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<title>Text/Regex/TDFA/NewDFA/Engine_NC.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- | This is the non-capturing form of Text.Regex.TDFA.NewDFA.String</span>
<a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>TDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>NewDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>Engine_NC</span><span class='hs-layout'>(</span><span class='hs-varid'>execMatch</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-3"></a>
<a name="line-4"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-layout'>(</span><span class='hs-varid'>when</span><span class='hs-layout'>,</span><span class='hs-varid'>join</span><span class='hs-layout'>,</span><span class='hs-varid'>filterM</span><span class='hs-layout'>)</span>
<a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span><span class='hs-layout'>(</span><span class='hs-varid'>unsafeRead</span><span class='hs-layout'>,</span><span class='hs-varid'>unsafeWrite</span><span class='hs-layout'>)</span>
<a name="line-6"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</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-7"></a>
<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'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>MArray</span><span class='hs-layout'>(</span><span class='hs-conid'>MArray</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'>unsafeFreeze</span><span class='hs-layout'>)</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'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>IArray</span><span class='hs-layout'>(</span><span class='hs-conid'>Ix</span><span class='hs-layout'>)</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'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span><span class='hs-layout'>(</span><span class='hs-conid'>STArray</span><span class='hs-layout'>,</span><span class='hs-conid'>STUArray</span><span class='hs-layout'>)</span>
<a name="line-11"></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'>IntMap</span><span class='hs-varop'>.</span><span class='hs-conid'>CharMap2</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>CMap</span><span class='hs-layout'>(</span><span class='hs-varid'>findWithDefault</span><span class='hs-layout'>)</span>
<a name="line-12"></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'>IntMap</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>IMap</span><span class='hs-layout'>(</span><span class='hs-varid'>null</span><span class='hs-layout'>,</span><span class='hs-varid'>toList</span><span class='hs-layout'>,</span><span class='hs-varid'>keys</span><span class='hs-layout'>,</span><span class='hs-varid'>member</span><span class='hs-layout'>)</span>
<a name="line-13"></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'>IntSet</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>ISet</span><span class='hs-layout'>(</span><span class='hs-varid'>toAscList</span><span class='hs-layout'>)</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'>STRef</span><span class='hs-layout'>(</span><span class='hs-conid'>STRef</span><span class='hs-layout'>,</span><span class='hs-varid'>newSTRef</span><span class='hs-layout'>,</span><span class='hs-varid'>readSTRef</span><span class='hs-layout'>,</span><span class='hs-varid'>writeSTRef</span><span class='hs-layout'>)</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>L</span><span class='hs-layout'>(</span><span class='hs-varid'>runST</span><span class='hs-layout'>,</span><span class='hs-varid'>strictToLazyST</span><span class='hs-layout'>)</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span><span class='hs-varop'>.</span><span class='hs-conid'>Strict</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span><span class='hs-layout'>(</span><span class='hs-conid'>ST</span><span class='hs-layout'>)</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Sequence</span><span class='hs-layout'>(</span><span class='hs-conid'>Seq</span><span class='hs-layout'>)</span>
<a name="line-18"></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'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>SBS</span><span class='hs-layout'>(</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-19"></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'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>LBS</span><span class='hs-layout'>(</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span><span class='hs-layout'>(</span><span class='hs-conid'>MatchArray</span><span class='hs-layout'>,</span><span class='hs-conid'>MatchOffset</span><span class='hs-layout'>,</span><span class='hs-conid'>MatchLength</span><span class='hs-layout'>)</span>
<a name="line-22"></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'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>TDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>IntArrTrieSet</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>Trie</span><span class='hs-layout'>(</span><span class='hs-varid'>lookupAsc</span><span class='hs-layout'>)</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>TDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>Common</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>indent</span><span class='hs-layout'>)</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>TDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>NewDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>Uncons</span><span class='hs-layout'>(</span><span class='hs-conid'>Uncons</span><span class='hs-layout'>(</span><span class='hs-varid'>uncons</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Regex</span><span class='hs-varop'>.</span><span class='hs-conid'>TDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>NewDFA</span><span class='hs-varop'>.</span><span class='hs-conid'>MakeTest</span><span class='hs-layout'>(</span><span class='hs-varid'>test_singleline</span><span class='hs-layout'>,</span><span class='hs-varid'>test_multiline</span><span class='hs-layout'>)</span>
