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<title>src/full/Agda/Interaction/BasicOps.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP, MultiParamTypeClasses, FlexibleInstances,
<a name="line-2"></a> UndecidableInstances, DeriveFunctor
<a name="line-3"></a> #-}</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Interaction</span><span class='hs-varop'>.</span><span class='hs-conid'>BasicOps</span> <span class='hs-keyword'>where</span>
<a name="line-6"></a>
<a name="line-7"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
<a name="line-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Reader</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Map</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-layout'>(</span><span class='hs-conid'>Map</span><span class='hs-layout'>)</span>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Concrete</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>C</span> <span class='hs-comment'>-- ToDo: Remove with instance of ToConcrete</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Position</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Abstract</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>A</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-conid'>Open</span><span class='hs-layout'>)</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Common</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span><span class='hs-layout'>(</span><span class='hs-conid'>ExprInfo</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'>MetaInfo</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'>emptyMetaInfo</span><span class='hs-layout'>)</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>I</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Translation</span><span class='hs-varop'>.</span><span class='hs-conid'>InternalToAbstract</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Translation</span><span class='hs-varop'>.</span><span class='hs-conid'>AbstractToConcrete</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Translation</span><span class='hs-varop'>.</span><span class='hs-conid'>ConcreteToAbstract</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Scope</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Scope</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Fixity</span><span class='hs-layout'>(</span><span class='hs-conid'>Precedence</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Parser</span>
<a name="line-29"></a>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecker</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Conversion</span>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>M</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaInfo</span><span class='hs-layout'>)</span>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>MetaVars</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Reduce</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Substitute</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Telescope</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>EtaContract</span> <span class='hs-layout'>(</span><span class='hs-varid'>etaContract</span><span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Coverage</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Records</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Irrelevance</span> <span class='hs-layout'>(</span><span class='hs-varid'>wakeIrrelevantVars</span><span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Pretty</span> <span class='hs-layout'>(</span><span class='hs-varid'>prettyTCM</span><span class='hs-layout'>)</span>
<a name="line-42"></a><span class='hs-comment'>-- UNUSED: import Agda.TypeChecking.Eliminators (unElim)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeChecking</span><span class='hs-varop'>.</span><span class='hs-conid'>Pretty</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>TP</span>
<a name="line-44"></a>
<a name="line-45"></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'>List</span>
<a name="line-46"></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'>Monad</span>
<a name="line-47"></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'>Pretty</span>
<a name="line-48"></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'>Permutation</span>
<a name="line-49"></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'>Size</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='hs-cpp'>#include "../undefined.h"</span>
<a name="line-52"></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-53"></a>
<a name="line-54"></a><span class='hs-comment'>-- | Parses an expression.</span>
<a name="line-55"></a>
<a name="line-56"></a><a name="parseExpr"></a><span class='hs-definition'>parseExpr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Range</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Expr</span>
<a name="line-57"></a><span class='hs-definition'>parseExpr</span> <span class='hs-varid'>rng</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>parsePosString</span> <span class='hs-varid'>exprParser</span> <span class='hs-varid'>pos</span> <span class='hs-varid'>s</span>
<a name="line-58"></a> <span class='hs-keyword'>where</span>
<a name="line-59"></a> <span class='hs-varid'>pos</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>rStart</span> <span class='hs-varid'>rng</span> <span class='hs-keyword'>of</span>
<a name="line-60"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>pos</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pos</span>
<a name="line-61"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>startPos</span> <span class='hs-conid'>Nothing</span>
<a name="line-62"></a>
<a name="line-63"></a><a name="parseExprIn"></a><span class='hs-definition'>parseExprIn</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Range</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>Expr</span>
<a name="line-64"></a><span class='hs-definition'>parseExprIn</span> <span class='hs-varid'>ii</span> <span class='hs-varid'>rng</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-65"></a> <span class='hs-varid'>mId</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-66"></a> <span class='hs-varid'>updateMetaVarRange</span> <span class='hs-varid'>mId</span> <span class='hs-varid'>rng</span>
<a name="line-67"></a> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaInfo</span> <span class='hs-varop'><$></span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>mId</span>
<a name="line-68"></a> <span class='hs-varid'>e</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseExpr</span> <span class='hs-varid'>rng</span> <span class='hs-varid'>s</span>
<a name="line-69"></a> <span class='hs-varid'>concreteToAbstract</span> <span class='hs-layout'>(</span><span class='hs-varid'>clScope</span> <span class='hs-varid'>mi</span><span class='hs-layout'>)</span> <span class='hs-varid'>e</span>
<a name="line-70"></a>
<a name="line-71"></a><a name="giveExpr"></a><span class='hs-definition'>giveExpr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MetaId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>Expr</span>
<a name="line-72"></a><span class='hs-comment'>-- When translator from internal to abstract is given, this function might return</span>
<a name="line-73"></a><span class='hs-comment'>-- the expression returned by the type checker.</span>
<a name="line-74"></a><span class='hs-definition'>giveExpr</span> <span class='hs-varid'>mi</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-75"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>mi</span>
<a name="line-76"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-layout'>(</span><span class='hs-varid'>getMetaInfo</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>metaTypeCheck'</span> <span class='hs-varid'>mi</span> <span class='hs-varid'>e</span> <span class='hs-varid'>mv</span>
<a name="line-77"></a>
<a name="line-78"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>metaTypeCheck'</span> <span class='hs-varid'>mi</span> <span class='hs-varid'>e</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'>=</span>
<a name="line-79"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mvJudgement</span> <span class='hs-varid'>mv</span> <span class='hs-keyword'>of</span>
<a name="line-80"></a> <span class='hs-conid'>HasType</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-81"></a> <span class='hs-varid'>ctx</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getContextArgs</span>
<a name="line-82"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>t'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t</span> <span class='hs-varop'>`piApply`</span> <span class='hs-varid'>ctx</span>
<a name="line-83"></a> <span class='hs-varid'>v</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>checkExpr</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t'</span>
<a name="line-84"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mvInstantiation</span> <span class='hs-varid'>mv</span> <span class='hs-keyword'>of</span>
<a name="line-85"></a> <span class='hs-conid'>InstV</span> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>whenM</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Irrelevant</span> <span class='hs-varop'>/=</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>asks</span> <span class='hs-varid'>envRelevance</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-86"></a> <span class='hs-varid'>equalTerm</span> <span class='hs-varid'>t'</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>v'</span> <span class='hs-varop'>`apply`</span> <span class='hs-varid'>ctx</span><span class='hs-layout'>)</span>
<a name="line-87"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>updateMeta</span> <span class='hs-varid'>mi</span> <span class='hs-varid'>v</span>
<a name="line-88"></a> <span class='hs-varid'>reify</span> <span class='hs-varid'>v</span>
<a name="line-89"></a> <span class='hs-conid'>IsSort</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-90"></a>
<a name="line-91"></a><a name="give"></a><span class='hs-definition'>give</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Range</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-conid'>Expr</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>InteractionId</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-92"></a><span class='hs-definition'>give</span> <span class='hs-varid'>ii</span> <span class='hs-varid'>mr</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftTCM</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-93"></a> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-94"></a> <span class='hs-varid'>mis</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionPoints</span>
<a name="line-95"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionRange</span> <span class='hs-varid'>ii</span>
<a name="line-96"></a> <span class='hs-varid'>updateMetaVarRange</span> <span class='hs-varid'>mi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>r</span> <span class='hs-varid'>id</span> <span class='hs-varid'>mr</span>
<a name="line-97"></a> <span class='hs-varid'>giveExpr</span> <span class='hs-varid'>mi</span> <span class='hs-varid'>e</span> <span class='hs-varop'>`catchError`</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>err</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>err</span> <span class='hs-keyword'>of</span>
