1 /* Language-independent APIs to enable/disable per-location warnings.
3 Copyright (C) 2021-2022 Free Software Foundation, Inc.
4 Contributed by Martin Sebor <msebor@redhat.com>
6 This file is part of GCC.
8 GCC is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 3, or (at your option) any later
13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 #ifndef DIAGNOSTIC_SPEC_H_INCLUDED
23 #define DIAGNOSTIC_SPEC_H_INCLUDED
27 /* A "bitset" of warning groups. */
34 /* Middle end warnings about invalid accesses. */
36 /* Front end/lexical warnings. */
38 /* Warnings about null pointers. */
40 /* Warnings about uninitialized reads. */
42 /* Warnings about arithmetic overflow. */
44 /* Warnings about dangling pointers. */
46 /* All other unclassified warnings. */
48 /* Warnings about redundant calls. */
49 NW_REDUNDANT = 1 << 7,
50 /* All groups of warnings. */
51 NW_ALL = (NW_ACCESS | NW_LEXICAL | NW_NONNULL
52 | NW_UNINIT | NW_VFLOW | NW_DANGLING | NW_REDUNDANT | NW_OTHER)
55 nowarn_spec_t (): m_bits () { }
57 nowarn_spec_t (opt_code);
59 /* Return the raw bitset. */
60 operator unsigned() const
65 /* Return true if the bitset is clear. */
66 bool operator!() const
71 /* Return the inverse of the bitset. */
72 nowarn_spec_t operator~() const
74 nowarn_spec_t res (*this);
75 res.m_bits &= ~NW_ALL;
79 /* Set *THIS to the bitwise OR of *THIS and RHS. */
80 nowarn_spec_t& operator|= (const nowarn_spec_t &rhs)
86 /* Set *THIS to the bitwise AND of *THIS and RHS. */
87 nowarn_spec_t& operator&= (const nowarn_spec_t &rhs)
93 /* Set *THIS to the bitwise exclusive OR of *THIS and RHS. */
94 nowarn_spec_t& operator^= (const nowarn_spec_t &rhs)
101 /* Bitset of warning groups. */
105 /* Return the bitwise OR of LHS and RHS. */
108 operator| (const nowarn_spec_t &lhs, const nowarn_spec_t &rhs)
110 return nowarn_spec_t (lhs) |= rhs;
113 /* Return the bitwise AND of LHS and RHS. */
116 operator& (const nowarn_spec_t &lhs, const nowarn_spec_t &rhs)
118 return nowarn_spec_t (lhs) &= rhs;
121 /* Return true if LHS is equal RHS. */
124 operator== (const nowarn_spec_t &lhs, const nowarn_spec_t &rhs)
126 return static_cast<unsigned>(lhs) == static_cast<unsigned>(rhs);
129 /* Return true if LHS is not equal RHS. */
132 operator!= (const nowarn_spec_t &lhs, const nowarn_spec_t &rhs)
134 return !(lhs == rhs);
137 typedef hash_map<location_hash, nowarn_spec_t> nowarn_map_t;
139 /* A mapping from a 'location_t' to the warning spec set for it. */
140 extern GTY(()) nowarn_map_t *nowarn_map;
142 #endif // DIAGNOSTIC_SPEC_H_INCLUDED