cookbook.html (8094B)
1 <!DOCTYPE html> 2 <html> 3 <!-- Created by GNU Texinfo 7.1, https://www.gnu.org/software/texinfo/ --> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 6 <!-- Released 2023 under AGPL3 --> 7 <title>cookbook (vise)</title> 8 9 <meta name="description" content="cookbook (vise)"> 10 <meta name="keywords" content="cookbook (vise)"> 11 <meta name="resource-type" content="document"> 12 <meta name="distribution" content="global"> 13 <meta name="Generator" content="makeinfo"> 14 <meta name="viewport" content="width=device-width,initial-scale=1"> 15 16 <link href="index.html" rel="start" title="Top"> 17 <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 18 <link href="index.html" rel="up" title="Top"> 19 <link href="dev.html" rel="next" title="dev"> 20 <link href="language.html" rel="prev" title="language"> 21 <style type="text/css"> 22 <!-- 23 a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em} 24 div.example {margin-left: 3.2em} 25 span:hover a.copiable-link {visibility: visible} 26 ul.mark-bullet {list-style-type: disc} 27 --> 28 </style> 29 30 31 </head> 32 33 <body lang="en"> 34 <div class="chapter-level-extent" id="cookbook"> 35 <div class="nav-panel"> 36 <p> 37 Next: <a href="dev.html" accesskey="n" rel="next">Developing with vise</a>, Previous: <a href="language.html" accesskey="p" rel="prev">Handling languages</a>, Up: <a href="index.html" accesskey="u" rel="up">Introduction</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p> 38 </div> 39 <hr> 40 <h2 class="chapter" id="Common-patterns"><span>10 Common patterns<a class="copiable-link" href="#Common-patterns"> ¶</a></span></h2> 41 42 43 <ul class="mini-toc"> 44 <li><a href="#Hello-world" accesskey="1">Hello world</a></li> 45 <li><a href="#Handling-menus-and-inputs" accesskey="2">Handling menus and inputs</a></li> 46 <li><a href="#Signal-flow-control" accesskey="3">Signal flow control</a></li> 47 <li><a href="#Multiple-pages" accesskey="4">Multiple pages</a></li> 48 <li><a href="#Multi_002dpage-menus" accesskey="5">Multi-page menus</a></li> 49 <li><a href="#Default-input-handler" accesskey="6">Default input handler</a></li> 50 </ul> 51 <div class="section-level-extent" id="Hello-world"> 52 <h3 class="section"><span>10.1 Hello world<a class="copiable-link" href="#Hello-world"> ¶</a></span></h3> 53 54 <div class="example"> 55 <pre class="example-preformatted">HALT 56 </pre></div> 57 58 <p>Will render a template without any external symbols and terminate execution immediately. 59 </p> 60 61 <a class="anchor" id="handling_005fmenus"></a></div> 62 <div class="section-level-extent" id="Handling-menus-and-inputs"> 63 <h3 class="section"><span>10.2 Handling menus and inputs<a class="copiable-link" href="#Handling-menus-and-inputs"> ¶</a></span></h3> 64 65 <div class="example"> 66 <pre class="example-preformatted">MOUT to_foo 0 67 MOUT to_bar 1 68 MOUT upup 2 69 HALT 70 INCMP foo 0 71 INCMP bar 1 72 INCMP _ 2 73 </pre></div> 74 75 <p>Create three menu items, resolving the menu symbols <code class="code">to_foo</code>, <code class="code">to_bar</code> and <code class="code">upup</code> respectively to translated text and pairing with the selectors. 76 </p> 77 <p>Yield for client input. Then attempt to match input to selectors: 78 </p> 79 <ul class="itemize mark-bullet"> 80 <li>if selector is <code class="code">0</code>, execute node <code class="code">foo</code>. 81 </li><li>if selector is <code class="code">1</code>, execute node <code class="code">bar</code>. 82 </li><li>if selector is <code class="code">2</code>, execute previous node in stack. 83 </li></ul> 84 85 86 <ul class="mini-toc"> 87 <li><a href="#Menu-batch-version" accesskey="1">Menu batch version</a></li> 88 </ul> 89 <div class="subsection-level-extent" id="Menu-batch-version"> 90 <h4 class="subsection"><span>10.2.1 Menu batch version<a class="copiable-link" href="#Menu-batch-version"> ¶</a></span></h4> 91 92 <div class="example"> 93 <pre class="example-preformatted">DOWN foo 0 to_foo 94 DOWN bar 1 to_bar 95 UP 2 upup 96 </pre></div> 97 98 <p>This example produces exactly the same bytecode result as the <a class="ref" href="#handling_005fmenus">previous example</a>. 