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ghc-text-devel-0.8.1.0-1.fc14.1.i686.rpm

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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE BangPatterns, CPP, Rank2Types #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module      : Data.Text.Lazy.Encoding.Fusion</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright   : (c) 2009, 2010 Bryan O'Sullivan</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- License     : BSD-style</span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer  : bos@serpentine.com, rtomharper@googlemail.com, </span>
<a name="line-9"></a><span class='hs-comment'>--               duncan@haskell.org</span>
<a name="line-10"></a><span class='hs-comment'>-- Stability   : experimental</span>
<a name="line-11"></a><span class='hs-comment'>-- Portability : portable</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- Fusible 'Stream'-oriented functions for converting between lazy</span>
<a name="line-14"></a><span class='hs-comment'>-- 'Text' and several common encodings.</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Fusion</span>
<a name="line-17"></a>    <span class='hs-layout'>(</span>
<a name="line-18"></a>    <span class='hs-comment'>-- * Streaming</span>
<a name="line-19"></a>    <span class='hs-comment'>--  streamASCII</span>
<a name="line-20"></a>      <span class='hs-varid'>streamUtf8</span>
<a name="line-21"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>streamUtf16LE</span>
<a name="line-22"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>streamUtf16BE</span>
<a name="line-23"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>streamUtf32LE</span>
<a name="line-24"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>streamUtf32BE</span>
<a name="line-25"></a>
<a name="line-26"></a>    <span class='hs-comment'>-- * Unstreaming</span>
<a name="line-27"></a>    <span class='hs-layout'>,</span> <span class='hs-varid'>unstream</span>
<a name="line-28"></a>
<a name="line-29"></a>    <span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Fusion</span><span class='hs-varop'>.</span><span class='hs-conid'>Common</span>
<a name="line-30"></a>    <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-31"></a>
<a name="line-32"></a><span class='hs-keyword'>import</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'>Internal</span> <span class='hs-layout'>(</span><span class='hs-conid'>ByteString</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'>defaultChunkSize</span><span class='hs-layout'>)</span>
<a name="line-33"></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-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-34"></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'>Unsafe</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Fusion</span><span class='hs-varop'>.</span><span class='hs-conid'>Common</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Error</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Fusion</span> <span class='hs-layout'>(</span><span class='hs-conid'>Step</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Stream</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Fusion</span><span class='hs-varop'>.</span><span class='hs-conid'>Size</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>UnsafeChar</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafeChr8</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafeChr32</span><span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>UnsafeShift</span> <span class='hs-layout'>(</span><span class='hs-varid'>shiftL</span><span class='hs-layout'>)</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word16</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word32</span><span class='hs-layout'>)</span>
<a name="line-42"></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'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Utf8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>U8</span>
<a name="line-43"></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'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Utf16</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>U16</span>
<a name="line-44"></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'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Encoding</span><span class='hs-varop'>.</span><span class='hs-conid'>Utf32</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>U32</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafePerformIO</span><span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-layout'>(</span><span class='hs-varid'>withForeignPtr</span><span class='hs-layout'>,</span> <span class='hs-conid'>ForeignPtr</span><span class='hs-layout'>)</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span> <span class='hs-layout'>(</span><span class='hs-varid'>pokeByteOff</span><span class='hs-layout'>)</span>
<a name="line-48"></a><span class='hs-keyword'>import</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'>Internal</span> <span class='hs-layout'>(</span><span class='hs-varid'>mallocByteString</span><span class='hs-layout'>,</span> <span class='hs-varid'>memcpy</span><span class='hs-layout'>)</span>
<a name="line-49"></a><span class='hs-cpp'>#if defined(ASSERTS)</span>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span><span class='hs-varid'>assert</span><span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-cpp'>#endif</span>
<a name="line-52"></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'>Internal</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="S"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>S</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S0</span>
<a name="line-55"></a>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S1</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span>
<a name="line-56"></a>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S2</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span>
<a name="line-57"></a>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S3</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span>
<a name="line-58"></a>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S4</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Word8</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="T"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>T</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-varop'>!</span><span class='hs-conid'>ByteString</span> <span class='hs-varop'>!</span><span class='hs-conid'>S</span> <span class='hs-comment'>{-# UNPACK #-}</span> <span class='hs-varop'>!</span><span class='hs-conid'>Int</span>
