text: //
  //  MIT License
  //
  // Copyright(c) 2011-2020 The Maintainers of Nanvix
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  //
  
  #ifndef ASSEMBLER_H_
  #define ASSEMBLER_H_
  
  // Theirs
  #include <iostream>
  
  // Ours
  #include <arch.h>
  
  /**
   * @brief Assembler
   */
  class Assembler
  {
  	private:
  
  		const char *delim = " ,()";
  
  	public:
  
  		/**
  		 * @brief Assembles a source file.
  		 *
  		 * @param file Stream to target input file.
  		 */
  		void assembly(std::istream &input);
  
  		/**
  		 * @brief Assembles a command.
  		 *
  		 * @param line Command line.
  		 *
  		 * @returns The encoded instruction.
  		 */
  		isa32::word_t assembly(std::string &line);
  
  		/**
  		 * @brief Encodes a instruction.
  		 */
  		virtual isa32::word_t encode_instruction(const std::vector<const char *> &inst) = 0;
  };
  
  #endif /* ASSEMBLER_H_ */