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<pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : Distribution.ParseUtils</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) The University of Glasgow 2004</span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- Maintainer : cabal-devel@haskell.org</span>
<a name="line-7"></a><span class='hs-comment'>-- Portability : portable</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- Utilities for parsing 'PackageDescription' and 'InstalledPackageInfo'.</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- The @.cabal@ file format is not trivial, especially with the introduction</span>
<a name="line-12"></a><span class='hs-comment'>-- of configurations and the section syntax that goes with that. This module</span>
<a name="line-13"></a><span class='hs-comment'>-- has a bunch of parsing functions that is used by the @.cabal@ parser and a</span>
<a name="line-14"></a><span class='hs-comment'>-- couple others. It has the parsing framework code and also little parsers for</span>
<a name="line-15"></a><span class='hs-comment'>-- many of the formats we get in various @.cabal@ file fields, like module</span>
<a name="line-16"></a><span class='hs-comment'>-- names, comma separated lists etc.</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-comment'>{- All rights reserved.
<a name="line-19"></a>
<a name="line-20"></a>Redistribution and use in source and binary forms, with or without
<a name="line-21"></a>modification, are permitted provided that the following conditions are
<a name="line-22"></a>met:
<a name="line-23"></a>
<a name="line-24"></a> * Redistributions of source code must retain the above copyright
<a name="line-25"></a> notice, this list of conditions and the following disclaimer.
<a name="line-26"></a>
<a name="line-27"></a> * Redistributions in binary form must reproduce the above
<a name="line-28"></a> copyright notice, this list of conditions and the following
<a name="line-29"></a> disclaimer in the documentation and/or other materials provided
<a name="line-30"></a> with the distribution.
<a name="line-31"></a>
<a name="line-32"></a> * Neither the name of the University nor the names of other
<a name="line-33"></a> contributors may be used to endorse or promote products derived
<a name="line-34"></a> from this software without specific prior written permission.
<a name="line-35"></a>
<a name="line-36"></a>THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
<a name="line-37"></a>"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
<a name="line-38"></a>LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
<a name="line-39"></a>A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
<a name="line-40"></a>OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
<a name="line-41"></a>SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
<a name="line-42"></a>LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
<a name="line-43"></a>DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
<a name="line-44"></a>THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
<a name="line-45"></a>(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<a name="line-46"></a>OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -}</span>
<a name="line-47"></a>
<a name="line-48"></a><span class='hs-comment'>-- This module is meant to be local-only to Distribution...</span>
<a name="line-49"></a>
<a name="line-50"></a><span class='hs-comment'>-- #hide</span>
<a name="line-51"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>ParseUtils</span> <span class='hs-layout'>(</span>
<a name="line-52"></a> <span class='hs-conid'>LineNo</span><span class='hs-layout'>,</span> <span class='hs-conid'>PError</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>PWarning</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>locatedErrorMsg</span><span class='hs-layout'>,</span> <span class='hs-varid'>syntaxError</span><span class='hs-layout'>,</span> <span class='hs-varid'>warning</span><span class='hs-layout'>,</span>
<a name="line-53"></a> <span class='hs-varid'>runP</span><span class='hs-layout'>,</span> <span class='hs-varid'>runE</span><span class='hs-layout'>,</span> <span class='hs-conid'>ParseResult</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>catchParseError</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseFail</span><span class='hs-layout'>,</span> <span class='hs-varid'>showPWarning</span><span class='hs-layout'>,</span>
<a name="line-54"></a> <span class='hs-conid'>Field</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>fName</span><span class='hs-layout'>,</span> <span class='hs-varid'>lineNo</span><span class='hs-layout'>,</span>
<a name="line-55"></a> <span class='hs-conid'>FieldDescr</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>ppField</span><span class='hs-layout'>,</span> <span class='hs-varid'>ppFields</span><span class='hs-layout'>,</span> <span class='hs-varid'>readFields</span><span class='hs-layout'>,</span>
<a name="line-56"></a> <span class='hs-varid'>showFields</span><span class='hs-layout'>,</span> <span class='hs-varid'>showSingleNamedField</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseFields</span><span class='hs-layout'>,</span>
<a name="line-57"></a> <span class='hs-varid'>parseFilePathQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseTokenQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseTokenQ'</span><span class='hs-layout'>,</span>
<a name="line-58"></a> <span class='hs-varid'>parseModuleNameQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseBuildTool</span><span class='hs-layout'>,</span> <span class='hs-varid'>parsePkgconfigDependency</span><span class='hs-layout'>,</span>
<a name="line-59"></a> <span class='hs-varid'>parseOptVersion</span><span class='hs-layout'>,</span> <span class='hs-varid'>parsePackageNameQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseVersionRangeQ</span><span class='hs-layout'>,</span>
<a name="line-60"></a> <span class='hs-varid'>parseTestedWithQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseLicenseQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseLanguageQ</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseExtensionQ</span><span class='hs-layout'>,</span>
<a name="line-61"></a> <span class='hs-varid'>parseSepList</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseCommaList</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseOptCommaList</span><span class='hs-layout'>,</span>
<a name="line-62"></a> <span class='hs-varid'>showFilePath</span><span class='hs-layout'>,</span> <span class='hs-varid'>showToken</span><span class='hs-layout'>,</span> <span class='hs-varid'>showTestedWith</span><span class='hs-layout'>,</span> <span class='hs-varid'>showFreeText</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseFreeText</span><span class='hs-layout'>,</span>
<a name="line-63"></a> <span class='hs-varid'>field</span><span class='hs-layout'>,</span> <span class='hs-varid'>simpleField</span><span class='hs-layout'>,</span> <span class='hs-varid'>listField</span><span class='hs-layout'>,</span> <span class='hs-varid'>spaceListField</span><span class='hs-layout'>,</span> <span class='hs-varid'>commaListField</span><span class='hs-layout'>,</span>
<a name="line-64"></a> <span class='hs-varid'>optsField</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftField</span><span class='hs-layout'>,</span> <span class='hs-varid'>boolField</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseQuoted</span><span class='hs-layout'>,</span>
<a name="line-65"></a>
<a name="line-66"></a> <span class='hs-conid'>UnrecFieldParser</span><span class='hs-layout'>,</span> <span class='hs-varid'>warnUnrec</span><span class='hs-layout'>,</span> <span class='hs-varid'>ignoreUnrec</span><span class='hs-layout'>,</span>
<a name="line-67"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-68"></a>
<a name="line-69"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Compiler</span> <span class='hs-layout'>(</span><span class='hs-conid'>CompilerFlavor</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseCompilerFlavorCompat</span><span class='hs-layout'>)</span>
<a name="line-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>License</span>
<a name="line-71"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Version</span>
<a name="line-72"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Version</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>VersionRange</span><span class='hs-layout'>,</span> <span class='hs-varid'>anyVersion</span> <span class='hs-layout'>)</span>
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Package</span> <span class='hs-layout'>(</span> <span class='hs-conid'>PackageName</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Dependency</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>ModuleName</span> <span class='hs-layout'>(</span><span class='hs-conid'>ModuleName</span><span class='hs-layout'>)</span>
<a name="line-75"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Compat</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadP</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span><span class='hs-layout'>)</span>
<a name="line-76"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadE</span>
<a name="line-77"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span>
<a name="line-78"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Text</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Simple</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span>
<a name="line-80"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>intercalate</span><span class='hs-layout'>,</span> <span class='hs-varid'>lowercase</span><span class='hs-layout'>,</span> <span class='hs-varid'>normaliseLineEndings</span> <span class='hs-layout'>)</span>
<a name="line-81"></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'>Extension</span>
<a name="line-82"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Language</span><span class='hs-layout'>,</span> <span class='hs-conid'>Extension</span> <span class='hs-layout'>)</span>
<a name="line-83"></a>
<a name="line-84"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>PrettyPrint</span><span class='hs-varop'>.</span><span class='hs-conid'>HughesPJ</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>braces</span><span class='hs-layout'>)</span>
<a name="line-85"></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'>isSpace</span><span class='hs-layout'>,</span> <span class='hs-varid'>toLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAlphaNum</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDigit</span><span class='hs-layout'>)</span>
<a name="line-86"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromMaybe</span><span class='hs-layout'>)</span>
<a name="line-87"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Tree</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Tree</span> <span class='hs-layout'>(</span><span class='hs-conid'>Tree</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>flatten</span><span class='hs-layout'>)</span>
<a name="line-88"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Map</span>
<a name="line-89"></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-layout'>(</span><span class='hs-varid'>foldM</span><span class='hs-layout'>)</span>
<a name="line-90"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span> <span class='hs-layout'>(</span><span class='hs-varid'>normalise</span><span class='hs-layout'>)</span>
<a name="line-91"></a>
<a name="line-92"></a><span class='hs-comment'>-- -----------------------------------------------------------------------------</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="LineNo"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Int</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="PError"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>PError</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AmbigousParse</span> <span class='hs-conid'>String</span> <span class='hs-conid'>LineNo</span>
<a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoParse</span> <span class='hs-conid'>String</span> <span class='hs-conid'>LineNo</span>
<a name="line-98"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TabsError</span> <span class='hs-conid'>LineNo</span>
<a name="line-99"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FromString</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>LineNo</span><span class='hs-layout'>)</span>
<a name="line-100"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-101"></a>
<a name="line-102"></a><a name="PWarning"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>PWarning</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PWarning</span> <span class='hs-conid'>String</span>
<a name="line-103"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>UTFWarning</span> <span class='hs-conid'>LineNo</span> <span class='hs-conid'>String</span>
