token.java

编译器中的词法分析

package cmm.cmmcc;

/**
 * 单词类
 * @author Huang Xuanxing
 *
 */
public class Token {
	private int type;
	private String txt;
	private int column;
	private int line;
	
	public Token(int inType, String inTxt) {
		type = inType;
		txt = inTxt;
		column = 1;
		line = 1;
	}
	
	public Token(int inType, String inTxt, int inColumn, int inLine) {
		type = inType;
		txt = inTxt;
		column = inColumn;
		line = inLine;
	}
	
	public int getType() {
		return type;
	}
	
	public String getTxt() {
		return txt;
	}

	public int getColumn() {
		return column;
	}
	
	public int getLine() {
		return line;
	}
	
	public String toString() {
		return "<" + getType() + ">" + getTxt() + " at (" + getLine() + "," + getColumn() + ")";  
	}
}