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ghc-cpphs-devel-1.12-1.fc16.i686.rpm

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<title>Language/Preprocessor/Cpphs/Tokenise.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      :  Tokenise</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright   :  2004 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 &lt;Malcolm.Wallace@cs.york.ac.uk&gt;</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'>-- The purpose of this module is to lex a source file (language</span>
<a name="line-12"></a><span class='hs-comment'>-- unspecified) into tokens such that cpp can recognise a replaceable</span>
<a name="line-13"></a><span class='hs-comment'>-- symbol or macro-use, and do the right thing.</span>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>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'>Tokenise</span>
<a name="line-17"></a>  <span class='hs-layout'>(</span> <span class='hs-varid'>linesCpp</span>
<a name="line-18"></a>  <span class='hs-layout'>,</span> <span class='hs-varid'>reslash</span>
<a name="line-19"></a>  <span class='hs-layout'>,</span> <span class='hs-varid'>tokenise</span>
<a name="line-20"></a>  <span class='hs-layout'>,</span> <span class='hs-conid'>WordStyle</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-21"></a>  <span class='hs-layout'>,</span> <span class='hs-varid'>deWordStyle</span>
<a name="line-22"></a>  <span class='hs-layout'>,</span> <span class='hs-varid'>parseMacroCall</span>
<a name="line-23"></a>  <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span>
<a name="line-26"></a><span class='hs-keyword'>import</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'>HashDefine</span>
<a name="line-27"></a><span class='hs-keyword'>import</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'>Position</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="Mode"></a><span class='hs-comment'>-- | A Mode value describes whether to tokenise a la Haskell, or a la Cpp.</span>
<a name="line-30"></a><a name="Mode"></a><span class='hs-comment'>--   The main difference is that in Cpp mode we should recognise line</span>
<a name="line-31"></a><a name="Mode"></a><span class='hs-comment'>--   continuation characters.</span>
<a name="line-32"></a><a name="Mode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Mode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Haskell</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Cpp</span>
<a name="line-33"></a>
<a name="line-34"></a><a name="linesCpp"></a><span class='hs-comment'>-- | linesCpp is, broadly speaking, Prelude.lines, except that</span>
<a name="line-35"></a><span class='hs-comment'>--   on a line beginning with a \#, line continuation characters are</span>
<a name="line-36"></a><span class='hs-comment'>--   recognised.  In a line continuation, the newline character is</span>
<a name="line-37"></a><span class='hs-comment'>--   preserved, but the backslash is not.</span>
<a name="line-38"></a><span class='hs-definition'>linesCpp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-39"></a><span class='hs-definition'>linesCpp</span>  <span class='hs-conid'>[]</span>                 <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-40"></a><span class='hs-definition'>linesCpp</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'>x</span><span class='hs-varop'>==</span><span class='hs-chr'>'#'</span>     <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>Cpp</span>     <span class='hs-keyglyph'>[</span><span class='hs-chr'>'#'</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>xs</span>
<a name="line-41"></a>                <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>Haskell</span> <span class='hs-conid'>[]</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>
<a name="line-42"></a>  <span class='hs-keyword'>where</span>
<a name="line-43"></a>    <span class='hs-varid'>tok</span> <span class='hs-conid'>Cpp</span>   <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>Cpp</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>ys</span>
<a name="line-44"></a>    <span class='hs-varid'>tok</span> <span class='hs-keyword'>_</span>     <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-chr'>'#'</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>acc</span><span class='hs-conop'>:</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>Cpp</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'#'</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>ys</span>
<a name="line-45"></a>    <span class='hs-varid'>tok</span> <span class='hs-keyword'>_</span>     <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>acc</span><span class='hs-conop'>:</span> <span class='hs-varid'>tok</span> <span class='hs-conid'>Haskell</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>ys</span>
<a name="line-46"></a>    <span class='hs-varid'>tok</span> <span class='hs-keyword'>_</span>     <span class='hs-varid'>acc</span> <span class='hs-conid'>[]</span>               <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>acc</span><span class='hs-conop'>:</span> <span class='hs-conid'>[]</span>
<a name="line-47"></a>    <span class='hs-varid'>tok</span> <span class='hs-varid'>mode</span>  <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span>           <span class='hs-keyglyph'>=</span> <span class='hs-varid'>tok</span> <span class='hs-varid'>mode</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>ys</span>
<a name="line-48"></a>
<a name="line-49"></a><a name="reslash"></a><span class='hs-comment'>-- | Put back the line-continuation characters.</span>
<a name="line-50"></a><span class='hs-definition'>reslash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span>
<a name="line-51"></a><span class='hs-definition'>reslash</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</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-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>reslash</span> <span class='hs-varid'>xs</span>
<a name="line-52"></a><span class='hs-definition'>reslash</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'>x</span><span class='hs-conop'>:</span> <span class='hs-varid'>reslash</span> <span class='hs-varid'>xs</span>
<a name="line-53"></a><span class='hs-definition'>reslash</span>   <span class='hs-conid'>[]</span>      <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-54"></a>
<a name="line-55"></a><a name="SubMode"></a><span class='hs-comment'>----</span>
<a name="line-56"></a><a name="SubMode"></a><span class='hs-comment'>-- | Submodes are required to deal correctly with nesting of lexical</span>
<a name="line-57"></a><a name="SubMode"></a><span class='hs-comment'>--   structures.</span>
<a name="line-58"></a><a name="SubMode"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>SubMode</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Any</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Pred</span> <span class='hs-layout'>(</span><span class='hs-conid'>Char</span><span class='hs-keyglyph'>-&gt;</span><span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Posn</span><span class='hs-keyglyph'>-&gt;</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>-&gt;</span><span class='hs-conid'>WordStyle</span><span class='hs-layout'>)</span>
<a name="line-59"></a>             <span class='hs-keyglyph'>|</span> <span class='hs-conid'>String</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>LineComment</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NestComment</span> <span class='hs-conid'>Int</span>