<a name="line-26"></a>
<a name="line-27"></a><span class='hs-comment'>-- import Debug.Trace</span>
<a name="line-28"></a>
<a name="line-29"></a><span class='hs-comment'>-- trace :: String -> a -> a</span>
<a name="line-30"></a><span class='hs-comment'>-- trace _ a = a</span>
<a name="line-31"></a>
<a name="line-32"></a><a name="err"></a><span class='hs-definition'>err</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-33"></a><span class='hs-definition'>err</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>common_error</span> <span class='hs-str'>"Text.Regex.TDFA.NewDFA.Engine_NC"</span> <span class='hs-varid'>s</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="!!"></a><span class='hs-comment'>{-# INLINE (!!) #-}</span>
<a name="line-36"></a><span class='hs-layout'>(</span><span class='hs-varop'>!!</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArray</span> <span class='hs-varid'>a</span> <span class='hs-varid'>e</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-conid'>Ix</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-varid'>i</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-varid'>e</span>
<a name="line-37"></a><span class='hs-layout'>(</span><span class='hs-varop'>!!</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeRead</span>
<a name="line-38"></a><a name="set"></a><span class='hs-comment'>{-# INLINE set #-}</span>
<a name="line-39"></a><span class='hs-definition'>set</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArray</span> <span class='hs-varid'>a</span> <span class='hs-varid'>e</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-conid'>Ix</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-varid'>i</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-conid'>()</span>
<a name="line-40"></a><span class='hs-definition'>set</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeWrite</span>
<a name="line-41"></a>
<a name="line-42"></a><a name="execMatch"></a><span class='hs-comment'>{-# SPECIALIZE execMatch :: Regex -> Position -> Char -> ([] Char) -> [MatchArray] #-}</span>
<a name="line-43"></a><span class='hs-comment'>{-# SPECIALIZE execMatch :: Regex -> Position -> Char -> (Seq Char) -> [MatchArray] #-}</span>
<a name="line-44"></a><span class='hs-comment'>{-# SPECIALIZE execMatch :: Regex -> Position -> Char -> SBS.ByteString -> [MatchArray] #-}</span>
<a name="line-45"></a><span class='hs-comment'>{-# SPECIALIZE execMatch :: Regex -> Position -> Char -> LBS.ByteString -> [MatchArray] #-}</span>
<a name="line-46"></a><span class='hs-definition'>execMatch</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Uncons</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Regex</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>MatchArray</span><span class='hs-keyglyph'>]</span>
<a name="line-47"></a><span class='hs-definition'>execMatch</span> <span class='hs-layout'>(</span><span class='hs-conid'>Regex</span> <span class='hs-layout'>{</span> <span class='hs-varid'>regex_dfa</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-conid'>DFA</span> <span class='hs-layout'>{</span><span class='hs-varid'>d_id</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>didIn</span><span class='hs-layout'>,</span><span class='hs-varid'>d_dt</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>dtIn</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>regex_init</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>startState</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>regex_b_index</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>b_index</span>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>regex_trie</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>trie</span>
<a name="line-51"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>regex_compOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CompOption</span> <span class='hs-layout'>{</span> <span class='hs-varid'>multiline</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newline</span> <span class='hs-layout'>}</span> <span class='hs-layout'>}</span> <span class='hs-layout'>)</span>
<a name="line-52"></a> <span class='hs-varid'>offsetIn</span> <span class='hs-varid'>prevIn</span> <span class='hs-varid'>inputIn</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>runST</span> <span class='hs-varid'>runCaptureGroup</span> <span class='hs-keyword'>where</span>
<a name="line-53"></a>
<a name="line-54"></a> <span class='hs-varop'>!</span><span class='hs-varid'>test</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkTest</span> <span class='hs-varid'>newline</span>
<a name="line-55"></a>
<a name="line-56"></a> <span class='hs-varid'>runCaptureGroup</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "runCaptureGroup" #-}</span> <span class='hs-keyword'>do</span>
<a name="line-57"></a> <span class='hs-varid'>obtainNext</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>strictToLazyST</span> <span class='hs-varid'>constructNewEngine</span>
<a name="line-58"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>vals</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>strictToLazyST</span> <span class='hs-varid'>obtainNext</span>
<a name="line-59"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>vals</span> <span class='hs-comment'>-- force vals before defining valsRest</span>
<a name="line-60"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-61"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>valsRest</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>loop</span>
<a name="line-62"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>vals</span> <span class='hs-varop'>++</span> <span class='hs-varid'>valsRest</span><span class='hs-layout'>)</span>
<a name="line-63"></a> <span class='hs-varid'>loop</span>
<a name="line-64"></a>
