module ErrorHighlight::CoreExt - RDoc Documentation

# module ErrorHighlight::CoreExt

### Constants

SKIP_TO_S_FOR_SUPER_LOOKUP

  This is a marker to let ‘DidYouMean::Correctable#original_message` skip the following method definition of `to_s`. See github.com/ruby/did_you_mean/pull/152

### Public Instance Methods

to_s() click to toggle source
Calls superclass method

    # File lib/error_highlight/core_ext.rb, line 11
    def to_s
      msg = super.dup

      locs = backtrace_locations
      return msg unless locs

      loc = locs.first
      begin
        node = RubyVM::AbstractSyntaxTree.of(loc, keep_script_lines: true)
        opts = {}

        case self
        when NoMethodError, NameError
          opts[:point_type] = :name
          opts[:name] = name
        when TypeError, ArgumentError
          opts[:point_type] = :args
        end

        spot = ErrorHighlight.spot(node, **opts)

      rescue SyntaxError
      rescue SystemCallError # file not found or something
      rescue ArgumentError   # eval'ed code
      end

      if spot
        points = ErrorHighlight.formatter.message_for(spot)
        msg << points if !msg.include?(points)
      end

      msg
    end