*[]byte)(unsafe.Pointer(sliceHeader))
}

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package reflect2
import (
"reflect"
"unsafe"
)
// DefaultTypeOfKind return the non aliased default type for the kind
func DefaultTypeOfKind(kind reflect.Kind) Type {
return kindTypes[kind]
}
var kindTypes = map[reflect.Kind]Type{
reflect.Bool: TypeOf(true),
reflect.Uint8: TypeOf(uint8(0)),
reflect.Int8: TypeOf(int8(0)),
reflect.Uint16: TypeOf(uint16(0)),
reflect.Int16: TypeOf(int16(0)),
reflect.Uint32: TypeOf(uint32(0)),
reflect.Int32: TypeOf(int32(0)),
reflect.Uint64: TypeOf(uint64(0)),
reflect.Int64: TypeOf(int64(0)),
reflect.Uint: TypeOf(uint(0)),
reflect.Int: TypeOf(int(0)),
reflect.Float32: TypeOf(float32(0)),
reflect.Float64: TypeOf(float64(0)),
reflect.Uintptr: TypeOf(uintptr(0)),
reflect.String: TypeOf(""),
reflect.UnsafePointer: TypeOf(unsafe.Pointer(nil)),
}

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package reflect2
import (
"reflect"
"unsafe"
)
type safeField struct {
reflect.StructField
}
func (field *safeField) Offset() uintptr {
return field.StructField.Offset
}
func (field *safeField) Name() string {
return field.StructField.Name
}
func (field *safeField) PkgPath() string {
return field.StructField.PkgPath
}
func (field *safeField) Type() Type {
panic("not implemented")
}
func (field *safeField) Tag() reflect.StructTag {
return field.StructField.Tag
}
func (field *safeField) Index() []int {
return field.StructField.Index
}
func (field *safeField) Anonymous() bool {
return field.StructField.Anonymous
}
func (field *safeField) Set(obj interface{}, value interface{}) {
val := reflect.ValueOf(obj).Elem()
val.FieldByIndex(field.Index()).Set(reflect.ValueOf(value).Elem())
}
func (field *safeField) UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer) {
panic("unsafe operation is not supported")
}
func (field *safeField) Get(obj interface{}) interface{} {
val := reflect.ValueOf(obj).Elem().FieldByIndex(field.Index())
ptr := reflect.New(val.Type())
ptr.Elem().Set(val)
return ptr.Interface()
}
func (field *safeField) UnsafeGet(obj unsafe.Pointer) unsafe.Pointer {
panic("does not support unsafe operation")
}

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package reflect2
import (
"reflect"
"unsafe"
)
type safeMapType struct {
safeType
}
func (type2 *safeMapType) Key() Type {
return type2.safeType.cfg.Type2(type2.Type.Key())
}
func (type2 *safeMapType) MakeMap(cap int) interface{} {
ptr := reflect.New(type2.Type)
ptr.Elem().Set(reflect.MakeMap(type2.Type))
return ptr.Interface()
}
func (type2 *safeMapType) UnsafeMakeMap(cap int) unsafe.Pointer {
panic("does not support unsafe operation")
}
func (type2 *safeMapType) SetIndex(obj interface{}, key interface{}, elem interface{}) {
keyVal := reflect.ValueOf(key)
elemVal := reflect.ValueOf(elem)
val := reflect.ValueOf(obj)
val.Elem().SetMapIndex(keyVal.Elem(), elemVal.Elem())
}
func (type2 *safeMapType) UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer) {
panic("does not support unsafe operation")
}
func (type2 *safeMapType) TryGetIndex(obj interface{}, key interface{}) (interface{}, bool) {
keyVal := reflect.ValueOf(key)
if key == nil {
keyVal = reflect.New(type2.Type.Key()).Elem()
}
val := reflect.ValueOf(obj).MapIndex(keyVal)
if !val.IsValid() {
return nil, false
}
return val.Interface(), true
}
func (type2 *safeMapType) GetIndex(obj interface{}, key interface{}) interface{} {
val := reflect.ValueOf(obj).Elem()
keyVal := reflect.ValueOf(key).Elem()
elemVal := val.MapIndex(keyVal)
if !elemVal.IsValid() {
ptr := reflect.New(reflect.PtrTo(val.Type().Elem()))
return ptr.Elem().Interface()
}
ptr := reflect.New(elemVal.Type())
ptr.Elem().Set(elemVal)
return ptr.Interface()
}
func (type2 *safeMapType) UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer {
panic("does not support unsafe operation")
}
func (type2 *safeMapType) Iterate(obj interface{}) MapIterator {
m := reflect.ValueOf(obj).Elem()
return &safeMapIterator{
m: m,
keys: m.MapKeys(),
}
}
func (type2 *safeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator {
panic("does not support unsafe operation")
}
type safeMapIterator struct {
i int
m reflect.Value
keys []reflect.Value
}
func (iter *safeMapIterator) HasNext() bool {
return iter.i != len(iter.keys)
}
func (iter *safeMapIterator) Next() (interface{}, interface{}) {
key := iter.keys[iter.i]
elem := iter.m.MapIndex(key)
iter.i += 1
keyPtr := reflect.New(key.Type())
keyPtr.Elem().Set(key)
elemPtr := reflect.New(elem.Type())
elemPtr.Elem().Set(elem)
return keyPtr.Interface(), elemPtr.Interface()
}
func (iter *safeMapIterator) UnsafeNext() (unsafe.Pointer, unsafe.Pointer) {
panic("does not support unsafe operation")
}

