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<title>src/Darcs/Patch/Prim/V3/Apply.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP, MultiParamTypeClasses, OverloadedStrings #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# OPTIONS_GHC -fno-warn-orphans #-}</span>
<a name="line-3"></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'>Prim</span><span class='hs-varop'>.</span><span class='hs-conid'>V3</span><span class='hs-varop'>.</span><span class='hs-conid'>Apply</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ObjectMap</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-4"></a>
<a name="line-5"></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'>Apply</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Apply</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-6"></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'>ApplyMonad</span> <span class='hs-layout'>(</span> <span class='hs-conid'>ApplyMonad</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'>ApplyMonadTrans</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'>ToTree</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-7"></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'>Repair</span> <span class='hs-layout'>(</span> <span class='hs-conid'>RepairToFL</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-8"></a>
<a name="line-9"></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'>Prim</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PrimApply</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-10"></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'>Prim</span><span class='hs-varop'>.</span><span class='hs-conid'>V3</span><span class='hs-varop'>.</span><span class='hs-conid'>Core</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Prim</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'>hunkEdit</span> <span class='hs-layout'>)</span>
<a name="line-11"></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'>Prim</span><span class='hs-varop'>.</span><span class='hs-conid'>V3</span><span class='hs-varop'>.</span><span class='hs-conid'>ObjectMap</span>
<a name="line-12"></a>
<a name="line-13"></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-varop'>.</span><span class='hs-conid'>State</span><span class='hs-layout'>(</span> <span class='hs-conid'>StateT</span><span class='hs-layout'>,</span> <span class='hs-varid'>runStateT</span><span class='hs-layout'>,</span> <span class='hs-varid'>gets</span><span class='hs-layout'>,</span> <span class='hs-varid'>lift</span><span class='hs-layout'>,</span> <span class='hs-varid'>put</span> <span class='hs-layout'>)</span>
<a name="line-14"></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'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>M</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-comment'>-- import Darcs.Patch.ApplyMonad ( ApplyMonad(..) )</span>
<a name="line-17"></a>
<a name="line-18"></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> <span class='hs-layout'>(</span> <span class='hs-conid'>FL</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-19"></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'>Hash</span><span class='hs-layout'>(</span> <span class='hs-conid'>Hash</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-22"></a><span class='hs-cpp'>#include "impossible.h"</span>
<a name="line-23"></a>
<a name="line-24"></a><a name="instance%20Apply%20Prim"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Apply</span> <span class='hs-conid'>Prim</span> <span class='hs-keyword'>where</span>
<a name="line-25"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>ApplyState</span> <span class='hs-conid'>Prim</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ObjectMap</span>
<a name="line-26"></a> <span class='hs-varid'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Manifest</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-varid'>dirid</span><span class='hs-layout'>,</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>editDirectory</span> <span class='hs-varid'>dirid</span> <span class='hs-layout'>(</span><span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>name</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span>
<a name="line-27"></a> <span class='hs-varid'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Demanifest</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-varid'>dirid</span><span class='hs-layout'>,</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>editDirectory</span> <span class='hs-varid'>dirid</span> <span class='hs-layout'>(</span><span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>delete</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span>
<a name="line-28"></a> <span class='hs-varid'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>TextHunk</span> <span class='hs-varid'>id</span> <span class='hs-varid'>hunk</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>editFile</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-varid'>hunkEdit</span> <span class='hs-varid'>hunk</span><span class='hs-layout'>)</span>
<a name="line-29"></a> <span class='hs-varid'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>BinaryHunk</span> <span class='hs-varid'>id</span> <span class='hs-varid'>hunk</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>editFile</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-varid'>hunkEdit</span> <span class='hs-varid'>hunk</span><span class='hs-layout'>)</span>
<a name="line-30"></a>
<a name="line-31"></a><a name="instance%20RepairToFL%20Prim"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>RepairToFL</span> <span class='hs-conid'>Prim</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a> <span class='hs-varid'>applyAndTryToFixFL</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>apply</span> <span class='hs-varid'>p</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-33"></a>
<a name="line-34"></a><a name="instance%20PrimApply%20Prim"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PrimApply</span> <span class='hs-conid'>Prim</span> <span class='hs-keyword'>where</span>
