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authorLibravatar tobi <31960611+tsmethurst@users.noreply.github.com>2021-11-27 15:26:58 +0100
committerLibravatar GitHub <noreply@github.com>2021-11-27 15:26:58 +0100
commit182b4eea73881c611a0f519576aa6ad2aa6799c2 (patch)
tree230fac469690fcee8797b13585e739be148d4789 /vendor/github.com/goccy/go-json/internal/decoder/map.go
parentRequire confirmed email when checking oauth token (#332) (diff)
downloadgotosocial-182b4eea73881c611a0f519576aa6ad2aa6799c2.tar.xz
Update dependencies (#333)
Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/decoder/map.go')
-rw-r--r--vendor/github.com/goccy/go-json/internal/decoder/map.go186
1 files changed, 0 insertions, 186 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/decoder/map.go b/vendor/github.com/goccy/go-json/internal/decoder/map.go
deleted file mode 100644
index bb18ef995..000000000
--- a/vendor/github.com/goccy/go-json/internal/decoder/map.go
+++ /dev/null
@@ -1,186 +0,0 @@
-package decoder
-
-import (
- "reflect"
- "unsafe"
-
- "github.com/goccy/go-json/internal/errors"
- "github.com/goccy/go-json/internal/runtime"
-)
-
-type mapDecoder struct {
- mapType *runtime.Type
- keyType *runtime.Type
- valueType *runtime.Type
- canUseAssignFaststrType bool
- keyDecoder Decoder
- valueDecoder Decoder
- structName string
- fieldName string
-}
-
-func newMapDecoder(mapType *runtime.Type, keyType *runtime.Type, keyDec Decoder, valueType *runtime.Type, valueDec Decoder, structName, fieldName string) *mapDecoder {
- return &mapDecoder{
- mapType: mapType,
- keyDecoder: keyDec,
- keyType: keyType,
- canUseAssignFaststrType: canUseAssignFaststrType(keyType, valueType),
- valueType: valueType,
- valueDecoder: valueDec,
- structName: structName,
- fieldName: fieldName,
- }
-}
-
-const (
- mapMaxElemSize = 128
-)
-
-// See detail: https://github.com/goccy/go-json/pull/283
-func canUseAssignFaststrType(key *runtime.Type, value *runtime.Type) bool {
- indirectElem := value.Size() > mapMaxElemSize
- if indirectElem {
- return false
- }
- return key.Kind() == reflect.String
-}
-
-//go:linkname makemap reflect.makemap
-func makemap(*runtime.Type, int) unsafe.Pointer
-
-//nolint:golint
-//go:linkname mapassign_faststr runtime.mapassign_faststr
-//go:noescape
-func mapassign_faststr(t *runtime.Type, m unsafe.Pointer, s string) unsafe.Pointer
-
-//go:linkname mapassign reflect.mapassign
-//go:noescape
-func mapassign(t *runtime.Type, m unsafe.Pointer, k, v unsafe.Pointer)
-
-func (d *mapDecoder) mapassign(t *runtime.Type, m, k, v unsafe.Pointer) {
- if d.canUseAssignFaststrType {
- mapV := mapassign_faststr(t, m, *(*string)(k))
- typedmemmove(d.valueType, mapV, v)
- } else {
- mapassign(t, m, k, v)
- }
-}
-
-func (d *mapDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
- depth++
- if depth > maxDecodeNestingDepth {
- return errors.ErrExceededMaxDepth(s.char(), s.cursor)
- }
-
- switch s.skipWhiteSpace() {
- case 'n':
- if err := nullBytes(s); err != nil {
- return err
- }
- **(**unsafe.Pointer)(unsafe.Pointer(&p)) = nil
- return nil
- case '{':
- default:
- return errors.ErrExpected("{ character for map value", s.totalOffset())
- }
- mapValue := *(*unsafe.Pointer)(p)
- if mapValue == nil {
- mapValue = makemap(d.mapType, 0)
- }
- if s.buf[s.cursor+1] == '}' {
- *(*unsafe.Pointer)(p) = mapValue
- s.cursor += 2
- return nil
- }
- for {
- s.cursor++
- k := unsafe_New(d.keyType)
- if err := d.keyDecoder.DecodeStream(s, depth, k); err != nil {
- return err
- }
- s.skipWhiteSpace()
- if !s.equalChar(':') {
- return errors.ErrExpected("colon after object key", s.totalOffset())
- }
- s.cursor++
- v := unsafe_New(d.valueType)
- if err := d.valueDecoder.DecodeStream(s, depth, v); err != nil {
- return err
- }
- d.mapassign(d.mapType, mapValue, k, v)
- s.skipWhiteSpace()
- if s.equalChar('}') {
- **(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
- s.cursor++
- return nil
- }
- if !s.equalChar(',') {
- return errors.ErrExpected("comma after object value", s.totalOffset())
- }
- }
-}
-
-func (d *mapDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
- buf := ctx.Buf
- depth++
- if depth > maxDecodeNestingDepth {
- return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
- }
-
- cursor = skipWhiteSpace(buf, cursor)
- buflen := int64(len(buf))
- if buflen < 2 {
- return 0, errors.ErrExpected("{} for map", cursor)
- }
- switch buf[cursor] {
- case 'n':
- if err := validateNull(buf, cursor); err != nil {
- return 0, err
- }
- cursor += 4
- **(**unsafe.Pointer)(unsafe.Pointer(&p)) = nil
- return cursor, nil
- case '{':
- default:
- return 0, errors.ErrExpected("{ character for map value", cursor)
- }
- cursor++
- cursor = skipWhiteSpace(buf, cursor)
- mapValue := *(*unsafe.Pointer)(p)
- if mapValue == nil {
- mapValue = makemap(d.mapType, 0)
- }
- if buf[cursor] == '}' {
- **(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
- cursor++
- return cursor, nil
- }
- for {
- k := unsafe_New(d.keyType)
- keyCursor, err := d.keyDecoder.Decode(ctx, cursor, depth, k)
- if err != nil {
- return 0, err
- }
- cursor = skipWhiteSpace(buf, keyCursor)
- if buf[cursor] != ':' {
- return 0, errors.ErrExpected("colon after object key", cursor)
- }
- cursor++
- v := unsafe_New(d.valueType)
- valueCursor, err := d.valueDecoder.Decode(ctx, cursor, depth, v)
- if err != nil {
- return 0, err
- }
- d.mapassign(d.mapType, mapValue, k, v)
- cursor = skipWhiteSpace(buf, valueCursor)
- if buf[cursor] == '}' {
- **(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
- cursor++
- return cursor, nil
- }
- if buf[cursor] != ',' {
- return 0, errors.ErrExpected("comma after object value", cursor)
- }
- cursor++
- }
-}