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<title>src/Darcs/Patch/Bracketed.hs</title>
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<pre><a name="line-1"></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'>Bracketed</span>
<a name="line-2"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Bracketed</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'>mapBracketed</span><span class='hs-layout'>,</span> <span class='hs-varid'>unBracketed</span>
<a name="line-3"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>BracketedFL</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapBracketedFL_FL</span><span class='hs-layout'>,</span> <span class='hs-varid'>unBracketedFL</span>
<a name="line-4"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-5"></a>
<a name="line-6"></a><span class='hs-cpp'>#include "gadts.h"</span>
<a name="line-7"></a>
<a name="line-8"></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'>Format</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PatchListFormat</span> <span class='hs-layout'>)</span>
<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'>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> <span class='hs-varid'>mapFL_FL</span><span class='hs-layout'>,</span> <span class='hs-varid'>concatFL</span> <span class='hs-layout'>)</span>
<a name="line-10"></a>
<a name="line-11"></a><a name="Bracketed"></a><span class='hs-comment'>-- |This type exists for legacy support of on-disk format patch formats.</span>
<a name="line-12"></a><a name="Bracketed"></a><span class='hs-comment'>-- It is a wrapper type that explicitly tracks the nesting of braces and parens</span>
<a name="line-13"></a><a name="Bracketed"></a><span class='hs-comment'>-- in the on-disk representation of such patches. It is used as an intermediate</span>
<a name="line-14"></a><a name="Bracketed"></a><span class='hs-comment'>-- form when reading such patches normally, and also for round-tripping such</span>
<a name="line-15"></a><a name="Bracketed"></a><span class='hs-comment'>-- patches when checking the hash in bundles.</span>
<a name="line-16"></a><a name="Bracketed"></a><span class='hs-comment'>-- It shouldn't be used for anything else.</span>
<a name="line-17"></a><a name="Bracketed"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Bracketed</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-keyword'>where</span>
<a name="line-18"></a> <span class='hs-conid'>Singleton</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'>Bracketed</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-comment'>-- A single patch, not wrapped in anything</span>
<a name="line-19"></a> <span class='hs-conid'>Braced</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BracketedFL</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'>Bracketed</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-comment'>-- A list of patches, wrapped in {}</span>
<a name="line-20"></a> <span class='hs-conid'>Parens</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BracketedFL</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'>Bracketed</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-comment'>-- A list of patches, wrapped in ()</span>
<a name="line-21"></a>
<a name="line-22"></a><a name="BracketedFL"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>BracketedFL</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-layout'>(</span><span class='hs-conid'>Bracketed</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-23"></a>
<a name="line-24"></a><a name="unBracketed"></a><span class='hs-definition'>unBracketed</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bracketed</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'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-25"></a><span class='hs-definition'>unBracketed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Singleton</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>p</span> <span class='hs-conop'>:>:</span> <span class='hs-conid'>NilFL</span>
<a name="line-26"></a><span class='hs-definition'>unBracketed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Braced</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unBracketedFL</span> <span class='hs-varid'>ps</span>
<a name="line-27"></a><span class='hs-definition'>unBracketed</span> <span class='hs-layout'>(</span><span class='hs-conid'>Parens</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unBracketedFL</span> <span class='hs-varid'>ps</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="unBracketedFL"></a><span class='hs-definition'>unBracketedFL</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BracketedFL</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'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-definition'>unBracketedFL</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatFL</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-varid'>unBracketed</span>
<a name="line-31"></a>
<a name="line-32"></a><a name="mapBracketed"></a><span class='hs-definition'>mapBracketed</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>FORALL</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</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'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>q</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>a</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'>Bracketed</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'>Bracketed</span> <span class='hs-varid'>q</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-33"></a><span class='hs-definition'>mapBracketed</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Singleton</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Singleton</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
<a name="line-34"></a><span class='hs-definition'>mapBracketed</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Braced</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Braced</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapBracketedFL_FL</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-definition'>mapBracketed</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Parens</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Parens</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapBracketedFL_FL</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ps</span><span class='hs-layout'>)</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="mapBracketedFL_FL"></a><span class='hs-definition'>mapBracketedFL_FL</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>FORALL</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varid'>b</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'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>q</span> <span class='hs-conid'>C</span><span class='hs-layout'>(</span><span class='hs-varid'>a</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'>BracketedFL</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'>BracketedFL</span> <span class='hs-varid'>q</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-38"></a><span class='hs-definition'>mapBracketedFL_FL</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapFL_FL</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapBracketed</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-varid'>ps</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="instance%20PatchListFormat%20(Bracketed%20p)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>PatchListFormat</span> <span class='hs-layout'>(</span><span class='hs-conid'>Bracketed</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span>
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