sharedcharstate.java

编译器中的词法分析

package cmm.cmmcc;

/**
 * 共享字符状态类
 * @author Huang Xuanxing
 *
 */
public class SharedCharState {
	protected int column = 1; // 列号
	protected int line = 1; // 行号
	protected int tokenColumn = 1; // 单词起始列号
	protected int tokenLine = 1; // 单词起始行号

    public void newline() {
    	column = 1;
    	line++;
    }
    
    public void tokenStart() {
    	tokenColumn = column;
    	tokenLine = line;
    }
}