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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE TemplateHaskell #-}</span>
<a name="line-2"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module : Language.Haskell.TH.TypeLib</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) SAM Group, KTH/ICT/ECS 2007-2008</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see the file LICENSE)</span>
<a name="line-7"></a><span class='hs-comment'>-- </span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : forsyde-dev@ict.kth.se</span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : portable</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- This module provides basic functions related to Template-Haskell's 'Type'.</span>
<a name="line-13"></a><span class='hs-comment'>-- </span>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a><span class='hs-keyword'>module</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'>TypeLib</span>
<a name="line-16"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Context</span><span class='hs-layout'>,</span>
<a name="line-17"></a> <span class='hs-varid'>mkContext</span><span class='hs-layout'>,</span>
<a name="line-18"></a> <span class='hs-varid'>monoContext</span><span class='hs-layout'>,</span>
<a name="line-19"></a> <span class='hs-varid'>isPoly</span><span class='hs-layout'>,</span>
<a name="line-20"></a> <span class='hs-varid'>contextVarNames</span><span class='hs-layout'>,</span>
<a name="line-21"></a> <span class='hs-varid'>contextConstraints</span><span class='hs-layout'>,</span>
<a name="line-22"></a> <span class='hs-varid'>mkForallT</span><span class='hs-layout'>,</span>
<a name="line-23"></a> <span class='hs-varid'>unArrowT</span><span class='hs-layout'>,</span>
<a name="line-24"></a> <span class='hs-varid'>unAppT</span><span class='hs-layout'>,</span>
<a name="line-25"></a> <span class='hs-layout'>(</span><span class='hs-varop'>--></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-26"></a> <span class='hs-varid'>reAppT</span><span class='hs-layout'>,</span>
<a name="line-27"></a> <span class='hs-varid'>reArrowT</span><span class='hs-layout'>,</span>
<a name="line-28"></a> <span class='hs-varid'>dynTHType</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-varid'>thTypeOf</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-varid'>typeRep2Type</span><span class='hs-layout'>,</span>
<a name="line-31"></a> <span class='hs-varid'>tyCon2Type</span><span class='hs-layout'>,</span>
<a name="line-32"></a> <span class='hs-varid'>type2TypeRep</span><span class='hs-layout'>)</span>
<a name="line-33"></a> <span class='hs-keyword'>where</span>
<a name="line-34"></a>
<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'>Dynamic</span>
<a name="line-36"></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-layout'>(</span><span class='hs-conid'>Type</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'>Cxt</span><span class='hs-layout'>,</span> <span class='hs-conid'>TyVarBndr</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'>pprint</span><span class='hs-layout'>,</span> <span class='hs-varid'>mkName</span><span class='hs-layout'>)</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>Posix</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>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span><span class='hs-layout'>(</span><span class='hs-varid'>isJust</span><span class='hs-layout'>)</span>
<a name="line-39"></a>
<a name="line-40"></a><span class='hs-comment'>-- Due to type translations</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Exts</span> <span class='hs-layout'>(</span><span class='hs-conid'>RealWorld</span><span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word16</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word32</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word64</span><span class='hs-layout'>)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Int</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int8</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int16</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int32</span><span class='hs-layout'>,</span> <span class='hs-conid'>Int64</span><span class='hs-layout'>)</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Handle</span><span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>IORef</span> <span class='hs-layout'>(</span><span class='hs-conid'>IORef</span><span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span><span class='hs-layout'>,</span> <span class='hs-conid'>FunPtr</span><span class='hs-layout'>,</span> <span class='hs-conid'>StablePtr</span><span class='hs-layout'>,</span> <span class='hs-conid'>ForeignPtr</span><span class='hs-layout'>)</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span> <span class='hs-layout'>(</span><span class='hs-conid'>Array</span><span class='hs-layout'>)</span>
<a name="line-48"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>OldException</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exception</span><span class='hs-layout'>,</span>
<a name="line-49"></a> <span class='hs-conid'>AsyncException</span><span class='hs-layout'>,</span>
<a name="line-50"></a> <span class='hs-conid'>ArrayException</span><span class='hs-layout'>,</span>
<a name="line-51"></a> <span class='hs-conid'>ArithException</span><span class='hs-layout'>,</span>
