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<pre><a name="line-1"></a><span class='hs-comment'>-- Copyright (C) 2007 David Roundy</span>
<a name="line-2"></a><span class='hs-comment'>--</span>
<a name="line-3"></a><span class='hs-comment'>-- This program is free software; you can redistribute it and/or modify</span>
<a name="line-4"></a><span class='hs-comment'>-- it under the terms of the GNU General Public License as published by</span>
<a name="line-5"></a><span class='hs-comment'>-- the Free Software Foundation; either version 2, or (at your option)</span>
<a name="line-6"></a><span class='hs-comment'>-- any later version.</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- This program is distributed in the hope that it will be useful,</span>
<a name="line-9"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-10"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="line-11"></a><span class='hs-comment'>-- GNU General Public License for more details.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- You should have received a copy of the GNU General Public License</span>
<a name="line-14"></a><span class='hs-comment'>-- along with this program; see the file COPYING. If not, write to</span>
<a name="line-15"></a><span class='hs-comment'>-- the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="line-16"></a><span class='hs-comment'>-- Boston, MA 02110-1301, USA.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-comment'>{-# OPTIONS_GHC -cpp -fglasgow-exts #-}</span>
<a name="line-19"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-20"></a><span class='hs-comment'>-- , TypeOperators, GADTs #-}</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>Patchy</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Patchy</span><span class='hs-layout'>,</span>
<a name="line-25"></a> <span class='hs-conid'>Apply</span><span class='hs-layout'>,</span> <span class='hs-varid'>apply</span><span class='hs-layout'>,</span> <span class='hs-varid'>applyAndTryToFix</span><span class='hs-layout'>,</span> <span class='hs-varid'>applyAndTryToFixFL</span><span class='hs-layout'>,</span>
<a name="line-26"></a> <span class='hs-varid'>mapMaybeSnd</span><span class='hs-layout'>,</span>
<a name="line-27"></a> <span class='hs-conid'>Commute</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>commuteFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>commuteRL</span><span class='hs-layout'>,</span> <span class='hs-varid'>commuteRLFL</span><span class='hs-layout'>,</span>
<a name="line-28"></a> <span class='hs-varid'>mergeFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>toFwdCommute</span><span class='hs-layout'>,</span> <span class='hs-varid'>toRevCommute</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-conid'>ShowPatch</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-conid'>ReadPatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>readPatch'</span><span class='hs-layout'>,</span> <span class='hs-varid'>bracketedFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>peekfor</span><span class='hs-layout'>,</span>
<a name="line-31"></a> <span class='hs-conid'>Invert</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>invertFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>invertRL</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a>
<a name="line-33"></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'>liftM</span> <span class='hs-layout'>)</span>
<a name="line-34"></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'>fromJust</span> <span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Word8</span> <span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>nub</span> <span class='hs-layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Storage</span><span class='hs-varop'>.</span><span class='hs-conid'>Hashed</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-layout'>(</span> <span class='hs-conid'>TreeIO</span> <span class='hs-layout'>)</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Sealed</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Sealed2</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>seal2</span> <span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Patch</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadMonads</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ParserM</span><span class='hs-layout'>,</span> <span class='hs-varid'>lex_eof</span><span class='hs-layout'>,</span> <span class='hs-varid'>peek_input</span><span class='hs-layout'>,</span> <span class='hs-varid'>my_lex</span><span class='hs-layout'>,</span> <span class='hs-varid'>work</span><span class='hs-layout'>,</span> <span class='hs-varid'>alter_input</span> <span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Witnesses</span><span class='hs-varop'>.</span><span class='hs-conid'>Ordered</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Printer</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Doc</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>text</span> <span class='hs-layout'>)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Lock</span> <span class='hs-layout'>(</span> <span class='hs-varid'>writeDocBinFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>gzWriteDocFile</span> <span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span> <span class='hs-conid'>WriteableDirectory</span> <span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Darcs</span><span class='hs-varop'>.</span><span class='hs-conid'>Flags</span> <span class='hs-layout'>(</span> <span class='hs-conid'>DarcsFlag</span> <span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>English</span> <span class='hs-layout'>(</span> <span class='hs-varid'>plural</span><span class='hs-layout'>,</span> <span class='hs-conid'>Noun</span><span class='hs-layout'>(</span><span class='hs-conid'>Noun</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-47"></a>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>ByteStringUtils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>ifHeadThenTail</span><span class='hs-layout'>,</span> <span class='hs-varid'>dropSpace</span> <span class='hs-layout'>)</span>
<a name="line-49"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BC</span> <span class='hs-layout'>(</span><span class='hs-varid'>pack</span><span class='hs-layout'>,</span> <span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='hs-comment'>--import Darcs.ColorPrinter ( traceDoc )</span>
