Fixed zero divide problem.

9 years ago · db5128a9a5
parent 7969d2b75c
commit db5128a9a5
1 changed files with 6 additions and 1 deletions
--- a/language/culebra.h
+++ b/language/culebra.h
@ -778,8 +778,13 @@ private:
                case '+': ret += val; break;
                case '-': ret -= val; break;
                case '*': ret *= val; break;
-                case '/': ret /= val; break;
                case '%': ret %= val; break;
+                case '/':
+                    if (val == 0) {
+                        throw std::runtime_error("divide by 0 error");
+                    }
+                    ret /= val;
+                    break;
            }
        }
        return Value(ret);