<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Distribution/System.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>-- |</span> <a name="line-3"></a><span class='hs-comment'>-- Module : Distribution.System</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : Duncan Coutts 2007-2008</span> <a name="line-5"></a><span class='hs-comment'>--</span> <a name="line-6"></a><span class='hs-comment'>-- Maintainer : cabal-devel@haskell.org</span> <a name="line-7"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-8"></a><span class='hs-comment'>--</span> <a name="line-9"></a><span class='hs-comment'>-- Cabal often needs to do slightly different things on specific platforms. You</span> <a name="line-10"></a><span class='hs-comment'>-- probably know about the 'System.Info.os' however using that is very</span> <a name="line-11"></a><span class='hs-comment'>-- inconvenient because it is a string and different Haskell implementations</span> <a name="line-12"></a><span class='hs-comment'>-- do not agree on using the same strings for the same platforms! (In</span> <a name="line-13"></a><span class='hs-comment'>-- particular see the controversy over \"windows\" vs \"ming32\"). So to make it</span> <a name="line-14"></a><span class='hs-comment'>-- more consistent and easy to use we have an 'OS' enumeration.</span> <a name="line-15"></a><span class='hs-comment'>--</span> <a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>System</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-comment'>-- * Operating System</span> <a name="line-18"></a> <span class='hs-conid'>OS</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-varid'>buildOS</span><span class='hs-layout'>,</span> <a name="line-20"></a> <a name="line-21"></a> <span class='hs-comment'>-- * Machine Architecture</span> <a name="line-22"></a> <span class='hs-conid'>Arch</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-23"></a> <span class='hs-varid'>buildArch</span><span class='hs-layout'>,</span> <a name="line-24"></a> <a name="line-25"></a> <span class='hs-comment'>-- * Platform is a pair of arch and OS</span> <a name="line-26"></a> <span class='hs-conid'>Platform</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-27"></a> <span class='hs-varid'>buildPlatform</span><span class='hs-layout'>,</span> <a name="line-28"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-29"></a> <a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span> <span class='hs-layout'>(</span><span class='hs-varid'>os</span><span class='hs-layout'>,</span> <span class='hs-varid'>arch</span><span class='hs-layout'>)</span> <a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Char</span> <span class='hs-layout'>(</span><span class='hs-varid'>toLower</span><span class='hs-layout'>,</span> <span class='hs-varid'>isAlphaNum</span><span class='hs-layout'>)</span> <a name="line-32"></a> <a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <span class='hs-layout'>(</span><span class='hs-conid'>Text</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>display</span><span class='hs-layout'>)</span> <a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Compat</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadP</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Parse</span> <a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>PrettyPrint</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Disp</span> <a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>PrettyPrint</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'><></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-37"></a> <a name="line-38"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- | How strict to be when classifying strings into the 'OS' and 'Arch' enums.</span> <a name="line-39"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>--</span> <a name="line-40"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- The reason we have multiple ways to do the classification is because there</span> <a name="line-41"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- are two situations where we need to do it.</span> <a name="line-42"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>--</span> <a name="line-43"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- For parsing os and arch names in .cabal files we really want everyone to be</span> <a name="line-44"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- referring to the same or or arch by the same name. Variety is not a virtue</span> <a name="line-45"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- in this case. We don't mind about case though.</span> <a name="line-46"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>--</span> <a name="line-47"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- For the System.Info.os\/arch different Haskell implementations use different</span> <a name="line-48"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- names for the same or\/arch. Also they tend to distinguish versions of an</span> <a name="line-49"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- os\/arch which we just don't care about.</span> <a name="line-50"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>--</span> <a name="line-51"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- The 'Compat' classification allows us to recognise aliases that are already</span> <a name="line-52"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- in common use but it allows us to distinguish them from the canonical name</span> <a name="line-53"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>-- which enables us to warn about such deprecated aliases.