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<ul class="crumbs"><li><a href="../index.html">Home</a></li><li><a href="../compiler.html">Shared Modules</a></li><li><a href="index.html">arch</a></li><li><a href="index.html#2">Chapter 2: Architectures</a></li><li><b>Architectures</b></li></ul><p class="purpose">To deal with multiple inter architectures.</p>
<ul class="toc"><li><a href="2-arc.html#SP1">&#167;1. Architectures</a></li></ul><hr class="tocbar">
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. Architectures. </b></p>
<pre class="display">
<span class="reserved">typedef</span><span class="plain"> </span><span class="reserved">struct</span><span class="plain"> </span><span class="reserved">inter_architecture</span><span class="plain"> {</span>
<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">shorthand</span><span class="plain">; </span><span class="comment"> such as <code class="display"><span class="extract">32d</span></code></span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">sixteen_bit</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">debug_enabled</span><span class="plain">;</span>
<span class="identifier">MEMORY_MANAGEMENT</span>
<span class="plain">} </span><span class="reserved">inter_architecture</span><span class="plain">;</span>
<span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="functiontext">Architectures::new<button class="popup" onclick="togglePopup('usagePopup2')">...<span class="popuptext" id="usagePopup2">Usage of <b>Architectures::new</b>:<br>none</span></button></span><span class="plain">(</span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">code</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">s</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">d</span><span class="plain">) {</span>
<span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain"> = </span><span class="identifier">CREATE</span><span class="plain">(</span><span class="reserved">inter_architecture</span><span class="plain">);</span>
<span class="identifier">A</span><span class="plain">-&gt;</span><span class="element">shorthand</span><span class="plain"> = </span><span class="identifier">Str::duplicate</span><span class="plain">(</span><span class="identifier">code</span><span class="plain">);</span>
<span class="identifier">A</span><span class="plain">-&gt;</span><span class="element">sixteen_bit</span><span class="plain"> = </span><span class="identifier">s</span><span class="plain">;</span>
<span class="identifier">A</span><span class="plain">-&gt;</span><span class="element">debug_enabled</span><span class="plain"> = </span><span class="identifier">d</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">A</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Architectures::create<button class="popup" onclick="togglePopup('usagePopup3')">...<span class="popuptext" id="usagePopup3">Usage of <b>Architectures::create</b>:<br>Arch Module - <a href="1-am.html#SP3">&#167;3</a></span></button></span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="functiontext"><a href="2-arc.html#SP1">Architectures::new</a></span><span class="plain">(</span><span class="identifier">I</span><span class="string">"16"</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">);</span>
<span class="functiontext"><a href="2-arc.html#SP1">Architectures::new</a></span><span class="plain">(</span><span class="identifier">I</span><span class="string">"16d"</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">);</span>
<span class="functiontext"><a href="2-arc.html#SP1">Architectures::new</a></span><span class="plain">(</span><span class="identifier">I</span><span class="string">"32"</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">);</span>
<span class="functiontext"><a href="2-arc.html#SP1">Architectures::new</a></span><span class="plain">(</span><span class="identifier">I</span><span class="string">"32d"</span><span class="plain">, </span><span class="identifier">FALSE</span><span class="plain">, </span><span class="identifier">TRUE</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">filename</span><span class="plain"> *</span><span class="functiontext">Architectures::canonical_binary<button class="popup" onclick="togglePopup('usagePopup4')">...<span class="popuptext" id="usagePopup4">Usage of <b>Architectures::canonical_binary</b>:<br>none</span></button></span><span class="plain">(</span><span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">A</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 arch"</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">, </span><span class="string">"arch-%S.interb"</span><span class="plain">, </span><span class="identifier">A</span><span class="plain">-&gt;</span><span class="element">shorthand</span><span class="plain">);</span>
<span class="identifier">filename</span><span class="plain"> *</span><span class="identifier">F</span><span class="plain"> = </span><span class="identifier">Filenames::in</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">F</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">filename</span><span class="plain"> *</span><span class="functiontext">Architectures::canonical_textual<button class="popup" onclick="togglePopup('usagePopup5')">...<span class="popuptext" id="usagePopup5">Usage of <b>Architectures::canonical_textual</b>:<br>none</span></button></span><span class="plain">(</span><span class="identifier">pathname</span><span class="plain"> *</span><span class="identifier">P</span><span class="plain">, </span><span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">A</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 arch"</span><span class="plain">);</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">, </span><span class="string">"arch-%S.intert"</span><span class="plain">, </span><span class="identifier">A</span><span class="plain">-&gt;</span><span class="element">shorthand</span><span class="plain">);</span>
<span class="identifier">filename</span><span class="plain"> *</span><span class="identifier">F</span><span class="plain"> = </span><span class="identifier">Filenames::in</span><span class="plain">(</span><span class="identifier">P</span><span class="plain">, </span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">leafname</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">F</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="functiontext">Architectures::to_codename<button class="popup" onclick="togglePopup('usagePopup6')">...<span class="popuptext" id="usagePopup6">Usage of <b>Architectures::to_codename</b>:<br>none</span></button></span><span class="plain">(</span><span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">A</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="identifier">NULL</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">A</span><span class="plain">-&gt;</span><span class="identifier">shorthand</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="functiontext">Architectures::from_codename<button class="popup" onclick="togglePopup('usagePopup7')">...<span class="popuptext" id="usagePopup7">Usage of <b>Architectures::from_codename</b>:<br>Target Virtual Machines - <a href="2-tvm.html#SP1">&#167;1</a></span></button></span><span class="plain">(</span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">name</span><span class="plain">) {</span>
<span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">A</span><span class="plain">, </span><span class="reserved">inter_architecture</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::eq_insensitive</span><span class="plain">(</span><span class="identifier">A</span><span class="plain">-&gt;</span><span class="element">shorthand</span><span class="plain">, </span><span class="identifier">name</span><span class="plain">))</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">A</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">int</span><span class="plain"> </span><span class="functiontext">Architectures::is_16_bit<button class="popup" onclick="togglePopup('usagePopup8')">...<span class="popuptext" id="usagePopup8">Usage of <b>Architectures::is_16_bit</b>:<br>Target Virtual Machines - <a href="2-tvm.html#SP1">&#167;1</a></span></button></span><span class="plain">(</span><span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">A</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 arch"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">A</span><span class="plain">-&gt;</span><span class="identifier">sixteen_bit</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Architectures::debug_enabled<button class="popup" onclick="togglePopup('usagePopup9')">...<span class="popuptext" id="usagePopup9">Usage of <b>Architectures::debug_enabled</b>:<br>Target Virtual Machines - <a href="2-tvm.html#SP1">&#167;1</a></span></button></span><span class="plain">(</span><span class="reserved">inter_architecture</span><span class="plain"> *</span><span class="identifier">A</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">A</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 arch"</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">A</span><span class="plain">-&gt;</span><span class="identifier">debug_enabled</span><span class="plain">;</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The structure inter_architecture is private to this section.</p>
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<ul class="toc"><li><i>(This section begins Chapter 2: Architectures.)</i></li><li><a href="2-tvm.html">Continue with 'Target Virtual Machines'</a></li></ul><hr class="tocbar">
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