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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<ul class="crumbs"><li><a href="../webs.html">Source</a></li><li><a href="../compiler.html">Compiler Modules</a></li><li><a href="index.html">arch</a></li><li><a href="index.html#2">Chapter 2: Architectures</a></li><li><b>Compatibility</b></li></ul><p class="purpose">To manage compatibility lists: what can be compiled to what format.</p>
<p class="inwebparagraph"><a id="SP1"></a><b>&#167;1. </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">compatibility_specification</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">parsed_from</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">default_allows</span><span class="plain">;</span>
<span class="reserved">struct</span><span class="plain"> </span><span class="identifier">linked_list</span><span class="plain"> *</span><span class="identifier">exceptions</span><span class="plain">; </span> <span class="comment">of <code class="display"><span class="extract">target_vm</span></code></span>
<span class="identifier">MEMORY_MANAGEMENT</span>
<span class="plain">} </span><span class="reserved">compatibility_specification</span><span class="plain">;</span>
<span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="functiontext">Compatibility::all</span><span class="plain">(</span><span class="reserved">void</span><span class="plain">) {</span>
<span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="identifier">CREATE</span><span class="plain">(</span><span class="reserved">compatibility_specification</span><span class="plain">);</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;parsed_from</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain"> = </span><span class="identifier">NEW_LINKED_LIST</span><span class="plain">(</span><span class="reserved">target_vm</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">C</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Compatibility::universal</span><span class="plain">(</span><span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</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">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">LinkedLists::len</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain">) &gt; 0) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Compatibility::write</span><span class="plain">(</span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) { </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"for none"</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">x</span><span class="plain"> = </span><span class="identifier">LinkedLists::len</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">x</span><span class="plain"> == 0) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain">) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"for all"</span><span class="plain">);</span>
<span class="reserved">else</span><span class="plain"> </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"for none"</span><span class="plain">);</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain">) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"not "</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"for "</span><span class="plain">);</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">n</span><span class="plain"> = 0;</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER_LINKED_LIST</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain">) {</span>
<span class="identifier">n</span><span class="plain">++;</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">n</span><span class="plain"> &gt; 1) &amp;&amp; (</span><span class="identifier">n</span><span class="plain"> &lt; </span><span class="identifier">x</span><span class="plain">)) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">", "</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">n</span><span class="plain"> &gt; 1) &amp;&amp; (</span><span class="identifier">n</span><span class="plain"> == </span><span class="identifier">x</span><span class="plain">)) </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">" or "</span><span class="plain">);</span>
<span class="functiontext">TargetVMs::write</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="functiontext">Compatibility::from_text</span><span class="plain">(</span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">text</span><span class="plain">) {</span>
<span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="functiontext">Compatibility::all</span><span class="plain">();</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">incorrect</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">) == 0) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">C</span><span class="plain">;</span>
<span class="identifier">TEMPORARY_TEXT</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">);</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;parsed_from</span><span class="plain"> = </span><span class="identifier">Str::duplicate</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">Str::trim_white_space</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">Str::get_first_char</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">) == </span><span class="character">'('</span><span class="plain">) &amp;&amp; (</span><span class="identifier">Str::get_last_char</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">) == </span><span class="character">')'</span><span class="plain">)) {</span>
<span class="identifier">Str::delete_first_character</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">Str::delete_last_character</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">Str::trim_white_space</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">LOOP_THROUGH_TEXT</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">, </span><span class="identifier">parse</span><span class="plain">)</span>
<span class="identifier">Str::put</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">, </span><span class="identifier">Characters::tolower</span><span class="plain">(</span><span class="identifier">Str::get</span><span class="plain">(</span><span class="identifier">pos</span><span class="plain">)));</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">match_results</span><span class="plain"> </span><span class="identifier">mr</span><span class="plain"> = </span><span class="identifier">Regexp::create_mr</span><span class="plain">();</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">negated</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">, </span><span class="identifier">parse</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"not (%c+)"</span><span class="plain">)) {</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="identifier">Str::trim_white_space</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">negated</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">, </span><span class="identifier">parse</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"for (%c+)"</span><span class="plain">)) {</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="identifier">Str::trim_white_space</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">, </span><span class="identifier">parse</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"(%c+) only"</span><span class="plain">)) {</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">WRITE_TO</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">, </span><span class="string">"%S"</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="identifier">Str::trim_white_space</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">negated</span><span class="plain">) </span><span class="identifier">incorrect</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">; </span> <span class="comment">"not for 32d only"</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">parse</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"all"</span><span class="plain">)) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">negated</span><span class="plain">) </span><span class="identifier">incorrect</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">; </span> <span class="comment">"not for all"</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">} </span><span class="reserved">else</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">parse</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"none"</span><span class="plain">)) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">negated</span><span class="plain">) </span><span class="identifier">incorrect</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">; </span> <span class="comment">"not for none"</span>
