Module: Ripl::MultiLine::Irb

Defined in:
lib/ripl/multi_line/irb.rb

Overview

# # # This multi-line implementation uses IRB’s RubyLex parser

works on:         2.0  1.9  1.8  jruby  rbx
analyze features: none

Constant Summary collapse

VERSION = 
'0.1.0'

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

.scanner ⇒ Object (readonly)

Returns the value of attribute scanner.



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# File 'lib/ripl/multi_line/irb.rb', line 16

def scanner
  @scanner
end

Class Method Details

.lex ⇒ Object 



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# File 'lib/ripl/multi_line/irb.rb', line 35

def @scanner.lex
  until (((tk = token).kind_of?(RubyLex::TkNL) || tk.kind_of?(RubyLex::TkEND_OF_SCRIPT)) &&
    !@continue or
    tk.nil?)
    #p tk
    #p @lex_state
    #p self
  end
  @found_eof = true if tk.kind_of?(RubyLex::TkEND_OF_SCRIPT)
  line = get_readed
  #      print self.inspect
  if line == "" and tk.kind_of?(RubyLex::TkEND_OF_SCRIPT) || tk.nil?
    nil
  else
    line
  end
end

.multiline? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ripl/multi_line/irb.rb', line 22

def @scanner.multiline?
  initialize_input
  @continue = false
  @found_eof = false

  while line = lex
    @line << line
    @continue = false
  end
    
  !!( !@found_eof or @ltype or @continue or @indent > 0 )
end

Instance Method Details

#multiline?(string) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ripl/multi_line/irb.rb', line 53

def multiline?(string)
  Ripl::MultiLine::Irb.scanner.set_input StringIO.new(string + "\0")
  Ripl::MultiLine::Irb.scanner.multiline?
end