<a name="line-98"></a> <span class='hs-conid'>PatternErr</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-99"></a> <span class='hs-varid'>err</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withInteractionId</span> <span class='hs-varid'>ii</span> <span class='hs-varop'>$</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-str'>"Failed to give"</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.<+></span> <span class='hs-varid'>prettyTCM</span> <span class='hs-varid'>e</span>
<a name="line-100"></a> <span class='hs-varid'>typeError</span> <span class='hs-varop'>$</span> <span class='hs-conid'>GenericError</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varid'>err</span>
<a name="line-101"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throwError</span> <span class='hs-varid'>err</span>
<a name="line-102"></a> <span class='hs-varid'>removeInteractionPoint</span> <span class='hs-varid'>ii</span>
<a name="line-103"></a> <span class='hs-varid'>mis'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionPoints</span>
<a name="line-104"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span> <span class='hs-varid'>mis'</span> <span class='hs-varop'>\\</span> <span class='hs-varid'>mis</span><span class='hs-layout'>)</span>
<a name="line-105"></a>
<a name="line-106"></a>
<a name="line-107"></a><a name="addDecl"></a><span class='hs-definition'>addDecl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Declaration</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>InteractionId</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-108"></a><span class='hs-definition'>addDecl</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-109"></a> <span class='hs-varid'>mis</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionPoints</span>
<a name="line-110"></a> <span class='hs-varid'>checkDecl</span> <span class='hs-varid'>d</span>
<a name="line-111"></a> <span class='hs-varid'>mis'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionPoints</span>
<a name="line-112"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>mis'</span> <span class='hs-varop'>\\</span> <span class='hs-varid'>mis</span><span class='hs-layout'>)</span>
<a name="line-113"></a>
<a name="line-114"></a>
<a name="line-115"></a><a name="refine"></a><span class='hs-definition'>refine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Range</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-conid'>Expr</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>InteractionId</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-116"></a><span class='hs-definition'>refine</span> <span class='hs-varid'>ii</span> <span class='hs-varid'>mr</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-117"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-118"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>mi</span>
<a name="line-119"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>range</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>getRange</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varid'>id</span> <span class='hs-varid'>mr</span>
<a name="line-120"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>scope</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>getMetaScope</span> <span class='hs-varid'>mv</span>
<a name="line-121"></a> <span class='hs-varid'>tryRefine</span> <span class='hs-num'>10</span> <span class='hs-varid'>range</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>e</span>
<a name="line-122"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>tryRefine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Range</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ScopeInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-conid'>Expr</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>InteractionId</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-123"></a> <span class='hs-varid'>tryRefine</span> <span class='hs-varid'>nrOfMetas</span> <span class='hs-varid'>r</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varid'>nrOfMetas</span> <span class='hs-varid'>e</span>
<a name="line-124"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>try</span> <span class='hs-num'>0</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>throwError</span> <span class='hs-layout'>(</span><span class='hs-varid'>strMsg</span> <span class='hs-str'>"Can not refine"</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-varid'>try</span> <span class='hs-varid'>n</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>give</span> <span class='hs-varid'>ii</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-varid'>e</span> <span class='hs-varop'>`catchError`</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>try</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-layout'>(</span><span class='hs-varid'>appMeta</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-126"></a> <span class='hs-varid'>appMeta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span>
<a name="line-127"></a> <span class='hs-varid'>appMeta</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-128"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>metaVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>QuestionMark</span>
<a name="line-129"></a> <span class='hs-varop'>$</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span><span class='hs-varop'>.</span><span class='hs-conid'>MetaInfo</span>
<a name="line-130"></a> <span class='hs-layout'>{</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span><span class='hs-varop'>.</span><span class='hs-varid'>metaRange</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>r</span>
<a name="line-131"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Agda</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span><span class='hs-varop'>.</span><span class='hs-varid'>metaScope</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>{</span> <span class='hs-varid'>scopePrecedence</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-layout'>}</span>
<a name="line-132"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>metaNumber</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-133"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>metaNameSuggestion</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-134"></a> <span class='hs-layout'>}</span>
<a name="line-135"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>ExprRange</span> <span class='hs-varop'>$</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-varid'>e</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultNamedArg</span> <span class='hs-varid'>metaVar</span><span class='hs-layout'>)</span>
<a name="line-136"></a> <span class='hs-comment'>--ToDo: The position of metaVar is not correct</span>
<a name="line-137"></a> <span class='hs-comment'>--ToDo: The fixity of metavars is not correct -- fixed? MT</span>
<a name="line-138"></a>
<a name="line-139"></a><a name="evalInCurrent"></a><span class='hs-comment'>{-| Evaluate the given expression in the current environment -}</span>
<a name="line-140"></a><span class='hs-definition'>evalInCurrent</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>Expr</span>
<a name="line-141"></a><span class='hs-definition'>evalInCurrent</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-142"></a> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>inferExpr</span> <span class='hs-varid'>e</span>
<a name="line-143"></a> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'><-</span> <span class='hs-comment'>{- etaContract =<< -}</span> <span class='hs-varid'>normalise</span> <span class='hs-varid'>v</span>
<a name="line-144"></a> <span class='hs-varid'>reify</span> <span class='hs-varid'>v'</span>
<a name="line-145"></a>
<a name="line-146"></a>
<a name="line-147"></a><a name="evalInMeta"></a><span class='hs-definition'>evalInMeta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>Expr</span>
<a name="line-148"></a><span class='hs-definition'>evalInMeta</span> <span class='hs-varid'>ii</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-149"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-150"></a> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaInfo</span> <span class='hs-varop'><$></span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>m</span>
<a name="line-151"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-varid'>mi</span> <span class='hs-varop'>$</span>
<a name="line-152"></a> <span class='hs-varid'>evalInCurrent</span> <span class='hs-varid'>e</span>
<a name="line-153"></a>
<a name="line-154"></a>
<a name="line-155"></a><a name="Rewrite"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AsIs</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Instantiated</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HeadNormal</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Normalised</span>
<a name="line-156"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Read</span><span class='hs-layout'>)</span>
<a name="line-157"></a>
<a name="line-158"></a><a name="rewrite"></a><span class='hs-comment'>--rewrite :: Rewrite -> Term -> TCM Term</span>
<a name="line-159"></a><span class='hs-definition'>rewrite</span> <span class='hs-conid'>AsIs</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span>
<a name="line-160"></a><span class='hs-definition'>rewrite</span> <span class='hs-conid'>Instantiated</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>t</span> <span class='hs-comment'>-- reify does instantiation</span>
<a name="line-161"></a><span class='hs-definition'>rewrite</span> <span class='hs-conid'>HeadNormal</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{- etaContract =<< -}</span> <span class='hs-varid'>reduce</span> <span class='hs-varid'>t</span>
<a name="line-162"></a><span class='hs-definition'>rewrite</span> <span class='hs-conid'>Normalised</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{- etaContract =<< -}</span> <span class='hs-varid'>normalise</span> <span class='hs-varid'>t</span>
<a name="line-163"></a>
<a name="line-164"></a>
<a name="line-165"></a><a name="OutputForm"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>OutputForm</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OutputForm</span> <span class='hs-conid'>ProblemId</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-166"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span><span class='hs-layout'>)</span>
<a name="line-167"></a>
<a name="line-168"></a><a name="OutputConstraint"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span>
<a name="line-169"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OfType</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CmpInType</span> <span class='hs-conid'>Comparison</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>b</span>
<a name="line-170"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CmpElim</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Polarity</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span>
<a name="line-171"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>JustType</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CmpTypes</span> <span class='hs-conid'>Comparison</span> <span class='hs-varid'>b</span> <span class='hs-varid'>b</span>
<a name="line-172"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CmpLevels</span> <span class='hs-conid'>Comparison</span> <span class='hs-varid'>b</span> <span class='hs-varid'>b</span>
<a name="line-173"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CmpTeles</span> <span class='hs-conid'>Comparison</span> <span class='hs-varid'>b</span> <span class='hs-varid'>b</span>