<a name="line-65"></a> <span class='hs-varid'>constructNewEngine</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>MatchArray</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-66"></a> <span class='hs-varid'>constructNewEngine</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "constructNewEngine" #-}</span> <span class='hs-keyword'>do</span>
<a name="line-67"></a> <span class='hs-varid'>storeNext</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newSTRef</span> <span class='hs-varid'>undefined</span>
<a name="line-68"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>storeNext</span> <span class='hs-layout'>(</span><span class='hs-varid'>goNext</span> <span class='hs-varid'>storeNext</span><span class='hs-layout'>)</span>
<a name="line-69"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>obtainNext</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>join</span> <span class='hs-layout'>(</span><span class='hs-varid'>readSTRef</span> <span class='hs-varid'>storeNext</span><span class='hs-layout'>)</span>
<a name="line-70"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>obtainNext</span>
<a name="line-71"></a>
<a name="line-72"></a> <span class='hs-varid'>goNext</span> <span class='hs-varid'>storeNext</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "goNext" #-}</span> <span class='hs-keyword'>do</span>
<a name="line-73"></a> <span class='hs-layout'>(</span><span class='hs-conid'>SScratch</span> <span class='hs-varid'>s1In</span> <span class='hs-varid'>s2In</span> <span class='hs-varid'>winQ</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newScratch</span> <span class='hs-varid'>b_index</span>
<a name="line-74"></a> <span class='hs-varid'>set</span> <span class='hs-varid'>s1In</span> <span class='hs-varid'>startState</span> <span class='hs-varid'>offsetIn</span>
<a name="line-75"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>storeNext</span> <span class='hs-layout'>(</span><span class='hs-varid'>err</span> <span class='hs-str'>"obtainNext called while goNext is running!"</span><span class='hs-layout'>)</span>
<a name="line-76"></a> <span class='hs-varid'>eliminatedStateFlag</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newSTRef</span> <span class='hs-conid'>False</span>
<a name="line-77"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>next</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did</span> <span class='hs-varid'>dt</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "goNext.next" #-}</span>
<a name="line-78"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dt</span> <span class='hs-keyword'>of</span>
<a name="line-79"></a> <span class='hs-conid'>Testing'</span> <span class='hs-layout'>{</span><span class='hs-varid'>dt_test</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>wt</span><span class='hs-layout'>,</span><span class='hs-varid'>dt_a</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>dt_b</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>b</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span>
<a name="line-80"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>test</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-81"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>next</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did</span> <span class='hs-varid'>a</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-82"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>next</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did</span> <span class='hs-varid'>b</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-83"></a> <span class='hs-conid'>Simple'</span> <span class='hs-layout'>{</span><span class='hs-varid'>dt_win</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>w</span><span class='hs-layout'>,</span><span class='hs-varid'>dt_trans</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>dt_other</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>o</span><span class='hs-layout'>}</span>
<a name="line-84"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>IMap</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span>
<a name="line-85"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>uncons</span> <span class='hs-varid'>input</span> <span class='hs-keyword'>of</span>
<a name="line-86"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>finalizeWinners</span>
<a name="line-87"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>input'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-88"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>CMap</span><span class='hs-varop'>.</span><span class='hs-varid'>findWithDefault</span> <span class='hs-varid'>o</span> <span class='hs-varid'>c</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-89"></a> <span class='hs-conid'>Transition</span> <span class='hs-layout'>{</span><span class='hs-varid'>trans_many</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>DFA</span> <span class='hs-layout'>{</span><span class='hs-varid'>d_id</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>did'</span><span class='hs-layout'>,</span><span class='hs-varid'>d_dt</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>dt'</span><span class='hs-layout'>}</span><span class='hs-layout'>,</span><span class='hs-varid'>trans_how</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>dtrans</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span>
<a name="line-90"></a> <span class='hs-varid'>findTrans</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did'</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>dtrans</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>c</span> <span class='hs-varid'>input'</span>
<a name="line-91"></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-92"></a> <span class='hs-layout'>(</span><span class='hs-varid'>did'</span><span class='hs-layout'>,</span><span class='hs-varid'>dt'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>processWinner</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>did</span> <span class='hs-varid'>dt</span> <span class='hs-varid'>w</span> <span class='hs-varid'>offset</span>