<a name="line-52"></a> <span class='hs-conid'>IOException</span><span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ratio</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ratio</span><span class='hs-layout'>)</span>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Concurrent</span><span class='hs-varop'>.</span><span class='hs-conid'>MVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>MVar</span><span class='hs-layout'>)</span>
<a name="line-55"></a>
<a name="line-56"></a><span class='hs-comment'>-----------</span>
<a name="line-57"></a><span class='hs-comment'>-- Context</span>
<a name="line-58"></a><span class='hs-comment'>-----------</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="Context"></a><span class='hs-comment'>-- | A 'Context' represents the forall part and constraints of a type</span>
<a name="line-61"></a><a name="Context"></a><span class='hs-comment'>-- (see 'ForallT')</span>
<a name="line-62"></a><a name="Context"></a><span class='hs-comment'>-- For instance, the context of the type</span>
<a name="line-63"></a><a name="Context"></a><span class='hs-comment'>-- @</span>
<a name="line-64"></a><a name="Context"></a><span class='hs-comment'>-- forall a b. (Show a, Show b) => (a,b)</span>
<a name="line-65"></a><a name="Context"></a><span class='hs-comment'>-- @</span>
<a name="line-66"></a><a name="Context"></a><span class='hs-comment'>-- is @forall a b. (Show a, Show b) =>@</span>
<a name="line-67"></a><a name="Context"></a><span class='hs-comment'>-- where @a@ and @b@ are the the context variables and </span>
<a name="line-68"></a><a name="Context"></a><span class='hs-comment'>-- @(Show a, Show b)@ are the context constraints </span>
<a name="line-69"></a><a name="Context"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Context</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Context</span>
<a name="line-70"></a> <span class='hs-keyglyph'>[</span><span class='hs-conid'>TyVarBndr</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- Variable names </span>
<a name="line-71"></a> <span class='hs-conid'>Cxt</span> <span class='hs-comment'>-- Constraints (the context itself)</span>
<a name="line-72"></a>
<a name="line-73"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Show</span> <span class='hs-conid'>Context</span> <span class='hs-keyword'>where</span>
<a name="line-74"></a><span class='hs-comment'>-- FIXME: this is really ugly, refactor and improve its look</span>
<a name="line-75"></a> <span class='hs-varid'>showsPrec</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Context</span> <span class='hs-varid'>tvb</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-76"></a> <span class='hs-varid'>showVars</span> <span class='hs-varid'>tvb</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showConstraints</span> <span class='hs-varid'>cxt</span>
<a name="line-77"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>showVars</span> <span class='hs-varid'>tvb</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showForall</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-varid'>tvb</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>showVars'</span> <span class='hs-varid'>tvb</span><span class='hs-layout'>)</span>
<a name="line-78"></a> <span class='hs-varid'>showVars'</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>PlainTV</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>tvbs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shows</span> <span class='hs-varid'>n</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showChar</span> <span class='hs-chr'>' '</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showVars'</span> <span class='hs-varid'>tvbs</span>
<a name="line-79"></a> <span class='hs-varid'>showVars'</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>id</span>
<a name="line-80"></a> <span class='hs-varid'>showConstraints</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>s</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-varop'>.</span>
<a name="line-81"></a> <span class='hs-varid'>showParen</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>c</span> <span class='hs-varop'>></span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>showConstraints'</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span>
<a name="line-82"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-str'>" =>"</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-83"></a> <span class='hs-varid'>showConstraints'</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shows</span> <span class='hs-varid'>c</span>
<a name="line-84"></a> <span class='hs-varid'>showConstraints'</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>cx</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showString</span> <span class='hs-layout'>(</span><span class='hs-varid'>pprint</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showString</span> <span class='hs-str'>", "</span> <span class='hs-varop'>.</span>
<a name="line-85"></a> <span class='hs-varid'>showConstraints'</span> <span class='hs-varid'>cx</span>
<a name="line-86"></a> <span class='hs-varid'>showConstraints'</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>id</span>
<a name="line-87"></a> <span class='hs-varid'>showForall</span> <span class='hs-varid'>b</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>showString</span> <span class='hs-str'>"forall "</span> <span class='hs-varop'>.</span> <span class='hs-varid'>s</span> <span class='hs-varop'>.</span> <span class='hs-varid'>showChar</span> <span class='hs-chr'>'.'</span>
<a name="line-88"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>s</span>
<a name="line-89"></a>
<a name="line-90"></a><a name="mkContext"></a><span class='hs-comment'>-- | 'Context' constructor</span>