<a name="line-52"></a><span class='hs-comment'>--import Printer ( greenText, ($$) )</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="Patchy"></a><span class='hs-keyword'>class</span> <span class='hs-layout'>(</span><span class='hs-conid'>Apply</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ShowPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Invert</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Patchy</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-55"></a><span class='hs-comment'>-- instance (ShowPatch p, Invert p) => Patchy p where</span>
<a name="line-56"></a>
<a name="line-57"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-58"></a> <span class='hs-varid'>apply</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WriteableDirectory</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>DarcsFlag</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-59"></a> <span class='hs-varid'>apply</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>mp'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-varid'>p</span>
<a name="line-60"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mp'</span> <span class='hs-keyword'>of</span>
<a name="line-61"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-62"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to apply a patch: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>e</span>
<a name="line-63"></a> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WriteableDirectory</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-64"></a> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>apply</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span><span class='hs-layout'>;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-65"></a> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WriteableDirectory</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-66"></a> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapMaybeSnd</span> <span class='hs-layout'>(</span><span class='hs-conop'>:>:</span><span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-varop'>`liftM`</span> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-varid'>p</span>
<a name="line-67"></a>
<a name="line-68"></a><a name="mapMaybeSnd"></a><span class='hs-definition'>mapMaybeSnd</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-69"></a><span class='hs-definition'>mapMaybeSnd</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>f</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-70"></a><span class='hs-definition'>mapMaybeSnd</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-71"></a>
<a name="line-72"></a><span class='hs-comment'>-- | Things that can commute.</span>
<a name="line-73"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-74"></a> <span class='hs-varid'>commute</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-75"></a> <span class='hs-varid'>merge</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-76"></a> <span class='hs-varid'>listTouchedFiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span>
<a name="line-77"></a> <span class='hs-varid'>hunkMatches</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="toFwdCommute"></a><span class='hs-comment'>-- | Swaps the ordered pair type so that commute can be</span>
<a name="line-80"></a><span class='hs-comment'>-- called directly.</span>
<a name="line-81"></a><span class='hs-definition'>toFwdCommute</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>q</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span>
<a name="line-82"></a> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>q</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-83"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-84"></a><span class='hs-definition'>toFwdCommute</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:></span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>x'</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>y'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-85"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>y'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>x'</span><span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="toRevCommute"></a><span class='hs-comment'>-- | Swaps the ordered pair type from the order expected</span>
<a name="line-88"></a><span class='hs-comment'>-- by commute to the reverse order.</span>
<a name="line-89"></a><span class='hs-definition'>toRevCommute</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>q</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span>
<a name="line-90"></a> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>q</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-92"></a><span class='hs-definition'>toRevCommute</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>x'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>y'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-conop'>:></span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-93"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>y'</span> <span class='hs-conop'>:<</span> <span class='hs-varid'>x'</span><span class='hs-layout'>)</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="ShowPatch"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ShowPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-96"></a> <span class='hs-varid'>showPatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-97"></a> <span class='hs-varid'>showNicely</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-98"></a> <span class='hs-varid'>showNicely</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showPatch</span>
<a name="line-99"></a> <span class='hs-varid'>showContextPatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TreeIO</span> <span class='hs-conid'>Doc</span>
<a name="line-100"></a> <span class='hs-varid'>showContextPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>p</span>
<a name="line-101"></a> <span class='hs-varid'>description</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-102"></a> <span class='hs-varid'>description</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showPatch</span>
<a name="line-103"></a> <span class='hs-varid'>summary</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-104"></a> <span class='hs-varid'>summary</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showPatch</span>
