189 lines
10 KiB
HTML
189 lines
10 KiB
HTML
|
||
<!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>Tracing Joy Execution — Thun 0.4.1 documentation</title>
|
||
<link rel="stylesheet" type="text/css" href="_static/pygments.css" />
|
||
<link rel="stylesheet" type="text/css" href="_static/alabaster.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="Function Reference" href="library.html" />
|
||
<link rel="prev" title="Parsing Text into Joy Expressions" href="parser.html" />
|
||
|
||
<link rel="stylesheet" href="_static/custom.css" type="text/css" />
|
||
|
||
|
||
<meta name="viewport" content="width=device-width, initial-scale=0.9, maximum-scale=0.9" />
|
||
|
||
</head><body>
|
||
|
||
|
||
<div class="document">
|
||
<div class="documentwrapper">
|
||
<div class="bodywrapper">
|
||
|
||
|
||
<div class="body" role="main">
|
||
|
||
<section id="tracing-joy-execution">
|
||
<h1>Tracing Joy Execution<a class="headerlink" href="#tracing-joy-execution" title="Permalink to this headline">¶</a></h1>
|
||
<section id="module-joy.utils.pretty_print">
|
||
<span id="joy-utils-pretty-print"></span><h2><code class="docutils literal notranslate"><span class="pre">joy.utils.pretty_print</span></code><a class="headerlink" href="#module-joy.utils.pretty_print" title="Permalink to this headline">¶</a></h2>
|
||
<p>Pretty printing support, e.g.:</p>
|
||
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>Joy? [23 18 * 99 +] trace
|
||
• 23 18 mul 99 add
|
||
23 • 18 mul 99 add
|
||
23 18 • mul 99 add
|
||
414 • 99 add
|
||
414 99 • add
|
||
513 •
|
||
|
||
513 <-top
|
||
|
||
joy?
|
||
</pre></div>
|
||
</div>
|
||
<p>On each line the stack is printed with the top to the left, then a
|
||
bullet symbol, •, to represent the current locus of processing, then
|
||
the pending expression to the right.</p>
|
||
<dl class="py class">
|
||
<dt class="sig sig-object py" id="joy.utils.pretty_print.TracePrinter">
|
||
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">joy.utils.pretty_print.</span></span><span class="sig-name descname"><span class="pre">TracePrinter</span></span><a class="reference internal" href="_modules/joy/utils/pretty_print.html#TracePrinter"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#joy.utils.pretty_print.TracePrinter" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>This is what does the formatting. You instantiate it and pass the <code class="docutils literal notranslate"><span class="pre">viewer()</span></code>
|
||
method to the <a class="reference internal" href="joy.html#joy.joy.joy" title="joy.joy.joy"><code class="xref py py-func docutils literal notranslate"><span class="pre">joy.joy.joy()</span></code></a> function, then print it to see the
|
||
trace.</p>
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="joy.utils.pretty_print.TracePrinter.go">
|
||
<span class="sig-name descname"><span class="pre">go</span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="reference internal" href="_modules/joy/utils/pretty_print.html#TracePrinter.go"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#joy.utils.pretty_print.TracePrinter.go" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Return a list of strings, one for each entry in the history, prefixed
|
||
with enough spaces to align all the interpreter dots.</p>
|
||
<p>This method is called internally by the <code class="docutils literal notranslate"><span class="pre">__str__()</span></code> method.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Return type</dt>
|
||
<dd class="field-odd"><p>list(str)</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="joy.utils.pretty_print.TracePrinter.viewer">
|
||
<span class="sig-name descname"><span class="pre">viewer</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">stack</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expression</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/joy/utils/pretty_print.html#TracePrinter.viewer"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#joy.utils.pretty_print.TracePrinter.viewer" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Record the current stack and expression in the TracePrinter’s history.
