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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a><span class='hs-cpp'>#ifndef MIN_VERSION_template_haskell</span>
<a name="line-3"></a><span class='hs-cpp'>#define MIN_VERSION_template_haskell(x,y,z) 1</span>
<a name="line-4"></a><span class='hs-cpp'>#endif</span>
<a name="line-5"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Proxy</span><span class='hs-varop'>.</span><span class='hs-conid'>TH</span>
<a name="line-6"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>pr</span>
<a name="line-7"></a><span class='hs-cpp'>#if MIN_VERSION_template_haskell(2,8,0)</span>
<a name="line-8"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pr1</span>
<a name="line-9"></a><span class='hs-cpp'>#endif</span>
<a name="line-10"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-11"></a>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span>
<a name="line-13"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ < 710</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Functor</span>
<a name="line-15"></a><span class='hs-cpp'>#endif</span>
<a name="line-16"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ < 707</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Version</span> <span class='hs-layout'>(</span><span class='hs-varid'>showVersion</span><span class='hs-layout'>)</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Paths_tagged</span>
<a name="line-19"></a><span class='hs-cpp'>#endif</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>TH</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>TH</span><span class='hs-varop'>.</span><span class='hs-conid'>Quote</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>TH</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span>
<a name="line-23"></a>
<a name="line-24"></a><a name="proxy_d"></a><span class='hs-definition'>proxy_d</span><span class='hs-layout'>,</span> <span class='hs-varid'>proxy_tc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Name</span>
<a name="line-25"></a><span class='hs-cpp'>#if __GLASGOW_HASKELL__ >= 707</span>
<a name="line-26"></a><span class='hs-definition'>proxy_d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkNameG_d</span> <span class='hs-str'>"base"</span> <span class='hs-str'>"Data.Proxy"</span> <span class='hs-str'>"Proxy"</span>
<a name="line-27"></a><a name="proxy_tc"></a><span class='hs-definition'>proxy_tc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkNameG_tc</span> <span class='hs-str'>"base"</span> <span class='hs-str'>"Data.Proxy"</span> <span class='hs-str'>"Proxy"</span>
<a name="line-28"></a><span class='hs-cpp'>#else</span>
<a name="line-29"></a><span class='hs-definition'>proxy_d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkNameG_d</span> <span class='hs-varid'>taggedPackageKey</span> <span class='hs-str'>"Data.Proxy"</span> <span class='hs-str'>"Proxy"</span>
<a name="line-30"></a><span class='hs-definition'>proxy_tc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkNameG_tc</span> <span class='hs-varid'>taggedPackageKey</span> <span class='hs-str'>"Data.Proxy"</span> <span class='hs-str'>"Proxy"</span>
<a name="line-31"></a>
<a name="line-32"></a><a name="taggedPackageKey"></a><span class='hs-comment'>-- note: On 7.10+ this would use CURRENT_PACKAGE_KEY if we still housed the key.</span>
<a name="line-33"></a><span class='hs-definition'>taggedPackageKey</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-34"></a><span class='hs-definition'>taggedPackageKey</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"tagged-"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showVersion</span> <span class='hs-varid'>version</span>
<a name="line-35"></a><span class='hs-cpp'>#endif</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="proxyTypeQ"></a><span class='hs-definition'>proxyTypeQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TypeQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TypeQ</span>
<a name="line-38"></a><span class='hs-definition'>proxyTypeQ</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>appT</span> <span class='hs-layout'>(</span><span class='hs-varid'>conT</span> <span class='hs-varid'>proxy_tc</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="proxyExpQ"></a><span class='hs-definition'>proxyExpQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TypeQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ExpQ</span>
<a name="line-41"></a><span class='hs-definition'>proxyExpQ</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sigE</span> <span class='hs-layout'>(</span><span class='hs-varid'>conE</span> <span class='hs-varid'>proxy_d</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>proxyTypeQ</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-42"></a>
<a name="line-43"></a><a name="proxyPatQ"></a><span class='hs-definition'>proxyPatQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TypeQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PatQ</span>
<a name="line-44"></a><span class='hs-definition'>proxyPatQ</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sigP</span> <span class='hs-layout'>(</span><span class='hs-varid'>conP</span> <span class='hs-varid'>proxy_d</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>proxyTypeQ</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-45"></a>
<a name="line-46"></a><span class='hs-comment'>-- | A proxy value quasiquoter. @[pr|T|]@ will splice an expression</span>
<a name="line-47"></a><span class='hs-comment'>-- @Proxy::Proxy T@, while @[pr|A,B,C|]@ will splice in a value of</span>
<a name="line-48"></a><span class='hs-comment'>-- @Proxy :: Proxy [A,B,C]@.</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="pr"></a><span class='hs-comment'>-- TODO: parse a richer syntax for the types involved here so we can include spaces, applications, etc.</span>
<a name="line-51"></a><span class='hs-definition'>pr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QuasiQuoter</span>
<a name="line-52"></a><span class='hs-definition'>pr</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>QuasiQuoter</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkProxy</span> <span class='hs-varid'>proxyExpQ</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkProxy</span> <span class='hs-varid'>proxyPatQ</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkProxy</span> <span class='hs-varid'>proxyTypeQ</span><span class='hs-layout'>)</span> <span class='hs-varid'>undefined</span> <span class='hs-keyword'>where</span>
