/* Lexical Analysis with Flex (2.6.0) We used some of the code from this manual */
/*                                    so we placed the citation here. */
/* definitions */
%option noyywrap
%{
#include "typedefs.h"
%}


%%

.|\n
"integer"       {printf("T_INTEGER      %s, Token %d\n",yytext, T_INTEGER);}      //{return T_INTEGER}
"address"       {printf("T_ADDRESS      %s, Token %d\n",yytext, T_ADDRESS);}      //{return T_ADDRESS}
"Boolean"       {printf("T_BOOLEAN      %s, Token %d\n",yytext, T_BOOLEAN);}      //{return T_BOOLEAN}
"character"     {printf("T_CHARACTER    %s, Token %d\n",yytext, T_CHARACTER);}    //{return T_CHARACTER}
"string"        {printf("T_STRING       %s, Token %d\n",yytext, T_STRING);}       //{return T_STRING}

        /* KEYWARDS */


"while"       {printf("WHILE      %s, Token %d\n",yytext, WHILE);}      //{return WHILE}
"if"       {printf("IF      %s, Token %d\n",yytext, IF);}      //{return IF}
"then"       {printf("THEN      %s, Token %d\n",yytext, THEN);}      //{return THEN}
"else"       {printf("ELSE      %s, Token %d\n",yytext, ELSE);}      //{return ELSE}
"type"       {printf("TYPE      %s, Token %d\n",yytext, TYPE);}      //{return TYPE}
"function"       {printf("FUNCTION      %s, Token %d\n",yytext, FUNCTION);}      //{return FUNCTION}
"return"       {printf("RETURN      %s, Token %d\n",yytext, RETURN);}      //{return RETURN}
"external"       {printf("EXTERNAL      %s, Token %d\n",yytext, EXTERNAL);}      //{return EXTERNAL}
"as"       {printf("AS      %s, Token %d\n",yytext, AS);}      //{return AS}


%%
int main(int argc, char *argv[]){
        argc--, argv++;
        if ( argc > 0 )
                yyin = fopen( argv[0], "r" );
        else
                yyin = stdin;
        yylex();
}