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package reflect2
import (
"reflect"
"unsafe"
)
type safeSliceType struct {
safeType
}
func (type2 *safeSliceType) SetIndex(obj interface{}, index int, value interface{}) {
val := reflect.ValueOf(obj).Elem()
elem := reflect.ValueOf(value).Elem()
val.Index(index).Set(elem)
}
func (type2 *safeSliceType) UnsafeSetIndex(obj unsafe.Pointer, index int, value unsafe.Pointer) {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) GetIndex(obj interface{}, index int) interface{} {
val := reflect.ValueOf(obj).Elem()
elem := val.Index(index)
ptr := reflect.New(elem.Type())
ptr.Elem().Set(elem)
return ptr.Interface()
}
func (type2 *safeSliceType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) MakeSlice(length int, cap int) interface{} {
val := reflect.MakeSlice(type2.Type, length, cap)
ptr := reflect.New(val.Type())
ptr.Elem().Set(val)
return ptr.Interface()
}
func (type2 *safeSliceType) UnsafeMakeSlice(length int, cap int) unsafe.Pointer {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) Grow(obj interface{}, newLength int) {
oldCap := type2.Cap(obj)
oldSlice := reflect.ValueOf(obj).Elem()
delta := newLength - oldCap
deltaVals := make([]reflect.Value, delta)
newSlice := reflect.Append(oldSlice, deltaVals...)
oldSlice.Set(newSlice)
}
func (type2 *safeSliceType) UnsafeGrow(ptr unsafe.Pointer, newLength int) {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) Append(obj interface{}, elem interface{}) {
val := reflect.ValueOf(obj).Elem()
elemVal := reflect.ValueOf(elem).Elem()
newVal := reflect.Append(val, elemVal)
val.Set(newVal)
}
func (type2 *safeSliceType) UnsafeAppend(obj unsafe.Pointer, elem unsafe.Pointer) {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) SetNil(obj interface{}) {
val := reflect.ValueOf(obj).Elem()
val.Set(reflect.Zero(val.Type()))
}
func (type2 *safeSliceType) UnsafeSetNil(ptr unsafe.Pointer) {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) LengthOf(obj interface{}) int {
return reflect.ValueOf(obj).Elem().Len()
}
func (type2 *safeSliceType) UnsafeLengthOf(ptr unsafe.Pointer) int {
panic("does not support unsafe operation")
}
func (type2 *safeSliceType) Cap(obj interface{}) int {
return reflect.ValueOf(obj).Elem().Cap()
}
func (type2 *safeSliceType) UnsafeCap(ptr unsafe.Pointer) int {
panic("does not support unsafe operation")
}

29
vendor/github.com/modern-go/reflect2/safe_struct.go generated vendored Normal file
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package reflect2
type safeStructType struct {
safeType
}
func (type2 *safeStructType) FieldByName(name string) StructField {
field, found := type2.Type.FieldByName(name)
if !found {
panic("field " + name + " not found")
}
return &safeField{StructField: field}
}
func (type2 *safeStructType) Field(i int) StructField {
return &safeField{StructField: type2.Type.Field(i)}
}
func (type2 *safeStructType) FieldByIndex(index []int) StructField {
return &safeField{StructField: type2.Type.FieldByIndex(index)}
}
func (type2 *safeStructType) FieldByNameFunc(match func(string) bool) StructField {
field, found := type2.Type.FieldByNameFunc(match)
if !found {
panic("field match condition not found in " + type2.Type.String())
}
return &safeField{StructField: field}
}

