<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ -->
<title>Text/Shakespeare/Base.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE TemplateHaskell #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE GeneralizedNewtypeDeriving #-}</span>
<a name="line-4"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-5"></a><span class='hs-comment'>-- | General parsers, functions and datatypes for all Shakespeare languages.</span>
<a name="line-6"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Shakespeare</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span>
<a name="line-7"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Deref</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-8"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Ident</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-9"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Scope</span>
<a name="line-10"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseDeref</span>
<a name="line-11"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseHash</span>
<a name="line-12"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseVar</span>
<a name="line-13"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseAt</span>
<a name="line-14"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseUrl</span>
<a name="line-15"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseCaret</span>
<a name="line-16"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseUnder</span>
<a name="line-17"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseInt</span>
<a name="line-18"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>derefToExp</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>flattenDeref</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readUtf8File</span>
<a name="line-21"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-22"></a>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>TH</span><span class='hs-varop'>.</span><span class='hs-conid'>Syntax</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Haskell</span><span class='hs-varop'>.</span><span class='hs-conid'>TH</span> <span class='hs-layout'>(</span><span class='hs-varid'>appE</span><span class='hs-layout'>)</span>
<a name="line-25"></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'>isUpper</span><span class='hs-layout'>)</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'>ParserCombinators</span><span class='hs-varop'>.</span><span class='hs-conid'>Parsec</span>
<a name="line-27"></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'>intercalate</span><span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ratio</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ratio</span><span class='hs-layout'>,</span> <span class='hs-varid'>numerator</span><span class='hs-layout'>,</span> <span class='hs-varid'>denominator</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-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Data</span> <span class='hs-layout'>(</span><span class='hs-conid'>Data</span><span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-31"></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'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>TL</span>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>SIO</span>
<a name="line-33"></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'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>TIO</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="Ident"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>Ident</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Ident</span> <span class='hs-conid'>String</span>
<a name="line-36"></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> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-layout'>,</span> <span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="Scope"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Scope</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Ident</span><span class='hs-layout'>,</span> <span class='hs-conid'>Exp</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-39"></a>
<a name="line-40"></a><a name="Deref"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Deref</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>DerefModulesIdent</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>Ident</span>
<a name="line-41"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DerefIdent</span> <span class='hs-conid'>Ident</span>
<a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DerefIntegral</span> <span class='hs-conid'>Integer</span>
<a name="line-43"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DerefRational</span> <span class='hs-conid'>Rational</span>
<a name="line-44"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DerefString</span> <span class='hs-conid'>String</span>
<a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>DerefBranch</span> <span class='hs-conid'>Deref</span> <span class='hs-conid'>Deref</span>
<a name="line-46"></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> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-layout'>,</span> <span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-47"></a>
<a name="line-48"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Lift</span> <span class='hs-conid'>Ident</span> <span class='hs-keyword'>where</span>
<a name="line-49"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>Ident</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>`appE`</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>s</span>
<a name="line-50"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Lift</span> <span class='hs-conid'>Deref</span> <span class='hs-keyword'>where</span>
<a name="line-51"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefModulesIdent</span> <span class='hs-varid'>v</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-52"></a> <span class='hs-varid'>dl</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>DerefModulesIdent</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span>
<a name="line-53"></a> <span class='hs-varid'>v'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>v</span>
<a name="line-54"></a> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>s</span>
<a name="line-55"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dl</span> <span class='hs-varop'>`AppE`</span> <span class='hs-varid'>v'</span> <span class='hs-varop'>`AppE`</span> <span class='hs-varid'>s'</span>
