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<title>src/Text/CSL/Eval/Common.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE PatternGuards #-}</span>
<a name="line-2"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module : Text.CSL.Eval.Common</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) Andrea Rossato</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see LICENSE)</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : Andrea Rossato <andrea.rossato@unitn.it></span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : unportable</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- The CSL implementation</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>CSL</span><span class='hs-varop'>.</span><span class='hs-conid'>Eval</span><span class='hs-varop'>.</span><span class='hs-conid'>Common</span> <span class='hs-keyword'>where</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'>&&&</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>>>></span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-20"></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-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span> <span class='hs-varid'>toLower</span> <span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>elemIndex</span> <span class='hs-layout'>)</span>
<a name="line-23"></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-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>CSL</span><span class='hs-varop'>.</span><span class='hs-conid'>Reference</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>CSL</span><span class='hs-varop'>.</span><span class='hs-conid'>Style</span>
<a name="line-27"></a>
<a name="line-28"></a><a name="EvalState"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>EvalState</span>
<a name="line-29"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EvalState</span>
<a name="line-30"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>ref</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReferenceMap</span>
<a name="line-31"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>env</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Environment</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>debug</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>EvalMode</span>
<a name="line-34"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>disamb</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span>
<a name="line-35"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>consume</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span>
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>consumed</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>edtrans</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>etal</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>contNum</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Agent</span><span class='hs-keyglyph'>]</span>
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lastName</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Output</span><span class='hs-keyglyph'>]</span>
<a name="line-41"></a> <span class='hs-layout'>}</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-42"></a>
<a name="line-43"></a><a name="Environment"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Environment</span>
<a name="line-44"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Env</span>
<a name="line-45"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>cite</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cite</span>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>terms</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>TermMap</span><span class='hs-keyglyph'>]</span>
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>macros</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>MacroMap</span><span class='hs-keyglyph'>]</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>dates</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>options</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Option</span><span class='hs-keyglyph'>]</span>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>names</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Element</span><span class='hs-keyglyph'>]</span>
<a name="line-51"></a> <span class='hs-layout'>}</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="EvalMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>EvalMode</span>
<a name="line-54"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>EvalSorting</span> <span class='hs-conid'>Cite</span>
<a name="line-55"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EvalCite</span> <span class='hs-conid'>Cite</span>
<a name="line-56"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>EvalBiblio</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- the reference position</span>
<a name="line-57"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span> <span class='hs-layout'>)</span>
<a name="line-58"></a>
<a name="line-59"></a><a name="getCite"></a><span class='hs-definition'>getCite</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>EvalMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Cite</span>
<a name="line-60"></a><span class='hs-definition'>getCite</span> <span class='hs-layout'>(</span><span class='hs-conid'>EvalCite</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span>
<a name="line-61"></a><span class='hs-definition'>getCite</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emptyCite</span>
<a name="line-62"></a>
<a name="line-63"></a><a name="isSorting"></a><span class='hs-definition'>isSorting</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>EvalMode</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-64"></a><span class='hs-definition'>isSorting</span> <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> <span class='hs-conid'>EvalSorting</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>True</span><span class='hs-layout'>;</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="getTerm"></a><span class='hs-comment'>-- | If the first parameter is 'True' the plural form will be retrieved.</span>
<a name="line-67"></a><span class='hs-definition'>getTerm</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Form</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-conid'>String</span>
<a name="line-68"></a><span class='hs-definition'>getTerm</span> <span class='hs-varid'>b</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>g</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span><span class='hs-varid'>f'</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>gets</span> <span class='hs-layout'>(</span><span class='hs-varid'>terms</span> <span class='hs-varop'>.</span> <span class='hs-varid'>env</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- FIXME: vedere i fallback</span>
<a name="line-69"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>snd</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>fst</span>
