clang-tools
15.0.0git
llvm-project
clang-tools-extra
clang-tidy
misc
ThrowByValueCatchByReferenceCheck.h
Go to the documentation of this file.
1
//===--- ThrowByValueCatchByReferenceCheck.h - clang-tidy--------*- C++ -*-===//
2
//
3
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4
// See https://llvm.org/LICENSE.txt for license information.
5
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6
//
7
//===----------------------------------------------------------------------===//
8
9
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_THROW_BY_VALUE_CATCH_BY_REFERENCE_H
10
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_THROW_BY_VALUE_CATCH_BY_REFERENCE_H
11
12
#include "../ClangTidyCheck.h"
13
14
namespace
clang
{
15
namespace
tidy {
16
namespace
misc {
17
18
///checks for locations that do not throw by value
19
// or catch by reference.
20
// The check is C++ only. It checks that all throw locations
21
// throw by value and not by pointer. Additionally it
22
// contains an option ("CheckThrowTemporaries", default value "true") that
23
// checks that thrown objects are anonymous temporaries. It is also
24
// acceptable for this check to throw string literals.
25
// This test checks that exceptions are caught by reference
26
// and not by value or pointer. It will not warn when catching
27
// pointer to char, wchar_t, char16_t or char32_t. This is
28
// due to not warning on throwing string literals.
29
class
ThrowByValueCatchByReferenceCheck
:
public
ClangTidyCheck
{
30
public
:
31
ThrowByValueCatchByReferenceCheck
(StringRef
Name
,
ClangTidyContext
*Context);
32
bool
isLanguageVersionSupported
(
const
LangOptions &
LangOpts
)
const override
{
33
return
LangOpts
.CPlusPlus;
34
}
35
void
storeOptions
(
ClangTidyOptions::OptionMap
&Opts)
override
;
36
void
registerMatchers
(ast_matchers::MatchFinder *Finder)
override
;
37
void
check
(
const
ast_matchers::MatchFinder::MatchResult &Result)
override
;
38
39
private
:
40
void
diagnoseThrowLocations(
const
CXXThrowExpr *ThrowExpr);
41
void
diagnoseCatchLocations(
const
CXXCatchStmt *CatchStmt,
42
ASTContext &Context);
43
bool
isFunctionParameter(
const
DeclRefExpr *DeclRefExpr);
44
bool
isCatchVariable(
const
DeclRefExpr *DeclRefExpr);
45
bool
isFunctionOrCatchVar(
const
DeclRefExpr *DeclRefExpr);
46
const
bool
CheckAnonymousTemporaries;
47
const
bool
WarnOnLargeObject;
48
const
uint64_t MaxSizeOptions;
// The raw value read from the options.
49
uint64_t MaxSize;
// No `const` because we have to set it in two steps.
50
};
51
52
}
// namespace misc
53
}
// namespace tidy
54
}
// namespace clang
55
56
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_THROW_BY_VALUE_CATCH_BY_REFERENCE_H
clang::tidy::ClangTidyOptions::OptionMap
llvm::StringMap< ClangTidyValue > OptionMap
Definition:
ClangTidyOptions.h:115
clang::tidy::misc::ThrowByValueCatchByReferenceCheck::check
void check(const ast_matchers::MatchFinder::MatchResult &Result) override
ClangTidyChecks that register ASTMatchers should do the actual work in here.
Definition:
ThrowByValueCatchByReferenceCheck.cpp:42
clang::tidy::ClangTidyCheck
Base class for all clang-tidy checks.
Definition:
ClangTidyCheck.h:53
clang::tidy::misc::ThrowByValueCatchByReferenceCheck::ThrowByValueCatchByReferenceCheck
ThrowByValueCatchByReferenceCheck(StringRef Name, ClangTidyContext *Context)
Definition:
ThrowByValueCatchByReferenceCheck.cpp:20
clang::tidy::misc::ThrowByValueCatchByReferenceCheck::isLanguageVersionSupported
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override
Override this to disable registering matchers and PP callbacks if an invalid language version is bein...
Definition:
ThrowByValueCatchByReferenceCheck.h:32
clang::tidy::ClangTidyContext
Every ClangTidyCheck reports errors through a DiagnosticsEngine provided by this context.
Definition:
ClangTidyDiagnosticConsumer.h:66
Name
Token Name
Definition:
MacroToEnumCheck.cpp:89
clang
===– Representation.cpp - ClangDoc Representation --------—*- C++ -*-===//
Definition:
ApplyReplacements.h:27
clang::tidy::misc::ThrowByValueCatchByReferenceCheck::registerMatchers
void registerMatchers(ast_matchers::MatchFinder *Finder) override
Override this to register AST matchers with Finder.
Definition:
ThrowByValueCatchByReferenceCheck.cpp:30
LangOpts
const LangOptions * LangOpts
Definition:
ExtractFunction.cpp:366
clang::tidy::misc::ThrowByValueCatchByReferenceCheck
checks for locations that do not throw by value
Definition:
ThrowByValueCatchByReferenceCheck.h:29
clang::tidy::misc::ThrowByValueCatchByReferenceCheck::storeOptions
void storeOptions(ClangTidyOptions::OptionMap &Opts) override
Should store all options supported by this check with their current values or default values for opti...
Definition:
ThrowByValueCatchByReferenceCheck.cpp:35
Generated on Tue May 17 2022 03:42:06 for clang-tools by
1.8.17