<a name="line-93"></a> <span class='hs-varid'>next'</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did'</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-94"></a>
<a name="line-95"></a> <span class='hs-varid'>next'</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did</span> <span class='hs-varid'>dt</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "goNext'.next" #-}</span>
<a name="line-96"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dt</span> <span class='hs-keyword'>of</span>
<a name="line-97"></a> <span class='hs-conid'>Testing'</span> <span class='hs-layout'>{</span><span class='hs-varid'>dt_test</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>wt</span><span class='hs-layout'>,</span><span class='hs-varid'>dt_a</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>dt_b</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>b</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span>
<a name="line-98"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>test</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-99"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>next'</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did</span> <span class='hs-varid'>a</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-100"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>next'</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did</span> <span class='hs-varid'>b</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-101"></a> <span class='hs-conid'>Simple'</span> <span class='hs-layout'>{</span><span class='hs-varid'>dt_trans</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>t</span><span class='hs-layout'>,</span> <span class='hs-varid'>dt_other</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>o</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span>
<a name="line-102"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>uncons</span> <span class='hs-varid'>input</span> <span class='hs-keyword'>of</span>
<a name="line-103"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>finalizeWinners</span>
<a name="line-104"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-layout'>,</span><span class='hs-varid'>input'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-105"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>CMap</span><span class='hs-varop'>.</span><span class='hs-varid'>findWithDefault</span> <span class='hs-varid'>o</span> <span class='hs-varid'>c</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-106"></a> <span class='hs-conid'>Transition</span> <span class='hs-layout'>{</span><span class='hs-varid'>trans_many</span><span class='hs-keyglyph'>=</span><span class='hs-conid'>DFA</span> <span class='hs-layout'>{</span><span class='hs-varid'>d_id</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>did'</span><span class='hs-layout'>,</span><span class='hs-varid'>d_dt</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>dt'</span><span class='hs-layout'>}</span><span class='hs-layout'>,</span><span class='hs-varid'>trans_how</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>dtrans</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span>
<a name="line-107"></a> <span class='hs-varid'>findTrans</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did'</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>dtrans</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>c</span> <span class='hs-varid'>input'</span>
<a name="line-108"></a>
<a name="line-109"></a> <span class='hs-varid'>findTrans</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>did'</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>dtrans</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>prev'</span> <span class='hs-varid'>input'</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "goNext.findTrans" #-}</span> <span class='hs-keyword'>do</span>
<a name="line-110"></a> <span class='hs-comment'>--</span>
<a name="line-111"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>findTransTo</span> <span class='hs-layout'>(</span><span class='hs-varid'>destIndex</span><span class='hs-layout'>,</span><span class='hs-varid'>sources</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-112"></a> <span class='hs-varid'>val</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>IMap</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>sources</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>succ</span> <span class='hs-varid'>offset</span><span class='hs-layout'>)</span>
<a name="line-113"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-varid'>minimum</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>s1</span> <span class='hs-varop'>!!</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>IMap</span><span class='hs-varop'>.</span><span class='hs-varid'>keys</span> <span class='hs-varid'>sources</span><span class='hs-layout'>)</span>
<a name="line-114"></a> <span class='hs-varid'>set</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>destIndex</span> <span class='hs-varid'>val</span>
<a name="line-115"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>val</span>
<a name="line-116"></a> <span class='hs-varid'>earlyStart</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>minimum</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>findTransTo</span> <span class='hs-layout'>(</span><span class='hs-conid'>IMap</span><span class='hs-varop'>.</span><span class='hs-varid'>toList</span> <span class='hs-varid'>dtrans</span><span class='hs-layout'>)</span>
<a name="line-117"></a> <span class='hs-comment'>--</span>
<a name="line-118"></a> <span class='hs-varid'>earlyWin</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSTRef</span> <span class='hs-layout'>(</span><span class='hs-varid'>mq_earliest</span> <span class='hs-varid'>winQ</span><span class='hs-layout'>)</span>