|
||
Pass this method as the <code class="docutils literal notranslate"><span class="pre">viewer</span></code> argument to the <a class="reference internal" href="joy.html#joy.joy.joy" title="joy.joy.joy"><code class="xref py py-func docutils literal notranslate"><span class="pre">joy.joy.joy()</span></code></a> function.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>quote</strong> (<em>stack</em>) – A stack.</p></li>
|
||
<li><p><strong>expression</strong> (<em>stack</em>) – A stack.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
<dl class="py function">
|
||
<dt class="sig sig-object py" id="joy.utils.pretty_print.trace">
|
||
<span class="sig-prename descclassname"><span class="pre">joy.utils.pretty_print.</span></span><span class="sig-name descname"><span class="pre">trace</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">stack</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">expression</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">dictionary</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="_modules/joy/utils/pretty_print.html#trace"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#joy.utils.pretty_print.trace" title="Permalink to this definition">¶</a></dt>
|
||
<dd><p>Evaluate a Joy expression on a stack and print a trace.</p>
|
||
<p>This function is just like the <cite>i</cite> combinator but it also prints a
|
||
trace of the evaluation</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters</dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>stack</strong> (<em>stack</em>) – The stack.</p></li>
|
||
<li><p><strong>expression</strong> (<em>stack</em>) – The expression to evaluate.</p></li>
|
||
<li><p><strong>dictionary</strong> (<em>dict</em>) – A <code class="docutils literal notranslate"><span class="pre">dict</span></code> mapping names to Joy functions.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Return type</dt>
|
||
<dd class="field-even"><p>(stack, (), dictionary)</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
</section>
|
||
</section>
|
||
|
||
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
|
||
<div class="sphinxsidebarwrapper">
|
||
<h1 class="logo"><a href="index.html">Thun</a></h1>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<h3>Navigation</h3>
|
||
<ul class="current">
|
||
<li class="toctree-l1"><a class="reference internal" href="notebooks/Intro.html">Thun: Joy in Python</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="joy.html">Joy Interpreter</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="stack.html">Stack or Quote or Sequence or List…</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="parser.html">Parsing Text into Joy Expressions</a></li>
|
||
<li class="toctree-l1 current"><a class="current reference internal" href="#">Tracing Joy Execution</a><ul>
|
||
<li class="toctree-l2"><a class="reference internal" href="#module-joy.utils.pretty_print"><code class="docutils literal notranslate"><span class="pre">joy.utils.pretty_print</span></code></a></li>
|
||
</ul>
|
||
</li>
|
||
<li class="toctree-l1"><a class="reference internal" href="library.html">Function Reference</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="lib.html">Functions Grouped by, er, Function with Examples</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="types.html">Type Inference of Joy Expressions</a></li>
|
||
<li class="toctree-l1"><a class="reference internal" href="notebooks/index.html">Essays about Programming in Joy</a></li>
|
||
</ul>
|
||
|
||
<div class="relations">
|
||
<h3>Related Topics</h3>
|
||
<ul>
|
||
<li><a href="index.html">Documentation overview</a><ul>
|
||
<li>Previous: <a href="parser.html" title="previous chapter">Parsing Text into Joy Expressions</a></li>
|
||
<li>Next: <a href="library.html" title="next chapter">Function Reference</a></li>
|
||
</ul></li>
|
||
</ul>
|
||
</div>
|
||
<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" autocomplete="off" autocorrect="off" autocapitalize="off" spellcheck="false"/>
|
||
<input type="submit" value="Go" />
|
||
</form>
|
||
</div>
|
||
</div>
|
||
<script>$('#searchbox').show(0);</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
</div>
|
||
<div class="clearer"></div>
|
||
</div>
|
||
<div class="footer" role="contentinfo">
|
||
<a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">
|
||
<img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-nc-sa/4.0/88x31.png" />
|
||
</a>
|
||
<br />
|
||
<span xmlns:dct="http://purl.org/dc/terms/" property="dct:title">Thun Documentation</span> by <a xmlns:cc="http://creativecommons.org/ns#" href="https://joypy.osdn.io/" property="cc:attributionName" rel="cc:attributionURL">Simon Forman</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/4.0/">Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License</a>.<br />Based on a work at <a xmlns:dct="http://purl.org/dc/terms/" href="https://osdn.net/projects/joypy/" rel="dct:source">https://osdn.net/projects/joypy/</a>.
|
||
Created using <a href="http://sphinx-doc.org/">Sphinx</a> 4.4.0.
|
||
</div>
|
||
|
||
</body>
|
||
</html> |