<a name="line-174"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>JustSort</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CmpSorts</span> <span class='hs-conid'>Comparison</span> <span class='hs-varid'>b</span> <span class='hs-varid'>b</span>
<a name="line-175"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Guard</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-conid'>ProblemId</span>
<a name="line-176"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Assign</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TypedAssign</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-varid'>a</span>
<a name="line-177"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IsEmptyType</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FindInScopeOF</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-178"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span><span class='hs-layout'>)</span>
<a name="line-179"></a>
<a name="line-180"></a><span class='hs-comment'>-- | A subset of 'OutputConstraint'.</span>
<a name="line-181"></a>
<a name="line-182"></a><a name="OutputConstraint'"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>OutputConstraint'</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OfType'</span> <span class='hs-layout'>{</span> <span class='hs-varid'>ofName</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>b</span>
<a name="line-183"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>ofExpr</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span>
<a name="line-184"></a> <span class='hs-layout'>}</span>
<a name="line-185"></a>
<a name="line-186"></a><a name="outputFormId"></a><span class='hs-definition'>outputFormId</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OutputForm</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
<a name="line-187"></a><span class='hs-definition'>outputFormId</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>out</span> <span class='hs-varid'>o</span>
<a name="line-188"></a> <span class='hs-keyword'>where</span>
<a name="line-189"></a> <span class='hs-varid'>out</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>o</span> <span class='hs-keyword'>of</span>
<a name="line-190"></a> <span class='hs-conid'>OfType</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-191"></a> <span class='hs-conid'>CmpInType</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-192"></a> <span class='hs-conid'>CmpElim</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-193"></a> <span class='hs-conid'>CmpElim</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-194"></a> <span class='hs-conid'>JustType</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-195"></a> <span class='hs-conid'>CmpLevels</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-196"></a> <span class='hs-conid'>CmpTypes</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-197"></a> <span class='hs-conid'>CmpTeles</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-198"></a> <span class='hs-conid'>JustSort</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-199"></a> <span class='hs-conid'>CmpSorts</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-200"></a> <span class='hs-conid'>Guard</span> <span class='hs-varid'>o</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>out</span> <span class='hs-varid'>o</span>
<a name="line-201"></a> <span class='hs-conid'>Assign</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-202"></a> <span class='hs-conid'>TypedAssign</span> <span class='hs-varid'>i</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span>
<a name="line-203"></a> <span class='hs-conid'>IsEmptyType</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span> <span class='hs-comment'>-- Should never be used on IsEmpty constraints</span>
<a name="line-204"></a> <span class='hs-conid'>FindInScopeOF</span> <span class='hs-keyword'>_</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-205"></a>
<a name="line-206"></a><a name="instance%20Reify%20ProblemConstraint%20(Closure%20(OutputForm%20Expr%20Expr))"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Reify</span> <span class='hs-conid'>ProblemConstraint</span> <span class='hs-layout'>(</span><span class='hs-conid'>Closure</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>Expr</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-207"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>PConstr</span> <span class='hs-varid'>pid</span> <span class='hs-varid'>cl</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>enterClosure</span> <span class='hs-varid'>cl</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>buildClosure</span> <span class='hs-varop'>=<<</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-varid'>pid</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-208"></a>
<a name="line-209"></a><a name="instance%20Reify%20Constraint%20(OutputConstraint%20Expr%20Expr)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Reify</span> <span class='hs-conid'>Constraint</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>Expr</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-210"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>ValueCmp</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>u</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpInType</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>u</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>v</span>
<a name="line-211"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>ElimCmp</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>v</span> <span class='hs-varid'>es1</span> <span class='hs-varid'>es2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-212"></a> <span class='hs-conid'>CmpElim</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>es1</span>
<a name="line-213"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>es2</span>
<a name="line-214"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>LevelCmp</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpLevels</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t'</span>
<a name="line-215"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypeCmp</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpTypes</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t'</span>
<a name="line-216"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>TelCmp</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpTeles</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-layout'>(</span><span class='hs-conid'>ETel</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'><*></span> <span class='hs-layout'>(</span><span class='hs-conid'>ETel</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span>
<a name="line-217"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>SortCmp</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpSorts</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>s</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>s'</span>
<a name="line-218"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>Guarded</span> <span class='hs-varid'>c</span> <span class='hs-varid'>pid</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-219"></a> <span class='hs-varid'>o</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varid'>c</span>
<a name="line-220"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Guard</span> <span class='hs-varid'>o</span> <span class='hs-varid'>pid</span>
<a name="line-221"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>UnBlock</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-222"></a> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mvInstantiation</span> <span class='hs-varop'><$></span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>m</span>
<a name="line-223"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mi</span> <span class='hs-keyword'>of</span>
<a name="line-224"></a> <span class='hs-conid'>BlockedConst</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-225"></a> <span class='hs-varid'>e</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span>
<a name="line-226"></a> <span class='hs-varid'>m'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-227"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Assign</span> <span class='hs-varid'>m'</span> <span class='hs-varid'>e</span>
<a name="line-228"></a> <span class='hs-conid'>PostponedTypeCheckingProblem</span> <span class='hs-varid'>cl</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>enterClosure</span> <span class='hs-varid'>cl</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-layout'>,</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-229"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varid'>a</span>
<a name="line-230"></a> <span class='hs-varid'>m'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-231"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>TypedAssign</span> <span class='hs-varid'>m'</span> <span class='hs-varid'>e</span> <span class='hs-varid'>a</span>
<a name="line-232"></a> <span class='hs-conid'>Open</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-233"></a> <span class='hs-conid'>OpenIFS</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-234"></a> <span class='hs-conid'>InstS</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-235"></a> <span class='hs-conid'>InstV</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-236"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>FindInScope</span> <span class='hs-varid'>m</span> <span class='hs-varid'>cands</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-237"></a> <span class='hs-varid'>m'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-238"></a> <span class='hs-varid'>ctxArgs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getContextArgs</span>
<a name="line-239"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaType</span> <span class='hs-varid'>m</span>
<a name="line-240"></a> <span class='hs-varid'>t'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varid'>t</span>
<a name="line-241"></a> <span class='hs-varid'>cands'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>tm</span><span class='hs-layout'>,</span><span class='hs-varid'>ty</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>(,)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>tm</span> <span class='hs-varop'><*></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>ty</span><span class='hs-layout'>)</span> <span class='hs-varid'>cands</span>
<a name="line-242"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>FindInScopeOF</span> <span class='hs-varid'>m'</span> <span class='hs-varid'>t'</span> <span class='hs-varid'>cands'</span> <span class='hs-comment'>-- IFSTODO</span>
<a name="line-243"></a> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsEmpty</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IsEmptyType</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-varid'>a</span>
<a name="line-244"></a>
<a name="line-245"></a><a name="showComparison"></a><span class='hs-definition'>showComparison</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Comparison</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-246"></a><span class='hs-definition'>showComparison</span> <span class='hs-conid'>CmpEq</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>" = "</span>
