github.com/cloudwego/frugal@v0.1.15/internal/binary/decoder/linker.go (about)

     1  /*
     2   * Copyright 2022 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 decoder
    18  
    19  import (
    20      `github.com/cloudwego/frugal/internal/atm/hir`
    21      `github.com/cloudwego/frugal/internal/utils`
    22  )
    23  
    24  type Linker interface {
    25      Link(p hir.Program) Decoder
    26  }
    27  
    28  var (
    29      linker   Linker
    30      F_decode *hir.CallHandle
    31  )
    32  
    33  func init() {
    34      F_decode = hir.RegisterGCall(decode, emu_gcall_decode)
    35  }
    36  
    37  func Link(p hir.Program) Decoder {
    38      if linker == nil || utils.ForceEmulator {
    39          return link_emu(p)
    40      } else {
    41          return linker.Link(p)
    42      }
    43  }
    44  
    45  func SetLinker(v Linker) {
    46      linker = v
    47  }