1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <cassert>
#include <memory>
#include "plugin.hxx"
namespace {
class OslEndian: public loplugin::Plugin, public PPCallbacks {
public:
explicit OslEndian(loplugin::InstantiationData const & data): Plugin(data) {
compiler.getPreprocessor().addPPCallbacks(std::unique_ptr<PPCallbacks>(this));
}
enum { isPPCallback = true };
private:
void run() override {}
void MacroDefined(Token const & MacroNameTok, MacroDirective const *)
override
{
auto id = MacroNameTok.getIdentifierInfo()->getName();
if (id == "OSL_BIGENDIAN") {
if (definedLit_.isValid()) {
report(
DiagnosticsEngine::Warning,
"macro %0 defined in addition to 'OSL_LITENDIAN'",
MacroNameTok.getLocation())
<< MacroNameTok.getIdentifierInfo();
report(
DiagnosticsEngine::Note,
"conflicting macro definition is here", definedLit_);
}
definedBig_ = MacroNameTok.getLocation();
assert(definedBig_.isValid());
} else if (id == "OSL_LITENDIAN") {
if (definedBig_.isValid()) {
report(
DiagnosticsEngine::Warning,
"macro %0 defined in addition to 'OSL_BIGENDIAN'",
MacroNameTok.getLocation())
<< MacroNameTok.getIdentifierInfo();
report(
DiagnosticsEngine::Note,
"conflicting macro definition is here", definedBig_);
}
definedLit_ = MacroNameTok.getLocation();
assert(definedLit_.isValid());
}
}
void MacroUndefined(
Token const & MacroNameTok, MacroDefinition const &
#if CLANG_VERSION >= 50000
, MacroDirective const *
#endif
) override
{
auto id = MacroNameTok.getIdentifierInfo()->getName();
if (id == "OSL_BIGENDIAN" || id == "OSL_LITENDIAN") {
report(
DiagnosticsEngine::Warning, "macro %0 undefinition",
MacroNameTok.getLocation())
<< MacroNameTok.getIdentifierInfo();
}
}
void Defined(
Token const & MacroNameTok, MacroDefinition const &, SourceRange)
override
{
check(MacroNameTok);
}
void Ifdef(
SourceLocation, Token const & MacroNameTok,
MacroDefinition const &) override
{
check(MacroNameTok);
}
void Ifndef(
SourceLocation, Token const & MacroNameTok,
MacroDefinition const &) override
{
check(MacroNameTok);
}
void check(Token const & macro) const {
auto id = macro.getIdentifierInfo()->getName();
if ((id == "OSL_BIGENDIAN" || id == "OSL_LITENDIAN")
&& definedBig_.isInvalid() && definedLit_.isInvalid())
{
report(
DiagnosticsEngine::Warning,
"definition of macro %0 checked but 'osl/endian.h' is not"
" included",
macro.getLocation())
<< macro.getIdentifierInfo();
}
}
SourceLocation definedBig_;
SourceLocation definedLit_;
};
loplugin::Plugin::Registration<OslEndian> X("oslendian");
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
|