78
vendor/github.com/modern-go/reflect2/safe_type.go generated vendored Normal file
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@ -0,0 +1,78 @@
package reflect2
import (
"reflect"
"unsafe"
)
type safeType struct {
reflect.Type
cfg *frozenConfig
}
func (type2 *safeType) New() interface{} {
return reflect.New(type2.Type).Interface()
}
func (type2 *safeType) UnsafeNew() unsafe.Pointer {
panic("does not support unsafe operation")
}
func (type2 *safeType) Elem() Type {
return type2.cfg.Type2(type2.Type.Elem())
}
func (type2 *safeType) Type1() reflect.Type {
return type2.Type
}
func (type2 *safeType) PackEFace(ptr unsafe.Pointer) interface{} {
panic("does not support unsafe operation")
}
func (type2 *safeType) Implements(thatType Type) bool {
return type2.Type.Implements(thatType.Type1())
}
func (type2 *safeType) RType() uintptr {
panic("does not support unsafe operation")
}
func (type2 *safeType) Indirect(obj interface{}) interface{} {
return reflect.Indirect(reflect.ValueOf(obj)).Interface()
}
func (type2 *safeType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
panic("does not support unsafe operation")
}
func (type2 *safeType) LikePtr() bool {
panic("does not support unsafe operation")
}
func (type2 *safeType) IsNullable() bool {
return IsNullable(type2.Kind())
}
func (type2 *safeType) IsNil(obj interface{}) bool {
if obj == nil {
return true
}
return reflect.ValueOf(obj).Elem().IsNil()
}
func (type2 *safeType) UnsafeIsNil(ptr unsafe.Pointer) bool {
panic("does not support unsafe operation")
}
func (type2 *safeType) Set(obj interface{}, val interface{}) {
reflect.ValueOf(obj).Elem().Set(reflect.ValueOf(val).Elem())
}
func (type2 *safeType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer) {
panic("does not support unsafe operation")
}
func (type2 *safeType) AssignableTo(anotherType Type) bool {
return type2.Type1().AssignableTo(anotherType.Type1())
}

12
vendor/github.com/modern-go/reflect2/test.sh generated vendored Executable file
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@ -0,0 +1,12 @@
#!/usr/bin/env bash
set -e
echo "" > coverage.txt
for d in $(go list ./... | grep -v vendor); do
go test -coverprofile=profile.out -coverpkg=github.com/modern-go/reflect2 $d
if [ -f profile.out ]; then
cat profile.out >> coverage.txt
rm profile.out
fi
done

103
vendor/github.com/modern-go/reflect2/type_map.go generated vendored Normal file
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@ -0,0 +1,103 @@
package reflect2
import (
"reflect"
"runtime"
"strings"
"unsafe"
)
// typelinks1 for 1.5 ~ 1.6
//go:linkname typelinks1 reflect.typelinks
func typelinks1() [][]unsafe.Pointer
// typelinks2 for 1.7 ~
//go:linkname typelinks2 reflect.typelinks
func typelinks2() (sections []unsafe.Pointer, offset [][]int32)
var types = map[string]reflect.Type{}
var packages = map[string]map[string]reflect.Type{}
func init() {
ver := runtime.Version()
if ver == "go1.5" || strings.HasPrefix(ver, "go1.5.") {
loadGo15Types()
} else if ver == "go1.6" || strings.HasPrefix(ver, "go1.6.") {
loadGo15Types()
} else {
loadGo17Types()
}
}
func loadGo15Types() {
var obj interface{} = reflect.TypeOf(0)
typePtrss := typelinks1()
for _, typePtrs := range typePtrss {
for _, typePtr := range typePtrs {
(*emptyInterface)(unsafe.Pointer(&obj)).word = typePtr
typ := obj.(reflect.Type)
if typ.Kind() == reflect.Ptr && typ.Elem().Kind() == reflect.Struct {
loadedType := typ.Elem()
pkgTypes := packages[loadedType.PkgPath()]
if pkgTypes == nil {
pkgTypes = map[string]reflect.Type{}
packages[loadedType.PkgPath()] = pkgTypes
}
types[loadedType.String()] = loadedType
pkgTypes[loadedType.Name()] = loadedType
}
if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Ptr &&
typ.Elem().Elem().Kind() == reflect.Struct {
loadedType := typ.Elem().Elem()
pkgTypes := packages[loadedType.PkgPath()]
if pkgTypes == nil {
pkgTypes = map[string]reflect.Type{}
packages[loadedType.PkgPath()] = pkgTypes
}
types[loadedType.String()] = loadedType
pkgTypes[loadedType.Name()] = loadedType
}
}
}
}
func loadGo17Types() {
var obj interface{} = reflect.TypeOf(0)
sections, offset := typelinks2()
for i, offs := range offset {
rodata := sections[i]
for _, off := range offs {
(*emptyInterface)(unsafe.Pointer(&obj)).word = resolveTypeOff(unsafe.Pointer(rodata), off)
typ := obj.(reflect.Type)
if typ.Kind() == reflect.Ptr && typ.Elem().Kind() == reflect.Struct {
loadedType := typ.Elem()
pkgTypes := packages[loadedType.PkgPath()]
if pkgTypes == nil {
pkgTypes = map[string]reflect.Type{}
packages[loadedType.PkgPath()] = pkgTypes
}
types[loadedType.String()] = loadedType
pkgTypes[loadedType.Name()] = loadedType
}
}
}
}
type emptyInterface struct {
typ unsafe.Pointer
word unsafe.Pointer
}
// TypeByName return the type by its name, just like Class.forName in java
func TypeByName(typeName string) Type {
return Type2(types[typeName])
}
// TypeByPackageName return the type by its package and name
func TypeByPackageName(pkgPath string, name string) Type {
pkgTypes := packages[pkgPath]
if pkgTypes == nil {
return nil
}
return Type2(pkgTypes[name])
}

