Exception: Roby::Coordination::Models::UnreachableStateUsed

Inherits:
RuntimeError
  • Object
show all
Defined in:
lib/roby/coordination/models/exceptions.rb

Overview

Exception raised in state machine definitions when a state is used in a transition, that cannot be reached in the first place

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(states) ⇒ UnreachableStateUsed

Returns a new instance of UnreachableStateUsed.



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# File 'lib/roby/coordination/models/exceptions.rb', line 19

def initialize(states)
    super()

    @states = states
end

Instance Attribute Details

#states ⇒ Object (readonly)

The set of unreachable states



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# File 'lib/roby/coordination/models/exceptions.rb', line 17

def states
  @states
end

Instance Method Details

#pretty_print(pp) ⇒ Object 



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# File 'lib/roby/coordination/models/exceptions.rb', line 25

def pretty_print(pp)
    pp.text "#{states.size} states are unreachable but used in transitions anyways"
    pp.nest(2) do
        pp.seplist(states) do |s|
            pp.breakable
            s.pretty_print(pp)
        end
    end
end