<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ -->
<title>src/full/Agda/Auto/Syntax.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE ExistentialQuantification, CPP #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Auto</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span> <span class='hs-keyword'>where</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span><span class='hs-varop'>.</span><span class='hs-conid'>Impossible</span>
<a name="line-6"></a><span class='hs-cpp'>#include "../undefined.h"</span>
<a name="line-7"></a>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>IORef</span>
<a name="line-9"></a>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Auto</span><span class='hs-varop'>.</span><span class='hs-conid'>NarrowingSearch</span>
<a name="line-11"></a>
<a name="line-12"></a><a name="UId"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>UId</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Metavar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-13"></a>
<a name="line-14"></a><a name="HintMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HintMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HMNormal</span>
<a name="line-15"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HMRecCall</span>
<a name="line-16"></a>
<a name="line-17"></a>
<a name="line-18"></a><a name="EqReasoningConsts"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>EqReasoningConsts</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EqReasoningConsts</span> <span class='hs-layout'>{</span><span class='hs-varid'>eqrcId</span><span class='hs-layout'>,</span> <span class='hs-varid'>eqrcBegin</span><span class='hs-layout'>,</span> <span class='hs-varid'>eqrcStep</span><span class='hs-layout'>,</span> <span class='hs-varid'>eqrcEnd</span><span class='hs-layout'>,</span> <span class='hs-varid'>eqrcSym</span><span class='hs-layout'>,</span> <span class='hs-varid'>eqrcCong</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-layout'>}</span> <span class='hs-comment'>-- "_≡_", "begin_", "_≡⟨_⟩_", "_∎", "sym", "cong"</span>
<a name="line-19"></a>
<a name="line-20"></a><a name="EqReasoningState"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>EqReasoningState</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EqRSNone</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EqRSChain</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EqRSPrf1</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EqRSPrf2</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EqRSPrf3</span>
<a name="line-21"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-22"></a>
<a name="line-23"></a>
<a name="line-24"></a><a name="RefInfo"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RIEnv</span> <span class='hs-layout'>{</span><span class='hs-varid'>rieHints</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-layout'>,</span> <span class='hs-conid'>HintMode</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-varid'>rieDefFreeVars</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Nat</span> <span class='hs-comment'>-- Nat - deffreevars (to make cost of using module parameters correspond to that of hints)</span>
<a name="line-25"></a>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>rieEqReasoningConsts</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>EqReasoningConsts</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-27"></a>
<a name="line-28"></a> <span class='hs-layout'>}</span>
<a name="line-29"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RIMainInfo</span> <span class='hs-conid'>Nat</span> <span class='hs-layout'>(</span><span class='hs-conid'>HNExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- true if iota steps performed when normalising target type (used to put cost when traversing a definition by construction instantiation)</span>
<a name="line-30"></a> <span class='hs-keyglyph'>|</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>a</span> <span class='hs-varop'>.</span> <span class='hs-conid'>RIUnifInfo</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CAction</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>HNExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- meta environment, opp hne</span>
<a name="line-31"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RICopyInfo</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-32"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RIIotaStep</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- True - semiflex</span>
<a name="line-33"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RIInferredTypeUnknown</span>
<a name="line-34"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RINotConstructor</span>
<a name="line-35"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RIUsedVars</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-36"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RIPickSubsvar</span>
<a name="line-37"></a>
<a name="line-38"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RIEqRState</span> <span class='hs-conid'>EqReasoningState</span>
<a name="line-39"></a>
<a name="line-40"></a>
<a name="line-41"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RICheckElim</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- isdep</span>
<a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>RICheckProjIndex</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- noof proj functions</span>
<a name="line-43"></a>
<a name="line-44"></a>
<a name="line-45"></a><a name="MyPB"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>MyPB</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PB</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-46"></a><a name="MyMB"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>MyMB</span> <span class='hs-varid'>a</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>MB</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="Nat"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Int</span>
<a name="line-49"></a>
<a name="line-50"></a>
<a name="line-51"></a><a name="FMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>FMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Hidden</span>
<a name="line-52"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Instance</span>
<a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NotHidden</span>
<a name="line-54"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Eq</span>
<a name="line-55"></a>
<a name="line-56"></a>
<a name="line-57"></a><a name="MId"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MId</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Id</span> <span class='hs-conid'>String</span>
<a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoId</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="Abs"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Abs</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Abs</span> <span class='hs-conid'>MId</span> <span class='hs-varid'>a</span>
