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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Creator documentation.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
**
****************************************************************************/
/*!
\contentspage index.html
\previouspage creator-cpu-usage-analyzer.html
\page creator-cppcheck.html
\nextpage creator-ctf-visualizer.html
\title Analyzing Code with Cppcheck
\l{http://cppcheck.sourceforge.net/}{Cppcheck} is a static analysis tool
that detects errors in C++ code. Static analysis is performed on the source
code without actually executing the application.
The experimental Cppcheck Diagnostics plugin integrates diagnostics
that are generated by the Cppcheck tool into the C++ editor.
Cppcheck is automatically run on open files. To select the files to
check in the currently active project, select \uicontrol Analyze >
\uicontrol Cppcheck.
\section1 Enabling the Cppcheck Plugin
To enable the Cppcheck plugin:
\list 1
\li Select \uicontrol Help > \uicontrol {About Plugins} >
\uicontrol {Code Analyzer} > \uicontrol Cppcheck to enable the
plugin.
\li Select \uicontrol {Restart Now} to restart \QC and load the plugin.
\endlist
\section1 Running Cppcheck on Selected Files
\list 1
\li Select \uicontrol Analyze > \uicontrol Cppcheck.
\image qtcreator-cppcheck-run-configuration.png "Cppcheck run configuration"
\li In the \uicontrol Binary field, enter the path to the Cppcheck
executable file.
\li In the \uicontrol Checks group, select the checks to perform.
\note By default, Cppcheck uses multiple threads to perform checks.
Selecting the \uicontrol {Unused functions} option disables the
default behavior.
\li In the \uicontrol {Custom arguments} field, enter additional
arguments for running Cppcheck. The arguments might be shadowed
by automatically generated ones. To avoid possible conflicts in
configuration, select the \uicontrol {Show raw output} check box
to see the final arguments.
\li In the \uicontrol {Ignored file patterns} field, enter a filter
for ignoring files that match the pattern (wildcard). You can enter
multiple patterns separated by commas. Even though Cppcheck is not
run on files that match the provided patterns, they might be
implicitly checked if other files include them.
\li Select the \uicontrol {Inconclusive errors} check box to also
mark possible false positives.
\li Select the \uicontrol {Check all define combinations} check box to
check all define combinations. Enabling this option can significantly
slow down analysis, but might help to find more issues.
\li Select the \uicontrol {Add include paths} check box to pass the
current project's include paths to Cppcheck. Enabling this option
slows down checks on big projects, but can help Cppcheck to find
missing includes.
\li Select the \uicontrol {Calculate additional arguments} check box to
calculate additional arguments based on current project's settings
(such as the language used and standard version) and pass them to
Cppcheck.
\li Select the files to run Cppcheck on.
\li Select \uicontrol Analyze.
\endlist
\QC runs Cppcheck on the selected files and displays results via text
marks or annotations.
To specify the settings above for the automatically run checks,
select \uicontrol Tools > \uicontrol Options > \uicontrol Analyzer
> \uicontrol Cppcheck.
*/
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