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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE PatternGuards, ScopedTypeVariables #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Test</span><span class='hs-layout'>(</span><span class='hs-varid'>test</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-4"></a>
<a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
<a name="line-6"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span>
<a name="line-7"></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-8"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span>
<a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Function</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>FilePath</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Cmd</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Settings</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Util</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Idea</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Apply</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>All</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Hint</span><span class='hs-varop'>.</span><span class='hs-conid'>All</span>
<a name="line-24"></a>
<a name="line-25"></a><a name="Result"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Result</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Result</span> <span class='hs-layout'>{</span><span class='hs-sel'>_failures</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-sel'>_total</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span><span class='hs-layout'>}</span>
<a name="line-26"></a><a name="pass"></a><span class='hs-definition'>pass</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Result</span> <span class='hs-num'>0</span> <span class='hs-num'>1</span>
<a name="line-27"></a><a name="failure"></a><span class='hs-definition'>failure</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Result</span> <span class='hs-num'>1</span> <span class='hs-num'>1</span>
<a name="line-28"></a><a name="result"></a><span class='hs-definition'>result</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>pass</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>failure</span>
<a name="line-29"></a><a name="results"></a><span class='hs-definition'>results</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>mconcat</span>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monoid</span> <span class='hs-conid'>Result</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a> <span class='hs-varid'>mempty</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Result</span> <span class='hs-num'>0</span> <span class='hs-num'>0</span>
<a name="line-33"></a> <span class='hs-varid'>mappend</span> <span class='hs-layout'>(</span><span class='hs-conid'>Result</span> <span class='hs-varid'>f1</span> <span class='hs-varid'>t1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Result</span> <span class='hs-varid'>f2</span> <span class='hs-varid'>t2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Result</span> <span class='hs-layout'>(</span><span class='hs-varid'>f1</span><span class='hs-varop'>+</span><span class='hs-varid'>f2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>t1</span><span class='hs-varop'>+</span><span class='hs-varid'>t2</span><span class='hs-layout'>)</span>
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<a name="line-35"></a><a name="progress"></a><span class='hs-definition'>progress</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>putChar</span> <span class='hs-chr'>'.'</span>
<a name="line-36"></a><a name="failed"></a><span class='hs-definition'>failed</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-varop'>$</span> <span class='hs-str'>""</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
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<a name="line-39"></a><a name="test"></a><span class='hs-definition'>test</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Int</span>
<a name="line-40"></a><span class='hs-definition'>test</span> <span class='hs-varid'>main</span> <span class='hs-varid'>dataDir</span> <span class='hs-varid'>files</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-41"></a> <span class='hs-conid'>Result</span> <span class='hs-varid'>failures</span> <span class='hs-varid'>total</span> <span class='hs-keyglyph'><-</span>
<a name="line-42"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>files</span> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-43"></a> <span class='hs-varid'>src</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>doesFileExist</span> <span class='hs-str'>"hlint.cabal"</span>
<a name="line-44"></a> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>results</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sequence</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>src</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>id</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>take</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-45"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>testHintFiles</span> <span class='hs-varid'>dataDir</span><span class='hs-layout'>,</span> <span class='hs-varid'>testSourceFiles</span><span class='hs-layout'>,</span> <span class='hs-varid'>testInputOutput</span> <span class='hs-varid'>main</span><span class='hs-keyglyph'>]</span>
<a name="line-46"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>""</span>
<a name="line-47"></a> <span class='hs-varid'>unless</span> <span class='hs-varid'>src</span> <span class='hs-varop'>$</span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Warning, couldn't find source code, so non-hint tests skipped"</span>
<a name="line-48"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>res</span>
<a name="line-49"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-50"></a> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>results</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>testHintFile</span> <span class='hs-varid'>dataDir</span><span class='hs-layout'>)</span> <span class='hs-varid'>files</span>
