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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