<a name="line-91"></a><span class='hs-definition'>mkContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>TyVarBndr</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Cxt</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Context</span>
<a name="line-92"></a><span class='hs-definition'>mkContext</span> <span class='hs-varid'>tvb</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Context</span> <span class='hs-varid'>tvb</span> <span class='hs-varid'>c</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="monoContext"></a><span class='hs-comment'>-- | Empty context for monomorphic types</span>
<a name="line-95"></a><span class='hs-definition'>monoContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Context</span>
<a name="line-96"></a><span class='hs-definition'>monoContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Context</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="isPoly"></a><span class='hs-comment'>-- | Tells if the context corresponds to a polymorphic type</span>
<a name="line-99"></a><span class='hs-definition'>isPoly</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Context</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-100"></a><span class='hs-definition'>isPoly</span> <span class='hs-layout'>(</span><span class='hs-conid'>Context</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-101"></a><span class='hs-definition'>isPoly</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-102"></a>
<a name="line-103"></a><a name="contextVarNames"></a><span class='hs-comment'>-- | Returns the variable names related to a context</span>
<a name="line-104"></a><span class='hs-definition'>contextVarNames</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Context</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>TyVarBndr</span><span class='hs-keyglyph'>]</span>
<a name="line-105"></a><span class='hs-definition'>contextVarNames</span> <span class='hs-layout'>(</span><span class='hs-conid'>Context</span> <span class='hs-varid'>tvb</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tvb</span>
<a name="line-106"></a>
<a name="line-107"></a><a name="contextConstraints"></a><span class='hs-comment'>-- | Returns the context constraints</span>
<a name="line-108"></a><span class='hs-definition'>contextConstraints</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Context</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Cxt</span>
<a name="line-109"></a><span class='hs-definition'>contextConstraints</span> <span class='hs-layout'>(</span><span class='hs-conid'>Context</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cxt</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="mkForallT"></a><span class='hs-comment'>-- | Builds a 'ForallT' type out of a context and a type</span>
<a name="line-112"></a><span class='hs-definition'>mkForallT</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Context</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span>
<a name="line-113"></a><span class='hs-definition'>mkForallT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Context</span> <span class='hs-varid'>tvb</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ForallT</span> <span class='hs-varid'>tvb</span> <span class='hs-varid'>cxt</span> <span class='hs-varid'>t</span>
<a name="line-114"></a>
<a name="line-115"></a><span class='hs-comment'>--------------------------------</span>
<a name="line-116"></a><span class='hs-comment'>-- Functions to observe a 'Type'</span>
<a name="line-117"></a><span class='hs-comment'>--------------------------------</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="unArrowT"></a><span class='hs-comment'>-- | Obtains the arguments and return type of a given 'Type' </span>
<a name="line-120"></a><span class='hs-comment'>-- (normally a function)</span>
<a name="line-121"></a><span class='hs-comment'>-- together with its 'Context' (non-empty if the type is polymorphic)</span>
<a name="line-122"></a><span class='hs-definition'>unArrowT</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ Type to observe </span>
<a name="line-123"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Type</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ (args 'Type', ret 'Type', 'Context')</span>
<a name="line-124"></a><span class='hs-definition'>unArrowT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForallT</span> <span class='hs-varid'>names</span> <span class='hs-varid'>cxt</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span><span class='hs-varid'>ret</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unArrowT'</span> <span class='hs-varid'>t</span>
<a name="line-125"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span> <span class='hs-varid'>names</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span>
<a name="line-126"></a><span class='hs-definition'>unArrowT</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span><span class='hs-varid'>ret</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unArrowT'</span> <span class='hs-varid'>t</span>
<a name="line-127"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-128"></a>
<a name="line-129"></a><a name="unArrowT'"></a><span class='hs-comment'>-- unArrowT for non-Forall Types</span>
<a name="line-130"></a><span class='hs-definition'>unArrowT'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Type</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Type</span><span class='hs-layout'>)</span>
