LCOV - code coverage report
Current view: top level - gcc - tristate.h (source / functions) Coverage Total Hit
Test: gcc.info Lines: 100.0 % 18 18
Test Date: 2024-04-20 14:03:02 Functions: - 0 0
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /* "True" vs "False" vs "Unknown".
       2                 :             :    Copyright (C) 2019-2024 Free Software Foundation, Inc.
       3                 :             :    Contributed by David Malcolm <dmalcolm@redhat.com>.
       4                 :             : 
       5                 :             : This file is part of GCC.
       6                 :             : 
       7                 :             : GCC is free software; you can redistribute it and/or modify it
       8                 :             : under the terms of the GNU General Public License as published by
       9                 :             : the Free Software Foundation; either version 3, or (at your option)
      10                 :             : any later version.
      11                 :             : 
      12                 :             : GCC is distributed in the hope that it will be useful, but
      13                 :             : WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15                 :             : General Public License for more details.
      16                 :             : 
      17                 :             : You should have received a copy of the GNU General Public License
      18                 :             : along with GCC; see the file COPYING3.  If not see
      19                 :             : <http://www.gnu.org/licenses/>.  */
      20                 :             : 
      21                 :             : #ifndef GCC_TRISTATE_H
      22                 :             : #define GCC_TRISTATE_H
      23                 :             : 
      24                 :             : /* "True" vs "False" vs "Unknown".  */
      25                 :             : 
      26                 :             : class tristate {
      27                 :             :  public:
      28                 :             :   enum value {
      29                 :             :     TS_UNKNOWN,
      30                 :             :     TS_TRUE,
      31                 :             :     TS_FALSE
      32                 :             :   };
      33                 :             : 
      34                 :     2583794 :   tristate (enum value val) : m_value (val) {}
      35                 :       12230 :   tristate (bool val) : m_value (val ? TS_TRUE : TS_FALSE) {}
      36                 :       40084 :   static tristate unknown () { return tristate (TS_UNKNOWN); }
      37                 :             : 
      38                 :             :   const char *as_string () const;
      39                 :             : 
      40                 :      905373 :   bool is_known () const { return m_value != TS_UNKNOWN; }
      41                 :       29323 :   bool is_unknown () const { return m_value == TS_UNKNOWN; }
      42                 :      631281 :   bool is_true () const { return m_value == TS_TRUE; }
      43                 :      285792 :   bool is_false () const { return m_value == TS_FALSE; }
      44                 :             : 
      45                 :             :   tristate not_ () const;
      46                 :             :   tristate or_ (tristate other) const;
      47                 :             :   tristate and_ (tristate other) const;
      48                 :             : 
      49                 :        3320 :   bool operator== (const tristate &other) const
      50                 :             :   {
      51                 :        3320 :     return m_value == other.m_value;
      52                 :             :   }
      53                 :             : 
      54                 :          12 :   bool operator!= (const tristate &other) const
      55                 :             :   {
      56                 :          12 :     return m_value != other.m_value;
      57                 :             :   }
      58                 :             : 
      59                 :      681480 :   enum value get_value () const { return m_value; }
      60                 :             : 
      61                 :             :  private:
      62                 :             :   enum value m_value;
      63                 :             : };
      64                 :             : 
      65                 :             : /* Overloaded boolean operators on tristates.  */
      66                 :             : 
      67                 :             : inline tristate
      68                 :          12 : operator ! (tristate t)
      69                 :             : {
      70                 :          12 :   return t.not_ ();
      71                 :             : }
      72                 :             : 
      73                 :             : inline tristate
      74                 :          36 : operator || (tristate a, tristate b)
      75                 :             : {
      76                 :          36 :   return a.or_ (b);
      77                 :             : }
      78                 :             : 
      79                 :             : inline tristate
      80                 :        3908 : operator && (tristate a, tristate b)
      81                 :             : {
      82                 :        3908 :   return a.and_ (b);
      83                 :             : }
      84                 :             : 
      85                 :             : #endif /* GCC_TRISTATE_H */
        

Generated by: LCOV version 2.1-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.