<a name="line-53"></a> <span class='hs-varid'>mkProxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypeQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>r</span>
<a name="line-54"></a> <span class='hs-varid'>mkProxy</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ts</span> <span class='hs-keyword'>of</span>
<a name="line-55"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>h</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-varid'>t</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isUpper</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-varop'>$</span> <span class='hs-varid'>head</span> <span class='hs-varop'><$></span> <span class='hs-varid'>cons</span>
<a name="line-57"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-varop'>$</span> <span class='hs-varid'>varT</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkName</span> <span class='hs-varid'>h</span>
<a name="line-58"></a><span class='hs-cpp'>#if MIN_VERSION_template_haskell(2,8,0)</span>
<a name="line-59"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkList</span> <span class='hs-varop'><$></span> <span class='hs-varid'>cons</span>
<a name="line-60"></a><span class='hs-cpp'>#endif</span>
<a name="line-61"></a> <span class='hs-keyword'>where</span>
<a name="line-62"></a> <span class='hs-varid'>ts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>strip</span> <span class='hs-varop'>$</span> <span class='hs-varid'>splitOn</span> <span class='hs-chr'>','</span> <span class='hs-varid'>s</span>
<a name="line-63"></a> <span class='hs-varid'>cons</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>conT</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mkName</span><span class='hs-layout'>)</span> <span class='hs-varid'>ts</span>
<a name="line-64"></a><span class='hs-cpp'>#if MIN_VERSION_template_haskell(2,8,0)</span>
<a name="line-65"></a> <span class='hs-varid'>mkList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppT</span> <span class='hs-varop'>.</span> <span class='hs-conid'>AppT</span> <span class='hs-conid'>PromotedConsT</span><span class='hs-layout'>)</span> <span class='hs-conid'>PromotedNilT</span>
<a name="line-66"></a><span class='hs-cpp'>#endif</span>
<a name="line-67"></a>
<a name="line-68"></a><span class='hs-cpp'>#if MIN_VERSION_template_haskell(2,8,0)</span>
<a name="line-69"></a><span class='hs-comment'>-- | Like 'pr', but takes a single type, which is used to produce a</span>
<a name="line-70"></a><span class='hs-comment'>-- 'Proxy' for a single-element list containing only that type. This</span>
<a name="line-71"></a><span class='hs-comment'>-- is useful for passing a single type to a function that wants a list</span>
<a name="line-72"></a><span class='hs-comment'>-- of types.</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="pr1"></a><span class='hs-comment'>-- TODO: parse a richer syntax for the types involved here so we can include spaces, applications, etc.</span>
<a name="line-75"></a><span class='hs-definition'>pr1</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>QuasiQuoter</span>
<a name="line-76"></a><span class='hs-definition'>pr1</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>QuasiQuoter</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkProxy</span> <span class='hs-varid'>proxyExpQ</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkProxy</span> <span class='hs-varid'>proxyPatQ</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkProxy</span> <span class='hs-varid'>proxyTypeQ</span><span class='hs-layout'>)</span> <span class='hs-varid'>undefined</span> <span class='hs-keyword'>where</span>
<a name="line-77"></a> <span class='hs-varid'>sing</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AppT</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppT</span> <span class='hs-conid'>PromotedConsT</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-conid'>PromotedNilT</span>
<a name="line-78"></a> <span class='hs-varid'>mkProxy</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-79"></a> <span class='hs-varid'>t</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span>
<a name="line-80"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isUpper</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-varid'>sing</span> <span class='hs-layout'>(</span><span class='hs-varid'>conT</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkName</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-81"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-varid'>sing</span> <span class='hs-layout'>(</span><span class='hs-varid'>varT</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkName</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-82"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-str'>"Empty string passed to pr1"</span>
<a name="line-83"></a><span class='hs-cpp'>#endif</span>
<a name="line-84"></a>
<a name="line-85"></a><a name="splitOn"></a><span class='hs-comment'>-- | Split on a delimiter.</span>
<a name="line-86"></a><span class='hs-definition'>splitOn</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-87"></a><span class='hs-definition'>splitOn</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-keyword'>where</span>
<a name="line-88"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-89"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-90"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>h</span><span class='hs-keyglyph'>]</span>
<a name="line-91"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>h</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>t'</span>
<a name="line-92"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="strip"></a><span class='hs-comment'>-- | Remove white space from both ends of a 'String'.</span>
<a name="line-95"></a><span class='hs-definition'>strip</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-96"></a><span class='hs-definition'>strip</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>isSpace</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span>
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