difftastic/vendored_parsers/tree-sitter-hack/test/cases/statements/while.exp

(script
  (while_statement
    condition: (parenthesized_expression
      (integer))
    body: (expression_statement
      (integer)))
  (while_statement
    condition: (parenthesized_expression
      (integer))
    body: (compound_statement
      (expression_statement
        (integer)))))