web/contents/spec.html
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<article>
<h2>Specification</h2>
<blockquote>
<p>Under construction.</p>
</blockquote>
<h3 id="introduction">Introduction</h3>
<h3 id="syntax">Syntax</h3>
<h4 id="comments">Comments</h4>
<h4 id="integer-literals">Integer Literals</h4>
<h4 id="string-literals">String Literals</h4>
<h4 id="quotation-literals">Quotation Literals</h4>
<h4 id="symbol-identifiers">Symbol Identifiers</h4>
<h3 id="data-types">Data Types</h3>
<h4 id="integers">Integers</h4>
<h4 id="strings">Strings</h4>
<h4 id="quotations">Quotations</h4>
<h4 id="symbols">Symbols</h4>
<h3 id="stack">Stack</h3>
<h4 id="pushing-literals">Pushing Literals</h4>
<h4 id="pushing-symbols">Pushing Symbols</h4>
<h3 id="registry">Registry</h3>
<h3 id="native-symbols">Native Symbols</h3>
<h4 id="memory-management-symbols">Memory Management Symbols</h4>
<h5 id="store-symbol"><code>:</code> Symbol</h5>
<p><mark>a s →</mark></p>
<h5 id="free-symbol"><code>#</code> Symbol</h5>
<p><mark>s →</mark></p>
<h4 id="control-flow-symbols">Control Flow Symbols</h4>
<h5 id="if-symbol"><code>if</code> Symbol</h5>
<p><mark>q q q → *</mark></p>
<h5 id="when-symbol"><code>when</code> Symbol</h5>
<p><mark>q1 q2 → *</mark></p>
<h5 id="while-symbol"><code>while</code> Symbol</h5>
<p><mark>q1 q2 → *</mark></p>
<h5 id="error-symbol"><code>error</code> Symbol</h5>
<p><mark>→ s</mark></p>
<h5 id="try-symbol"><code>try</code> Symbol</h5>
<p><mark>q1 q2 → *</mark></p>
<h4 id="stack-management-symbols">Stack Management Symbol</h4>
<h5 id="dup-symbol"><code>dup</code> Symbol</h5>
<p><mark> a → a a</mark></p>
<h5 id="stack-symbol"><code>stack</code> Symbol</h5>
<p><mark> → q</mark></p>
<h5 id="clear-symbol"><code>clear</code> Symbol</h5>
<p><mark> →</mark></p>
<h5 id="pop-symbol"><code>pop</code> Symbol</h5>
<p><mark> a →</mark></p>
<h5 id="swap-symbol"><code>swap</code> Symbol</h5>
<p><mark> a1 a2 → a2 a1</mark></p>
<h4 id="evaluation-symbols">Evaluation Symbols</h4>
<h5 id="i-symbol"><code>.</code> Symbol</h5>
<p><mark>q → *</mark></p>
<h5 id="eval-symbol"><code>!</code> Symbol</h5>
<p><mark>s →</mark></p>
<h5 id="quote-symbol"><code>'</code> Symbol</h5>
<p><mark>a → q</mark></p>
<h4 id="arithmetic-symbols">Arithmetic Symbols</h4>
<h5 id="add-symbol"><code>+</code> Symbol</h5>
<p><mark> i1 i2 → i</mark></p>
<h5 id="subtract-symbol"><code>-</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="multiply-symbol"><code>*</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="divide-symbol"><code>/</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="module-symbol"><code>%</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h4 id="bitwise-operations-symbols">Bitwise Operations Symbols</h4>
<h5 id="bitwise-and-symbol"><code>&</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="bitwise-or-symbol"><code>|</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="bitwise-xor-symbol"><code>^</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="bitwise-not-symbol"><code>~</code> Symbol</h5>
<p><mark> i → i</mark></p>
<h5 id="bitwise-leftshift-symbol"><code><<</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="bitwise-rightshift-symbol"><code>>></code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h4 id="comparisons-symbols">Comparisons Symbols</h4>