<a name="line-60"></a>             <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CComment</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CLineComment</span>
<a name="line-61"></a>
<a name="line-62"></a><a name="WordStyle"></a><span class='hs-comment'>-- | Each token is classified as one of Ident, Other, or Cmd:</span>
<a name="line-63"></a><a name="WordStyle"></a><span class='hs-comment'>--   * Ident is a word that could potentially match a macro name.</span>
<a name="line-64"></a><a name="WordStyle"></a><span class='hs-comment'>--   * Cmd is a complete cpp directive (\#define etc).</span>
<a name="line-65"></a><a name="WordStyle"></a><span class='hs-comment'>--   * Other is anything else.</span>
<a name="line-66"></a><a name="WordStyle"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>WordStyle</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Ident</span> <span class='hs-conid'>Posn</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Other</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Cmd</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>HashDefine</span><span class='hs-layout'>)</span>
<a name="line-67"></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-68"></a><a name="other"></a><span class='hs-definition'>other</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posn</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>WordStyle</span>
<a name="line-69"></a><span class='hs-definition'>other</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Other</span> <span class='hs-varid'>s</span>
<a name="line-70"></a>
<a name="line-71"></a><a name="deWordStyle"></a><span class='hs-definition'>deWordStyle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WordStyle</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span>
<a name="line-72"></a><span class='hs-definition'>deWordStyle</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>i</span>
<a name="line-73"></a><span class='hs-definition'>deWordStyle</span> <span class='hs-layout'>(</span><span class='hs-conid'>Other</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>i</span>
<a name="line-74"></a><span class='hs-definition'>deWordStyle</span> <span class='hs-layout'>(</span><span class='hs-conid'>Cmd</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span>     <span class='hs-keyglyph'>=</span> <span class='hs-str'>"\n"</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="tokenise"></a><span class='hs-comment'>-- | tokenise is, broadly-speaking, Prelude.words, except that:</span>
<a name="line-77"></a><span class='hs-comment'>--    * the input is already divided into lines</span>
<a name="line-78"></a><span class='hs-comment'>--    * each word-like "token" is categorised as one of {Ident,Other,Cmd}</span>
<a name="line-79"></a><span class='hs-comment'>--    * \#define's are parsed and returned out-of-band using the Cmd variant</span>
<a name="line-80"></a><span class='hs-comment'>--    * All whitespace is preserved intact as tokens.</span>
<a name="line-81"></a><span class='hs-comment'>--    * C-comments are converted to white-space (depending on first param)</span>
<a name="line-82"></a><span class='hs-comment'>--    * Parens and commas are tokens in their own right.</span>
<a name="line-83"></a><span class='hs-comment'>--    * Any cpp line continuations are respected.</span>
<a name="line-84"></a><span class='hs-comment'>--   No errors can be raised.</span>
<a name="line-85"></a><span class='hs-comment'>--   The inverse of tokenise is (concatMap deWordStyle).</span>
<a name="line-86"></a><span class='hs-definition'>tokenise</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Posn</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'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span>
<a name="line-87"></a><span class='hs-definition'>tokenise</span> <span class='hs-keyword'>_</span>        <span class='hs-keyword'>_</span>             <span class='hs-keyword'>_</span>    <span class='hs-keyword'>_</span>     <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-88"></a><span class='hs-definition'>tokenise</span> <span class='hs-varid'>stripEol</span> <span class='hs-varid'>stripComments</span> <span class='hs-varid'>ansi</span> <span class='hs-varid'>lang</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>pos</span><span class='hs-layout'>,</span><span class='hs-varid'>str</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>pos_strs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-89"></a>    <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>lang</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>haskell</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>plaintext</span><span class='hs-layout'>)</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>pos</span> <span class='hs-varid'>pos_strs</span> <span class='hs-varid'>str</span>
<a name="line-90"></a> <span class='hs-keyword'>where</span>
<a name="line-91"></a>    <span class='hs-comment'>-- rules to lex Haskell</span>
<a name="line-92"></a>  <span class='hs-varid'>haskell</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SubMode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Posn</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Posn</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-93"></a>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span>
<a name="line-94"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-chr'>'#'</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'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>  <span class='hs-comment'>-- emit "\n" $</span>
<a name="line-95"></a>                                            <span class='hs-varid'>cpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>haskell</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-96"></a>    <span class='hs-comment'>-- warning: non-maximal munch on comment</span>
<a name="line-97"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-98"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-conid'>LineComment</span> <span class='hs-str'>"--"</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-99"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>       <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-100"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-str'>"-{"</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-101"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'/'</span><span class='hs-conop'>:</span><span class='hs-chr'>'*'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-102"></a>                          <span class='hs-keyglyph'>|</span> <span class='hs-varid'>stripComments</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-103"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-conid'>CComment</span> <span class='hs-str'>"  "</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-104"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>