<a name="line-131"></a><span class='hs-definition'>unArrowT'</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>ArrowT</span> <span class='hs-varop'>`AppT`</span> <span class='hs-varid'>first</span><span class='hs-layout'>)</span> <span class='hs-varop'>`AppT`</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unArrowT'</span> <span class='hs-varid'>rest</span>
<a name="line-132"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>)</span>
<a name="line-133"></a><span class='hs-definition'>unArrowT'</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-134"></a>
<a name="line-135"></a><a name="unAppT"></a><span class='hs-comment'>-- | Obtains the type constructor of a 'Type' together with its</span>
<a name="line-136"></a><span class='hs-comment'>-- arguments and its 'Context' (non-empty if the type is polymorphic)</span>
<a name="line-137"></a><span class='hs-definition'>unAppT</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ Type to observe</span>
<a name="line-138"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Type</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ (Constructor, args 'Type', Context)</span>
<a name="line-139"></a><span class='hs-definition'>unAppT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForallT</span> <span class='hs-varid'>names</span> <span class='hs-varid'>cxt</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unAppT'</span> <span class='hs-varid'>t</span>
<a name="line-140"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span> <span class='hs-varid'>names</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span>
<a name="line-141"></a><span class='hs-definition'>unAppT</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unAppT'</span> <span class='hs-varid'>t</span>
<a name="line-142"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-143"></a>
<a name="line-144"></a><a name="unAppT'"></a><span class='hs-comment'>-- unAppT for non-Forall Types </span>
<a name="line-145"></a><span class='hs-definition'>unAppT'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Type</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Type</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-146"></a><span class='hs-definition'>unAppT'</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-layout'>,</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-147"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unAppT'ac</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>t</span>
<a name="line-148"></a> <span class='hs-comment'>-- Since the constructor is a leaf of the Type tree representation,</span>
<a name="line-149"></a> <span class='hs-comment'>-- it is the last element to be gathered and thus, an accumulator</span>
<a name="line-150"></a> <span class='hs-comment'>-- is used to reverse the list to be returned</span>
<a name="line-151"></a> <span class='hs-varid'>unAppT'ac</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span>
<a name="line-152"></a> <span class='hs-varid'>unAppT'ac</span> <span class='hs-varid'>acum</span> <span class='hs-layout'>(</span><span class='hs-varid'>prefix</span> <span class='hs-varop'>`AppT`</span> <span class='hs-varid'>lastarg</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unAppT'ac</span> <span class='hs-layout'>(</span><span class='hs-varid'>lastarg</span><span class='hs-conop'>:</span><span class='hs-varid'>acum</span><span class='hs-layout'>)</span> <span class='hs-varid'>prefix</span>
<a name="line-153"></a> <span class='hs-varid'>unAppT'ac</span> <span class='hs-varid'>acum</span> <span class='hs-varid'>cons</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cons</span><span class='hs-conop'>:</span><span class='hs-varid'>acum</span>
<a name="line-154"></a><span class='hs-comment'>------------------------------</span>
<a name="line-155"></a><span class='hs-comment'>-- Functions to build a 'Type'</span>
<a name="line-156"></a><span class='hs-comment'>------------------------------</span>
<a name="line-157"></a>
<a name="line-158"></a><a name="-->"></a><span class='hs-comment'>-- | Form a function type out of two types</span>
<a name="line-159"></a><span class='hs-layout'>(</span><span class='hs-varop'>--></span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ Argument type</span>
<a name="line-160"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ Return type</span>
<a name="line-161"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ Resulting function</span>
<a name="line-162"></a><a name="arg"></a><span class='hs-definition'>arg</span> <span class='hs-varop'>--></span> <span class='hs-varid'>ret</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>ArrowT</span> <span class='hs-varop'>`AppT`</span> <span class='hs-varid'>arg</span><span class='hs-layout'>)</span> <span class='hs-varop'>`AppT`</span> <span class='hs-varid'>ret</span>
<a name="line-163"></a>
<a name="line-164"></a><a name="reAppT"></a><span class='hs-comment'>-- | Rebuild a type out of a constructor, its argument types and its context</span>
<a name="line-165"></a><span class='hs-comment'>-- (inverse of 'unAppT')</span>
<a name="line-166"></a><span class='hs-definition'>reAppT</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Type</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ (Constructor, type arguments, context)</span>
<a name="line-167"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ resulting 'Type'</span>
<a name="line-168"></a><span class='hs-comment'>-- Polymorphic types</span>
<a name="line-169"></a><span class='hs-definition'>reAppT</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isPoly</span> <span class='hs-varid'>cxt</span> <span class='hs-keyglyph'>=</span>
