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
121
122
123
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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/.
*/
#ifndef LO_CLANG_SHARED_PLUGINS
#include <string>
#include <iostream>
#include <map>
#include <set>
#include "plugin.hxx"
#include "clang/AST/CXXInheritance.h"
/**
* Check for multiple copies of WeakBase in base classes
*/
namespace
{
class WeakBase : public loplugin::FilteringPlugin<WeakBase>
{
public:
explicit WeakBase(loplugin::InstantiationData const& data)
: FilteringPlugin(data)
{
}
bool preRun() override { return compiler.getLangOpts().CPlusPlus; }
void run() override
{
if (preRun())
{
TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
}
}
bool VisitCXXRecordDecl(CXXRecordDecl const*);
};
bool WeakBase::VisitCXXRecordDecl(CXXRecordDecl const* recordDecl)
{
if (ignoreLocation(recordDecl))
{
return true;
}
// StringRef aFileName = getFilenameOfLocation(
// compiler.getSourceManager().getSpellingLoc(fieldDecl->getBeginLoc()));
// if (loplugin::hasPathnamePrefix(aFileName, SRCDIR "/chart2/source/"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/include/sfx2/recentdocsview.hxx"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/include/sfx2/templatelocalview.hxx"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/store/source/stortree.hxx")
// || loplugin::isSamePathname(aFileName, SRCDIR "/store/source/stordata.hxx"))
// return true;
// if (loplugin::isSamePathname(aFileName, SRCDIR "/sw/source/uibase/inc/dbtree.hxx"))
// return true;
recordDecl = recordDecl->getCanonicalDecl();
if (!recordDecl->hasDefinition())
return true;
int noWeakBases = 0;
std::string basePaths;
auto BaseMatchesCallback = [&](const CXXBaseSpecifier* cxxBaseSpecifier, CXXBasePath& Paths) {
if (!cxxBaseSpecifier->getType().getTypePtr())
return false;
const CXXRecordDecl* baseCXXRecordDecl = cxxBaseSpecifier->getType()->getAsCXXRecordDecl();
if (!baseCXXRecordDecl)
return false;
if (baseCXXRecordDecl->isInvalidDecl())
return false;
if (baseCXXRecordDecl->getName() != "WeakBase")
return false;
++noWeakBases;
std::string sPath;
for (CXXBasePathElement const& pathElement : Paths)
{
if (!sPath.empty())
{
sPath += "->";
}
if (pathElement.Class->hasDefinition())
sPath += pathElement.Class->getNameAsString();
else
sPath += "???";
}
sPath += "->";
sPath += baseCXXRecordDecl->getNameAsString();
if (!basePaths.empty())
basePaths += ", ";
basePaths += sPath;
return false;
};
CXXBasePaths aPaths;
recordDecl->lookupInBases(BaseMatchesCallback, aPaths);
if (noWeakBases > 1)
{
report(DiagnosticsEngine::Warning,
"multiple copies of WeakBase, through inheritance paths %0",
recordDecl->getBeginLoc())
<< basePaths << recordDecl->getSourceRange();
}
return true;
}
loplugin::Plugin::Registration<WeakBase> weakbase("weakbase");
} // namespace
#endif // LO_CLANG_SHARED_PLUGINS
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