<a name="line-105"></a> <span class='hs-varid'>writePatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-106"></a> <span class='hs-varid'>writePatch</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>writeDocBinFile</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>p</span> <span class='hs-varop'><></span> <span class='hs-varid'>text</span> <span class='hs-str'>"\n"</span>
<a name="line-107"></a> <span class='hs-varid'>gzWritePatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-108"></a> <span class='hs-varid'>gzWritePatch</span> <span class='hs-varid'>f</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gzWriteDocFile</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showPatch</span> <span class='hs-varid'>p</span> <span class='hs-varop'><></span> <span class='hs-varid'>text</span> <span class='hs-str'>"\n"</span>
<a name="line-109"></a> <span class='hs-varid'>thing</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-110"></a> <span class='hs-varid'>thing</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"patch"</span>
<a name="line-111"></a> <span class='hs-varid'>things</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-112"></a> <span class='hs-varid'>things</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>plural</span> <span class='hs-layout'>(</span><span class='hs-conid'>Noun</span> <span class='hs-varop'>$</span> <span class='hs-varid'>thing</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span>
<a name="line-113"></a>
<a name="line-114"></a><a name="Bool"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-115"></a> <span class='hs-varid'>readPatch'</span>
<a name="line-116"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-117"></a>
<a name="line-118"></a><a name="Invert"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>MyEq</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Invert</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>where</span>
<a name="line-119"></a> <span class='hs-varid'>invert</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-120"></a> <span class='hs-varid'>identity</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-121"></a> <span class='hs-varid'>sloppyIdentity</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>EqCheck</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-122"></a> <span class='hs-varid'>sloppyIdentity</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>identity</span> <span class='hs-varop'>=\/=</span> <span class='hs-varid'>p</span>
<a name="line-123"></a>
<a name="line-124"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-125"></a> <span class='hs-varid'>apply</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>NilFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-126"></a> <span class='hs-varid'>apply</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-conop'>:>:</span><span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>apply</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>p</span> <span class='hs-varop'>>></span> <span class='hs-varid'>apply</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>ps</span>
<a name="line-127"></a> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-conid'>NilFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-128"></a> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-conop'>:>:</span><span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>mp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-varid'>p</span>
<a name="line-129"></a> <span class='hs-varid'>mps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>applyAndTryToFix</span> <span class='hs-varid'>ps</span>
<a name="line-130"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>mp</span><span class='hs-layout'>,</span><span class='hs-varid'>mps</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-131"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span>
<a name="line-132"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>p'</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>p'</span><span class='hs-varop'>+>+</span><span class='hs-varid'>ps</span><span class='hs-layout'>)</span>
<a name="line-133"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>ps'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>p</span><span class='hs-conop'>:>:</span><span class='hs-varid'>ps'</span><span class='hs-layout'>)</span>
<a name="line-134"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>p'</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>es</span><span class='hs-layout'>,</span><span class='hs-varid'>ps'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-135"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>unlines</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span><span class='hs-varid'>es</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-varid'>p'</span><span class='hs-varop'>+>+</span><span class='hs-varid'>ps'</span><span class='hs-layout'>)</span>
<a name="line-136"></a>
<a name="line-137"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Commute</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-138"></a> <span class='hs-varid'>commute</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilFL</span> <span class='hs-conop'>:></span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:></span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span>
<a name="line-139"></a> <span class='hs-varid'>commute</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:></span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilFL</span> <span class='hs-conop'>:></span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-140"></a> <span class='hs-varid'>commute</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</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-keyword'>do</span> <span class='hs-varid'>ys'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>rxs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commuteRLFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverseFL</span> <span class='hs-varid'>xs</span> <span class='hs-conop'>:></span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-141"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ys'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>reverseRL</span> <span class='hs-varid'>rxs'</span>
<a name="line-142"></a> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilFL</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:/\:</span> <span class='hs-conid'>NilFL</span>
