Class: Byebug::PSCommand

Inherits:
Command show all
Includes:
Columnize
Defined in:
lib/byebug/commands/eval.rb

Overview

Evaluation, pretty printing, columnizing and sorting from byebug’s prompt

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/eval.rb', line 176

def description
  %(ps <expression>

    Evaluates <expression>, an array, sort and columnize its value.)
end

.names ⇒ Object 



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# File 'lib/byebug/commands/eval.rb', line 172

def names
  %w(ps)
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/byebug/commands/eval.rb', line 151

def execute
  out = StringIO.new
  run_with_binding do |b|
    if Setting[:stack_on_error]
      vals = bb_eval(@match.post_match, b)
    else
      vals = bb_warning_eval(@match.post_match, b)
    end
    if vals.is_a?(Array)
      vals = vals.map { |item| item.to_s }
      puts "#{columnize(vals.sort!, Setting[:width])}"
    else
      PP.pp(vals, out)
      puts out.string
    end
  end
rescue
  out.puts $ERROR_INFO.message
end

#regexp ⇒ Object 



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# File 'lib/byebug/commands/eval.rb', line 147

def regexp
  /^\s* ps\s+/x
end