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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-comment'>-- |</span>
<a name="line-6"></a><span class='hs-comment'>-- Module : Progress</span>
<a name="line-7"></a><span class='hs-comment'>-- Copyright : 2008 David Roundy</span>
<a name="line-8"></a><span class='hs-comment'>-- License : GPL</span>
<a name="line-9"></a><span class='hs-comment'>-- Maintainer : darcs-devel@darcs.net</span>
<a name="line-10"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-11"></a><span class='hs-comment'>-- Portability : portable</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- Utility functions for tracking progress of long-running actions.</span>
<a name="line-14"></a>
<a name="line-15"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Progress</span>
<a name="line-16"></a> <span class='hs-layout'>(</span>
<a name="line-17"></a> <span class='hs-varid'>beginTedious</span>
<a name="line-18"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>endTedious</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>tediousSize</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>debugMessage</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>debugFail</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>withoutProgress</span>
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>progress</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>progressKeepLatest</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>finishedOne</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>finishedOneIO</span>
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>progressList</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>minlist</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>setProgressMode</span>
<a name="line-30"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-31"></a>
<a name="line-32"></a>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span><span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span><span class='hs-varop'>.</span><span class='hs-conid'>Extensible</span> <span class='hs-layout'>(</span> <span class='hs-varid'>onException</span> <span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span> <span class='hs-varid'>when</span> <span class='hs-layout'>)</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span> <span class='hs-layout'>(</span> <span class='hs-varid'>forkIO</span><span class='hs-layout'>,</span> <span class='hs-varid'>threadDelay</span> <span class='hs-layout'>)</span>
<a name="line-38"></a>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span> <span class='hs-varid'>toLower</span> <span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Map</span><span class='hs-layout'>,</span> <span class='hs-varid'>empty</span><span class='hs-layout'>,</span> <span class='hs-varid'>adjust</span><span class='hs-layout'>,</span> <span class='hs-varid'>insert</span><span class='hs-layout'>,</span> <span class='hs-varid'>delete</span><span class='hs-layout'>,</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isJust</span> <span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>IORef</span> <span class='hs-layout'>(</span> <span class='hs-conid'>IORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>newIORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>readIORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>writeIORef</span><span class='hs-layout'>,</span> <span class='hs-varid'>modifyIORef</span> <span class='hs-layout'>)</span>
<a name="line-43"></a>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span> <span class='hs-varid'>stdout</span><span class='hs-layout'>,</span> <span class='hs-varid'>stderr</span><span class='hs-layout'>,</span> <span class='hs-varid'>hFlush</span><span class='hs-layout'>,</span> <span class='hs-varid'>hPutStr</span><span class='hs-layout'>,</span> <span class='hs-varid'>hPutStrLn</span><span class='hs-layout'>,</span>
<a name="line-45"></a> <span class='hs-varid'>hSetBuffering</span><span class='hs-layout'>,</span> <span class='hs-varid'>hIsTerminalDevice</span><span class='hs-layout'>,</span>
<a name="line-46"></a> <span class='hs-conid'>Handle</span><span class='hs-layout'>,</span> <span class='hs-conid'>BufferMode</span><span class='hs-layout'>(</span><span class='hs-conid'>LineBuffering</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-layout'>)</span>
<a name="line-48"></a>
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Global</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withDebugMode</span><span class='hs-layout'>,</span> <span class='hs-varid'>debugMessage</span><span class='hs-layout'>,</span> <span class='hs-varid'>putTiming</span><span class='hs-layout'>,</span> <span class='hs-varid'>debugFail</span> <span class='hs-layout'>)</span>
<a name="line-50"></a>
<a name="line-51"></a>
<a name="line-52"></a><a name="ProgressData"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ProgressData</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ProgressData</span>
<a name="line-53"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>sofar</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Int</span>
<a name="line-54"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>latest</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-55"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>total</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-56"></a> <span class='hs-layout'>}</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="handleProgress"></a><span class='hs-definition'>handleProgress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-59"></a><span class='hs-definition'>handleProgress</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-60"></a> <span class='hs-varid'>threadDelay</span> <span class='hs-num'>1000000</span>