<a name="line-70"></a> <span class='hs-varid'>f'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>of</span> <span class='hs-conid'>NotSet</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Long</span><span class='hs-layout'>;</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span>
<a name="line-71"></a>
<a name="line-72"></a><a name="getStringVar"></a><span class='hs-definition'>getStringVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-conid'>String</span>
<a name="line-73"></a><span class='hs-definition'>getStringVar</span>
<a name="line-74"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getVar</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>getStringValue</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="getDateVar"></a><span class='hs-definition'>getDateVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RefDate</span><span class='hs-keyglyph'>]</span>
<a name="line-77"></a><span class='hs-definition'>getDateVar</span>
<a name="line-78"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getVar</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>getDateValue</span>
<a name="line-79"></a> <span class='hs-keyword'>where</span>
<a name="line-80"></a> <span class='hs-varid'>getDateValue</span> <span class='hs-varid'>val</span>
<a name="line-81"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fromValue</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>v</span>
<a name="line-82"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="getLocVar"></a><span class='hs-definition'>getLocVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-85"></a><span class='hs-definition'>getLocVar</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>gets</span> <span class='hs-layout'>(</span><span class='hs-varid'>env</span> <span class='hs-varop'>>>></span> <span class='hs-varid'>cite</span> <span class='hs-varop'>>>></span> <span class='hs-varid'>citeLabel</span> <span class='hs-varop'>&&&</span> <span class='hs-varid'>citeLocator</span><span class='hs-layout'>)</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="getVar"></a><span class='hs-definition'>getVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Value</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-varid'>a</span>
<a name="line-88"></a><span class='hs-definition'>getVar</span> <span class='hs-varid'>a</span> <span class='hs-varid'>f</span> <span class='hs-varid'>s</span>
<a name="line-89"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRefMap</span> <span class='hs-varop'>$</span> <span class='hs-varid'>maybe</span> <span class='hs-varid'>a</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>formatVariable</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-90"></a>
<a name="line-91"></a><a name="getAgents"></a><span class='hs-definition'>getAgents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Agent</span><span class='hs-keyglyph'>]</span>
<a name="line-92"></a><span class='hs-definition'>getAgents</span> <span class='hs-varid'>s</span>
<a name="line-93"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-94"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withRefMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-95"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mv</span> <span class='hs-keyword'>of</span>
<a name="line-96"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>fromValue</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-97"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>consumeVariable</span> <span class='hs-varid'>s</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-98"></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-99"></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-100"></a>
<a name="line-101"></a><a name="getAgents'"></a><span class='hs-definition'>getAgents'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Agent</span><span class='hs-keyglyph'>]</span>
<a name="line-102"></a><span class='hs-definition'>getAgents'</span> <span class='hs-varid'>s</span>
<a name="line-103"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-104"></a> <span class='hs-varid'>mv</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withRefMap</span> <span class='hs-layout'>(</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-105"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mv</span> <span class='hs-keyword'>of</span>
<a name="line-106"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>fromValue</span> <span class='hs-varid'>v</span> <span class='hs-keyword'>of</span>
<a name="line-107"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-108"></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-109"></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-110"></a>
<a name="line-111"></a><a name="getStringValue"></a><span class='hs-definition'>getStringValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Value</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-112"></a><span class='hs-definition'>getStringValue</span> <span class='hs-varid'>val</span>
<a name="line-113"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fromValue</span> <span class='hs-varid'>val</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>v</span>
<a name="line-114"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-115"></a>
<a name="line-116"></a><a name="getOptionVal"></a><span class='hs-definition'>getOptionVal</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Option</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-117"></a><span class='hs-definition'>getOptionVal</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-conid'>[]</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>s</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="isOptionSet"></a><span class='hs-definition'>isOptionSet</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Option</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-120"></a><span class='hs-definition'>isOptionSet</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maybe</span> <span class='hs-conid'>False</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>null</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>s</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="isVarSet"></a><span class='hs-definition'>isVarSet</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-conid'>Bool</span>
<a name="line-123"></a><span class='hs-definition'>isVarSet</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>s</span> <span class='hs-varop'>/=</span> <span class='hs-str'>"locator"</span>
<a name="line-124"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>getVar</span> <span class='hs-conid'>False</span> <span class='hs-varid'>isValueSet</span> <span class='hs-varid'>s</span>
<a name="line-125"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>getLocVar</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span> <span class='hs-varop'>.</span> <span class='hs-varid'>snd</span>
