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<title>Text/Regex/TDFA/NewDFA/Tester.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- | Like Engine, but merely checks to see whether any match at all is found.</span>
<a name="line-2"></a><span class='hs-comment'>-- </span>
<a name="line-3"></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'>Tester</span><span class='hs-layout'>(</span><span class='hs-varid'>matchTest</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-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-6"></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>
<a name="line-7"></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'>null</span><span class='hs-layout'>)</span>
<a name="line-8"></a>
<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'>Sequence</span><span class='hs-layout'>(</span><span class='hs-conid'>Seq</span><span class='hs-layout'>)</span>
<a name="line-10"></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-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'>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-12"></a>
<a name="line-13"></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-conid'>()</span>
<a name="line-14"></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-15"></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-16"></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-17"></a>
<a name="line-18"></a><a name="matchTest"></a><span class='hs-comment'>{-# SPECIALIZE matchTest :: Regex -> ([] Char) -> Bool #-}</span>
<a name="line-19"></a><span class='hs-comment'>{-# SPECIALIZE matchTest :: Regex -> (Seq Char) -> Bool #-}</span>
<a name="line-20"></a><span class='hs-comment'>{-# SPECIALIZE matchTest :: Regex -> SBS.ByteString -> Bool #-}</span>
<a name="line-21"></a><span class='hs-comment'>{-# SPECIALIZE matchTest :: Regex -> LBS.ByteString -> Bool #-}</span>
<a name="line-22"></a><span class='hs-definition'>matchTest</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-varid'>text</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-23"></a><span class='hs-definition'>matchTest</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-varid'>dfaIn</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>regex_isFrontAnchored</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ifa</span> <span class='hs-layout'>}</span> <span class='hs-layout'>)</span>
<a name="line-25"></a> <span class='hs-varid'>inputIn</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ans</span> <span class='hs-keyword'>where</span>
<a name="line-26"></a>
<a name="line-27"></a> <span class='hs-varid'>ans</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>ifa</span> <span class='hs-keyword'>of</span>
<a name="line-28"></a> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>single0</span> <span class='hs-layout'>(</span><span class='hs-varid'>d_dt</span> <span class='hs-varid'>dfaIn</span><span class='hs-layout'>)</span> <span class='hs-varid'>inputIn</span>
<a name="line-29"></a> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>multi0</span> <span class='hs-layout'>(</span><span class='hs-varid'>d_dt</span> <span class='hs-varid'>dfaIn</span><span class='hs-layout'>)</span> <span class='hs-varid'>inputIn</span>
<a name="line-30"></a>
<a name="line-31"></a> <span class='hs-varid'>multi0</span> <span class='hs-layout'>(</span><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-layout'>)</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span>
<a name="line-32"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>test0</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>input</span>
<a name="line-33"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>multi0</span> <span class='hs-varid'>a</span> <span class='hs-varid'>input</span>
<a name="line-34"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>multi0</span> <span class='hs-varid'>b</span> <span class='hs-varid'>input</span>
<a name="line-35"></a> <span class='hs-varid'>multi0</span> <span class='hs-layout'>(</span><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><span class='hs-layout'>)</span> <span class='hs-varid'>input</span>
<a name="line-36"></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-37"></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-38"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-39"></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>
<a name="line-40"></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-41"></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_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-keyglyph'>-></span> <span class='hs-varid'>multi</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>input'</span>
<a name="line-42"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-43"></a>
<a name="line-44"></a> <span class='hs-varid'>multi</span> <span class='hs-layout'>(</span><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-layout'>)</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span>
<a name="line-45"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>test</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-46"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>multi</span> <span class='hs-varid'>a</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-47"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>multi</span> <span class='hs-varid'>b</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-48"></a> <span class='hs-varid'>multi</span> <span class='hs-layout'>(</span><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><span class='hs-layout'>)</span> <span class='hs-sel'>_prev</span> <span class='hs-varid'>input</span>
<a name="line-49"></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-50"></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-51"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-52"></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>
<a name="line-53"></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-54"></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_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-keyglyph'>-></span> <span class='hs-varid'>multi</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>input'</span>