65
vendor/github.com/modern-go/reflect2/unsafe_array.go generated vendored Normal file
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@ -0,0 +1,65 @@
package reflect2
import (
"reflect"
"unsafe"
)
type UnsafeArrayType struct {
unsafeType
elemRType unsafe.Pointer
pElemRType unsafe.Pointer
elemSize uintptr
likePtr bool
}
func newUnsafeArrayType(cfg *frozenConfig, type1 reflect.Type) *UnsafeArrayType {
return &UnsafeArrayType{
unsafeType: *newUnsafeType(cfg, type1),
elemRType: unpackEFace(type1.Elem()).data,
pElemRType: unpackEFace(reflect.PtrTo(type1.Elem())).data,
elemSize: type1.Elem().Size(),
likePtr: likePtrType(type1),
}
}
func (type2 *UnsafeArrayType) LikePtr() bool {
return type2.likePtr
}
func (type2 *UnsafeArrayType) Indirect(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIndirect(objEFace.data)
}
func (type2 *UnsafeArrayType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
if type2.likePtr {
return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
}
return packEFace(type2.rtype, ptr)
}
func (type2 *UnsafeArrayType) SetIndex(obj interface{}, index int, elem interface{}) {
objEFace := unpackEFace(obj)
assertType("ArrayType.SetIndex argument 1", type2.ptrRType, objEFace.rtype)
elemEFace := unpackEFace(elem)
assertType("ArrayType.SetIndex argument 3", type2.pElemRType, elemEFace.rtype)
type2.UnsafeSetIndex(objEFace.data, index, elemEFace.data)
}
func (type2 *UnsafeArrayType) UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer) {
elemPtr := arrayAt(obj, index, type2.elemSize, "i < s.Len")
typedmemmove(type2.elemRType, elemPtr, elem)
}
func (type2 *UnsafeArrayType) GetIndex(obj interface{}, index int) interface{} {
objEFace := unpackEFace(obj)
assertType("ArrayType.GetIndex argument 1", type2.ptrRType, objEFace.rtype)
elemPtr := type2.UnsafeGetIndex(objEFace.data, index)
return packEFace(type2.pElemRType, elemPtr)
}
func (type2 *UnsafeArrayType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer {
return arrayAt(obj, index, type2.elemSize, "i < s.Len")
}

59
vendor/github.com/modern-go/reflect2/unsafe_eface.go generated vendored Normal file
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@ -0,0 +1,59 @@
package reflect2
import (
"reflect"
"unsafe"
)
type eface struct {
rtype unsafe.Pointer
data unsafe.Pointer
}
func unpackEFace(obj interface{}) *eface {
return (*eface)(unsafe.Pointer(&obj))
}
func packEFace(rtype unsafe.Pointer, data unsafe.Pointer) interface{} {
var i interface{}
e := (*eface)(unsafe.Pointer(&i))
e.rtype = rtype
e.data = data
return i
}
type UnsafeEFaceType struct {
unsafeType
}
func newUnsafeEFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeEFaceType {
return &UnsafeEFaceType{
unsafeType: *newUnsafeType(cfg, type1),
}
}
func (type2 *UnsafeEFaceType) IsNil(obj interface{}) bool {
if obj == nil {
return true
}
objEFace := unpackEFace(obj)
assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIsNil(objEFace.data)
}
func (type2 *UnsafeEFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool {
if ptr == nil {
return true
}
return unpackEFace(*(*interface{})(ptr)).data == nil
}
func (type2 *UnsafeEFaceType) Indirect(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIndirect(objEFace.data)
}
func (type2 *UnsafeEFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
return *(*interface{})(ptr)
}

