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The C and C++ Include Header Files

cat -n /usr/include/node/v8-extension.h

     1	// Copyright 2021 the V8 project authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style license that can be
     3	// found in the LICENSE file.
     4	
     5	#ifndef INCLUDE_V8_EXTENSION_H_
     6	#define INCLUDE_V8_EXTENSION_H_
     7	
     8	#include <memory>
     9	
    10	#include "v8-local-handle.h"  // NOLINT(build/include_directory)
    11	#include "v8-primitive.h"     // NOLINT(build/include_directory)
    12	#include "v8config.h"         // NOLINT(build/include_directory)
    13	
    14	namespace v8 {
    15	
    16	class FunctionTemplate;
    17	
    18	// --- Extensions ---
    19	
    20	/**
    21	 * Ignore
    22	 */
    23	class V8_EXPORT Extension {
    24	 public:
    25	  // Note that the strings passed into this constructor must live as long
    26	  // as the Extension itself.
    27	  Extension(const char* name, const char* source = nullptr, int dep_count = 0,
    28	            const char** deps = nullptr, int source_length = -1);
    29	  virtual ~Extension() { delete source_; }
    30	  virtual Local<FunctionTemplate> GetNativeFunctionTemplate(
    31	      Isolate* isolate, Local<String> name) {
    32	    return Local<FunctionTemplate>();
    33	  }
    34	
    35	  const char* name() const { return name_; }
    36	  size_t source_length() const { return source_length_; }
    37	  const String::ExternalOneByteStringResource* source() const {
    38	    return source_;
    39	  }
    40	  int dependency_count() const { return dep_count_; }
    41	  const char** dependencies() const { return deps_; }
    42	  void set_auto_enable(bool value) { auto_enable_ = value; }
    43	  bool auto_enable() { return auto_enable_; }
    44	
    45	  // Disallow copying and assigning.
    46	  Extension(const Extension&) = delete;
    47	  void operator=(const Extension&) = delete;
    48	
    49	 private:
    50	  const char* name_;
    51	  size_t source_length_;  // expected to initialize before source_
    52	  String::ExternalOneByteStringResource* source_;
    53	  int dep_count_;
    54	  const char** deps_;
    55	  bool auto_enable_;
    56	};
    57	
    58	void V8_EXPORT RegisterExtension(std::unique_ptr<Extension>);
    59	
    60	}  // namespace v8
    61	
    62	#endif  // INCLUDE_V8_EXTENSION_H_