ConditionParser.hpp
Go to the documentation of this file.00001 /*************************************************************************** 00002 tag: Peter Soetens Mon Jan 19 14:11:25 CET 2004 ConditionParser.hpp 00003 00004 ConditionParser.hpp - description 00005 ------------------- 00006 begin : Mon January 19 2004 00007 copyright : (C) 2004 Peter Soetens 00008 email : peter.soetens@mech.kuleuven.ac.be 00009 00010 *************************************************************************** 00011 * This library is free software; you can redistribute it and/or * 00012 * modify it under the terms of the GNU General Public * 00013 * License as published by the Free Software Foundation; * 00014 * version 2 of the License. * 00015 * * 00016 * As a special exception, you may use this file as part of a free * 00017 * software library without restriction. Specifically, if other files * 00018 * instantiate templates or use macros or inline functions from this * 00019 * file, or you compile this file and link it with other files to * 00020 * produce an executable, this file does not by itself cause the * 00021 * resulting executable to be covered by the GNU General Public * 00022 * License. This exception does not however invalidate any other * 00023 * reasons why the executable file might be covered by the GNU General * 00024 * Public License. * 00025 * * 00026 * This library is distributed in the hope that it will be useful, * 00027 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00028 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00029 * Lesser General Public License for more details. * 00030 * * 00031 * You should have received a copy of the GNU General Public * 00032 * License along with this library; if not, write to the Free Software * 00033 * Foundation, Inc., 59 Temple Place, * 00034 * Suite 330, Boston, MA 02111-1307 USA * 00035 * * 00036 ***************************************************************************/ 00037 00038 #ifndef CONDITIONPARSER_HPP 00039 #define CONDITIONPARSER_HPP 00040 00041 #include "parser-types.hpp" 00042 #include "CommonParser.hpp" 00043 #include "ExpressionParser.hpp" 00044 #include "../internal/DataSource.hpp" 00045 00046 #include <memory> 00047 #include <stack> 00048 #include <utility> 00049 00050 #ifdef ORO_PRAGMA_INTERFACE 00051 #pragma interface 00052 #endif 00053 00054 namespace RTT { namespace scripting 00055 { 00061 class ConditionParser 00062 { 00063 internal::DataSource<bool>::shared_ptr ds_bool; 00064 00065 void seendonecondition(); 00066 void seenexpression(); 00067 00068 rule_t condition; 00069 00070 TaskContext* context; 00071 CommonParser& commonparser; 00072 ExpressionParser expressionparser; 00073 00074 public: 00075 ConditionParser( TaskContext* context, ExecutionEngine* caller, CommonParser& cp ); 00076 ~ConditionParser(); 00077 00078 rule_t& parser() 00079 { 00080 return condition; 00081 }; 00082 00088 ConditionInterface* getParseResult(); 00089 00093 std::pair<base::ActionInterface*,ConditionInterface*> getParseResultAsCommand(); 00094 00095 void reset(); 00096 }; 00097 }} 00098 00099 #endif