<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Language.Preprocessor.Cpphs</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
window.onload = function () {pageLoad();setSynopsis("mini_Language-Preprocessor-Cpphs.html");};
//]]>
</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Language-Preprocessor-Cpphs.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">cpphs-1.12: A liberalised re-implementation of cpp, the C pre-processor.</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Portability</th><td>All</td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Maintainer</th><td>Malcolm Wallace <Malcolm.Wallace@cs.york.ac.uk></td></tr></table><p class="caption">Language.Preprocessor.Cpphs</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Include the interface that is exported
</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><a href="#v:runCpphs">runCpphs</a> :: <a href="Language-Preprocessor-Cpphs.html#t:CpphsOptions">CpphsOptions</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></li><li class="src short"><a href="#v:cppIfdef">cppIfdef</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a> -> [(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)] -> [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>] -> <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> [(<a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</li><li class="src short"><a href="#v:macroPass">macroPass</a> :: [(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)] -> <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a> -> [(<a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)] -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></li><li class="src short"><span class="keyword">data</span> <a href="#t:CpphsOptions">CpphsOptions</a> = <a href="#v:CpphsOptions">CpphsOptions</a> {<ul class="subs"><li><a href="#v:infiles">infiles</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a>]</li><li><a href="#v:outfiles">outfiles</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a>]</li><li><a href="#v:defines">defines</a> :: [(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</li><li><a href="#v:includes">includes</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>]</li><li><a href="#v:preInclude">preInclude</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a>]</li><li><a href="#v:boolopts">boolopts</a> :: <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a></li></ul>}</li><li class="src short"><span class="keyword">data</span> <a href="#t:BoolOptions">BoolOptions</a> = <a href="#v:BoolOptions">BoolOptions</a> {<ul class="subs"><li><a href="#v:macros">macros</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:locations">locations</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:hashline">hashline</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:pragma">pragma</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:stripEol">stripEol</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:stripC89">stripC89</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:lang">lang</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:ansi">ansi</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:layout">layout</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:literate">literate</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li><li><a href="#v:warnings">warnings</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></li></ul>}</li><li class="src short"><a href="#v:parseOptions">parseOptions</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>] -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Either.html#t:Either">Either</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> <a href="Language-Preprocessor-Cpphs.html#t:CpphsOptions">CpphsOptions</a></li><li class="src short"><a href="#v:defaultCpphsOptions">defaultCpphsOptions</a> :: <a href="Language-Preprocessor-Cpphs.html#t:CpphsOptions">CpphsOptions</a></li><li class="src short"><a href="#v:defaultBoolOptions">defaultBoolOptions</a> :: <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a></li><li class="src short"><span class="keyword">data</span> <a href="#t:Posn">Posn</a> = <a href="#v:Pn">Pn</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> !<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> !<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a>)</li><li class="src short"><a href="#v:newfile">newfile</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></li><li class="src short"><a href="#v:addcol">addcol</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></li><li class="src short"><a href="#v:newline">newline</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></li><li class="src short"><a href="#v:tab">tab</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></li><li class="src short"><a href="#v:newlines">newlines</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></li><li class="src short"><a href="#v:newpos">newpos</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></li><li class="src short"><a href="#v:cppline">cppline</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></li><li class="src short"><a href="#v:haskline">haskline</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></li><li class="src short"><a href="#v:cpp2hask">cpp2hask</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></li><li class="src short"><a href="#v:filename">filename</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></li><li class="src short"><a href="#v:lineno">lineno</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a></li><li class="src short"><a href="#v:directory">directory</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a></li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><a name="v:runCpphs" class="def">runCpphs</a> :: <a href="Language-Preprocessor-Cpphs.html#t:CpphsOptions">CpphsOptions</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a><a href="src/Language-Preprocessor-Cpphs-RunCpphs.html#runCpphs" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:cppIfdef" class="def">cppIfdef</a><a href="src/Language-Preprocessor-Cpphs-CppIfdef.html#cppIfdef" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a></td><td class="doc"><p>File for error reports
</p></td></tr><tr><td class="src">-> [(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</td><td class="doc"><p>Pre-defined symbols and their values
</p></td></tr><tr><td class="src">-> [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>]</td><td class="doc"><p>Search path for #includes
</p></td></tr><tr><td class="src">-> <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a></td><td class="doc"><p>Options controlling output style
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></td><td class="doc"><p>The input file content
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> [(<a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</td><td class="doc"><p>The file after processing (in lines)
</p></td></tr></table></div><div class="doc"><p>Run a first pass of cpp, evaluating #ifdef's and processing #include's,
whilst taking account of #define's and #undef's as we encounter them.
