Exception: Upl::Runtime::PrologException

Inherits:
RuntimeError
  • Object
show all
Defined in:
lib/upl/runtime.rb

Instance Method Summary collapse

Constructor Details

#initialize(term_tree) ⇒ PrologException 



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# File 'lib/upl/runtime.rb', line 23

def initialize(term_tree)
  @term_tree = term_tree
end

Instance Method Details

#message ⇒ Object 



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# File 'lib/upl/runtime.rb', line 27

def message
  @message ||= begin
    # TODO need to use print_message_lines/3 to generate this string
    pp = PP.new
    @term_tree.args.each{|arg| arg.pretty_print pp}
    "#{@term_tree.atom}: #{pp.output}"
  end
end