projects / deliverable / titan.core.git / blame
| Commit | Line | Data |
|---|---|---|
| 970ed795 | 1 | /////////////////////////////////////////////////////////////////////////////// |
| 3abe9331 | 2 | // Copyright (c) 2000-2015 Ericsson Telecom AB |
| 970ed795 EL |
3 | // All rights reserved. This program and the accompanying materials |
| 4 | // are made available under the terms of the Eclipse Public License v1.0 | |
| 5 | // which accompanies this distribution, and is available at | |
| 6 | // http://www.eclipse.org/legal/epl-v10.html | |
| 7 | /////////////////////////////////////////////////////////////////////////////// | |
| 8 | #ifndef _langviz_Node_HH | |
| 9 | #define _langviz_Node_HH | |
| 10 | ||
| 11 | /** | |
| 12 | * Base class for AST-classes. | |
| 13 | */ | |
| 14 | class Node { | |
| 15 | private: | |
| 16 | /** To detect missing/duplicated invoking of destructor. */ | |
| 17 | static int counter; | |
| 18 | #ifdef MEMORY_DEBUG | |
| 19 | /** Linked list for tracking undeleted nodes. */ | |
| 20 | Node *prev_node, *next_node; | |
| 21 | #endif | |
| 22 | protected: | |
| 23 | /** Default constructor. */ | |
| 24 | Node(); | |
| 25 | /** The copy constructor. */ | |
| 26 | Node(const Node& p); | |
| 27 | public: | |
| 28 | /** | |
| 29 | * "Virtual constructor". | |
| 30 | */ | |
| 31 | virtual Node* clone() const =0; | |
| 32 | /** The destructor. */ | |
| 33 | virtual ~Node(); | |
| 34 | /** Gives an error message if counter is not zero. It can be | |
| 35 | * invoked before the program exits (like check_mem_leak()) to | |
| 36 | * verify that all Nodes are destructed. */ | |
| 37 | static void chk_counter(); | |
| 38 | }; | |
| 39 | ||
| 40 | #endif // _langviz_Node_HH |