<a name="line-105"></a>                          <span class='hs-keyglyph'>|</span> <span class='hs-varid'>stripEol</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-106"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-conid'>CLineComment</span> <span class='hs-str'>"  "</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-107"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>           <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-108"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-chr'>'"'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-chr'>'"'</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-109"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\''</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'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-110"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-chr'>'\''</span><span class='hs-layout'>)</span> <span class='hs-str'>"'"</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-111"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>single</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emit</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$</span>
<a name="line-112"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-113"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>space</span> <span class='hs-varid'>x</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-114"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>space</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-115"></a>                                                                        <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-116"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>symbol</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-117"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>symbol</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-118"></a>                                                                        <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-119"></a> <span class='hs-comment'>-- haskell Any [] p ls (x:xs) | ident0 x  = id $</span>
<a name="line-120"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>ident0</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-121"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>ident1</span> <span class='hs-conid'>Ident</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-122"></a>                                                                        <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-123"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-124"></a>
<a name="line-125"></a>  <span class='hs-varid'>haskell</span> <span class='hs-varid'>pre</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>ws</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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>
<a name="line-126"></a>                        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>x</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-varid'>pre</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-127"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ws</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ws</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span>
<a name="line-128"></a>                                      <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-129"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-130"></a>                        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-varop'>==</span><span class='hs-chr'>'\\'</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</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'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-131"></a>                        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-varop'>==</span><span class='hs-varid'>c</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-132"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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>
<a name="line-133"></a>                        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-varop'>==</span><span class='hs-varid'>c</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-134"></a>                        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-135"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-136"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>haskell</span> <span class='hs-conid'>LineComment</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-137"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>
<a name="line-138"></a>                                    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-139"></a>                                                            <span class='hs-layout'>(</span><span class='hs-str'>"-{"</span><span class='hs-varop'>++</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-140"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>
<a name="line-141"></a>                                    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-layout'>(</span><span class='hs-str'>"}-"</span><span class='hs-varop'>++</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-142"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>
<a name="line-143"></a>                                    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-144"></a>                                                            <span class='hs-layout'>(</span><span class='hs-str'>"}-"</span><span class='hs-varop'>++</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-145"></a>  <span class='hs-varid'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>haskell</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-varid'>n</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'>acc</span><span class='hs-layout'>)</span>
<a name="line-146"></a>                                                                        <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-147"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>CComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-layout'>(</span><span class='hs-str'>"  "</span><span class='hs-varop'>++</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-148"></a>                                            <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-149"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>CComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</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'>haskell</span> <span class='hs-conid'>CComment</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-150"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>CLineComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'\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'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>haskell</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-151"></a>  <span class='hs-varid'>haskell</span> <span class='hs-conid'>CLineComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</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'>haskell</span> <span class='hs-conid'>CLineComment</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span>
<a name="line-152"></a>                                                                       <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-153"></a>  <span class='hs-varid'>haskell</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>acc</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ls</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>haskell</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span>
<a name="line-154"></a>  <span class='hs-varid'>haskell</span> <span class='hs-keyword'>_</span>    <span class='hs-varid'>acc</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span>                <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-conid'>[]</span>