<a name="line-56"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefIdent</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-57"></a> <span class='hs-varid'>dl</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>DerefIdent</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span>
<a name="line-58"></a> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>s</span>
<a name="line-59"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dl</span> <span class='hs-varop'>`AppE`</span> <span class='hs-varid'>s'</span>
<a name="line-60"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefBranch</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-keyword'>do</span>
<a name="line-61"></a> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>x</span>
<a name="line-62"></a> <span class='hs-varid'>y'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>y</span>
<a name="line-63"></a> <span class='hs-varid'>db</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>DerefBranch</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span>
<a name="line-64"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>db</span> <span class='hs-varop'>`AppE`</span> <span class='hs-varid'>x'</span> <span class='hs-varop'>`AppE`</span> <span class='hs-varid'>y'</span>
<a name="line-65"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefIntegral</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>DerefIntegral</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>`appE`</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>i</span>
<a name="line-66"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefRational</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-67"></a> <span class='hs-varid'>n</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>numerator</span> <span class='hs-varid'>r</span>
<a name="line-68"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>denominator</span> <span class='hs-varid'>r</span>
<a name="line-69"></a> <span class='hs-varid'>per</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-layout'>(</span><span class='hs-varop'>%</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ratio</span> <span class='hs-conid'>Int</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span>
<a name="line-70"></a> <span class='hs-varid'>dr</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>DerefRational</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span>
<a name="line-71"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dr</span> <span class='hs-varop'>`AppE`</span> <span class='hs-layout'>(</span><span class='hs-conid'>InfixE</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>per</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-72"></a> <span class='hs-varid'>lift</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefString</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>|</span><span class='hs-conid'>DerefString</span><span class='hs-keyglyph'>|</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>`appE`</span> <span class='hs-varid'>lift</span> <span class='hs-varid'>s</span>
<a name="line-73"></a>
<a name="line-74"></a><a name="parseDeref"></a><span class='hs-definition'>parseDeref</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Deref</span>
<a name="line-75"></a><span class='hs-definition'>parseDeref</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-76"></a> <span class='hs-varid'>skipMany</span> <span class='hs-varop'>$</span> <span class='hs-varid'>oneOf</span> <span class='hs-str'>" \t"</span>
<a name="line-77"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>derefSingle</span>
<a name="line-78"></a> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>deref'</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-79"></a> <span class='hs-varid'>skipMany</span> <span class='hs-varop'>$</span> <span class='hs-varid'>oneOf</span> <span class='hs-str'>" \t"</span>
<a name="line-80"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>res</span>
<a name="line-81"></a> <span class='hs-keyword'>where</span>
<a name="line-82"></a> <span class='hs-varid'>delim</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>' '</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span><span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-83"></a> <span class='hs-varop'><|></span> <span class='hs-varid'>lookAhead</span> <span class='hs-layout'>(</span><span class='hs-varid'>oneOf</span> <span class='hs-str'>"(\""</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-84"></a> <span class='hs-varid'>derefOp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-85"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'('</span>
<a name="line-86"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-varop'>$</span> <span class='hs-varid'>noneOf</span> <span class='hs-str'>" \t\n\r()"</span>
<a name="line-87"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>')'</span>
<a name="line-88"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DerefIdent</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Ident</span> <span class='hs-varid'>x</span>
<a name="line-89"></a> <span class='hs-varid'>derefParens</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>between</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'('</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>')'</span><span class='hs-layout'>)</span> <span class='hs-varid'>parseDeref</span>
<a name="line-90"></a> <span class='hs-varid'>derefSingle</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>derefOp</span> <span class='hs-varop'><|></span> <span class='hs-varid'>derefParens</span> <span class='hs-varop'><|></span> <span class='hs-varid'>numeric</span> <span class='hs-varop'><|></span> <span class='hs-varid'>strLit</span><span class='hs-varop'><|></span> <span class='hs-varid'>ident</span>
<a name="line-91"></a> <span class='hs-varid'>deref'</span> <span class='hs-varid'>lhs</span> <span class='hs-keyglyph'>=</span>
<a name="line-92"></a> <span class='hs-varid'>dollar</span> <span class='hs-varop'><|></span> <span class='hs-varid'>derefSingle'</span>
<a name="line-93"></a> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>foldl1</span> <span class='hs-conid'>DerefBranch</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lhs</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-94"></a> <span class='hs-keyword'>where</span>
