# File lib/brakeman/checks/check_sql.rb, line 521 def check_for_string_building exp return unless call? exp target = exp.target method = exp.method arg = exp.first_arg if STRING_METHODS.include? method check_str_target_or_arg(target, arg) or check_interp_target_or_arg(target, arg) or check_for_string_building(target) or check_for_string_building(arg) else nil end end