#include <math.h>
#include <stdio.h>

#include "prog1.h"

int maxargs(A_stm statement)
{
	switch (statement->kind) {
	case A_compoundStm: {
		int a = maxargs(statement->u.compound.stm1);
		int b = maxargs(statement->u.compound.stm2);
		return a > b ? a : b;
		break;
	}
	case A_assignStm: {
		if (statement->u.assign.exp->kind == A_eseqExp) {
			return maxargs(statement->u.assign.exp->u.eseq.stm);
		}
	}
	case A_printStm: {
		int sum = 1;
    A_expList expList = statement->u.print.exps;
    while (expList->kind == A_pairExpList) {
      sum++;
      expList = expList->u.pair.tail;
    }
    return sum;
	}
	}

	return 0;
}

int main()
{
	A_stm program = prog();
	int result = maxargs(program);
  printf("maxargs: %d\n", result);
}