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      1 /*
      2  * Copyright 2012, The Android Open Source Project
      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 // Defines a generic interface to a file/memory region that
     18 // contains a generated wrapped bitcode file, bitcode file,
     19 // or data file.
     20 
     21 #ifndef LLVM_WRAP_WRAPPER_OUTPUT_H__
     22 #define LLVM_WRAP_WRAPPER_OUTPUT_H__
     23 
     24 #include <stdint.h>
     25 #include <stddef.h>
     26 
     27 #include "bcinfo/Wrap/support_macros.h"
     28 
     29 // The following is a generic interface to a file/memory region
     30 // that contains a generated bitcode file, wrapped bitcode file,
     31 // or a data file.
     32 class WrapperOutput {
     33  public:
     34   WrapperOutput() {}
     35   virtual ~WrapperOutput() {}
     36   // Writes a single byte, returning false if unable to write.
     37   virtual bool Write(uint8_t byte) = 0;
     38   // Writes the specified number of bytes in the buffer to
     39   // output. Returns false if unable to write.
     40   virtual bool Write(const uint8_t* buffer, size_t buffer_size);
     41  private:
     42   DISALLOW_CLASS_COPY_AND_ASSIGN(WrapperOutput);
     43 };
     44 
     45 #endif  // LLVM_WRAP_WRAPPER_OUTPUT_H__
     46