<a name="line-170"></a> <span class='hs-varid'>mkForallT</span> <span class='hs-varid'>cxt</span> <span class='hs-layout'>(</span><span class='hs-varid'>reAppT</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>monoContext</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-171"></a><span class='hs-comment'>-- Monomorphic types</span>
<a name="line-172"></a><span class='hs-definition'>reAppT</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-layout'>,</span> <span class='hs-varid'>args</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'>foldl1</span> <span class='hs-conid'>AppT</span> <span class='hs-layout'>(</span><span class='hs-varid'>cons</span><span class='hs-conop'>:</span><span class='hs-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-173"></a>
<a name="line-174"></a><a name="reArrowT"></a><span class='hs-comment'>-- | Rebuild a function type out of its argument types, return type</span>
<a name="line-175"></a><span class='hs-comment'>-- and context (inverse of 'ArrowT')</span>
<a name="line-176"></a><span class='hs-definition'>reArrowT</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Type</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Type</span><span class='hs-layout'>,</span> <span class='hs-conid'>Context</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- ^ (Constructor, type arguments, context)</span>
<a name="line-177"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span> <span class='hs-comment'>-- ^ resulting 'Type'</span>
<a name="line-178"></a><span class='hs-comment'>-- Polymorphic types</span>
<a name="line-179"></a><span class='hs-definition'>reArrowT</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>cxt</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isPoly</span> <span class='hs-varid'>cxt</span> <span class='hs-keyglyph'>=</span>
<a name="line-180"></a> <span class='hs-varid'>mkForallT</span> <span class='hs-varid'>cxt</span> <span class='hs-layout'>(</span><span class='hs-varid'>reArrowT</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</span><span class='hs-layout'>,</span> <span class='hs-varid'>monoContext</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-181"></a><span class='hs-comment'>-- Monomorphic types</span>
<a name="line-182"></a><span class='hs-definition'>reArrowT</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span><span class='hs-layout'>,</span> <span class='hs-varid'>ret</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'>foldr1</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'>args</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>ret</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-183"></a>
<a name="line-184"></a><span class='hs-comment'>-------------------------------------------------------------------</span>
<a name="line-185"></a><span class='hs-comment'>-- Transforming Language.Haskell.TH.Type into Data.Typeable.TypeRep</span>
<a name="line-186"></a><span class='hs-comment'>------------------------------------------------------------------- </span>
<a name="line-187"></a>
<a name="line-188"></a><a name="type2TypeRep"></a><span class='hs-comment'>-- | Translate monomorphic Template Haskell Types to TypeReps</span>
<a name="line-189"></a><span class='hs-comment'>-- If the type os polymorhpic 'Nothing' will be returned</span>
<a name="line-190"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Type</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>TypeRep</span>
<a name="line-191"></a><span class='hs-comment'>-- Note: In the case of constructors, we don't need to translate to a TyCon first </span>
<a name="line-192"></a><span class='hs-comment'>-- because:</span>
<a name="line-193"></a><span class='hs-comment'>--</span>
<a name="line-194"></a><span class='hs-comment'>-- mkTyConApp tCon [t1 .. tn] = mkTyConApp tCon [] `mkAppTy` t1 ... `mkAppTy` tn </span>
<a name="line-195"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForallT</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-196"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForallT</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-197"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForallT</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>type2TypeRep</span> <span class='hs-varid'>t</span>
<a name="line-198"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-conid'>VarT</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-199"></a><span class='hs-comment'>-- Tuple tyCon strings don't correspond to hierarchical names. They are</span>
<a name="line-200"></a><span class='hs-comment'>-- simply sequences of commas plus paranthesis: e.g. 2-tuple "(,)" 3-tuple "(,,)" .... </span>
<a name="line-201"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-conid'>TupleT</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>strCon</span> <span class='hs-layout'>(</span><span class='hs-chr'>'('</span><span class='hs-conop'>:</span><span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-chr'>','</span><span class='hs-varop'>++</span><span class='hs-str'>")"</span><span class='hs-layout'>)</span>
<a name="line-202"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-conid'>ArrowT</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-203"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-conid'>ListT</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>()</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-204"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-varid'>t1</span> <span class='hs-varop'>`AppT`</span> <span class='hs-varid'>t2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-205"></a> <span class='hs-varid'>tRep1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>type2TypeRep</span> <span class='hs-varid'>t1</span>