<span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Compatibility::clause</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">parse</span><span class="plain">) == </span><span class="identifier">FALSE</span><span class="plain">)</span>
<span class="identifier">incorrect</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">DISCARD_TEXT</span><span class="plain">(</span><span class="identifier">parse</span><span class="plain">);</span>
<span class="identifier">Regexp::dispose_of</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">incorrect</span><span class="plain">) </span><span class="identifier">C</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">C</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">typedef</span><span class="plain"> </span><span class="reserved">struct</span><span class="plain"> </span><span class="reserved">compat_parser_state</span><span class="plain"> {</span>
<span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">;</span>
<span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">current_family</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">version_allowed</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">version_required</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">family_used</span><span class="plain">;</span>
<span class="plain">} </span><span class="reserved">compat_parser_state</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Compatibility::clause</span><span class="plain">(</span><span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">text</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">correct</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">match_results</span><span class="plain"> </span><span class="identifier">mr</span><span class="plain"> = </span><span class="identifier">Regexp::create_mr</span><span class="plain">();</span>
<span class="reserved">compat_parser_state</span><span class="plain"> </span><span class="identifier">cps</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="element">.C</span><span class="plain"> = </span><span class="identifier">C</span><span class="plain">; </span><span class="identifier">cps</span><span class="element">.version_allowed</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">; </span><span class="identifier">cps</span><span class="element">.version_required</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="element">.current_family</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">; </span><span class="identifier">cps</span><span class="element">.family_used</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">while</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"(%C+) (%c+)"</span><span class="plain">)) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">comma</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::get_last_char</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]) == </span><span class="character">','</span><span class="plain">) {</span>
<span class="identifier">comma</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">Str::delete_last_character</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="identifier">Str::trim_white_space</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">with</span><span class="plain"> = </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">;</span>
<span class="identifier">match_results</span><span class="plain"> </span><span class="identifier">mr2</span><span class="plain"> = </span><span class="identifier">Regexp::create_mr</span><span class="plain">();</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr2</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], </span><span class="identifier">L</span><span class="string">"with debugging,* *(%c*)"</span><span class="plain">)) {</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1]);</span>
<span class="identifier">Str::copy</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], </span><span class="identifier">mr2</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="identifier">with</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> </span><span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Regexp::match</span><span class="plain">(&amp;</span><span class="identifier">mr2</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], </span><span class="identifier">L</span><span class="string">"without debugging,* *(%c*)"</span><span class="plain">)) {</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1]);</span>
<span class="identifier">Str::copy</span><span class="plain">(</span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1], </span><span class="identifier">mr2</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0]);</span>
<span class="identifier">with</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">Regexp::dispose_of</span><span class="plain">(&amp;</span><span class="identifier">mr2</span><span class="plain">);</span>
<span class="identifier">correct</span><span class="plain"> = (</span><span class="identifier">correct</span><span class="plain"> &amp;&amp; </span><span class="functiontext">Compatibility::word</span><span class="plain">(&amp;</span><span class="identifier">cps</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[0], </span><span class="identifier">with</span><span class="plain">));</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">comma</span><span class="plain">) </span><span class="identifier">correct</span><span class="plain"> = (</span><span class="identifier">correct</span><span class="plain"> &amp;&amp; </span><span class="functiontext">Compatibility::word</span><span class="plain">(&amp;</span><span class="identifier">cps</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"or"</span><span class="plain">, </span><span class="identifier">with</span><span class="plain">));</span>
<span class="identifier">Str::clear</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">); </span><span class="identifier">Str::copy</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">mr</span><span class="plain">.</span><span class="identifier">exp</span><span class="plain">[1]);</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">text</span><span class="plain">) &gt; 0)</span>
<span class="identifier">correct</span><span class="plain"> = (</span><span class="identifier">correct</span><span class="plain"> &amp;&amp; </span><span class="functiontext">Compatibility::word</span><span class="plain">(&amp;</span><span class="identifier">cps</span><span class="plain">, </span><span class="identifier">text</span><span class="plain">, </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">));</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">correct</span><span class="plain">) &amp;&amp; (</span><span class="identifier">cps</span><span class="element">.family_used</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">) &amp;&amp; (</span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">cps</span><span class="element">.current_family</span><span class="plain">) &gt; 0)) {</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</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">cps</span><span class="element">.current_family</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">-</span><span class="element">&gt;family_name</span><span class="plain">))</span>
