/*
 * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of Hyra nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

%{
#include <stdio.h>
#include <stdlib.h>

int yylex();
int yyerror(char *s);
%}

%union {
    char *str;
    int num;
}

%token OPTION SETVAL
%token <str> IDENTIFIER
%token YES NO
%token NUMBER STRING

%type <str> str STRING
%type <num> yes_or_no YES NO
%type <num> num NUMBER

%%

input:
     | line input
     ;

line: OPTION IDENTIFIER yes_or_no {
        printf("-D__%s=%d ", $2, $3);
        free($2);
    }
    | SETVAL IDENTIFIER num {
        printf("-D__%s=%d " , $2, $3);
        free($2);
    }
    | SETVAL IDENTIFIER str {
        printf("-D__%s=%s ", $2, $3);
        free($2);
        free($3);
    }

yes_or_no: YES { $$ = 1; }
         | NO  { $$ = 0; }
         ;

num: NUMBER { $$ = $1; }
str: STRING { $$ = $1; }

%%

int
main(void)
{
    yyparse();
    printf("\n");
}