<a name="line-55"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-56"></a>
<a name="line-57"></a> <span class='hs-varid'>single0</span> <span class='hs-layout'>(</span><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-layout'>)</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span>
<a name="line-58"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>testFA0</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>input</span>
<a name="line-59"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>single0</span> <span class='hs-varid'>a</span> <span class='hs-varid'>input</span>
<a name="line-60"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>single0</span> <span class='hs-varid'>b</span> <span class='hs-varid'>input</span>
<a name="line-61"></a> <span class='hs-varid'>single0</span> <span class='hs-layout'>(</span><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><span class='hs-layout'>)</span> <span class='hs-varid'>input</span>
<a name="line-62"></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-63"></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-64"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-65"></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>
<a name="line-66"></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-67"></a> <span class='hs-conid'>Transition</span> <span class='hs-layout'>{</span><span class='hs-varid'>trans_single</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>
<a name="line-68"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ISet</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>did'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-69"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>single</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>input'</span>
<a name="line-70"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-71"></a>
<a name="line-72"></a> <span class='hs-varid'>single</span> <span class='hs-layout'>(</span><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-layout'>)</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span>
<a name="line-73"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>testFA</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-74"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>single</span> <span class='hs-varid'>a</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-75"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>single</span> <span class='hs-varid'>b</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
<a name="line-76"></a> <span class='hs-varid'>single</span> <span class='hs-layout'>(</span><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><span class='hs-layout'>)</span> <span class='hs-sel'>_prev</span> <span class='hs-varid'>input</span>
<a name="line-77"></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-78"></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-79"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-80"></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>
<a name="line-81"></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-82"></a> <span class='hs-conid'>Transition</span> <span class='hs-layout'>{</span><span class='hs-varid'>trans_single</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>
<a name="line-83"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ISet</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>did'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>False</span>
<a name="line-84"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>single</span> <span class='hs-varid'>dt'</span> <span class='hs-varid'>c</span> <span class='hs-varid'>input'</span>
<a name="line-85"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="testFA0"></a><span class='hs-comment'>{-# INLINE testFA0 #-}</span>
<a name="line-88"></a><span class='hs-definition'>testFA0</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'>WhichTest</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-89"></a><span class='hs-definition'>testFA0</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>test_singleline</span> <span class='hs-varid'>wt</span> <span class='hs-num'>0</span> <span class='hs-chr'>'\n'</span> <span class='hs-varid'>text</span>
<a name="line-90"></a>
<a name="line-91"></a><a name="testFA"></a><span class='hs-comment'>{-# INLINE testFA #-}</span>
<a name="line-92"></a><span class='hs-definition'>testFA</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'>WhichTest</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-93"></a><span class='hs-definition'>testFA</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>text</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>test_singleline</span> <span class='hs-varid'>wt</span> <span class='hs-num'>1</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>text</span>
<a name="line-94"></a>
<a name="line-95"></a><a name="test0"></a><span class='hs-comment'>{-# INLINE test0 #-}</span>
<a name="line-96"></a><span class='hs-definition'>test0</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'>WhichTest</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-97"></a><span class='hs-definition'>test0</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>test_multiline</span> <span class='hs-varid'>wt</span> <span class='hs-num'>0</span> <span class='hs-chr'>'\n'</span> <span class='hs-varid'>input</span>
<a name="line-98"></a>
<a name="line-99"></a><a name="test"></a><span class='hs-comment'>{-# INLINE test #-}</span>
<a name="line-100"></a><span class='hs-definition'>test</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'>WhichTest</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-101"></a><span class='hs-definition'>test</span> <span class='hs-varid'>wt</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>test_multiline</span> <span class='hs-varid'>wt</span> <span class='hs-num'>1</span> <span class='hs-varid'>prev</span> <span class='hs-varid'>input</span>
</pre></body>
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