<a name="line-143"></a> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:\/:</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NilFL</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>x</span>
<a name="line-144"></a> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</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-conop'>:\/:</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ys'</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mergeFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-145"></a> <span class='hs-varid'>xs'</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>ys''</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</span><span class='hs-varid'>ys'</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-146"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>ys''</span> <span class='hs-conop'>:/\:</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-layout'>)</span>
<a name="line-147"></a> <span class='hs-varid'>listTouchedFiles</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>nub</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapFL</span> <span class='hs-varid'>listTouchedFiles</span> <span class='hs-varid'>xs</span>
<a name="line-148"></a> <span class='hs-varid'>hunkMatches</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>or</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>hunkMatches</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-149"></a>
<a name="line-150"></a><a name="mergeFL"></a><span class='hs-definition'>mergeFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:\/:</span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-151"></a><span class='hs-definition'>mergeFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:\/:</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NilFL</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>p</span>
<a name="line-152"></a><span class='hs-definition'>mergeFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:\/:</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-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>x'</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>p'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-153"></a> <span class='hs-varid'>xs'</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>p''</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mergeFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>p'</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-154"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</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-conop'>:/\:</span> <span class='hs-varid'>p''</span><span class='hs-layout'>)</span>
<a name="line-155"></a>
<a name="line-156"></a><a name="commuteRLFL"></a><span class='hs-definition'>commuteRLFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>RL</span> <span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-conid'>RL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-157"></a><span class='hs-definition'>commuteRLFL</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilRL</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-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>ys</span> <span class='hs-conop'>:></span> <span class='hs-conid'>NilRL</span><span class='hs-layout'>)</span>
<a name="line-158"></a><span class='hs-definition'>commuteRLFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-conop'>:></span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilFL</span> <span class='hs-conop'>:></span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-159"></a><span class='hs-definition'>commuteRLFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-conop'>:></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-keyword'>do</span> <span class='hs-varid'>y'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>xs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commuteRL</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-conop'>:></span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-160"></a> <span class='hs-varid'>ys'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>xs''</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commuteRLFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-161"></a> <span class='hs-varid'>return</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-conop'>:></span> <span class='hs-varid'>xs''</span><span class='hs-layout'>)</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="commuteRL"></a><span class='hs-definition'>commuteRL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>RL</span> <span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-conid'>RL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-164"></a><span class='hs-definition'>commuteRL</span> <span class='hs-layout'>(</span><span class='hs-varid'>z</span> <span class='hs-conop'>:<:</span> <span class='hs-varid'>zs</span> <span class='hs-conop'>:></span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>w'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>z'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commute</span> <span class='hs-layout'>(</span><span class='hs-varid'>z</span> <span class='hs-conop'>:></span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-165"></a> <span class='hs-varid'>w''</span> <span class='hs-conop'>:></span> <span class='hs-varid'>zs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commuteRL</span> <span class='hs-layout'>(</span><span class='hs-varid'>zs</span> <span class='hs-conop'>:></span> <span class='hs-varid'>w'</span><span class='hs-layout'>)</span>
<a name="line-166"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>w''</span> <span class='hs-conop'>:></span> <span class='hs-varid'>z'</span> <span class='hs-conop'>:<:</span> <span class='hs-varid'>zs'</span><span class='hs-layout'>)</span>
<a name="line-167"></a><span class='hs-definition'>commuteRL</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilRL</span> <span class='hs-conop'>:></span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-conop'>:></span> <span class='hs-conid'>NilRL</span><span class='hs-layout'>)</span>
<a name="line-168"></a>