</span> <a name="line-54"></a><a name="ClassificationStrictness"></a><span class='hs-comment'>--</span> <a name="line-55"></a><a name="ClassificationStrictness"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ClassificationStrictness</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Permissive</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Compat</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Strict</span> <a name="line-56"></a> <a name="line-57"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-58"></a><span class='hs-comment'>-- * Operating System</span> <a name="line-59"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-60"></a> <a name="line-61"></a><a name="OS"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>OS</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Linux</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Windows</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OSX</span> <a name="line-62"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>FreeBSD</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OpenBSD</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>NetBSD</span> <a name="line-63"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Solaris</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AIX</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>HPUX</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IRIX</span> <a name="line-64"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OtherOS</span> <span class='hs-conid'>String</span> <a name="line-65"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>)</span> <a name="line-66"></a> <a name="line-67"></a><a name="knownOSs"></a><span class='hs-definition'>knownOSs</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OS</span><span class='hs-keyglyph'>]</span> <a name="line-68"></a><span class='hs-definition'>knownOSs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Linux</span><span class='hs-layout'>,</span> <span class='hs-conid'>Windows</span><span class='hs-layout'>,</span> <span class='hs-conid'>OSX</span> <a name="line-69"></a> <span class='hs-layout'>,</span><span class='hs-conid'>FreeBSD</span><span class='hs-layout'>,</span> <span class='hs-conid'>OpenBSD</span><span class='hs-layout'>,</span> <span class='hs-conid'>NetBSD</span> <a name="line-70"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Solaris</span><span class='hs-layout'>,</span> <span class='hs-conid'>AIX</span><span class='hs-layout'>,</span> <span class='hs-conid'>HPUX</span><span class='hs-layout'>,</span> <span class='hs-conid'>IRIX</span><span class='hs-keyglyph'>]</span> <a name="line-71"></a> <a name="line-72"></a><a name="osAliases"></a><span class='hs-definition'>osAliases</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClassificationStrictness</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>OS</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <a name="line-73"></a><span class='hs-definition'>osAliases</span> <span class='hs-conid'>Permissive</span> <span class='hs-conid'>Windows</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"mingw32"</span><span class='hs-layout'>,</span> <span class='hs-str'>"cygwin32"</span><span class='hs-keyglyph'>]</span> <a name="line-74"></a><span class='hs-definition'>osAliases</span> <span class='hs-conid'>Compat</span> <span class='hs-conid'>Windows</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"mingw32"</span><span class='hs-layout'>,</span> <span class='hs-str'>"win32"</span><span class='hs-keyglyph'>]</span> <a name="line-75"></a><span class='hs-definition'>osAliases</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>OSX</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"darwin"</span><span class='hs-keyglyph'>]</span> <a name="line-76"></a><span class='hs-definition'>osAliases</span> <span class='hs-conid'>Permissive</span> <span class='hs-conid'>FreeBSD</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"kfreebsdgnu"</span><span class='hs-keyglyph'>]</span> <a name="line-77"></a><span class='hs-definition'>osAliases</span> <span class='hs-conid'>Permissive</span> <span class='hs-conid'>Solaris</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"solaris2"</span><span class='hs-keyglyph'>]</span> <a name="line-78"></a><span class='hs-definition'>osAliases</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-79"></a> <a name="line-80"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Text</span> <span class='hs-conid'>OS</span> <span class='hs-keyword'>where</span> <a name="line-81"></a> <span class='hs-varid'>disp</span> <span class='hs-layout'>(</span><span class='hs-conid'>OtherOS</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Disp</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varid'>name</span> <a name="line-82"></a> <span class='hs-varid'>disp</span> <span class='hs-varid'>other</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Disp</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-varid'>lowercase</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-83"></a> <a name="line-84"></a> <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>classifyOS</span> <span class='hs-conid'>Compat</span><span class='hs-layout'>)</span> <span class='hs-varid'>ident</span> <a name="line-85"></a> <a name="line-86"></a><a name="classifyOS"></a><span class='hs-definition'>classifyOS</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClassificationStrictness</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>OS</span> <a name="line-87"></a><span class='hs-definition'>classifyOS</span> <span class='hs-varid'>strictness</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <a name="line-88"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>lowercase</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>osMap</span> <span class='hs-keyword'>of</span> <a name="line-89"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>os</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>os</span> <a name="line-90"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>OtherOS</span> <span class='hs-varid'>s</span> <a name="line-91"></a> <span class='hs-keyword'>where</span> <a name="line-92"></a> <span class='hs-varid'>osMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <a name="line-93"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>os</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>knownOSs</span> <a name="line-94"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>display</span> <span class='hs-varid'>os</span> <span class='hs-conop'>:</span> <span class='hs-varid'>osAliases</span> <span class='hs-varid'>strictness</span> <span class='hs-varid'>os</span> <span class='hs-keyglyph'>]</span> <a name="line-95"></a> <a name="line-96"></a><a name="buildOS"></a><span class='hs-definition'>buildOS</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OS</span> <a name="line-97"></a><span class='hs-definition'>buildOS</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>classifyOS</span> <span class='hs-conid'>Permissive</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span><span class='hs-varop'>.