Class: Intar

Inherits:
Object show all
Defined in:
lib/intar/version.rb,
lib/intar.rb,
lib/intar/prompt.rb,
lib/intar/redirect.rb

Overview

intar/version.rb – Version number

Defined Under Namespace

Classes: Break, Bye, Clear, Failed, Prompt, Quit, Redirect, RedirectFile, RedirectNone, RedirectPipe

Constant Summary collapse

DEFAULTS = 
{
  prompt:     "%(32)c%16i%c:%1c%d:%3n%c%> ",
  color:      true,
  show:       1,
  shownil:    false,
  pager:      nil,
  catch_exit: false,
  histhid:    true,
  histfile:   nil,
  histmax:    500,
}
VERSION = 
"2.11".freeze
@@current = 
nil

Class Attribute Summary collapse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(obj = nil, **params) ⇒ Intar

Returns a new instance of Intar.



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# File 'lib/intar.rb', line 80

def initialize obj = nil, **params
  @obj = obj.nil? ? (eval "self", TOPLEVEL_BINDING) : obj
  if @@current then
    @params = @@current.params
    @prompt = @@current.prompt
    @depth  = @@current.depth + 1
  else
    @params = DEFAULTS.dup.update params
    @prompt = Prompt.new
    @depth = 0
  end
  @n = 1

  @binding = @obj.intar_binding
end

Class Attribute Details

.metacmds ⇒ Object (readonly)

Returns the value of attribute metacmds.



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# File 'lib/intar.rb', line 357

def metacmds
  @metacmds
end

Instance Attribute Details

#depth ⇒ Object (readonly)

Returns the value of attribute depth.



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# File 'lib/intar.rb', line 79

def depth
  @depth
end

#n ⇒ Object (readonly)

Returns the value of attribute n.



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# File 'lib/intar.rb', line 79

def n
  @n
end

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/intar.rb', line 79

def params
  @params
end

#prompt ⇒ Object (readonly)

Returns the value of attribute prompt.



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# File 'lib/intar.rb', line 79

def prompt
  @prompt
end

Class Method Details

.open(obj = nil, **params) {|i| ... } ⇒ Object

Yields:

  • (i) 


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# File 'lib/intar.rb', line 53

def open obj = nil, **params
  i = new obj, **params
  yield i
end

.run(obj = nil, **params) ⇒ Object 



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# File 'lib/intar.rb', line 58

def run obj = nil, **params
  open obj, **params do |i| i.run end
end

Instance Method Details

#execute(code) ⇒ Object 



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# File 'lib/intar.rb', line 145

def execute code
  eval code, @binding, "#{self.class}/execute"
end

#run ⇒ Object 



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# File 'lib/intar.rb', line 103

def run
  handle_history do
    set_current do
      oldset = eval OLDSET, @binding
      loop do
        l = readline
        l or break
        @redir = find_redirect l
        begin
          if l.slice! /^\\(\w+|.)\s*(.*?)\s*$\n?/ then
            r = send (get_metacommand $1).method, (eval_param $2)
            l.empty? or @previous = l
          else
            begin
              r = eval_line l
            rescue SyntaxError
              raise if l.end_with? $/
              @previous = l
            end
          end
          next if @previous
          display r
        rescue Clear
          @previous = nil
          next
        rescue Bye
          raise if @depth.nonzero?
          break
        rescue Quit
          break
        rescue Exception
          break if SystemExit === $! and not @params[ :catch_exit]
          r = $!
          show_exception
        end
        oldset.call r, @n
        @n += 1
      end
    end
  end
end

#set_var(name, val) ⇒ Object 



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# File 'lib/intar.rb', line 149

def set_var name, val
  @binding.local_variable_set name, val
end