<a name="line-169"></a><a name="commuteFL"></a><span class='hs-definition'>commuteFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed2</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-170"></a><span class='hs-definition'>commuteFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span> <span class='hs-conop'>:></span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-conid'>NilFL</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-171"></a><span class='hs-definition'>commuteFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span> <span class='hs-conop'>:>:</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>commute</span> <span class='hs-layout'>(</span><span class='hs-varid'>q</span> <span class='hs-conop'>:></span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-172"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>p'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>q'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span>
<a name="line-173"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>commuteFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>q'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-174"></a> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>ps'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>q''</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>p'</span> <span class='hs-conop'>:>:</span> <span class='hs-varid'>ps'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>q''</span><span class='hs-layout'>)</span>
<a name="line-175"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varid'>l</span>
<a name="line-176"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varop'>$</span> <span class='hs-varid'>seal2</span> <span class='hs-varid'>p</span>
<a name="line-177"></a>
<a name="line-178"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ReadPatch</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-179"></a> <span class='hs-varid'>readPatch'</span> <span class='hs-varid'>want_eof</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>`liftM`</span> <span class='hs-varid'>read_patches</span>
<a name="line-180"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>read_patches</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-181"></a> <span class='hs-varid'>read_patches</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-comment'>--tracePeek "starting FL read"</span>
<a name="line-182"></a> <span class='hs-varid'>mp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readPatch'</span> <span class='hs-conid'>False</span>
<a name="line-183"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mp</span> <span class='hs-keyword'>of</span>
<a name="line-184"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-comment'>--tracePeek "found one patch"</span>
<a name="line-185"></a> <span class='hs-conid'>Sealed</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>read_patches</span>
<a name="line-186"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-conop'>:>:</span><span class='hs-varid'>ps</span><span class='hs-layout'>)</span>
<a name="line-187"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>want_eof</span>
<a name="line-188"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-comment'>--tracePeek "no more patches"</span>
<a name="line-189"></a> <span class='hs-varid'>unit'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lex_eof</span>
<a name="line-190"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>unit'</span> <span class='hs-keyword'>of</span>
<a name="line-191"></a> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sealed</span> <span class='hs-conid'>NilFL</span>
<a name="line-192"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-comment'>--tracePeek "no more patches"</span>
<a name="line-193"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sealed</span> <span class='hs-conid'>NilFL</span>
<a name="line-194"></a><span class='hs-comment'>-- tracePeek x = do y <- peek_input</span>
<a name="line-195"></a><span class='hs-comment'>-- traceDoc (greenText x $$ greenText (show $ sal_to_string y)) return ()</span>
<a name="line-196"></a>
<a name="line-197"></a><a name="bracketedFL"></a><span class='hs-comment'>{-# INLINE bracketedFL #-}</span>
<a name="line-198"></a><span class='hs-definition'>bracketedFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span>
<a name="line-199"></a> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-200"></a><span class='hs-definition'>bracketedFL</span> <span class='hs-varid'>pre</span> <span class='hs-varid'>post</span> <span class='hs-keyglyph'>=</span>
<a name="line-201"></a> <span class='hs-varid'>peekforw</span> <span class='hs-varid'>pre</span> <span class='hs-varid'>bfl</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-202"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>bfl</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span><span class='hs-layout'>,</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-203"></a> <span class='hs-varid'>bfl</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>peekforw</span> <span class='hs-varid'>post</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sealed</span> <span class='hs-conid'>NilFL</span><span class='hs-layout'>)</span>
<a name="line-204"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readPatch'</span> <span class='hs-conid'>False</span>
<a name="line-205"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>bfl</span>
<a name="line-206"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sealed</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-conop'>:>:</span><span class='hs-varid'>ps</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-207"></a>
<a name="line-208"></a><a name="peekforw"></a><span class='hs-comment'>{-# INLINE peekforw #-}</span>
<a name="line-209"></a><span class='hs-definition'>peekforw</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-210"></a><span class='hs-definition'>peekforw</span> <span class='hs-varid'>w</span> <span class='hs-varid'>ifstr</span> <span class='hs-varid'>ifnot</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>peek_input</span>
<a name="line-211"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ifHeadThenTail</span> <span class='hs-varid'>w</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropSpace</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-212"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>alter_input</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>ifstr</span>
<a name="line-213"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ifnot</span>
<a name="line-214"></a>
