=====================================
empty
=====================================

()

---

(source
  (block))

=====================================
single expression
=====================================

(1)

---

(source
  (block
    (integer)))

=====================================
multiple expressions separated by newline
=====================================

(
  1
  2
)

---

(source
  (block
    (integer)
    (integer)))

=====================================
multiple expressions separated by semicolon
=====================================

(1;2)

---

(source
  (block
    (integer)
    (integer)))

=====================================
multiple expressions separated by mixed separators
=====================================

(
  1

  ;

  2
)

---

(source
  (block
    (integer)
    (integer)))

=====================================
leading semicolon
=====================================

(;1;2)

---

(source
  (block
    (integer)
    (integer)))

=====================================
trailing semicolon
=====================================

(1;2;)

---

(source
  (block
    (integer)
    (integer)))