74
vendor/github.com/modern-go/reflect2/unsafe_field.go generated vendored Normal file
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@ -0,0 +1,74 @@
package reflect2
import (
"reflect"
"unsafe"
)
type UnsafeStructField struct {
reflect.StructField
structType *UnsafeStructType
rtype unsafe.Pointer
ptrRType unsafe.Pointer
}
func newUnsafeStructField(structType *UnsafeStructType, structField reflect.StructField) *UnsafeStructField {
return &UnsafeStructField{
StructField: structField,
rtype: unpackEFace(structField.Type).data,
ptrRType: unpackEFace(reflect.PtrTo(structField.Type)).data,
structType: structType,
}
}
func (field *UnsafeStructField) Offset() uintptr {
return field.StructField.Offset
}
func (field *UnsafeStructField) Name() string {
return field.StructField.Name
}
func (field *UnsafeStructField) PkgPath() string {
return field.StructField.PkgPath
}
func (field *UnsafeStructField) Type() Type {
return field.structType.cfg.Type2(field.StructField.Type)
}
func (field *UnsafeStructField) Tag() reflect.StructTag {
return field.StructField.Tag
}
func (field *UnsafeStructField) Index() []int {
return field.StructField.Index
}
func (field *UnsafeStructField) Anonymous() bool {
return field.StructField.Anonymous
}
func (field *UnsafeStructField) Set(obj interface{}, value interface{}) {
objEFace := unpackEFace(obj)
assertType("StructField.SetIndex argument 1", field.structType.ptrRType, objEFace.rtype)
valueEFace := unpackEFace(value)
assertType("StructField.SetIndex argument 2", field.ptrRType, valueEFace.rtype)
field.UnsafeSet(objEFace.data, valueEFace.data)
}
func (field *UnsafeStructField) UnsafeSet(obj unsafe.Pointer, value unsafe.Pointer) {
fieldPtr := add(obj, field.StructField.Offset, "same as non-reflect &v.field")
typedmemmove(field.rtype, fieldPtr, value)
}
func (field *UnsafeStructField) Get(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("StructField.GetIndex argument 1", field.structType.ptrRType, objEFace.rtype)
value := field.UnsafeGet(objEFace.data)
return packEFace(field.ptrRType, value)
}
func (field *UnsafeStructField) UnsafeGet(obj unsafe.Pointer) unsafe.Pointer {
return add(obj, field.StructField.Offset, "same as non-reflect &v.field")
}

64
vendor/github.com/modern-go/reflect2/unsafe_iface.go generated vendored Normal file
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@ -0,0 +1,64 @@
package reflect2
import (
"reflect"
"unsafe"
)
type iface struct {
itab *itab
data unsafe.Pointer
}
type itab struct {
ignore unsafe.Pointer
rtype unsafe.Pointer
}
func IFaceToEFace(ptr unsafe.Pointer) interface{} {
iface := (*iface)(ptr)
if iface.itab == nil {
return nil
}
return packEFace(iface.itab.rtype, iface.data)
}
type UnsafeIFaceType struct {
unsafeType
}
func newUnsafeIFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeIFaceType {
return &UnsafeIFaceType{
unsafeType: *newUnsafeType(cfg, type1),
}
}
func (type2 *UnsafeIFaceType) Indirect(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIndirect(objEFace.data)
}
func (type2 *UnsafeIFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
return IFaceToEFace(ptr)
}
func (type2 *UnsafeIFaceType) IsNil(obj interface{}) bool {
if obj == nil {
return true
}
objEFace := unpackEFace(obj)
assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIsNil(objEFace.data)
}
func (type2 *UnsafeIFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool {
if ptr == nil {
return true
}
iface := (*iface)(ptr)
if iface.itab == nil {
return true
}
return false
}