<a name="line-61"></a>
<a name="line-62"></a><a name="streamUtf8"></a><span class='hs-comment'>-- | /O(n)/ Convert a lazy 'ByteString' into a 'Stream Char', using</span>
<a name="line-63"></a><span class='hs-comment'>-- UTF-8 encoding.</span>
<a name="line-64"></a><span class='hs-definition'>streamUtf8</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OnDecodeError</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Char</span>
<a name="line-65"></a><span class='hs-definition'>streamUtf8</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>bs0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Stream</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs0</span> <span class='hs-conid'>S0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>unknownSize</span>
<a name="line-66"></a>  <span class='hs-keyword'>where</span>
<a name="line-67"></a>    <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-68"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate1</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span>
<a name="line-69"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr8</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>    <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-70"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span>
<a name="line-71"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>chr2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>     <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-72"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>2</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span>
<a name="line-73"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>chr3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>   <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>3</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-74"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span>
<a name="line-75"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>chr4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-76"></a>      <span class='hs-keyword'>where</span> <span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span>
<a name="line-77"></a>            <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>i</span>
<a name="line-78"></a>            <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-79"></a>            <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>2</span><span class='hs-layout'>)</span>
<a name="line-80"></a>            <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>3</span><span class='hs-layout'>)</span>
<a name="line-81"></a>    <span class='hs-varid'>next</span> <span class='hs-varid'>st</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-82"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-83"></a>        <span class='hs-conid'>S1</span> <span class='hs-varid'>a</span>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate1</span> <span class='hs-varid'>a</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr8</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>    <span class='hs-varid'>es</span>
<a name="line-84"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span>     <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>chr2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>     <span class='hs-varid'>es</span>
<a name="line-85"></a>        <span class='hs-conid'>S3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span>   <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span>   <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>chr3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>   <span class='hs-varid'>es</span>
<a name="line-86"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>validate4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U8</span><span class='hs-varop'>.</span><span class='hs-varid'>chr4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>es</span>
<a name="line-87"></a>        <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>
<a name="line-88"></a>       <span class='hs-keyword'>where</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span>
<a name="line-89"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-90"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&gt;=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>rest</span> <span class='hs-varid'>s</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-91"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-92"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-93"></a>        <span class='hs-conid'>S0</span>         <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-94"></a>        <span class='hs-conid'>S1</span> <span class='hs-varid'>a</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>     <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-95"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span>     <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>   <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-96"></a>        <span class='hs-conid'>S3</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span>   <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-97"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf8"</span> <span class='hs-str'>"UTF-8"</span> <span class='hs-varid'>onErr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-98"></a>                           <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>b</span> <span class='hs-varid'>c</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>   <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-99"></a>        <span class='hs-keyword'>where</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>i</span>
<a name="line-100"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-conid'>Empty</span> <span class='hs-conid'>S0</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Done</span>
<a name="line-101"></a>    <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>             <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf8"</span> <span class='hs-str'>"UTF-8"</span> <span class='hs-varid'>onErr</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>st</span>
<a name="line-102"></a><span class='hs-comment'>{-# INLINE [0] streamUtf8 #-}</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="streamUtf16LE"></a><span class='hs-comment'>-- | /O(n)/ Convert a 'ByteString' into a 'Stream Char', using little</span>
<a name="line-105"></a><span class='hs-comment'>-- endian UTF-16 encoding.</span>