</p></div></div><div class="top"><p class="src"><a name="v:macroPass" class="def">macroPass</a><a href="src/Language-Preprocessor-Cpphs-MacroPass.html#macroPass" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: [(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</td><td class="doc"><p>Pre-defined symbols and their values
</p></td></tr><tr><td class="src">-> <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a></td><td class="doc"><p>Options that alter processing style
</p></td></tr><tr><td class="src">-> [(<a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</td><td class="doc"><p>The input file content
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a></td><td class="doc"><p>The file after processing
</p></td></tr></table></div><div class="doc"><p>Walk through the document, replacing calls of macros with the expanded RHS.
</p></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:CpphsOptions" class="def">CpphsOptions</a> <a href="src/Language-Preprocessor-Cpphs-Options.html#CpphsOptions" class="link">Source</a></p><div class="doc"><p>Cpphs options structure.
</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:CpphsOptions" class="def">CpphsOptions</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div class="subs fields"><p class="caption">Fields</p><dl><dt class="src"><a name="v:infiles" class="def">infiles</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a>]</dt><dd class="doc empty"> </dd><dt class="src"><a name="v:outfiles" class="def">outfiles</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a>]</dt><dd class="doc empty"> </dd><dt class="src"><a name="v:defines" class="def">defines</a> :: [(<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>, <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>)]</dt><dd class="doc empty"> </dd><dt class="src"><a name="v:includes" class="def">includes</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>]</dt><dd class="doc empty"> </dd><dt class="src"><a name="v:preInclude" class="def">preInclude</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a>]</dt><dd class="doc"><p>Files to #include before anything else
</p></dd><dt class="src"><a name="v:boolopts" class="def">boolopts</a> :: <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a></dt><dd class="doc empty"> </dd></dl><div class="clear"></div></div></td></tr></table></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:BoolOptions" class="def">BoolOptions</a> <a href="src/Language-Preprocessor-Cpphs-Options.html#BoolOptions" class="link">Source</a></p><div class="doc"><p>Options representable as Booleans.
</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:BoolOptions" class="def">BoolOptions</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div class="subs fields"><p class="caption">Fields</p><dl><dt class="src"><a name="v:macros" class="def">macros</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Leave #define and #undef in output of ifdef?
</p></dd><dt class="src"><a name="v:locations" class="def">locations</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Place #line droppings in output?
</p></dd><dt class="src"><a name="v:hashline" class="def">hashline</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Write <a name="line or {-"></a> LINE #-} ?
</p></dd><dt class="src"><a name="v:pragma" class="def">pragma</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Keep #pragma in final output?
</p></dd><dt class="src"><a name="v:stripEol" class="def">stripEol</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Remove C eol (//) comments everywhere?
</p></dd><dt class="src"><a name="v:stripC89" class="def">stripC89</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Remove C inline (/**/) comments everywhere?
</p></dd><dt class="src"><a name="v:lang" class="def">lang</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Lex input as Haskell code?
</p></dd><dt class="src"><a name="v:ansi" class="def">ansi</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Permit stringise # and catenate ## operators?
</p></dd><dt class="src"><a name="v:layout" class="def">layout</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Retain newlines in macro expansions?
</p></dd><dt class="src"><a name="v:literate" class="def">literate</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Remove literate markup?
</p></dd><dt class="src"><a name="v:warnings" class="def">warnings</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Bool.html#t:Bool">Bool</a></dt><dd class="doc"><p>Issue warnings?
</p></dd></dl><div class="clear"></div></div></td></tr></table></div></div><div class="top"><p class="src"><a name="v:parseOptions" class="def">parseOptions</a> :: [<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a>] -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Either.html#t:Either">Either</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> <a href="Language-Preprocessor-Cpphs.html#t:CpphsOptions">CpphsOptions</a><a href="src/Language-Preprocessor-Cpphs-Options.html#parseOptions" class="link">Source</a></p><div class="doc"><p>Parse all command-line options.
</p></div></div><div class="top"><p class="src"><a name="v:defaultCpphsOptions" class="def">defaultCpphsOptions</a> :: <a href="Language-Preprocessor-Cpphs.html#t:CpphsOptions">CpphsOptions</a><a href="src/Language-Preprocessor-Cpphs-Options.html#defaultCpphsOptions" class="link">Source</a></p><div class="doc"><p>Default options.