<a name="line-35"></a> <span class='hs-varid'>applyPrimFL</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-36"></a> <span class='hs-varid'>applyPrimFL</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'>p</span> <span class='hs-varop'>>></span> <span class='hs-varid'>applyPrimFL</span> <span class='hs-varid'>ps</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="instance%20UUID%20-%3e%20(Maybe%20(Object%20m)%20-%3e%20Object%20m)%20-%3e%20(StateT%20(ObjectMap%20m)%20m)%20()%20editObject%20id%20edit%20=%20do%20load%20%3c-%20gets%20getObject%20store%20%3c-%20gets%20putObject%20obj%20%3c-%20lift%20$%20load%20id%20new%20%3c-%20lift%20$%20store%20id%20$%20edit%20obj%20put%20new%20return%20()%20instance%20(Functor%20m,%20Monad%20m)%20=%3e%20ApplyMonad%20(StateT%20(ObjectMap%20m)%20m)%20ObjectMap"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ToTree</span> <span class='hs-conid'>ObjectMap</span> <span class='hs-comment'>-- TODO</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="editObject"></a><span class='hs-definition'>editObject</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>UUID</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Object</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Object</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-conid'>StateT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjectMap</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-conid'>()</span>
<a name="line-41"></a><span class='hs-definition'>editObject</span> <span class='hs-varid'>id</span> <span class='hs-varid'>edit</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>load</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>getObject</span>
<a name="line-42"></a> <span class='hs-varid'>store</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>putObject</span>
<a name="line-43"></a> <span class='hs-varid'>obj</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>load</span> <span class='hs-varid'>id</span>
<a name="line-44"></a> <span class='hs-varid'>new</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>store</span> <span class='hs-varid'>id</span> <span class='hs-varop'>$</span> <span class='hs-varid'>edit</span> <span class='hs-varid'>obj</span>
<a name="line-45"></a> <span class='hs-varid'>put</span> <span class='hs-varid'>new</span>
<a name="line-46"></a> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="instance%20ApplyMonad%20(StateT%20(ObjectMap%20m)%20m)%20ObjectMap"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ApplyMonad</span> <span class='hs-layout'>(</span><span class='hs-conid'>StateT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjectMap</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-conid'>ObjectMap</span> <span class='hs-keyword'>where</span>
<a name="line-49"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>ApplyMonadBase</span> <span class='hs-layout'>(</span><span class='hs-conid'>StateT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjectMap</span> <span class='hs-varid'>m</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-varid'>m</span>
<a name="line-50"></a> <span class='hs-varid'>editFile</span> <span class='hs-varid'>id</span> <span class='hs-varid'>edit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>editObject</span> <span class='hs-varid'>id</span> <span class='hs-varid'>edit'</span>
<a name="line-51"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>edit'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Blob</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Blob</span> <span class='hs-layout'>(</span><span class='hs-varid'>edit</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conid'>NoHash</span>
<a name="line-52"></a> <span class='hs-varid'>edit'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Directory</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Directory</span> <span class='hs-varid'>x</span> <span class='hs-comment'>-- error?</span>
<a name="line-53"></a> <span class='hs-varid'>edit'</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Blob</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>edit</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-conid'>NoHash</span>
<a name="line-54"></a> <span class='hs-varid'>editDirectory</span> <span class='hs-varid'>id</span> <span class='hs-varid'>edit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>editObject</span> <span class='hs-varid'>id</span> <span class='hs-varid'>edit'</span>
<a name="line-55"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>edit'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Directory</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Directory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>edit</span> <span class='hs-varid'>x</span>
<a name="line-56"></a> <span class='hs-varid'>edit'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Blob</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-keyglyph'>=</span> <span class='hs-conid'>Blob</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-comment'>-- error?</span>
<a name="line-57"></a> <span class='hs-varid'>edit'</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Directory</span> <span class='hs-varop'>$</span> <span class='hs-varid'>edit</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span>
<a name="line-58"></a>
<a name="line-59"></a><a name="instance%20ApplyMonadTrans%20m%20ObjectMap"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>ApplyMonadTrans</span> <span class='hs-varid'>m</span> <span class='hs-conid'>ObjectMap</span> <span class='hs-keyword'>where</span>
<a name="line-60"></a> <span class='hs-keyword'>type</span> <span class='hs-conid'>ApplyMonadOver</span> <span class='hs-varid'>m</span> <span class='hs-conid'>ObjectMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StateT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ObjectMap</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span>
<a name="line-61"></a> <span class='hs-varid'>runApplyMonad</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runStateT</span>
<a name="line-62"></a>
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