1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef ADC_CPP_TOKPROCT_HXX 25 #define ADC_CPP_TOKPROCT_HXX 26 27 28 29 // USED SERVICES 30 // BASE CLASSES 31 // COMPONENTS 32 // PARAMETERS 33 34 35 class ParseEnvironment; 36 37 /** is a parent class for classes, which take part in parsing tokens semantically. 38 It provides some types for them. 39 */ 40 class TokenProcessing_Types 41 { 42 public: 43 enum E_TokenDone 44 { 45 not_done = 0, 46 done = 1 47 }; 48 49 enum E_EnvStackAction 50 { 51 stay, // same parse environment 52 push, // push sub environment 53 pop_success, // return to parent environment, parsing was successful 54 pop_failure // return to parent environment, but an error occured. 55 }; 56 57 struct TokenProcessing_Result 58 { 59 E_TokenDone eDone; 60 E_EnvStackAction eStackAction; 61 ParseEnvironment * pEnv2Push; 62 TokenProcessing_ResultTokenProcessing_Types::TokenProcessing_Result63 TokenProcessing_Result() 64 : eDone(not_done), eStackAction(stay), pEnv2Push(0) {} ResetTokenProcessing_Types::TokenProcessing_Result65 void Reset() { eDone = not_done; eStackAction = stay; pEnv2Push = 0; } 66 }; 67 68 enum E_ParseResult 69 { 70 res_error, 71 res_complete, 72 res_predeclaration 73 }; 74 }; 75 76 77 78 #endif 79 80