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