<a name="line-119"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>earlyWin</span> <span class='hs-varop'><</span> <span class='hs-varid'>earlyStart</span>
<a name="line-120"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-121"></a> <span class='hs-varid'>winnersR</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getMQ</span> <span class='hs-varid'>earlyStart</span> <span class='hs-varid'>winQ</span>
<a name="line-122"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>storeNext</span> <span class='hs-layout'>(</span><span class='hs-varid'>next</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>did'</span> <span class='hs-varid'>dt'</span> <span class='hs-layout'>(</span><span class='hs-varid'>succ</span> <span class='hs-varid'>offset</span><span class='hs-layout'>)</span> <span class='hs-varid'>prev'</span> <span class='hs-varid'>input'</span><span class='hs-layout'>)</span>
<a name="line-123"></a> <span class='hs-varid'>mapM</span> <span class='hs-varid'>wsToGroup</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>winnersR</span><span class='hs-layout'>)</span>
<a name="line-124"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-125"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>offset'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>succ</span> <span class='hs-varid'>offset</span> <span class='hs-keyword'>in</span> <span class='hs-varid'>seq</span> <span class='hs-varid'>offset'</span> <span class='hs-varop'>$</span> <span class='hs-varid'>next</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>did'</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>offset'</span> <span class='hs-varid'>prev'</span> <span class='hs-varid'>input'</span>
<a name="line-126"></a>
<a name="line-127"></a> <span class='hs-varid'>processWinner</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>did</span> <span class='hs-varid'>dt</span> <span class='hs-varid'>w</span> <span class='hs-varid'>offset</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>{-# SCC "goNext.newWinnerThenProceed" #-}</span> <span class='hs-keyword'>do</span>
<a name="line-128"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>getStart</span> <span class='hs-layout'>(</span><span class='hs-varid'>sourceIndex</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s1</span> <span class='hs-varop'>!!</span> <span class='hs-varid'>sourceIndex</span>
<a name="line-129"></a> <span class='hs-varid'>vals</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-varid'>getStart</span> <span class='hs-layout'>(</span><span class='hs-conid'>IMap</span><span class='hs-varop'>.</span><span class='hs-varid'>toList</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-130"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>low</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>minimum</span> <span class='hs-varid'>vals</span> <span class='hs-comment'>-- perhaps a non-empty winner</span>
<a name="line-131"></a> <span class='hs-varid'>high</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>maximum</span> <span class='hs-varid'>vals</span> <span class='hs-comment'>-- perhaps an empty winner</span>
<a name="line-132"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>low</span> <span class='hs-varop'><</span> <span class='hs-varid'>offset</span>
<a name="line-133"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-134"></a> <span class='hs-varid'>putMQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>WScratch</span> <span class='hs-varid'>low</span> <span class='hs-varid'>offset</span><span class='hs-layout'>)</span> <span class='hs-varid'>winQ</span>
<a name="line-135"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>high</span><span class='hs-varop'>==</span><span class='hs-varid'>offset</span> <span class='hs-varop'>||</span> <span class='hs-conid'>IMap</span><span class='hs-varop'>.</span><span class='hs-varid'>member</span> <span class='hs-varid'>startState</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-136"></a> <span class='hs-varid'>putMQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>WScratch</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>offset</span><span class='hs-layout'>)</span> <span class='hs-varid'>winQ</span>
<a name="line-137"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>keepState</span> <span class='hs-varid'>i1</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-138"></a> <span class='hs-varid'>startsAt</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>s1</span> <span class='hs-varop'>!!</span> <span class='hs-varid'>i1</span>
<a name="line-139"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>keep</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>startsAt</span> <span class='hs-varop'><=</span> <span class='hs-varid'>low</span><span class='hs-layout'>)</span> <span class='hs-varop'>||</span> <span class='hs-layout'>(</span><span class='hs-varid'>offset</span> <span class='hs-varop'><=</span> <span class='hs-varid'>startsAt</span><span class='hs-layout'>)</span>
<a name="line-140"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>keep</span>
<a name="line-141"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
<a name="line-142"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>i1</span> <span class='hs-varop'>==</span> <span class='hs-varid'>startState</span>
<a name="line-143"></a> <span class='hs-keyword'>then</span> <span class='hs-comment'>{- check for additional empty winner -}</span>
<a name="line-144"></a> <span class='hs-varid'>set</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>i1</span> <span class='hs-layout'>(</span><span class='hs-varid'>succ</span> <span class='hs-varid'>offset</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>True</span>
