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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 "romanparser.tab.h"
%}
%option prefix="yyroman"
%option noyywrap
%option nounput
%option noinput
INT_R [\-+]?[0-9]+
%%
{INT_R} {
yyromanlval = atoll(yytext);
return INT;
}
nulla { yyromanlval = 0; return ZERO; }
minus { yyromanlval = -1; return MINUS; }
[iI] { yyromanlval = 1; return I; }
[vV] { yyromanlval = 5; return V; }
[xX] { yyromanlval = 10; return X; }
[lL] { yyromanlval = 50; return L; }
[cC] { yyromanlval = 100; return C; }
[dD] { yyromanlval = 500; return D; }
[mM] { yyromanlval = 1000; return M; }
[ \t\n]* /* eat whitespace */
. return ERR;
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