<a name="line-61"></a> <span class='hs-varid'>handleMoreProgress</span> <span class='hs-str'>""</span> <span class='hs-num'>0</span>
<a name="line-62"></a>
<a name="line-63"></a>
<a name="line-64"></a><a name="handleMoreProgress"></a><span class='hs-definition'>handleMoreProgress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-65"></a><span class='hs-definition'>handleMoreProgress</span> <span class='hs-varid'>k</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>m</span> <span class='hs-keyglyph'>-></span>
<a name="line-66"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getProgressLast</span>
<a name="line-67"></a> <span class='hs-varid'>mp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getProgressData</span> <span class='hs-varid'>s</span>
<a name="line-68"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mp</span> <span class='hs-keyword'>of</span>
<a name="line-69"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-70"></a> <span class='hs-varid'>threadDelay</span> <span class='hs-num'>1000000</span>
<a name="line-71"></a> <span class='hs-varid'>handleMoreProgress</span> <span class='hs-varid'>k</span> <span class='hs-varid'>n</span>
<a name="line-72"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-73"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>s</span> <span class='hs-varop'>||</span> <span class='hs-varid'>n</span> <span class='hs-varop'><</span> <span class='hs-varid'>sofar</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>whenProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-varid'>printProgress</span> <span class='hs-varid'>s</span> <span class='hs-varid'>p</span>
<a name="line-74"></a> <span class='hs-varid'>threadDelay</span> <span class='hs-num'>1000000</span>
<a name="line-75"></a> <span class='hs-varid'>handleMoreProgress</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-varid'>sofar</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-76"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>threadDelay</span> <span class='hs-num'>1000000</span>
<a name="line-77"></a> <span class='hs-varid'>handleMoreProgress</span> <span class='hs-varid'>k</span> <span class='hs-varid'>n</span>
<a name="line-78"></a>
<a name="line-79"></a>
<a name="line-80"></a><a name="printProgress"></a><span class='hs-definition'>printProgress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-81"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ProgressData</span>
<a name="line-82"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-83"></a><span class='hs-definition'>printProgress</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>ProgressData</span> <span class='hs-layout'>{</span><span class='hs-varid'>sofar</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>total</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Just</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>latest</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Just</span> <span class='hs-varid'>l</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-84"></a> <span class='hs-varid'>myput</span> <span class='hs-varid'>output</span> <span class='hs-varid'>output</span>
<a name="line-85"></a> <span class='hs-keyword'>where</span>
<a name="line-86"></a> <span class='hs-varid'>output</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-str'>" done, "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-comment'>-</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" queued. "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>l</span>
<a name="line-87"></a><span class='hs-definition'>printProgress</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>ProgressData</span> <span class='hs-layout'>{</span><span class='hs-varid'>latest</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Just</span> <span class='hs-varid'>l</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-88"></a> <span class='hs-varid'>myput</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>k</span>
<a name="line-89"></a><span class='hs-definition'>printProgress</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>ProgressData</span> <span class='hs-layout'>{</span><span class='hs-varid'>sofar</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-varid'>total</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>Just</span> <span class='hs-varid'>t</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>t</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-90"></a> <span class='hs-varid'>myput</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-str'>" done, "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-comment'>-</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" queued"</span><span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-92"></a><span class='hs-definition'>printProgress</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-conid'>ProgressData</span> <span class='hs-layout'>{</span><span class='hs-varid'>sofar</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>s</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-93"></a> <span class='hs-varid'>myput</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>k</span>
<a name="line-94"></a>
<a name="line-95"></a>
<a name="line-96"></a><a name="myput"></a><span class='hs-definition'>myput</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-97"></a><span class='hs-definition'>myput</span> <span class='hs-varid'>l</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withDebugMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>debugMode</span> <span class='hs-keyglyph'>-></span>
<a name="line-98"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>debugMode</span>
