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<pre><a name="line-1"></a>
<a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>All</span><span class='hs-layout'>(</span>
<a name="line-3"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span><span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Evaluate</span><span class='hs-layout'>,</span>
<a name="line-4"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Bracket</span><span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Match</span><span class='hs-layout'>,</span>
<a name="line-5"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Type</span><span class='hs-layout'>,</span>
<a name="line-6"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>NameMatch</span><span class='hs-layout'>,</span>
<a name="line-7"></a> <span class='hs-conid'>ParseFlags</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'>parseFlags</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseFlagsNoLocations</span><span class='hs-layout'>,</span>
<a name="line-8"></a> <span class='hs-varid'>parseFile</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseString</span><span class='hs-layout'>,</span> <span class='hs-varid'>parseResult</span>
<a name="line-9"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-10"></a>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Util</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>CmdLine</span>
<a name="line-13"></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-14"></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-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Evaluate</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Type</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Bracket</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>Match</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>HSE</span><span class='hs-varop'>.</span><span class='hs-conid'>NameMatch</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Language</span><span class='hs-varop'>.</span><span class='hs-conid'>Preprocessor</span><span class='hs-varop'>.</span><span class='hs-conid'>Cpphs</span>
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<a name="line-24"></a><a name="ParseFlags"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ParseFlags</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFlags</span>
<a name="line-25"></a> <span class='hs-layout'>{</span><span class='hs-varid'>cppFlags</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CppFlags</span>
<a name="line-26"></a> <span class='hs-layout'>,</span><span class='hs-varid'>language</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Extension</span><span class='hs-keyglyph'>]</span>
<a name="line-27"></a> <span class='hs-layout'>,</span><span class='hs-varid'>encoding</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Encoding</span>
<a name="line-28"></a> <span class='hs-layout'>,</span><span class='hs-varid'>infixes</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Fixity</span><span class='hs-keyglyph'>]</span>
<a name="line-29"></a> <span class='hs-layout'>}</span>
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<a name="line-31"></a><a name="parseFlags"></a><span class='hs-definition'>parseFlags</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParseFlags</span>
<a name="line-32"></a><span class='hs-definition'>parseFlags</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ParseFlags</span> <span class='hs-conid'>NoCpp</span> <span class='hs-varid'>defaultExtensions</span> <span class='hs-varid'>defaultEncoding</span> <span class='hs-conid'>[]</span>
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<a name="line-34"></a><a name="parseFlagsNoLocations"></a><span class='hs-definition'>parseFlagsNoLocations</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParseFlags</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ParseFlags</span>
<a name="line-35"></a><span class='hs-definition'>parseFlagsNoLocations</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span><span class='hs-layout'>{</span><span class='hs-varid'>cppFlags</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>cppFlags</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <span class='hs-conid'>Cpphs</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Cpphs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>f</span> <span class='hs-varid'>y</span><span class='hs-layout'>;</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>y</span><span class='hs-layout'>}</span>
<a name="line-36"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span><span class='hs-layout'>{</span><span class='hs-varid'>boolopts</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>boolopts</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span><span class='hs-layout'>{</span><span class='hs-varid'>locations</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>False</span><span class='hs-layout'>}</span><span class='hs-layout'>}</span>
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<a name="line-39"></a><a name="runCpp"></a><span class='hs-definition'>runCpp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CppFlags</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>String</span>
<a name="line-40"></a><span class='hs-definition'>runCpp</span> <span class='hs-conid'>NoCpp</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span>
<a name="line-41"></a><span class='hs-definition'>runCpp</span> <span class='hs-conid'>CppSimple</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>unlines</span> <span class='hs-keyglyph'>[</span><span class='hs-keyword'>if</span> <span class='hs-str'>"#"</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>ltrim</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span> <span class='hs-keyword'>else</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'>lines</span> <span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-42"></a><span class='hs-definition'>runCpp</span> <span class='hs-layout'>(</span><span class='hs-conid'>Cpphs</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-varid'>file</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>runCpphs</span> <span class='hs-varid'>o</span> <span class='hs-varid'>file</span> <span class='hs-varid'>x</span>