<a name="line-104"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="showPWarning"></a><span class='hs-definition'>showPWarning</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PWarning</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-107"></a><span class='hs-definition'>showPWarning</span> <span class='hs-varid'>fpath</span> <span class='hs-layout'>(</span><span class='hs-conid'>PWarning</span> <span class='hs-varid'>msg</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-108"></a> <span class='hs-varid'>normalise</span> <span class='hs-varid'>fpath</span> <span class='hs-varop'>++</span> <span class='hs-str'>": "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>msg</span>
<a name="line-109"></a><span class='hs-definition'>showPWarning</span> <span class='hs-varid'>fpath</span> <span class='hs-layout'>(</span><span class='hs-conid'>UTFWarning</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fname</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-110"></a> <span class='hs-varid'>normalise</span> <span class='hs-varid'>fpath</span> <span class='hs-varop'>++</span> <span class='hs-str'>":"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>line</span>
<a name="line-111"></a> <span class='hs-varop'>++</span> <span class='hs-str'>": Invalid UTF-8 text in the '"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fname</span> <span class='hs-varop'>++</span> <span class='hs-str'>"' field."</span>
<a name="line-112"></a>
<a name="line-113"></a><a name="ParseResult"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span> <span class='hs-conid'>PError</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ParseOk</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>PWarning</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span>
<a name="line-114"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-115"></a>
<a name="line-116"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monad</span> <span class='hs-conid'>ParseResult</span> <span class='hs-keyword'>where</span>
<a name="line-117"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseOk</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>x</span>
<a name="line-118"></a> <span class='hs-conid'>ParseFailed</span> <span class='hs-varid'>err</span> <span class='hs-varop'>>>=</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span> <span class='hs-varid'>err</span>
<a name="line-119"></a> <span class='hs-conid'>ParseOk</span> <span class='hs-varid'>ws</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>>=</span> <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-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-120"></a> <span class='hs-conid'>ParseFailed</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseFailed</span> <span class='hs-varid'>err</span>
<a name="line-121"></a> <span class='hs-conid'>ParseOk</span> <span class='hs-varid'>ws'</span> <span class='hs-varid'>x'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseOk</span> <span class='hs-layout'>(</span><span class='hs-varid'>ws'</span><span class='hs-varop'>++</span><span class='hs-varid'>ws</span><span class='hs-layout'>)</span> <span class='hs-varid'>x'</span>
<a name="line-122"></a> <span class='hs-varid'>fail</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span> <span class='hs-layout'>(</span><span class='hs-conid'>FromString</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-123"></a>
<a name="line-124"></a><a name="catchParseError"></a><span class='hs-definition'>catchParseError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>PError</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-126"></a><a name="p"></a><span class='hs-definition'>p</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>ParseOk</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varop'>`catchParseError`</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>p</span>
<a name="line-127"></a><span class='hs-conid'>ParseFailed</span> <span class='hs-varid'>e</span> <span class='hs-varop'>`catchParseError`</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>k</span> <span class='hs-varid'>e</span>
<a name="line-128"></a>
<a name="line-129"></a><a name="parseFail"></a><span class='hs-definition'>parseFail</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PError</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-130"></a><span class='hs-definition'>parseFail</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span>
<a name="line-131"></a>
<a name="line-132"></a><a name="runP"></a><span class='hs-definition'>runP</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>a</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'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-133"></a><span class='hs-definition'>runP</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-134"></a> <span class='hs-keyword'>case</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>results</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyword'>of</span>
<a name="line-135"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseOk</span> <span class='hs-layout'>(</span><span class='hs-varid'>utf8Warnings</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span>
<a name="line-136"></a> <span class='hs-comment'>--TODO: what is this double parse thing all about?</span>
<a name="line-137"></a> <span class='hs-comment'>-- Can't we just do the all isSpace test the first time?</span>
<a name="line-138"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>results</span><span class='hs-layout'>,</span> <span class='hs-varid'>all</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ys</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyword'>of</span>
<a name="line-139"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseOk</span> <span class='hs-layout'>(</span><span class='hs-varid'>utf8Warnings</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span>
<a name="line-140"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseFailed</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoParse</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>line</span><span class='hs-layout'>)</span>
<a name="line-141"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseFailed</span> <span class='hs-layout'>(</span><span class='hs-conid'>AmbigousParse</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>line</span><span class='hs-layout'>)</span>
<a name="line-142"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseFailed</span> <span class='hs-layout'>(</span><span class='hs-conid'>AmbigousParse</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>line</span><span class='hs-layout'>)</span>
<a name="line-143"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>results</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readP_to_S</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span>
<a name="line-144"></a>
<a name="line-145"></a><a name="runE"></a><span class='hs-definition'>runE</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadE</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'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-146"></a><span class='hs-definition'>runE</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-147"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>runReadE</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-148"></a> <span class='hs-conid'>Right</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseOk</span> <span class='hs-layout'>(</span><span class='hs-varid'>utf8Warnings</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>a</span>
<a name="line-149"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>line</span> <span class='hs-varop'>$</span>
<a name="line-150"></a> <span class='hs-str'>"Parse of field '"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fieldname</span> <span class='hs-varop'>++</span> <span class='hs-str'>"' failed ("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>e</span> <span class='hs-varop'>++</span> <span class='hs-str'>"): "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>s</span>
<a name="line-151"></a>
<a name="line-152"></a><a name="utf8Warnings"></a><span class='hs-definition'>utf8Warnings</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</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-keyglyph'>[</span><span class='hs-conid'>PWarning</span><span class='hs-keyglyph'>]</span>
<a name="line-153"></a><span class='hs-definition'>utf8Warnings</span> <span class='hs-varid'>line</span> <span class='hs-varid'>fieldname</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-154"></a> <span class='hs-varid'>take</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>UTFWarning</span> <span class='hs-varid'>n</span> <span class='hs-varid'>fieldname</span>
<a name="line-155"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>line</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-varid'>lines</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-156"></a> <span class='hs-layout'>,</span> <span class='hs-chr'>'\xfffd'</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>]</span>
<a name="line-157"></a>
<a name="line-158"></a><a name="locatedErrorMsg"></a><span class='hs-definition'>locatedErrorMsg</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PError</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>LineNo</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-159"></a><span class='hs-definition'>locatedErrorMsg</span> <span class='hs-layout'>(</span><span class='hs-conid'>AmbigousParse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</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-str'>"Ambiguous parse in field '"</span><span class='hs-varop'>++</span><span class='hs-varid'>f</span><span class='hs-varop'>++</span><span class='hs-str'>"'."</span><span class='hs-layout'>)</span>
<a name="line-160"></a><span class='hs-definition'>locatedErrorMsg</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoParse</span> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</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-str'>"Parse of field '"</span><span class='hs-varop'>++</span><span class='hs-varid'>f</span><span class='hs-varop'>++</span><span class='hs-str'>"' failed."</span><span class='hs-layout'>)</span>
<a name="line-161"></a><span class='hs-definition'>locatedErrorMsg</span> <span class='hs-layout'>(</span><span class='hs-conid'>TabsError</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</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-str'>"Tab used as indentation."</span><span class='hs-layout'>)</span>
<a name="line-162"></a><span class='hs-definition'>locatedErrorMsg</span> <span class='hs-layout'>(</span><span class='hs-conid'>FromString</span> <span class='hs-varid'>s</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-163"></a>
<a name="line-164"></a><a name="syntaxError"></a><span class='hs-definition'>syntaxError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-165"></a><span class='hs-definition'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span> <span class='hs-varop'>$</span> <span class='hs-conid'>FromString</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-166"></a>
<a name="line-167"></a><a name="tabsError"></a><span class='hs-definition'>tabsError</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-168"></a><span class='hs-definition'>tabsError</span> <span class='hs-varid'>ln</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span> <span class='hs-varop'>$</span> <span class='hs-conid'>TabsError</span> <span class='hs-varid'>ln</span>
<a name="line-169"></a>
<a name="line-170"></a><a name="warning"></a><span class='hs-definition'>warning</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-conid'>()</span>
<a name="line-171"></a><span class='hs-definition'>warning</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseOk</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>PWarning</span> <span class='hs-varid'>s</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>()</span>
<a name="line-172"></a>
<a name="line-173"></a><a name="FieldDescr"></a><span class='hs-comment'>-- | Field descriptor. The parameter @a@ parameterizes over where the field's</span>
<a name="line-174"></a><a name="FieldDescr"></a><span class='hs-comment'>-- value is stored in.</span>
<a name="line-175"></a><a name="FieldDescr"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</span>
<a name="line-176"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FieldDescr</span>
<a name="line-177"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>fieldName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-178"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fieldGet</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-179"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fieldSet</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-180"></a> <span class='hs-comment'>-- ^ @fieldSet n str x@ Parses the field value from the given input</span>
<a name="line-181"></a> <span class='hs-comment'>-- string @str@ and stores the result in @x@ if the parse was</span>
<a name="line-182"></a> <span class='hs-comment'>-- successful. Otherwise, reports an error on line number @n@.</span>
<a name="line-183"></a> <span class='hs-layout'>}</span>
