int main(int argc, char ** argv){
FILE * fp = stdout;
if (argc < 2 || argc > 3){
printf("Usage: %s input_file [output_file]\n", argv[0]);
exit(1);
}
tokenizer_t t = mk_tokenizer(argv[1]);
program_t p = parse_program(t);
if (argc == 3) fp = safe_fopen(argv[2], "w");
cogen_program(fp, p);
return 0;
}
int main(int argc, char ** argv){
tokenizer_t t = mk_tokenizer(argv[1]);
while(cur_tok(t).kind != tok_eof){
if(cur_tok(t).kind == tok_nl){
t->num = 0;
next_tok(t);
}
else{
int x = eat_int(t);
while(cur_tok(t).kind != tok_nl){
eat_plus(t);
int y = eat_int(t);
x = x + y;
}
t->num = 0;
next_tok(t);
printf("sum = %d\n", x);
}
}
return 0;
}