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<title>1/bsc</title>
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<!--Weave of '1/mn' generated by 7-->
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<ul class="crumbs"><li><a href="../webs.html">★</a></li><li><a href="index.html">inpolicy 1</a></li><li><a href="index.html#1">Chapter 1: Setting Up</a></li><li><b>Main</b></li></ul><p class="purpose">The top level, which decides what is to be done and then carries this plan out.</p>
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<ul class="toc"><li><a href="#SP1">§1. Main routine</a></li></ul><hr class="tocbar">
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<p class="inwebparagraph"><a id="SP1"></a><b>§1. Main routine. </b></p>
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<pre class="definitions">
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<span class="definitionkeyword">enum</span> <span class="constant">SILENCE_CLSW</span>
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<span class="definitionkeyword">enum</span> <span class="constant">VERBOSE_CLSW</span>
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<span class="definitionkeyword">enum</span> <span class="constant">WRITEME_CLSW</span>
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<span class="definitionkeyword">enum</span> <span class="constant">PROBLEMS_CLSW</span>
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<span class="definitionkeyword">enum</span> <span class="constant">ADVANCE_CLSW</span>
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</pre>
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<pre class="display">
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<span class="reserved">pathname</span><span class="plain"> *</span><span class="identifier">path_to_inpolicy</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">; </span> <span class="comment">where we are installed</span>
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<span class="reserved">pathname</span><span class="plain"> *</span><span class="identifier">path_to_inpolicy_workspace</span><span class="plain"> = </span><span class="identifier">NULL</span><span class="plain">; </span> <span class="comment">the materials pathname</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="identifier">return_happy</span><span class="plain"> = </span><span class="constant">TRUE</span><span class="plain">, </span><span class="identifier">silence_mode</span><span class="plain"> = </span><span class="constant">FALSE</span><span class="plain">, </span><span class="identifier">verbose_mode</span><span class="plain"> = </span><span class="constant">FALSE</span><span class="plain">;</span>
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<span class="reserved">int</span><span class="plain"> </span><span class="functiontext">main</span><span class="plain">(</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">argc</span><span class="plain">, </span><span class="reserved">char</span><span class="plain"> **</span><span class="identifier">argv</span><span class="plain">) {</span>
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<span class="functiontext">Foundation::start</span><span class="plain">();</span>
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<span class="functiontext">CommandLine::declare_heading</span><span class="plain">(</span>
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<span class="identifier">L</span><span class="string">"[[Purpose]]\</span><span class="plain">n</span><span class="string">\</span><span class="plain">n</span><span class="string">"</span>
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<span class="identifier">L</span><span class="string">"usage: inpolicy [options]\</span><span class="plain">n</span><span class="string">"</span><span class="plain">);</span>
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<span class="functiontext">CommandLine::declare_switch</span><span class="plain">(</span><span class="constant">PROBLEMS_CLSW</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"check-problems"</span><span class="plain">, 1,</span>
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<span class="identifier">L</span><span class="string">"check problem test case coverage"</span><span class="plain">);</span>
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<span class="functiontext">CommandLine::declare_switch</span><span class="plain">(</span><span class="constant">ADVANCE_CLSW</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"advance-build"</span><span class="plain">, 2,</span>
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<span class="identifier">L</span><span class="string">"increment daily build code for web X"</span><span class="plain">);</span>
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<span class="functiontext">CommandLine::declare_switch</span><span class="plain">(</span><span class="constant">WRITEME_CLSW</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"write-me"</span><span class="plain">, 2,</span>
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<span class="identifier">L</span><span class="string">"write a read-me file following instructions in file X"</span><span class="plain">);</span>
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<span class="functiontext">CommandLine::declare_boolean_switch</span><span class="plain">(</span><span class="constant">SILENCE_CLSW</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"silence"</span><span class="plain">, 1,</span>
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<span class="identifier">L</span><span class="string">"print nothing unless there's something wrong"</span><span class="plain">);</span>
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<span class="functiontext">CommandLine::declare_boolean_switch</span><span class="plain">(</span><span class="constant">VERBOSE_CLSW</span><span class="plain">, </span><span class="identifier">L</span><span class="string">"verbose"</span><span class="plain">, 1,</span>
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<span class="identifier">L</span><span class="string">"explain what inpolicy is doing"</span><span class="plain">);</span>
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<span class="functiontext">CommandLine::read</span><span class="plain">(</span><span class="identifier">argc</span><span class="plain">, </span><span class="identifier">argv</span><span class="plain">, </span><span class="identifier">NULL</span><span class="plain">, &</span><span class="functiontext">Main::respond</span><span class="plain">, &</span><span class="functiontext">Main::disallow</span><span class="plain">);</span>
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<span class="identifier">path_to_inpolicy</span><span class="plain"> = </span><span class="functiontext">Pathnames::installation_path</span><span class="plain">(</span><span class="string">"INPOLICY_PATH"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"inpolicy"</span><span class="plain">);</span>
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<span class="identifier">path_to_inpolicy_workspace</span><span class="plain"> = </span><span class="functiontext">Pathnames::subfolder</span><span class="plain">(</span><span class="identifier">path_to_inpolicy</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Workspace"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">verbose_mode</span><span class="plain">) </span><span class="identifier">PRINT</span><span class="plain">(</span><span class="string">"Installation path is %p\</span><span class="plain">n</span><span class="string">"</span><span class="plain">, </span><span class="identifier">path_to_inpolicy</span><span class="plain">);</span>
