/***              Driver to test get_next_token                ***/ 
/***                                                           ***/
/*** This tests only basic (simple) tokens; should be modified ***/
/*** to output keywords when lexical identification is         ***/
/*** implemented.                                              ***/

#include   "lex.h"            /* for start_lex(), get_next_token() */ 

int main(void) 
{ 
    start_lex(); 
    do 
    { 
          get_next_token(); 
          switch (Token.class) 
          { 
            case IDENTIFIER:      printf("Identifier"); break; 
            case INTEGER:         printf("Integer"); break; 
            case ERRONEOUS:       printf("Erroneous token"); break; 
            case EOF:             printf("End-of-file pseudo-token"); break; 
            default:              printf("Operator or separator"); break; 
          } 
          printf(": %s\n", Token.repr); 
    } 
    while (Token.class != EOF); 
    return 0; 
}