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