<span class="functiontext">Compatibility::add</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">Regexp::dispose_of</span><span class="plain">(&amp;</span><span class="identifier">mr</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">correct</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Compatibility::word</span><span class="plain">(</span><span class="reserved">compat_parser_state</span><span class="plain"> *</span><span class="identifier">cps</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">word</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">with</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_allowed</span><span class="plain">) {</span>
<span class="identifier">semantic_version_number</span><span class="plain"> </span><span class="identifier">V</span><span class="plain"> = </span><span class="identifier">VersionNumbers::from_text</span><span class="plain">(</span><span class="identifier">word</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">VersionNumbers::is_null</span><span class="plain">(</span><span class="identifier">V</span><span class="plain">)) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_required</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Str::len</span><span class="plain">(</span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;current_family</span><span class="plain">) == 0) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;family_used</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">seen</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</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">VM</span><span class="plain">-</span><span class="element">&gt;family_name</span><span class="plain">, </span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;current_family</span><span class="plain">)) {</span>
<span class="identifier">seen</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">VersionNumbers::eq</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">-</span><span class="element">&gt;version</span><span class="plain">, </span><span class="identifier">V</span><span class="plain">)) &amp;&amp;</span>
<span class="plain">((</span><span class="identifier">with</span><span class="plain"> == </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">) || (</span><span class="functiontext">TargetVMs::debug_enabled</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">) == </span><span class="identifier">with</span><span class="plain">)))</span>
<span class="functiontext">Compatibility::add</span><span class="plain">(</span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;C</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_required</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">seen</span><span class="plain">;</span>
<span class="plain">}</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">word</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"or"</span><span class="plain">)) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">with</span><span class="plain"> != </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</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">word</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"version"</span><span class="plain">)) ||</span>
<span class="plain">(</span><span class="identifier">Str::eq_insensitive</span><span class="plain">(</span><span class="identifier">word</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"versions"</span><span class="plain">))) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">with</span><span class="plain"> != </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_required</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_allowed</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_required</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;version_allowed</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">bits</span><span class="plain"> = </span><span class="identifier">NOT_APPLICABLE</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">word</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"16-bit"</span><span class="plain">)) </span><span class="identifier">bits</span><span class="plain"> = </span><span class="identifier">TRUE</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">word</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"32-bit"</span><span class="plain">)) </span><span class="identifier">bits</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">bits</span><span class="plain"> != </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">) {</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">TargetVMs::is_16_bit</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">) == </span><span class="identifier">bits</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> ((</span><span class="identifier">with</span><span class="plain"> == </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">) || (</span><span class="functiontext">TargetVMs::debug_enabled</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">) == </span><span class="identifier">with</span><span class="plain">))</span>
<span class="functiontext">Compatibility::add</span><span class="plain">(</span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;C</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">);</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;current_family</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;family_used</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">with</span><span class="plain"> != </span><span class="identifier">NOT_APPLICABLE</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">seen</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</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">VM</span><span class="plain">-</span><span class="element">&gt;family_name</span><span class="plain">, </span><span class="identifier">word</span><span class="plain">)) {</span>
<span class="identifier">seen</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">TargetVMs::debug_enabled</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">) == </span><span class="identifier">with</span><span class="plain">)</span>
<span class="functiontext">Compatibility::add</span><span class="plain">(</span><span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;C</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;current_family</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">;</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;family_used</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">seen</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</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">VM</span><span class="plain">-</span><span class="element">&gt;family_name</span><span class="plain">, </span><span class="identifier">word</span><span class="plain">)) {</span>
<span class="identifier">cps</span><span class="plain">-</span><span class="element">&gt;current_family</span><span class="plain"> = </span><span class="identifier">VM</span><span class="plain">-</span><span class="element">&gt;family_name</span><span class="plain">;</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Compatibility::add</span><span class="plain">(</span><span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">) {</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">already_there</span><span class="plain"> = </span><span class="identifier">FALSE</span><span class="plain">;</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">X</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER_LINKED_LIST</span><span class="plain">(</span><span class="identifier">X</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">VM</span><span class="plain"> == </span><span class="identifier">X</span><span class="plain">)</span>
