1 /* A Bison parser, made by GNU Bison 2.6.90.8-d4fe. */ 2 3 /* Locations for Bison parsers in C++ 4 5 Copyright (C) 2002-2007, 2009-2012 Free Software Foundation, Inc. 6 7 This program is free software: you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation, either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 /* As a special exception, you may create a larger work that contains 21 part or all of the Bison parser skeleton and distribute that work 22 under terms of your choice, so long as that work isn't itself a 23 parser generator using the skeleton or a modified version thereof 24 as a parser skeleton. Alternatively, if you modify or redistribute 25 the parser skeleton itself, you may (at your option) remove this 26 special exception, which will cause the skeleton and the resulting 27 Bison output files to be licensed under the GNU General Public 28 License without this special exception. 29 30 This special exception was added by the Free Software Foundation in 31 version 2.2 of Bison. */ 32 33 /** 34 ** \file ../../../../examples/calc++/location.hh 35 ** Define the yy::location class. 36 */ 37 38 #ifndef YY_YY_EXAMPLES_CALC_LOCATION_HH_INCLUDED 39 # define YY_YY_EXAMPLES_CALC_LOCATION_HH_INCLUDED 40 41 # include "position.hh" 42 43 44 namespace yy { 45 /* Line 166 of location.cc */ 46 #line 47 "../../../../examples/calc++/location.hh" 47 48 /// Abstract a location. 49 class location 50 { 51 public: 52 53 /// Construct a location from \a b to \a e. 54 location (const position& b, const position& e) 55 : begin (b) 56 , end (e) 57 { 58 } 59 60 /// Construct a 0-width location in \a p. 61 explicit location (const position& p = position ()) 62 : begin (p) 63 , end (p) 64 { 65 } 66 67 /// Construct a 0-width location in \a f, \a l, \a c. 68 explicit location (std::string* f, 69 unsigned int l = 1u, 70 unsigned int c = 1u) 71 : begin (f, l, c) 72 , end (f, l, c) 73 { 74 } 75 76 77 /// Initialization. 78 void initialize (std::string* f = YY_NULL, 79 unsigned int l = 1u, 80 unsigned int c = 1u) 81 { 82 begin.initialize (f, l, c); 83 end = begin; 84 } 85 86 /** \name Line and Column related manipulators 87 ** \{ */ 88 public: 89 /// Reset initial location to final location. 90 void step () 91 { 92 begin = end; 93 } 94 95 /// Extend the current location to the COUNT next columns. 96 void columns (unsigned int count = 1) 97 { 98 end += count; 99 } 100 101 /// Extend the current location to the COUNT next lines. 102 void lines (unsigned int count = 1) 103 { 104 end.lines (count); 105 } 106 /** \} */ 107 108 109 public: 110 /// Beginning of the located region. 111 position begin; 112 /// End of the located region. 113 position end; 114 }; 115 116 /// Join two location objects to create a location. 117 inline const location operator+ (const location& begin, const location& end) 118 { 119 location res = begin; 120 res.end = end.end; 121 return res; 122 } 123 124 /// Add two location objects. 125 inline const location operator+ (const location& begin, unsigned int width) 126 { 127 location res = begin; 128 res.columns (width); 129 return res; 130 } 131 132 /// Add and assign a location. 133 inline location& operator+= (location& res, unsigned int width) 134 { 135 res.columns (width); 136 return res; 137 } 138 139 /// Compare two location objects. 140 inline bool 141 operator== (const location& loc1, const location& loc2) 142 { 143 return loc1.begin == loc2.begin && loc1.end == loc2.end; 144 } 145 146 /// Compare two location objects. 147 inline bool 148 operator!= (const location& loc1, const location& loc2) 149 { 150 return !(loc1 == loc2); 151 } 152 153 /** \brief Intercept output stream redirection. 154 ** \param ostr the destination output stream 155 ** \param loc a reference to the location to redirect 156 ** 157 ** Avoid duplicate information. 158 */ 159 template <typename YYChar> 160 inline std::basic_ostream<YYChar>& 161 operator<< (std::basic_ostream<YYChar>& ostr, const location& loc) 162 { 163 position last = loc.end - 1; 164 ostr << loc.begin; 165 if (last.filename 166 && (!loc.begin.filename 167 || *loc.begin.filename != *last.filename)) 168 ostr << '-' << last; 169 else if (loc.begin.line != last.line) 170 ostr << '-' << last.line << '.' << last.column; 171 else if (loc.begin.column != last.column) 172 ostr << '-' << last.column; 173 return ostr; 174 } 175 176 177 } // yy 178 /* Line 296 of location.cc */ 179 #line 180 "../../../../examples/calc++/location.hh" 180 181 #endif /* !YY_YY_EXAMPLES_CALC_LOCATION_HH_INCLUDED */ 182
