cache.go raw

   1  /*
   2   * Copyright 2021 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 vars
  18  
  19  import (
  20  	"unsafe"
  21  
  22  	"github.com/bytedance/sonic/internal/rt"
  23  )
  24  
  25  type Encoder func(
  26  	rb *[]byte,
  27  	vp unsafe.Pointer,
  28  	sb *Stack,
  29  	fv uint64,
  30  ) error
  31  
  32  func FindOrCompile(vt *rt.GoType, pv bool, compiler func(*rt.GoType, ... interface{}) (interface{}, error)) (interface{}, error) {
  33  	if val := programCache.Get(vt); val != nil {
  34  		return val, nil
  35  	} else if ret, err := programCache.Compute(vt, compiler, pv); err == nil {
  36  		return ret, nil
  37  	} else {
  38  		return nil, err
  39  	}
  40  }
  41  
  42  func GetProgram(vt *rt.GoType) (interface{}) {
  43  	return programCache.Get(vt)
  44  }
  45  
  46  func ComputeProgram(vt *rt.GoType, compute func(*rt.GoType, ... interface{}) (interface{}, error), pv bool) (interface{}, error) {
  47  	return programCache.Compute(vt, compute, pv)
  48  }