<a name="line-99"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>putTiming</span> <span class='hs-varop'>>></span> <span class='hs-varid'>hPutStrLn</span> <span class='hs-varid'>stderr</span> <span class='hs-varid'>l</span>
<a name="line-100"></a> <span class='hs-keyword'>else</span>
<a name="line-101"></a> <span class='hs-keyword'>if</span> <span class='hs-chr'>'\n'</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>l</span>
<a name="line-102"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>myput</span> <span class='hs-layout'>(</span><span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-chr'>'\n'</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-103"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>putTiming</span> <span class='hs-varop'>>></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>length</span> <span class='hs-varid'>l</span> <span class='hs-varop'><</span> <span class='hs-num'>80</span>
<a name="line-104"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>simpleput</span> <span class='hs-varid'>l</span>
<a name="line-105"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>simpleput</span> <span class='hs-layout'>(</span><span class='hs-varid'>take</span> <span class='hs-num'>80</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-106"></a>
<a name="line-107"></a>
<a name="line-108"></a><a name="simpleput"></a><span class='hs-definition'>simpleput</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-109"></a><span class='hs-definition'>simpleput</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkhPutCr</span> <span class='hs-varid'>stderr</span>
<a name="line-110"></a><span class='hs-comment'>{-# NOINLINE simpleput #-}</span>
<a name="line-111"></a>
<a name="line-112"></a>
<a name="line-113"></a><a name="beginTedious"></a><span class='hs-comment'>-- | @beginTedious k@ starts a tedious process and registers it in</span>
<a name="line-114"></a><span class='hs-comment'>-- '_progressData' with the key @k@. A tedious process is one for which we want</span>
<a name="line-115"></a><span class='hs-comment'>-- a progress indicator.</span>
<a name="line-116"></a><span class='hs-comment'>--</span>
<a name="line-117"></a><span class='hs-comment'>-- Wouldn't it be safer if it had type String -> IO ProgressDataKey, so that we</span>
<a name="line-118"></a><span class='hs-comment'>-- can ensure there is no collision? What happens if you call beginTedious twice</span>
<a name="line-119"></a><span class='hs-comment'>-- with the same string, without calling endTedious in the meantime?</span>
<a name="line-120"></a><span class='hs-definition'>beginTedious</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-121"></a><span class='hs-definition'>beginTedious</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-122"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Beginning "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>k</span>
<a name="line-123"></a> <span class='hs-varid'>setProgressData</span> <span class='hs-varid'>k</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ProgressData</span>
<a name="line-124"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>sofar</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-125"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>latest</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-126"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>total</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-127"></a> <span class='hs-layout'>}</span>
<a name="line-128"></a>
<a name="line-129"></a>
<a name="line-130"></a><a name="endTedious"></a><span class='hs-comment'>-- | @endTedious k@ unregisters the tedious process with key @k@, printing</span>
<a name="line-131"></a><span class='hs-comment'>-- "Done" if such a tedious process exists.</span>
<a name="line-132"></a><span class='hs-definition'>endTedious</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-133"></a><span class='hs-definition'>endTedious</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-134"></a> <span class='hs-varid'>p</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getProgressData</span> <span class='hs-varid'>k</span>
<a name="line-135"></a> <span class='hs-varid'>modifyIORef</span> <span class='hs-sel'>_progressData</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>delete</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-136"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>isJust</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>debugMessage</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Done "</span> <span class='hs-varop'>++</span>
<a name="line-137"></a> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-138"></a>
<a name="line-139"></a>
<a name="line-140"></a><a name="tediousSize"></a><span class='hs-definition'>tediousSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-141"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span>
<a name="line-142"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-143"></a><span class='hs-definition'>tediousSize</span> <span class='hs-varid'>k</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>updateProgressData</span> <span class='hs-varid'>k</span> <span class='hs-varid'>uptot</span>
<a name="line-144"></a> <span class='hs-keyword'>where</span>
<a name="line-145"></a> <span class='hs-varid'>uptot</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>total</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>of</span>
<a name="line-146"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>seq</span> <span class='hs-varid'>ts</span> <span class='hs-varop'>$</span> <span class='hs-varid'>p</span> <span class='hs-layout'>{</span> <span class='hs-varid'>total</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>ts</span> <span class='hs-layout'>}</span>
<a name="line-147"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span> <span class='hs-varop'>+</span> <span class='hs-varid'>s</span>
