Exemple #1
0
   def translate(self):
      code_writer = CodeWriter(self.destination_file)

      # for each source filename
      for source_filename in self.source_filenames:
         parser = Parser(source_filename)
         code_writer.set_filename(source_filename)

         # parse each command
         while parser.has_more_commands():
            # advance to the next command
            parser.advance()

            # parse the command type
            command_type = parser.command_type()
            if command_type == "C_ARITHMETIC":
               code_writer.write_arithemtic(parser.arg1())
            elif command_type in ["C_POP", "C_PUSH"]:
               code_writer.write_push_pop(command_type, parser.arg1(), parser.arg2())
            elif command_type == "C_LABEL":
               code_writer.write_label(parser.arg1())
            elif command_type == "C_GOTO":
               code_writer.write_goto(parser.arg1())
            elif command_type == "C_IF":
               code_writer.write_if(parser.arg1())
            elif command_type == "C_FUNCTION":
               code_writer.write_function(parser.arg1(), parser.arg2())
            elif command_type == "C_RETURN":
               code_writer.write_return()
            elif command_type == "C_CALL":
               code_writer.write_call(parser.arg1(), parser.arg2())
            else:
               raise Exception("Not implemented: command type " + command_type)


      # close the output file
      code_writer.close()
Exemple #2
0
   def translate(self):
      code_writer = CodeWriter(self.destination_file)

      # for each source filename
      for source_filename in self.source_filenames:
         parser = Parser(source_filename)
         code_writer.set_filename(source_filename)

         # parse each command
         while parser.has_more_commands():
            # advance to the next command
            parser.advance()

            # parse the command type
            command_type = parser.command_type()
            if command_type == "C_ARITHMETIC":
               code_writer.write_arithemtic(parser.arg1())
            elif command_type in ["C_POP", "C_PUSH"]:
               code_writer.write_push_pop(command_type, parser.arg1(), parser.arg2())
            else:
               raise Error("Not implemented: command type " + command_type)

      # close the output file
      code_writer.close()