<a name="line-61"></a>
<a name="line-62"></a><a name="ConstDef"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ConstDef</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ConstDef</span> <span class='hs-layout'>{</span><span class='hs-varid'>cdname</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-varid'>cdorigin</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>o</span><span class='hs-layout'>,</span> <span class='hs-varid'>cdtype</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>,</span> <span class='hs-varid'>cdcont</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>DeclCont</span> <span class='hs-varid'>o</span>
<a name="line-63"></a>
<a name="line-64"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>cddeffreevars</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Nat</span>
<a name="line-65"></a>
<a name="line-66"></a> <span class='hs-layout'>}</span> <span class='hs-comment'>-- contains no metas</span>
<a name="line-67"></a>
<a name="line-68"></a><a name="DeclCont"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>DeclCont</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Def</span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Clause</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Nat</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Nat</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- maybe an index to elimand argument, maybe index to elim arg if semiflex</span>
<a name="line-69"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Datatype</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- constructors</span>
<a name="line-70"></a>
<a name="line-71"></a> <span class='hs-keyglyph'>[</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- projection functions</span>
<a name="line-72"></a>
<a name="line-73"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Constructor</span> <span class='hs-conid'>Nat</span> <span class='hs-comment'>-- number of omitted args</span>
<a name="line-74"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Postulate</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="Clause"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Clause</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Pat</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="Pat"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Pat</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PatConApp</span> <span class='hs-layout'>(</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Pat</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span>
<a name="line-79"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PatVar</span> <span class='hs-conid'>String</span>
<a name="line-80"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PatExp</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="ConstRef"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IORef</span> <span class='hs-layout'>(</span><span class='hs-conid'>ConstDef</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="Elr"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Var</span> <span class='hs-conid'>Nat</span>
<a name="line-85"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Const</span> <span class='hs-layout'>(</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="Sort"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Sort</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Set</span> <span class='hs-conid'>Nat</span>
<a name="line-88"></a>
<a name="line-89"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UnknownSort</span>
<a name="line-90"></a>
<a name="line-91"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Type</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="Exp"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Exp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>OKHandle</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-94"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Lam</span> <span class='hs-conid'>FMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-95"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Pi</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conid'>FMode</span> <span class='hs-conid'>Bool</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- true if possibly dependent (var not known to not occur)</span>
<a name="line-96"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Sort</span> <span class='hs-conid'>Sort</span>
<a name="line-97"></a>
<a name="line-98"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AbsurdLambda</span> <span class='hs-conid'>FMode</span>
<a name="line-99"></a>
<a name="line-100"></a>
<a name="line-101"></a><a name="dontCare"></a><span class='hs-definition'>dontCare</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Sort</span> <span class='hs-conid'>UnknownSort</span>
<a name="line-102"></a>
<a name="line-103"></a>
<a name="line-104"></a><a name="MExp"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>MM</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="ArgList"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ArgList</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ALNil</span>
<a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ALCons</span> <span class='hs-conid'>FMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-108"></a>
<a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ALProj</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>MM</span> <span class='hs-layout'>(</span><span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-conid'>FMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- proj pre args, projfcn idx, tail</span>
<a name="line-110"></a>
<a name="line-111"></a>
<a name="line-112"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ALConPar</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- inserted to cover glitch of polymorphic constructor applications coming from Agda</span>
<a name="line-113"></a>
<a name="line-114"></a>
<a name="line-115"></a><a name="MArgList"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>MM</span> <span class='hs-layout'>(</span><span class='hs-conid'>ArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>RefInfo</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-116"></a>
<a name="line-117"></a><a name="HNExp"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HNExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HNApp</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-118"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HNLam</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>FMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-119"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HNPi</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>UId</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>FMode</span> <span class='hs-conid'>Bool</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-120"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HNSort</span> <span class='hs-conid'>Sort</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="HNArgList"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>HNArgList</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HNALNil</span>
