LineInfo.h

   1 #ifndef __LineInfo_H
   2 #define __LineInfo_H
   3 /*
   4  * Copyright (c) 1999 Stephen Williams (steve@icarus.com)
   5  *
   6  *    This source code is free software; you can redistribute it
   7  *    and/or modify it in source code form under the terms of the GNU
   8  *    General Public License as published by the Free Software
   9  *    Foundation; either version 2 of the License, or (at your option)
  10  *    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, write to the Free Software
  19  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  20  */
  21
  22 # include  "StringHeap.h"
  23 # include  <string>
  24
  25 using namespace std;
  26
  27 /*
  28  * This class holds line information for an internal object.
  29  *
  30  * Note that the file names are C-style strings that are allocated by
  31  * the lexor (which parses the line directives) and are never
  32  * deallocated. We can therefore safely store the pointer and never
  33  * delete the string, even if LineInfo objects are destroyed.
  34  */
  35
  36 class LineInfo {
  37     public:
  38       LineInfo();
  39       ~LineInfo();
  40
  41         // Get a fully formatted file/lineno
  42       string get_fileline() const;
  43         // Set the file/line fro another LineInfo object.
  44       void set_line(const LineInfo&that);
  45
  46         // Access parts of LineInfo data
  47       void set_file(perm_string f);
  48       void set_lineno(unsigned n);
  49
  50       perm_string get_file() const { return file_; }
  51       unsigned  get_lineno() const { return lineno_; }
  52     private:
  53       perm_string file_;
  54       unsigned lineno_;
  55 };
  56
  57 #endif