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<div class="section" id="tablegen-deficiencies">
<h1>TableGen Deficiencies<a class="headerlink" href="#tablegen-deficiencies" title="Permalink to this headline">¶</a></h1>
<div class="contents local topic" id="contents">
<ul class="simple">
<li><a class="reference internal" href="#introduction" id="id1">Introduction</a></li>
<li><a class="reference internal" href="#known-problems" id="id2">Known Problems</a></li>
</ul>
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<div class="section" id="introduction">
<h2><a class="toc-backref" href="#id1">Introduction</a><a class="headerlink" href="#introduction" title="Permalink to this headline">¶</a></h2>
<p>Despite being very generic, TableGen has some deficiencies that have been
pointed out numerous times. The common theme is that, while TableGen allows
you to build Domain-Specific-Languages, the final languages that you create
lack the power of other DSLs, which in turn increase considerably the size
and complexity of TableGen files.</p>
<p>At the same time, TableGen allows you to create virtually any meaning of
the basic concepts via custom-made back-ends, which can pervert the original
design and make it very hard for newcomers to understand it.</p>
<p>There are some in favour of extending the semantics even more, but making sure
back-ends adhere to strict rules. Others suggesting we should move to more
powerful DSLs designed with specific purposes, or even re-using existing
DSLs.</p>
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<div class="section" id="known-problems">
<h2><a class="toc-backref" href="#id2">Known Problems</a><a class="headerlink" href="#known-problems" title="Permalink to this headline">¶</a></h2>
<p>TODO: Add here frequently asked questions about why TableGen doesn’t do
what you want, how it might, and how we could extend/restrict it to
be more use friendly.</p>
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