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Diffstat (limited to 'vendor/github.com/bytedance/sonic/internal/decoder/jitdec/decoder.go')
-rw-r--r--vendor/github.com/bytedance/sonic/internal/decoder/jitdec/decoder.go140
1 files changed, 0 insertions, 140 deletions
diff --git a/vendor/github.com/bytedance/sonic/internal/decoder/jitdec/decoder.go b/vendor/github.com/bytedance/sonic/internal/decoder/jitdec/decoder.go
deleted file mode 100644
index bbb4b4b61..000000000
--- a/vendor/github.com/bytedance/sonic/internal/decoder/jitdec/decoder.go
+++ /dev/null
@@ -1,140 +0,0 @@
-package jitdec
-
-import (
- `unsafe`
- `encoding/json`
- `reflect`
- `runtime`
-
- `github.com/bytedance/sonic/internal/decoder/consts`
- `github.com/bytedance/sonic/internal/decoder/errors`
- `github.com/bytedance/sonic/internal/rt`
- `github.com/bytedance/sonic/utf8`
- `github.com/bytedance/sonic/option`
-)
-
-type (
- MismatchTypeError = errors.MismatchTypeError
- SyntaxError = errors.SyntaxError
-)
-
-const (
- _F_allow_control = consts.F_allow_control
- _F_copy_string = consts.F_copy_string
- _F_disable_unknown = consts.F_disable_unknown
- _F_disable_urc = consts.F_disable_urc
- _F_use_int64 = consts.F_use_int64
- _F_use_number = consts.F_use_number
- _F_no_validate_json = consts.F_no_validate_json
- _F_validate_string = consts.F_validate_string
-)
-
-var (
- error_wrap = errors.ErrorWrap
- error_type = errors.ErrorType
- error_field = errors.ErrorField
- error_value = errors.ErrorValue
- error_mismatch = errors.ErrorMismatch
- stackOverflow = errors.StackOverflow
-)
-
-
-// Decode parses the JSON-encoded data from current position and stores the result
-// in the value pointed to by val.
-func Decode(s *string, i *int, f uint64, val interface{}) error {
- /* validate json if needed */
- if (f & (1 << _F_validate_string)) != 0 && !utf8.ValidateString(*s){
- dbuf := utf8.CorrectWith(nil, rt.Str2Mem(*s), "\ufffd")
- *s = rt.Mem2Str(dbuf)
- }
-
- vv := rt.UnpackEface(val)
- vp := vv.Value
-
- /* check for nil type */
- if vv.Type == nil {
- return &json.InvalidUnmarshalError{}
- }
-
- /* must be a non-nil pointer */
- if vp == nil || vv.Type.Kind() != reflect.Ptr {
- return &json.InvalidUnmarshalError{Type: vv.Type.Pack()}
- }
-
- etp := rt.PtrElem(vv.Type)
-
- /* check the defined pointer type for issue 379 */
- if vv.Type.IsNamed() {
- newp := vp
- etp = vv.Type
- vp = unsafe.Pointer(&newp)
- }
-
- /* create a new stack, and call the decoder */
- sb := newStack()
- nb, err := decodeTypedPointer(*s, *i, etp, vp, sb, f)
- /* return the stack back */
- *i = nb
- freeStack(sb)
-
- /* avoid GC ahead */
- runtime.KeepAlive(vv)
- return err
-}
-
-
-// Pretouch compiles vt ahead-of-time to avoid JIT compilation on-the-fly, in
-// order to reduce the first-hit latency.
-//
-// Opts are the compile options, for example, "option.WithCompileRecursiveDepth" is
-// a compile option to set the depth of recursive compile for the nested struct type.
-func Pretouch(vt reflect.Type, opts ...option.CompileOption) error {
- cfg := option.DefaultCompileOptions()
- for _, opt := range opts {
- opt(&cfg)
- }
- return pretouchRec(map[reflect.Type]bool{vt:true}, cfg)
-}
-
-func pretouchType(_vt reflect.Type, opts option.CompileOptions) (map[reflect.Type]bool, error) {
- /* compile function */
- compiler := newCompiler().apply(opts)
- decoder := func(vt *rt.GoType, _ ...interface{}) (interface{}, error) {
- if pp, err := compiler.compile(_vt); err != nil {
- return nil, err
- } else {
- as := newAssembler(pp)
- as.name = _vt.String()
- return as.Load(), nil
- }
- }
-
- /* find or compile */
- vt := rt.UnpackType(_vt)
- if val := programCache.Get(vt); val != nil {
- return nil, nil
- } else if _, err := programCache.Compute(vt, decoder); err == nil {
- return compiler.rec, nil
- } else {
- return nil, err
- }
-}
-
-func pretouchRec(vtm map[reflect.Type]bool, opts option.CompileOptions) error {
- if opts.RecursiveDepth < 0 || len(vtm) == 0 {
- return nil
- }
- next := make(map[reflect.Type]bool)
- for vt := range(vtm) {
- sub, err := pretouchType(vt, opts)
- if err != nil {
- return err
- }
- for svt := range(sub) {
- next[svt] = true
- }
- }
- opts.RecursiveDepth -= 1
- return pretouchRec(next, opts)
-}
-