<a name="line-206"></a> <span class='hs-varid'>tRep2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>type2TypeRep</span> <span class='hs-varid'>t2</span>
<a name="line-207"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tRep1</span> <span class='hs-varop'>`mkAppTy`</span> <span class='hs-varid'>tRep2</span>
<a name="line-208"></a><span class='hs-comment'>-- Constructors</span>
<a name="line-209"></a><span class='hs-definition'>type2TypeRep</span> <span class='hs-layout'>(</span><span class='hs-conid'>ConT</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span>
<a name="line-210"></a> <span class='hs-comment'>-- There are certain TyCons whose string does not correspond</span>
<a name="line-211"></a> <span class='hs-comment'>-- to the hierarchical name of the constructor (the instances generated </span>
<a name="line-212"></a> <span class='hs-comment'>-- in Data.Typeable), we have to cover all those cases by hand</span>
<a name="line-213"></a> <span class='hs-comment'>-- See <a href="http://hackage.haskell.org/trac/ghc/ticket/1841">http://hackage.haskell.org/trac/ghc/ticket/1841</a> for details</span>
<a name="line-214"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isJust</span> <span class='hs-varid'>mSpecialTypeRep</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mSpecialTypeRep</span>
<a name="line-215"></a> <span class='hs-comment'>-- Tuples (they cannot be put in the table)</span>
<a name="line-216"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isTup</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>strCon</span> <span class='hs-varid'>tupCons</span>
<a name="line-217"></a> <span class='hs-comment'>-- General case</span>
<a name="line-218"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>strCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span>
<a name="line-219"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-varid'>isTup</span><span class='hs-layout'>,</span> <span class='hs-varid'>tupCons</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-220"></a> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>name</span> <span class='hs-varop'>=~</span> <span class='hs-str'>"^Data\\.Tuple\\.\\((,+)\\)$"</span><span class='hs-layout'>)</span>
<a name="line-221"></a> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</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-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-222"></a> <span class='hs-comment'>-- it's a tuple, we get the commas subpart (,+)</span>
<a name="line-223"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</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'>commas</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-varid'>commas</span><span class='hs-layout'>)</span>
<a name="line-224"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span>
<a name="line-225"></a> <span class='hs-varid'>mSpecialTypeRep</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>name</span> <span class='hs-varid'>specialConTable</span>
<a name="line-226"></a> <span class='hs-varid'>specialConTable</span> <span class='hs-keyglyph'>=</span>
<a name="line-227"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>()</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-228"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>[]</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>()</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-229"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-230"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Ratio</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ratio</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-231"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Either</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Either</span> <span class='hs-conid'>()</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-232"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</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'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-233"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>MVar</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MVar</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-234"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Exception</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-235"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>IOException</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IOException</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-236"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>ArithException</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArithException</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-237"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>ArrayException</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ArrayException</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-238"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>AsyncException</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AsyncException</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-239"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Array</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Array</span> <span