<a name="line-123"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HNALCons</span> <span class='hs-conid'>FMode</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-124"></a>
<a name="line-125"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HNALConPar</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-126"></a>
<a name="line-127"></a>
<a name="line-128"></a><a name="ICExp"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-varid'>o</span>
<a name="line-129"></a>
<a name="line-130"></a><a name="CExp"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TrBr</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-varid'>o</span>
<a name="line-131"></a>
<a name="line-132"></a><a name="ICArgList"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CALNil</span>
<a name="line-133"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CALConcat</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-134"></a>
<a name="line-135"></a><a name="Clos"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Clos</span> <span class='hs-varid'>a</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Clos</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CAction</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span>
<a name="line-136"></a><a name="TrBr"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>TrBr</span> <span class='hs-varid'>a</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TrBr</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span>
<a name="line-137"></a>
<a name="line-138"></a><a name="CAction"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CAction</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Sub</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-139"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Skip</span>
<a name="line-140"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Weak</span> <span class='hs-conid'>Nat</span>
<a name="line-141"></a>
<a name="line-142"></a><a name="Ctx"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Ctx</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>MId</span><span class='hs-layout'>,</span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-143"></a>
<a name="line-144"></a><a name="EE"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>EE</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IO</span>
<a name="line-145"></a>
<a name="line-146"></a><span class='hs-comment'>-- -------------------------------------------</span>
<a name="line-147"></a>
<a name="line-148"></a><a name="detecteliminand"></a><span class='hs-definition'>detecteliminand</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Clause</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Nat</span>
<a name="line-149"></a><span class='hs-definition'>detecteliminand</span> <span class='hs-varid'>cls</span> <span class='hs-keyglyph'>=</span>
<a name="line-150"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>map</span> <span class='hs-varid'>cleli</span> <span class='hs-varid'>cls</span> <span class='hs-keyword'>of</span>
<a name="line-151"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span>
<a name="line-152"></a> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-conop'>:</span><span class='hs-varid'>is</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>all</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varid'>is</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Nothing</span>
<a name="line-153"></a> <span class='hs-keyword'>where</span>
<a name="line-154"></a> <span class='hs-varid'>cleli</span> <span class='hs-layout'>(</span><span class='hs-varid'>pats</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'>pateli</span> <span class='hs-num'>0</span> <span class='hs-varid'>pats</span>
<a name="line-155"></a> <span class='hs-varid'>pateli</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>PatConApp</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>args</span> <span class='hs-conop'>:</span> <span class='hs-varid'>pats</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>all</span> <span class='hs-varid'>notcon</span> <span class='hs-layout'>(</span><span class='hs-varid'>args</span> <span class='hs-varop'>++</span> <span class='hs-varid'>pats</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Nothing</span>
<a name="line-156"></a> <span class='hs-varid'>pateli</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span> <span class='hs-conop'>:</span> <span class='hs-varid'>pats</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pateli</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>pats</span>
<a name="line-157"></a> <span class='hs-varid'>pateli</span> <span class='hs-varid'>i</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-158"></a> <span class='hs-varid'>notcon</span> <span class='hs-conid'>PatConApp</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-159"></a> <span class='hs-varid'>notcon</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-160"></a>
<a name="line-161"></a><a name="detectsemiflex"></a><span class='hs-definition'>detectsemiflex</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Clause</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span>
<a name="line-162"></a><span class='hs-definition'>detectsemiflex</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span> <span class='hs-comment'>-- disabled</span>
<a name="line-163"></a><a name="categorizedecl"></a><span class='hs-definition'>categorizedecl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ConstRef</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-164"></a><span class='hs-definition'>categorizedecl</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-165"></a> <span class='hs-varid'>cd</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readIORef</span> <span class='hs-varid'>c</span>
<a name="line-166"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>cdcont</span> <span class='hs-varid'>cd</span> <span class='hs-keyword'>of</span>
<a name="line-167"></a> <span class='hs-conid'>Def</span> <span class='hs-varid'>narg</span> <span class='hs-varid'>cls</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-168"></a> <span class='hs-varid'>semif</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>detectsemiflex</span> <span class='hs-varid'>c</span> <span class='hs-varid'>cls</span>
<a name="line-169"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>elim</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>detecteliminand</span> <span class='hs-varid'>cls</span>
<a name="line-170"></a> <span class='hs-varid'>semifb</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>semif</span><span class='hs-layout'>,</span> <span class='hs-varid'>elim</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-171"></a> <span class='hs-layout'>(</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span> <span class='hs-comment'>-- just copying val of elim arg. this should be changed</span>