<a name="line-148"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-layout'>{</span> <span class='hs-varid'>total</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>s</span> <span class='hs-layout'>}</span>
<a name="line-149"></a>
<a name="line-150"></a>
<a name="line-151"></a><a name="minlist"></a><span class='hs-comment'>-- | XXX: document this constant</span>
<a name="line-152"></a><span class='hs-definition'>minlist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-153"></a><span class='hs-definition'>minlist</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>4</span>
<a name="line-154"></a>
<a name="line-155"></a>
<a name="line-156"></a><a name="progressList"></a><span class='hs-definition'>progressList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-157"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-158"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-159"></a><span class='hs-definition'>progressList</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-160"></a><span class='hs-definition'>progressList</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>l</span> <span class='hs-varop'><</span> <span class='hs-varid'>minlist</span>
<a name="line-161"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span>
<a name="line-162"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>startit</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>pl</span> <span class='hs-varid'>xs</span>
<a name="line-163"></a> <span class='hs-keyword'>where</span>
<a name="line-164"></a> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>length</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-165"></a>
<a name="line-166"></a> <span class='hs-varid'>startit</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-167"></a> <span class='hs-varid'>beginTedious</span> <span class='hs-varid'>k</span>
<a name="line-168"></a> <span class='hs-varid'>tediousSize</span> <span class='hs-varid'>k</span> <span class='hs-varid'>l</span>
<a name="line-169"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>y</span>
<a name="line-170"></a>
<a name="line-171"></a> <span class='hs-varid'>pl</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-172"></a> <span class='hs-varid'>pl</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-173"></a> <span class='hs-varid'>endTedious</span> <span class='hs-varid'>k</span>
<a name="line-174"></a> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span>
<a name="line-175"></a> <span class='hs-varid'>pl</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>progress</span> <span class='hs-varid'>k</span> <span class='hs-varid'>y</span> <span class='hs-conop'>:</span> <span class='hs-varid'>pl</span> <span class='hs-varid'>ys</span>
<a name="line-176"></a>
<a name="line-177"></a>
<a name="line-178"></a><a name="progress"></a><span class='hs-definition'>progress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-179"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-180"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-181"></a><span class='hs-definition'>progress</span> <span class='hs-varid'>k</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>progressIO</span> <span class='hs-varid'>k</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-182"></a>
<a name="line-183"></a>
<a name="line-184"></a><a name="progressIO"></a><span class='hs-definition'>progressIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-185"></a><span class='hs-definition'>progressIO</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-186"></a><span class='hs-definition'>progressIO</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-187"></a> <span class='hs-varid'>updateProgressData</span> <span class='hs-varid'>k</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span>
<a name="line-188"></a> <span class='hs-varid'>p</span> <span class='hs-layout'>{</span> <span class='hs-varid'>sofar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sofar</span> <span class='hs-varid'>p</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-varid'>latest</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span> <span class='hs-layout'>}</span>
<a name="line-189"></a> <span class='hs-varid'>putDebug</span> <span class='hs-varid'>k</span> <span class='hs-str'>""</span>
<a name="line-190"></a>
<a name="line-191"></a>
<a name="line-192"></a><a name="progressKeepLatest"></a><span class='hs-definition'>progressKeepLatest</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-193"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-194"></a> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-195"></a><span class='hs-definition'>progressKeepLatest</span> <span class='hs-varid'>k</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>progressKeepLatestIO</span> <span class='hs-varid'>k</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-196"></a>
<a name="line-197"></a>
<a name="line-198"></a><a name="progressKeepLatestIO"></a><span class='hs-definition'>progressKeepLatestIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-199"></a><span class='hs-definition'>progressKeepLatestIO</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-200"></a><span class='hs-definition'>progressKeepLatestIO</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-201"></a> <span class='hs-varid'>updateProgressData</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-layout'>{</span><span class='hs-varid'>sofar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sofar</span> <span class='hs-varid'>p</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-202"></a> <span class='hs-varid'>putDebug</span> <span class='hs-varid'>k</span> <span class='hs-str'>""</span>
<a name="line-203"></a>
<a name="line-204"></a>