<a name="line-184"></a>
<a name="line-185"></a><a name="field"></a><span class='hs-definition'>field</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span> <span class='hs-varid'>a</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</span>
<a name="line-186"></a><span class='hs-definition'>field</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span> <span class='hs-keyglyph'>=</span>
<a name="line-187"></a> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>line</span> <span class='hs-varid'>val</span> <span class='hs-sel'>_st</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runP</span> <span class='hs-varid'>line</span> <span class='hs-varid'>name</span> <span class='hs-varid'>readF</span> <span class='hs-varid'>val</span><span class='hs-layout'>)</span>
<a name="line-188"></a>
<a name="line-189"></a><a name="liftField"></a><span class='hs-comment'>-- Lift a field descriptor storing into an 'a' to a field descriptor storing</span>
<a name="line-190"></a><span class='hs-comment'>-- into a 'b'.</span>
<a name="line-191"></a><span class='hs-definition'>liftField</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</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-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-192"></a><span class='hs-definition'>liftField</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-layout'>(</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>parseF</span><span class='hs-layout'>)</span>
<a name="line-193"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showF</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-194"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>line</span> <span class='hs-varid'>str</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-195"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseF</span> <span class='hs-varid'>line</span> <span class='hs-varid'>str</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-196"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>set</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-197"></a>
<a name="line-198"></a><a name="simpleField"></a><span class='hs-comment'>-- Parser combinator for simple fields. Takes a field name, a pretty printer,</span>
<a name="line-199"></a><span class='hs-comment'>-- a parser function, an accessor, and a setter, returns a FieldDescr over the</span>
<a name="line-200"></a><span class='hs-comment'>-- compoid structure.</span>
<a name="line-201"></a><span class='hs-definition'>simpleField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span> <span class='hs-varid'>a</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-202"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</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-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-203"></a><span class='hs-definition'>simpleField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span>
<a name="line-204"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftField</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-varop'>$</span> <span class='hs-varid'>field</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span>
<a name="line-205"></a>
<a name="line-206"></a><a name="commaListField"></a><span class='hs-definition'>commaListField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-207"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</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-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-208"></a><span class='hs-definition'>commaListField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-keyglyph'>=</span>
<a name="line-209"></a> <span class='hs-varid'>liftField</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set'</span> <span class='hs-varop'>$</span>
<a name="line-210"></a> <span class='hs-varid'>field</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>fsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>punctuate</span> <span class='hs-varid'>comma</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>showF</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseCommaList</span> <span class='hs-varid'>readF</span><span class='hs-layout'>)</span>
<a name="line-211"></a> <span class='hs-keyword'>where</span>
<a name="line-212"></a> <span class='hs-varid'>set'</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>set</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>b</span> <span class='hs-varop'>++</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>b</span>
<a name="line-213"></a>
<a name="line-214"></a><a name="spaceListField"></a><span class='hs-definition'>spaceListField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-215"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</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-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-216"></a><span class='hs-definition'>spaceListField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-keyglyph'>=</span>
<a name="line-217"></a> <span class='hs-varid'>liftField</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set'</span> <span class='hs-varop'>$</span>
<a name="line-218"></a> <span class='hs-varid'>field</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>fsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>showF</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseSpaceList</span> <span class='hs-varid'>readF</span><span class='hs-layout'>)</span>
<a name="line-219"></a> <span class='hs-keyword'>where</span>
<a name="line-220"></a> <span class='hs-varid'>set'</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>set</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>b</span> <span class='hs-varop'>++</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>b</span>
<a name="line-221"></a>
<a name="line-222"></a><a name="listField"></a><span class='hs-definition'>listField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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-conid'>Doc</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-223"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</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-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</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'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-224"></a><span class='hs-definition'>listField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-keyglyph'>=</span>
<a name="line-225"></a> <span class='hs-varid'>liftField</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set'</span> <span class='hs-varop'>$</span>
<a name="line-226"></a> <span class='hs-varid'>field</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>fsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>showF</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseOptCommaList</span> <span class='hs-varid'>readF</span><span class='hs-layout'>)</span>
<a name="line-227"></a> <span class='hs-keyword'>where</span>
<a name="line-228"></a> <span class='hs-varid'>set'</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>set</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>b</span> <span class='hs-varop'>++</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>b</span>
<a name="line-229"></a>
<a name="line-230"></a><a name="optsField"></a><span class='hs-definition'>optsField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CompilerFlavor</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>CompilerFlavor</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-layout'>)</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>CompilerFlavor</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-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-231"></a><span class='hs-definition'>optsField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>flavor</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-keyglyph'>=</span>
<a name="line-232"></a> <span class='hs-varid'>liftField</span> <span class='hs-layout'>(</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'>flavor</span> <span class='hs-varop'>.</span> <span class='hs-varid'>get</span><span class='hs-layout'>)</span>
<a name="line-233"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>opts</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>set</span> <span class='hs-layout'>(</span><span class='hs-varid'>update</span> <span class='hs-varid'>flavor</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-varid'>get</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-234"></a> <span class='hs-varid'>field</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>hsep</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>text</span><span class='hs-layout'>)</span>
<a name="line-235"></a> <span class='hs-layout'>(</span><span class='hs-varid'>sepBy</span> <span class='hs-varid'>parseTokenQ'</span> <span class='hs-layout'>(</span><span class='hs-varid'>munch1</span> <span class='hs-varid'>isSpace</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-236"></a> <span class='hs-keyword'>where</span>
<a name="line-237"></a> <span class='hs-varid'>update</span> <span class='hs-varid'>f</span> <span class='hs-varid'>opts</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>f</span><span class='hs-layout'>,</span><span class='hs-varid'>opts</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-238"></a> <span class='hs-varid'>update</span> <span class='hs-varid'>f</span> <span class='hs-varid'>opts</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>f'</span><span class='hs-layout'>,</span><span class='hs-varid'>opts'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>rest</span><span class='hs-layout'>)</span>
<a name="line-239"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>f</span> <span class='hs-varop'>==</span> <span class='hs-varid'>f'</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span><span class='hs-layout'>,</span> <span class='hs-varid'>opts'</span> <span class='hs-varop'>++</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest</span>
<a name="line-240"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>f'</span><span class='hs-layout'>,</span><span class='hs-varid'>opts'</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>update</span> <span class='hs-varid'>f</span> <span class='hs-varid'>opts</span> <span class='hs-varid'>rest</span>
<a name="line-241"></a>
<a name="line-242"></a><a name="boolField"></a><span class='hs-comment'>-- TODO: this is a bit smelly hack. It's because we want to parse bool fields</span>
<a name="line-243"></a><span class='hs-comment'>-- liberally but not accept new parses. We cannot do that with ReadP</span>
<a name="line-244"></a><span class='hs-comment'>-- because it does not support warnings. We need a new parser framwork!</span>
<a name="line-245"></a><span class='hs-definition'>boolField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>b</span>
<a name="line-246"></a><span class='hs-definition'>boolField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftField</span> <span class='hs-varid'>get</span> <span class='hs-varid'>set</span> <span class='hs-layout'>(</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>name</span> <span class='hs-varid'>showF</span> <span class='hs-varid'>readF</span><span class='hs-layout'>)</span>
<a name="line-247"></a> <span class='hs-keyword'>where</span>
<a name="line-248"></a> <span class='hs-varid'>showF</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span>
<a name="line-249"></a> <span class='hs-varid'>readF</span> <span class='hs-varid'>line</span> <span class='hs-varid'>str</span> <span class='hs-keyword'>_</span>
<a name="line-250"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>str</span> <span class='hs-varop'>==</span> <span class='hs-str'>"True"</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseOk</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>True</span>
<a name="line-251"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>str</span> <span class='hs-varop'>==</span> <span class='hs-str'>"False"</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseOk</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>False</span>
<a name="line-252"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>lstr</span> <span class='hs-varop'>==</span> <span class='hs-str'>"true"</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseOk</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>caseWarning</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>True</span>
<a name="line-253"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>lstr</span> <span class='hs-varop'>==</span> <span class='hs-str'>"false"</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseOk</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>caseWarning</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>False</span>
<a name="line-254"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFailed</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoParse</span> <span class='hs-varid'>name</span> <span class='hs-varid'>line</span><span class='hs-layout'>)</span>
<a name="line-255"></a> <span class='hs-keyword'>where</span>