<a name="line-155"></a>
<a name="line-156"></a>  <span class='hs-comment'>-- rules to lex Cpp</span>
<a name="line-157"></a>  <span class='hs-varid'>cpp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SubMode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>SubMode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Posn</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Posn</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-158"></a>                     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-159"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Posn</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Posn</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-160"></a>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span>
<a name="line-161"></a>  <span class='hs-varid'>cpp</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>next</span> <span class='hs-varid'>word</span> <span class='hs-varid'>line</span> <span class='hs-varid'>pos</span> <span class='hs-varid'>remaining</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span>
<a name="line-162"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>word</span> <span class='hs-varid'>line</span> <span class='hs-varid'>remaining</span> <span class='hs-varid'>input</span>
<a name="line-163"></a>   <span class='hs-keyword'>where</span>
<a name="line-164"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-str'>""</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-165"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-str'>"  "</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-166"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>l'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ls</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>next</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-str'>"\n"</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>l'</span>
<a name="line-167"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\n'</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'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-str'>"\n"</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-168"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'\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-conid'>Cmd</span> <span class='hs-layout'>(</span><span class='hs-varid'>parseHashDefine</span> <span class='hs-varid'>ansi</span>
<a name="line-169"></a>                                                           <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span>
<a name="line-170"></a>                                       <span class='hs-varid'>next</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>pos</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-171"></a> <span class='hs-comment'>-- lexcpp Any w l ls ('"':xs)     = lexcpp (String '"') ['"'] (w*/*l) ls xs</span>
<a name="line-172"></a> <span class='hs-comment'>-- lexcpp Any w l ls ('\'':xs)    = lexcpp (String '\'') "'"  (w*/*l) ls xs</span>
<a name="line-173"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</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'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-str'>"\""</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-174"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\''</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'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-str'>"'"</span><span class='hs-conop'>:</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-175"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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>
<a name="line-176"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>ident0</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>ident1</span> <span class='hs-conid'>Ident</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'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-177"></a> <span class='hs-comment'>-- lexcpp Any w l ls (x:xs) | ident0 x  = lexcpp (Pred ident1 Ident) [x] (w*/*l) ls xs</span>
<a name="line-178"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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>
<a name="line-179"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>single</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</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-conop'>:</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-180"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>space</span> <span class='hs-varid'>x</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>space</span> <span class='hs-varid'>other</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-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-181"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>symbol</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>symbol</span> <span class='hs-varid'>other</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-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-182"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-183"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-varid'>pre</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>pred</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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>
<a name="line-184"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>x</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-varid'>pre</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-185"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-186"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-187"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-varop'>==</span><span class='hs-chr'>'\\'</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</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'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-188"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-varop'>==</span><span class='hs-varid'>c</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-189"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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>
<a name="line-190"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-varop'>==</span><span class='hs-varid'>c</span>      <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-191"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-varid'>c</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'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-192"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>l'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ls</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-193"></a>                             <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>next</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>pos</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>l'</span>
<a name="line-194"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-195"></a>                                <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-196"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'\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'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-197"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</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'>lexcpp</span> <span class='hs-conid'>LineComment</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-198"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>