<a name="line-126"></a>
<a name="line-127"></a><a name="withRefMap"></a><span class='hs-definition'>withRefMap</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReferenceMap</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-varid'>a</span>
<a name="line-128"></a><span class='hs-definition'>withRefMap</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>f</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>ref</span>
<a name="line-129"></a>
<a name="line-130"></a><a name="formatVariable"></a><span class='hs-definition'>formatVariable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-131"></a><span class='hs-definition'>formatVariable</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldr</span> <span class='hs-varid'>f</span> <span class='hs-conid'>[]</span>
<a name="line-132"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'_'</span> <span class='hs-keyword'>then</span> <span class='hs-chr'>'-'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-133"></a>
<a name="line-134"></a><a name="consumeVariable"></a><span class='hs-definition'>consumeVariable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-conid'>()</span>
<a name="line-135"></a><span class='hs-definition'>consumeVariable</span> <span class='hs-varid'>s</span>
<a name="line-136"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>consume</span>
<a name="line-137"></a> <span class='hs-varid'>when</span> <span class='hs-varid'>b</span> <span class='hs-varop'>$</span> <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>consumed</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <span class='hs-conop'>:</span> <span class='hs-varid'>consumed</span> <span class='hs-varid'>st</span> <span class='hs-layout'>}</span>
<a name="line-138"></a>
<a name="line-139"></a><a name="consuming"></a><span class='hs-definition'>consuming</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-varid'>a</span>
<a name="line-140"></a><span class='hs-definition'>consuming</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>setConsume</span> <span class='hs-varop'>>></span> <span class='hs-varid'>f</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>doConsume</span> <span class='hs-varop'>>></span> <span class='hs-varid'>unsetConsume</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-141"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>setConsume</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-layout'>{</span><span class='hs-varid'>consume</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-varid'>consumed</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>}</span>
<a name="line-142"></a> <span class='hs-varid'>unsetConsume</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-layout'>{</span><span class='hs-varid'>consume</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span> <span class='hs-layout'>}</span>
<a name="line-143"></a> <span class='hs-varid'>doConsume</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>sl</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>consumed</span>
<a name="line-144"></a> <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>st</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>st</span> <span class='hs-layout'>{</span> <span class='hs-varid'>ref</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>remove</span> <span class='hs-layout'>(</span><span class='hs-varid'>ref</span> <span class='hs-varid'>st</span><span class='hs-layout'>)</span> <span class='hs-varid'>sl</span> <span class='hs-layout'>}</span>
<a name="line-145"></a> <span class='hs-varid'>remove</span> <span class='hs-varid'>rm</span> <span class='hs-varid'>sl</span>
<a name="line-146"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-conop'>:</span><span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>sl</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>elemIndex</span> <span class='hs-layout'>(</span><span class='hs-varid'>formatVariable</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>fst</span> <span class='hs-varid'>rm</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-147"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>let</span> <span class='hs-varid'>nrm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>take</span> <span class='hs-varid'>i</span> <span class='hs-varid'>rm</span> <span class='hs-varop'>++</span>
<a name="line-148"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>formatVariable</span> <span class='hs-varid'>s</span><span class='hs-layout'>,</span><span class='hs-conid'>Value</span> <span class='hs-conid'>Empty</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-149"></a> <span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>rm</span>
<a name="line-150"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>remove</span> <span class='hs-varid'>nrm</span> <span class='hs-varid'>ss</span>
<a name="line-151"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>remove</span> <span class='hs-varid'>rm</span> <span class='hs-varid'>ss</span>
<a name="line-152"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rm</span>
<a name="line-153"></a>
<a name="line-154"></a><a name="when'"></a><span class='hs-definition'>when'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-155"></a><span class='hs-definition'>when'</span> <span class='hs-varid'>p</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenElse</span> <span class='hs-varid'>p</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-156"></a>
<a name="line-157"></a><a name="whenElse"></a><span class='hs-definition'>whenElse</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-158"></a><span class='hs-definition'>whenElse</span> <span class='hs-varid'>b</span> <span class='hs-varid'>f</span> <span class='hs-varid'>g</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>bool</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>g</span>
<a name="line-159"></a>
<a name="line-160"></a><a name="concatMapM"></a><span class='hs-definition'>concatMapM</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>b</span><span class='hs-keyglyph'>]</span>
<a name="line-161"></a><span class='hs-definition'>concatMapM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>l</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="trace"></a><span class='hs-definition'>trace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>State</span> <span class='hs-conid'>EvalState</span> <span class='hs-conid'>()</span>
<a name="line-164"></a><span class='hs-definition'>trace</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>modify</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-layout'>{</span> <span class='hs-varid'>debug</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>d</span> <span class='hs-conop'>:</span> <span class='hs-varid'>debug</span> <span class='hs-varid'>s</span> <span class='hs-layout'>}</span>
</pre></body>
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