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The C and C++ Include Header Files

cat -n /usr/include/wabt/error.h

     1	/*
     2	 * Copyright 2018 WebAssembly Community Group participants
     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	#ifndef WABT_ERROR_H_
    18	#define WABT_ERROR_H_
    19	
    20	#include <string>
    21	#include <string_view>
    22	#include <vector>
    23	
    24	#include "wabt/common.h"
    25	
    26	namespace wabt {
    27	
    28	enum class ErrorLevel {
    29	  Warning,
    30	  Error,
    31	};
    32	
    33	static inline const char* GetErrorLevelName(ErrorLevel error_level) {
    34	  switch (error_level) {
    35	    case ErrorLevel::Warning:
    36	      return "warning";
    37	    case ErrorLevel::Error:
    38	      return "error";
    39	  }
    40	  WABT_UNREACHABLE;
    41	}
    42	
    43	class Error {
    44	 public:
    45	  Error() : error_level(ErrorLevel::Error) {}
    46	  Error(ErrorLevel error_level, Location loc, std::string_view message)
    47	      : error_level(error_level), loc(loc), message(message) {}
    48	
    49	  ErrorLevel error_level;
    50	  Location loc;
    51	  std::string message;
    52	};
    53	
    54	using Errors = std::vector<Error>;
    55	
    56	}  // namespace wabt
    57	
    58	#endif  //  WABT_ERROR_H_