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Debugger::ListCommand

Implements debugger “list” command.

Public Class Methods

help(cmd) click to toggle source
# File cli/ruby-debug/commands/list.rb, line 55
def help(cmd)
  %{
    l[ist]\t\tlist forward
    l[ist] -\tlist backward
    l[ist] =\tlist current line
    l[ist] nn-mm\tlist given lines
    * NOTE - to turn on autolist, use 'set autolist'
  }
end
help_command() click to toggle source
# File cli/ruby-debug/commands/list.rb, line 51
def help_command
  'list'
end

Public Instance Methods

execute() click to toggle source
# File cli/ruby-debug/commands/list.rb, line 16
def execute
  listsize = Command.settings[:listsize]
  if !@match || !(@match[1] || @match[2])
    b = @state.previous_line ? 
    @state.previous_line + listsize : @state.line - (listsize/2)
    e = b + listsize - 1
  elsif @match[1] == '-'
    b = if @state.previous_line
          if  @state.previous_line > 0
            @state.previous_line - listsize 
          else
            @state.previous_line
          end
        else 
          @state.line - (listsize/2)
        end
    e = b + listsize - 1
  elsif @match[1] == '='
    @state.previous_line = nil
    b = @state.line - (listsize/2)
    e = b + listsize -1
  else
    b, e = @match[2].split(/[-,]/)
    if e
      b = b.to_i
      e = e.to_i
    else
      b = b.to_i - (listsize/2)
      e = b + listsize - 1
    end
  end
  @state.previous_line = display_list(b, e, @state.file, @state.line)
end
regexp() click to toggle source
# File cli/ruby-debug/commands/list.rb, line 12
def regexp
  /^\s* l(?:ist)? (?:\s*([-=])|\s+(.+))? $/
end

[Validate]

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