<a name="line-106"></a><span class='hs-definition'>streamUtf16LE</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OnDecodeError</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Char</span>
<a name="line-107"></a><span class='hs-definition'>streamUtf16LE</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>bs0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Stream</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs0</span> <span class='hs-conid'>S0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>unknownSize</span>
<a name="line-108"></a>  <span class='hs-keyword'>where</span>
<a name="line-109"></a>    <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-110"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate1</span> <span class='hs-varid'>x1</span> <span class='hs-keyglyph'>=</span>
<a name="line-111"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr</span> <span class='hs-varid'>x1</span><span class='hs-layout'>)</span>         <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-112"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate2</span> <span class='hs-varid'>x1</span> <span class='hs-varid'>x2</span> <span class='hs-keyglyph'>=</span>
<a name="line-113"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>chr2</span> <span class='hs-varid'>x1</span> <span class='hs-varid'>x2</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-114"></a>      <span class='hs-keyword'>where</span> <span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span>
<a name="line-115"></a>            <span class='hs-varid'>x1</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>idx</span>  <span class='hs-varid'>i</span><span class='hs-layout'>)</span>      <span class='hs-layout'>(</span><span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-116"></a>            <span class='hs-varid'>x2</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-117"></a>            <span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>w1</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-varid'>w2</span> <span class='hs-varop'>`shiftL`</span> <span class='hs-num'>8</span><span class='hs-layout'>)</span>
<a name="line-118"></a>            <span class='hs-varid'>idx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word16</span>
<a name="line-119"></a>    <span class='hs-varid'>next</span> <span class='hs-varid'>st</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-120"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-121"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate1</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span>           <span class='hs-keyglyph'>-&gt;</span>
<a name="line-122"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>   <span class='hs-varid'>es</span>
<a name="line-123"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate2</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-124"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>chr2</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>es</span>
<a name="line-125"></a>        <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>
<a name="line-126"></a>       <span class='hs-keyword'>where</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span>
<a name="line-127"></a>             <span class='hs-varid'>c</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word16</span>
<a name="line-128"></a>             <span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w1</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w2</span> <span class='hs-varop'>`shiftL`</span> <span class='hs-num'>8</span><span class='hs-layout'>)</span>
<a name="line-129"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-130"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&gt;=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>rest</span> <span class='hs-varid'>s</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-131"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-132"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-133"></a>        <span class='hs-conid'>S0</span>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>          <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-134"></a>        <span class='hs-conid'>S1</span> <span class='hs-varid'>w1</span>          <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-135"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>    <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-136"></a>        <span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-137"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf16LE"</span> <span class='hs-str'>"UTF-16LE"</span> <span class='hs-varid'>onErr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>w1</span><span class='hs-layout'>)</span>
<a name="line-138"></a>                           <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-139"></a>        <span class='hs-keyword'>where</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>i</span>
<a name="line-140"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-conid'>Empty</span> <span class='hs-conid'>S0</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Done</span>
<a name="line-141"></a>    <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>             <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf16LE"</span> <span class='hs-str'>"UTF-16LE"</span> <span class='hs-varid'>onErr</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>st</span>
<a name="line-142"></a><span class='hs-comment'>{-# INLINE [0] streamUtf16LE #-}</span>
<a name="line-143"></a>
<a name="line-144"></a><a name="streamUtf16BE"></a><span class='hs-comment'>-- | /O(n)/ Convert a 'ByteString' into a 'Stream Char', using big</span>
<a name="line-145"></a><span class='hs-comment'>-- endian UTF-16 encoding.</span>
<a name="line-146"></a><span class='hs-definition'>streamUtf16BE</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OnDecodeError</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Char</span>
<a name="line-147"></a><span class='hs-definition'>streamUtf16BE</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>bs0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Stream</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs0</span> <span class='hs-conid'>S0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>unknownSize</span>
<a name="line-148"></a>  <span class='hs-keyword'>where</span>
<a name="line-149"></a>    <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-150"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate1</span> <span class='hs-varid'>x1</span> <span class='hs-keyglyph'>=</span>