<a name="line-199"></a>                                          <span class='hs-keyglyph'>=</span> <span class='hs-varid'>lexcpp</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-varop'>*/*</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-200"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</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'>lexcpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>NestComment</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span>
<a name="line-201"></a>                                                                        <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-202"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>l'</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ls</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cpp</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>next</span> <span class='hs-varid'>w</span> <span class='hs-varid'>l</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>l'</span><span class='hs-layout'>)</span>
<a name="line-203"></a>    <span class='hs-varid'>lexcpp</span> <span class='hs-keyword'>_</span>    <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span>          <span class='hs-conid'>[]</span>        <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-204"></a>
<a name="line-205"></a>    <span class='hs-comment'>-- rules to lex non-Haskell, non-cpp text</span>
<a name="line-206"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>SubMode</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Posn</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Posn</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-207"></a>            <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span>
<a name="line-208"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-chr'>'#'</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'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>  <span class='hs-comment'>-- emit "\n" $</span>
<a name="line-209"></a>                                          <span class='hs-varid'>cpp</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>plaintext</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-210"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'/'</span><span class='hs-conop'>:</span><span class='hs-chr'>'*'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-211"></a>                           <span class='hs-keyglyph'>|</span> <span class='hs-varid'>stripComments</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-212"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-conid'>CComment</span> <span class='hs-str'>"  "</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-213"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span>
<a name="line-214"></a>                                <span class='hs-keyglyph'>|</span> <span class='hs-varid'>stripEol</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-215"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-conid'>CLineComment</span> <span class='hs-str'>"  "</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-216"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>single</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>emit</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$</span>
<a name="line-217"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-218"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>space</span> <span class='hs-varid'>x</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-219"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>space</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-220"></a>                                                                        <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-221"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>ident0</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span>
<a name="line-222"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>ident1</span> <span class='hs-conid'>Ident</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-223"></a>                                                                        <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-224"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-225"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-varid'>pre</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>ws</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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>
<a name="line-226"></a>                                <span class='hs-keyglyph'>|</span> <span class='hs-varid'>pred</span> <span class='hs-varid'>x</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>plaintext</span> <span class='hs-varid'>pre</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-227"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-layout'>(</span><span class='hs-conid'>Pred</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>ws</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ws</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span>
<a name="line-228"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-229"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>CComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</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'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-layout'>(</span><span class='hs-str'>"  "</span><span class='hs-varop'>++</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-230"></a>                                             <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-231"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>CComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</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'>plaintext</span> <span class='hs-conid'>CComment</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-232"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>CLineComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span>
<a name="line-233"></a>                                        <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>plaintext</span> <span class='hs-conid'>Any</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-234"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-conid'>CLineComment</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</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'>plaintext</span> <span class='hs-conid'>CLineComment</span> <span class='hs-layout'>(</span><span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span>
<a name="line-235"></a>                                                                       <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-varid'>xs</span>
<a name="line-236"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>acc</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>p</span><span class='hs-layout'>,</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ls</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>plaintext</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>p</span> <span class='hs-varid'>ls</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span><span class='hs-conop'>:</span><span class='hs-varid'>l</span><span class='hs-layout'>)</span>
<a name="line-237"></a>  <span class='hs-varid'>plaintext</span> <span class='hs-keyword'>_</span>    <span class='hs-varid'>acc</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span>            <span class='hs-keyglyph'>=</span> <span class='hs-varid'>emit</span> <span class='hs-varid'>acc</span> <span class='hs-varop'>$</span> <span class='hs-conid'>[]</span>
