# File lib/yard/handlers/ruby/legacy/class_condition_handler.rb, line 28 def parse_condition condition = nil # Right now we can handle very simple unary conditions like: # if true # if false # if 0 # if 100 (not 0) # if defined? SOME_CONSTANT # # The last case will do a lookup in the registry and then one # in the Ruby world (using eval). case statement.tokens[1..-1].to_s.strip when /^(\d+)$/ condition = $1 != "0" when /^defined\?\s*\(?(.+?)\)?$/ # defined? keyword used, let's see if we can look up the name # in the registry, then we'll try using Ruby's powers. eval() is not # *too* dangerous here since code is not actually executed. name = $1 obj = YARD::Registry.resolve(namespace, name, true) begin condition = true if obj || Object.instance_eval("defined? #{name}") rescue SyntaxError, NameError condition = false end when "true" condition = true when "false" condition = false end if TkUNLESS === statement.tokens.first condition = !condition if condition != nil end condition end