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/proc/thread-self/root/opt/alt/ruby21/lib64/ruby/2.1.0/irb/ext/history.rb

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#
#   history.rb -
#   	$Release Version: 0.9.6$
#   	$Revision: 38515 $
#   	by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
# --
#
#
#

module IRB # :nodoc:

class Context

NOPRINTING_IVARS.push "@eval_history_values"

# See #set_last_value
    alias _set_last_value set_last_value

def set_last_value(value)
      _set_last_value(value)

#      @workspace.evaluate self, "_ = IRB.CurrentContext.last_value"
      if @eval_history #and !@eval_history_values.equal?(llv)
 	@eval_history_values.push @line_no, @last_value
 	@workspace.evaluate self, "__ = IRB.CurrentContext.instance_eval{@eval_history_values}"
      end

@last_value
    end

# The command result history limit.
    attr_reader :eval_history
    # Sets command result history limit.
    #
    # +no+ is an Integer or +nil+.
    #
    # Returns +no+ of history items if greater than 0.
    #
    # If +no+ is 0, the number of history items is unlimited.
    #
    # If +no+ is +nil+, execution result history isn't used (default).
    def eval_history=(no)
      if no
	if defined?(@eval_history) && @eval_history
	  @eval_history_values.size(no)
	else
	  @eval_history_values = History.new(no)
	  IRB.conf[:__TMP__EHV__] = @eval_history_values
	  @workspace.evaluate(self, "__ = IRB.conf[:__TMP__EHV__]")
	  IRB.conf.delete(:__TMP_EHV__)
	end
      else
	@eval_history_values = nil
      end
      @eval_history = no
    end
  end

class History # :nodoc:
    @RCS_ID='-$Id: history.rb 38515 2012-12-21 05:45:50Z zzak $-'

def initialize(size = 16)
      @size = size
      @contents = []
    end

def size(size)
      if size != 0 && size < @size
	@contents = @contents[@size - size .. @size]
      end
      @size = size
    end

def [](idx)
      begin
	if idx >= 0
	  @contents.find{|no, val| no == idx}[1]
	else
	  @contents[idx][1]
	end
      rescue NameError
	nil
      end
    end

def push(no, val)
      @contents.push [no, val]
      @contents.shift if @size != 0 && @contents.size > @size
    end

alias real_inspect inspect

def inspect
      if @contents.empty?
	return real_inspect
      end

unless (last = @contents.pop)[1].equal?(self)
	@contents.push last
	last = nil
      end
      str = @contents.collect{|no, val|
	if val.equal?(self)
	  "#{no} ...self-history..."
	else
	  "#{no} #{val.inspect}"
	end
      }.join("\n")
      if str == ""
	str = "Empty."
      end
      @contents.push last if last
      str
    end
  end
end

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Name	Size	Perms	Modified	Actions
change-ws.rb	1.46 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive
history.rb	2.41 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive
loader.rb	2.74 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive
math-mode.rb	911 B	lrw-r--r--	2012-12-26 12:29:28	Edit Download recursive recursive
multi-irb.rb	6.58 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive
save-history.rb	2.91 KB	lrw-r--r--	2013-02-04 23:04:09	Edit Download recursive recursive
tracer.rb	1.58 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive
use-loader.rb	1.62 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive
workspaces.rb	1.37 KB	lrw-r--r--	2012-12-21 05:45:50	Edit Download recursive recursive

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