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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
SPDX-FileCopyrightText: 2025 Alexander Lohnau <alexander.lohnau@gmx.de>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "AccessSpecifierManager.h"
#include "ClazyContext.h"
#include "ClazyVisitHelper.h"
#include "TypeUtils.h"
#include "Utils.h"
#include "checkbase.h"
#include "checkmanager.h"
#include "clang-tidy/ClangTidyCheck.h"
#include "clang-tidy/ClangTidyModule.h"
#include "clang/AST/ParentMap.h"
#include "clang/AST/RecursiveASTVisitor.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include <utility>
#if LLVM_VERSION_MAJOR < 22
#include "clang-tidy/ClangTidyModuleRegistry.h"
#endif
using namespace clang::ast_matchers;
using namespace clang::tidy;
using namespace clang;
class FullASTVisitor : public RecursiveASTVisitor<FullASTVisitor>
{
public:
explicit FullASTVisitor(ClazyContext *context, ClangTidyCheck &Check, const clazy::VisitHelper::Visitors &visitors)
: m_context(context)
, m_visitors(visitors)
{
}
bool VisitStmt(Stmt *stmt)
{
return clazy::VisitHelper::VisitStmt(stmt, m_context, m_visitors);
}
bool VisitDecl(Decl *decl)
{
return clazy::VisitHelper::VisitDecl(decl, m_context, m_visitors);
}
private:
ClazyContext *const m_context;
const clazy::VisitHelper::Visitors &m_visitors;
};
std::vector<std::string> s_enabledChecks;
class ClazyCheck : public ClangTidyCheck
{
public:
ClazyCheck(StringRef CheckName, ClangTidyContext *Context)
: ClangTidyCheck(CheckName, Context)
, m_shouldRunClazyChecks(s_enabledChecks.empty())
, clangTidyContext(Context)
, clazyContext(nullptr)
{
// so that we later know which check was registered
s_enabledChecks.emplace_back(CheckName);
}
~ClazyCheck() override
{
for (auto &checkPair : m_allChecks) {
delete checkPair.first;
}
m_allChecks.clear();
delete clazyContext;
}
void registerMatchers(ast_matchers::MatchFinder *Finder) override
{
if (!m_shouldRunClazyChecks) {
return;
}
Finder->addMatcher(translationUnitDecl().bind("tu"), this);
const auto checks = CheckManager::instance()->availableChecks(ManualCheckLevel);
for (const auto &availCheck : checks) {
const std::string checkName = "clazy-" + availCheck.name;
if (std::ranges::find(s_enabledChecks, checkName) == s_enabledChecks.end()) {
continue;
}
auto *check = availCheck.factory();
m_visitors.addCheck(availCheck.options, check);
check->registerASTMatchers(*Finder);
m_allChecks.emplace_back(check, availCheck.options);
}
}
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
{
if (!m_shouldRunClazyChecks) {
return;
}
clazyContext->astContext = Result.Context;
FullASTVisitor visitor(clazyContext, *this, m_visitors);
auto translationUnit = const_cast<TranslationUnitDecl *>(Result.Nodes.getNodeAs<TranslationUnitDecl>("tu"));
visitor.TraverseDecl(translationUnit);
}
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) override
{
if (!m_shouldRunClazyChecks) {
return;
}
clazyContext = new ClazyContext(nullptr, PP->getSourceManager(), getLangOpts(), PP->getPreprocessorOpts(), "", "", "", {}, {}, emitDiagnostic, true);
clazyContext->registerPreprocessorCallbacks(*PP);
for (const auto &[check, options] : m_allChecks) {
check->m_context = clazyContext;
if (options & RegisteredCheck::Option_PreprocessorCallbacks) {
check->enablePreProcessorCallbacks(*PP);
}
}
}
const bool m_shouldRunClazyChecks;
ClangTidyContext *clangTidyContext;
ClazyContext *clazyContext = nullptr;
std::vector<std::pair<CheckBase *, RegisteredCheck::Options>> m_allChecks;
clazy::VisitHelper::Visitors m_visitors;
// setting the engine fixes a weird crash, but we still run in a codepath where we do not know the check name in the end
const ClazyContext::WarningReporter emitDiagnostic = //
[this](const std::string &checkName,
const clang::SourceLocation &loc,
clang::DiagnosticIDs::Level level,
std::string error,
const std::vector<clang::FixItHint> &fixits) {
clangTidyContext->diag("clazy-" + checkName, loc, error, level) << fixits;
};
};
class ClazyModule : public ClangTidyModule
{
public:
void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override
{
for (const auto &check : CheckManager::instance()->availableChecks(CheckLevel::ManualCheckLevel)) {
CheckFactories.registerCheck<ClazyCheck>("clazy-" + check.name);
}
}
};
namespace clang::tidy
{
static ClangTidyModuleRegistry::Add<ClazyModule> X("clazy-module", "Adds all Clazy checks to clang-tidy.");
volatile int ClazyModuleAnchorSource = 0;
}
|
