[RW] |
last_description |
Track the last comment made in the Rakefile.
|
1666: def initialize
1667: super
1668: @tasks = Hash.new
1669: @rules = Array.new
1670: @scope = Array.new
1671: @last_description = nil
1672: end
Find a matching task for task_name.
1700: def [](task_name, scopes=nil)
1701: task_name = task_name.to_s
1702: self.lookup(task_name, scopes) or
1703: enhance_with_matching_rule(task_name) or
1704: synthesize_file_task(task_name) or
1705: fail "Don't know how to build task '#{task_name}'"
1706: end
Clear all tasks in this application.
1809: def clear
1810: @tasks.clear
1811: @rules.clear
1812: end
1674: def create_rule(*args, &block)
1675: pattern, arg_names, deps = resolve_args(args)
1676: pattern = Regexp.new(Regexp.quote(pattern) + '$') if String === pattern
1677: @rules << [pattern, deps, block]
1678: end
Return the list of scope names currently active in the task manager.
1849: def current_scope
1850: @scope.dup
1851: end
1680: def define_task(task_class, *args, &block)
1681: task_name, arg_names, deps = resolve_args(args)
1682: task_name = task_class.scope_name(@scope, task_name)
1683: deps = [deps] unless deps.respond_to?(:to_ary)
1684: deps = deps.collect {|d| d.to_s }
1685: task = intern(task_class, task_name)
1686: task.set_arg_names(arg_names) unless arg_names.empty?
1687: task.add_description(@last_description)
1688: @last_description = nil
1689: task.enhance(deps, &block)
1690: task
1691: end
If a rule can be found that matches the task name, enhance the task with
the prerequisites and actions from the rule. Set the source attribute of
the task appropriately for the rule. Return the enhanced task or nil of no
rule was found.
1779: def enhance_with_matching_rule(task_name, level=0)
1780: fail Rake::RuleRecursionOverflowError,
1781: "Rule Recursion Too Deep" if level >= 16
1782: @rules.each do |pattern, extensions, block|
1783: if md = pattern.match(task_name)
1784: task = attempt_rule(task_name, extensions, block, level)
1785: return task if task
1786: end
1787: end
1788: nil
1789: rescue Rake::RuleRecursionOverflowError => ex
1790: ex.add_target(task_name)
1791: fail ex
1792: end
Evaluate the block in a nested namespace named name. Create an
anonymous namespace if name is nil.
1855: def in_namespace(name)
1856: name ||= generate_name
1857: @scope.push(name)
1858: ns = NameSpace.new(self, @scope)
1859: yield(ns)
1860: ns
1861: ensure
1862: @scope.pop
1863: end
Lookup a task. Return an existing task if found, otherwise create a task of
the current type.
1695: def intern(task_class, task_name)
1696: @tasks[task_name.to_s] ||= task_class.new(task_name, self)
1697: end
Lookup a task, using scope and the scope hints in the task name. This
method performs straight lookups without trying to synthesize file tasks or
rules. Special scope names (e.g. ’^’) are recognized. If no
scope argument is supplied, use the current scope. Return nil if the task
cannot be found.
1819: def lookup(task_name, initial_scope=nil)
1820: initial_scope ||= @scope
1821: task_name = task_name.to_s
1822: if task_name =~ /^rake:/
1823: scopes = []
1824: task_name = task_name.sub(/^rake:/, '')
1825: elsif task_name =~ /^(\^+)/
1826: scopes = initial_scope[0, initial_scope.size - $1.size]
1827: task_name = task_name.sub(/^(\^+)/, '')
1828: else
1829: scopes = initial_scope
1830: end
1831: lookup_in_scope(task_name, scopes)
1832: end
Resolve the arguments for a task/rule. Returns a triplet of [task_name,
arg_name_list, prerequisites].
1715: def resolve_args(args)
1716: if args.last.is_a?(Hash)
1717: deps = args.pop
1718: resolve_args_with_dependencies(args, deps)
1719: else
1720: resolve_args_without_dependencies(args)
1721: end
1722: end
1708: def synthesize_file_task(task_name)
1709: return nil unless File.exist?(task_name)
1710: define_task(Rake::FileTask, task_name)
1711: end
List of all defined tasks in this application.
1795: def tasks
1796: @tasks.values.sort_by { |t| t.name }
1797: end
List of all the tasks defined in the given scope (and its sub-scopes).
1801: def tasks_in_scope(scope)
1802: prefix = scope.join(":")
1803: tasks.select { |t|
1804: /^#{prefix}:/ =~ t.name
1805: }
1806: end