Method: ActionView::Template::Handlers::ERB#translate_location

Defined in:
actionview/lib/action_view/template/handlers/erb.rb

#translate_location(spot, backtrace_location, source) ⇒ Object

Translate an error location returned by ErrorHighlight to the correct source location inside the template.



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# File 'actionview/lib/action_view/template/handlers/erb.rb', line 43

def translate_location(spot, backtrace_location, source)
  # Tokenize the source line
  source_lines = source.lines
  return nil if source_lines.size < backtrace_location.lineno
  tokens = ::ERB::Util.tokenize(source_lines[backtrace_location.lineno - 1])
  new_first_column = find_offset(spot[:snippet], tokens, spot[:first_column])
  lineno_delta = spot[:first_lineno] - backtrace_location.lineno
  spot[:first_lineno] -= lineno_delta
  spot[:last_lineno] -= lineno_delta

  column_delta = spot[:first_column] - new_first_column
  spot[:first_column] -= column_delta
  spot[:last_column] -= column_delta
  spot[:script_lines] = source_lines

  spot
rescue NotImplementedError, LocationParsingError
  nil
end