Class: Byebug::AddDisplayCommand

Inherits:
Command
  • Object
show all
Defined in:
lib/byebug/commands/display.rb

Overview

Implements the functionality of adding custom expressions to be displayed every time the debugger stops.

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Command

commands, find, format_subcmd, format_subcmds, help, inherited, #initialize, load_commands, #match

Constructor Details

This class inherits a constructor from Byebug::Command

Class Method Details

.description ⇒ Object 



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# File 'lib/byebug/commands/display.rb', line 45

def description
  %(disp[lay] <expression>

    Add <expression> into display expression list.)
end

.names ⇒ Object 



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# File 'lib/byebug/commands/display.rb', line 41

def names
  %w(display)
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/byebug/commands/display.rb', line 34

def execute
  exp = @match[1]
  @state.display.push [true, exp]
  puts "#{@state.display.size}: #{display_expression(exp)}"
end

#regexp ⇒ Object 



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# File 'lib/byebug/commands/display.rb', line 30

def regexp
  /^\s* disp(?:lay)? \s+ (.+) \s*$/x
end