forked from OSchip/llvm-project
187 lines
5.7 KiB
ReStructuredText
187 lines
5.7 KiB
ReStructuredText
====================================================
|
|
Extra Clang Tools 14.0.0 (In-Progress) Release Notes
|
|
====================================================
|
|
|
|
.. contents::
|
|
:local:
|
|
:depth: 3
|
|
|
|
Written by the `LLVM Team <https://llvm.org/>`_
|
|
|
|
.. warning::
|
|
|
|
These are in-progress notes for the upcoming Extra Clang Tools 14 release.
|
|
Release notes for previous releases can be found on
|
|
`the Download Page <https://releases.llvm.org/download.html>`_.
|
|
|
|
Introduction
|
|
============
|
|
|
|
This document contains the release notes for the Extra Clang Tools, part of the
|
|
Clang release 14.0.0. Here we describe the status of the Extra Clang Tools in
|
|
some detail, including major improvements from the previous release and new
|
|
feature work. All LLVM releases may be downloaded from the `LLVM releases web
|
|
site <https://llvm.org/releases/>`_.
|
|
|
|
For more information about Clang or LLVM, including information about
|
|
the latest release, please see the `Clang Web Site <https://clang.llvm.org>`_ or
|
|
the `LLVM Web Site <https://llvm.org>`_.
|
|
|
|
Note that if you are reading this file from a Git checkout or the
|
|
main Clang web page, this document applies to the *next* release, not
|
|
the current one. To see the release notes for a specific release, please
|
|
see the `releases page <https://llvm.org/releases/>`_.
|
|
|
|
What's New in Extra Clang Tools 14.0.0?
|
|
=======================================
|
|
|
|
Some of the major new features and improvements to Extra Clang Tools are listed
|
|
here. Generic improvements to Extra Clang Tools as a whole or to its underlying
|
|
infrastructure are described first, followed by tool-specific sections.
|
|
|
|
Major New Features
|
|
------------------
|
|
|
|
...
|
|
|
|
Improvements to clangd
|
|
----------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to clang-doc
|
|
-------------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to clang-query
|
|
---------------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to clang-rename
|
|
----------------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to clang-tidy
|
|
--------------------------
|
|
|
|
- Added support for globbing in `NOLINT*` expressions, to simplify suppressing
|
|
multiple warnings in the same line.
|
|
|
|
- Added support for `NOLINTBEGIN` ... `NOLINTEND` comments to suppress
|
|
Clang-Tidy warnings over multiple lines.
|
|
|
|
New checks
|
|
^^^^^^^^^^
|
|
|
|
- New :doc:`bugprone-stringview-nullptr
|
|
<clang-tidy/checks/bugprone-stringview-nullptr>` check.
|
|
|
|
Checks for various ways that the ``const CharT*`` constructor of
|
|
``std::basic_string_view`` can be passed a null argument.
|
|
|
|
- New :doc:`abseil-cleanup-ctad
|
|
<clang-tidy/checks/abseil-cleanup-ctad>` check.
|
|
|
|
Suggests switching the initialization pattern of ``absl::Cleanup``
|
|
instances from the factory function to class template argument
|
|
deduction (CTAD), in C++17 and higher.
|
|
|
|
- New :doc:`bugprone-suspicious-memory-comparison
|
|
<clang-tidy/checks/bugprone-suspicious-memory-comparison>` check.
|
|
|
|
Finds potentially incorrect calls to ``memcmp()`` based on properties of the
|
|
arguments.
|
|
|
|
- New :doc:`cppcoreguidelines-virtual-class-destructor
|
|
<clang-tidy/checks/cppcoreguidelines-virtual-class-destructor>` check.
|
|
|
|
Finds virtual classes whose destructor is neither public and virtual nor
|
|
protected and non-virtual.
|
|
|
|
- New :doc:`misc-misleading-identifier <clang-tidy/checks/misc-misleading-identifier>` check.
|
|
|
|
Reports identifier with unicode right-to-left characters.
|
|
|
|
- New :doc:`readability-container-data-pointer
|
|
<clang-tidy/checks/readability-container-data-pointer>` check.
|
|
|
|
Finds cases where code could use ``data()`` rather than the address of the
|
|
element at index 0 in a container.
|
|
|
|
- New :doc:`readability-identifier-length
|
|
<clang-tidy/checks/readability-identifier-length>` check.
|
|
|
|
Reports identifiers whose names are too short. Currently checks local
|
|
variables and function parameters only.
|
|
|
|
|
|
New check aliases
|
|
^^^^^^^^^^^^^^^^^
|
|
|
|
- New alias :doc:`cert-err33-c
|
|
<clang-tidy/checks/cert-err33-c>` to
|
|
:doc:`bugprone-unused-return-value
|
|
<clang-tidy/checks/bugprone-unused-return-value>` was added.
|
|
|
|
- New alias :doc:`cert-exp42-c
|
|
<clang-tidy/checks/cert-exp42-c>` to
|
|
:doc:`bugprone-suspicious-memory-comparison
|
|
<clang-tidy/checks/bugprone-suspicious-memory-comparison>` was added.
|
|
|
|
- New alias :doc:`cert-flp37-c
|
|
<clang-tidy/checks/cert-flp37-c>` to
|
|
:doc:`bugprone-suspicious-memory-comparison
|
|
<clang-tidy/checks/bugprone-suspicious-memory-comparison>` was added.
|
|
|
|
Changes in existing checks
|
|
^^^^^^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
- Removed default setting ``cppcoreguidelines-explicit-virtual-functions.IgnoreDestructors = "true"``,
|
|
to match the current state of the C++ Core Guidelines.
|
|
|
|
- Updated :doc:`google-readability-casting
|
|
<clang-tidy/checks/google-readability-casting>` to diagnose and fix functional
|
|
casts, to achieve feature parity with the corresponding ``cpplint.py`` check.
|
|
|
|
- Fixed a false positive in :doc:`fuchsia-trailing-return
|
|
<clang-tidy/checks/fuchsia-trailing-return>` for C++17 deduction guides.
|
|
|
|
- Fixed a false positive in :doc:`bugprone-throw-keyword-missing
|
|
<clang-tidy/checks/bugprone-throw-keyword-missing>` when creating an exception object
|
|
using placement new
|
|
|
|
- :doc:`cppcoreguidelines-narrowing-conversions <clang-tidy/checks/cppcoreguidelines-narrowing-conversions>`
|
|
check now supports a `WarnOnIntegerToFloatingPointNarrowingConversion`
|
|
option to control whether to warn on narrowing integer to floating-point
|
|
conversions.
|
|
|
|
|
|
Removed checks
|
|
^^^^^^^^^^^^^^
|
|
|
|
Improvements to include-fixer
|
|
-----------------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to clang-include-fixer
|
|
-----------------------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to modularize
|
|
--------------------------
|
|
|
|
The improvements are...
|
|
|
|
Improvements to pp-trace
|
|
------------------------
|
|
|
|
The improvements are...
|
|
|
|
Clang-tidy Visual Studio plugin
|
|
-------------------------------
|