<a name="line-247"></a><span class='hs-definition'>showComparison</span> <span class='hs-conid'>CmpLeq</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>" =< "</span>
<a name="line-248"></a>
<a name="line-249"></a><a name="instance%20Show%20(OutputForm%20a%20b)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-conid'>Show</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Show</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-250"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-num'>0</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>c</span>
<a name="line-251"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-varid'>pid</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"["</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>pid</span> <span class='hs-varop'>++</span> <span class='hs-str'>"] "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>c</span>
<a name="line-252"></a>
<a name="line-253"></a><a name="instance%20Show%20(OutputConstraint%20a%20b)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-conid'>Show</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Show</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-254"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>OfType</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span> <span class='hs-varop'>++</span> <span class='hs-str'>" : "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t</span>
<a name="line-255"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>JustType</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Type "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span>
<a name="line-256"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>JustSort</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Sort "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span>
<a name="line-257"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpInType</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showComparison</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e'</span> <span class='hs-varop'>++</span> <span class='hs-str'>" : "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t</span>
<a name="line-258"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpElim</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span> <span class='hs-varop'>++</span> <span class='hs-str'>" == "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e'</span> <span class='hs-varop'>++</span> <span class='hs-str'>" : "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t</span>
<a name="line-259"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpTypes</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showComparison</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t'</span>
<a name="line-260"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpLevels</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showComparison</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t'</span>
<a name="line-261"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpTeles</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showComparison</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>t'</span>
<a name="line-262"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpSorts</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showComparison</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>s'</span>
<a name="line-263"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>Guard</span> <span class='hs-varid'>o</span> <span class='hs-varid'>pid</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>o</span> <span class='hs-varop'>++</span> <span class='hs-str'>" [blocked by problem "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>pid</span> <span class='hs-varop'>++</span> <span class='hs-str'>"]"</span>
<a name="line-264"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>Assign</span> <span class='hs-varid'>m</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>m</span> <span class='hs-varop'>++</span> <span class='hs-str'>" := "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span>
<a name="line-265"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedAssign</span> <span class='hs-varid'>m</span> <span class='hs-varid'>e</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>m</span> <span class='hs-varop'>++</span> <span class='hs-str'>" := "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>e</span> <span class='hs-varop'>++</span> <span class='hs-str'>" :? "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>a</span>
<a name="line-266"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsEmptyType</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Is empty: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>a</span>
<a name="line-267"></a> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-conid'>FindInScopeOF</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Resolve implicit argument "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showCand</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>". Candidates: ["</span> <span class='hs-varop'>++</span>
<a name="line-268"></a> <span class='hs-varid'>intercalate</span> <span class='hs-str'>", "</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>showCand</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"]"</span>
<a name="line-269"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>showCand</span> <span class='hs-layout'>(</span><span class='hs-varid'>tm</span><span class='hs-layout'>,</span><span class='hs-varid'>ty</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>tm</span> <span class='hs-varop'>++</span> <span class='hs-str'>" : "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>ty</span>
<a name="line-270"></a>
<a name="line-271"></a><a name="instance%20ToConcrete%20(OutputForm%20a%20b)%20(OutputForm%20c%20d)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>ToConcrete</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-conid'>ToConcrete</span> <span class='hs-varid'>b</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span>
<a name="line-272"></a> <span class='hs-conid'>ToConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-273"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputForm</span> <span class='hs-varid'>pid</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OutputForm</span> <span class='hs-varid'>pid</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>c</span>
<a name="line-274"></a>
<a name="line-275"></a><a name="instance%20ToConcrete%20(OutputConstraint%20a%20b)%20(OutputConstraint%20c%20d)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>ToConcrete</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-conid'>ToConcrete</span> <span class='hs-varid'>b</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span>
<a name="line-276"></a> <span class='hs-conid'>ToConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-277"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>OfType</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OfType</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>e</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>t</span>
<a name="line-278"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>JustType</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>JustType</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>e</span>
<a name="line-279"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>JustSort</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>JustSort</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>e</span>
<a name="line-280"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpInType</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-281"></a> <span class='hs-conid'>CmpInType</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>t</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e</span>
<a name="line-282"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e'</span>
<a name="line-283"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpElim</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>t</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-284"></a> <span class='hs-conid'>CmpElim</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>t</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>e</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>e'</span>
<a name="line-285"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpTypes</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpTypes</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e</span>
<a name="line-286"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e'</span>
<a name="line-287"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpLevels</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpLevels</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e</span>
<a name="line-288"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e'</span>
<a name="line-289"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpTeles</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpTeles</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>e</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>e'</span>
<a name="line-290"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmpSorts</span> <span class='hs-varid'>cmp</span> <span class='hs-varid'>e</span> <span class='hs-varid'>e'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CmpSorts</span> <span class='hs-varid'>cmp</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e</span>
<a name="line-291"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>ArgumentCtx</span> <span class='hs-varid'>e'</span>
<a name="line-292"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>Guard</span> <span class='hs-varid'>o</span> <span class='hs-varid'>pid</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Guard</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>o</span> <span class='hs-varop'><*></span> <span class='hs-varid'>pure</span> <span class='hs-varid'>pid</span>
<a name="line-293"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>Assign</span> <span class='hs-varid'>m</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>noTakenNames</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Assign</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>m</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>e</span>
<a name="line-294"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedAssign</span> <span class='hs-varid'>m</span> <span class='hs-varid'>e</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TypedAssign</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>m</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>e</span>
<a name="line-295"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>a</span>
<a name="line-296"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsEmptyType</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IsEmptyType</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>a</span>
<a name="line-297"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>FindInScopeOF</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span> <span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-298"></a> <span class='hs-conid'>FindInScopeOF</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>s</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>t</span>
