#include <stdio.h>

#include "ast.h"
#include "lexer.h"

extern struct Node* program_root;
int yyparse(void);

static int parse_program(void)
{
    int status = yyparse();
    if (status != 0 || lexer_failed())
        status = 1;

    node_free(program_root);
    program_root = NULL;
    return status;
}

int main(int argc, char** argv)
{
    if (argc != 2)
    {
        (void)fprintf(stderr, "usage: sfinae <file.sfinae>\n");
        return 2;
    }

    yyin = fopen(argv[1], "r");
    if (yyin == NULL)
    {
        (void)fprintf(stderr, "cannot open %s\n", argv[1]);
        return 1;
    }

    int status = parse_program();
    (void)fclose(yyin);
    return status;
}