ifhub/inform7
1
0
Fork 0
mirror of https://github.com/ganelson/inform.git synced 2024-07-08 18:14:21 +03:00
Code Issues Projects Releases Wiki Activity
inform7/docs/bytecode-module/2-cnn.html
Graham Nelson 1268a0f40e Colonised
2020-04-14 17:56:54 +01:00

160 lines
25 KiB
HTML
Raw Blame History

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Connectors</title>
<meta name="viewport" content="width=device-width initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-gb">
<link href="../inweb.css" rel="stylesheet" rev="stylesheet" type="text/css">
</head>
<body>
<nav role="navigation">
<h1><a href="../index.html">
<img src="../docs-src/Figures/Inform.png" height=72">
</a></h1>
<ul><li><a href="../compiler.html">compiler tools</a></li>
<li><a href="../other.html">other tools</a></li>
<li><a href="../extensions.html">extensions and kits</a></li>
<li><a href="../units.html">unit test tools</a></li>
</ul><h2>Compiler Webs</h2><ul>
<li><a href="../inbuild/index.html">inbuild</a></li>
<li><a href="../inform7/index.html">inform7</a></li>
<li><a href="../inter/index.html">inter</a></li>
</ul><h2>Inbuild Modules</h2><ul>
<li><a href="../supervisor-module/index.html">supervisor</a></li>
</ul><h2>Inform7 Modules</h2><ul>
<li><a href="../core-module/index.html">core</a></li>
<li><a href="../inflections-module/index.html">inflections</a></li>
<li><a href="../linguistics-module/index.html">linguistics</a></li>
<li><a href="../kinds-module/index.html">kinds</a></li>
<li><a href="../if-module/index.html">if</a></li>
<li><a href="../multimedia-module/index.html">multimedia</a></li>
<li><a href="../problems-module/index.html">problems</a></li>
<li><a href="../index-module/index.html">index</a></li>
</ul><h2>Inter Modules</h2><ul>
<li><a href="index.html"><span class="selectedlink">bytecode</span></a></li>
<li><a href="../building-module/index.html">building</a></li>
<li><a href="../codegen-module/index.html">codegen</a></li>
</ul><h2>Shared Modules</h2><ul>
<li><a href="../arch-module/index.html">arch</a></li>
<li><a href="../syntax-module/index.html">syntax</a></li>
<li><a href="../words-module/index.html">words</a></li>
<li><a href="../html-module/index.html">html</a></li>
<li><a href="../../../inweb/docs/foundation-module/index.html">foundation</a></li>
</ul>
</nav>
<main role="main">
<!--Weave of 'Connectors' generated by 7-->
<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Inter Modules</a></li><li><a href="index.html">bytecode</a></li><li><a href="index.html#2">Chapter 2: Interoperability</a></li><li><b>Connectors</b></li></ul><p class="purpose">To manage link symbols.</p>
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. </b></p>
<pre class="display">
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">unique_plug_number</span><span class="plain"> = </span><span class="constant">1</span><span class="plain">;</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Connectors::plug<button class="popup" onclick="togglePopup('usagePopup223')">...<span class="popuptext" id="usagePopup223">Usage of <b>Inter::Connectors::plug</b>:<br>Transmigration - <a href="2-trn.html#SP3">&#167;3</a>, <a href="2-trn.html#SP3_3">&#167;3.3</a>, <a href="2-trn.html#SP4_1">&#167;4.1</a></span></button></span><span class="plain">(</span><span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">wanted</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::eq</span><span class="plain">(</span><span class="identifier">wanted</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"self"</span><span class="plain">)) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"selfie!"</span><span class="plain">);</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">connectors</span><span class="plain"> = </span><span class="functiontext"><a href="#SP1">Inter::Connectors::connectors_package</a></span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">PN</span><span class="plain">)</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">PN</span><span class="plain">, </span><span class="string">"plug_%05d"</span><span class="plain">, </span><span class="identifier">unique_plug_number</span><span class="plain">++);</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">plug</span><span class="plain"> = </span><span class="functiontext"><a href="2-st.html#SP5">Inter::SymbolsTables::create_with_unique_name</a></span><span class="plain">(</span>
<span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::scope</a></span><span class="plain">(</span><span class="identifier">connectors</span><span class="plain">), </span><span class="identifier">PN</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">PN</span><span class="plain">);</span>
<span class="functiontext"><a href="2-st.html#SP10">Inter::SymbolsTables::make_plug</a></span><span class="plain">(</span><span class="identifier">plug</span><span class="plain">, </span><span class="identifier">wanted</span><span class="plain">);</span>
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">INTER_CONNECTORS</span><span class="plain">, </span><span class="string">"Plug I%d: $3 seeking %S\n"</span><span class="plain">, </span><span class="identifier">I</span><span class="plain">-&gt;</span><span class="identifier">allocation_id</span><span class="plain">, </span><span class="identifier">plug</span><span class="plain">, </span><span class="identifier">plug</span><span class="plain">-&gt;</span><span class="element">equated_name</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">plug</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Connectors::socket<button class="popup" onclick="togglePopup('usagePopup224')">...<span class="popuptext" id="usagePopup224">Usage of <b>Inter::Connectors::socket</b>:<br>Transmigration - <a href="2-trn.html#SP1">&#167;1</a></span></button></span><span class="plain">(</span><span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">socket_name</span><span class="plain">, </span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">wired_from</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">connectors</span><span class="plain"> = </span><span class="functiontext"><a href="#SP1">Inter::Connectors::connectors_package</a></span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">socket</span><span class="plain"> = </span><span class="functiontext"><a href="2-st.html#SP5">Inter::SymbolsTables::create_with_unique_name</a></span><span class="plain">(</span>