<a name="line-51"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>""</span>
<a name="line-52"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>res</span>
<a name="line-53"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>failures</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span>
<a name="line-54"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Tests passed ("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>total</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-55"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Tests failed ("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>failures</span> <span class='hs-varop'>++</span> <span class='hs-str'>" of "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>total</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-56"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>failures</span>
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<a name="line-59"></a><a name="testHintFiles"></a><span class='hs-definition'>testHintFiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-60"></a><span class='hs-definition'>testHintFiles</span> <span class='hs-varid'>dataDir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-61"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-varid'>dataDir</span>
<a name="line-62"></a> <span class='hs-varid'>results</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>testHintFile</span> <span class='hs-varid'>dataDir</span><span class='hs-layout'>)</span>
<a name="line-63"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>dataDir</span> <span class='hs-varop'></></span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xs</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeExtension</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-str'>".hs"</span><span class='hs-layout'>,</span> <span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-str'>"HLint"</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>takeBaseName</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
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<a name="line-65"></a>
<a name="line-66"></a><a name="testHintFile"></a><span class='hs-definition'>testHintFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-67"></a><span class='hs-definition'>testHintFile</span> <span class='hs-varid'>dataDir</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-68"></a> <span class='hs-varid'>hints</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSettings</span> <span class='hs-varid'>dataDir</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>file</span><span class='hs-keyglyph'>]</span>
<a name="line-69"></a> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>results</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sequence</span> <span class='hs-varop'>$</span> <span class='hs-varid'>nameCheckHints</span> <span class='hs-varid'>hints</span> <span class='hs-conop'>:</span> <span class='hs-varid'>checkAnnotations</span> <span class='hs-varid'>hints</span> <span class='hs-varid'>file</span> <span class='hs-conop'>:</span>
<a name="line-70"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>typeCheckHints</span> <span class='hs-varid'>hints</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>takeFileName</span> <span class='hs-varid'>file</span> <span class='hs-varop'>/=</span> <span class='hs-str'>"Test.hs"</span><span class='hs-keyglyph'>]</span>
<a name="line-71"></a> <span class='hs-varid'>progress</span>
<a name="line-72"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>res</span>
<a name="line-73"></a>
<a name="line-74"></a>
<a name="line-75"></a><a name="testSourceFiles"></a><span class='hs-definition'>testSourceFiles</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-76"></a><span class='hs-definition'>testSourceFiles</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>mconcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sequence</span>
<a name="line-77"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>checkAnnotations</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Builtin</span> <span class='hs-varid'>name</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-str'>"src/Hint"</span> <span class='hs-varop'></></span> <span class='hs-varid'>name</span> <span class='hs-varop'><.></span> <span class='hs-str'>"hs"</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>staticHints</span><span class='hs-keyglyph'>]</span>
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<a name="line-80"></a><a name="testInputOutput"></a><span class='hs-definition'>testInputOutput</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-81"></a><span class='hs-definition'>testInputOutput</span> <span class='hs-varid'>main</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-82"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getDirectoryContents</span> <span class='hs-str'>"tests"</span>
<a name="line-83"></a> <span class='hs-varid'>results</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>checkInputOutput</span> <span class='hs-varid'>main</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>groupBy</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varop'>`on`</span> <span class='hs-varid'>takeBaseName</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sort</span> <span class='hs-varop'>$</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>isPrefixOf</span> <span class='hs-str'>"."</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-84"></a>
<a name="line-85"></a>
<a name="line-86"></a><span class='hs-comment'>---------------------------------------------------------------------</span>