<a name="line-95"></a> <span class='hs-varid'>dollar</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-96"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>delim</span> <span class='hs-varop'>>></span> <span class='hs-varid'>char</span> <span class='hs-chr'>'$'</span>
<a name="line-97"></a> <span class='hs-varid'>rhs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseDeref</span>
<a name="line-98"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>lhs'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldl1</span> <span class='hs-conid'>DerefBranch</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lhs</span> <span class='hs-conid'>[]</span>
<a name="line-99"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DerefBranch</span> <span class='hs-varid'>lhs'</span> <span class='hs-varid'>rhs</span>
<a name="line-100"></a> <span class='hs-varid'>derefSingle'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-101"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-varid'>delim</span> <span class='hs-varop'>>></span> <span class='hs-varid'>derefSingle</span>
<a name="line-102"></a> <span class='hs-varid'>deref'</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lhs</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-103"></a> <span class='hs-varid'>numeric</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-104"></a> <span class='hs-varid'>n</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'-'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-str'>"-"</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-str'>""</span>
<a name="line-105"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-varid'>digit</span>
<a name="line-106"></a> <span class='hs-varid'>y</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'.'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>many1</span> <span class='hs-varid'>digit</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-107"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>y</span> <span class='hs-keyword'>of</span>
<a name="line-108"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DerefIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>read'</span> <span class='hs-str'>"Integral"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-varid'>x</span>
<a name="line-109"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>z</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>DerefRational</span> <span class='hs-varop'>$</span> <span class='hs-varid'>toRational</span>
<a name="line-110"></a> <span class='hs-layout'>(</span><span class='hs-varid'>read'</span> <span class='hs-str'>"Rational"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>n</span> <span class='hs-varop'>++</span> <span class='hs-varid'>x</span> <span class='hs-varop'>++</span> <span class='hs-chr'>'.'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>z</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Double</span><span class='hs-layout'>)</span>
<a name="line-111"></a> <span class='hs-varid'>strLit</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-112"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'"'</span>
<a name="line-113"></a> <span class='hs-varid'>chars</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>quotedChar</span>
<a name="line-114"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'"'</span>
<a name="line-115"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>DerefString</span> <span class='hs-varid'>chars</span>
<a name="line-116"></a> <span class='hs-varid'>quotedChar</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>escapedChar</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>noneOf</span> <span class='hs-str'>"\""</span>
<a name="line-117"></a> <span class='hs-varid'>escapedChar</span> <span class='hs-keyglyph'>=</span>
<a name="line-118"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'n'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\n'</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-119"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'r'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\r'</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-120"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'b'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\b'</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-121"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'t'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\t'</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-122"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\\'</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-123"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'"'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'"'</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-124"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\''</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-chr'>'\''</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-varid'>ident</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-126"></a> <span class='hs-varid'>mods</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-varid'>modul</span>
<a name="line-127"></a> <span class='hs-varid'>func</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many1</span> <span class='hs-layout'>(</span><span class='hs-varid'>alphaNum</span> <span class='hs-varop'><|></span> <span class='hs-varid'>char</span> <span class='hs-chr'>'_'</span> <span class='hs-varop'><|></span> <span class='hs-varid'>char</span> <span class='hs-chr'>'\''</span><span class='hs-layout'>)</span>
<a name="line-128"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>func'</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Ident</span> <span class='hs-varid'>func</span>
<a name="line-129"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span>
<a name="line-130"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>mods</span>
<a name="line-131"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>DerefIdent</span> <span class='hs-varid'>func'</span>
<a name="line-132"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>DerefModulesIdent</span> <span class='hs-varid'>mods</span> <span class='hs-varid'>func'</span>
<a name="line-133"></a> <span class='hs-varid'>modul</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>try</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-134"></a> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>upper</span>
