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/*
Copyright (C) 2017 Christoph Berg
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
%{
#include "numeral.h"
#include "numeralparser.tab.h"
%}
%option prefix="yynumeral"
%option noyywrap
%option nounput
%option noinput
INT_R [\-+]?[0-9]+
%%
{INT_R} {
yynumerallval = atoll(yytext);
return INT;
}
minus { return MINUS; }
zero { return ZERO; }
and { return AND; }
- { return DASH; }
one { yynumerallval = 1; return ONE; }
two { yynumerallval = 2; return ONE; }
three { yynumerallval = 3; return ONE; }
four { yynumerallval = 4; return ONE; }
five { yynumerallval = 5; return ONE; }
six { yynumerallval = 6; return ONE; }
seven { yynumerallval = 7; return ONE; }
eight { yynumerallval = 8; return ONE; }
nine { yynumerallval = 9; return ONE; }
ten { yynumerallval = 10; return ONE; }
eleven { yynumerallval = 11; return ONE; }
twelve { yynumerallval = 12; return ONE; }
thirteen { yynumerallval = 13; return ONE; }
fourteen { yynumerallval = 14; return ONE; }
fifteen { yynumerallval = 15; return ONE; }
sixteen { yynumerallval = 16; return ONE; }
seventeen { yynumerallval = 17; return ONE; }
eighteen { yynumerallval = 18; return ONE; }
nineteen { yynumerallval = 19; return ONE; }
twenty { yynumerallval = 20; return TEN; }
thirty { yynumerallval = 30; return TEN; }
forty { yynumerallval = 40; return TEN; }
fifty { yynumerallval = 50; return TEN; }
sixty { yynumerallval = 60; return TEN; }
seventy { yynumerallval = 70; return TEN; }
eighty { yynumerallval = 80; return TEN; }
ninety { yynumerallval = 90; return TEN; }
hundred { yynumerallval = 100; return HUNDRED; }
thousand { yynumerallval = 1000; return THOUSAND; }
millions? { yynumerallval = 1000000; return ZILLION; }
billions? { yynumerallval = 1000000000; return ZILLION; }
trillions? { yynumerallval = 1000000000000; return ZILLION; }
quadrillions? { yynumerallval = 1000000000000000; return ZILLION; }
quintillions? { yynumerallval = 1000000000000000000; return ZILLION; }
[ \t\n]* /* eat whitespace */
. return ERR;
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