<a name="line-87"></a><span class='hs-comment'>-- VARIOUS SMALL TESTS</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="nameCheckHints"></a><span class='hs-definition'>nameCheckHints</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Setting</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-90"></a><span class='hs-definition'>nameCheckHints</span> <span class='hs-varid'>hints</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-91"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>bad</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>failed</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"No name for the hint "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>prettyPrint</span> <span class='hs-layout'>(</span><span class='hs-varid'>lhs</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>@</span><span class='hs-conid'>MatchExp</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hints</span><span class='hs-layout'>,</span> <span class='hs-varid'>hintS</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-varid'>defaultHintName</span><span class='hs-keyglyph'>]</span>
<a name="line-92"></a> <span class='hs-varid'>sequence_</span> <span class='hs-varid'>bad</span>
<a name="line-93"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Result</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>bad</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span>
<a name="line-94"></a>
<a name="line-95"></a>
<a name="line-96"></a><a name="typeCheckHints"></a><span class='hs-comment'>-- | Given a set of hints, do all the MatchExp hints type check</span>
<a name="line-97"></a><span class='hs-definition'>typeCheckHints</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Setting</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-98"></a><span class='hs-definition'>typeCheckHints</span> <span class='hs-varid'>hints</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracket</span>
<a name="line-99"></a> <span class='hs-layout'>(</span><span class='hs-varid'>openTempFile</span> <span class='hs-str'>"."</span> <span class='hs-str'>"hlinttmp.hs"</span><span class='hs-layout'>)</span>
<a name="line-100"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>file</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>removeFile</span> <span class='hs-varid'>file</span><span class='hs-layout'>)</span>
<a name="line-101"></a> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>file</span><span class='hs-layout'>,</span><span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-102"></a> <span class='hs-varid'>hPutStrLn</span> <span class='hs-varid'>h</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-varid'>contents</span>
<a name="line-103"></a> <span class='hs-varid'>hClose</span> <span class='hs-varid'>h</span>
<a name="line-104"></a> <span class='hs-varid'>res</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>system</span> <span class='hs-varop'>$</span> <span class='hs-str'>"runhaskell "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>file</span>
<a name="line-105"></a> <span class='hs-varid'>progress</span>
<a name="line-106"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>result</span> <span class='hs-varop'>$</span> <span class='hs-varid'>res</span> <span class='hs-varop'>==</span> <span class='hs-conid'>ExitSuccess</span>
<a name="line-107"></a> <span class='hs-keyword'>where</span>
<a name="line-108"></a> <span class='hs-varid'>matches</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-varid'>isMatchExp</span> <span class='hs-varid'>hints</span>
<a name="line-109"></a>
<a name="line-110"></a> <span class='hs-varid'>contents</span> <span class='hs-keyglyph'>=</span>
<a name="line-111"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"{-# LANGUAGE NoMonomorphismRestriction, ExtendedDefaultRules #-}"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-112"></a> <span class='hs-varid'>concat</span> <span class='hs-layout'>(</span><span class='hs-varid'>take</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>map</span> <span class='hs-varid'>prettyPrint</span> <span class='hs-varop'>$</span> <span class='hs-varid'>scopeImports</span> <span class='hs-varop'>$</span> <span class='hs-varid'>scope</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>matches</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-113"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"main = return ()"</span>
<a name="line-114"></a> <span class='hs-layout'>,</span><span class='hs-str'>"(==>) :: a -> a -> a; (==>) = undefined"</span>
<a name="line-115"></a> <span class='hs-layout'>,</span><span class='hs-str'>"_noParen_ = id"</span>
<a name="line-116"></a> <span class='hs-layout'>,</span><span class='hs-str'>"_eval_ = id"</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-117"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"{-# LINE "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>startLine</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ann</span> <span class='hs-varid'>rhs</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>fileName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ann</span> <span class='hs-varid'>rhs</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" #-}\n"</span> <span class='hs-varop'>++</span>
<a name="line-118"></a> <span class='hs-varid'>prettyPrint</span> <span class='hs-layout'>(</span><span class='hs-conid'>PatBind</span> <span class='hs-varid'>an</span> <span class='hs-layout'>(</span><span class='hs-varid'>toNamed</span> <span class='hs-varop'>$</span> <span class='hs-str'>"test"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>bod</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-119"></a> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-conid'>MatchExp</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>lhs</span> <span class='hs-varid'>rhs</span> <span class='hs-varid'>side</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varid'>matches</span><span class='hs-layout'>,</span> <span class='hs-str'>"notTypeSafe"</span> <span class='hs-varop'>`notElem`</span> <span class='hs-varid'>vars</span> <span class='hs-varid'>side</span>
<a name="line-120"></a> <span class='hs-layout'>,</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>vs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>toNamed</span> <span class='hs-varop'>$</span> <span class='hs-varid'>nub</span> <span class='hs-varop'>$</span> <span class='hs-varid'>filter</span> <span class='hs-varid'>isUnifyVar</span> <span class='hs-varop'>$</span> <span class='hs-varid'>vars</span> <span class='hs-varid'>lhs</span> <span class='hs-varop'>++</span> <span class='hs-varid'>vars</span> <span class='hs-varid'>rhs</span>
