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 10*1c78a5d6SAndrew Rist * 11*1c78a5d6SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*1c78a5d6SAndrew Rist * 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. 19*1c78a5d6SAndrew Rist * 20*1c78a5d6SAndrew Rist *************************************************************/ 21*1c78a5d6SAndrew Rist 22*1c78a5d6SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef ADC_CPP_TOKPROCT_HXX 25cdf0e10cSrcweir #define ADC_CPP_TOKPROCT_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir 28cdf0e10cSrcweir 29cdf0e10cSrcweir // USED SERVICES 30cdf0e10cSrcweir // BASE CLASSES 31cdf0e10cSrcweir // COMPONENTS 32cdf0e10cSrcweir // PARAMETERS 33cdf0e10cSrcweir 34cdf0e10cSrcweir 35cdf0e10cSrcweir class ParseEnvironment; 36cdf0e10cSrcweir 37cdf0e10cSrcweir /** is a parent class for classes, which take part in parsing tokens semantically. 38cdf0e10cSrcweir It provides some types for them. 39cdf0e10cSrcweir */ 40cdf0e10cSrcweir class TokenProcessing_Types 41cdf0e10cSrcweir { 42cdf0e10cSrcweir public: 43cdf0e10cSrcweir enum E_TokenDone 44cdf0e10cSrcweir { 45cdf0e10cSrcweir not_done = 0, 46cdf0e10cSrcweir done = 1 47cdf0e10cSrcweir }; 48cdf0e10cSrcweir 49cdf0e10cSrcweir enum E_EnvStackAction 50cdf0e10cSrcweir { 51cdf0e10cSrcweir stay, // same parse environment 52cdf0e10cSrcweir push, // push sub environment 53cdf0e10cSrcweir pop_success, // return to parent environment, parsing was successful 54cdf0e10cSrcweir pop_failure // return to parent environment, but an error occured. 55cdf0e10cSrcweir }; 56cdf0e10cSrcweir 57cdf0e10cSrcweir struct TokenProcessing_Result 58cdf0e10cSrcweir { 59cdf0e10cSrcweir E_TokenDone eDone; 60cdf0e10cSrcweir E_EnvStackAction eStackAction; 61cdf0e10cSrcweir ParseEnvironment * pEnv2Push; 62cdf0e10cSrcweir TokenProcessing_ResultTokenProcessing_Types::TokenProcessing_Result63cdf0e10cSrcweir TokenProcessing_Result() 64cdf0e10cSrcweir : eDone(not_done), eStackAction(stay), pEnv2Push(0) {} ResetTokenProcessing_Types::TokenProcessing_Result65cdf0e10cSrcweir void Reset() { eDone = not_done; eStackAction = stay; pEnv2Push = 0; } 66cdf0e10cSrcweir }; 67cdf0e10cSrcweir 68cdf0e10cSrcweir enum E_ParseResult 69cdf0e10cSrcweir { 70cdf0e10cSrcweir res_error, 71cdf0e10cSrcweir res_complete, 72cdf0e10cSrcweir res_predeclaration 73cdf0e10cSrcweir }; 74cdf0e10cSrcweir }; 75cdf0e10cSrcweir 76cdf0e10cSrcweir 77cdf0e10cSrcweir 78cdf0e10cSrcweir #endif 79cdf0e10cSrcweir 80