Aegis  4.25.D505
libaegis/aer/expr/struct.h
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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