<a name="line-256"></a> <span class='hs-varid'>lstr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lowercase</span> <span class='hs-varid'>str</span>
<a name="line-257"></a> <span class='hs-varid'>caseWarning</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PWarning</span> <span class='hs-varop'>$</span>
<a name="line-258"></a> <span class='hs-str'>"The '"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>name</span> <span class='hs-varop'>++</span> <span class='hs-str'>"' field is case sensitive, use 'True' or 'False'."</span>
<a name="line-259"></a>
<a name="line-260"></a><a name="ppFields"></a><span class='hs-definition'>ppFields</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</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-conid'>Doc</span>
<a name="line-261"></a><span class='hs-definition'>ppFields</span> <span class='hs-varid'>fields</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>vcat</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>ppField</span> <span class='hs-varid'>name</span> <span class='hs-layout'>(</span><span class='hs-varid'>getter</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-262"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>name</span> <span class='hs-varid'>getter</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fields</span><span class='hs-keyglyph'>]</span>
<a name="line-263"></a>
<a name="line-264"></a><a name="ppField"></a><span class='hs-definition'>ppField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-265"></a><span class='hs-definition'>ppField</span> <span class='hs-varid'>name</span> <span class='hs-varid'>fielddoc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>name</span> <span class='hs-varop'><></span> <span class='hs-varid'>colon</span> <span class='hs-varop'><+></span> <span class='hs-varid'>fielddoc</span>
<a name="line-266"></a>
<a name="line-267"></a><a name="showFields"></a><span class='hs-definition'>showFields</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</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-conid'>String</span>
<a name="line-268"></a><span class='hs-definition'>showFields</span> <span class='hs-varid'>fields</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>render</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varop'>$+$</span> <span class='hs-varid'>text</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ppFields</span> <span class='hs-varid'>fields</span>
<a name="line-269"></a>
<a name="line-270"></a><a name="showSingleNamedField"></a><span class='hs-definition'>showSingleNamedField</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-271"></a><span class='hs-definition'>showSingleNamedField</span> <span class='hs-varid'>fields</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span>
<a name="line-272"></a> <span class='hs-keyword'>case</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>get</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>f'</span> <span class='hs-varid'>get</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fields</span><span class='hs-layout'>,</span> <span class='hs-varid'>f'</span> <span class='hs-varop'>==</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>]</span> <span class='hs-keyword'>of</span>
<a name="line-273"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span>
<a name="line-274"></a> <span class='hs-layout'>(</span><span class='hs-varid'>get</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>render</span> <span class='hs-varop'>.</span> <span class='hs-varid'>ppField</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>get</span><span class='hs-layout'>)</span>
<a name="line-275"></a>
<a name="line-276"></a><a name="parseFields"></a><span class='hs-definition'>parseFields</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>a</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-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-varid'>a</span>
<a name="line-277"></a><span class='hs-definition'>parseFields</span> <span class='hs-varid'>fields</span> <span class='hs-varid'>initial</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>str</span> <span class='hs-keyglyph'>-></span>
<a name="line-278"></a> <span class='hs-varid'>readFields</span> <span class='hs-varid'>str</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>foldM</span> <span class='hs-varid'>setField</span> <span class='hs-varid'>initial</span>
<a name="line-279"></a> <span class='hs-keyword'>where</span>
<a name="line-280"></a> <span class='hs-varid'>fieldMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span>
<a name="line-281"></a> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>f</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>FieldDescr</span> <span class='hs-varid'>name</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fields</span> <span class='hs-keyglyph'>]</span>
<a name="line-282"></a> <span class='hs-varid'>setField</span> <span class='hs-varid'>accum</span> <span class='hs-layout'>(</span><span class='hs-conid'>F</span> <span class='hs-varid'>line</span> <span class='hs-varid'>name</span> <span class='hs-varid'>value</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>Map</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>name</span> <span class='hs-varid'>fieldMap</span> <span class='hs-keyword'>of</span>
<a name="line-283"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>FieldDescr</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>set</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>set</span> <span class='hs-varid'>line</span> <span class='hs-varid'>value</span> <span class='hs-varid'>accum</span>
<a name="line-284"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-285"></a> <span class='hs-varid'>warning</span> <span class='hs-layout'>(</span><span class='hs-str'>"Unrecognized field "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>name</span> <span class='hs-varop'>++</span> <span class='hs-str'>" on line "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>line</span><span class='hs-layout'>)</span>
<a name="line-286"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>accum</span>
<a name="line-287"></a> <span class='hs-varid'>setField</span> <span class='hs-varid'>accum</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-288"></a> <span class='hs-varid'>warning</span> <span class='hs-layout'>(</span><span class='hs-str'>"Unrecognized stanza on line "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>lineNo</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-289"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>accum</span>
<a name="line-290"></a>
<a name="line-291"></a><a name="UnrecFieldParser"></a><span class='hs-comment'>-- | The type of a function which, given a name-value pair of an</span>
<a name="line-292"></a><a name="UnrecFieldParser"></a><span class='hs-comment'>-- unrecognized field, and the current structure being built,</span>
<a name="line-293"></a><a name="UnrecFieldParser"></a><span class='hs-comment'>-- decides whether to incorporate the unrecognized field</span>
<a name="line-294"></a><a name="UnrecFieldParser"></a><span class='hs-comment'>-- (by returning Just x, where x is a possibly modified version</span>
<a name="line-295"></a><a name="UnrecFieldParser"></a><span class='hs-comment'>-- of the structure being built), or not (by returning Nothing).</span>
<a name="line-296"></a><a name="UnrecFieldParser"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>UnrecFieldParser</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</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> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span>
<a name="line-297"></a>
<a name="line-298"></a><a name="warnUnrec"></a><span class='hs-comment'>-- | A default unrecognized field parser which simply returns Nothing,</span>
<a name="line-299"></a><span class='hs-comment'>-- i.e. ignores all unrecognized fields, so warnings will be generated.</span>
<a name="line-300"></a><span class='hs-definition'>warnUnrec</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>UnrecFieldParser</span> <span class='hs-varid'>a</span>
<a name="line-301"></a><span class='hs-definition'>warnUnrec</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-302"></a>
<a name="line-303"></a><a name="ignoreUnrec"></a><span class='hs-comment'>-- | A default unrecognized field parser which silently (i.e. no</span>
<a name="line-304"></a><span class='hs-comment'>-- warnings will be generated) ignores unrecognized fields, by</span>
<a name="line-305"></a><span class='hs-comment'>-- returning the structure being built unmodified.</span>
<a name="line-306"></a><span class='hs-definition'>ignoreUnrec</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>UnrecFieldParser</span> <span class='hs-varid'>a</span>
<a name="line-307"></a><span class='hs-definition'>ignoreUnrec</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span>
<a name="line-308"></a>
<a name="line-309"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-310"></a>
<a name="line-311"></a><a name="Field"></a><span class='hs-comment'>-- The data type for our three syntactic categories</span>
<a name="line-312"></a><a name="Field"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Field</span>
<a name="line-313"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>F</span> <span class='hs-conid'>LineNo</span> <span class='hs-conid'>String</span> <span class='hs-conid'>String</span>
<a name="line-314"></a> <span class='hs-comment'>-- ^ A regular @<property>: <value>@ field</span>
<a name="line-315"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Section</span> <span class='hs-conid'>LineNo</span> <span class='hs-conid'>String</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Field</span><span class='hs-keyglyph'>]</span>
<a name="line-316"></a> <span class='hs-comment'>-- ^ A section with a name and possible parameter. The syntactic</span>
<a name="line-317"></a> <span class='hs-comment'>-- structure is:</span>
<a name="line-318"></a> <span class='hs-comment'>--</span>
<a name="line-319"></a> <span class='hs-comment'>-- @</span>
<a name="line-320"></a> <span class='hs-comment'>-- <sectionname> <arg> {</span>
<a name="line-321"></a> <span class='hs-comment'>-- <field>*</span>
<a name="line-322"></a> <span class='hs-comment'>-- }</span>
<a name="line-323"></a> <span class='hs-comment'>-- @</span>
<a name="line-324"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IfBlock</span> <span class='hs-conid'>LineNo</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Field</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Field</span><span class='hs-keyglyph'>]</span>
<a name="line-325"></a> <span class='hs-comment'>-- ^ A conditional block with an optional else branch:</span>
<a name="line-326"></a> <span class='hs-comment'>--</span>
<a name="line-327"></a> <span class='hs-comment'>-- @</span>
<a name="line-328"></a> <span class='hs-comment'>-- if <condition> {</span>
<a name="line-329"></a> <span class='hs-comment'>-- <field>*</span>
<a name="line-330"></a> <span class='hs-comment'>-- } else {</span>
<a name="line-331"></a> <span class='hs-comment'>-- <field>*</span>
<a name="line-332"></a> <span class='hs-comment'>-- }</span>
<a name="line-333"></a> <span class='hs-comment'>-- @</span>
<a name="line-334"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span>
<a name="line-335"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Eq</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- for testing</span>
<a name="line-336"></a>
<a name="line-337"></a><a name="lineNo"></a><span class='hs-definition'>lineNo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Field</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>LineNo</span>
<a name="line-338"></a><span class='hs-definition'>lineNo</span> <span class='hs-layout'>(</span><span class='hs-conid'>F</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-339"></a><span class='hs-definition'>lineNo</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-340"></a><span class='hs-definition'>lineNo</span> <span class='hs-layout'>(</span><span class='hs-conid'>IfBlock</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-341"></a>
<a name="line-342"></a><a name="fName"></a><span class='hs-definition'>fName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Field</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-343"></a><span class='hs-definition'>fName</span> <span class='hs-layout'>(</span><span class='hs-conid'>F</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-344"></a><span class='hs-definition'>fName</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span>
<a name="line-345"></a><span class='hs-definition'>fName</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"fname: not a field or section"</span>
<a name="line-346"></a>
<a name="line-347"></a><a name="readFields"></a><span class='hs-definition'>readFields</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Field</span><span class='hs-keyglyph'>]</span>
<a name="line-348"></a><span class='hs-definition'>readFields</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ifelse</span>