<a name="line-151"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr</span> <span class='hs-varid'>x1</span><span class='hs-layout'>)</span>         <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-152"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate2</span> <span class='hs-varid'>x1</span> <span class='hs-varid'>x2</span> <span class='hs-keyglyph'>=</span>
<a name="line-153"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>chr2</span> <span class='hs-varid'>x1</span> <span class='hs-varid'>x2</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-154"></a>      <span class='hs-keyword'>where</span> <span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span>
<a name="line-155"></a>            <span class='hs-varid'>x1</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>idx</span>  <span class='hs-varid'>i</span><span class='hs-layout'>)</span>      <span class='hs-layout'>(</span><span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-156"></a>            <span class='hs-varid'>x2</span>   <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-157"></a>            <span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>w1</span> <span class='hs-varop'>`shiftL`</span> <span class='hs-num'>8</span><span class='hs-layout'>)</span> <span class='hs-varop'>+</span> <span class='hs-varid'>w2</span>
<a name="line-158"></a>            <span class='hs-varid'>idx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word16</span>
<a name="line-159"></a>    <span class='hs-varid'>next</span> <span class='hs-varid'>st</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-160"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-161"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span>       <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate1</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span>           <span class='hs-keyglyph'>-&gt;</span>
<a name="line-162"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>   <span class='hs-varid'>es</span>
<a name="line-163"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>validate2</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-164"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>U16</span><span class='hs-varop'>.</span><span class='hs-varid'>chr2</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>es</span>
<a name="line-165"></a>        <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>
<a name="line-166"></a>       <span class='hs-keyword'>where</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span>
<a name="line-167"></a>             <span class='hs-varid'>c</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word16</span>
<a name="line-168"></a>             <span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w1</span> <span class='hs-varop'>`shiftL`</span> <span class='hs-num'>8</span><span class='hs-layout'>)</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w2</span>
<a name="line-169"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-170"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&gt;=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>rest</span> <span class='hs-varid'>s</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-171"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-172"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-173"></a>        <span class='hs-conid'>S0</span>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>          <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-174"></a>        <span class='hs-conid'>S1</span> <span class='hs-varid'>w1</span>          <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-175"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>    <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-176"></a>        <span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-177"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf16BE"</span> <span class='hs-str'>"UTF-16BE"</span> <span class='hs-varid'>onErr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>w1</span><span class='hs-layout'>)</span>
<a name="line-178"></a>                           <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-179"></a>        <span class='hs-keyword'>where</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>i</span>
<a name="line-180"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-conid'>Empty</span> <span class='hs-conid'>S0</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Done</span>
<a name="line-181"></a>    <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>             <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf16BE"</span> <span class='hs-str'>"UTF-16BE"</span> <span class='hs-varid'>onErr</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>st</span>
<a name="line-182"></a><span class='hs-comment'>{-# INLINE [0] streamUtf16BE #-}</span>
<a name="line-183"></a>
<a name="line-184"></a><a name="streamUtf32BE"></a><span class='hs-comment'>-- | /O(n)/ Convert a 'ByteString' into a 'Stream Char', using big</span>
<a name="line-185"></a><span class='hs-comment'>-- endian UTF-32 encoding.</span>
<a name="line-186"></a><span class='hs-definition'>streamUtf32BE</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OnDecodeError</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Char</span>
<a name="line-187"></a><span class='hs-definition'>streamUtf32BE</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>bs0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Stream</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs0</span> <span class='hs-conid'>S0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>unknownSize</span>
<a name="line-188"></a>  <span class='hs-keyword'>where</span>
<a name="line-189"></a>    <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-190"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U32</span><span class='hs-varop'>.</span><span class='hs-varid'>validate</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span>
<a name="line-191"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr32</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-192"></a>      <span class='hs-keyword'>where</span> <span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span>
<a name="line-193"></a>            <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x1</span> <span class='hs-num'>24</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x2</span> <span class='hs-num'>16</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x3</span> <span class='hs-num'>8</span> <span class='hs-varop'>+</span> <span class='hs-varid'>x4</span>
