ss_expression.cc

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00001 /*
00002    The lestes compiler suite
00003    Copyright (C) 2002, 2003, 2004, 2005 Miroslav Tichy
00004    Copyright (C) 2002, 2003, 2004, 2005 Petr Zika
00005    Copyright (C) 2002, 2003, 2004, 2005 Vojtech Hala
00006    Copyright (C) 2002, 2003, 2004, 2005 Jiri Kosina
00007    Copyright (C) 2002, 2003, 2004, 2005 Pavel Sanda
00008    Copyright (C) 2002, 2003, 2004, 2005 Jan Zouhar
00009    Copyright (C) 2002, 2003, 2004, 2005 Rudolf Thomas
00010 
00011    This program is free software; you can redistribute it and/or modify
00012    it under the terms of the GNU General Public License as published by
00013    the Free Software Foundation; version 2 of the License.
00014 
00015    This program is distributed in the hope that it will be useful,
00016    but WITHOUT ANY WARRANTY; without even the implied warranty of
00017    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018    GNU General Public License for more details.
00019 
00020    See the full text of the GNU General Public License version 2, and
00021    the limitations in the file doc/LICENSE.
00022 
00023    By accepting the license the licensee waives any and all claims
00024    against the copyright holder(s) related in whole or in part to the
00025    work, its use, and/or the inability to use it.
00026  
00027  */
00028 /*! \file 
00029 \brief Definition of methods of semantic structures (ss_expression classes).
00030 */
00031 
00032 #include <lestes/lang/cplus/sem/ss_expression.g.hh>
00033 #include <lestes/lang/cplus/sem/ss_expr_binary_op.g.hh>
00034 #include <algorithm>
00035 
00036 using ::std::max;
00037 
00038 package(lestes);
00039 package(lang);
00040 package(cplus);
00041 package(sem);
00042 
00043 
00044 bool ss_expression :: is_lvalue(){
00045         return false;
00046 }
00047 
00048 bool ss_var_ref_abstract :: is_lvalue(){
00049         return true;
00050 }
00051 
00052 /*!
00053   Shall be in ss_expr_binary_op.cc
00054 */
00055 bool ss_assign :: is_lvalue(){
00056         return true;
00057 }
00058 
00059 //FIXME this function shall return result for const expressions
00060 int ss_expression :: get_value(){
00061 return 0;
00062 }
00063 
00064 end_package(sem);
00065 end_package(cplus);
00066 end_package(lang);
00067 end_package(lestes);
00068 

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