case foo; in bar; end ^^^^^^^^^^^^^^^^^^^^^
A node that is missing from the syntax tree. This is only used in the case of a syntax error. The parser gem doesn’t have such a concept, so we invent our own here.
a or b ^^^^^^
The top-level program node.
foo(*bar)
^^^^
def foo((bar, *baz)); end
^^^^
def foo(*); bar(*); end
^
A list of statements.
super(foo) ^^^^^^^^^^