</span><span class='hs-varid'>os</span> <a name="line-98"></a> <a name="line-99"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-100"></a><span class='hs-comment'>-- * Machine Architecture</span> <a name="line-101"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-102"></a> <a name="line-103"></a><a name="Arch"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Arch</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>I386</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>X86_64</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PPC</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PPC64</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Sparc</span> <a name="line-104"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Arm</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Mips</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SH</span> <a name="line-105"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IA64</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S390</span> <a name="line-106"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Alpha</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Hppa</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Rs6000</span> <a name="line-107"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>M68k</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Vax</span> <a name="line-108"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>OtherArch</span> <span class='hs-conid'>String</span> <a name="line-109"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>)</span> <a name="line-110"></a> <a name="line-111"></a><a name="knownArches"></a><span class='hs-definition'>knownArches</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Arch</span><span class='hs-keyglyph'>]</span> <a name="line-112"></a><span class='hs-definition'>knownArches</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>I386</span><span class='hs-layout'>,</span> <span class='hs-conid'>X86_64</span><span class='hs-layout'>,</span> <span class='hs-conid'>PPC</span><span class='hs-layout'>,</span> <span class='hs-conid'>PPC64</span><span class='hs-layout'>,</span> <span class='hs-conid'>Sparc</span> <a name="line-113"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Arm</span><span class='hs-layout'>,</span> <span class='hs-conid'>Mips</span><span class='hs-layout'>,</span> <span class='hs-conid'>SH</span> <a name="line-114"></a> <span class='hs-layout'>,</span><span class='hs-conid'>IA64</span><span class='hs-layout'>,</span> <span class='hs-conid'>S390</span> <a name="line-115"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Alpha</span><span class='hs-layout'>,</span> <span class='hs-conid'>Hppa</span><span class='hs-layout'>,</span> <span class='hs-conid'>Rs6000</span> <a name="line-116"></a> <span class='hs-layout'>,</span><span class='hs-conid'>M68k</span><span class='hs-layout'>,</span> <span class='hs-conid'>Vax</span><span class='hs-keyglyph'>]</span> <a name="line-117"></a> <a name="line-118"></a><a name="archAliases"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClassificationStrictness</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Arch</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <a name="line-119"></a><span class='hs-definition'>archAliases</span> <span class='hs-conid'>Strict</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-120"></a><span class='hs-definition'>archAliases</span> <span class='hs-conid'>Compat</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-121"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>PPC</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"powerpc"</span><span class='hs-keyglyph'>]</span> <a name="line-122"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>PPC64</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"powerpc64"</span><span class='hs-keyglyph'>]</span> <a name="line-123"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>Sparc</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"sparc64"</span><span class='hs-layout'>,</span> <span class='hs-str'>"sun4"</span><span class='hs-keyglyph'>]</span> <a name="line-124"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>Mips</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"mipsel"</span><span class='hs-layout'>,</span> <span class='hs-str'>"mipseb"</span><span class='hs-keyglyph'>]</span> <a name="line-125"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>Arm</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"armeb"</span><span class='hs-layout'>,</span> <span class='hs-str'>"armel"</span><span class='hs-keyglyph'>]</span> <a name="line-126"></a><span class='hs-definition'>archAliases</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span> <a name="line-127"></a> <a name="line-128"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Text</span> <span class='hs-conid'>Arch</span> <span class='hs-keyword'>where</span> <a name="line-129"></a> <span class='hs-varid'>disp</span> <span class='hs-layout'>(</span><span class='hs-conid'>OtherArch</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Disp</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-varid'>name</span> <a name="line-130"></a> <span class='hs-varid'>disp</span> <span class='hs-varid'>other</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Disp</span><span class='hs-varop'>.