Implements debugger “help” command.
# File cli/ruby-debug/commands/help.rb, line 48 def help(cmd) %Q{ h[elp]\t\tprint this help h[elp] command\tprint help on command } end
# File cli/ruby-debug/commands/help.rb, line 44 def help_command 'help' end
# File cli/ruby-debug/commands/help.rb, line 11 def execute if @match[1] args = @match[1].split cmds = @state.commands.select do |cmd| [cmd.help_command].flatten.include?(args[0]) end else args = @match[1] cmds = [] end unless cmds.empty? help = cmds.map{ |cmd| cmd.help(args) }.join help = help.split("\n").map{|l| l.gsub(/^ +/, '')} help.shift if help.first && help.first.empty? help.pop if help.last && help.last.empty? print help.join("\n") else if args and args[0] errmsg "Undefined command: \"#{args[0]}\". Try \"help\"." else print "ruby-debug help v#{Debugger::VERSION}\n" unless self.class.settings[:debuggertesting] print "Type 'help <command-name>' for help on a specific command\n\n" print "Available commands:\n" cmds = @state.commands.map{ |cmd| cmd.help_command } cmds = cmds.flatten.uniq.sort print columnize(cmds, self.class.settings[:width]) end end print "\n" end
# File cli/ruby-debug/commands/help.rb, line 7 def regexp /^\s* h(?:elp)? (?:\s+(.+))? $/ end