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<span class="functiontext">Foundation::end</span><span class="plain">();</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">return_happy</span><span class="plain">) </span><span class="reserved">return</span><span class="plain"> 0; </span><span class="reserved">else</span><span class="plain"> </span><span class="reserved">return</span><span class="plain"> 1;</span>
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<span class="plain">}</span>
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Main::disallow</span><span class="plain">(</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">id</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">arg</span><span class="plain">, </span><span class="reserved">void</span><span class="plain"> *</span><span class="identifier">state</span><span class="plain">) {</span>
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<span class="functiontext">Errors::fatal</span><span class="plain">(</span><span class="string">"no arguments are allowed at the command line"</span><span class="plain">);</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function main appears nowhere else.</p>
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<p class="endnote">The function Main::disallow appears nowhere else.</p>
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<p class="inwebparagraph"><a id="SP2"></a><b>§2. </b></p>
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<pre class="definitions">
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<span class="definitionkeyword">define</span> <span class="identifier">RUNTEST</span><span class="plain">(</span><span class="identifier">Routine</span><span class="plain">)</span>
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<span class="identifier">path_to_inpolicy</span><span class="plain"> = </span><span class="functiontext">Pathnames::installation_path</span><span class="plain">(</span><span class="string">"INPOLICY_PATH"</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"inpolicy"</span><span class="plain">);</span>
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<span class="identifier">path_to_inpolicy_workspace</span><span class="plain"> = </span><span class="functiontext">Pathnames::subfolder</span><span class="plain">(</span><span class="identifier">path_to_inpolicy</span><span class="plain">, </span><span class="identifier">I</span><span class="string">"Workspace"</span><span class="plain">);</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">silence_mode</span><span class="plain">) {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Routine</span><span class="plain">(</span><span class="identifier">NULL</span><span class="plain">) == </span><span class="constant">FALSE</span><span class="plain">) { </span><span class="identifier">return_happy</span><span class="plain"> = </span><span class="constant">FALSE</span><span class="plain">; </span><span class="identifier">Routine</span><span class="plain">(</span><span class="constant">STDERR</span><span class="plain">); }</span>
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<span class="plain">} </span><span class="reserved">else</span><span class="plain"> {</span>
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<span class="reserved">if</span><span class="plain"> (</span><span class="identifier">Routine</span><span class="plain">(</span><span class="constant">STDOUT</span><span class="plain">) == </span><span class="constant">FALSE</span><span class="plain">) </span><span class="identifier">return_happy</span><span class="plain"> = </span><span class="constant">FALSE</span><span class="plain">;</span>
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<span class="plain">}</span>
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</pre>
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<pre class="display">
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<span class="reserved">void</span><span class="plain"> </span><span class="functiontext">Main::respond</span><span class="plain">(</span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">id</span><span class="plain">, </span><span class="reserved">int</span><span class="plain"> </span><span class="identifier">val</span><span class="plain">, </span><span class="reserved">text_stream</span><span class="plain"> *</span><span class="identifier">arg</span><span class="plain">, </span><span class="reserved">void</span><span class="plain"> *</span><span class="identifier">state</span><span class="plain">) {</span>
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<span class="reserved">switch</span><span class="plain"> (</span><span class="identifier">id</span><span class="plain">) {</span>
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<span class="reserved">case</span><span class="plain"> </span><span class="constant">ADVANCE_CLSW</span><span class="plain">: </span><span class="functiontext">Inversion::maintain</span><span class="plain">(</span><span class="identifier">arg</span><span class="plain">); </span><span class="reserved">break</span><span class="plain">;</span>
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<span class="reserved">case</span><span class="plain"> </span><span class="constant">WRITEME_CLSW</span><span class="plain">: </span><span class="functiontext">Readme::write</span><span class="plain">(</span><span class="functiontext">Filenames::from_text</span><span class="plain">(</span><span class="identifier">arg</span><span class="plain">)); </span><span class="reserved">break</span><span class="plain">;</span>
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<span class="reserved">case</span><span class="plain"> </span><span class="constant">PROBLEMS_CLSW</span><span class="plain">: </span><span class="identifier">RUNTEST</span><span class="plain">(</span><span class="functiontext">Coverage::check</span><span class="plain">); </span><span class="reserved">break</span><span class="plain">;</span>
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<span class="reserved">case</span><span class="plain"> </span><span class="constant">SILENCE_CLSW</span><span class="plain">: </span><span class="identifier">silence_mode</span><span class="plain"> = </span><span class="identifier">val</span><span class="plain">; </span><span class="reserved">break</span><span class="plain">;</span>
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<span class="reserved">case</span><span class="plain"> </span><span class="constant">VERBOSE_CLSW</span><span class="plain">: </span><span class="identifier">verbose_mode</span><span class="plain"> = </span><span class="identifier">val</span><span class="plain">; </span><span class="reserved">break</span><span class="plain">;</span>
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<span class="plain">}</span>
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<span class="plain">}</span>
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</pre>
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<p class="inwebparagraph"></p>
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<p class="endnote">The function Main::respond is used in <a href="#SP1">§1</a>.</p>
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<hr class="tocbar">
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<ul class="toc"><li><a href="1-bsc.html">Back to 'Basics'</a></li><li><i>(This section ends Chapter 1: Setting Up.)</i></li></ul><hr class="tocbar">
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