lib/json/error.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # This file is free software, which comes along with NIT. This software is
   4 # distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
   5 # without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
   6 # PARTICULAR PURPOSE. You can modify it is you want, provided this header
   7 # is kept unaltered, and a notification of the changes is added.
   8 # You are allowed to redistribute it and sell it, alone or is a part of
   9 # another product.
  10
  11 # Errors related to JSON parsing.
  12 module json::error
  13
  14 import nitcc_runtime
  15
  16 # Ill-formed JSON.
  17 class JsonParseError
  18         super Error
  19
  20         # The location of the error in the original text.
  21         var position: nullable Position
  22
  23         redef fun to_s do
  24                 var p = position
  25                 if p isa Position then
  26                         return "Error Parsing JSON: [{p}] {super}"
  27                 else
  28                         return super
  29                 end
  30         end
  31 end