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<title>Language/Preprocessor/Cpphs/Options.hs</title>
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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 : Options</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : 2006 Malcolm Wallace</span>
<a name="line-5"></a><span class='hs-comment'>-- Licence : LGPL</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : Malcolm Wallace <Malcolm.Wallace@cs.york.ac.uk></span>
<a name="line-8"></a><span class='hs-comment'>-- Stability : experimental</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability : All</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- This module deals with Cpphs options and parsing them</span>
<a name="line-12"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Preprocessor</span><span class='hs-varop'>.</span><span class='hs-conid'>Cpphs</span><span class='hs-varop'>.</span><span class='hs-conid'>Options</span>
<a name="line-15"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>CpphsOptions</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-16"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>BoolOptions</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-17"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>parseOptions</span>
<a name="line-18"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defaultCpphsOptions</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defaultBoolOptions</span>
<a name="line-20"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span><span class='hs-varid'>isPrefixOf</span><span class='hs-layout'>)</span>
<a name="line-24"></a>
<a name="line-25"></a><a name="CpphsOptions"></a><span class='hs-comment'>-- | Cpphs options structure.</span>
<a name="line-26"></a><a name="CpphsOptions"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>CpphsOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CpphsOptions</span>
<a name="line-27"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>infiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>outfiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defines</span> <span class='hs-keyglyph'>::</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>
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>includes</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-31"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>preInclude</span><span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ Files to #include before anything else</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>boolopts</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BoolOptions</span>
<a name="line-33"></a> <span class='hs-layout'>}</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="defaultCpphsOptions"></a><span class='hs-comment'>-- | Default options.</span>
<a name="line-36"></a><span class='hs-definition'>defaultCpphsOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CpphsOptions</span>
<a name="line-37"></a><span class='hs-definition'>defaultCpphsOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CpphsOptions</span> <span class='hs-layout'>{</span> <span class='hs-varid'>infiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-varid'>outfiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defines</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-varid'>includes</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>preInclude</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>boolopts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultBoolOptions</span> <span class='hs-layout'>}</span>
<a name="line-41"></a>
<a name="line-42"></a><a name="BoolOptions"></a><span class='hs-comment'>-- | Options representable as Booleans.</span>
<a name="line-43"></a><a name="BoolOptions"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>BoolOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BoolOptions</span>
<a name="line-44"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>macros</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Leave \#define and \#undef in output of ifdef?</span>
<a name="line-45"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>locations</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Place #line droppings in output?</span>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>hashline</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Write #line or {-# LINE #-} ?</span>
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pragma</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Keep #pragma in final output?</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stripEol</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Remove C eol (\/\/) comments everywhere?</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stripC89</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Remove C inline (\/**\/) comments everywhere?</span>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lang</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Lex input as Haskell code?</span>
<a name="line-51"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>ansi</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Permit stringise \# and catenate \#\# operators?</span>
<a name="line-52"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>layout</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Retain newlines in macro expansions?</span>
<a name="line-53"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>literate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Remove literate markup?</span>
<a name="line-54"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>warnings</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ Issue warnings?</span>
<a name="line-55"></a> <span class='hs-layout'>}</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="defaultBoolOptions"></a><span class='hs-comment'>-- | Default settings of boolean options.</span>
<a name="line-58"></a><span class='hs-definition'>defaultBoolOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BoolOptions</span>
<a name="line-59"></a><span class='hs-definition'>defaultBoolOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BoolOptions</span> <span class='hs-layout'>{</span> <span class='hs-varid'>macros</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-varid'>locations</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-60"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>hashline</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-varid'>pragma</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-61"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stripEol</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-varid'>stripC89</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-62"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lang</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span><span class='hs-layout'>,</span> <span class='hs-varid'>ansi</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-63"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>layout</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span><span class='hs-layout'>,</span> <span class='hs-varid'>literate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-64"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>warnings</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span> <span class='hs-layout'>}</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="RawOption"></a><span class='hs-comment'>-- | Raw command-line options. This is an internal intermediate data</span>