<a name="line-238"></a>
<a name="line-239"></a>  <span class='hs-comment'>-- predicates for lexing Haskell.</span>
<a name="line-240"></a>  <span class='hs-varid'>ident0</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isAlpha</span> <span class='hs-varid'>x</span>    <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"_`"</span>
<a name="line-241"></a>  <span class='hs-varid'>ident1</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isAlphaNum</span> <span class='hs-varid'>x</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"'_`"</span>
<a name="line-242"></a>  <span class='hs-varid'>symbol</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>":!#$%&amp;*+./&lt;=&gt;?@\\^|-~"</span>
<a name="line-243"></a>  <span class='hs-varid'>single</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>"(),[];{}"</span>
<a name="line-244"></a>  <span class='hs-varid'>space</span>  <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-str'>" \t"</span>
<a name="line-245"></a>  <span class='hs-comment'>-- emit a token (if there is one) from the accumulator</span>
<a name="line-246"></a>  <span class='hs-varid'>emit</span> <span class='hs-str'>""</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>id</span>
<a name="line-247"></a>  <span class='hs-varid'>emit</span> <span class='hs-varid'>xs</span>  <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>Other</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span>
<a name="line-248"></a>  <span class='hs-comment'>-- add a reversed word to the accumulator</span>
<a name="line-249"></a>  <span class='hs-str'>""</span> <span class='hs-varop'>*/*</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>l</span>
<a name="line-250"></a>  <span class='hs-varid'>w</span> <span class='hs-varop'>*/*</span> <span class='hs-varid'>l</span>  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>w</span> <span class='hs-conop'>:</span> <span class='hs-varid'>l</span>
<a name="line-251"></a>  <span class='hs-comment'>-- help out broken Haskell compilers which need balanced numbers of C</span>
<a name="line-252"></a>  <span class='hs-comment'>-- comments in order to do import chasing :-)  -----&gt;   */*</span>
<a name="line-253"></a>
<a name="line-254"></a>
<a name="line-255"></a><a name="parseMacroCall"></a><span class='hs-comment'>-- | Parse a possible macro call, returning argument list and remaining input</span>
<a name="line-256"></a><span class='hs-definition'>parseMacroCall</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Posn</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>WordStyle</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-257"></a><span class='hs-definition'>parseMacroCall</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>call</span> <span class='hs-varop'>.</span> <span class='hs-varid'>skip</span>
<a name="line-258"></a>  <span class='hs-keyword'>where</span>
<a name="line-259"></a>    <span class='hs-varid'>skip</span> <span class='hs-layout'>(</span><span class='hs-conid'>Other</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'>all</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>skip</span> <span class='hs-varid'>xs</span>
<a name="line-260"></a>    <span class='hs-varid'>skip</span> <span class='hs-varid'>xss</span>                          <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xss</span>
<a name="line-261"></a>    <span class='hs-varid'>call</span> <span class='hs-layout'>(</span><span class='hs-conid'>Other</span> <span class='hs-str'>"("</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-layout'>(</span><span class='hs-varid'>args</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span> <span class='hs-varop'>.</span> <span class='hs-varid'>skip</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-262"></a>    <span class='hs-varid'>call</span> <span class='hs-keyword'>_</span>                <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-263"></a>    <span class='hs-varid'>args</span> <span class='hs-num'>0</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span>   <span class='hs-conid'>Other</span> <span class='hs-str'>")"</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-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>addone</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-264"></a>    <span class='hs-varid'>args</span> <span class='hs-num'>0</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span>   <span class='hs-conid'>Other</span> <span class='hs-str'>","</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'>args</span> <span class='hs-num'>0</span>     <span class='hs-conid'>[]</span>   <span class='hs-layout'>(</span><span class='hs-varid'>addone</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>skip</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-265"></a>    <span class='hs-varid'>args</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</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-conid'>Other</span> <span class='hs-str'>"("</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'>args</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</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'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span>         <span class='hs-varid'>acc</span>    <span class='hs-varid'>xs</span>
<a name="line-266"></a>    <span class='hs-varid'>args</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</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-conid'>Other</span> <span class='hs-str'>")"</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'>args</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-comment'>-</span><span class='hs-num'>1</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'>w</span><span class='hs-layout'>)</span>         <span class='hs-varid'>acc</span>    <span class='hs-varid'>xs</span>
<a name="line-267"></a>    <span class='hs-varid'>args</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span>   <span class='hs-conid'>Ident</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>v</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'>args</span> <span class='hs-varid'>n</span>     <span class='hs-layout'>(</span><span class='hs-conid'>Ident</span> <span class='hs-varid'>p</span> <span class='hs-varid'>v</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>acc</span>    <span class='hs-varid'>xs</span>
<a name="line-268"></a>    <span class='hs-varid'>args</span> <span class='hs-varid'>n</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</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-conid'>Other</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-varid'>args</span> <span class='hs-varid'>n</span>     <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span>         <span class='hs-varid'>acc</span>    <span class='hs-varid'>xs</span>
<a name="line-269"></a>    <span class='hs-varid'>args</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</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-270"></a>    <span class='hs-varid'>addone</span> <span class='hs-varid'>w</span> <span class='hs-varid'>acc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>skip</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span> <span class='hs-varid'>acc</span>
<a name="line-271"></a>
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