<span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::scope</a></span><span class="plain">(</span><span class="identifier">connectors</span><span class="plain">), </span><span class="identifier">socket_name</span><span class="plain">);</span>
<span class="functiontext"><a href="2-st.html#SP10">Inter::SymbolsTables::make_socket</a></span><span class="plain">(</span><span class="identifier">socket</span><span class="plain">, </span><span class="identifier">wired_from</span><span class="plain">);</span>
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">INTER_CONNECTORS</span><span class="plain">, </span><span class="string">"Socket I%d: $3 wired to $3\n"</span><span class="plain">, </span><span class="identifier">I</span><span class="plain">-&gt;</span><span class="identifier">allocation_id</span><span class="plain">, </span><span class="identifier">socket</span><span class="plain">, </span><span class="identifier">wired_from</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">socket</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="functiontext">Inter::Connectors::connectors_package<button class="popup" onclick="togglePopup('usagePopup225')">...<span class="popuptext" id="usagePopup225">Usage of <b>Inter::Connectors::connectors_package</b>:<br>none</span></button></span><span class="plain">(</span><span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">I</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"no tree for connectors"</span><span class="plain">);</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">connectors</span><span class="plain"> = </span><span class="identifier">Site::connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">connectors</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">main_package</span><span class="plain"> = </span><span class="identifier">Site::main_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">main_package</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"tree without main"</span><span class="plain">);</span>
<span class="identifier">connectors</span><span class="plain"> = </span><span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::by_name</a></span><span class="plain">(</span><span class="identifier">main_package</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"connectors"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">connectors</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">linkage</span><span class="plain"> = </span><span class="functiontext"><a href="2-st.html#SP11">Inter::SymbolsTables::url_name_to_symbol</a></span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"/_linkage"</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">linkage</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"no linkage ptype"</span><span class="plain">);</span>
<span class="reserved">inter_bookmark</span><span class="plain"> </span><span class="identifier">IBM</span><span class="plain"> = </span><span class="functiontext"><a href="2-bkm.html#SP1">Inter::Bookmarks::at_end_of_this_package</a></span><span class="plain">(</span><span class="identifier">main_package</span><span class="plain">);</span>
<span class="functiontext"><a href="4-tpc3.html#SP2">Inter::Package::new_package</a></span><span class="plain">(&amp;</span><span class="identifier">IBM</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"connectors"</span><span class="plain">, </span><span class="identifier">linkage</span><span class="plain">,</span>
<span class="plain">(</span><span class="constant">inter_t</span><span class="plain">) </span><span class="functiontext"><a href="2-bkm.html#SP1">Inter::Bookmarks::baseline</a></span><span class="plain">(&amp;</span><span class="identifier">IBM</span><span class="plain">)+1, </span><span class="identifier">NULL</span><span class="plain">, &amp;(</span><span class="identifier">connectors</span><span class="plain">));</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">connectors</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"unable to create connector package"</span><span class="plain">);</span>
<span class="identifier">Site::set_connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">connectors</span><span class="plain">);</span>
<span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::make_linklike</a></span><span class="plain">(</span><span class="identifier">connectors</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">connectors</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Connectors::find_socket<button class="popup" onclick="togglePopup('usagePopup226')">...<span class="popuptext" id="usagePopup226">Usage of <b>Inter::Connectors::find_socket</b>:<br>Transmigration - <a href="2-trn.html#SP1">&#167;1</a></span></button></span><span class="plain">(</span><span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">identifier</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">connectors</span><span class="plain"> = </span><span class="identifier">Site::connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">connectors</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="functiontext"><a href="2-st.html#SP4">Inter::SymbolsTables::symbol_from_name_not_equating</a></span><span class="plain">(</span>
<span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::scope</a></span><span class="plain">(</span><span class="identifier">Site::connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">)), </span><span class="identifier">identifier</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">S</span><span class="plain">) &amp;&amp; (</span><span class="functiontext"><a href="2-sym.html#SP2">Inter::Symbols::get_scope</a></span><span class="plain">(</span><span class="identifier">S</span><span class="plain">) == </span><span class="constant">SOCKET_ISYMS</span><span class="plain">)) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">S</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="functiontext">Inter::Connectors::find_plug<button class="popup" onclick="togglePopup('usagePopup227')">...<span class="popuptext" id="usagePopup227">Usage of <b>Inter::Connectors::find_plug</b>:<br>Transmigration - <a href="2-trn.html#SP3">&#167;3</a></span></button></span><span class="plain">(</span><span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">identifier</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">connectors</span><span class="plain"> = </span><span class="identifier">Site::connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">connectors</span><span class="plain">) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">S</span><span class="plain"> = </span><span class="functiontext"><a href="2-st.html#SP4">Inter::SymbolsTables::symbol_from_name_not_equating</a></span><span class="plain">(</span>
