bison -d -t analyse_syntaxique.y -v
flex analyse_lexicale.lex 
gcc -w *.c -ly
echo "
    int main(){
        const int toto = 1, mimi, lolo = 6;
        int tata = 5, lala;
        while (tata == 5){
            printf(tata);
            lala = lolo + 6;
        } 
        return 1;
    }
" | ./a.out