<h5 id="equal-symbol"><code>==</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="notequal-symbol"><code>!=</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="greaterthan-symbol"><code>></code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="lessthan-symbol"><code><</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="greaterthanequal-symbol"><code>>=</code> Symbol</h5>
<p><mark> i1 12 → i</mark></p>
<h5 id="lessthanequal-symbol"><code><=</code> Symbol</h5>
<p><mark> i1 i2 → i</mark></p>
<h4 id="boolean-logic-symbols">Boolean Logic Symbols</h4>
<h5 id="and-symbol"><code>and</code> Symbol</h5>
<p><mark> i1 i2 → i</mark></p>
<h5 id="or-symbol"><code>or</code> Symbol</h5>
<p><mark> i1 i2 → i</mark></p>
<h5 id="not-symbol"><code>not</code> Symbol</h5>
<p><mark> i → i</mark></p>
<h5 id="xor-symbol"><code>xor</code> Symbol</h5>
<p><mark> i1 i2 → i</mark></p>
<h4 id="datatype-conversions-and-checking-symbols">Datatype Conversions and Checking Symbols</h4>
<h5 id="int-symbol"><code>int</code> Symbol</h5>
<p><mark> (i|s) → i</mark></p>
<h5 id="str-symbol"><code>str</code> Symbol</h5>
<p><mark> (i|s) → s</mark></p>
<h5 id="dec-symbol"><code>dec</code> Symbol</h5>
<p><mark> i → s</mark></p>
<h5 id="hex-symbol"><code>hex</code> Symbol</h5>
<p><mark> s → i</mark></p>
<h5 id="ord-symbol"><code>ord</code> Symbol</h5>
<p><mark> s → i</mark></p>
<h5 id="chr-symbol"><code>chr</code> Symbol</h5>
<p><mark> i → s</mark></p>
<h5 id="type-symbol"><code>type</code> Symbol</h5>
<p><mark> a → s</mark></p>
<h4 id="list-symbols">List (Strings and Quotations) Symbols</h4>
<h5 id="cat-symbol"><code>cat</code> Symbol</h5>
<p><mark> (s s|q q) → (s|q)</mark></p>
<h5 id="len-symbol"><code>len</code> Symbol</h5>
<p><mark> (s|q) → i</mark></p>
<h5 id="get-symbol"><code>get</code> Symbol</h5>
<p><mark> (s|q) → a</mark></p>
<h5 id="index-symbol"><code>index</code> Symbol</h5>
<p><mark> (s a|q a) → i</mark></p>
<h5 id="join-symbol"><code>join</code> Symbol</h5>
<p><mark> q s → s</mark></p>
<h4 id="string-symbols">String Symbols</h4>
<h5 id="split-symbol"><code>split</code> Symbol</h5>
<p><mark> s1 s2 → q</mark></p>
<h5 id="replace-symbol"><code>replace</code> Symbol</h5>
<p><mark> s1 s2 s3 →</mark></p>
<h4 id="quotation-symbols">Quotation Symbols</h4>
<h5 id="each-symbol"><code>each</code> Symbol</h5>
<p><mark> q1 q2 → *</mark></p>
<h5 id="map-symbol"><code>map</code> Symbol</h5>
<p><mark> q1 q2 → q</mark></p>
<h5 id="filter-symbol"><code>filter</code> Symbol</h5>
<p><mark> q1 q2 → q</mark></p>
<h4 id="input-output-symbols">Input/Output Symbols</h4>
<h5 id="puts-symbol"><code>puts</code> Symbol</h5>
<p><mark> a →</mark></p>
<h5 id="warn-symbol"><code>warn</code> Symbol</h5>
<p><mark> a →</mark></p>
<h5 id="print-symbol"><code>print</code> Symbol</h5>
<p><mark> a →</mark></p>
<h5 id="gets-symbol"><code>gets</code> Symbol</h5>
<p><mark> → s</mark></p>
<h4 id="file-symbols">File Symbols</h4>
<h5 id="read-symbol"><code>read</code> Symbol</h5>
<p><mark> s → s</mark></p>
<h5 id="write-symbol"><code>write</code> Symbol</h5>
<p><mark> s1 s2 → s</mark></p>
<h5 id="append-symbol"><code>append</code> Symbol</h5>
<p><mark> s1 s2 → s</mark></p>
<h4 id="shell-symbols">Shell Symbols</h4>
<h5 id="args-symbol"><code>args</code> Symbol</h5>
<p><mark> → q</mark></p>
<h5 id="exit-symbol"><code>exit</code> Symbol</h5>
<p><mark> i →</mark></p>
<h5 id="exec-symbol"><code>exec</code> Symbol</h5>
<p><mark> s →</mark></p>
<h5 id="run-symbol"><code>run</code> Symbol</h5>
<p><mark> s → q</mark></p>
</article>
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