<a name="line-67"></a><a name="RawOption"></a><span class='hs-comment'>-- structure, used during option parsing only.</span>
<a name="line-68"></a><a name="RawOption"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RawOption</span>
<a name="line-69"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NoMacro</span>
<a name="line-70"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NoLine</span>
<a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LinePragma</span>
<a name="line-72"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Pragma</span>
<a name="line-73"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Text</span>
<a name="line-74"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Strip</span>
<a name="line-75"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>StripEol</span>
<a name="line-76"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Ansi</span>
<a name="line-77"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Layout</span>
<a name="line-78"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Unlit</span>
<a name="line-79"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SuppressWarnings</span>
<a name="line-80"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Macro</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-81"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Path</span> <span class='hs-conid'>String</span>
<a name="line-82"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PreInclude</span> <span class='hs-conid'>FilePath</span>
<a name="line-83"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-84"></a>
<a name="line-85"></a><a name="flags"></a><span class='hs-definition'>flags</span> <span class='hs-keyglyph'>::</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'>RawOption</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-86"></a><span class='hs-definition'>flags</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-str'>"--nomacro"</span><span class='hs-layout'>,</span> <span class='hs-conid'>NoMacro</span><span class='hs-layout'>)</span>
<a name="line-87"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--noline"</span><span class='hs-layout'>,</span> <span class='hs-conid'>NoLine</span><span class='hs-layout'>)</span>
<a name="line-88"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--linepragma"</span><span class='hs-layout'>,</span> <span class='hs-conid'>LinePragma</span><span class='hs-layout'>)</span>
<a name="line-89"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--pragma"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Pragma</span><span class='hs-layout'>)</span>
<a name="line-90"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--text"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Text</span><span class='hs-layout'>)</span>
<a name="line-91"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--strip"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Strip</span><span class='hs-layout'>)</span>
<a name="line-92"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--strip-eol"</span><span class='hs-layout'>,</span> <span class='hs-conid'>StripEol</span><span class='hs-layout'>)</span>
<a name="line-93"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--hashes"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ansi</span><span class='hs-layout'>)</span>
<a name="line-94"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--layout"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Layout</span><span class='hs-layout'>)</span>
<a name="line-95"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--unlit"</span><span class='hs-layout'>,</span> <span class='hs-conid'>Unlit</span><span class='hs-layout'>)</span>
<a name="line-96"></a> <span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-str'>"--nowarn"</span><span class='hs-layout'>,</span> <span class='hs-conid'>SuppressWarnings</span><span class='hs-layout'>)</span>
<a name="line-97"></a> <span class='hs-keyglyph'>]</span>
<a name="line-98"></a>
<a name="line-99"></a><a name="rawOption"></a><span class='hs-comment'>-- | Parse a single raw command-line option. Parse failure is indicated by</span>
<a name="line-100"></a><span class='hs-comment'>-- result Nothing.</span>
<a name="line-101"></a><span class='hs-definition'>rawOption</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-conid'>RawOption</span>
<a name="line-102"></a><span class='hs-definition'>rawOption</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isJust</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>a</span>
<a name="line-103"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>x</span> <span class='hs-varid'>flags</span>
<a name="line-104"></a><span class='hs-definition'>rawOption</span> <span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'D'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Macro</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>d</span> <span class='hs-keyword'>then</span> <span class='hs-str'>"1"</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>tail</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-105"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-chr'>'='</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-106"></a><span class='hs-definition'>rawOption</span> <span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'I'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Path</span> <span class='hs-varop'>$</span> <span class='hs-varid'>trailing</span> <span class='hs-str'>"/\\"</span> <span class='hs-varid'>xs</span>
<a name="line-107"></a><span class='hs-definition'>rawOption</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>|</span> <span class='hs-str'>"--include="</span><span class='hs-varop'>`isPrefixOf`</span><span class='hs-varid'>xs</span>
<a name="line-108"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>PreInclude</span> <span class='hs-layout'>(</span><span class='hs-varid'>drop</span> <span class='hs-num'>10</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-109"></a><span class='hs-definition'>rawOption</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="trailing"></a><span class='hs-definition'>trailing</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-112"></a><span class='hs-definition'>trailing</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>.</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>`elem`</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>reverse</span>