<a name="line-205"></a><a name="finishedOne"></a><span class='hs-definition'>finishedOne</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-206"></a><span class='hs-definition'>finishedOne</span> <span class='hs-varid'>k</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>finishedOneIO</span> <span class='hs-varid'>k</span> <span class='hs-varid'>l</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-207"></a>
<a name="line-208"></a>
<a name="line-209"></a><a name="finishedOneIO"></a><span class='hs-definition'>finishedOneIO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-210"></a><span class='hs-definition'>finishedOneIO</span> <span class='hs-str'>""</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-211"></a><span class='hs-definition'>finishedOneIO</span> <span class='hs-varid'>k</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-212"></a> <span class='hs-varid'>updateProgressData</span> <span class='hs-varid'>k</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-layout'>{</span> <span class='hs-varid'>sofar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sofar</span> <span class='hs-varid'>p</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span>
<a name="line-213"></a> <span class='hs-varid'>latest</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>l</span> <span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-214"></a> <span class='hs-varid'>putDebug</span> <span class='hs-varid'>k</span> <span class='hs-varid'>l</span>
<a name="line-215"></a>
<a name="line-216"></a>
<a name="line-217"></a><a name="putDebug"></a><span class='hs-definition'>putDebug</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-218"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-219"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-220"></a><span class='hs-definition'>putDebug</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-221"></a><span class='hs-comment'>--putDebug k "" = when (False && debugMode) $ hPutStrLn stderr $ "P: "++k</span>
<a name="line-222"></a><span class='hs-comment'>--putDebug k l = when (False && debugMode) $ hPutStrLn stderr $ "P: "++k++" : "++l</span>
<a name="line-223"></a>
<a name="line-224"></a>
<a name="line-225"></a><span class='hs-sel'>_progressMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IORef</span> <span class='hs-conid'>Bool</span>
<a name="line-226"></a><span class='hs-sel'>_progressMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-227"></a> <span class='hs-varid'>hSetBuffering</span> <span class='hs-varid'>stderr</span> <span class='hs-conid'>LineBuffering</span>
<a name="line-228"></a> <span class='hs-varid'>newIORef</span> <span class='hs-conid'>True</span>
<a name="line-229"></a><span class='hs-comment'>{-# NOINLINE _progressMode #-}</span>
<a name="line-230"></a>
<a name="line-231"></a><span class='hs-sel'>_progressData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IORef</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-conid'>ProgressData</span><span class='hs-layout'>)</span>
<a name="line-232"></a><span class='hs-sel'>_progressData</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-233"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forkIO</span> <span class='hs-varid'>handleProgress</span>
<a name="line-234"></a> <span class='hs-varid'>newIORef</span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-varid'>empty</span><span class='hs-layout'>)</span>
<a name="line-235"></a><span class='hs-comment'>{-# NOINLINE _progressData #-}</span>
<a name="line-236"></a>
<a name="line-237"></a>
<a name="line-238"></a><a name="mkhPutCr"></a><span class='hs-definition'>mkhPutCr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span>
<a name="line-239"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-240"></a><span class='hs-definition'>mkhPutCr</span> <span class='hs-varid'>fe</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-241"></a> <span class='hs-varid'>isTerm</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hIsTerminalDevice</span> <span class='hs-varid'>fe</span>
<a name="line-242"></a> <span class='hs-varid'>stdoutIsTerm</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hIsTerminalDevice</span> <span class='hs-varid'>stdout</span>
<a name="line-243"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span>
<a name="line-244"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>isTerm</span>
<a name="line-245"></a> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-246"></a> <span class='hs-varid'>hPutStr</span> <span class='hs-varid'>fe</span> <span class='hs-varop'>$</span> <span class='hs-chr'>'\r'</span><span class='hs-conop'>:</span><span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\r"</span>
<a name="line-247"></a> <span class='hs-varid'>hFlush</span> <span class='hs-varid'>fe</span>
<a name="line-248"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>spaces</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\r'</span><span class='hs-conop'>:</span><span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\r"</span>
<a name="line-249"></a> <span class='hs-varid'>hPutStr</span> <span class='hs-varid'>fe</span> <span class='hs-varid'>spaces</span>
<a name="line-250"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>stdoutIsTerm</span> <span class='hs-varop'>$</span> <span class='hs-varid'>hPutStr</span> <span class='hs-varid'>stdout</span> <span class='hs-varid'>spaces</span>
<a name="line-251"></a> <span class='hs-keyword'>else</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-varid'>null</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>hPutStrLn</span> <span class='hs-varid'>fe</span> <span class='hs-varid'>s</span>
<a name="line-252"></a> <span class='hs-varid'>hFlush</span> <span class='hs-varid'>fe</span>
<a name="line-253"></a>