<a name="line-349"></a> <span class='hs-varop'>=<<</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkField</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-350"></a> <span class='hs-varop'>=<<</span> <span class='hs-varid'>mkTree</span> <span class='hs-varid'>tokens</span>
<a name="line-351"></a>
<a name="line-352"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ls</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>lines</span> <span class='hs-varop'>.</span> <span class='hs-varid'>normaliseLineEndings</span><span class='hs-layout'>)</span> <span class='hs-varid'>input</span>
<a name="line-353"></a> <span class='hs-varid'>tokens</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>concatMap</span> <span class='hs-varid'>tokeniseLine</span> <span class='hs-varop'>.</span> <span class='hs-varid'>trimLines</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span>
<a name="line-354"></a>
<a name="line-355"></a><a name="trimLines"></a><span class='hs-comment'>-- attach line number and determine indentation</span>
<a name="line-356"></a><span class='hs-definition'>trimLines</span> <span class='hs-keyglyph'>::</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-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>LineNo</span><span class='hs-layout'>,</span> <span class='hs-conid'>Indent</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasTabs</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-357"></a><span class='hs-definition'>trimLines</span> <span class='hs-varid'>ls</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>lineno</span><span class='hs-layout'>,</span> <span class='hs-varid'>indent</span><span class='hs-layout'>,</span> <span class='hs-varid'>hastabs</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>trimTrailing</span> <span class='hs-varid'>l'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-358"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>lineno</span><span class='hs-layout'>,</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ls</span>
<a name="line-359"></a> <span class='hs-layout'>,</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>sps</span><span class='hs-layout'>,</span> <span class='hs-varid'>l'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>span</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>l</span>
<a name="line-360"></a> <span class='hs-varid'>indent</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>length</span> <span class='hs-varid'>sps</span>
<a name="line-361"></a> <span class='hs-varid'>hastabs</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\t'</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>sps</span>
<a name="line-362"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>validLine</span> <span class='hs-varid'>l'</span> <span class='hs-keyglyph'>]</span>
<a name="line-363"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>validLine</span> <span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span> <span class='hs-comment'>-- Comment</span>
<a name="line-364"></a> <span class='hs-varid'>validLine</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span> <span class='hs-comment'>-- blank line</span>
<a name="line-365"></a> <span class='hs-varid'>validLine</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-366"></a>
<a name="line-367"></a><a name="Token"></a><span class='hs-comment'>-- | We parse generically based on indent level and braces '{' '}'. To do that</span>
<a name="line-368"></a><a name="Token"></a><span class='hs-comment'>-- we split into lines and then '{' '}' tokens and other spans within a line.</span>
<a name="line-369"></a><a name="Token"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Token</span> <span class='hs-keyglyph'>=</span>
<a name="line-370"></a> <span class='hs-comment'>-- | The 'Line' token is for bits that /start/ a line, eg:</span>
<a name="line-371"></a> <span class='hs-comment'>--</span>
<a name="line-372"></a> <span class='hs-comment'>-- > "\n blah blah { blah"</span>
<a name="line-373"></a> <span class='hs-comment'>--</span>
<a name="line-374"></a> <span class='hs-comment'>-- tokenises to:</span>
<a name="line-375"></a> <span class='hs-comment'>--</span>
<a name="line-376"></a> <span class='hs-comment'>-- > [Line n 2 False "blah blah", OpenBracket, Span n "blah"]</span>
<a name="line-377"></a> <span class='hs-comment'>--</span>
<a name="line-378"></a> <span class='hs-comment'>-- so lines are the only ones that can have nested layout, since they</span>
<a name="line-379"></a> <span class='hs-comment'>-- have a known indentation level.</span>
<a name="line-380"></a> <span class='hs-comment'>--</span>
<a name="line-381"></a> <span class='hs-comment'>-- eg: we can't have this:</span>
<a name="line-382"></a> <span class='hs-comment'>--</span>
<a name="line-383"></a> <span class='hs-comment'>-- > if ... {</span>
<a name="line-384"></a> <span class='hs-comment'>-- > } else</span>
<a name="line-385"></a> <span class='hs-comment'>-- > other</span>
<a name="line-386"></a> <span class='hs-comment'>--</span>
<a name="line-387"></a> <span class='hs-comment'>-- because other cannot nest under else, since else doesn't start a line</span>
<a name="line-388"></a> <span class='hs-comment'>-- so cannot have nested layout. It'd have to be:</span>
<a name="line-389"></a> <span class='hs-comment'>--</span>
<a name="line-390"></a> <span class='hs-comment'>-- > if ... {</span>
<a name="line-391"></a> <span class='hs-comment'>-- > }</span>
<a name="line-392"></a> <span class='hs-comment'>-- > else</span>
<a name="line-393"></a> <span class='hs-comment'>-- > other</span>
<a name="line-394"></a> <span class='hs-comment'>--</span>
<a name="line-395"></a> <span class='hs-comment'>-- but that's not so common, people would normally use layout or</span>
<a name="line-396"></a> <span class='hs-comment'>-- brackets not both in a single @if else@ construct.</span>
<a name="line-397"></a> <span class='hs-comment'>--</span>
<a name="line-398"></a> <span class='hs-comment'>-- > if ... { foo : bar }</span>
<a name="line-399"></a> <span class='hs-comment'>-- > else</span>
<a name="line-400"></a> <span class='hs-comment'>-- > other</span>
<a name="line-401"></a> <span class='hs-comment'>--</span>
<a name="line-402"></a> <span class='hs-comment'>-- this is ok</span>
<a name="line-403"></a> <span class='hs-conid'>Line</span> <span class='hs-conid'>LineNo</span> <span class='hs-conid'>Indent</span> <span class='hs-conid'>HasTabs</span> <span class='hs-conid'>String</span>
<a name="line-404"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Span</span> <span class='hs-conid'>LineNo</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ span in a line, following brackets</span>
<a name="line-405"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpenBracket</span> <span class='hs-conid'>LineNo</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CloseBracket</span> <span class='hs-conid'>LineNo</span>
<a name="line-406"></a>
<a name="line-407"></a><a name="Indent"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Indent</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Int</span>
<a name="line-408"></a><a name="HasTabs"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>HasTabs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Bool</span>
<a name="line-409"></a>
<a name="line-410"></a><a name="tokeniseLine"></a><span class='hs-comment'>-- | Tokenise a single line, splitting on '{' '}' and the spans inbetween.</span>
<a name="line-411"></a><span class='hs-comment'>-- Also trims leading & trailing space on those spans within the line.</span>
<a name="line-412"></a><span class='hs-definition'>tokeniseLine</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>LineNo</span><span class='hs-layout'>,</span> <span class='hs-conid'>Indent</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasTabs</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Token</span><span class='hs-keyglyph'>]</span>
<a name="line-413"></a><span class='hs-definition'>tokeniseLine</span> <span class='hs-layout'>(</span><span class='hs-varid'>n0</span><span class='hs-layout'>,</span> <span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>split</span> <span class='hs-varid'>n0</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-414"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Span</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>l'</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-conid'>Line</span> <span class='hs-varid'>n0</span> <span class='hs-varid'>i</span> <span class='hs-varid'>t</span> <span class='hs-varid'>l'</span> <span class='hs-conop'>:</span><span class='hs-varid'>ss</span>
<a name="line-415"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>cs</span>
<a name="line-416"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>split</span> <span class='hs-keyword'>_</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-417"></a> <span class='hs-varid'>split</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>span</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>c</span> <span class='hs-varop'>/=</span><span class='hs-chr'>'}'</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-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-418"></a> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-chr'>'{'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>split</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s'</span>
<a name="line-419"></a> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-layout'>,</span> <span class='hs-chr'>'{'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mkspan</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>split</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span>
<a name="line-420"></a> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span> <span class='hs-chr'>'}'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CloseBracket</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>split</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s'</span>
<a name="line-421"></a> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-layout'>,</span> <span class='hs-chr'>'}'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mkspan</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-conid'>CloseBracket</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>split</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span>
<a name="line-422"></a> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>mkspan</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-conid'>[]</span>
<a name="line-423"></a>
<a name="line-424"></a> <span class='hs-varid'>mkspan</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s</span> <span class='hs-varid'>ss</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ss</span>
<a name="line-425"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Span</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ss</span>
<a name="line-426"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>trimTrailing</span> <span class='hs-layout'>(</span><span class='hs-varid'>trimLeading</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-427"></a>
<a name="line-428"></a><a name="trimLeading"></a><span class='hs-definition'>trimLeading</span><span class='hs-layout'>,</span> <span class='hs-varid'>trimTrailing</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-429"></a><span class='hs-definition'>trimLeading</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span>
<a name="line-430"></a><a name="trimTrailing"></a><span class='hs-definition'>trimTrailing</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-431"></a>
<a name="line-432"></a>
<a name="line-433"></a><a name="SyntaxTree"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>SyntaxTree</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Tree</span> <span class='hs-layout'>(</span><span class='hs-conid'>LineNo</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasTabs</span><span class='hs-layout'>,</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-434"></a>
<a name="line-435"></a><a name="mkTree"></a><span class='hs-comment'>-- | Parse the stream of tokens into a tree of them, based on indent \/ layout</span>
<a name="line-436"></a><span class='hs-definition'>mkTree</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Token</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SyntaxTree</span><span class='hs-keyglyph'>]</span>
<a name="line-437"></a><span class='hs-definition'>mkTree</span> <span class='hs-varid'>toks</span> <span class='hs-keyglyph'>=</span>
<a name="line-438"></a> <span class='hs-varid'>layout</span> <span class='hs-num'>0</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>toks</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>trees</span><span class='hs-layout'>,</span> <span class='hs-varid'>trailing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>trailing</span> <span class='hs-keyword'>of</span>
<a name="line-439"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>trees</span>
<a name="line-440"></a> <span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"mismatched backets, unexpected {"</span>