<span class="identifier">already_there</span><span class="plain"> = </span><span class="identifier">TRUE</span><span class="plain">;</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">already_there</span><span class="plain"> == </span><span class="identifier">FALSE</span><span class="plain">)</span>
<span class="identifier">ADD_TO_LINKED_LIST</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain">);</span>
<span class="reserved">return</span><span class="plain"> </span><span class="identifier">already_there</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">Compatibility::with</span><span class="plain">(</span><span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</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">FALSE</span><span class="plain">;</span>
<span class="reserved">int</span><span class="plain"> </span><span class="identifier">decision</span><span class="plain"> = </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;default_allows</span><span class="plain">;</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">X</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER_LINKED_LIST</span><span class="plain">(</span><span class="identifier">X</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">-</span><span class="element">&gt;exceptions</span><span class="plain">)</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">VM</span><span class="plain"> == </span><span class="identifier">X</span><span class="plain">)</span>
<span class="identifier">decision</span><span class="plain"> = </span><span class="identifier">decision</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="reserved">return</span><span class="plain"> </span><span class="identifier">decision</span><span class="plain">;</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Compatibility::test</span><span class="plain">(</span><span class="identifier">OUTPUT_STREAM</span><span class="plain">) {</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for all"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"all"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not for all"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not all"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for none"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"none"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not for none"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not none"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for 16-bit with debugging"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not for 32-bit"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for 16-bit with debugging or 32-bit with debugging"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not for 32-bit or 16-bit"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for 16-bit with debugging, 32-bit with debugging or 32-bit"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"not for 16-bit with debugging, 32-bit with debugging or 32-bit"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for glulx"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for glulx or z-machine version 8"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for glulx without debugging"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for z-machine version 8"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for z-machine version 5 with debugging"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for z-machine version 8, or Glulx without debugging"</span><span class="plain">);</span>
<span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"for z-machine version 5 or 8"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Compatibility::test_one</span><span class="plain">(</span><span class="identifier">OUTPUT_STREAM</span><span class="plain">, </span><span class="identifier">text_stream</span><span class="plain"> *</span><span class="identifier">test</span><span class="plain">) {</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"'%S': "</span><span class="plain">, </span><span class="identifier">test</span><span class="plain">);</span>
<span class="reserved">compatibility_specification</span><span class="plain"> *</span><span class="identifier">C</span><span class="plain"> = </span><span class="functiontext">Compatibility::from_text</span><span class="plain">(</span><span class="identifier">test</span><span class="plain">);</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">C</span><span class="plain"> == </span><span class="identifier">NULL</span><span class="plain">) { </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"not a valid compatibility specification\</span><span class="plain">n</span><span class="string">\</span><span class="plain">n</span><span class="string">"</span><span class="plain">); </span><span class="reserved">return</span><span class="plain">; }</span>
<span class="functiontext">Compatibility::write</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">C</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">":\</span><span class="plain">n</span><span class="string">"</span><span class="plain">); </span><span class="identifier">INDENT</span><span class="plain">;</span>
<span class="reserved">target_vm</span><span class="plain"> *</span><span class="identifier">VM</span><span class="plain">;</span>
<span class="identifier">LOOP_OVER</span><span class="plain">(</span><span class="identifier">VM</span><span class="plain">, </span><span class="reserved">target_vm</span><span class="plain">) {</span>
<span class="reserved">if</span><span class="plain"> (</span><span class="functiontext">Compatibility::with</span><span class="plain">(</span><span class="identifier">C</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">)) {</span>
<span class="functiontext">TargetVMs::write</span><span class="plain">(</span><span class="identifier">OUT</span><span class="plain">, </span><span class="identifier">VM</span><span class="plain">);</span>
<span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
<span class="plain">}</span>
<span class="plain">}</span>
<span class="identifier">OUTDENT</span><span class="plain">; </span><span class="identifier">WRITE</span><span class="plain">(</span><span class="string">"\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
<span class="plain">}</span>
</pre>
<p class="inwebparagraph"></p>
<p class="endnote">The function Compatibility::all appears nowhere else.</p>
<p class="endnote">The function Compatibility::universal appears nowhere else.</p>
<p class="endnote">The function Compatibility::write appears nowhere else.</p>
<p class="endnote">The function Compatibility::from_text appears nowhere else.</p>
<p class="endnote">The function Compatibility::clause appears nowhere else.</p>
<p class="endnote">The function Compatibility::word appears nowhere else.</p>
<p class="endnote">The function Compatibility::add appears nowhere else.</p>
<p class="endnote">The function Compatibility::with appears nowhere else.</p>
<p class="endnote">The function Compatibility::test appears nowhere else.</p>
<p class="endnote">The function Compatibility::test_one appears nowhere else.</p>
<p class="endnote">The structure compatibility_specification is private to this section.</p>
<p class="endnote">The structure compat_parser_state is private to this section.</p>
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