<a name="line-121"></a> <span class='hs-layout'>,</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>inner</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>InfixApp</span> <span class='hs-varid'>an</span> <span class='hs-layout'>(</span><span class='hs-conid'>Paren</span> <span class='hs-varid'>an</span> <span class='hs-varid'>lhs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>toNamed</span> <span class='hs-str'>"==>"</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>Paren</span> <span class='hs-varid'>an</span> <span class='hs-varid'>rhs</span><span class='hs-layout'>)</span>
<a name="line-122"></a> <span class='hs-layout'>,</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>bod</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UnGuardedRhs</span> <span class='hs-varid'>an</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>vs</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>inner</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>Lambda</span> <span class='hs-varid'>an</span> <span class='hs-varid'>vs</span> <span class='hs-varid'>inner</span><span class='hs-keyglyph'>]</span>
<a name="line-123"></a>
<a name="line-124"></a>
<a name="line-125"></a><span class='hs-comment'>---------------------------------------------------------------------</span>
<a name="line-126"></a><span class='hs-comment'>-- CHECK ANNOTATIONS</span>
<a name="line-127"></a>
<a name="line-128"></a><a name="Test"></a><span class='hs-comment'>-- Input, Output</span>
<a name="line-129"></a><a name="Test"></a><span class='hs-comment'>-- Output = Nothing, should not match</span>
<a name="line-130"></a><a name="Test"></a><span class='hs-comment'>-- Output = Just xs, should match xs</span>
<a name="line-131"></a><a name="Test"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Test</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Test</span> <span class='hs-conid'>SrcLoc</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>String</span><span class='hs-layout'>)</span>
<a name="line-132"></a>
<a name="line-133"></a><a name="checkAnnotations"></a><span class='hs-definition'>checkAnnotations</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Setting</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-134"></a><span class='hs-definition'>checkAnnotations</span> <span class='hs-varid'>setting</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-135"></a> <span class='hs-varid'>tests</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>parseTestFile</span> <span class='hs-varid'>file</span>
<a name="line-136"></a> <span class='hs-varid'>failures</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>concatMapM</span> <span class='hs-varid'>f</span> <span class='hs-varid'>tests</span>
<a name="line-137"></a> <span class='hs-varid'>sequence_</span> <span class='hs-varid'>failures</span>
<a name="line-138"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Result</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>failures</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>tests</span><span class='hs-layout'>)</span>
<a name="line-139"></a> <span class='hs-keyword'>where</span>
<a name="line-140"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>Test</span> <span class='hs-varid'>loc</span> <span class='hs-varid'>inp</span> <span class='hs-varid'>out</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-141"></a> <span class='hs-varid'>ideas</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>applyHintStr</span> <span class='hs-varid'>parseFlags</span> <span class='hs-varid'>setting</span> <span class='hs-varid'>file</span> <span class='hs-varid'>inp</span>
<a name="line-142"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>good</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>out</span> <span class='hs-keyword'>of</span>
<a name="line-143"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>null</span> <span class='hs-varid'>ideas</span>
<a name="line-144"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>length</span> <span class='hs-varid'>ideas</span> <span class='hs-varop'>==</span> <span class='hs-num'>1</span> <span class='hs-varop'>&&</span>
<a name="line-145"></a> <span class='hs-varid'>length</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>ideas</span><span class='hs-layout'>)</span> <span class='hs-varop'>>=</span> <span class='hs-num'>0</span> <span class='hs-varop'>&&</span> <span class='hs-comment'>-- force, mainly for hpc</span>
<a name="line-146"></a> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isParseError</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>ideas</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span>
<a name="line-147"></a> <span class='hs-varid'>match</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span> <span class='hs-varid'>ideas</span><span class='hs-layout'>)</span>
<a name="line-148"></a> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>failed</span> <span class='hs-varop'>$</span>
<a name="line-149"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"TEST FAILURE ("</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>ideas</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>" hints generated)"</span>
<a name="line-150"></a> <span class='hs-layout'>,</span><span class='hs-str'>"SRC: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showSrcLoc</span> <span class='hs-varid'>loc</span>
<a name="line-151"></a> <span class='hs-layout'>,</span><span class='hs-str'>"INPUT: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>inp</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-152"></a> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>++</span><span class='hs-layout'>)</span> <span class='hs-str'>"OUTPUT: "</span> <span class='hs-varop'>.</span> <span class='hs-varid'>show</span><span class='hs-layout'>)</span> <span class='hs-varid'>ideas</span> <span class='hs-varop'>++</span>