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<a name="line-45"></a><a name="parseString"></a><span class='hs-comment'>-- | Parse a Haskell module</span>
<a name="line-46"></a><span class='hs-definition'>parseString</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParseFlags</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>FilePath</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>ParseResult</span> <span class='hs-conid'>Module_</span><span class='hs-layout'>)</span>
<a name="line-47"></a><span class='hs-definition'>parseString</span> <span class='hs-varid'>flags</span> <span class='hs-varid'>file</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-48"></a> <span class='hs-varid'>ppstr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>runCpp</span> <span class='hs-layout'>(</span><span class='hs-varid'>cppFlags</span> <span class='hs-varid'>flags</span><span class='hs-layout'>)</span> <span class='hs-varid'>file</span> <span class='hs-varid'>str</span>
<a name="line-49"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppstr</span><span class='hs-layout'>,</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>applyFixity</span> <span class='hs-varid'>fixity</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>parseFileContentsWithMode</span> <span class='hs-varid'>mode</span> <span class='hs-varid'>ppstr</span><span class='hs-layout'>)</span>
<a name="line-50"></a> <span class='hs-keyword'>where</span>
<a name="line-51"></a> <span class='hs-varid'>fixity</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>infixes</span> <span class='hs-varid'>flags</span> <span class='hs-varop'>++</span> <span class='hs-varid'>baseFixities</span>
<a name="line-52"></a> <span class='hs-varid'>mode</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultParseMode</span>
<a name="line-53"></a> <span class='hs-layout'>{</span><span class='hs-varid'>parseFilename</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>file</span>
<a name="line-54"></a> <span class='hs-layout'>,</span><span class='hs-varid'>extensions</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>language</span> <span class='hs-varid'>flags</span>
<a name="line-55"></a> <span class='hs-layout'>,</span><span class='hs-varid'>fixities</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-56"></a> <span class='hs-layout'>,</span><span class='hs-varid'>ignoreLinePragmas</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-57"></a> <span class='hs-layout'>}</span>
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<a name="line-60"></a><a name="applyFixity"></a><span class='hs-comment'>-- resolve fixities later, so we don't ever get uncatchable ambiguity errors</span>
<a name="line-61"></a><span class='hs-comment'>-- if there are fixity errors, just ignore them</span>
<a name="line-62"></a><span class='hs-definition'>applyFixity</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Fixity</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Module_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Module_</span>
<a name="line-63"></a><span class='hs-definition'>applyFixity</span> <span class='hs-varid'>fixity</span> <span class='hs-varid'>modu</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>descendBi</span> <span class='hs-varid'>f</span> <span class='hs-varid'>modu</span>
<a name="line-64"></a> <span class='hs-keyword'>where</span>
<a name="line-65"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-varid'>x</span> <span class='hs-varop'>$</span> <span class='hs-varid'>applyFixities</span> <span class='hs-layout'>(</span><span class='hs-varid'>extra</span> <span class='hs-varop'>++</span> <span class='hs-varid'>fixity</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Decl_</span>
<a name="line-66"></a> <span class='hs-varid'>extra</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concatMap</span> <span class='hs-varid'>getFixity</span> <span class='hs-varop'>$</span> <span class='hs-varid'>moduleDecls</span> <span class='hs-varid'>modu</span>
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<a name="line-69"></a><a name="parseFile"></a><span class='hs-definition'>parseFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ParseFlags</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-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>ParseResult</span> <span class='hs-conid'>Module_</span><span class='hs-layout'>)</span>
<a name="line-70"></a><span class='hs-definition'>parseFile</span> <span class='hs-varid'>flags</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-71"></a> <span class='hs-varid'>src</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readFileEncoding</span> <span class='hs-layout'>(</span><span class='hs-varid'>encoding</span> <span class='hs-varid'>flags</span><span class='hs-layout'>)</span> <span class='hs-varid'>file</span>
<a name="line-72"></a> <span class='hs-varid'>parseString</span> <span class='hs-varid'>flags</span> <span class='hs-varid'>file</span> <span class='hs-varid'>src</span>
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<a name="line-75"></a><a name="parseResult"></a><span class='hs-comment'>-- throw an error if the parse is invalid</span>
<a name="line-76"></a><span class='hs-definition'>parseResult</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span> <span class='hs-conid'>ParseResult</span> <span class='hs-conid'>Module_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Module_</span>
<a name="line-77"></a><span class='hs-definition'>parseResult</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-78"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>res</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>x</span>
<a name="line-79"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>fromParseResult</span> <span class='hs-varid'>res</span>
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