00001 /* A Bison parser, made by GNU Bison 2.3. */ 00002 00003 /* Locations for Bison parsers in C++ 00004 00005 Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. 00006 00007 This program is free software; you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation; either version 2, or (at your option) 00010 any later version. 00011 00012 This program is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with this program; if not, write to the Free Software 00019 Foundation, Inc., 51 Franklin Street, Fifth Floor, 00020 Boston, MA 02110-1301, USA. */ 00021 00022 /* As a special exception, you may create a larger work that contains 00023 part or all of the Bison parser skeleton and distribute that work 00024 under terms of your choice, so long as that work isn't itself a 00025 parser generator using the skeleton or a modified version thereof 00026 as a parser skeleton. Alternatively, if you modify or redistribute 00027 the parser skeleton itself, you may (at your option) remove this 00028 special exception, which will cause the skeleton and the resulting 00029 Bison output files to be licensed under the GNU General Public 00030 License without this special exception. 00031 00032 This special exception was added by the Free Software Foundation in 00033 version 2.2 of Bison. */ 00034 00040 #ifndef BISON_LOCATION_HH 00041 # define BISON_LOCATION_HH 00042 00043 # include <iostream> 00044 # include <string> 00045 # include "position.hh" 00046 00047 namespace example { 00048 00050 class location 00051 { 00052 public: 00053 00055 location () 00056 : begin (), end () 00057 { 00058 } 00059 00061 inline void initialize (std::string* fn) 00062 { 00063 begin.initialize (fn); 00064 end = begin; 00065 } 00066 00069 public: 00071 inline void step () 00072 { 00073 begin = end; 00074 } 00075 00077 inline void columns (unsigned int count = 1) 00078 { 00079 end += count; 00080 } 00081 00083 inline void lines (unsigned int count = 1) 00084 { 00085 end.lines (count); 00086 } 00090 public: 00092 position begin; 00094 position end; 00095 }; 00096 00098 inline const location operator+ (const location& begin, const location& end) 00099 { 00100 location res = begin; 00101 res.end = end.end; 00102 return res; 00103 } 00104 00106 inline const location operator+ (const location& begin, unsigned int width) 00107 { 00108 location res = begin; 00109 res.columns (width); 00110 return res; 00111 } 00112 00114 inline location& operator+= (location& res, unsigned int width) 00115 { 00116 res.columns (width); 00117 return res; 00118 } 00119 00126 inline std::ostream& operator<< (std::ostream& ostr, const location& loc) 00127 { 00128 position last = loc.end - 1; 00129 ostr << loc.begin; 00130 if (last.filename 00131 && (!loc.begin.filename 00132 || *loc.begin.filename != *last.filename)) 00133 ostr << '-' << last; 00134 else if (loc.begin.line != last.line) 00135 ostr << '-' << last.line << '.' << last.column; 00136 else if (loc.begin.column != last.column) 00137 ostr << '-' << last.column; 00138 return ostr; 00139 } 00140 00141 } 00142 00143 #endif // not BISON_LOCATION_HH
1.5.5