</p></div></div><div class="top"><p class="src"><a name="v:defaultBoolOptions" class="def">defaultBoolOptions</a> :: <a href="Language-Preprocessor-Cpphs.html#t:BoolOptions">BoolOptions</a><a href="src/Language-Preprocessor-Cpphs-Options.html#defaultBoolOptions" class="link">Source</a></p><div class="doc"><p>Default settings of boolean options.
</p></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:Posn" class="def">Posn</a> <a href="src/Language-Preprocessor-Cpphs-Position.html#Posn" class="link">Source</a></p><div class="doc"><p>Source positions contain a filename, line, column, and an
inclusion point, which is itself another source position,
recursively.
</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:Pn" class="def">Pn</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> !<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> !<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a>)</td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:Posn" class="caption collapser" onclick="toggleSection('i:Posn')">Instances</p><div id="section.i:Posn" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Eq.html#t:Eq">Eq</a> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Text-Show.html#t:Show">Show</a> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:newfile" class="def">newfile</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a><a href="src/Language-Preprocessor-Cpphs-Position.html#newfile" class="link">Source</a></p><div class="doc"><p>Constructor. Argument is filename.
</p></div></div><div class="top"><p class="src"><a name="v:addcol" class="def">addcol</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a><a href="src/Language-Preprocessor-Cpphs-Position.html#addcol" class="link">Source</a></p><div class="doc"><p>Increment column number by given quantity.
</p></div></div><div class="top"><p class="src"><a name="v:newline" class="def">newline</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a><a href="src/Language-Preprocessor-Cpphs-Position.html#newline" class="link">Source</a></p><div class="doc"><p>Increment row number, reset column to 1.
</p></div></div><div class="top"><p class="src"><a name="v:tab" class="def">tab</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a><a href="src/Language-Preprocessor-Cpphs-Position.html#tab" class="link">Source</a></p><div class="doc"><p>Increment column number, tab stops are every 8 chars.
</p></div></div><div class="top"><p class="src"><a name="v:newlines" class="def">newlines</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a><a href="src/Language-Preprocessor-Cpphs-Position.html#newlines" class="link">Source</a></p><div class="doc"><p>Increment row number by given quantity.
</p></div></div><div class="top"><p class="src"><a name="v:newpos" class="def">newpos</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a><a href="src/Language-Preprocessor-Cpphs-Position.html#newpos" class="link">Source</a></p><div class="doc"><p>Update position with a new row, and possible filename.
</p></div></div><div class="top"><p class="src"><a name="v:cppline" class="def">cppline</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a><a href="src/Language-Preprocessor-Cpphs-Position.html#cppline" class="link">Source</a></p><div class="doc"><p>cpp-style printing of file position
</p></div></div><div class="top"><p class="src"><a name="v:haskline" class="def">haskline</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a><a href="src/Language-Preprocessor-Cpphs-Position.html#haskline" class="link">Source</a></p><div class="doc"><p>haskell-style printing of file position
</p></div></div><div class="top"><p class="src"><a name="v:cpp2hask" class="def">cpp2hask</a> :: <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a><a href="src/Language-Preprocessor-Cpphs-Position.html#cpp2hask" class="link">Source</a></p><div class="doc"><p>Conversion from a cpp-style <a href=".html#line"></a> to haskell-style pragma.
</p></div></div><div class="top"><p class="src"><a name="v:filename" class="def">filename</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Char.html#t:String">String</a><a href="src/Language-Preprocessor-Cpphs-Position.html#filename" class="link">Source</a></p><div class="doc"><p>Project the filename.
</p></div></div><div class="top"><p class="src"><a name="v:lineno" class="def">lineno</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a><a href="src/Language-Preprocessor-Cpphs-Position.html#lineno" class="link">Source</a></p><div class="doc"><p>Project the line number.
</p></div></div><div class="top"><p class="src"><a name="v:directory" class="def">directory</a> :: <a href="Language-Preprocessor-Cpphs.html#t:Posn">Posn</a> -> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:FilePath">FilePath</a><a href="src/Language-Preprocessor-Cpphs-Position.html#directory" class="link">Source</a></p><div class="doc"><p>Project the directory of the filename.
</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.9.2</p></div></body></html>
