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27 
28 #ifndef ADC_STMSTATE_HXX
29 #define ADC_STMSTATE_HXX
30 
31 // USED SERVICES
32 	// BASE CLASSES
33 	// COMPONENTS
34 	// PARAMETERS
35 class StmArrayStatus;
36 class StmBoundsStatus;
37 
38 /**	A StmStatus is a state within a StateMachine.
39 	There are two kinds of it.  Either its an array of pointers to
40 	other states within the state machine - an ArrayStatus.
41 
42 	Or it is a BoundsStatus, which shows, the token cannot be
43 	followed further within the StateMachine.
44 **/
45 class StmStatus	// := "State machine status"
46 {
47   public:
48 	typedef intt		Branch;			/// Values >= 0 give a next #Status' ID.
49 										/// Values <= 0 tell, that a token is finished.
50 										/// a value < 0 returns the status back to an upper level state machine.
51 		// LIFECYCLE
52 	virtual 			~StmStatus() {}
53 
54 		// OPERATIONS
55 	virtual StmArrayStatus *
56 						AsArray();
57 	virtual StmBoundsStatus *
58 						AsBounds();
59 
60 		// INQUIRY
61 	virtual bool		IsADefault() const = 0;
62 };
63 
64 
65 
66 #endif
67 
68 
69