class='hs-conid'>()</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-240"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-241"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>FunPtr</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FunPtr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-242"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ForeignPtr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-243"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>StablePtr</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>StablePtr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-244"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>IORef</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IORef</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-245"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Bool</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-246"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Char</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-247"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Float</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Float</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-248"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Double</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Double</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-249"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Int</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-250"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Word</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-251"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Integer</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-252"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Ordering</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ordering</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-253"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Handle</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-254"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Int8</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int8</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-255"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Int16</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int16</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-256"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Int32</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int32</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-257"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Int64</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int64</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-258"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Word8</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-259"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Word16</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word16</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-260"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Word32</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word32</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-261"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>Word64</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word64</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-262"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>TyCon</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TyCon</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-263"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>TypeRep</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TypeRep</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-264"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'</span><span class='hs-chr'>'</span><span class='hs-conid'>RealWorld</span> <span class='hs-layout'>,</span> <span class='hs-varid'>typeableCon</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>RealWorld</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-265"></a>
<a name="line-266"></a>
<a name="line-267"></a><span class='hs-comment'>-------------------------------------------------------------------</span>
<a name="line-268"></a><span class='hs-comment'>-- Transforming Data.Typeable.TypeRep into Language.Haskell.TH.Type</span>
<a name="line-269"></a><span class='hs-comment'>------------------------------------------------------------------- </span>
<a name="line-270"></a>
<a name="line-271"></a><a name="dynTHType"></a><span class='hs-comment'>-- | Obtain the Template Haskel type of a dynamic object</span>
<a name="line-272"></a><span class='hs-definition'>dynTHType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Dynamic</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span>
<a name="line-273"></a><span class='hs-definition'>dynTHType</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>typeRep2Type</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dynTypeRep</span>
<a name="line-274"></a>
<a name="line-275"></a><a name="thTypeOf"></a><span class='hs-comment'>-- | Give the template haskell 'Type' of a Typeable object</span>
<a name="line-276"></a><span class='hs-definition'>thTypeOf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Typeable</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-conid'>Type</span>
<a name="line-277"></a><span class='hs-definition'>thTypeOf</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>typeRep2Type</span> <span class='hs-varop'>.</span> <span class='hs-varid'>typeOf</span>
<a name="line-278"></a>
<a name="line-279"></a><a name="typeRep2Type"></a><span class='hs-comment'>-- | Translate a 'TypeRep' to a Template Haskell 'Type'</span>