<a name="line-254"></a>
<a name="line-255"></a><a name="setProgressMode"></a><span class='hs-definition'>setProgressMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-256"></a><span class='hs-definition'>setProgressMode</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writeIORef</span> <span class='hs-sel'>_progressMode</span> <span class='hs-varid'>m</span>
<a name="line-257"></a>
<a name="line-258"></a>
<a name="line-259"></a><a name="withoutProgress"></a><span class='hs-definition'>withoutProgress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-260"></a><span class='hs-definition'>withoutProgress</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>m</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-261"></a> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Disabling progress reports..."</span>
<a name="line-262"></a> <span class='hs-varid'>setProgressMode</span> <span class='hs-conid'>False</span>
<a name="line-263"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>j</span> <span class='hs-varop'>`onException`</span> <span class='hs-varid'>setProgressMode</span> <span class='hs-varid'>m</span>
<a name="line-264"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Reenabling progress reports."</span>
<a name="line-265"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>debugMessage</span> <span class='hs-str'>"Leaving progress reports off."</span>
<a name="line-266"></a> <span class='hs-varid'>setProgressMode</span> <span class='hs-varid'>m</span>
<a name="line-267"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-268"></a>
<a name="line-269"></a>
<a name="line-270"></a><a name="updateProgressData"></a><span class='hs-definition'>updateProgressData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-271"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>ProgressData</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ProgressData</span><span class='hs-layout'>)</span>
<a name="line-272"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-273"></a><span class='hs-definition'>updateProgressData</span> <span class='hs-varid'>k</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
<a name="line-274"></a> <span class='hs-varid'>whenProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-varid'>modifyIORef</span> <span class='hs-sel'>_progressData</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span><span class='hs-varid'>adjust</span> <span class='hs-varid'>f</span> <span class='hs-varid'>k</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-275"></a>
<a name="line-276"></a>
<a name="line-277"></a><a name="setProgressData"></a><span class='hs-definition'>setProgressData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-278"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ProgressData</span>
<a name="line-279"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-280"></a><span class='hs-definition'>setProgressData</span> <span class='hs-varid'>k</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span>
<a name="line-281"></a> <span class='hs-varid'>whenProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-varid'>modifyIORef</span> <span class='hs-sel'>_progressData</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>insert</span> <span class='hs-varid'>k</span> <span class='hs-varid'>p</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-282"></a>
<a name="line-283"></a>
<a name="line-284"></a><a name="getProgressData"></a><span class='hs-definition'>getProgressData</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>ProgressData</span><span class='hs-layout'>)</span>
<a name="line-285"></a><span class='hs-definition'>getProgressData</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span>
<a name="line-286"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>p</span>
<a name="line-287"></a> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>k</span> <span class='hs-varop'>.</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>readIORef</span> <span class='hs-sel'>_progressData</span>
<a name="line-288"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-289"></a>
<a name="line-290"></a>
<a name="line-291"></a><a name="getProgressLast"></a><span class='hs-definition'>getProgressLast</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span>
<a name="line-292"></a><span class='hs-definition'>getProgressLast</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span>
<a name="line-293"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>p</span>
<a name="line-294"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>readIORef</span> <span class='hs-sel'>_progressData</span>
<a name="line-295"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-str'>""</span>
<a name="line-296"></a>
<a name="line-297"></a>
<a name="line-298"></a><a name="whenProgressMode"></a><span class='hs-definition'>whenProgressMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-299"></a><span class='hs-definition'>whenProgressMode</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withProgressMode</span> <span class='hs-varop'>$</span> <span class='hs-varid'>const</span> <span class='hs-varop'>$</span> <span class='hs-varid'>j</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-300"></a>
<a name="line-301"></a>
<a name="line-302"></a><a name="withProgressMode"></a><span class='hs-definition'>withProgressMode</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-303"></a><span class='hs-definition'>withProgressMode</span> <span class='hs-varid'>j</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readIORef</span> <span class='hs-sel'>_progressMode</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>j</span>
<a name="line-304"></a>
<a name="line-305"></a>
</pre></body>
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