stbus.go raw

   1  /**
   2   * Copyright 2024 ByteDance Inc.
   3   *
   4   * Licensed under the Apache License, Version 2.0 (the "License");
   5   * you may not use this file except in compliance with the License.
   6   * You may obtain a copy of the License at
   7   *
   8   *     http://www.apache.org/licenses/LICENSE-2.0
   9   *
  10   * Unless required by applicable law or agreed to in writing, software
  11   * distributed under the License is distributed on an "AS IS" BASIS,
  12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13   * See the License for the specific language governing permissions and
  14   * limitations under the License.
  15   */
  16  
  17  package x86
  18  
  19  import (
  20  	"unsafe"
  21  	_ "unsafe"
  22  
  23  	"github.com/bytedance/sonic/internal/encoder/alg"
  24  	"github.com/bytedance/sonic/internal/encoder/vars"
  25  	"github.com/bytedance/sonic/internal/rt"
  26  	"github.com/bytedance/sonic/loader"
  27  	_ "github.com/cloudwego/base64x"
  28  )
  29  
  30  var compiler func(*rt.GoType, ... interface{}) (interface{}, error)
  31  
  32  func SetCompiler(c func(*rt.GoType, ... interface{}) (interface{}, error)) {
  33  	compiler = c
  34  }
  35  
  36  func ptoenc(p loader.Function) vars.Encoder {
  37      return *(*vars.Encoder)(unsafe.Pointer(&p))
  38  }
  39  
  40  func EncodeTypedPointer(buf *[]byte, vt *rt.GoType, vp *unsafe.Pointer, sb *vars.Stack, fv uint64) error {
  41  	if vt == nil {
  42  		return alg.EncodeNil(buf)
  43  	} else if fn, err := vars.FindOrCompile(vt, (fv&(1<<alg.BitPointerValue)) != 0, compiler); err != nil {
  44  		return err
  45  	} else if vt.Indirect() {
  46  		return	fn.(vars.Encoder)(buf, *vp, sb, fv)
  47  	} else {
  48  		return fn.(vars.Encoder)(buf, unsafe.Pointer(vp), sb, fv)
  49  	}
  50  }
  51  
  52