Class: Debugger::ListCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/ruby-debug/commands/list.rb

Overview

:nodoc:

Constant Summary

Constants inherited from Command

Command::DEF_OPTIONS

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Command

commands, inherited, #initialize, load_commands, #match, method_missing, options

Constructor Details

This class inherits a constructor from Debugger::Command

Class Method Details

.help(cmd) ⇒ Object 



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# File 'lib/ruby-debug/commands/list.rb', line 37

def help(cmd)
  %{
    l[ist]\t\tlist forward
    l[ist] -\tlist backward
    l[ist] =\tlist current line
    l[ist] nn-mm\tlist given lines
    l[ist] on/off\tprint listing on every stop
  }
end

.help_command ⇒ Object 



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# File 'lib/ruby-debug/commands/list.rb', line 33

def help_command
  'list'
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/ruby-debug/commands/list.rb', line 7

def execute
  if !@match || !(@match[1] || @match[2])
    b = @state.previous_line ? @state.previous_line + 10 : @state.line - 5
    e = b + 9
  elsif @match[1] == '-'
    b = @state.previous_line ? @state.previous_line - 10 : @state.line - 5
    e = b + 9
  elsif @match[1] == '='
    @state.previous_line = nil
    b = @state.line - 5
    e = b + 9
  else
    b, e = @match[2].split(/[-,]/)
    if e
      b = b.to_i
      e = e.to_i
    else
      b = b.to_i - 5
      e = b + 9
    end
  end
  @state.previous_line = b
  display_list(b, e, @state.file, @state.line)
end

#regexp ⇒ Object 



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# File 'lib/ruby-debug/commands/list.rb', line 3

def regexp
  /^\s*l(?:ist)?(?:\s*([-=])|\s+(.+))?$/
end