<a name="line-172"></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-keyglyph'>-></span> <span class='hs-conid'>Nothing</span>
<a name="line-173"></a> <span class='hs-varid'>writeIORef</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>cd</span> <span class='hs-layout'>{</span><span class='hs-varid'>cdcont</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Def</span> <span class='hs-varid'>narg</span> <span class='hs-varid'>cls</span> <span class='hs-varid'>elim</span> <span class='hs-varid'>semifb</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-174"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-175"></a>
<a name="line-176"></a><span class='hs-comment'>-- -------------------------------------------</span>
<a name="line-177"></a>
<a name="line-178"></a><a name="metaliseokh"></a><span class='hs-definition'>metaliseokh</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-179"></a><span class='hs-definition'>metaliseokh</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fm</span>
<a name="line-180"></a> <span class='hs-keyword'>where</span>
<a name="line-181"></a> <span class='hs-varid'>fm</span> <span class='hs-layout'>(</span><span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span>
<a name="line-182"></a> <span class='hs-varid'>fm</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-183"></a> <span class='hs-varid'>e</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span>
<a name="line-184"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>NotM</span> <span class='hs-varid'>e</span>
<a name="line-185"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>App</span> <span class='hs-varid'>uid</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>elr</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-186"></a> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>initMeta</span>
<a name="line-187"></a> <span class='hs-varid'>args</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-varid'>args</span>
<a name="line-188"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-varid'>uid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>elr</span> <span class='hs-varid'>args</span>
<a name="line-189"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Lam</span> <span class='hs-varid'>hid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-190"></a> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>b</span>
<a name="line-191"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Lam</span> <span class='hs-varid'>hid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-192"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pi</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>posdep</span> <span class='hs-varid'>it</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>ot</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-193"></a> <span class='hs-varid'>it</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>it</span>
<a name="line-194"></a> <span class='hs-varid'>ot</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>ot</span>
<a name="line-195"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Pi</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>posdep</span> <span class='hs-varid'>it</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>ot</span><span class='hs-layout'>)</span>
<a name="line-196"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Sort</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>e</span>
<a name="line-197"></a>
<a name="line-198"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>AbsurdLambda</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>e</span>
<a name="line-199"></a>
<a name="line-200"></a>
<a name="line-201"></a> <span class='hs-varid'>fms</span> <span class='hs-layout'>(</span><span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span>
<a name="line-202"></a> <span class='hs-varid'>fms</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-203"></a> <span class='hs-varid'>es</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>es</span>
<a name="line-204"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>NotM</span> <span class='hs-varid'>es</span>
<a name="line-205"></a> <span class='hs-varid'>fs</span> <span class='hs-conid'>ALNil</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>ALNil</span>
<a name="line-206"></a> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALCons</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-207"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>a</span>
<a name="line-208"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-keyword'>as</span>
<a name="line-209"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALCons</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>as</span>
<a name="line-210"></a>
<a name="line-211"></a> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALProj</span> <span class='hs-varid'>eas</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>hid</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-212"></a> <span class='hs-varid'>eas</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-varid'>eas</span>
<a name="line-213"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-keyword'>as</span>
<a name="line-214"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALProj</span> <span class='hs-varid'>eas</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>hid</span> <span class='hs-keyword'>as</span>
<a name="line-215"></a>
<a name="line-216"></a>
<a name="line-217"></a> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALConPar</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-218"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-keyword'>as</span>
<a name="line-219"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALConPar</span> <span class='hs-keyword'>as</span>
<a name="line-220"></a>
<a name="line-221"></a>
<a name="line-222"></a><span class='hs-comment'>-- -------------------------------------------</span>
<a name="line-223"></a>
<a name="line-224"></a><a name="expandExp"></a><span class='hs-definition'>expandExp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-225"></a><span class='hs-definition'>expandExp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fm</span>
<a name="line-226"></a> <span class='hs-keyword'>where</span>
<a name="line-227"></a> <span class='hs-varid'>fm</span> <span class='hs-layout'>(</span><span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-228"></a> <span class='hs-varid'>mb</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readIORef</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mbind</span> <span class='hs-varid'>m</span>
<a name="line-229"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mb</span> <span class='hs-keyword'>of</span>
<a name="line-230"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span>