<a name="line-145"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>eliminatedStateFlag</span> <span class='hs-conid'>True</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-146"></a> <span class='hs-varid'>states'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filterM</span> <span class='hs-varid'>keepState</span> <span class='hs-layout'>(</span><span class='hs-conid'>ISet</span><span class='hs-varop'>.</span><span class='hs-varid'>toAscList</span> <span class='hs-varid'>did</span><span class='hs-layout'>)</span>
<a name="line-147"></a> <span class='hs-varid'>flag</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSTRef</span> <span class='hs-varid'>eliminatedStateFlag</span>
<a name="line-148"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>flag</span>
<a name="line-149"></a> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span>
<a name="line-150"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>eliminatedStateFlag</span> <span class='hs-conid'>False</span>
<a name="line-151"></a> <span class='hs-keyword'>let</span> <span class='hs-conid'>DFA</span> <span class='hs-layout'>{</span><span class='hs-varid'>d_id</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>did'</span><span class='hs-layout'>,</span><span class='hs-varid'>d_dt</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>dt'</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Trie</span><span class='hs-varop'>.</span><span class='hs-varid'>lookupAsc</span> <span class='hs-varid'>trie</span> <span class='hs-varid'>states'</span>
<a name="line-152"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>did'</span><span class='hs-layout'>,</span><span class='hs-varid'>dt'</span><span class='hs-layout'>)</span>
<a name="line-153"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-154"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>did</span><span class='hs-layout'>,</span><span class='hs-varid'>dt</span><span class='hs-layout'>)</span>
<a name="line-155"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-156"></a> <span class='hs-comment'>-- offset == low == minimum vals == maximum vals == high; vals == [offset]</span>
<a name="line-157"></a> <span class='hs-varid'>putMQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>WScratch</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>offset</span><span class='hs-layout'>)</span> <span class='hs-varid'>winQ</span>
<a name="line-158"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>did</span><span class='hs-layout'>,</span><span class='hs-varid'>dt</span><span class='hs-layout'>)</span>
<a name="line-159"></a>
<a name="line-160"></a> <span class='hs-varid'>finalizeWinners</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-161"></a> <span class='hs-varid'>winnersR</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSTRef</span> <span class='hs-layout'>(</span><span class='hs-varid'>mq_list</span> <span class='hs-varid'>winQ</span><span class='hs-layout'>)</span>
<a name="line-162"></a> <span class='hs-varid'>resetMQ</span> <span class='hs-varid'>winQ</span>
<a name="line-163"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>storeNext</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-164"></a> <span class='hs-varid'>mapM</span> <span class='hs-varid'>wsToGroup</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>winnersR</span><span class='hs-layout'>)</span>
<a name="line-165"></a>
<a name="line-166"></a> <span class='hs-comment'>-- goNext then ends with the next statement</span>
<a name="line-167"></a> <span class='hs-varid'>next</span> <span class='hs-varid'>s1In</span> <span class='hs-varid'>s2In</span> <span class='hs-varid'>didIn</span> <span class='hs-varid'>dtIn</span> <span class='hs-varid'>offsetIn</span> <span class='hs-varid'>prevIn</span> <span class='hs-varid'>inputIn</span>
<a name="line-168"></a>
<a name="line-169"></a><span class='hs-comment'>----</span>
<a name="line-170"></a>
<a name="line-171"></a><a name="mkTest"></a><span class='hs-comment'>{-# INLINE mkTest #-}</span>
<a name="line-172"></a><span class='hs-definition'>mkTest</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Uncons</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WhichTest</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Index</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-173"></a><span class='hs-definition'>mkTest</span> <span class='hs-varid'>isMultiline</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isMultiline</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>test_multiline</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>test_singleline</span>
<a name="line-174"></a>
<a name="line-175"></a><span class='hs-comment'>----</span>
<a name="line-176"></a>
<a name="line-177"></a><span class='hs-comment'>{- MUTABLE WINNER QUEUE -}</span>
<a name="line-178"></a>
<a name="line-179"></a><a name="MQ"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>MQ</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>MQ</span> <span class='hs-layout'>{</span> <span class='hs-varid'>mq_earliest</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>STRef</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Position</span><span class='hs-layout'>)</span>
<a name="line-180"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mq_list</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>STRef</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WScratch</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-181"></a> <span class='hs-layout'>}</span>
<a name="line-182"></a>
<a name="line-183"></a><a name="newMQ"></a><span class='hs-definition'>newMQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>MQ</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-184"></a><span class='hs-definition'>newMQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-185"></a> <span class='hs-varid'>earliest</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newSTRef</span> <span class='hs-varid'>maxBound</span>
<a name="line-186"></a> <span class='hs-varid'>list</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newSTRef</span> <span class='hs-conid'>[]</span>
