File indexing completed on 2024-04-28 15:54:30
0001 /* This file is part of kdev-pg-qt 0002 Copyright (C) 2005 Roberto Raggi <roberto@kdevelop.org> 0003 Copyright (C) 2006 Jakob Petsovits <jpetso@gmx.at> 0004 0005 This library is free software; you can redistribute it and/or 0006 modify it under the terms of the GNU Library General Public 0007 License as published by the Free Software Foundation; either 0008 version 2 of the License, or (at your option) any later version. 0009 0010 This library is distributed in the hope that it will be useful, 0011 but WITHOUT ANY WARRANTY; without even the implied warranty of 0012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0013 Library General Public License for more details. 0014 0015 You should have received a copy of the GNU Library General Public License 0016 along with this library; see the file COPYING.LIB. If not, write to 0017 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 0018 Boston, MA 02110-1301, USA. 0019 */ 0020 0021 #ifndef KDEV_PG_VISITOR_H 0022 #define KDEV_PG_VISITOR_H 0023 0024 #include "kdev-pg-ast.h" 0025 0026 namespace KDevPG 0027 { 0028 0029 class Visitor 0030 { 0031 public: 0032 virtual ~Visitor() 0033 {} 0034 0035 virtual void visitNode(Model::Node *node) 0036 { 0037 if (node) 0038 (this->*sTable[node->kind])(node); 0039 } 0040 0041 protected: 0042 virtual void visitZero(Model::ZeroItem *) {} 0043 virtual void visitPlus(Model::PlusItem *) {} 0044 virtual void visitStar(Model::StarItem *) {} 0045 virtual void visitSymbol(Model::SymbolItem *) {} 0046 virtual void visitAction(Model::ActionItem *) {} 0047 virtual void visitAlternative(Model::AlternativeItem *) {} 0048 virtual void visitCons(Model::ConsItem *) {} 0049 virtual void visitEvolve(Model::EvolveItem *) {} 0050 virtual void visitTryCatch(Model::TryCatchItem *) {} 0051 virtual void visitAlias(Model::AliasItem *) {} 0052 virtual void visitTerminal(Model::TerminalItem *) {} 0053 virtual void visitNonTerminal(Model::NonTerminalItem *) {} 0054 virtual void visitInlinedNonTerminal(Model::InlinedNonTerminalItem *) {} 0055 virtual void visitAnnotation(Model::AnnotationItem *) {} 0056 virtual void visitCondition(Model::ConditionItem *) {} 0057 virtual void visitVariableDeclaration(Model::VariableDeclarationItem *) {} 0058 virtual void visitOperator(Model::OperatorItem *) {} 0059 0060 private: 0061 typedef void (Visitor::*VisitorFuncPointer)(Model::Node *item); 0062 static Visitor::VisitorFuncPointer sTable[]; 0063 }; 0064 0065 } 0066 0067 #endif // KDEV_PG_VISITOR_H 0068