00001 // 00002 // aegis - project change supervisor 00003 // Copyright (C) 1994, 2002, 2005-2008 Peter Miller. 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 3 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program. If not, see 00017 // <http://www.gnu.org/licenses/>. 00018 // 00019 00020 #ifndef AEGIS_AER_EXPR_STRUCT_H 00021 #define AEGIS_AER_EXPR_STRUCT_H 00022 00023 #include <libaegis/aer/expr.h> 00024 00025 class rpt_value_struct; // forward 00026 00031 class rpt_expr_struct: 00032 public rpt_expr 00033 { 00034 public: 00038 virtual ~rpt_expr_struct(); 00039 00040 private: 00045 rpt_expr_struct(); 00046 00047 public: 00052 static rpt_expr::pointer create(); 00053 00059 static rpt_value_struct *symtab_query(); 00060 00061 protected: 00062 // See base class for documentation. 00063 const char *name() const; 00064 00065 // See base class for documentation. 00066 rpt_value::pointer evaluate() const; 00067 00068 private: 00072 rpt_expr_struct(const rpt_expr_struct &); 00073 00077 rpt_expr_struct &operator=(const rpt_expr_struct &); 00078 }; 00079 00080 struct symtab_ty *rpt_expr_struct__symtab_query(void); 00081 00082 #endif // AEGIS_AER_EXPR_STRUCT_H
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