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| author | Indrajith K L | 2022-12-03 17:00:20 +0530 |
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| committer | Indrajith K L | 2022-12-03 17:00:20 +0530 |
| commit | f5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch) | |
| tree | 2764fc62da58f2ba8da7ed341643fc359873142f /ctags/docs/tips.html | |
| download | cli-tools-windows-master.tar.gz cli-tools-windows-master.tar.bz2 cli-tools-windows-master.zip | |
Diffstat (limited to 'ctags/docs/tips.html')
| -rw-r--r-- | ctags/docs/tips.html | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/ctags/docs/tips.html b/ctags/docs/tips.html new file mode 100644 index 0000000..f394313 --- /dev/null +++ b/ctags/docs/tips.html @@ -0,0 +1,247 @@ + +<!DOCTYPE html> + +<html> + <head> + <meta charset="utf-8" /> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="generator" content="Docutils 0.17.1: http://docutils.sourceforge.net/" /> + + <title>Testing ctags — Universal Ctags 0.3.0 documentation</title> + <link rel="stylesheet" type="text/css" href="_static/pygments.css" /> + <link rel="stylesheet" type="text/css" href="_static/classic.css" /> + + <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script> + <script src="_static/jquery.js"></script> + <script src="_static/underscore.js"></script> + <script src="_static/doctools.js"></script> + + <link rel="index" title="Index" href="genindex.html" /> + <link rel="search" title="Search" href="search.html" /> + <link rel="next" title="Testing a parser" href="testing.html" /> + <link rel="prev" title="Input text stream" href="internal.html" /> + </head><body> + <div class="related" role="navigation" aria-label="related navigation"> + <h3>Navigation</h3> + <ul> + <li class="right" style="margin-right: 10px"> + <a href="genindex.html" title="General Index" + accesskey="I">index</a></li> + <li class="right" > + <a href="testing.html" title="Testing a parser" + accesskey="N">next</a> |</li> + <li class="right" > + <a href="internal.html" title="Input text stream" + accesskey="P">previous</a> |</li> + <li class="nav-item nav-item-0"><a href="index.html">Universal Ctags 0.3.0 documentation</a> »</li> + <li class="nav-item nav-item-this"><a href="">Testing ctags</a></li> + </ul> + </div> + + <div class="document"> + <div class="documentwrapper"> + <div class="bodywrapper"> + <div class="body" role="main"> + + <section id="testing-ctags"> +<span id="id1"></span><h1>Testing ctags<a class="headerlink" href="#testing-ctags" title="Permalink to this headline">¶</a></h1> +<div class="contents local topic" id="table-of-contents"> +<p class="topic-title"><cite>Table of contents</cite></p> +<ul class="simple"> +<li><p><a class="reference internal" href="#tmain-a-facility-for-testing-main-part" id="id3"><em>Tmain</em>: a facility for testing main part</a></p></li> +<li><p><a class="reference internal" href="#tinst-installation-test" id="id4"><em>Tinst</em>: installation test</a></p></li> +<li><p><a class="reference internal" href="#fussy-syntax-checking" id="id5">Fussy syntax checking</a></p></li> +<li><p><a class="reference internal" href="#finding-performance-bottleneck" id="id6">Finding performance bottleneck</a></p></li> +<li><p><a class="reference internal" href="#checking-coverage" id="id7">Checking coverage</a></p></li> +<li><p><a class="reference internal" href="#running-cppcheck" id="id8">Running cppcheck</a></p></li> +</ul> +</div> +<section id="tmain-a-facility-for-testing-main-part"> +<h2><a class="toc-backref" href="#id3"><em>Tmain</em>: a facility for testing main part</a><a class="headerlink" href="#tmain-a-facility-for-testing-main-part" title="Permalink to this headline">¶</a></h2> +<dl class="field-list simple"> +<dt class="field-odd">Maintainer</dt> +<dd class="field-odd"><p>Masatake YAMATO <<a class="reference external" href="mailto:yamato%40redhat.com">yamato<span>@</span>redhat<span>.</span>com</a>></p> +</dd> +</dl> +<hr class="docutils" /> +<p><em>Tmain</em> is introduced to test the area where <em>Units</em> +does not cover well.</p> +<p><em>Units</em> works fine for testing parsers. However, it +assumes something input is given to ctags command, +and a <cite>tags</cite> file is generated from ctags command.</p> +<p>Other aspects cannot be tested. Such areas are files +and directories layout after installation, standard +error output, exit status, etc.