<a name="line-280"></a><span class='hs-definition'>typeRep2Type</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TypeRep</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span>
<a name="line-281"></a><span class='hs-definition'>typeRep2Type</span> <span class='hs-varid'>rep</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>con</span><span class='hs-layout'>,</span> <span class='hs-varid'>reps</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>splitTyConApp</span> <span class='hs-varid'>rep</span>
<a name="line-282"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>reAppT</span> <span class='hs-layout'>(</span><span class='hs-varid'>tyCon2Type</span> <span class='hs-varid'>con</span><span class='hs-layout'>,</span> <span class='hs-varid'>map</span> <span class='hs-varid'>typeRep2Type</span> <span class='hs-varid'>reps</span><span class='hs-layout'>,</span> <span class='hs-varid'>monoContext</span><span class='hs-layout'>)</span>
<a name="line-283"></a>
<a name="line-284"></a><a name="tyCon2Type"></a><span class='hs-comment'>-- | Gives the corresponding Template Haskell 'Type' of a 'TyCon'</span>
<a name="line-285"></a><span class='hs-definition'>tyCon2Type</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TyCon</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span>
<a name="line-286"></a><span class='hs-definition'>tyCon2Type</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tyConStr2Type</span> <span class='hs-varop'>.</span> <span class='hs-varid'>tyConString</span>
<a name="line-287"></a>
<a name="line-288"></a>
<a name="line-289"></a><span class='hs-comment'>----------------------------</span>
<a name="line-290"></a><span class='hs-comment'>-- Internal Helper Functions</span>
<a name="line-291"></a><span class='hs-comment'>----------------------------</span>
<a name="line-292"></a>
<a name="line-293"></a><a name="tyConStr2Type"></a><span class='hs-comment'>-- | transfrom a Typeable type constructor to a Template Haskell Type</span>
<a name="line-294"></a><span class='hs-definition'>tyConStr2Type</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Type</span>
<a name="line-295"></a><span class='hs-comment'>-- NOTE: The tyCon strings of basic types are not qualified and buggy in </span>
<a name="line-296"></a><span class='hs-comment'>-- some cases.</span>
<a name="line-297"></a><span class='hs-comment'>-- See <a href="http://hackage.haskell.org/trac/ghc/ticket/1841">http://hackage.haskell.org/trac/ghc/ticket/1841</a></span>
<a name="line-298"></a><span class='hs-comment'>-- FIXME: update this function whenever the bug is fixed</span>
<a name="line-299"></a><span class='hs-comment'>-- FIXME FIXME: This code is incorrect:</span>
<a name="line-300"></a><span class='hs-comment'>-- mkName doesn't generate global names! ''Maybe /= mkName "Data.Maybe.Maybe"</span>
<a name="line-301"></a><span class='hs-comment'>-- in addition global names contain a packagename which cannot be guessed from</span>
<a name="line-302"></a><span class='hs-comment'>-- the type representation.</span>
<a name="line-303"></a><span class='hs-definition'>tyConStr2Type</span> <span class='hs-str'>"->"</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ArrowT</span>
<a name="line-304"></a><span class='hs-definition'>tyConStr2Type</span> <span class='hs-varid'>tupStr</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>tupStr</span> <span class='hs-varop'>=~</span> <span class='hs-str'>"^,+$"</span> <span class='hs-keyglyph'>=</span>
<a name="line-305"></a> <span class='hs-conid'>ConT</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkName</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Data.Tuple.("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>tupStr</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span><span class='hs-layout'>)</span>
<a name="line-306"></a><span class='hs-definition'>tyConStr2Type</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ConT</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkName</span> <span class='hs-varid'>str</span>
<a name="line-307"></a>
<a name="line-308"></a><a name="strCon"></a><span class='hs-comment'>-- Get the type constructor corresponding to a String </span>
<a name="line-309"></a><span class='hs-comment'>-- in form of a type representation</span>
<a name="line-310"></a><span class='hs-definition'>strCon</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TypeRep</span>
<a name="line-311"></a><span class='hs-definition'>strCon</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkTyCon</span> <span class='hs-varid'>str</span> <span class='hs-varop'>`mkTyConApp`</span> <span class='hs-conid'>[]</span>
<a name="line-312"></a>
<a name="line-313"></a><a name="typeableCon"></a><span class='hs-comment'>-- Get the type constructor corresponding to a typeable value</span>
<a name="line-314"></a><span class='hs-comment'>-- in form of a type representation </span>
<a name="line-315"></a><span class='hs-definition'>typeableCon</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Typeable</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-conid'>TypeRep</span>
<a name="line-316"></a><span class='hs-definition'>typeableCon</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>typeRepTyCon</span> <span class='hs-varop'>.</span> <span class='hs-varid'>typeOf</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span> <span class='hs-varop'>`mkTyConApp`</span> <span class='hs-conid'>[]</span>
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