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coord.h
Go to the documentation of this file.00001 // $Id: coord.h,v 1.5 2003/08/07 23:13:02 pnav Exp $ 00002 // ---------------------------------------------------------------------- 00003 // 00004 // C-Breeze 00005 // C Compiler Framework 00006 // 00007 // Copyright (c) 2000 University of Texas at Austin 00008 // 00009 // Samuel Z. Guyer 00010 // Daniel A. Jimenez 00011 // Calvin Lin 00012 // 00013 // Permission is hereby granted, free of charge, to any person 00014 // obtaining a copy of this software and associated documentation 00015 // files (the "Software"), to deal in the Software without 00016 // restriction, including without limitation the rights to use, copy, 00017 // modify, merge, publish, distribute, sublicense, and/or sell copies 00018 // of the Software, and to permit persons to whom the Software is 00019 // furnished to do so, subject to the following conditions: 00020 // 00021 // The above copyright notice and this permission notice shall be 00022 // included in all copies or substantial portions of the Software. 00023 // 00024 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00025 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00026 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00027 // NONINFRINGEMENT. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT 00028 // AUSTIN BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 00029 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 00030 // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00031 // THE SOFTWARE. 00032 // 00033 // We acknowledge the C-to-C Translator from MIT Laboratory for 00034 // Computer Science for inspiring parts of the C-Breeze design. 00035 // 00036 // ---------------------------------------------------------------------- 00037 00038 #ifndef CBZ_COORD_H 00039 #define CBZ_COORD_H 00040 00041 00042 00043 // simpleCoord is used only during parsing because the %union in yacc 00044 // cannot contain a type that requires a constructor. 00045 00046 typedef struct { 00047 int _line; 00048 short int _offset; 00049 } simpleCoord; 00050 00051 simpleCoord get_pos(); 00052 00053 // ------------------------------------------------------------ 00054 // Coord 00055 // ------------------------------------------------------------ 00056 00057 class Coord { 00058 00059 private: 00060 int _line; 00061 short int _offset; 00062 short int _file; 00063 00064 public: 00065 // --- Global coordinate for "unknown location" in the source... 00066 00067 static Coord Unknown; 00068 00069 // --- Constructor 00070 00071 Coord(int line, short int offset, short int file) 00072 : _line(line), 00073 _offset(offset), 00074 _file(file) 00075 {} 00076 00077 Coord(simpleCoord s); 00078 00079 inline int line() const { return _line; } 00080 inline void line(int line) { _line = line; } 00081 00082 inline short int offset() const { return _offset; } 00083 inline void offset(short int offset) { _offset = offset; } 00084 00085 inline short int file() const { return _file; } 00086 inline void file(short int file) { _file = file; } 00087 00088 string & filename(); 00089 00090 void get(); 00091 00092 inline bool is_unknown() const { return (_file == -1); } 00093 00094 friend ostream& operator << (ostream & , const Coord &); 00095 00096 string to_string(); 00097 }; 00098 00099 00100 00101 #endif // CBZ_COORD_H