<a name="line-135"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>many</span> <span class='hs-layout'>(</span><span class='hs-varid'>alphaNum</span> <span class='hs-varop'><|></span> <span class='hs-varid'>char</span> <span class='hs-chr'>'_'</span><span class='hs-layout'>)</span>
<a name="line-136"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'.'</span>
<a name="line-137"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cs</span>
<a name="line-138"></a>
<a name="line-139"></a><a name="read'"></a><span class='hs-definition'>read'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Read</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-140"></a><span class='hs-definition'>read'</span> <span class='hs-varid'>t</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-141"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>reads</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-142"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span>
<a name="line-143"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>error</span> <span class='hs-varop'>$</span> <span class='hs-varid'>t</span> <span class='hs-varop'>++</span> <span class='hs-str'>" read failed: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>s</span>
<a name="line-144"></a>
<a name="line-145"></a><a name="expType"></a><span class='hs-definition'>expType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ident</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Name</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Exp</span>
<a name="line-146"></a><span class='hs-definition'>expType</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isUpper</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>':'</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>ConE</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>VarE</span>
<a name="line-147"></a><span class='hs-definition'>expType</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"Bad Ident"</span>
<a name="line-148"></a>
<a name="line-149"></a><a name="derefToExp"></a><span class='hs-definition'>derefToExp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Scope</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Deref</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Exp</span>
<a name="line-150"></a><span class='hs-definition'>derefToExp</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefBranch</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'>derefToExp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`AppE`</span> <span class='hs-varid'>derefToExp</span> <span class='hs-varid'>s</span> <span class='hs-varid'>y</span>
<a name="line-151"></a><span class='hs-definition'>derefToExp</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefModulesIdent</span> <span class='hs-varid'>mods</span> <span class='hs-varid'>i</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-152"></a> <span class='hs-varid'>expType</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Name</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkOccName</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>NameQ</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkModName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"."</span> <span class='hs-varid'>mods</span><span class='hs-layout'>)</span>
<a name="line-153"></a><span class='hs-definition'>derefToExp</span> <span class='hs-varid'>scope</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefIdent</span> <span class='hs-varid'>i</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-154"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>i</span> <span class='hs-varid'>scope</span> <span class='hs-keyword'>of</span>
<a name="line-155"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span>
<a name="line-156"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>expType</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkName</span> <span class='hs-varid'>s</span>
<a name="line-157"></a><span class='hs-definition'>derefToExp</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefIntegral</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>LitE</span> <span class='hs-varop'>$</span> <span class='hs-conid'>IntegerL</span> <span class='hs-varid'>i</span>
<a name="line-158"></a><span class='hs-definition'>derefToExp</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefRational</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>LitE</span> <span class='hs-varop'>$</span> <span class='hs-conid'>RationalL</span> <span class='hs-varid'>r</span>
<a name="line-159"></a><span class='hs-definition'>derefToExp</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefString</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>LitE</span> <span class='hs-varop'>$</span> <span class='hs-conid'>StringL</span> <span class='hs-varid'>s</span>
<a name="line-160"></a>
<a name="line-161"></a><a name="flattenDeref"></a><span class='hs-comment'>-- FIXME shouldn't we use something besides a list here?</span>
<a name="line-162"></a><span class='hs-definition'>flattenDeref</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Deref</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-163"></a><span class='hs-definition'>flattenDeref</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefIdent</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-164"></a><span class='hs-definition'>flattenDeref</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefBranch</span> <span class='hs-layout'>(</span><span class='hs-conid'>DerefIdent</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-165"></a> <span class='hs-varid'>y'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>flattenDeref</span> <span class='hs-varid'>y</span>
<a name="line-166"></a> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>y'</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-167"></a><span class='hs-definition'>flattenDeref</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-168"></a>
<a name="line-169"></a><a name="parseHash"></a><span class='hs-definition'>parseHash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Deref</span><span class='hs-layout'>)</span>
<a name="line-170"></a><span class='hs-definition'>parseHash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseVar</span> <span class='hs-chr'>'#'</span>
<a name="line-171"></a>
<a name="line-172"></a><a name="parseVar"></a><span class='hs-definition'>parseVar</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Deref</span><span class='hs-layout'>)</span>