<a name="line-299"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>tm</span><span class='hs-layout'>,</span><span class='hs-varid'>ty</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>(,)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>tm</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>ty</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-300"></a>
<a name="line-301"></a><a name="instance%20Pretty%20(OutputConstraint'%20a%20b)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pretty</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Pretty</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Pretty</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint'</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-302"></a> <span class='hs-varid'>pretty</span> <span class='hs-layout'>(</span><span class='hs-conid'>OfType'</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pretty</span> <span class='hs-varid'>e</span> <span class='hs-varop'><+></span> <span class='hs-varid'>text</span> <span class='hs-str'>":"</span> <span class='hs-varop'><+></span> <span class='hs-varid'>pretty</span> <span class='hs-varid'>t</span>
<a name="line-303"></a>
<a name="line-304"></a><a name="instance%20ToConcrete%20(OutputConstraint'%20a%20b)%20(OutputConstraint'%20c%20d)"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>ToConcrete</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-conid'>ToConcrete</span> <span class='hs-varid'>b</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span>
<a name="line-305"></a> <span class='hs-conid'>ToConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint'</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-306"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>OfType'</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OfType'</span> <span class='hs-varop'><$></span> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>e</span> <span class='hs-varop'><*></span> <span class='hs-varid'>toConcreteCtx</span> <span class='hs-conid'>TopCtx</span> <span class='hs-varid'>t</span>
<a name="line-307"></a>
<a name="line-308"></a><a name="instance%20ToConcrete%20InteractionId%20C.Expr"></a><span class='hs-comment'>--ToDo: Move somewhere else</span>
<a name="line-309"></a><a name="instance%20ToConcrete%20InteractionId%20C.Expr"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ToConcrete</span> <span class='hs-conid'>InteractionId</span> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Expr</span> <span class='hs-keyword'>where</span>
<a name="line-310"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-layout'>(</span><span class='hs-conid'>InteractionId</span> <span class='hs-varid'>i</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'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>QuestionMark</span> <span class='hs-varid'>noRange</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-311"></a><a name="instance%20ToConcrete%20NamedMeta%20C.Expr"></a><span class='hs-comment'>{- UNUSED
<a name="line-312"></a>instance ToConcrete MetaId C.Expr where
<a name="line-313"></a> toConcrete x@(MetaId i) = do
<a name="line-314"></a> return $ C.Underscore noRange (Just $ "_" ++ show i)
<a name="line-315"></a>-}</span>
<a name="line-316"></a><a name="instance%20ToConcrete%20NamedMeta%20C.Expr"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ToConcrete</span> <span class='hs-conid'>NamedMeta</span> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Expr</span> <span class='hs-keyword'>where</span>
<a name="line-317"></a> <span class='hs-varid'>toConcrete</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-318"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Underscore</span> <span class='hs-varid'>noRange</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>show</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-319"></a>
<a name="line-320"></a><a name="judgToOutputForm"></a><span class='hs-definition'>judgToOutputForm</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Judgement</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>OutputConstraint</span> <span class='hs-varid'>a</span> <span class='hs-varid'>c</span>
<a name="line-321"></a><span class='hs-definition'>judgToOutputForm</span> <span class='hs-layout'>(</span><span class='hs-conid'>HasType</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OfType</span> <span class='hs-varid'>e</span> <span class='hs-varid'>t</span>
<a name="line-322"></a><span class='hs-definition'>judgToOutputForm</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsSort</span> <span class='hs-varid'>s</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>JustSort</span> <span class='hs-varid'>s</span>
<a name="line-323"></a>
<a name="line-324"></a><a name="getConstraints"></a><span class='hs-definition'>getConstraints</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TCM</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OutputForm</span> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Expr</span> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Expr</span><span class='hs-keyglyph'>]</span>
<a name="line-325"></a><span class='hs-definition'>getConstraints</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftTCM</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-326"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>getAllConstraints</span>
<a name="line-327"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>forM</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-328"></a> <span class='hs-varid'>cl</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varid'>c</span>
<a name="line-329"></a> <span class='hs-varid'>enterClosure</span> <span class='hs-varid'>cl</span> <span class='hs-varid'>abstractToConcrete_</span>
<a name="line-330"></a> <span class='hs-varid'>ss</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>toOutputForm</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>getSolvedInteractionPoints</span>
<a name="line-331"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ss</span> <span class='hs-varop'>++</span> <span class='hs-varid'>cs</span>
<a name="line-332"></a> <span class='hs-keyword'>where</span>
<a name="line-333"></a> <span class='hs-varid'>toOutputForm</span> <span class='hs-layout'>(</span><span class='hs-varid'>ii</span><span class='hs-layout'>,</span> <span class='hs-varid'>mi</span><span class='hs-layout'>,</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-334"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaInfo</span> <span class='hs-varop'><$></span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>mi</span>
<a name="line-335"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-varid'>mv</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-336"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>QuestionMark</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emptyMetaInfo</span> <span class='hs-layout'>{</span> <span class='hs-varid'>metaNumber</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ii</span> <span class='hs-layout'>}</span>
<a name="line-337"></a> <span class='hs-varid'>abstractToConcrete_</span> <span class='hs-varop'>$</span> <span class='hs-conid'>OutputForm</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Assign</span> <span class='hs-varid'>m</span> <span class='hs-varid'>e</span>
<a name="line-338"></a>
<a name="line-339"></a><a name="getSolvedInteractionPoints"></a><span class='hs-definition'>getSolvedInteractionPoints</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TCM</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>InteractionId</span><span class='hs-layout'>,</span> <span class='hs-conid'>MetaId</span><span class='hs-layout'>,</span> <span class='hs-conid'>Expr</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-340"></a><span class='hs-definition'>getSolvedInteractionPoints</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-341"></a> <span class='hs-varid'>is</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionPoints</span>
<a name="line-342"></a> <span class='hs-varid'>concat</span> <span class='hs-varop'><$></span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>solution</span> <span class='hs-varid'>is</span>
<a name="line-343"></a> <span class='hs-keyword'>where</span>
<a name="line-344"></a> <span class='hs-varid'>solution</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-345"></a> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>i</span>
<a name="line-346"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>m</span>
<a name="line-347"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-layout'>(</span><span class='hs-varid'>getMetaInfo</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-348"></a> <span class='hs-varid'>args</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getContextArgs</span>
<a name="line-349"></a> <span class='hs-varid'>scope</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getScope</span>
<a name="line-350"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>sol</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varid'>v</span><span class='hs-layout'>;</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>ScopedExpr</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-351"></a> <span class='hs-varid'>unsol</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-352"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mvInstantiation</span> <span class='hs-varid'>mv</span> <span class='hs-keyword'>of</span>
<a name="line-353"></a> <span class='hs-conid'>InstV</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>sol</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaV</span> <span class='hs-varid'>m</span> <span class='hs-varid'>args</span><span class='hs-layout'>)</span>
<a name="line-354"></a> <span class='hs-conid'>InstS</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>sol</span> <span class='hs-layout'>(</span><span class='hs-conid'>Level</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Max</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Plus</span> <span class='hs-num'>0</span> <span class='hs-varop'>$</span> <span class='hs-conid'>MetaLevel</span> <span class='hs-varid'>m</span> <span class='hs-varid'>args</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-355"></a> <span class='hs-conid'>Open</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsol</span>
<a name="line-356"></a> <span class='hs-conid'>OpenIFS</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsol</span>
<a name="line-357"></a> <span class='hs-conid'>BlockedConst</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsol</span>
<a name="line-358"></a> <span class='hs-conid'>PostponedTypeCheckingProblem</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>unsol</span>
<a name="line-359"></a>
<a name="line-360"></a><a name="typeOfMetaMI"></a><span class='hs-definition'>typeOfMetaMI</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MetaId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>NamedMeta</span><span class='hs-layout'>)</span>
<a name="line-361"></a><span class='hs-definition'>typeOfMetaMI</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'>=</span>
<a name="line-362"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>mi</span>
<a name="line-363"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-layout'>(</span><span class='hs-varid'>getMetaInfo</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-364"></a> <span class='hs-varid'>rewriteJudg</span> <span class='hs-varid'>mv</span> <span class='hs-layout'>(</span><span class='hs-varid'>mvJudgement</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span>