70
vendor/github.com/modern-go/reflect2/unsafe_link.go generated vendored Normal file
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@ -0,0 +1,70 @@
package reflect2
import "unsafe"
//go:linkname unsafe_New reflect.unsafe_New
func unsafe_New(rtype unsafe.Pointer) unsafe.Pointer
//go:linkname typedmemmove reflect.typedmemmove
func typedmemmove(rtype unsafe.Pointer, dst, src unsafe.Pointer)
//go:linkname unsafe_NewArray reflect.unsafe_NewArray
func unsafe_NewArray(rtype unsafe.Pointer, length int) unsafe.Pointer
// typedslicecopy copies a slice of elemType values from src to dst,
// returning the number of elements copied.
//go:linkname typedslicecopy reflect.typedslicecopy
//go:noescape
func typedslicecopy(elemType unsafe.Pointer, dst, src sliceHeader) int
//go:linkname mapassign reflect.mapassign
//go:noescape
func mapassign(rtype unsafe.Pointer, m unsafe.Pointer, key, val unsafe.Pointer)
//go:linkname mapaccess reflect.mapaccess
//go:noescape
func mapaccess(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer) (val unsafe.Pointer)
// m escapes into the return value, but the caller of mapiterinit
// doesn't let the return value escape.
//go:noescape
//go:linkname mapiterinit reflect.mapiterinit
func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer) *hiter
//go:noescape
//go:linkname mapiternext reflect.mapiternext
func mapiternext(it *hiter)
//go:linkname ifaceE2I reflect.ifaceE2I
func ifaceE2I(rtype unsafe.Pointer, src interface{}, dst unsafe.Pointer)
// A hash iteration structure.
// If you modify hiter, also change cmd/internal/gc/reflect.go to indicate
// the layout of this structure.
type hiter struct {
key unsafe.Pointer // Must be in first position. Write nil to indicate iteration end (see cmd/internal/gc/range.go).
value unsafe.Pointer // Must be in second position (see cmd/internal/gc/range.go).
// rest fields are ignored
}
// add returns p+x.
//
// The whySafe string is ignored, so that the function still inlines
// as efficiently as p+x, but all call sites should use the string to
// record why the addition is safe, which is to say why the addition
// does not cause x to advance to the very end of p's allocation
// and therefore point incorrectly at the next block in memory.
func add(p unsafe.Pointer, x uintptr, whySafe string) unsafe.Pointer {
return unsafe.Pointer(uintptr(p) + x)
}
// arrayAt returns the i-th element of p,
// an array whose elements are eltSize bytes wide.
// The array pointed at by p must have at least i+1 elements:
// it is invalid (but impossible to check here) to pass i >= len,
// because then the result will point outside the array.
// whySafe must explain why i < len. (Passing "i < len" is fine;
// the benefit is to surface this assumption at the call site.)
func arrayAt(p unsafe.Pointer, i int, eltSize uintptr, whySafe string) unsafe.Pointer {
return add(p, uintptr(i)*eltSize, "i < len")
}

138
vendor/github.com/modern-go/reflect2/unsafe_map.go generated vendored Normal file
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@ -0,0 +1,138 @@
package reflect2
import (
"reflect"
"unsafe"
)
type UnsafeMapType struct {
unsafeType
pKeyRType unsafe.Pointer
pElemRType unsafe.Pointer
}
func newUnsafeMapType(cfg *frozenConfig, type1 reflect.Type) MapType {
return &UnsafeMapType{
unsafeType: *newUnsafeType(cfg, type1),
pKeyRType: unpackEFace(reflect.PtrTo(type1.Key())).data,
pElemRType: unpackEFace(reflect.PtrTo(type1.Elem())).data,
}
}
func (type2 *UnsafeMapType) IsNil(obj interface{}) bool {
if obj == nil {
