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<title>src/full/Agda/Syntax/Abstract/Views.hs</title>
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<a name="line-2"></a><span class='hs-keyword'>module</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-varop'>.</span><span class='hs-conid'>Views</span> <span class='hs-keyword'>where</span>
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<a name="line-4"></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-5"></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-6"></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>
<a name="line-7"></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>
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<a name="line-9"></a><a name="AppView"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>AppView</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Application</span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>NamedArg</span> <span class='hs-conid'>Expr</span><span class='hs-keyglyph'>]</span>
<a name="line-10"></a> <span class='hs-comment'>-- NonApplication Expr</span>
<a name="line-11"></a> <span class='hs-comment'>-- -- ^ TODO: if we allow beta-redexes (which we currently do) there could be one here.</span>
<a name="line-12"></a> <span class='hs-comment'>-- 2011-08-24, Dominique: removed..</span>
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<a name="line-14"></a><a name="appView"></a><span class='hs-comment'>-- note: everything is an application, possibly of itself to 0 arguments</span>
<a name="line-15"></a><span class='hs-definition'>appView</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>AppView</span>
<a name="line-16"></a><span class='hs-definition'>appView</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>=</span>
<a name="line-17"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>of</span>
<a name="line-18"></a> <span class='hs-conid'>App</span> <span class='hs-varid'>i</span> <span class='hs-varid'>e1</span> <span class='hs-varid'>arg</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>apply</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>appView</span> <span class='hs-varid'>e1</span><span class='hs-layout'>)</span> <span class='hs-varid'>arg</span>
<a name="line-19"></a> <span class='hs-conid'>ScopedExpr</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>appView</span> <span class='hs-varid'>e</span>
<a name="line-20"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Application</span> <span class='hs-varid'>e</span> <span class='hs-conid'>[]</span>
<a name="line-21"></a> <span class='hs-keyword'>where</span>
<a name="line-22"></a> <span class='hs-varid'>apply</span> <span class='hs-varid'>i</span> <span class='hs-varid'>v</span> <span class='hs-varid'>arg</span> <span class='hs-keyglyph'>=</span>
<a name="line-23"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-24"></a> <span class='hs-conid'>Application</span> <span class='hs-varid'>hd</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Application</span> <span class='hs-varid'>hd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>es</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>arg</span><span class='hs-keyglyph'>]</span>
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<a name="line-26"></a><a name="unAppView"></a><span class='hs-definition'>unAppView</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>AppView</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Expr</span>
<a name="line-27"></a><span class='hs-definition'>unAppView</span> <span class='hs-layout'>(</span><span class='hs-conid'>Application</span> <span class='hs-varid'>h</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-28"></a> <span class='hs-varid'>foldl</span> <span class='hs-layout'>(</span><span class='hs-conid'>App</span> <span class='hs-layout'>(</span><span class='hs-conid'>ExprRange</span> <span class='hs-varid'>noRange</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>h</span> <span class='hs-varid'>es</span>
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<a name="line-30"></a><a name="isSet"></a><span class='hs-comment'>-- | Check whether we are dealing with a universe.</span>
<a name="line-31"></a><span class='hs-definition'>isSet</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Expr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-32"></a><span class='hs-definition'>isSet</span> <span class='hs-layout'>(</span><span class='hs-conid'>ScopedExpr</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isSet</span> <span class='hs-varid'>e</span>
<a name="line-33"></a><span class='hs-definition'>isSet</span> <span class='hs-layout'>(</span><span class='hs-conid'>App</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isSet</span> <span class='hs-varid'>e</span>
<a name="line-34"></a><span class='hs-definition'>isSet</span> <span class='hs-layout'>(</span><span class='hs-conid'>Set</span><span class='hs-layout'>{</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-35"></a><span class='hs-definition'>isSet</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
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