hphp/hhbbc/src-loc.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-present Facebook, Inc. (http://www.facebook.com)  |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16 #ifndef incl_HHBBC_SRC_LOC_H_
  17 #define incl_HHBBC_SRC_LOC_H_
  18
  19 #include <cstdint>
  20 #include <tuple>
  21
  22 namespace HPHP { namespace HHBBC {
  23
  24 //////////////////////////////////////////////////////////////////////
  25
  26 namespace php {
  27
  28 using LineNumber = uint32_t;
  29 using ColNumber  = uint32_t;
  30 using LineRange  = std::tuple<LineNumber,LineNumber>;
  31
  32 struct SrcPos {
  33   bool operator==(SrcPos o) const {
  34     return line == o.line && col == o.col;
  35   }
  36   bool operator!=(SrcPos o) const { return !(*this == o); }
  37
  38   LineNumber line;
  39   ColNumber col;
  40 };
  41
  42 struct SrcLoc {
  43   SrcLoc()
  44     : start{0,0}
  45     , past{0,0}
  46   {}
  47
  48   SrcLoc(SrcPos start, SrcPos past)
  49     : start(start)
  50     , past(past)
  51   {}
  52
  53   bool isValid() const { return past != SrcPos{0,0}; }
  54
  55   bool operator==(SrcLoc o) const {
  56     return start == o.start && past == o.past;
  57   }
  58
  59   bool operator!=(SrcLoc o) const { return !(*this == o); }
  60
  61   SrcPos start;
  62   SrcPos past;
  63 };
  64
  65 std::string show(SrcLoc);
  66
  67 }
  68
  69 //////////////////////////////////////////////////////////////////////
  70
  71 }}
  72
  73 #endif