<a name="line-441"></a> <span class='hs-conid'>CloseBracket</span> <span class='hs-varid'>n</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"mismatched backets, unexpected }"</span>
<a name="line-442"></a> <span class='hs-comment'>-- the following two should never happen:</span>
<a name="line-443"></a> <span class='hs-conid'>Span</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</span> <span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-str'>"unexpected span: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>l</span>
<a name="line-444"></a> <span class='hs-conid'>Line</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>l</span> <span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-str'>"unexpected line: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>l</span>
<a name="line-445"></a>
<a name="line-446"></a>
<a name="line-447"></a><a name="layout"></a><span class='hs-comment'>-- | Parse the stream of tokens into a tree of them, based on indent</span>
<a name="line-448"></a><span class='hs-comment'>-- This parse state expect to be in a layout context, though possibly</span>
<a name="line-449"></a><span class='hs-comment'>-- nested within a braces context so we may still encounter closing braces.</span>
<a name="line-450"></a><span class='hs-definition'>layout</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Indent</span> <span class='hs-comment'>-- ^ indent level of the parent\/previous line</span>
<a name="line-451"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SyntaxTree</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ accumulating param, trees in this level</span>
<a name="line-452"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Token</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ remaining tokens</span>
<a name="line-453"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>SyntaxTree</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Token</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-454"></a> <span class='hs-comment'>-- ^ collected trees on this level and trailing tokens</span>
<a name="line-455"></a><span class='hs-definition'>layout</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>a</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-456"></a><span class='hs-definition'>layout</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i'</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</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'>i'</span> <span class='hs-varop'><</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>a</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>
<a name="line-457"></a><span class='hs-definition'>layout</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span> <span class='hs-varid'>l</span><span class='hs-conop'>:</span><span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n'</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-keyword'>do</span>
<a name="line-458"></a> <span class='hs-layout'>(</span><span class='hs-varid'>sub</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>braces</span> <span class='hs-varid'>n'</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>ss</span>
<a name="line-459"></a> <span class='hs-varid'>layout</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>sub</span><span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss'</span>
<a name="line-460"></a>
<a name="line-461"></a><span class='hs-definition'>layout</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Span</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</span><span class='hs-conop'>:</span><span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n'</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-keyword'>do</span>
<a name="line-462"></a> <span class='hs-layout'>(</span><span class='hs-varid'>sub</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>braces</span> <span class='hs-varid'>n'</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>ss</span>
<a name="line-463"></a> <span class='hs-varid'>layout</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>sub</span><span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss'</span>
<a name="line-464"></a>
<a name="line-465"></a><span class='hs-comment'>-- look ahead to see if following lines are more indented, giving a sub-tree</span>
<a name="line-466"></a><span class='hs-definition'>layout</span> <span class='hs-varid'>i</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-varid'>n</span> <span class='hs-varid'>i'</span> <span class='hs-varid'>t</span> <span class='hs-varid'>l</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-keyword'>do</span>
<a name="line-467"></a> <span class='hs-varid'>lookahead</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>layout</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-conid'>[]</span> <span class='hs-varid'>ss</span>
<a name="line-468"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookahead</span> <span class='hs-keyword'>of</span>
<a name="line-469"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>layout</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss</span>
<a name="line-470"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ts</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>layout</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ts</span> <span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss'</span>
<a name="line-471"></a>
<a name="line-472"></a><span class='hs-definition'>layout</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span> <span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-str'>"unexpected '{'"</span>
<a name="line-473"></a><span class='hs-definition'>layout</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>CloseBracket</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</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'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>a</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>
<a name="line-474"></a><span class='hs-definition'>layout</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Span</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-str'>"unexpected span: "</span>
<a name="line-475"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>l</span>
<a name="line-476"></a>
<a name="line-477"></a><a name="braces"></a><span class='hs-comment'>-- | Parse the stream of tokens into a tree of them, based on explicit braces</span>
<a name="line-478"></a><span class='hs-comment'>-- This parse state expects to find a closing bracket.</span>
<a name="line-479"></a><span class='hs-definition'>braces</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LineNo</span> <span class='hs-comment'>-- ^ line of the '{', used for error messages</span>
<a name="line-480"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SyntaxTree</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ accumulating param, trees in this level</span>
<a name="line-481"></a> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Token</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ remaining tokens</span>
<a name="line-482"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>SyntaxTree</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>Token</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-483"></a> <span class='hs-comment'>-- ^ collected trees on this level and trailing tokens</span>
<a name="line-484"></a><span class='hs-definition'>braces</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>t</span> <span class='hs-varid'>l</span><span class='hs-conop'>:</span><span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n'</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-keyword'>do</span>
<a name="line-485"></a> <span class='hs-layout'>(</span><span class='hs-varid'>sub</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>braces</span> <span class='hs-varid'>n'</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>ss</span>
<a name="line-486"></a> <span class='hs-varid'>braces</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>sub</span><span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss'</span>
<a name="line-487"></a>
<a name="line-488"></a><span class='hs-definition'>braces</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Span</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</span><span class='hs-conop'>:</span><span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n'</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-keyword'>do</span>
<a name="line-489"></a> <span class='hs-layout'>(</span><span class='hs-varid'>sub</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>braces</span> <span class='hs-varid'>n'</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>ss</span>
<a name="line-490"></a> <span class='hs-varid'>braces</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>sub</span><span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss'</span>
<a name="line-491"></a>
<a name="line-492"></a><span class='hs-definition'>braces</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Line</span> <span class='hs-varid'>n</span> <span class='hs-varid'>i</span> <span class='hs-varid'>t</span> <span class='hs-varid'>l</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-keyword'>do</span>
<a name="line-493"></a> <span class='hs-varid'>lookahead</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>layout</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-conid'>[]</span> <span class='hs-varid'>ss</span>
<a name="line-494"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookahead</span> <span class='hs-keyword'>of</span>
<a name="line-495"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>braces</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss</span>
<a name="line-496"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ts</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>braces</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ts</span> <span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss'</span>
<a name="line-497"></a>
<a name="line-498"></a><span class='hs-definition'>braces</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>Span</span> <span class='hs-varid'>n</span> <span class='hs-varid'>l</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'>braces</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-conid'>False</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span><span class='hs-conop'>:</span><span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss</span>
<a name="line-499"></a><span class='hs-definition'>braces</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>a</span> <span class='hs-layout'>(</span><span class='hs-conid'>CloseBracket</span> <span class='hs-keyword'>_</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'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>ss</span><span class='hs-layout'>)</span>
<a name="line-500"></a><span class='hs-definition'>braces</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-str'>"opening brace '{'"</span>
<a name="line-501"></a> <span class='hs-varop'>++</span> <span class='hs-str'>"has no matching closing brace '}'"</span>
<a name="line-502"></a><span class='hs-definition'>braces</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>OpenBracket</span> <span class='hs-varid'>n</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"unexpected '{'"</span>
<a name="line-503"></a>
<a name="line-504"></a><a name="mkField"></a><span class='hs-comment'>-- | Convert the parse tree into the Field AST</span>
<a name="line-505"></a><span class='hs-comment'>-- Also check for dodgy uses of tabs in indentation.</span>
<a name="line-506"></a><span class='hs-definition'>mkField</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>SyntaxTree</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-conid'>Field</span>
<a name="line-507"></a><span class='hs-definition'>mkField</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>d</span> <span class='hs-varop'>>=</span> <span class='hs-num'>1</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tabsError</span> <span class='hs-varid'>n</span>
<a name="line-508"></a><span class='hs-definition'>mkField</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-conid'>Node</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ts</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>span</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isAlphaNum</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-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>of</span>
<a name="line-509"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-str'>"unrecognised field or section: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>l</span>
<a name="line-510"></a> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>trimLeading</span> <span class='hs-varid'>rest</span> <span class='hs-keyword'>of</span>
