lexicon.cpp.svn-base

来自「一个巴西大学编写的2D仿真组足球机器人程序」· SVN-BASE 代码 · 共 89 行

/***************************************************************************
 *   Copyright (C) 2007 by Orivaldo V. Santana Jr -  [e-mail]   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

/*! \file Lexicon.cpp
<pre>
<b>File:</b>          Lexicon.cpp
<b>Project:</b>       Robocup Soccer Simulation Team: MecaTeam
<b>Authors:</b>       Orivaldo Santana Jr <[e-mail]>
<b>Created:</b>       10/09/2006
<b>Last Revision:</b> $ID$
<b>Contents:</b>      Este arquivo cont閙 a defini玢o da classe 
               Lexicon. Esta classe faz a an醠ise l閤ica do analisador 
               de regras do sistema baseado em conhecimento do agente.
               Ela foi projetada como trabalho da discicplina MAT153 - 
               Compiladores - ministrada pelo professor Luciano Barreto.
<hr size=2>
<h2><b>Changes</b></h2>
<b>Date</b>             <b>Author</b>          <b>Comment</b>
19/09/2006       Orivaldo Vieira      Documenta玢o
</pre>
*/

#include "Lexicon.h"

/*! Construtor, recebe como par鈓etro o nome do arquivo a ser analisado l閤icamente. Ele inicializa os atributos da classe, colocando os indexadores de linha e coluna na posi玢o zero, define verbose para falso e adiciona todos os valores de tokens no map, tokensValues, que associa uma string a cada um desses valores.
    \param fileName nome do arquivo as ser analisado.*/
Lexicon::Lexicon(char *fileName)
{
   m_charLine = 0;
   m_charColumn = 0;
   m_tokenType = TOKEN_UNKNOWN;

   m_verbose = false;

   m_sourceFile.open(fileName);
   if (!(m_sourceFile.good()))
   {
      cout << " ERRO: Nome do aquivo de regras inv醠ido." << endl;
      exit(1);
   }

   tokensValues["if"] = TOKEN_IF;
   tokensValues["then"] = TOKEN_THEN;
   tokensValues["logic"] = TOKEN_LOGIC;
   tokensValues["filter"] = TOKEN_FILTER;
   tokensValues["frame"] = TOKEN_FRAME;
   tokensValues["message"] = TOKEN_MESSAGE;
   tokensValues["to"]= TOKEN_MESSAGE_TO;
   tokensValues["from"] = TOKEN_MESSAGE_FROM;
   tokensValues["deadline"] = TOKEN_MESSAGE_DEADLINE;
   tokensValues["grade"] = TOKEN_MESSAGE_GRADE;
   tokensValues["alpha"] = TOKEN_MESSAGE_ALPHA;
   tokensValues["round"] = TOKEN_MESSAGE_ROUND;
   tokensValues["body"] = TOKEN_MESSAGE_BODY;

   tokensValues["("] = TOKEN_OPEN_BRACKETS;            // simbolos
   tokensValues[")"] = TOKEN_CLOSE_BRACKETS;
   tokensValues["="] = TOKEN_OPERATOR_EQUAL;
   tokensValues["!="] = TOKEN_OPERATOR_NOT_EQUAL;
   tokensValues["<"] = TOKEN_OPERATOR_LESS;
   tokensValues["<="] = TOKEN_OPERATOR_LESS_EQUAL;
   tokensValues[">"] = TOKEN_OPERATOR_GREATER;
   tokensValues[">="] = TOKEN_OPERATOR_GREATER_EQUAL;

}

/*! Destrutor, fechar o arquivo aberto no construtor. */
Lexicon::~Lexicon()
{
   m_sourceFile.close();
}

/*! Este m閠odo chama o extair token at