return true
}
objEFace := unpackEFace(obj)
assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIsNil(objEFace.data)
}
func (type2 *UnsafeMapType) UnsafeIsNil(ptr unsafe.Pointer) bool {
if ptr == nil {
return true
}
return *(*unsafe.Pointer)(ptr) == nil
}
func (type2 *UnsafeMapType) LikePtr() bool {
return true
}
func (type2 *UnsafeMapType) Indirect(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("MapType.Indirect argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIndirect(objEFace.data)
}
func (type2 *UnsafeMapType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
}
func (type2 *UnsafeMapType) Key() Type {
return type2.cfg.Type2(type2.Type.Key())
}
func (type2 *UnsafeMapType) MakeMap(cap int) interface{} {
return packEFace(type2.ptrRType, type2.UnsafeMakeMap(cap))
}
func (type2 *UnsafeMapType) UnsafeMakeMap(cap int) unsafe.Pointer {
m := makeMapWithSize(type2.rtype, cap)
return unsafe.Pointer(&m)
}
func (type2 *UnsafeMapType) SetIndex(obj interface{}, key interface{}, elem interface{}) {
objEFace := unpackEFace(obj)
assertType("MapType.SetIndex argument 1", type2.ptrRType, objEFace.rtype)
keyEFace := unpackEFace(key)
assertType("MapType.SetIndex argument 2", type2.pKeyRType, keyEFace.rtype)
elemEFace := unpackEFace(elem)
assertType("MapType.SetIndex argument 3", type2.pElemRType, elemEFace.rtype)
type2.UnsafeSetIndex(objEFace.data, keyEFace.data, elemEFace.data)
}
func (type2 *UnsafeMapType) UnsafeSetIndex(obj unsafe.Pointer, key unsafe.Pointer, elem unsafe.Pointer) {
mapassign(type2.rtype, *(*unsafe.Pointer)(obj), key, elem)
}
func (type2 *UnsafeMapType) TryGetIndex(obj interface{}, key interface{}) (interface{}, bool) {
objEFace := unpackEFace(obj)
assertType("MapType.TryGetIndex argument 1", type2.ptrRType, objEFace.rtype)
keyEFace := unpackEFace(key)
assertType("MapType.TryGetIndex argument 2", type2.pKeyRType, keyEFace.rtype)
elemPtr := type2.UnsafeGetIndex(objEFace.data, keyEFace.data)
if elemPtr == nil {
return nil, false
}
return packEFace(type2.pElemRType, elemPtr), true
}
func (type2 *UnsafeMapType) GetIndex(obj interface{}, key interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("MapType.GetIndex argument 1", type2.ptrRType, objEFace.rtype)
keyEFace := unpackEFace(key)
assertType("MapType.GetIndex argument 2", type2.pKeyRType, keyEFace.rtype)
elemPtr := type2.UnsafeGetIndex(objEFace.data, keyEFace.data)
return packEFace(type2.pElemRType, elemPtr)
}
func (type2 *UnsafeMapType) UnsafeGetIndex(obj unsafe.Pointer, key unsafe.Pointer) unsafe.Pointer {
return mapaccess(type2.rtype, *(*unsafe.Pointer)(obj), key)
}
func (type2 *UnsafeMapType) Iterate(obj interface{}) MapIterator {
objEFace := unpackEFace(obj)
assertType("MapType.Iterate argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIterate(objEFace.data)
}
func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator {
return &UnsafeMapIterator{
hiter: mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj)),
pKeyRType: type2.pKeyRType,
pElemRType: type2.pElemRType,
}
}
type UnsafeMapIterator struct {
*hiter
pKeyRType unsafe.Pointer
pElemRType unsafe.Pointer
}
func (iter *UnsafeMapIterator) HasNext() bool {
return iter.key != nil
}
func (iter *UnsafeMapIterator) Next() (interface{}, interface{}) {
key, elem := iter.UnsafeNext()
return packEFace(iter.pKeyRType, key), packEFace(iter.pElemRType, elem)
}
func (iter *UnsafeMapIterator) UnsafeNext() (unsafe.Pointer, unsafe.Pointer) {
key := iter.key
elem := iter.value
mapiternext(iter.hiter)
return key, elem
}