<a name="line-365"></a> <span class='hs-keyword'>where</span>
<a name="line-366"></a> <span class='hs-varid'>rewriteJudg</span> <span class='hs-varid'>mv</span> <span class='hs-layout'>(</span><span class='hs-conid'>HasType</span> <span class='hs-varid'>i</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-367"></a> <span class='hs-varid'>ms</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaNameSuggestion</span> <span class='hs-varid'>i</span>
<a name="line-368"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>rewrite</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>t</span>
<a name="line-369"></a> <span class='hs-varid'>vs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getContextArgs</span>
<a name="line-370"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NamedMeta</span> <span class='hs-varid'>ms</span> <span class='hs-varid'>i</span>
<a name="line-371"></a> <span class='hs-varid'>reportSDoc</span> <span class='hs-str'>"interactive.meta"</span> <span class='hs-num'>10</span> <span class='hs-varop'>$</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>vcat</span>
<a name="line-372"></a> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unwords</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"permuting"</span><span class='hs-layout'>,</span> <span class='hs-varid'>show</span> <span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-str'>"with"</span><span class='hs-layout'>,</span> <span class='hs-varid'>show</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mvPermutation</span> <span class='hs-varid'>mv</span><span class='hs-keyglyph'>]</span>
<a name="line-373"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>nest</span> <span class='hs-num'>2</span> <span class='hs-varop'>$</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>vcat</span>
<a name="line-374"></a> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-str'>"len ="</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.<+></span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varop'>$</span> <span class='hs-varid'>length</span> <span class='hs-varid'>vs</span><span class='hs-layout'>)</span>
<a name="line-375"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-str'>"args ="</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.<+></span> <span class='hs-varid'>prettyTCM</span> <span class='hs-varid'>vs</span>
<a name="line-376"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-str'>"t ="</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.<+></span> <span class='hs-varid'>prettyTCM</span> <span class='hs-varid'>t</span>
<a name="line-377"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-str'>"x ="</span> <span class='hs-conid'>TP</span><span class='hs-varop'>.<+></span> <span class='hs-conid'>TP</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-378"></a> <span class='hs-keyglyph'>]</span>
<a name="line-379"></a> <span class='hs-keyglyph'>]</span>
<a name="line-380"></a> <span class='hs-conid'>OfType</span> <span class='hs-varid'>x</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reify</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varop'>`piApply`</span> <span class='hs-varid'>permute</span> <span class='hs-layout'>(</span><span class='hs-varid'>takeP</span> <span class='hs-layout'>(</span><span class='hs-varid'>size</span> <span class='hs-varid'>vs</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mvPermutation</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varid'>vs</span><span class='hs-layout'>)</span>
<a name="line-381"></a> <span class='hs-varid'>rewriteJudg</span> <span class='hs-varid'>mv</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsSort</span> <span class='hs-varid'>i</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-382"></a> <span class='hs-varid'>ms</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaNameSuggestion</span> <span class='hs-varid'>i</span>
<a name="line-383"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>JustSort</span> <span class='hs-varop'>$</span> <span class='hs-conid'>NamedMeta</span> <span class='hs-varid'>ms</span> <span class='hs-varid'>i</span>
<a name="line-384"></a>
<a name="line-385"></a>
<a name="line-386"></a><a name="typeOfMeta"></a><span class='hs-definition'>typeOfMeta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>InteractionId</span><span class='hs-layout'>)</span>
<a name="line-387"></a><span class='hs-definition'>typeOfMeta</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>ii</span> <span class='hs-keyglyph'>=</span>
<a name="line-388"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-389"></a> <span class='hs-varid'>out</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>typeOfMetaMI</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>mi</span>
<a name="line-390"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ii</span><span class='hs-layout'>)</span> <span class='hs-varid'>out</span>
<a name="line-391"></a>
<a name="line-392"></a><a name="typesOfVisibleMetas"></a><span class='hs-definition'>typesOfVisibleMetas</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>InteractionId</span><span class='hs-keyglyph'>]</span>
<a name="line-393"></a><span class='hs-definition'>typesOfVisibleMetas</span> <span class='hs-varid'>norm</span> <span class='hs-keyglyph'>=</span>
<a name="line-394"></a> <span class='hs-varid'>liftTCM</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>typeOfMeta</span> <span class='hs-varid'>norm</span><span class='hs-layout'>)</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>getInteractionPoints</span>
<a name="line-395"></a>
<a name="line-396"></a><a name="typesOfHiddenMetas"></a><span class='hs-definition'>typesOfHiddenMetas</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OutputConstraint</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>NamedMeta</span><span class='hs-keyglyph'>]</span>
<a name="line-397"></a><span class='hs-definition'>typesOfHiddenMetas</span> <span class='hs-varid'>norm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftTCM</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-398"></a> <span class='hs-varid'>is</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInteractionMetas</span>
<a name="line-399"></a> <span class='hs-varid'>store</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>filterWithKey</span> <span class='hs-layout'>(</span><span class='hs-varid'>openAndImplicit</span> <span class='hs-varid'>is</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getMetaStore</span>
<a name="line-400"></a> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>typeOfMetaMI</span> <span class='hs-varid'>norm</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>keys</span> <span class='hs-varid'>store</span>
<a name="line-401"></a> <span class='hs-keyword'>where</span>
<a name="line-402"></a> <span class='hs-varid'>openAndImplicit</span> <span class='hs-varid'>is</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaVar</span><span class='hs-layout'>{</span><span class='hs-varid'>mvInstantiation</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>Open</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>is</span>
<a name="line-403"></a> <span class='hs-varid'>openAndImplicit</span> <span class='hs-varid'>is</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-conid'>MetaVar</span><span class='hs-layout'>{</span><span class='hs-varid'>mvInstantiation</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>BlockedConst</span> <span class='hs-keyword'>_</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-404"></a> <span class='hs-varid'>openAndImplicit</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-405"></a>
<a name="line-406"></a><span class='hs-comment'>-- Gives a list of names and corresponding types.</span>
<a name="line-407"></a>
<a name="line-408"></a><a name="contextOfMeta"></a><span class='hs-definition'>contextOfMeta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OutputConstraint'</span> <span class='hs-conid'>Expr</span> <span class='hs-conid'>Name</span><span class='hs-keyglyph'>]</span>
<a name="line-409"></a><span class='hs-definition'>contextOfMeta</span> <span class='hs-varid'>ii</span> <span class='hs-varid'>norm</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-410"></a> <span class='hs-varid'>info</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaInfo</span> <span class='hs-varop'><$></span> <span class='hs-layout'>(</span><span class='hs-varid'>lookupMeta</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span><span class='hs-layout'>)</span>
<a name="line-411"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>localVars</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>ctxEntry</span> <span class='hs-varop'>.</span> <span class='hs-varid'>envContext</span> <span class='hs-varop'>.</span> <span class='hs-varid'>clEnv</span> <span class='hs-varop'>$</span> <span class='hs-varid'>info</span>
<a name="line-412"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-varid'>info</span> <span class='hs-varop'>$</span> <span class='hs-varid'>gfilter</span> <span class='hs-varid'>visible</span> <span class='hs-varop'><$></span> <span class='hs-varid'>reifyContext</span> <span class='hs-varid'>localVars</span>
<a name="line-413"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>gfilter</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>catMaybes</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>p</span>
<a name="line-414"></a> <span class='hs-varid'>visible</span> <span class='hs-layout'>(</span><span class='hs-conid'>OfType</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span> <span class='hs-varop'>/=</span> <span class='hs-str'>"_"</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>OfType'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-415"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-416"></a> <span class='hs-varid'>visible</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-417"></a> <span class='hs-varid'>reifyContext</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'><$></span> <span class='hs-varid'>zipWithM</span> <span class='hs-varid'>out</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>xs</span>
<a name="line-418"></a>
<a name="line-419"></a> <span class='hs-varid'>out</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>Dom</span> <span class='hs-varid'>h</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>escapeContext</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-420"></a> <span class='hs-varid'>t'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reify</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>rewrite</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>t</span>
<a name="line-421"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>OfType</span> <span class='hs-varid'>x</span> <span class='hs-varid'>t'</span>
<a name="line-422"></a>
<a name="line-423"></a>
<a name="line-424"></a><a name="typeInCurrent"></a><span class='hs-comment'>-- | Returns the type of the expression in the current environment</span>
<a name="line-425"></a><span class='hs-comment'>-- We wake up irrelevant variables just in case the user want to</span>
<a name="line-426"></a><span class='hs-comment'>-- invoke that command in an irrelevant context.</span>
<a name="line-427"></a><span class='hs-definition'>typeInCurrent</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>Expr</span>
