class SC::InvocationChain

InvocationChain tracks the chain of task invocations to detect circular dependencies. Borrowed from Rake 0.8.3

Constants

EMPTY

Public Class Methods

append(value, chain) click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 37
def self.append(value, chain)
  chain.append(value)
end
new(value, tail) click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 13
def initialize(value, tail)
  @value = value
  @tail = tail
end

Public Instance Methods

already_invoked?(task) click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 22
def already_invoked?(task)
  (task == @value) || @tail.already_invoked?(task)
end
append(value) click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 26
def append(value)
  if member?(value)
    raise "Circular dependency detected: #{to_s} => #{value}"
  end
  self.class.new(value, self)
end
member?(obj) click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 18
def member?(obj)
  @value == obj || @tail.member?(obj)
end
to_s() click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 33
def to_s
  "#{prefix}#{@value}"
end

Private Instance Methods

prefix() click to toggle source
# File lib/sproutcore/buildfile/invocation_chain.rb, line 43
def prefix
  "#{@tail.to_s} => "
end