# File lib/sass/script/parser.rb, line 70 def parse(css_variable = false) if css_variable @css_variable_warning = CssVariableWarning.new end expr = assert_expr :expr assert_done expr.options = @options check_for_interpolation expr if css_variable @css_variable_warning.value = expr end expr rescue Sass::SyntaxError => e e.modify_backtrace :line => @lexer.line, :filename => @options[:filename] raise e end