<a name="line-153"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"WANTED: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-str'>"<failure>"</span> <span class='hs-varid'>out</span><span class='hs-keyglyph'>]</span>
<a name="line-154"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>not</span> <span class='hs-varid'>good</span><span class='hs-keyglyph'>]</span>
<a name="line-155"></a>
<a name="line-156"></a> <span class='hs-varid'>match</span> <span class='hs-str'>"???"</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-157"></a> <span class='hs-varid'>match</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>|</span> <span class='hs-str'>"@"</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>a</span> <span class='hs-varop'>==</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>severity</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>match</span> <span class='hs-layout'>(</span><span class='hs-varid'>ltrim</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>y</span>
<a name="line-158"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-varid'>isSpace</span> <span class='hs-varop'>$</span> <span class='hs-varid'>tail</span> <span class='hs-varid'>x</span>
<a name="line-159"></a> <span class='hs-varid'>match</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>on</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varid'>norm</span> <span class='hs-layout'>(</span><span class='hs-varid'>to</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span>
<a name="line-160"></a>
<a name="line-161"></a> <span class='hs-comment'>-- FIXME: Should use a better check for expected results</span>
<a name="line-162"></a> <span class='hs-varid'>norm</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isSpace</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>x</span> <span class='hs-varop'>/=</span> <span class='hs-chr'>';'</span>
<a name="line-163"></a>
<a name="line-164"></a>
<a name="line-165"></a><a name="parseTestFile"></a><span class='hs-definition'>parseTestFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Test</span><span class='hs-keyglyph'>]</span>
<a name="line-166"></a><span class='hs-definition'>parseTestFile</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-167"></a> <span class='hs-varid'>src</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readFile</span> <span class='hs-varid'>file</span>
<a name="line-168"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>f</span> <span class='hs-conid'>False</span> <span class='hs-varop'>$</span> <span class='hs-varid'>zip</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lines</span> <span class='hs-varid'>src</span>
<a name="line-169"></a> <span class='hs-keyword'>where</span>
<a name="line-170"></a> <span class='hs-varid'>open</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isPrefixOf</span> <span class='hs-str'>"<TEST>"</span>
<a name="line-171"></a> <span class='hs-varid'>shut</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isPrefixOf</span> <span class='hs-str'>"</TEST>"</span>
<a name="line-172"></a>
<a name="line-173"></a> <span class='hs-varid'>f</span> <span class='hs-conid'>False</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>open</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-174"></a> <span class='hs-varid'>f</span> <span class='hs-conid'>True</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-175"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>shut</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-conid'>False</span> <span class='hs-varid'>xs</span>
<a name="line-176"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>null</span> <span class='hs-varid'>x</span> <span class='hs-varop'>||</span> <span class='hs-str'>"--"</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-conid'>True</span> <span class='hs-varid'>xs</span>
<a name="line-177"></a> <span class='hs-keyglyph'>|</span> <span class='hs-str'>"\\"</span> <span class='hs-varop'>`isSuffixOf`</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-conid'>True</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>init</span> <span class='hs-varid'>x</span><span class='hs-varop'>++</span><span class='hs-str'>"\n"</span><span class='hs-varop'>++</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span>
<a name="line-178"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseTest</span> <span class='hs-varid'>file</span> <span class='hs-varid'>i</span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>f</span> <span class='hs-conid'>True</span> <span class='hs-varid'>xs</span>
<a name="line-179"></a> <span class='hs-varid'>f</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-180"></a>
<a name="line-181"></a>
<a name="line-182"></a><a name="parseTest"></a><span class='hs-definition'>parseTest</span> <span class='hs-varid'>file</span> <span class='hs-varid'>i</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Test</span> <span class='hs-layout'>(</span><span class='hs-conid'>SrcLoc</span> <span class='hs-varid'>file</span> <span class='hs-varid'>i</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span> <span class='hs-varop'>$</span>
<a name="line-183"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span> <span class='hs-str'>"--"</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>words</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-184"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span>
<a name="line-185"></a> <span class='hs-keyword'>_</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unwords</span> <span class='hs-varid'>xs</span>
<a name="line-186"></a>
<a name="line-187"></a>
<a name="line-188"></a><span class='hs-comment'>---------------------------------------------------------------------</span>
<a name="line-189"></a><span class='hs-comment'>-- CHECK INPUT/OUTPUT PAIRS</span>
<a name="line-190"></a>
<a name="line-191"></a><a name="checkInputOutput"></a><span class='hs-definition'>checkInputOutput</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Result</span>
