operconsts.java

用java写的语句级语法分析器。用于一些软件对输入的语句进行语法分析

package Expression;

public class OperConsts {
	//用int数据表示优先级
	public static final int OP_ADD = 2;	
	public static final int OP_SUB = 2;	
	public static final int OP_MUT = 3;	
	public static final int OP_DIV = 3;	
	public static final int OP_MOD = 3;	
	public static final int OP_LOGIC = 1;
	public static final int OP_KEYWORDS = 0;
	
	public static final String[] OperateName ={
		"+","-","*","/","%","=","!=","<",">","<=",">="	
	};
	
	public static final String[] TwinName ={
		"\"","(",")"	
	};
	
	public static final String[] Keywords ={
		"LIKE","AND","OR","NOT","EXTERNAL","like","and","or","not","external"
	};
	
	public static final char[] AllChar ={
		' ','+','-','*','/','%','=','<','>','!'
	};

}