Module: LiveAST::IRBSpy

Defined in:
lib/live_ast/irb_spy.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.history=(value) ⇒ Object (writeonly)

Sets the attribute history

Parameters:

  • value —

    the value to set the attribute history to.



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# File 'lib/live_ast/irb_spy.rb', line 8

def history=(value)
  @history = value
end

Class Method Details

.can_parse(code) ⇒ Object 



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# File 'lib/live_ast/irb_spy.rb', line 18

def can_parse(code)
  LiveAST.parser.new.parse(code)
rescue StandardError
  false
end

.checked_history ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/live_ast/irb_spy.rb', line 24

def checked_history
  return @history if @history

  raise NotImplementedError,
        "LiveAST cannot access history for this IRB input method"
end

.code_at(line) ⇒ Object 



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# File 'lib/live_ast/irb_spy.rb', line 10

def code_at(line)
  code = +""
  checked_history[line..].each do |code_line|
    code += "#{code_line}\n"
    return code if can_parse code
  end
end