<?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/Simple/Build/Macros.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.Simple.Build.Macros</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : Simon Marlow 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'>-- Generate cabal_macros.h - CPP macros for package version testing</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>-- When using CPP you get</span> <a name="line-12"></a><span class='hs-comment'>--</span> <a name="line-13"></a><span class='hs-comment'>-- > VERSION_<package></span> <a name="line-14"></a><span class='hs-comment'>-- > MIN_VERSION_<package>(A,B,C)</span> <a name="line-15"></a><span class='hs-comment'>--</span> <a name="line-16"></a><span class='hs-comment'>-- for each /package/ in @build-depends@, which is true if the version of</span> <a name="line-17"></a><span class='hs-comment'>-- /package/ in use is @>= A.B.C@, using the normal ordering on version</span> <a name="line-18"></a><span class='hs-comment'>-- numbers.</span> <a name="line-19"></a><span class='hs-comment'>--</span> <a name="line-20"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Simple</span><span class='hs-varop'>.</span><span class='hs-conid'>Build</span><span class='hs-varop'>.</span><span class='hs-conid'>Macros</span> <span class='hs-layout'>(</span> <a name="line-21"></a> <span class='hs-varid'>generate</span> <a name="line-22"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-23"></a> <a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Package</span> <a name="line-25"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>PackageIdentifier</span><span class='hs-layout'>(</span><span class='hs-conid'>PackageIdentifier</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Version</span> <a name="line-27"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Version</span><span class='hs-layout'>(</span><span class='hs-varid'>versionBranch</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>PackageDescription</span> <a name="line-29"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>PackageDescription</span> <span class='hs-layout'>)</span> <a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Simple</span><span class='hs-varop'>.</span><span class='hs-conid'>LocalBuildInfo</span> <a name="line-31"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>LocalBuildInfo</span><span class='hs-layout'>,</span> <span class='hs-varid'>externalPackageDeps</span> <span class='hs-layout'>)</span> <a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Distribution</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span> <a name="line-33"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>display</span> <span class='hs-layout'>)</span> <a name="line-34"></a> <a name="line-35"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-36"></a><span class='hs-comment'>-- * Generate cabal_macros.h</span> <a name="line-37"></a><span class='hs-comment'>-- ------------------------------------------------------------</span> <a name="line-38"></a> <a name="line-39"></a><a name="generate"></a><span class='hs-definition'>generate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>PackageDescription</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>LocalBuildInfo</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <a name="line-40"></a><span class='hs-definition'>generate</span> <span class='hs-sel'>_pkg_descr</span> <span class='hs-varid'>lbi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>$</span> <a name="line-41"></a> <span class='hs-str'>"/* DO NOT EDIT: This file is automatically generated by Cabal */\n\n"</span> <span class='hs-conop'>:</span> <a name="line-42"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>concat</span> <a name="line-43"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"/* package "</span><span class='hs-layout'>,</span><span class='hs-varid'>display</span> <span class='hs-varid'>pkgid</span><span class='hs-layout'>,</span><span class='hs-str'>" */\n"</span> <a name="line-44"></a> <span class='hs-layout'>,</span><span class='hs-str'>"#define VERSION_"</span><span class='hs-layout'>,</span><span class='hs-varid'>pkgname</span><span class='hs-layout'>,</span><span class='hs-str'>" "</span><span class='hs-layout'>,</span><span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>display</span> <span class='hs-varid'>version</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-str'>"\n"</span> <a name="line-45"></a> <span class='hs-layout'>,</span><span class='hs-str'>"#define MIN_VERSION_"</span><span class='hs-layout'>,</span><span class='hs-varid'>pkgname</span><span class='hs-layout'>,</span><span class='hs-str'>"(major1,major2,minor) (\\\n"</span> <a name="line-46"></a> <span class='hs-layout'>,</span><span class='hs-str'>" (major1) < "</span><span class='hs-layout'>,</span><span class='hs-varid'>major1</span><span class='hs-layout'>,</span><span class='hs-str'>" || \\\n"</span> <a name="line-47"></a> <span class='hs-layout'>,</span><span class='hs-str'>" (major1) == "</span><span class='hs-layout'>,</span><span class='hs-varid'>major1</span><span class='hs-layout'>,</span><span class='hs-str'>" && (major2) < "</span><span class='hs-layout'>,</span><span class='hs-varid'>major2</span><span class='hs-layout'>,</span><span class='hs-str'>" || \\\n"</span> <a name="line-48"></a> <span class='hs-layout'>,</span><span class='hs-str'>" (major1) == "</span><span class='hs-layout'>,</span><span class='hs-varid'>major1</span><span class='hs-layout'>,</span><span class='hs-str'>" && (major2) == "</span><span class='hs-layout'>,</span><span class='hs-varid'>major2</span><span class='hs-layout'>,</span><span class='hs-str'>" && (minor) <= "</span><span class='hs-layout'>,</span><span class='hs-varid'>minor</span><span class='hs-layout'>,</span><span class='hs-str'>")"</span> <a name="line-49"></a> <span class='hs-layout'>,</span><span class='hs-str'>"\n\n"</span> <a name="line-50"></a> <span class='hs-keyglyph'>]</span> <a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>pkgid</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>PackageIdentifier</span> <span class='hs-varid'>name</span> <span class='hs-varid'>version</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>externalPackageDeps</span> <span class='hs-varid'>lbi</span> <a name="line-52"></a> <span class='hs-layout'>,</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>major1</span><span class='hs-conop'>:</span><span class='hs-varid'>major2</span><span class='hs-conop'>:</span><span class='hs-varid'>minor</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'>map</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>versionBranch</span> <span class='hs-varid'>version</span> <span class='hs-varop'>++</span> <span class='hs-varid'>repeat</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <a name="line-53"></a> <span class='hs-varid'>pkgname</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>fixchar</span> <span class='hs-layout'>(</span><span class='hs-varid'>display</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <a name="line-54"></a> <span class='hs-keyglyph'>]</span> <a name="line-55"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>fixchar</span> <span class='hs-chr'>'-'</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'_'</span> <a name="line-56"></a> <span class='hs-varid'>fixchar</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <a name="line-57"></a> </pre></body> </html>
