def scan
@tokens = []
@unget_read = []
@read = []
catch(:eof) do
catch(:enddoc) do
begin
parse_toplevel_statements(@top_level)
rescue Exception => e
$stderr.puts "\n\n"
$stderr.puts "RDoc failure in #@input_file_name at or around " +
"line #{@scanner.line_no} column #{@scanner.char_no}"
$stderr.puts
$stderr.puts "Before reporting this, could you check that the file"
$stderr.puts "you're documenting compiles cleanly--RDoc is not a"
$stderr.puts "full Ruby parser, and gets confused easily if fed"
$stderr.puts "invalid programs."
$stderr.puts
$stderr.puts "The internal error was:\n\n"
e.set_backtrace(e.backtrace[0,4])
raise
end
end
end
@top_level
end