<a name="line-511"></a> <span class='hs-layout'>(</span><span class='hs-chr'>':'</span><span class='hs-conop'>:</span><span class='hs-varid'>rest'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>followingLines</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-conid'>Tree</span><span class='hs-varop'>.</span><span class='hs-varid'>flatten</span> <span class='hs-varid'>ts</span>
<a name="line-512"></a> <span class='hs-varid'>tabs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>()</span><span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-conid'>True</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>followingLines</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-513"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>tabs</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>d</span> <span class='hs-varop'>>=</span> <span class='hs-num'>1</span>
<a name="line-514"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>tabsError</span> <span class='hs-varid'>n</span>
<a name="line-515"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>F</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span>
<a name="line-516"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fieldValue</span> <span class='hs-varid'>rest'</span> <span class='hs-varid'>followingLines</span><span class='hs-layout'>)</span>
<a name="line-517"></a> <span class='hs-varid'>rest'</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ts'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>mkField</span> <span class='hs-layout'>(</span><span class='hs-varid'>d</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>ts</span>
<a name="line-518"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>toLower</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-varid'>rest'</span> <span class='hs-varid'>ts'</span><span class='hs-layout'>)</span>
<a name="line-519"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>fieldValue</span> <span class='hs-varid'>firstLine</span> <span class='hs-varid'>followingLines</span> <span class='hs-keyglyph'>=</span>
<a name="line-520"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>firstLine'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>trimLeading</span> <span class='hs-varid'>firstLine</span>
<a name="line-521"></a> <span class='hs-varid'>followingLines'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>stripDot</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>followingLines</span>
<a name="line-522"></a> <span class='hs-varid'>allLines</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>firstLine'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>followingLines'</span>
<a name="line-523"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>firstLine'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>followingLines'</span>
<a name="line-524"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"\n"</span> <span class='hs-varid'>allLines</span>
<a name="line-525"></a> <span class='hs-varid'>stripDot</span> <span class='hs-str'>"."</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-526"></a> <span class='hs-varid'>stripDot</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span>
<a name="line-527"></a>
<a name="line-528"></a><a name="ifelse"></a><span class='hs-comment'>-- | Convert if/then/else 'Section's to 'IfBlock's</span>
<a name="line-529"></a><span class='hs-definition'>ifelse</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Field</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseResult</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Field</span><span class='hs-keyglyph'>]</span>
<a name="line-530"></a><span class='hs-definition'>ifelse</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-531"></a><span class='hs-definition'>ifelse</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-str'>"if"</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>thenpart</span>
<a name="line-532"></a> <span class='hs-conop'>:</span><span class='hs-conid'>Section</span> <span class='hs-keyword'>_</span> <span class='hs-str'>"else"</span> <span class='hs-keyword'>as</span> <span class='hs-varid'>elsepart</span><span class='hs-conop'>:</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span>
<a name="line-533"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>cond</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"'if' with missing condition"</span>
<a name="line-534"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>thenpart</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"'then' branch of 'if' is empty"</span>
<a name="line-535"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"'else' takes no arguments"</span>
<a name="line-536"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>elsepart</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"'else' branch of 'if' is empty"</span>
<a name="line-537"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>tp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>thenpart</span>
<a name="line-538"></a> <span class='hs-varid'>ep</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>elsepart</span>
<a name="line-539"></a> <span class='hs-varid'>fs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>fs</span>
<a name="line-540"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>IfBlock</span> <span class='hs-varid'>n</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>tp</span> <span class='hs-varid'>ep</span><span class='hs-conop'>:</span><span class='hs-varid'>fs'</span><span class='hs-layout'>)</span>
<a name="line-541"></a><span class='hs-definition'>ifelse</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-str'>"if"</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>thenpart</span><span class='hs-conop'>:</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span>
<a name="line-542"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>cond</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"'if' with missing condition"</span>
<a name="line-543"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>thenpart</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"'then' branch of 'if' is empty"</span>
<a name="line-544"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>tp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>thenpart</span>
<a name="line-545"></a> <span class='hs-varid'>fs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>fs</span>
<a name="line-546"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>IfBlock</span> <span class='hs-varid'>n</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>tp</span> <span class='hs-conid'>[]</span><span class='hs-conop'>:</span><span class='hs-varid'>fs'</span><span class='hs-layout'>)</span>
<a name="line-547"></a><span class='hs-definition'>ifelse</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-str'>"else"</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>syntaxError</span> <span class='hs-varid'>n</span> <span class='hs-str'>"stray 'else' with no preceding 'if'"</span>
<a name="line-548"></a><span class='hs-definition'>ifelse</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s</span> <span class='hs-varid'>a</span> <span class='hs-varid'>fs'</span><span class='hs-conop'>:</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>fs''</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>fs'</span>
<a name="line-549"></a> <span class='hs-varid'>fs'''</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>fs</span>
<a name="line-550"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Section</span> <span class='hs-varid'>n</span> <span class='hs-varid'>s</span> <span class='hs-varid'>a</span> <span class='hs-varid'>fs''</span> <span class='hs-conop'>:</span> <span class='hs-varid'>fs'''</span><span class='hs-layout'>)</span>
<a name="line-551"></a><span class='hs-definition'>ifelse</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span><span class='hs-conop'>:</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>fs'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ifelse</span> <span class='hs-varid'>fs</span>
<a name="line-552"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-conop'>:</span> <span class='hs-varid'>fs'</span><span class='hs-layout'>)</span>
<a name="line-553"></a>
<a name="line-554"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-555"></a>
<a name="line-556"></a><a name="parseModuleNameQ"></a><span class='hs-comment'>-- |parse a module name</span>
<a name="line-557"></a><span class='hs-definition'>parseModuleNameQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>ModuleName</span>
<a name="line-558"></a><span class='hs-definition'>parseModuleNameQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parse</span>
<a name="line-559"></a>
<a name="line-560"></a><a name="parseFilePathQ"></a><span class='hs-definition'>parseFilePathQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>FilePath</span>
<a name="line-561"></a><span class='hs-definition'>parseFilePathQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseTokenQ</span>
<a name="line-562"></a> <span class='hs-comment'>-- removed until normalise is no longer broken, was:</span>
<a name="line-563"></a> <span class='hs-comment'>-- liftM normalise parseTokenQ</span>
<a name="line-564"></a>
<a name="line-565"></a><a name="parseBuildTool"></a><span class='hs-definition'>parseBuildTool</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>Dependency</span>
<a name="line-566"></a><span class='hs-definition'>parseBuildTool</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseBuildToolNameQ</span>
<a name="line-567"></a> <span class='hs-varid'>skipSpaces</span>
<a name="line-568"></a> <span class='hs-varid'>ver</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseVersionRangeQ</span> <span class='hs-varop'><++</span> <span class='hs-varid'>return</span> <span class='hs-varid'>anyVersion</span>
<a name="line-569"></a> <span class='hs-varid'>skipSpaces</span>
<a name="line-570"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Dependency</span> <span class='hs-varid'>name</span> <span class='hs-varid'>ver</span>
<a name="line-571"></a>
<a name="line-572"></a><a name="parseBuildToolNameQ"></a><span class='hs-definition'>parseBuildToolNameQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>PackageName</span>
<a name="line-573"></a><span class='hs-definition'>parseBuildToolNameQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parseBuildToolName</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parseBuildToolName</span>
<a name="line-574"></a>
<a name="line-575"></a><a name="parseBuildToolName"></a><span class='hs-comment'>-- like parsePackageName but accepts symbols in components</span>
<a name="line-576"></a><span class='hs-definition'>parseBuildToolName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>PackageName</span>
<a name="line-577"></a><span class='hs-definition'>parseBuildToolName</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>ns</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>sepBy1</span> <span class='hs-varid'>component</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</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-578"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>PackageName</span> <span class='hs-layout'>(</span><span class='hs-varid'>intercalate</span> <span class='hs-str'>"-"</span> <span class='hs-varid'>ns</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-579"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>component</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-580"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>munch1</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isAlphaNum</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-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'_'</span><span class='hs-layout'>)</span>
<a name="line-581"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>all</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>pfail</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varid'>cs</span>
<a name="line-582"></a>
<a name="line-583"></a><a name="parsePkgconfigDependency"></a><span class='hs-comment'>-- pkg-config allows versions and other letters in package names,</span>
<a name="line-584"></a><span class='hs-comment'>-- eg "gtk+-2.0" is a valid pkg-config package _name_.</span>
<a name="line-585"></a><span class='hs-comment'>-- It then has a package version number like 2.10.13</span>
<a name="line-586"></a><span class='hs-definition'>parsePkgconfigDependency</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>Dependency</span>
<a name="line-587"></a><span class='hs-definition'>parsePkgconfigDependency</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>munch1</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>isAlphaNum</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"+-._"</span><span class='hs-layout'>)</span>
<a name="line-588"></a> <span class='hs-varid'>skipSpaces</span>
<a name="line-589"></a> <span class='hs-varid'>ver</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseVersionRangeQ</span> <span class='hs-varop'><++</span> <span class='hs-varid'>return</span> <span class='hs-varid'>anyVersion</span>
<a name="line-590"></a> <span class='hs-varid'>skipSpaces</span>
