statetype.java

java版本的词法分析器

//:LexicalAnalyser:StateType.java
//using interfaces to create the state types which are constants
package LexicalAnalyser;

public interface StateType{
/* 7 states in scanner DFA 
* INIDWUL: id with '_'
* INLT:>
*/
   int
   START=1,INNUM=2,INID=3,
   INIDWUL=4,INASSIGN=5,INLT=6,
   DONE=7;
   
}