<a name="line-187"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>MQ</span> <span class='hs-varid'>earliest</span> <span class='hs-varid'>list</span><span class='hs-layout'>)</span>
<a name="line-188"></a>
<a name="line-189"></a><a name="resetMQ"></a><span class='hs-definition'>resetMQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MQ</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-conid'>()</span>
<a name="line-190"></a><span class='hs-definition'>resetMQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>MQ</span> <span class='hs-layout'>{</span><span class='hs-varid'>mq_earliest</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>earliest</span><span class='hs-layout'>,</span><span class='hs-varid'>mq_list</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>list</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-191"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>earliest</span> <span class='hs-varid'>maxBound</span>
<a name="line-192"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>list</span> <span class='hs-conid'>[]</span>
<a name="line-193"></a>
<a name="line-194"></a><a name="putMQ"></a><span class='hs-definition'>putMQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WScratch</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MQ</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-conid'>()</span>
<a name="line-195"></a><span class='hs-definition'>putMQ</span> <span class='hs-varid'>ws</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>WScratch</span> <span class='hs-layout'>{</span><span class='hs-varid'>ws_start</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>start</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>MQ</span> <span class='hs-layout'>{</span><span class='hs-varid'>mq_earliest</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>earliest</span><span class='hs-layout'>,</span><span class='hs-varid'>mq_list</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>list</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-196"></a> <span class='hs-varid'>startE</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSTRef</span> <span class='hs-varid'>earliest</span>
<a name="line-197"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>start</span> <span class='hs-varop'><=</span> <span class='hs-varid'>startE</span>
<a name="line-198"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>earliest</span> <span class='hs-varid'>start</span> <span class='hs-varop'>>></span> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>list</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>ws</span><span class='hs-keyglyph'>]</span>
<a name="line-199"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-200"></a> <span class='hs-varid'>old</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSTRef</span> <span class='hs-varid'>list</span>
<a name="line-201"></a> <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>start</span> <span class='hs-varop'><=</span> <span class='hs-varid'>ws_start</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>old</span>
<a name="line-202"></a> <span class='hs-varop'>!</span><span class='hs-varid'>new</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ws</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest</span>
<a name="line-203"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>list</span> <span class='hs-varid'>new</span>
<a name="line-204"></a>
<a name="line-205"></a><a name="getMQ"></a><span class='hs-definition'>getMQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MQ</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>WScratch</span><span class='hs-keyglyph'>]</span>
<a name="line-206"></a><span class='hs-definition'>getMQ</span> <span class='hs-varid'>pos</span> <span class='hs-layout'>(</span><span class='hs-conid'>MQ</span> <span class='hs-layout'>{</span><span class='hs-varid'>mq_earliest</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>earliest</span><span class='hs-layout'>,</span><span class='hs-varid'>mq_list</span><span class='hs-keyglyph'>=</span><span class='hs-varid'>list</span><span class='hs-layout'>}</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-207"></a> <span class='hs-varid'>old</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readSTRef</span> <span class='hs-varid'>list</span>
<a name="line-208"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>span</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pos</span> <span class='hs-varop'><=</span> <span class='hs-varid'>ws_start</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>old</span> <span class='hs-keyword'>of</span>
<a name="line-209"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span><span class='hs-varid'>ans</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-210"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>earliest</span> <span class='hs-varid'>maxBound</span>
<a name="line-211"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>list</span> <span class='hs-conid'>[]</span>
<a name="line-212"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>ans</span>
<a name="line-213"></a> <span class='hs-layout'>(</span><span class='hs-varid'>new</span><span class='hs-layout'>,</span><span class='hs-varid'>ans</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-214"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>earliest</span> <span class='hs-layout'>(</span><span class='hs-varid'>ws_start</span> <span class='hs-layout'>(</span><span class='hs-varid'>last</span> <span class='hs-varid'>new</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-215"></a> <span class='hs-varid'>writeSTRef</span> <span class='hs-varid'>list</span> <span class='hs-varid'>new</span>
<a name="line-216"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>ans</span>
<a name="line-217"></a>
<a name="line-218"></a><span class='hs-comment'>{- MUTABLE SCRATCH DATA STRUCTURES -}</span>