<a name="line-231"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fm</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-232"></a> <span class='hs-varid'>fm</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-233"></a> <span class='hs-varid'>e</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span>
<a name="line-234"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>NotM</span> <span class='hs-varid'>e</span>
<a name="line-235"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>App</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>okh</span> <span class='hs-varid'>elr</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-236"></a> <span class='hs-varid'>args</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-varid'>args</span>
<a name="line-237"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>App</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>okh</span> <span class='hs-varid'>elr</span> <span class='hs-varid'>args</span>
<a name="line-238"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Lam</span> <span class='hs-varid'>hid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-239"></a> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>b</span>
<a name="line-240"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Lam</span> <span class='hs-varid'>hid</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-241"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pi</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>posdep</span> <span class='hs-varid'>it</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>ot</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-242"></a> <span class='hs-varid'>it</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>it</span>
<a name="line-243"></a> <span class='hs-varid'>ot</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>ot</span>
<a name="line-244"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Pi</span> <span class='hs-varid'>uid</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>posdep</span> <span class='hs-varid'>it</span> <span class='hs-layout'>(</span><span class='hs-conid'>Abs</span> <span class='hs-varid'>id</span> <span class='hs-varid'>ot</span><span class='hs-layout'>)</span>
<a name="line-245"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Sort</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>e</span>
<a name="line-246"></a>
<a name="line-247"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>e</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>AbsurdLambda</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>e</span>
<a name="line-248"></a>
<a name="line-249"></a>
<a name="line-250"></a> <span class='hs-varid'>fms</span> <span class='hs-layout'>(</span><span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-251"></a> <span class='hs-varid'>mb</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readIORef</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mbind</span> <span class='hs-varid'>m</span>
<a name="line-252"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mb</span> <span class='hs-keyword'>of</span>
<a name="line-253"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Meta</span> <span class='hs-varid'>m</span>
<a name="line-254"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fms</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-255"></a> <span class='hs-varid'>fms</span> <span class='hs-layout'>(</span><span class='hs-conid'>NotM</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-256"></a> <span class='hs-varid'>es</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>es</span>
<a name="line-257"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>NotM</span> <span class='hs-varid'>es</span>
<a name="line-258"></a> <span class='hs-varid'>fs</span> <span class='hs-conid'>ALNil</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>ALNil</span>
<a name="line-259"></a> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALCons</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-260"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fm</span> <span class='hs-varid'>a</span>
<a name="line-261"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-keyword'>as</span>
<a name="line-262"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALCons</span> <span class='hs-varid'>hid</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>as</span>
<a name="line-263"></a>
<a name="line-264"></a> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALProj</span> <span class='hs-varid'>eas</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>hid</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-265"></a> <span class='hs-varid'>idx</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>expandbind</span> <span class='hs-varid'>idx</span>
<a name="line-266"></a> <span class='hs-varid'>eas</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-varid'>eas</span>
<a name="line-267"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-keyword'>as</span>
<a name="line-268"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALProj</span> <span class='hs-varid'>eas</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>hid</span> <span class='hs-keyword'>as</span>
<a name="line-269"></a>
<a name="line-270"></a>
<a name="line-271"></a> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>ALConPar</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-272"></a> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fms</span> <span class='hs-keyword'>as</span>
<a name="line-273"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ALConPar</span> <span class='hs-keyword'>as</span>
<a name="line-274"></a>
<a name="line-275"></a>
<a name="line-276"></a><span class='hs-comment'>-- ---------------------------------</span>
<a name="line-277"></a>
<a name="line-278"></a><a name="addtrailingargs"></a><span class='hs-definition'>addtrailingargs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArgList</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span>
<a name="line-279"></a><span class='hs-definition'>addtrailingargs</span> <span class='hs-varid'>newargs</span> <span class='hs-conid'>CALNil</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CALConcat</span> <span class='hs-varid'>newargs</span> <span class='hs-conid'>CALNil</span>
<a name="line-280"></a><span class='hs-definition'>addtrailingargs</span> <span class='hs-varid'>newargs</span> <span class='hs-layout'>(</span><span class='hs-conid'>CALConcat</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CALConcat</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>addtrailingargs</span> <span class='hs-varid'>newargs</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-281"></a>
<a name="line-282"></a><span class='hs-comment'>-- ---------------------------------</span>
<a name="line-283"></a>
<a name="line-284"></a><a name="closify"></a><span class='hs-definition'>closify</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span>
