S-expression example

s-expression.txt

[:program, [:stmts_add, [:stmts_new], [:method_add_block, [:command_call, [:var_ref, [:@const, "RSpec", [1, 0]]], :".", 
[:@ident, "describe", [1, 6]], [:args_add_block, [:args_add, [:args_new], [:var_ref, [:@const, "Something", [1, 15]]]],
false]], [:do_block, nil, [:stmts_add, [:stmts_new], [:method_add_block, [:command, [:@ident, "describe", [2, 2]], 
[:args_add_block, [:args_add, [:args_new], [:string_literal, [:string_add, [:string_content], [:@tstring_content, 
"when creating the handler", [2, 12]]]]], false]], [:do_block, nil, [:stmts_add, [:stmts_new], [:method_add_block, 
[:command, [:@ident, "it", [3, 4]], [:args_add_block, [:args_add, [:args_new], [:string_literal, [:string_add, 
[:string_content], [:@tstring_content, "fails if no tweet has been provided", [3, 8]]]]], false]], [:do_block, nil, 
[:stmts_add, [:stmts_new], [:command_call, [:method_add_arg, [:fcall, [:@ident, "expect", [4, 6]]], [:arg_paren, 
[:args_add_block, [:args_add, [:args_new], [:@int, "0", [4, 13]]], false]]], :".", [:@ident, "to", [4, 16]], [:args_add, 
[:args_new], [:command, [:@ident, "be", [4, 19]], [:args_add_block, [:args_add, [:args_new], [:@int, "1", [4, 22]]],
false]]]]]]]]]]]]]]]