</span><span class='hs-varid'>text</span> <span class='hs-layout'>(</span><span class='hs-varid'>lowercase</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-131"></a> <a name="line-132"></a> <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>classifyArch</span> <span class='hs-conid'>Strict</span><span class='hs-layout'>)</span> <span class='hs-varid'>ident</span> <a name="line-133"></a> <a name="line-134"></a><a name="classifyArch"></a><span class='hs-definition'>classifyArch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ClassificationStrictness</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Arch</span> <a name="line-135"></a><span class='hs-definition'>classifyArch</span> <span class='hs-varid'>strictness</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <a name="line-136"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-layout'>(</span><span class='hs-varid'>lowercase</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>archMap</span> <span class='hs-keyword'>of</span> <a name="line-137"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>arch</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>arch</span> <a name="line-138"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>OtherArch</span> <span class='hs-varid'>s</span> <a name="line-139"></a> <span class='hs-keyword'>where</span> <a name="line-140"></a> <span class='hs-varid'>archMap</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span> <span class='hs-varid'>arch</span><span class='hs-layout'>)</span> <a name="line-141"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>arch</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>knownArches</span> <a name="line-142"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>name</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>display</span> <span class='hs-varid'>arch</span> <span class='hs-conop'>:</span> <span class='hs-varid'>archAliases</span> <span class='hs-varid'>strictness</span> <span class='hs-varid'>arch</span> <span class='hs-keyglyph'>]</span> <a name="line-143"></a> <a name="line-144"></a><a name="buildArch"></a><span class='hs-definition'>buildArch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Arch</span> <a name="line-145"></a><span class='hs-definition'>buildArch</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>classifyArch</span> <span class='hs-conid'>Permissive</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Info</span><span class='hs-varop'>.</span><span class='hs-varid'>arch</span> <a name="line-146"></a> <a name="line-147"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-148"></a><span class='hs-comment'>-- * Platform</span> <a name="line-149"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-150"></a> <a name="line-151"></a><a name="Platform"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Platform</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Platform</span> <span class='hs-conid'>Arch</span> <span class='hs-conid'>OS</span> <a name="line-152"></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'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>)</span> <a name="line-153"></a> <a name="line-154"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Text</span> <span class='hs-conid'>Platform</span> <span class='hs-keyword'>where</span> <a name="line-155"></a> <span class='hs-varid'>disp</span> <span class='hs-layout'>(</span><span class='hs-conid'>Platform</span> <span class='hs-varid'>arch</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>disp</span> <span class='hs-varid'>arch</span> <span class='hs-varop'><></span> <span class='hs-conid'>Disp</span><span class='hs-varop'>.</span><span class='hs-varid'>char</span> <span class='hs-chr'>'-'</span> <span class='hs-varop'><></span> <span class='hs-varid'>disp</span> <span class='hs-varid'>os</span> <a name="line-156"></a> <span class='hs-varid'>parse</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-157"></a> <span class='hs-varid'>arch</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parse</span> <a name="line-158"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Parse</span><span class='hs-varop'>.</span><span class='hs-varid'>char</span> <span class='hs-chr'>'-'</span> <a name="line-159"></a> <span class='hs-varid'>os</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parse</span> <a name="line-160"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Platform</span> <span class='hs-varid'>arch</span> <span class='hs-varid'>os</span><span class='hs-layout'>)</span> <a name="line-161"></a> <a name="line-162"></a><a name="buildPlatform"></a><span class='hs-definition'>buildPlatform</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Platform</span> <a name="line-163"></a><span class='hs-definition'>buildPlatform</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Platform</span> <span class='hs-varid'>buildArch</span> <span class='hs-varid'>buildOS</span> <a name="line-164"></a> <a name="line-165"></a><span class='hs-comment'>-- Utils:</span> <a name="line-166"></a> <a name="line-167"></a><a name="ident"></a><span class='hs-definition'>ident</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parse</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadP</span> <span class='hs-varid'>r</span> <span class='hs-conid'>String</span> <a name="line-168"></a><span class='hs-definition'>ident</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Parse</span><span class='hs-varop'>.</span><span class='hs-varid'>munch1</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span><span class='hs-varop'>.</span><span class='hs-varid'>isAlphaNum</span> <span class='hs-varid'>c</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'_'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'-'</span><span class='hs-layout'>)</span> <a name="line-169"></a> <span class='hs-comment'>--TODO: probably should disallow starting with a number</span> <a name="line-170"></a> <a name="line-171"></a><a name="lowercase"></a><span class='hs-definition'>lowercase</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-172"></a><span class='hs-definition'>lowercase</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-conid'>Char</span><span class='hs-varop'>.</span><span class='hs-varid'>toLower</span> </pre></body> </html>