<a name="line-113"></a>
<a name="line-114"></a><a name="boolOpts"></a><span class='hs-comment'>-- | Convert a list of RawOption to a BoolOptions structure.</span>
<a name="line-115"></a><span class='hs-definition'>boolOpts</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RawOption</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BoolOptions</span>
<a name="line-116"></a><span class='hs-definition'>boolOpts</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>=</span>
<a name="line-117"></a> <span class='hs-conid'>BoolOptions</span>
<a name="line-118"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>macros</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoMacro</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-119"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>locations</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoLine</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-120"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>hashline</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-conid'>LinePragma</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-121"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pragma</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Pragma</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-122"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stripEol</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StripEol</span><span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-123"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stripC89</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>StripEol</span><span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span> <span class='hs-varop'>||</span> <span class='hs-conid'>Strip</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-124"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>lang</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-conid'>Text</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-125"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>ansi</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Ansi</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-126"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>layout</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Layout</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-127"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>literate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Unlit</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span>
<a name="line-128"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>warnings</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-conid'>SuppressWarnings</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>opts</span><span class='hs-layout'>)</span>
<a name="line-129"></a> <span class='hs-layout'>}</span>
<a name="line-130"></a>
<a name="line-131"></a><a name="parseOptions"></a><span class='hs-comment'>-- | Parse all command-line options.</span>
<a name="line-132"></a><span class='hs-definition'>parseOptions</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-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>CpphsOptions</span>
<a name="line-133"></a><span class='hs-definition'>parseOptions</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-conid'>[]</span><span class='hs-layout'>,</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-134"></a> <span class='hs-keyword'>where</span>
<a name="line-135"></a> <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-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'O'</span><span class='hs-conop'>:</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</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-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-136"></a> <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-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>rawOption</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-137"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varid'>x</span>
<a name="line-138"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>opts</span><span class='hs-layout'>,</span> <span class='hs-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-139"></a> <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-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</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-varid'>normalise</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-140"></a> <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-varid'>ins</span><span class='hs-layout'>,</span> <span class='hs-varid'>outs</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span>
<a name="line-141"></a> <span class='hs-conid'>Right</span> <span class='hs-conid'>CpphsOptions</span> <span class='hs-layout'>{</span> <span class='hs-varid'>infiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>ins</span>
<a name="line-142"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>outfiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>outs</span>
<a name="line-143"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>defines</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Macro</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>]</span>
<a name="line-144"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>includes</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Path</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>]</span>
<a name="line-145"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>preInclude</span><span class='hs-keyglyph'>=</span><span class='hs-keyglyph'>[</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PreInclude</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>opts</span> <span class='hs-keyglyph'>]</span>
<a name="line-146"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>boolopts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>boolOpts</span> <span class='hs-varid'>opts</span>
<a name="line-147"></a> <span class='hs-layout'>}</span>
<a name="line-148"></a> <span class='hs-varid'>normalise</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-varid'>filepath</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>normalise</span> <span class='hs-layout'>(</span><span class='hs-chr'>'/'</span><span class='hs-conop'>:</span><span class='hs-varid'>filepath</span><span class='hs-layout'>)</span>
<a name="line-149"></a> <span class='hs-varid'>normalise</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>filepath</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>normalise</span> <span class='hs-varid'>filepath</span>
<a name="line-150"></a> <span class='hs-varid'>normalise</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
</pre></body>
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