File indexing completed on 2024-04-28 15:54:22
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_AST_GEN_H 0022 #define KDEV_PG_AST_GEN_H 0023 0024 #include "kdev-pg-default-visitor.h" 0025 0026 #include <QTextStream> 0027 #include <QSet> 0028 #include <QPair> 0029 #include <QList> 0030 #include <QString> 0031 0032 namespace KDevPG 0033 { 0034 0035 class GenerateAst 0036 { 0037 public: 0038 QTextStream& out; 0039 0040 public: 0041 GenerateAst(QTextStream& o): out(o) 0042 {} 0043 0044 void operator()(); 0045 }; 0046 0047 class GenerateAstRule: protected DefaultVisitor 0048 { 0049 public: 0050 QTextStream& out; 0051 QSet<QString> mNames; 0052 QSet<QString> mGenerated; 0053 QSet<Model::SymbolItem*> mToGenerate; 0054 bool mInAlternative; 0055 bool mInCons; 0056 bool mForce; 0057 bool mFirstTime; 0058 0059 public: 0060 GenerateAstRule(QTextStream& o): out(o), mForce(false), mFirstTime(true) {} 0061 0062 void operator()(Model::SymbolItem *sym); 0063 0064 protected: 0065 void visitAlternative(Model::AlternativeItem *node) override; 0066 void visitVariableDeclaration(Model::VariableDeclarationItem *node) override; 0067 void visitCons(Model::ConsItem *node) override; 0068 void visitEvolve(Model::EvolveItem *node) override; 0069 void visitInlinedNonTerminal(Model::InlinedNonTerminalItem *node) override; 0070 0071 bool switchAlternative(bool alt); 0072 bool switchCons(bool c); 0073 }; 0074 0075 class GenerateAstFwd 0076 { 0077 public: 0078 QTextStream& out; 0079 0080 public: 0081 GenerateAstFwd(QTextStream& o): out(o) 0082 {} 0083 0084 void operator()(); 0085 }; 0086 } 0087 0088 #endif // KDEV_PG_AST_GEN_H