Class: Pione::Util::ExceptionAtom

Inherits:
Parslet::Atoms::Base
  • Object
show all
Defined in:
lib/pione/util/parslet-extension.rb

Instance Method Summary collapse

Constructor Details

#initialize(atom, exception) ⇒ ExceptionAtom

Returns a new instance of ExceptionAtom.



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# File 'lib/pione/util/parslet-extension.rb', line 56

def initialize(atom, exception)
  @atom = atom
  @exception = exception
end

Instance Method Details

#to_s_inner(prec) ⇒ Object 



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# File 'lib/pione/util/parslet-extension.rb', line 72

def to_s_inner(prec)
  "EXCEPTION"
end

#try(source, context) ⇒ Object 



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# File 'lib/pione/util/parslet-extension.rb', line 61

def try(source, context)
  success, value = result = @atom.apply(source, context)
  if success
    esuccess, _ = @exception.apply(source, context)
    if esuccess
      return result
    end
  end
  return result
end