46
vendor/github.com/modern-go/reflect2/unsafe_ptr.go generated vendored Normal file
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@ -0,0 +1,46 @@
package reflect2
import (
"reflect"
"unsafe"
)
type UnsafePtrType struct {
unsafeType
}
func newUnsafePtrType(cfg *frozenConfig, type1 reflect.Type) *UnsafePtrType {
return &UnsafePtrType{
unsafeType: *newUnsafeType(cfg, type1),
}
}
func (type2 *UnsafePtrType) IsNil(obj interface{}) bool {
if obj == nil {
return true
}
objEFace := unpackEFace(obj)
assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIsNil(objEFace.data)
}
func (type2 *UnsafePtrType) UnsafeIsNil(ptr unsafe.Pointer) bool {
if ptr == nil {
return true
}
return *(*unsafe.Pointer)(ptr) == nil
}
func (type2 *UnsafePtrType) LikePtr() bool {
return true
}
func (type2 *UnsafePtrType) Indirect(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIndirect(objEFace.data)
}
func (type2 *UnsafePtrType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
}

177
vendor/github.com/modern-go/reflect2/unsafe_slice.go generated vendored Normal file
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@ -0,0 +1,177 @@
package reflect2
import (
"reflect"
"unsafe"
)
// sliceHeader is a safe version of SliceHeader used within this package.
type sliceHeader struct {
Data unsafe.Pointer
Len int
Cap int
}
type UnsafeSliceType struct {
unsafeType
elemRType unsafe.Pointer
pElemRType unsafe.Pointer
elemSize uintptr
}
func newUnsafeSliceType(cfg *frozenConfig, type1 reflect.Type) SliceType {
elemType := type1.Elem()
return &UnsafeSliceType{
unsafeType: *newUnsafeType(cfg, type1),
pElemRType: unpackEFace(reflect.PtrTo(elemType)).data,
elemRType: unpackEFace(elemType).data,
elemSize: elemType.Size(),
}
}
func (type2 *UnsafeSliceType) Set(obj interface{}, val interface{}) {
objEFace := unpackEFace(obj)
assertType("Type.Set argument 1", type2.ptrRType, objEFace.rtype)
valEFace := unpackEFace(val)
assertType("Type.Set argument 2", type2.ptrRType, valEFace.rtype)
type2.UnsafeSet(objEFace.data, valEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeSet(ptr unsafe.Pointer, val unsafe.Pointer) {
*(*sliceHeader)(ptr) = *(*sliceHeader)(val)
}
func (type2 *UnsafeSliceType) IsNil(obj interface{}) bool {
if obj == nil {
return true
}
objEFace := unpackEFace(obj)
assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIsNil(objEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeIsNil(ptr unsafe.Pointer) bool {
if ptr == nil {
return true
}
return (*sliceHeader)(ptr).Data == nil
}
func (type2 *UnsafeSliceType) SetNil(obj interface{}) {
objEFace := unpackEFace(obj)
assertType("SliceType.SetNil argument 1", type2.ptrRType, objEFace.rtype)
type2.UnsafeSetNil(objEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeSetNil(ptr unsafe.Pointer) {
header := (*sliceHeader)(ptr)
header.Len = 0
header.Cap = 0
header.Data = nil
}
func (type2 *UnsafeSliceType) MakeSlice(length int, cap int) interface{} {
return packEFace(type2.ptrRType, type2.UnsafeMakeSlice(length, cap))
}
func (type2 *UnsafeSliceType) UnsafeMakeSlice(length int, cap int) unsafe.Pointer {
header := &sliceHeader{unsafe_NewArray(type2.elemRType, cap), length, cap}
return unsafe.Pointer(header)
}
func (type2 *UnsafeSliceType) LengthOf(obj interface{}) int {
objEFace := unpackEFace(obj)
assertType("SliceType.Len argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeLengthOf(objEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeLengthOf(obj unsafe.Pointer) int {
header := (*sliceHeader)(obj)
return header.Len
}
func (type2 *UnsafeSliceType) SetIndex(obj interface{}, index int, elem interface{}) {
objEFace := unpackEFace(obj)
assertType("SliceType.SetIndex argument 1", type2.ptrRType, objEFace.rtype)
elemEFace := unpackEFace(elem)
assertType("SliceType.SetIndex argument 3", type2.pElemRType, elemEFace.rtype)
type2.UnsafeSetIndex(objEFace.data, index, elemEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeSetIndex(obj unsafe.Pointer, index int, elem unsafe.Pointer) {
header := (*sliceHeader)(obj)
elemPtr := arrayAt(header.Data, index, type2.elemSize, "i < s.Len")
typedmemmove(type2.elemRType, elemPtr, elem)
}
func (type2 *UnsafeSliceType) GetIndex(obj interface{}, index int) interface{} {
objEFace := unpackEFace(obj)
assertType("SliceType.GetIndex argument 1", type2.ptrRType, objEFace.rtype)
elemPtr := type2.UnsafeGetIndex(objEFace.data, index)
return packEFace(type2.pElemRType, elemPtr)
}
func (type2 *UnsafeSliceType) UnsafeGetIndex(obj unsafe.Pointer, index int) unsafe.Pointer {
header := (*sliceHeader)(obj)
return arrayAt(header.Data, index, type2.elemSize, "i < s.Len")
}
func (type2 *UnsafeSliceType) Append(obj interface{}, elem interface{}) {
objEFace := unpackEFace(obj)
assertType("SliceType.Append argument 1", type2.ptrRType, objEFace.rtype)
elemEFace := unpackEFace(elem)
assertType("SliceType.Append argument 2", type2.pElemRType, elemEFace.rtype)
type2.UnsafeAppend(objEFace.data, elemEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeAppend(obj unsafe.Pointer, elem unsafe.Pointer) {
header := (*sliceHeader)(obj)
oldLen := header.Len
type2.UnsafeGrow(obj, oldLen+1)
type2.UnsafeSetIndex(obj, oldLen, elem)
}
func (type2 *UnsafeSliceType) Cap(obj interface{}) int {
objEFace := unpackEFace(obj)
assertType("SliceType.Cap argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeCap(objEFace.data)
}
func (type2 *UnsafeSliceType) UnsafeCap(ptr unsafe.Pointer) int {
return (*sliceHeader)(ptr).Cap
}
func (type2 *UnsafeSliceType) Grow(obj interface{}, newLength int) {
objEFace := unpackEFace(obj)
assertType("SliceType.Grow argument 1", type2.ptrRType, objEFace.rtype)
type2.UnsafeGrow(objEFace.data, newLength)
}
func (type2 *UnsafeSliceType) UnsafeGrow(obj unsafe.Pointer, newLength int) {
header := (*sliceHeader)(obj)
if newLength <= header.Cap {
header.Len = newLength
return
}
newCap := calcNewCap(header.Cap, newLength)
newHeader := (*sliceHeader)(type2.UnsafeMakeSlice(header.Len, newCap))
typedslicecopy(type2.elemRType, *newHeader, *header)
header.Data = newHeader.Data
header.Cap = newHeader.Cap
header.Len = newLength
}
func calcNewCap(cap int, expectedCap int) int {
if cap == 0 {
cap = expectedCap
} else {
for cap < expectedCap {
if cap < 1024 {
cap += cap
} else {
cap += cap / 4
}
}
}
return cap
}

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