class Sass::Engine
def _to_tree
def _to_tree check_encoding! if @options[:syntax] == :scss root = Sass::SCSS::Parser.new(@template).parse else root = Tree::RootNode.new(@template) append_children(root, tree(tabulate(@template)).first, true) end root.options = @options root rescue SyntaxError => e e.modify_backtrace(:filename => @options[:filename], :line => @line) e.sass_template = @template raise e end