<a name="line-428"></a><span class='hs-definition'>typeInCurrent</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-429"></a> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>wakeIrrelevantVars</span> <span class='hs-varop'>$</span> <span class='hs-varid'>inferExpr</span> <span class='hs-varid'>e</span>
<a name="line-430"></a> <span class='hs-varid'>v</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>rewrite</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>t</span>
<a name="line-431"></a> <span class='hs-varid'>reify</span> <span class='hs-varid'>v</span>
<a name="line-432"></a>
<a name="line-433"></a>
<a name="line-434"></a>
<a name="line-435"></a><a name="typeInMeta"></a><span class='hs-definition'>typeInMeta</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Rewrite</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-conid'>Expr</span>
<a name="line-436"></a><span class='hs-definition'>typeInMeta</span> <span class='hs-varid'>ii</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-437"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-438"></a> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMetaInfo</span> <span class='hs-varop'><$></span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>m</span>
<a name="line-439"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-varid'>mi</span> <span class='hs-varop'>$</span>
<a name="line-440"></a> <span class='hs-varid'>typeInCurrent</span> <span class='hs-varid'>norm</span> <span class='hs-varid'>e</span>
<a name="line-441"></a>
<a name="line-442"></a><a name="withInteractionId"></a><span class='hs-definition'>withInteractionId</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-varid'>a</span>
<a name="line-443"></a><span class='hs-definition'>withInteractionId</span> <span class='hs-varid'>i</span> <span class='hs-varid'>ret</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-444"></a> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>i</span>
<a name="line-445"></a> <span class='hs-varid'>withMetaId</span> <span class='hs-varid'>m</span> <span class='hs-varid'>ret</span>
<a name="line-446"></a>
<a name="line-447"></a><a name="withMetaId"></a><span class='hs-definition'>withMetaId</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MetaId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-varid'>a</span>
<a name="line-448"></a><span class='hs-definition'>withMetaId</span> <span class='hs-varid'>m</span> <span class='hs-varid'>ret</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-449"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>m</span>
<a name="line-450"></a> <span class='hs-varid'>withMetaInfo'</span> <span class='hs-varid'>mv</span> <span class='hs-varid'>ret</span>
<a name="line-451"></a>
<a name="line-452"></a><span class='hs-comment'>-- The intro tactic</span>
<a name="line-453"></a>
<a name="line-454"></a><a name="introTactic"></a><span class='hs-comment'>-- Returns the terms (as strings) that can be</span>
<a name="line-455"></a><span class='hs-comment'>-- used to refine the goal. Uses the coverage checker</span>
<a name="line-456"></a><span class='hs-comment'>-- to find out which constructors are possible.</span>
<a name="line-457"></a><span class='hs-definition'>introTactic</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>InteractionId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-458"></a><span class='hs-definition'>introTactic</span> <span class='hs-varid'>pmLambda</span> <span class='hs-varid'>ii</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-459"></a> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupInteractionId</span> <span class='hs-varid'>ii</span>
<a name="line-460"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupMeta</span> <span class='hs-varid'>mi</span>
<a name="line-461"></a> <span class='hs-varid'>withMetaInfo</span> <span class='hs-layout'>(</span><span class='hs-varid'>getMetaInfo</span> <span class='hs-varid'>mv</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>mvJudgement</span> <span class='hs-varid'>mv</span> <span class='hs-keyword'>of</span>
<a name="line-462"></a> <span class='hs-conid'>HasType</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-463"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reduce</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>piApply</span> <span class='hs-varid'>t</span> <span class='hs-varop'><$></span> <span class='hs-varid'>getContextArgs</span>
<a name="line-464"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>ignoreSharing</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unEl</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-465"></a> <span class='hs-conid'>I</span><span class='hs-varop'>.</span><span class='hs-conid'>Def</span> <span class='hs-varid'>d</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-466"></a> <span class='hs-varid'>def</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getConstInfo</span> <span class='hs-varid'>d</span>
<a name="line-467"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>theDef</span> <span class='hs-varid'>def</span> <span class='hs-keyword'>of</span>
<a name="line-468"></a> <span class='hs-conid'>Datatype</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>introData</span> <span class='hs-varid'>t</span>
<a name="line-469"></a> <span class='hs-conid'>Record</span><span class='hs-layout'>{</span> <span class='hs-varid'>recNamedCon</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>name</span> <span class='hs-layout'>}</span>
<a name="line-470"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>introData</span> <span class='hs-varid'>t</span>
<a name="line-471"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>introRec</span> <span class='hs-varid'>d</span>
<a name="line-472"></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-473"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-474"></a> <span class='hs-conid'>TelV</span> <span class='hs-varid'>tel</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>telView</span> <span class='hs-varid'>t</span>
<a name="line-475"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>tel</span> <span class='hs-keyword'>of</span>
<a name="line-476"></a> <span class='hs-conid'>EmptyTel</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-477"></a> <span class='hs-varid'>tel</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>introFun</span> <span class='hs-varid'>tel</span>
<a name="line-478"></a> <span class='hs-varop'>`catchError`</span> <span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-479"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-480"></a> <span class='hs-keyword'>where</span>
<a name="line-481"></a> <span class='hs-varid'>conName</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Arg</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>I</span><span class='hs-varop'>.</span><span class='hs-conid'>ConP</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span>
<a name="line-482"></a> <span class='hs-varid'>conName</span> <span class='hs-keyglyph'>[</span><span class='hs-keyword'>_</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-483"></a> <span class='hs-varid'>conName</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-484"></a>
<a name="line-485"></a> <span class='hs-varid'>showTCM</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varop'><$></span> <span class='hs-varid'>prettyTCM</span> <span class='hs-varid'>v</span>
<a name="line-486"></a>
<a name="line-487"></a> <span class='hs-varid'>introFun</span> <span class='hs-varid'>tel</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>addCtxTel</span> <span class='hs-varid'>tel'</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-488"></a> <span class='hs-varid'>imp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>showImplicitArguments</span>
<a name="line-489"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>okHiding0</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>imp</span> <span class='hs-varop'>||</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-conid'>NotHidden</span>
<a name="line-490"></a> <span class='hs-comment'>-- if none of the vars were displayed, we would get a parse error</span>
<a name="line-491"></a> <span class='hs-comment'>-- thus, we switch to displaying all</span>
<a name="line-492"></a> <span class='hs-varid'>allHidden</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>null</span> <span class='hs-layout'>(</span><span class='hs-varid'>filter</span> <span class='hs-varid'>okHiding0</span> <span class='hs-varid'>hs</span><span class='hs-layout'>)</span>
<a name="line-493"></a> <span class='hs-varid'>okHiding</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>allHidden</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>const</span> <span class='hs-conid'>True</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>okHiding0</span>
<a name="line-494"></a> <span class='hs-varid'>vars</span> <span class='hs-keyglyph'><-</span> <span class='hs-comment'>-- setShowImplicitArguments (imp || allHidden) $</span>
<a name="line-495"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>allHidden</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>withShowAllArguments</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>id</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-496"></a> <span class='hs-varid'>mapM</span> <span class='hs-varid'>showTCM</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>Arg</span> <span class='hs-varid'>h</span> <span class='hs-conid'>Relevant</span> <span class='hs-layout'>(</span><span class='hs-varid'>var</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-497"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span><span class='hs-layout'>,</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>hs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>downFrom</span> <span class='hs-varid'>n</span>
<a name="line-498"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>okHiding</span> <span class='hs-varid'>h</span>
<a name="line-499"></a> <span class='hs-keyglyph'>]</span>
<a name="line-500"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>pmLambda</span>
<a name="line-501"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"λ"</span><span class='hs-layout'>,</span> <span class='hs-str'>"{"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>vars</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"→"</span><span class='hs-layout'>,</span> <span class='hs-str'>"?"</span><span class='hs-layout'>,</span> <span class='hs-str'>"}"</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>]</span>
<a name="line-502"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"λ"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span> <span class='hs-varid'>vars</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"→"</span><span class='hs-layout'>,</span> <span class='hs-str'>"?"</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>]</span>
<a name="line-503"></a> <span class='hs-keyword'>where</span>
<a name="line-504"></a> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>size</span> <span class='hs-varid'>tel</span>
<a name="line-505"></a> <span class='hs-varid'>hs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>domHiding</span> <span class='hs-varop'>$</span> <span class='hs-varid'>telToList</span> <span class='hs-varid'>tel</span>