<a name="line-173"></a><span class='hs-definition'>parseVar</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-174"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-varid'>c</span>
<a name="line-175"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-176"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'{'</span>
<a name="line-177"></a> <span class='hs-varid'>deref</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseDeref</span>
<a name="line-178"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'}'</span>
<a name="line-179"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>deref</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-180"></a> <span class='hs-comment'>-- Check for hash just before newline</span>
<a name="line-181"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lookAhead</span> <span class='hs-layout'>(</span><span class='hs-varid'>oneOf</span> <span class='hs-str'>"\r\n"</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>eof</span>
<a name="line-182"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Left</span> <span class='hs-str'>""</span>
<a name="line-183"></a> <span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-184"></a>
<a name="line-185"></a><a name="parseAt"></a><span class='hs-definition'>parseAt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>Deref</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-186"></a><span class='hs-definition'>parseAt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseUrl</span> <span class='hs-chr'>'@'</span> <span class='hs-chr'>'?'</span>
<a name="line-187"></a>
<a name="line-188"></a><a name="parseUrl"></a><span class='hs-definition'>parseUrl</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>Deref</span><span class='hs-layout'>,</span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-189"></a><span class='hs-definition'>parseUrl</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-190"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-varid'>c</span>
<a name="line-191"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-192"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-varid'>d</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-193"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-194"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'{'</span>
<a name="line-195"></a> <span class='hs-varid'>deref</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseDeref</span>
<a name="line-196"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'}'</span>
<a name="line-197"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>deref</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-198"></a> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span> <span class='hs-varid'>d</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-199"></a>
<a name="line-200"></a><a name="parseCaret"></a><span class='hs-definition'>parseCaret</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Deref</span><span class='hs-layout'>)</span>
<a name="line-201"></a><span class='hs-definition'>parseCaret</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseInt</span> <span class='hs-chr'>'^'</span>
<a name="line-202"></a>
<a name="line-203"></a><a name="parseInt"></a><span class='hs-definition'>parseInt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Deref</span><span class='hs-layout'>)</span>
<a name="line-204"></a><span class='hs-definition'>parseInt</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-205"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-varid'>c</span>
<a name="line-206"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-207"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'{'</span>
<a name="line-208"></a> <span class='hs-varid'>deref</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseDeref</span>
<a name="line-209"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'}'</span>
<a name="line-210"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>deref</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>c</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-211"></a>
<a name="line-212"></a><a name="parseUnder"></a><span class='hs-definition'>parseUnder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-layout'>(</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Deref</span><span class='hs-layout'>)</span>
<a name="line-213"></a><span class='hs-definition'>parseUnder</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-214"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'_'</span>
<a name="line-215"></a> <span class='hs-layout'>(</span><span class='hs-varid'>char</span> <span class='hs-chr'>'\\'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-str'>"_"</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-layout'>(</span><span class='hs-keyword'>do</span>
<a name="line-216"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'{'</span>
<a name="line-217"></a> <span class='hs-varid'>deref</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseDeref</span>
<a name="line-218"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'}'</span>
<a name="line-219"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Right</span> <span class='hs-varid'>deref</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-str'>"_"</span><span class='hs-layout'>)</span>
<a name="line-220"></a>
<a name="line-221"></a><a name="readUtf8File"></a><span class='hs-definition'>readUtf8File</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TL</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>
<a name="line-222"></a><span class='hs-definition'>readUtf8File</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-223"></a> <span class='hs-varid'>h</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>SIO</span><span class='hs-varop'>.</span><span class='hs-varid'>openFile</span> <span class='hs-varid'>fp</span> <span class='hs-conid'>SIO</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadMode</span>
<a name="line-224"></a> <span class='hs-conid'>SIO</span><span class='hs-varop'>.</span><span class='hs-varid'>hSetEncoding</span> <span class='hs-varid'>h</span> <span class='hs-conid'>SIO</span><span class='hs-varop'>.</span><span class='hs-varid'>utf8_bom</span>
<a name="line-225"></a> <span class='hs-conid'>TIO</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetContents</span> <span class='hs-varid'>h</span>
</pre></body>
</html>