<a name="line-215"></a><a name="peekforPS"></a><span class='hs-definition'>peekforPS</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-216"></a><span class='hs-definition'>peekforPS</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>ifstr</span> <span class='hs-varid'>ifnot</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>peek_input</span>
<a name="line-217"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>ps</span> <span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fst</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>my_lex</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-218"></a> <span class='hs-conid'>Just</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>work</span> <span class='hs-varid'>my_lex</span> <span class='hs-varop'>>></span> <span class='hs-varid'>ifstr</span>
<a name="line-219"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ifnot</span>
<a name="line-220"></a>
<a name="line-221"></a><a name="peekfor"></a><span class='hs-comment'>{-# INLINE peekfor #-}</span>
<a name="line-222"></a><span class='hs-definition'>peekfor</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParserM</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-223"></a><span class='hs-definition'>peekfor</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>peekforPS</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BC</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span>
<a name="line-224"></a>
<a name="line-225"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Apply</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>RL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-226"></a> <span class='hs-varid'>apply</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>NilRL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-227"></a> <span class='hs-varid'>apply</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-conop'>:<:</span><span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>apply</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>ps</span> <span class='hs-varop'>>></span> <span class='hs-varid'>apply</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>p</span>
<a name="line-228"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Commute</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Commute</span> <span class='hs-layout'>(</span><span class='hs-conid'>RL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-229"></a> <span class='hs-varid'>commute</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</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-keyword'>do</span> <span class='hs-varid'>fys'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>xs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>commuteRLFL</span> <span class='hs-layout'>(</span><span class='hs-varid'>xs</span> <span class='hs-conop'>:></span> <span class='hs-varid'>reverseRL</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-230"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverseFL</span> <span class='hs-varid'>fys'</span> <span class='hs-conop'>:></span> <span class='hs-varid'>xs'</span><span class='hs-layout'>)</span>
<a name="line-231"></a> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>merge</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverseRL</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:\/:</span> <span class='hs-varid'>reverseRL</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-232"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ry'</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>rx'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>reverseFL</span> <span class='hs-varid'>ry'</span> <span class='hs-conop'>:/\:</span> <span class='hs-varid'>reverseFL</span> <span class='hs-varid'>rx'</span>
<a name="line-233"></a> <span class='hs-varid'>listTouchedFiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>listTouchedFiles</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverseRL</span>
<a name="line-234"></a> <span class='hs-varid'>hunkMatches</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>hunkMatches</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverseRL</span>
<a name="line-235"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ReadPatch</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ReadPatch</span> <span class='hs-layout'>(</span><span class='hs-conid'>RL</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-236"></a> <span class='hs-varid'>readPatch'</span> <span class='hs-varid'>want_eof</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sealed</span> <span class='hs-varid'>fl</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readPatch'</span> <span class='hs-varid'>want_eof</span>
<a name="line-237"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Sealed</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverseFL</span> <span class='hs-varid'>fl</span>
<a name="line-238"></a>
<a name="line-239"></a><a name="invertFL"></a><span class='hs-definition'>invertFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Invert</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>RL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-240"></a><span class='hs-definition'>invertFL</span> <span class='hs-conid'>NilFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NilRL</span>
<a name="line-241"></a><span class='hs-definition'>invertFL</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-varid'>invert</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:<:</span> <span class='hs-varid'>invertFL</span> <span class='hs-varid'>xs</span>
<a name="line-242"></a>
<a name="line-243"></a><a name="invertRL"></a><span class='hs-definition'>invertRL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Invert</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>RL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FL</span> <span class='hs-varid'>p</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-244"></a><span class='hs-definition'>invertRL</span> <span class='hs-conid'>NilRL</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NilFL</span>
<a name="line-245"></a><span class='hs-definition'>invertRL</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-varid'>invert</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:>:</span> <span class='hs-varid'>invertRL</span> <span class='hs-varid'>xs</span>
</pre></body>
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