1*1c78a5d6SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*1c78a5d6SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*1c78a5d6SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*1c78a5d6SAndrew Rist * distributed with this work for additional information 6*1c78a5d6SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*1c78a5d6SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*1c78a5d6SAndrew Rist * "License"); you may not use this file except in compliance 9*1c78a5d6SAndrew Rist * with the License. You may obtain a copy of the License at 10cdf0e10cSrcweir * 11*1c78a5d6SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13*1c78a5d6SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*1c78a5d6SAndrew Rist * software distributed under the License is distributed on an 15*1c78a5d6SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*1c78a5d6SAndrew Rist * KIND, either express or implied. See the License for the 17*1c78a5d6SAndrew Rist * specific language governing permissions and limitations 18*1c78a5d6SAndrew Rist * under the License. 19cdf0e10cSrcweir * 20*1c78a5d6SAndrew Rist *************************************************************/ 21*1c78a5d6SAndrew Rist 22*1c78a5d6SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef ADC_STMSTATE_HXX 25cdf0e10cSrcweir #define ADC_STMSTATE_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir // USED SERVICES 28cdf0e10cSrcweir // BASE CLASSES 29cdf0e10cSrcweir // COMPONENTS 30cdf0e10cSrcweir // PARAMETERS 31cdf0e10cSrcweir class StmArrayStatus; 32cdf0e10cSrcweir class StmBoundsStatus; 33cdf0e10cSrcweir 34cdf0e10cSrcweir /** A StmStatus is a state within a StateMachine. 35cdf0e10cSrcweir There are two kinds of it. Either its an array of pointers to 36cdf0e10cSrcweir other states within the state machine - an ArrayStatus. 37cdf0e10cSrcweir 38cdf0e10cSrcweir Or it is a BoundsStatus, which shows, the token cannot be 39cdf0e10cSrcweir followed further within the StateMachine. 40cdf0e10cSrcweir **/ 41cdf0e10cSrcweir class StmStatus // := "State machine status" 42cdf0e10cSrcweir { 43cdf0e10cSrcweir public: 44cdf0e10cSrcweir typedef intt Branch; /// Values >= 0 give a next #Status' ID. 45cdf0e10cSrcweir /// Values <= 0 tell, that a token is finished. 46cdf0e10cSrcweir /// a value < 0 returns the status back to an upper level state machine. 47cdf0e10cSrcweir // LIFECYCLE 48cdf0e10cSrcweir virtual ~StmStatus() {} 49cdf0e10cSrcweir 50cdf0e10cSrcweir // OPERATIONS 51cdf0e10cSrcweir virtual StmArrayStatus * 52cdf0e10cSrcweir AsArray(); 53cdf0e10cSrcweir virtual StmBoundsStatus * 54cdf0e10cSrcweir AsBounds(); 55cdf0e10cSrcweir 56cdf0e10cSrcweir // INQUIRY 57cdf0e10cSrcweir virtual bool IsADefault() const = 0; 58cdf0e10cSrcweir }; 59cdf0e10cSrcweir 60cdf0e10cSrcweir 61cdf0e10cSrcweir 62cdf0e10cSrcweir #endif 63cdf0e10cSrcweir 64cdf0e10cSrcweir 65