<a name="line-591"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Dependency</span> <span class='hs-layout'>(</span><span class='hs-conid'>PackageName</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-varid'>ver</span>
<a name="line-592"></a>
<a name="line-593"></a><a name="parsePackageNameQ"></a><span class='hs-definition'>parsePackageNameQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>PackageName</span>
<a name="line-594"></a><span class='hs-definition'>parsePackageNameQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parse</span>
<a name="line-595"></a>
<a name="line-596"></a><a name="parseVersionRangeQ"></a><span class='hs-definition'>parseVersionRangeQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>VersionRange</span>
<a name="line-597"></a><span class='hs-definition'>parseVersionRangeQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parse</span>
<a name="line-598"></a>
<a name="line-599"></a><a name="parseOptVersion"></a><span class='hs-definition'>parseOptVersion</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>Version</span>
<a name="line-600"></a><span class='hs-definition'>parseOptVersion</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>ver</span> <span class='hs-varop'><++</span> <span class='hs-varid'>ver</span>
<a name="line-601"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ver</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>Version</span>
<a name="line-602"></a> <span class='hs-varid'>ver</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>return</span> <span class='hs-varid'>noVersion</span>
<a name="line-603"></a> <span class='hs-varid'>noVersion</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Version</span><span class='hs-layout'>{</span> <span class='hs-varid'>versionBranch</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-varid'>versionTags</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>[]</span> <span class='hs-layout'>}</span>
<a name="line-604"></a>
<a name="line-605"></a><a name="parseTestedWithQ"></a><span class='hs-definition'>parseTestedWithQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-layout'>(</span><span class='hs-conid'>CompilerFlavor</span><span class='hs-layout'>,</span><span class='hs-conid'>VersionRange</span><span class='hs-layout'>)</span>
<a name="line-606"></a><span class='hs-definition'>parseTestedWithQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>tw</span> <span class='hs-varop'><++</span> <span class='hs-varid'>tw</span>
<a name="line-607"></a> <span class='hs-keyword'>where</span>
<a name="line-608"></a> <span class='hs-varid'>tw</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-layout'>(</span><span class='hs-conid'>CompilerFlavor</span><span class='hs-layout'>,</span><span class='hs-conid'>VersionRange</span><span class='hs-layout'>)</span>
<a name="line-609"></a> <span class='hs-varid'>tw</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>compiler</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseCompilerFlavorCompat</span>
<a name="line-610"></a> <span class='hs-varid'>skipSpaces</span>
<a name="line-611"></a> <span class='hs-varid'>version</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>return</span> <span class='hs-varid'>anyVersion</span>
<a name="line-612"></a> <span class='hs-varid'>skipSpaces</span>
<a name="line-613"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>compiler</span><span class='hs-layout'>,</span><span class='hs-varid'>version</span><span class='hs-layout'>)</span>
<a name="line-614"></a>
<a name="line-615"></a><a name="parseLicenseQ"></a><span class='hs-definition'>parseLicenseQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>License</span>
<a name="line-616"></a><span class='hs-definition'>parseLicenseQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parse</span>
<a name="line-617"></a>
<a name="line-618"></a><span class='hs-comment'>-- urgh, we can't define optQuotes :: ReadP r a -> ReadP r a</span>
<a name="line-619"></a><span class='hs-comment'>-- because the "compat" version of ReadP isn't quite powerful enough. In</span>
<a name="line-620"></a><span class='hs-comment'>-- particular, the type of <++ is ReadP r r -> ReadP r a -> ReadP r a</span>
<a name="line-621"></a><span class='hs-comment'>-- Hence the trick above to make 'lic' polymorphic.</span>
<a name="line-622"></a>
<a name="line-623"></a><a name="parseLanguageQ"></a><span class='hs-definition'>parseLanguageQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>Language</span>
<a name="line-624"></a><span class='hs-definition'>parseLanguageQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parse</span>
<a name="line-625"></a>
<a name="line-626"></a><a name="parseExtensionQ"></a><span class='hs-definition'>parseExtensionQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>Extension</span>
<a name="line-627"></a><span class='hs-definition'>parseExtensionQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQuoted</span> <span class='hs-varid'>parse</span> <span class='hs-varop'><++</span> <span class='hs-varid'>parse</span>
<a name="line-628"></a>
<a name="line-629"></a><a name="parseHaskellString"></a><span class='hs-definition'>parseHaskellString</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>String</span>
<a name="line-630"></a><span class='hs-definition'>parseHaskellString</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readS_to_P</span> <span class='hs-varid'>reads</span>
<a name="line-631"></a>
<a name="line-632"></a><a name="parseTokenQ"></a><span class='hs-definition'>parseTokenQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>String</span>
<a name="line-633"></a><span class='hs-definition'>parseTokenQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseHaskellString</span> <span class='hs-varop'><++</span> <span class='hs-varid'>munch1</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isSpace</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</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-layout'>)</span>
<a name="line-634"></a>
<a name="line-635"></a><a name="parseTokenQ'"></a><span class='hs-definition'>parseTokenQ'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>String</span>
<a name="line-636"></a><span class='hs-definition'>parseTokenQ'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseHaskellString</span> <span class='hs-varop'><++</span> <span class='hs-varid'>munch1</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isSpace</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-637"></a>
<a name="line-638"></a><a name="parseSepList"></a><span class='hs-definition'>parseSepList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>b</span>
<a name="line-639"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^The parser for the stuff between commas</span>
<a name="line-640"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-641"></a><span class='hs-definition'>parseSepList</span> <span class='hs-varid'>sepr</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sepBy</span> <span class='hs-varid'>p</span> <span class='hs-varid'>separator</span>
<a name="line-642"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>separator</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>skipSpaces</span> <span class='hs-varop'>>></span> <span class='hs-varid'>sepr</span> <span class='hs-varop'>>></span> <span class='hs-varid'>skipSpaces</span>
<a name="line-643"></a>
<a name="line-644"></a><a name="parseSpaceList"></a><span class='hs-definition'>parseSpaceList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^The parser for the stuff between commas</span>
<a name="line-645"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-646"></a><span class='hs-definition'>parseSpaceList</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sepBy</span> <span class='hs-varid'>p</span> <span class='hs-varid'>skipSpaces</span>
<a name="line-647"></a>
<a name="line-648"></a><a name="parseCommaList"></a><span class='hs-definition'>parseCommaList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^The parser for the stuff between commas</span>
<a name="line-649"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-650"></a><span class='hs-definition'>parseCommaList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseSepList</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</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-651"></a>
<a name="line-652"></a><a name="parseOptCommaList"></a><span class='hs-definition'>parseOptCommaList</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-- ^The parser for the stuff between commas</span>
<a name="line-653"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-654"></a><span class='hs-definition'>parseOptCommaList</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseSepList</span> <span class='hs-layout'>(</span><span class='hs-varid'>optional</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span><span class='hs-varop'>.</span><span class='hs-varid'>char</span> <span class='hs-chr'>','</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-655"></a>
<a name="line-656"></a><a name="parseQuoted"></a><span class='hs-definition'>parseQuoted</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-varid'>a</span>
<a name="line-657"></a><span class='hs-definition'>parseQuoted</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>between</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReadP</span><span class='hs-varop'>.</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-conid'>ReadP</span><span class='hs-varop'>.</span><span class='hs-varid'>char</span> <span class='hs-chr'>'"'</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span>
<a name="line-658"></a>
<a name="line-659"></a><a name="parseFreeText"></a><span class='hs-definition'>parseFreeText</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ReadP</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadP</span> <span class='hs-varid'>s</span> <span class='hs-conid'>String</span>
<a name="line-660"></a><span class='hs-definition'>parseFreeText</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ReadP</span><span class='hs-varop'>.</span><span class='hs-varid'>munch</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span>
<a name="line-661"></a>
<a name="line-662"></a><span class='hs-comment'>-- --------------------------------------------</span>
<a name="line-663"></a><span class='hs-comment'>-- ** Pretty printing</span>
<a name="line-664"></a>
<a name="line-665"></a><a name="showFilePath"></a><span class='hs-definition'>showFilePath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-666"></a><span class='hs-definition'>showFilePath</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showToken</span>
<a name="line-667"></a>
<a name="line-668"></a><a name="showToken"></a><span class='hs-definition'>showToken</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-669"></a><span class='hs-definition'>showToken</span> <span class='hs-varid'>str</span>
<a name="line-670"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>any</span> <span class='hs-varid'>dodgy</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span>
<a name="line-671"></a> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>null</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-varid'>str</span>
<a name="line-672"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>str</span><span class='hs-layout'>)</span>
<a name="line-673"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>dodgy</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isSpace</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>
<a name="line-674"></a>
<a name="line-675"></a><a name="showTestedWith"></a><span class='hs-definition'>showTestedWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>CompilerFlavor</span><span class='hs-layout'>,</span><span class='hs-conid'>VersionRange</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-676"></a><span class='hs-definition'>showTestedWith</span> <span class='hs-layout'>(</span><span class='hs-varid'>compiler</span><span class='hs-layout'>,</span> <span class='hs-varid'>version</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>compiler</span><span class='hs-layout'>)</span> <span class='hs-varop'><+></span> <span class='hs-varid'>disp</span> <span class='hs-varid'>version</span>
<a name="line-677"></a>
<a name="line-678"></a><a name="showFreeText"></a><span class='hs-comment'>-- | Pretty-print free-format text, ensuring that it is vertically aligned,</span>
<a name="line-679"></a><span class='hs-comment'>-- and with blank lines replaced by dots for correct re-parsing.</span>
<a name="line-680"></a><span class='hs-definition'>showFreeText</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Doc</span>
<a name="line-681"></a><span class='hs-definition'>showFreeText</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>vcat</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>l</span> <span class='hs-keyword'>then</span> <span class='hs-str'>"."</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>lines</span> <span class='hs-varid'>s</span><span class='hs-keyglyph'>]</span>
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