</p> +<p>You can run test cases with following command line:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ make tmain +</pre></div> +</div> +<p><em>Tmain</em> is still under development so I will not write +the details here.</p> +<p>To write a test case, see files under <cite>Tmain/tmain-example.d</cite>. +In the example, <em>Tmain</em> does:</p> +<ol class="arabic simple"> +<li><p>runs new subshell and change the working directory to <cite>Tmain/tmain-example.d</cite>,</p></li> +<li><p>runs <cite>run.sh</cite> with <cite>bash</cite>,</p></li> +<li><p>captures stdout, stderr and exit status, and</p></li> +<li><p>compares them with <cite>stdout-expected.txt</cite>, <cite>stderr-expected.txt</cite>, +and <cite>exit-expected.txt</cite>.</p></li> +<li><p>compares it with <cite>tags-expected.txt</cite> if run.sh generates <cite>tags</cite> file.</p></li> +</ol> +<p><cite>run.sh</cite> is run with following 3 arguments:</p> +<ol class="arabic simple"> +<li><p>the path for the target ctags</p></li> +<li><p>the path for <cite>builddir</cite> directory</p></li> +<li><p>the path for the target readtags</p></li> +</ol> +<p>The path for readtags is not reliable; readtags command is not +available if --disable-readcmd was given in configure time. A case, +testing the behavior of readtags, must verify the command existence +with <cite>test -x $3</cite> before going into the main part of the test.</p> +<p>When comparing <cite>tags</cite> file with <cite>tags-expected.txt</cite>, you +must specify the path of <cite>tags</cite> explicitly with -o option +in ctags command line like:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>CTAGS=$1 +BUILDDIR=$2 +${CTAGS} ... -o $BUILDDIR/tags ... +</pre></div> +</div> +<p>This makes it possible to keep the original source directory clean.</p> +<p>See also <cite>tmain_run</cite> and <cite>tmain_compare</cite> functions in <cite>misc/units</cite>.</p> +<p>If run.sh exits with code 77, the test case is skipped. +The output to stdout is captured and printed as the reason +of skipping.</p> +<section id="todo"> +<h3>TODO<a class="headerlink" href="#todo" title="Permalink to this headline">¶</a></h3> +<ul class="simple"> +<li><p>Run under valgrind</p></li> +</ul> +</section> +</section> +<section id="tinst-installation-test"> +<h2><a class="toc-backref" href="#id4"><em>Tinst</em>: installation test</a><a class="headerlink" href="#tinst-installation-test" title="Permalink to this headline">¶</a></h2> +<dl class="field-list simple"> +<dt class="field-odd">Maintainer</dt> +<dd class="field-odd"><p>Masatake YAMATO <<a class="reference external" href="mailto:yamato%40redhat.com">yamato<span>@</span>redhat<span>.</span>com</a>></p> +</dd> +</dl> +<hr class="docutils" /> +<p>tinst target is for testing the result of <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">install</span></code>.</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ make tinst +</pre></div> +</div> +</section> +<section id="fussy-syntax-checking"> +<h2><a class="toc-backref" href="#id5">Fussy syntax checking</a><a class="headerlink" href="#fussy-syntax-checking" title="Permalink to this headline">¶</a></h2> +<p>If <code class="docutils literal notranslate"><span class="pre">-Wall</span></code> of gcc is not enough, you may be interested in this.</p> +<p>You can change C compiler warning options with ‘WARNING_CFLAGS’ +configure arg-var option.</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ ./configure WARNING_CFLAGS='-Wall -Wextra' +</pre></div> +</div> +<p>If configure option ‘--with-sparse-cgcc’ is specified, +cgcc is used as CC. cgcc is part of <a class="reference external" href="https://sparse.docs.kernel.org/en/latest/">Sparse, Semantic Parser for C</a>. +It is used in development of Linux kernel for finding programming error. +cgcc acts as a c compiler but more fussy. ‘-Wsparse-all’ is used as +default option passed to cgcc but you can change with ‘CGCC_CFLAGS’ +configure arg-var option.</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ ./configure --with-sparse-cgcc [CGCC_CFLAGS='-Wsparse-all'] +</pre></div> +</div> +</section> +<section id="finding-performance-bottleneck"> +<h2><a class="toc-backref" href="#id6">Finding performance bottleneck</a><a class="headerlink" href="#finding-performance-bottleneck" title="Permalink to this headline">¶</a></h2> +<p>See <a class="reference external" href="https://wiki.geany.org/howtos/profiling/gperftools">Profiling with gperftools</a> and <a class="reference external" href="https://github.com/universal-ctags/ctags/issues/383">#383</a>.