99 </p> 100 101 </div> 102 </div> 103 <div class="section-level-extent" id="Signal-flow-control"> 104 <h3 class="section"><span>10.3 Signal flow control<a class="copiable-link" href="#Signal-flow-control"> ¶</a></span></h3> 105 106 <div class="example"> 107 <pre class="example-preformatted">LOAD foo 1 108 CATCH bar 8 1 109 MOVE baz 110 </pre></div> 111 112 <p>If loading the external symbol <code class="code">foo</code> sets the flag <code class="code">8</code>, then immediately move to <code class="code">bar</code>. 113 </p> 114 <p>Otherwise, move to <code class="code">baz</code>. 115 </p> 116 117 <a class="anchor" id="multiple_005fpages"></a></div> 118 <div class="section-level-extent" id="Multiple-pages"> 119 <h3 class="section"><span>10.4 Multiple pages<a class="copiable-link" href="#Multiple-pages"> ¶</a></span></h3> 120 121 <div class="example"> 122 <pre class="example-preformatted">LOAD foo 0 123 MNEXT to_fwd 11 124 MPREV to_back 22 125 HALT 126 INCMP > 11 127 INCMP < 22 128 </pre></div> 129 130 <p>Load external symbol <code class="code">foo</code> as a <em class="emph">sink</em>. 131 </p> 132 <p>If content spans multiple pages, resolve <code class="code">to_fwd</code> and <code class="code">to_back</code> as labels for lateral navigation options in the menu. 133 </p> 134 <p>Also handle the lateral navigation inputs. 135 </p> 136 <ul class="mini-toc"> 137 <li><a href="#Menu-batch-version-1" accesskey="1">Menu batch version</a></li> 138 </ul> 139 <div class="subsection-level-extent" id="Menu-batch-version-1"> 140 <h4 class="subsection"><span>10.4.1 Menu batch version<a class="copiable-link" href="#Menu-batch-version-1"> ¶</a></span></h4> 141 142 <div class="example"> 143 <pre class="example-preformatted">LOAD foo 0 144 NEXT 11 to_fwd 145 PREVIOUS 22 to_back 146 </pre></div> 147 148 <p>This example produces exactly the same bytecode result as the <a class="ref" href="#multiple_005fpages">previous example</a>. 149 </p> 150 151 <a class="anchor" id="multiple_005fmenus"></a></div> 152 </div> 153 <div class="section-level-extent" id="Multi_002dpage-menus"> 154 <h3 class="section"><span>10.5 Multi-page menus<a class="copiable-link" href="#Multi_002dpage-menus"> ¶</a></span></h3> 155 156 <div class="example"> 157 <pre class="example-preformatted">MSINK 158 MNEXT to_fwd 11 159 MPREV to_back 22 160 MOUT inky 0 161 MOUT pinky 1 162 MOUT blinky 2 163 MOUT clyde 3 164 MOUT tinkywinky 4 165 MOUT dipsy 5 166 MOUT lala 6 167 MOUT pu 7 168 HALT 169 INCMP foo 0 170 INCMP foo 1 171 INCMP foo 2 172 INCMP foo 3 173 INCMP foo 4 174 INCMP foo 5 175 INCMP foo 6 176 INCMP bar 7 177 </pre></div> 178 179 <p>Enable splitting menu over several pages, and route all valid inputs to the <code class="code">foo</code> node, except for <code class="code">7</code> which is routed to the <code class="code">bar</code> node. 180 </p> 181 182 <ul class="mini-toc"> 183 <li><a href="#Menu-batch-version-2" accesskey="1">Menu batch version</a></li> 184 </ul> 185 <div class="subsection-level-extent" id="Menu-batch-version-2"> 186 <h4 class="subsection"><span>10.5.1 Menu batch version<a class="copiable-link" href="#Menu-batch-version-2"> ¶</a></span></h4> 187 188 <div class="example"> 189 <pre class="example-preformatted">MSINK 190 MNEXT to_fwd 11 191 MPREV to_back 22 192 DOWN foo 0 inky 193 DOWN foo 1 pinky 194 DOWN foo 2 blinky 195 DOWN foo 3 clyde 196 DOWN foo 4 tinkywinky 197 DOWN foo 5 dipsy 198 DOWN foo 6 lala 199 DOWN bar 7 pu 200 </pre></div> 201 202 <p>This example produces exactly the same bytecode result as the <a class="ref" href="#multiple_005fmenus">previous example</a>. 203 </p> 204 205 </div> 206 </div> 207 <div class="section-level-extent" id="Default-input-handler"> 208 <h3 class="section"><span>10.6 Default input handler<a class="copiable-link" href="#Default-input-handler"> ¶</a></span></h3> 209 210 <div class="example"> 211 <pre class="example-preformatted">MOUT to_foo 0 212 HALT 213 INCMP foo 0 214 INCMP bar * 215 </pre></div> 216 217 <p>If input is <code class="code">0</code>, route to the <code class="code">foo</code>. Any other input will route to the <code class="code">bar</code> node. 218 </p></div> 219 </div> 220 <hr> 221 <div class="nav-panel"> 222 <p> 223 Next: <a href="dev.html">Developing with vise</a>, Previous: <a href="language.html">Handling languages</a>, Up: <a href="index.html">Introduction</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>]</p> 224 </div> 225 226 227 228 </body> 229 </html>