<a name="line-506"></a> <span class='hs-varid'>tel'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>telFromList</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>makeName</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>telToList</span> <span class='hs-varid'>tel</span> <span class='hs-keyglyph'>]</span>
<a name="line-507"></a> <span class='hs-varid'>makeName</span> <span class='hs-layout'>(</span><span class='hs-str'>"_"</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-str'>"x"</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-508"></a> <span class='hs-varid'>makeName</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-509"></a>
<a name="line-510"></a> <span class='hs-varid'>introData</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-511"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>tel</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>telFromList</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>domFromArg</span> <span class='hs-varop'>$</span> <span class='hs-varid'>defaultArg</span> <span class='hs-layout'>(</span><span class='hs-str'>"_"</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-512"></a> <span class='hs-varid'>pat</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>defaultArg</span> <span class='hs-layout'>(</span><span class='hs-conid'>I</span><span class='hs-varop'>.</span><span class='hs-conid'>VarP</span> <span class='hs-str'>"c"</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-513"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>splitLast</span> <span class='hs-conid'>CoInductive</span> <span class='hs-varid'>tel</span> <span class='hs-varid'>pat</span>
<a name="line-514"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>r</span> <span class='hs-keyword'>of</span>
<a name="line-515"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-516"></a> <span class='hs-conid'>Right</span> <span class='hs-varid'>cov</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>showTCM</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>conName</span> <span class='hs-varop'>.</span> <span class='hs-varid'>scPats</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>splitClauses</span> <span class='hs-varid'>cov</span>
<a name="line-517"></a>
<a name="line-518"></a> <span class='hs-varid'>introRec</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-519"></a> <span class='hs-varid'>hfs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getRecordFieldNames</span> <span class='hs-varid'>d</span>
<a name="line-520"></a> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifM</span> <span class='hs-varid'>showImplicitArguments</span>
<a name="line-521"></a> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>unArg</span> <span class='hs-varid'>hfs</span><span class='hs-layout'>)</span>
<a name="line-522"></a> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-conid'>Arg</span> <span class='hs-conid'>NotHidden</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hfs</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-523"></a> <span class='hs-varid'>return</span>
<a name="line-524"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>$</span>
<a name="line-525"></a> <span class='hs-str'>"record {"</span> <span class='hs-conop'>:</span>
<a name="line-526"></a> <span class='hs-varid'>intersperse</span> <span class='hs-str'>";"</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>show</span> <span class='hs-varid'>f</span> <span class='hs-varop'>++</span> <span class='hs-str'>" = ?"</span><span class='hs-layout'>)</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-527"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"}"</span><span class='hs-keyglyph'>]</span>
<a name="line-528"></a> <span class='hs-keyglyph'>]</span>
<a name="line-529"></a>
<a name="line-530"></a><span class='hs-comment'>-- | Runs the given computation as if in an anonymous goal at the end</span>
<a name="line-531"></a><span class='hs-comment'>-- of the top-level module.</span>
<a name="line-532"></a>
<a name="line-533"></a><a name="atTopLevel"></a><span class='hs-definition'>atTopLevel</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TCM</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-varid'>a</span>
<a name="line-534"></a><span class='hs-definition'>atTopLevel</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>inConcreteMode</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-535"></a> <span class='hs-varid'>mCurrent</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>stCurrentModule</span> <span class='hs-varop'><$></span> <span class='hs-varid'>get</span>
<a name="line-536"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mCurrent</span> <span class='hs-keyword'>of</span>
<a name="line-537"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>typeError</span> <span class='hs-varop'>$</span>
<a name="line-538"></a> <span class='hs-conid'>GenericError</span> <span class='hs-str'>"The file has not been loaded yet."</span>
<a name="line-539"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>current</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-540"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getVisitedModule</span> <span class='hs-layout'>(</span><span class='hs-varid'>toTopLevelModuleName</span> <span class='hs-varid'>current</span><span class='hs-layout'>)</span>
<a name="line-541"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>r</span> <span class='hs-keyword'>of</span>
<a name="line-542"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-sel'>__IMPOSSIBLE__</span>
<a name="line-543"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>mi</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-544"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>scope</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>iInsideScope</span> <span class='hs-varop'>$</span> <span class='hs-varid'>miInterface</span> <span class='hs-varid'>mi</span>
<a name="line-545"></a> <span class='hs-varid'>tel</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookupSection</span> <span class='hs-varid'>current</span>
<a name="line-546"></a> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>withCurrentModule</span> <span class='hs-varid'>current</span> <span class='hs-varop'>$</span>
<a name="line-547"></a> <span class='hs-varid'>withScope_</span> <span class='hs-varid'>scope</span> <span class='hs-varop'>$</span>
<a name="line-548"></a> <span class='hs-varid'>addContext</span> <span class='hs-layout'>(</span><span class='hs-varid'>zipWith'</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-varop'>.</span> <span class='hs-conid'>(,)</span><span class='hs-layout'>)</span>
<a name="line-549"></a> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>snd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>scopeLocals</span> <span class='hs-varid'>scope</span><span class='hs-layout'>)</span>
<a name="line-550"></a> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>fmap</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>telToList</span> <span class='hs-varid'>tel</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-551"></a> <span class='hs-varid'>m</span>
<a name="line-552"></a>
<a name="line-553"></a><span class='hs-comment'>-- | Returns the contents of the given module.</span>
<a name="line-554"></a>
<a name="line-555"></a><a name="moduleContents"></a><span class='hs-definition'>moduleContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Range</span>
<a name="line-556"></a> <span class='hs-comment'>-- ^ The range of the next argument.</span>
<a name="line-557"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-558"></a> <span class='hs-comment'>-- ^ The module name.</span>
<a name="line-559"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TCM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Name</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'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Name</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>
<a name="line-560"></a> <span class='hs-comment'>-- ^ Module names, names paired up with</span>
<a name="line-561"></a> <span class='hs-comment'>-- corresponding types.</span>
<a name="line-562"></a><span class='hs-definition'>moduleContents</span> <span class='hs-varid'>rng</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-563"></a> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseExpr</span> <span class='hs-varid'>rng</span> <span class='hs-varid'>s</span>
<a name="line-564"></a> <span class='hs-varid'>m</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-keyword'>of</span>
<a name="line-565"></a> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>m</span>
<a name="line-566"></a> <span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>RawApp</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>m</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>m</span>
<a name="line-567"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>typeError</span> <span class='hs-varop'>$</span>
<a name="line-568"></a> <span class='hs-conid'>GenericError</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Not a module name: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>m</span> <span class='hs-varop'>++</span> <span class='hs-str'>"."</span>
<a name="line-569"></a> <span class='hs-varid'>modScope</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNamedScope</span> <span class='hs-varop'>.</span> <span class='hs-varid'>amodName</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>resolveModule</span> <span class='hs-varid'>m</span>
<a name="line-570"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>modules</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ThingsInScope</span> <span class='hs-conid'>AbstractModule</span>
<a name="line-571"></a> <span class='hs-varid'>modules</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exportedNamesInScope</span> <span class='hs-varid'>modScope</span>
<a name="line-572"></a> <span class='hs-varid'>names</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ThingsInScope</span> <span class='hs-conid'>AbstractName</span>
<a name="line-573"></a> <span class='hs-varid'>names</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exportedNamesInScope</span> <span class='hs-varid'>modScope</span>
<a name="line-574"></a> <span class='hs-varid'>types</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-575"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getConstInfo</span> <span class='hs-varop'>$</span> <span class='hs-varid'>anameName</span> <span class='hs-varid'>n</span>
<a name="line-576"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>defType</span> <span class='hs-varop'><$></span> <span class='hs-varid'>instantiateDef</span> <span class='hs-varid'>d</span>
<a name="line-577"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-578"></a> <span class='hs-layout'>(</span><span class='hs-varid'>concatMap</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>ns</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-conid'>(,)</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>ns</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-579"></a> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>toList</span> <span class='hs-varid'>names</span><span class='hs-layout'>)</span>
<a name="line-580"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>keys</span> <span class='hs-varid'>modules</span><span class='hs-layout'>,</span> <span class='hs-varid'>types</span><span class='hs-layout'>)</span>
</pre></body>
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