</p> +</section> +<section id="checking-coverage"> +<h2><a class="toc-backref" href="#id7">Checking coverage</a><a class="headerlink" href="#checking-coverage" title="Permalink to this headline">¶</a></h2> +<p>Before starting coverage measuring, you need to specify +‘--enable-coverage-gcov’ configure option.</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ ./configure --enable-coverage-gcov +</pre></div> +</div> +<p>After doing <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">clean</span></code>, you can build coverage measuring ready +ctags by <code class="docutils literal notranslate"><span class="pre">make</span></code>. At this time <em>*.gcno</em> files are generated +by the compiler. <em>*.gcno</em> files can be removed with <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">clean</span></code>.</p> +<p>After building ctags, you can run run-gcov target. When running +<em>*.gcda</em> files. The target runs ctags with all input files under +<em>Units/**/input.*</em>; and call <code class="docutils literal notranslate"><span class="pre">gcov</span></code>. Human readable result is +printed. The detail can be shown in <em>*.gcov</em>. files. <em>*.gcda</em> files +and <em>*.gcov</em> files can be removed with <code class="docutils literal notranslate"><span class="pre">make</span> <span class="pre">clean-gcov</span></code>.</p> +</section> +<section id="running-cppcheck"> +<h2><a class="toc-backref" href="#id8">Running cppcheck</a><a class="headerlink" href="#running-cppcheck" title="Permalink to this headline">¶</a></h2> +<p><a class="reference external" href="http://cppcheck.sourceforge.net/">cppcheck</a> is a tool for static C/C++ code +analysis.</p> +<p>To run it do as following after install cppcheck:</p> +<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ make cppcheck +</pre></div> +</div> +</section> +</section> + + + <div class="clearer"></div> + </div> + </div> + </div> + <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> + <div class="sphinxsidebarwrapper"> + <h3><a href="index.html">Table of Contents</a></h3> + <ul> +<li><a class="reference internal" href="#">Testing ctags</a><ul> +<li><a class="reference internal" href="#tmain-a-facility-for-testing-main-part"><em>Tmain</em>: a facility for testing main part</a><ul> +<li><a class="reference internal" href="#todo">TODO</a></li> +</ul> +</li> +<li><a class="reference internal" href="#tinst-installation-test"><em>Tinst</em>: installation test</a></li> +<li><a class="reference internal" href="#fussy-syntax-checking">Fussy syntax checking</a></li> +<li><a class="reference internal" href="#finding-performance-bottleneck">Finding performance bottleneck</a></li> +<li><a class="reference internal" href="#checking-coverage">Checking coverage</a></li> +<li><a class="reference internal" href="#running-cppcheck">Running cppcheck</a></li> +</ul> +</li> +</ul> + + <h4>Previous topic</h4> + <p class="topless"><a href="internal.html" + title="previous chapter">Input text stream</a></p> + <h4>Next topic</h4> + <p class="topless"><a href="testing.html" + title="next chapter">Testing a parser</a></p> +<div id="searchbox" style="display: none" role="search"> + <h3 id="searchlabel">Quick search</h3> + <div class="searchformwrapper"> + <form class="search" action="search.html" method="get"> + <input type="text" name="q" aria-labelledby="searchlabel" /> + <input type="submit" value="Go" /> + </form> + </div> +</div> +<script>$('#searchbox').show(0);</script> + </div> + </div> + <div class="clearer"></div> + </div> + <div class="related" role="navigation" aria-label="related navigation"> + <h3>Navigation</h3> + <ul> + <li class="right" style="margin-right: 10px"> + <a href="genindex.html" title="General Index" + >index</a></li> + <li class="right" > + <a href="testing.html" title="Testing a parser" + >next</a> |</li> + <li class="right" > + <a href="internal.html" title="Input text stream" + >previous</a> |</li> + <li class="nav-item nav-item-0"><a href="index.html">Universal Ctags 0.3.0 documentation</a> »</li> + <li class="nav-item nav-item-this"><a href="">Testing ctags</a></li> + </ul> + </div> + <div class="footer" role="contentinfo"> + © Copyright 2015, Universal Ctags Team. + Last updated on 11 Jun 2021. + Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> 4.0.2. + </div> + </body> +</html>
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