<a name="line-192"></a><span class='hs-definition'>checkInputOutput</span> <span class='hs-varid'>main</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-193"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>pre</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeBaseName</span> <span class='hs-varop'>$</span> <span class='hs-varid'>head</span> <span class='hs-varid'>xs</span>
<a name="line-194"></a> <span class='hs-varid'>has</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>pre</span> <span class='hs-varop'><.></span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>xs</span>
<a name="line-195"></a> <span class='hs-varid'>reader</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readFile'</span> <span class='hs-varop'>$</span> <span class='hs-str'>"tests"</span> <span class='hs-varop'></></span> <span class='hs-varid'>pre</span> <span class='hs-varop'><.></span> <span class='hs-varid'>x</span>
<a name="line-196"></a>
<a name="line-197"></a> <span class='hs-varid'>flags</span> <span class='hs-keyglyph'><-</span>
<a name="line-198"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>has</span> <span class='hs-str'>"flags"</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>lines</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reader</span> <span class='hs-str'>"flags"</span>
<a name="line-199"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>has</span> <span class='hs-str'>"hs"</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"tests/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>pre</span> <span class='hs-varop'><.></span> <span class='hs-str'>"hs"</span><span class='hs-keyglyph'>]</span>
<a name="line-200"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>has</span> <span class='hs-str'>"lhs"</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"tests/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>pre</span> <span class='hs-varop'><.></span> <span class='hs-str'>"lhs"</span><span class='hs-keyglyph'>]</span>
<a name="line-201"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>error</span> <span class='hs-str'>"checkInputOutput, couldn't find or figure out flags"</span>
<a name="line-202"></a>
<a name="line-203"></a> <span class='hs-varid'>got</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>captureOutput</span> <span class='hs-varop'>$</span>
<a name="line-204"></a> <span class='hs-varid'>handle</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>SomeException</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>print</span> <span class='hs-varop'>$</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-205"></a> <span class='hs-varid'>handle</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>e</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>ExitCode</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-206"></a> <span class='hs-varid'>main</span> <span class='hs-varid'>flags</span>
<a name="line-207"></a> <span class='hs-varid'>want</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>reader</span> <span class='hs-str'>"output"</span>
<a name="line-208"></a>
<a name="line-209"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>got</span> <span class='hs-keyword'>of</span>
<a name="line-210"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>putStrLn</span> <span class='hs-str'>"Warning: failed to capture output (GHC too old?)"</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>pass</span>
<a name="line-211"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>got</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>got</span> <span class='hs-varop'>==</span> <span class='hs-varid'>want</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>pass</span>
<a name="line-212"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-213"></a> <span class='hs-layout'>(</span><span class='hs-varid'>got</span><span class='hs-layout'>,</span><span class='hs-varid'>want</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>lines</span> <span class='hs-varid'>got</span><span class='hs-layout'>,</span> <span class='hs-varid'>lines</span> <span class='hs-varid'>want</span><span class='hs-layout'>)</span>
<a name="line-214"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>trail</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>max</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>got</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>want</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-str'>"<EOF>"</span>
<a name="line-215"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>g</span><span class='hs-layout'>,</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>g</span><span class='hs-layout'>,</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span><span class='hs-varid'>g</span><span class='hs-layout'>,</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>zip3</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-varid'>got</span><span class='hs-varop'>++</span><span class='hs-varid'>trail</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>want</span><span class='hs-varop'>++</span><span class='hs-varid'>trail</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>g</span> <span class='hs-varop'>/=</span> <span class='hs-varid'>w</span><span class='hs-keyglyph'>]</span>
<a name="line-216"></a> <span class='hs-varid'>putStrLn</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span>
<a name="line-217"></a> <span class='hs-keyglyph'>[</span><span class='hs-str'>"TEST FAILURE IN tests/"</span> <span class='hs-varop'>++</span> <span class='hs-varid'>pre</span>
<a name="line-218"></a> <span class='hs-layout'>,</span><span class='hs-str'>"DIFFER ON LINE: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>i</span>
<a name="line-219"></a> <span class='hs-layout'>,</span><span class='hs-str'>"GOT : "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>g</span>
<a name="line-220"></a> <span class='hs-layout'>,</span><span class='hs-str'>"WANT: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>w</span><span class='hs-keyglyph'>]</span>
<a name="line-221"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>failure</span>
</pre></body>
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