<a name="line-285"></a><span class='hs-definition'>closify</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TrBr</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>e</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-286"></a>
<a name="line-287"></a><a name="sub"></a><span class='hs-definition'>sub</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span>
<a name="line-288"></a><span class='hs-comment'>-- sub e (Clos [] x) = Clos [Sub e] x</span>
<a name="line-289"></a><span class='hs-definition'>sub</span> <span class='hs-varid'>e</span> <span class='hs-layout'>(</span><span class='hs-conid'>TrBr</span> <span class='hs-varid'>trs</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TrBr</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span> <span class='hs-conop'>:</span> <span class='hs-varid'>trs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sub</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-290"></a><span class='hs-comment'>{-sub e (Clos (Weak n : as) x) = if n == 1 then
<a name="line-291"></a> Clos as x
<a name="line-292"></a> else
<a name="line-293"></a> Clos (Weak (n - 1) : as) x-}</span>
<a name="line-294"></a><span class='hs-definition'>sub</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-295"></a>
<a name="line-296"></a><a name="subi"></a><span class='hs-definition'>subi</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span>
<a name="line-297"></a><span class='hs-definition'>subi</span> <span class='hs-varid'>e</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sub</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-298"></a><span class='hs-definition'>subi</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-299"></a>
<a name="line-300"></a><a name="weak"></a><span class='hs-definition'>weak</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CExp</span> <span class='hs-varid'>o</span>
<a name="line-301"></a><span class='hs-definition'>weak</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>TrBr</span> <span class='hs-varid'>trs</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TrBr</span> <span class='hs-varid'>trs</span> <span class='hs-layout'>(</span><span class='hs-varid'>weaki</span> <span class='hs-varid'>n</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-302"></a>
<a name="line-303"></a><a name="weaki"></a><span class='hs-definition'>weaki</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Clos</span> <span class='hs-varid'>a</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Clos</span> <span class='hs-varid'>a</span> <span class='hs-varid'>o</span>
<a name="line-304"></a><span class='hs-definition'>weaki</span> <span class='hs-num'>0</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span>
<a name="line-305"></a><span class='hs-definition'>weaki</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>Weak</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-306"></a>
<a name="line-307"></a><a name="weakarglist"></a><span class='hs-definition'>weakarglist</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ICArgList</span> <span class='hs-varid'>o</span>
<a name="line-308"></a><span class='hs-definition'>weakarglist</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>id</span>
<a name="line-309"></a><span class='hs-definition'>weakarglist</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span>
<a name="line-310"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>f</span> <span class='hs-conid'>CALNil</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CALNil</span>
<a name="line-311"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>CALConcat</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-varid'>cl</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-varid'>as2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CALConcat</span> <span class='hs-layout'>(</span><span class='hs-conid'>Clos</span> <span class='hs-layout'>(</span><span class='hs-conid'>Weak</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cl</span><span class='hs-layout'>)</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>as2</span><span class='hs-layout'>)</span>
<a name="line-312"></a><a name="weakelr"></a><span class='hs-definition'>weakelr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Elr</span> <span class='hs-varid'>o</span>
<a name="line-313"></a><span class='hs-definition'>weakelr</span> <span class='hs-num'>0</span> <span class='hs-varid'>elr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>elr</span>
<a name="line-314"></a><span class='hs-definition'>weakelr</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-conid'>Var</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Var</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span> <span class='hs-varop'>+</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-315"></a><span class='hs-definition'>weakelr</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>elr</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Const</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>elr</span>
<a name="line-316"></a>
<a name="line-317"></a><a name="doclos"></a><span class='hs-definition'>doclos</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>CAction</span> <span class='hs-varid'>o</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>Nat</span> <span class='hs-layout'>(</span><span class='hs-conid'>ICExp</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span>
<a name="line-318"></a><span class='hs-definition'>doclos</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-num'>0</span>
<a name="line-319"></a> <span class='hs-keyword'>where</span>
<a name="line-320"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Left</span> <span class='hs-layout'>(</span><span class='hs-varid'>ns</span> <span class='hs-varop'>+</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-321"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-layout'>(</span><span class='hs-conid'>Weak</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>ns</span> <span class='hs-varop'>+</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>i</span>
<a name="line-322"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sub</span> <span class='hs-varid'>s</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>weaki</span> <span class='hs-varid'>ns</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-323"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Left</span> <span class='hs-varid'>ns</span>
<a name="line-324"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-layout'>(</span><span class='hs-conid'>Skip</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>ns</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-325"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-layout'>(</span><span class='hs-conid'>Sub</span> <span class='hs-keyword'>_</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ns</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
</pre></body>
</html>