<a name="line-219"></a>
<a name="line-220"></a><a name="SScratch"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>SScratch</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SScratch</span> <span class='hs-layout'>{</span> <span class='hs-sel'>_s_1</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>MScratch</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-221"></a> <span class='hs-layout'>,</span> <span class='hs-sel'>_s_2</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>MScratch</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-222"></a> <span class='hs-layout'>,</span> <span class='hs-sel'>_s_mq</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-layout'>(</span><span class='hs-conid'>MQ</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-223"></a> <span class='hs-layout'>}</span>
<a name="line-224"></a><a name="MScratch"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>MScratch</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Index</span> <span class='hs-conid'>Position</span>
<a name="line-225"></a><a name="WScratch"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>WScratch</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WScratch</span> <span class='hs-layout'>{</span><span class='hs-varid'>ws_start</span><span class='hs-layout'>,</span><span class='hs-sel'>_ws_stop</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Position</span><span class='hs-layout'>}</span>
<a name="line-226"></a> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Show</span>
<a name="line-227"></a>
<a name="line-228"></a><span class='hs-comment'>{- DEBUGGING HELPERS -}</span>
<a name="line-229"></a><span class='hs-comment'>{- CREATING INITIAL MUTABLE SCRATCH DATA STRUCTURES -}</span>
<a name="line-230"></a>
<a name="line-231"></a><a name="newA"></a><span class='hs-comment'>{-# INLINE newA #-}</span>
<a name="line-232"></a><span class='hs-definition'>newA</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MArray</span> <span class='hs-layout'>(</span><span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>e</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Tag</span><span class='hs-layout'>,</span><span class='hs-conid'>Tag</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>STUArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Tag</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>
<a name="line-233"></a><span class='hs-definition'>newA</span> <span class='hs-varid'>b_tags</span> <span class='hs-varid'>initial</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newArray</span> <span class='hs-varid'>b_tags</span> <span class='hs-varid'>initial</span>
<a name="line-234"></a>
<a name="line-235"></a><a name="newScratch"></a><span class='hs-definition'>newScratch</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Index</span><span class='hs-layout'>,</span><span class='hs-conid'>Index</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>SScratch</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-236"></a><span class='hs-definition'>newScratch</span> <span class='hs-varid'>b_index</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-237"></a> <span class='hs-varid'>s1</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newMScratch</span> <span class='hs-varid'>b_index</span>
<a name="line-238"></a> <span class='hs-varid'>s2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newMScratch</span> <span class='hs-varid'>b_index</span>
<a name="line-239"></a> <span class='hs-varid'>winQ</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newMQ</span>
<a name="line-240"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>SScratch</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>s2</span> <span class='hs-varid'>winQ</span><span class='hs-layout'>)</span>
<a name="line-241"></a>
<a name="line-242"></a><a name="newMScratch"></a><span class='hs-definition'>newMScratch</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Index</span><span class='hs-layout'>,</span><span class='hs-conid'>Index</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>MScratch</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-243"></a><span class='hs-definition'>newMScratch</span> <span class='hs-varid'>b_index</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>newA</span> <span class='hs-varid'>b_index</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-244"></a>
<a name="line-245"></a><span class='hs-comment'>{- CONVERT WINNERS TO MATCHARRAY -}</span>
<a name="line-246"></a>
<a name="line-247"></a><a name="wsToGroup"></a><span class='hs-definition'>wsToGroup</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WScratch</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-conid'>MatchArray</span>
<a name="line-248"></a><span class='hs-definition'>wsToGroup</span> <span class='hs-layout'>(</span><span class='hs-conid'>WScratch</span> <span class='hs-varid'>start</span> <span class='hs-varid'>stop</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-249"></a> <span class='hs-varid'>ma</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>newArray</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-layout'>,</span><span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>start</span><span class='hs-layout'>,</span><span class='hs-varid'>stop</span><span class='hs-comment'>-</span><span class='hs-varid'>start</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ST</span> <span class='hs-varid'>s</span> <span class='hs-layout'>(</span><span class='hs-conid'>STArray</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Int</span> <span class='hs-layout'>(</span><span class='hs-conid'>MatchOffset</span><span class='hs-layout'>,</span><span class='hs-conid'>MatchLength</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-250"></a> <span class='hs-varid'>unsafeFreeze</span> <span class='hs-varid'>ma</span>
<a name="line-251"></a>
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