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21 
22 
23 
24 #ifndef ADC_STMSTATE_HXX
25 #define ADC_STMSTATE_HXX
26 
27 // USED SERVICES
28 	// BASE CLASSES
29 	// COMPONENTS
30 	// PARAMETERS
31 class StmArrayStatus;
32 class StmBoundsStatus;
33 
34 /**	A StmStatus is a state within a StateMachine.
35 	There are two kinds of it.  Either its an array of pointers to
36 	other states within the state machine - an ArrayStatus.
37 
38 	Or it is a BoundsStatus, which shows, the token cannot be
39 	followed further within the StateMachine.
40 **/
41 class StmStatus	// := "State machine status"
42 {
43   public:
44 	typedef intt		Branch;			/// Values >= 0 give a next #Status' ID.
45 										/// Values <= 0 tell, that a token is finished.
46 										/// a value < 0 returns the status back to an upper level state machine.
47 		// LIFECYCLE
~StmStatus()48 	virtual 			~StmStatus() {}
49 
50 		// OPERATIONS
51 	virtual StmArrayStatus *
52 						AsArray();
53 	virtual StmBoundsStatus *
54 						AsBounds();
55 
56 		// INQUIRY
57 	virtual bool		IsADefault() const = 0;
58 };
59 
60 
61 
62 #endif
63 
64 
65