<span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::scope</a></span><span class="plain">(</span><span class="identifier">Site::connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">)), </span><span class="identifier">identifier</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">S</span><span class="plain">) &amp;&amp; (</span><span class="functiontext"><a href="2-sym.html#SP2">Inter::Symbols::get_scope</a></span><span class="plain">(</span><span class="identifier">S</span><span class="plain">) == </span><span class="constant">PLUG_ISYMS</span><span class="plain">)) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">S</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Connectors::wire_plug<button class="popup" onclick="togglePopup('usagePopup228')">...<span class="popuptext" id="usagePopup228">Usage of <b>Inter::Connectors::wire_plug</b>:<br>none</span></button></span><span class="plain">(</span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">plug</span><span class="plain">, </span><span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">to</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">plug</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="identifier">internal_error</span><span class="plain">(</span><span class="string">"no plug"</span><span class="plain">);</span>
<span class="identifier">LOGIF</span><span class="plain">(</span><span class="identifier">INTER_CONNECTORS</span><span class="plain">, </span><span class="string">"Plug $3 wired to $3\n"</span><span class="plain">, </span><span class="identifier">plug</span><span class="plain">, </span><span class="identifier">to</span><span class="plain">);</span>
<span class="functiontext"><a href="2-st.html#SP10">Inter::SymbolsTables::equate</a></span><span class="plain">(</span><span class="identifier">plug</span><span class="plain">, </span><span class="identifier">to</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Inter::Connectors::stecker<button class="popup" onclick="togglePopup('usagePopup229')">...<span class="popuptext" id="usagePopup229">Usage of <b>Inter::Connectors::stecker</b>:<br>none</span></button></span><span class="plain">(</span><span class="reserved">inter_tree</span><span class="plain"> *</span><span class="identifier">I</span><span class="plain">) {</span>
<span class="reserved">inter_package</span><span class="plain"> *</span><span class="identifier">Q</span><span class="plain"> = </span><span class="identifier">Site::connectors_package</span><span class="plain">(</span><span class="identifier">I</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Q</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) </span><span class="reserved">return</span><span class="plain">;</span>
<span class="reserved">inter_symbols_table</span><span class="plain"> *</span><span class="identifier">ST</span><span class="plain"> = </span><span class="functiontext"><a href="2-pck.html#SP3">Inter::Packages::scope</a></span><span class="plain">(</span><span class="identifier">Q</span><span class="plain">);</span>
<span class="reserved">for</span><span class="plain"> (</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">i</span><span class="plain">=0; </span><span class="identifier">i</span><span class="plain">&lt;</span><span class="identifier">ST</span><span class="plain">-&gt;</span><span class="element">size</span><span class="plain">; </span><span class="identifier">i</span><span class="plain">++) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">plug</span><span class="plain"> = </span><span class="identifier">ST</span><span class="plain">-&gt;</span><span class="element">symbol_array</span><span class="plain">[</span><span class="identifier">i</span><span class="plain">];</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">plug</span><span class="plain">) &amp;&amp; (</span><span class="functiontext"><a href="2-sym.html#SP2">Inter::Symbols::get_scope</a></span><span class="plain">(</span><span class="identifier">plug</span><span class="plain">) == </span><span class="constant">PLUG_ISYMS</span><span class="plain">) &amp;&amp; (</span><span class="identifier">plug</span><span class="plain">-&gt;</span><span class="element">equated_to</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">)) {</span>
<span class="reserved">inter_symbol</span><span class="plain"> *</span><span class="identifier">socket</span><span class="plain"> = </span><span class="functiontext"><a href="#SP1">Inter::Connectors::find_socket</a></span><span class="plain">(</span><span class="identifier">I</span><span class="plain">, </span><span class="identifier">plug</span><span class="plain">-&gt;</span><span class="element">equated_name</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">socket</span><span class="plain">) {</span>
<span class="functiontext"><a href="#SP1">Inter::Connectors::wire_plug</a></span><span class="plain">(</span><span class="identifier">plug</span><span class="plain">, </span><span class="identifier">socket</span><span class="plain">);</span>
<span class="identifier">plug</span><span class="plain">-&gt;</span><span class="element">equated_name</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<hr class="tocbar">
<ul class="toc"><li><a href="2-ann.html">Back to 'Annotations'</a></li><li><a href="2-trn.html">Continue with 'Transmigration'</a></li></ul><hr class="tocbar">
<!--End of weave-->
<script>
function togglePopup(material_id) {
var popup = document.getElementById(material_id);
popup.classList.toggle("show");
}
</script>
<link href="Popups.css" rel="stylesheet" rev="stylesheet" type="text/css">
</main>
</body>
</html>
Reference in a new issue View git blame Copy permalink