<a name="line-194"></a>            <span class='hs-varid'>x1</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>i</span>
<a name="line-195"></a>            <span class='hs-varid'>x2</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-196"></a>            <span class='hs-varid'>x3</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>2</span><span class='hs-layout'>)</span>
<a name="line-197"></a>            <span class='hs-varid'>x4</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>3</span><span class='hs-layout'>)</span>
<a name="line-198"></a>            <span class='hs-varid'>idx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word32</span>
<a name="line-199"></a>    <span class='hs-varid'>next</span> <span class='hs-varid'>st</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-200"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-201"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U32</span><span class='hs-varop'>.</span><span class='hs-varid'>validate</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-202"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr32</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>es</span>
<a name="line-203"></a>        <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>
<a name="line-204"></a>       <span class='hs-keyword'>where</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span>
<a name="line-205"></a>             <span class='hs-varid'>c</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word32</span>
<a name="line-206"></a>             <span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shifted</span>
<a name="line-207"></a>              <span class='hs-keyword'>where</span>
<a name="line-208"></a>               <span class='hs-varid'>shifted</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x1</span> <span class='hs-num'>24</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x2</span> <span class='hs-num'>16</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x3</span> <span class='hs-num'>8</span> <span class='hs-varop'>+</span> <span class='hs-varid'>x4</span>
<a name="line-209"></a>               <span class='hs-varid'>x1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w1</span>
<a name="line-210"></a>               <span class='hs-varid'>x2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w2</span>
<a name="line-211"></a>               <span class='hs-varid'>x3</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w3</span>
<a name="line-212"></a>               <span class='hs-varid'>x4</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w4</span>
<a name="line-213"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-214"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&gt;=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>rest</span> <span class='hs-varid'>s</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-215"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-216"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-217"></a>        <span class='hs-conid'>S0</span>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>          <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-218"></a>        <span class='hs-conid'>S1</span> <span class='hs-varid'>w1</span>          <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-219"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>    <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-220"></a>        <span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-221"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf32BE"</span> <span class='hs-str'>"UTF-32BE"</span> <span class='hs-varid'>onErr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>w1</span><span class='hs-layout'>)</span>
<a name="line-222"></a>                           <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-223"></a>        <span class='hs-keyword'>where</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>i</span>
<a name="line-224"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-conid'>Empty</span> <span class='hs-conid'>S0</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Done</span>
<a name="line-225"></a>    <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>             <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf32BE"</span> <span class='hs-str'>"UTF-32BE"</span> <span class='hs-varid'>onErr</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>st</span>
<a name="line-226"></a><span class='hs-comment'>{-# INLINE [0] streamUtf32BE #-}</span>
<a name="line-227"></a>
<a name="line-228"></a><a name="streamUtf32LE"></a><span class='hs-comment'>-- | /O(n)/ Convert a 'ByteString' into a 'Stream Char', using little</span>
<a name="line-229"></a><span class='hs-comment'>-- endian UTF-32 encoding.</span>
<a name="line-230"></a><span class='hs-definition'>streamUtf32LE</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>OnDecodeError</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Char</span>
<a name="line-231"></a><span class='hs-definition'>streamUtf32LE</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>bs0</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Stream</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs0</span> <span class='hs-conid'>S0</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varid'>unknownSize</span>
<a name="line-232"></a>  <span class='hs-keyword'>where</span>
<a name="line-233"></a>    <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-234"></a>      <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>+</span> <span class='hs-num'>3</span> <span class='hs-varop'>&lt;</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-conid'>U32</span><span class='hs-varop'>.</span><span class='hs-varid'>validate</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span>
<a name="line-235"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr32</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-236"></a>      <span class='hs-keyword'>where</span> <span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span>
<a name="line-237"></a>            <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x4</span> <span class='hs-num'>24</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x3</span> <span class='hs-num'>16</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x2</span> <span class='hs-num'>8</span> <span class='hs-varop'>+</span> <span class='hs-varid'>x1</span>
<a name="line-238"></a>            <span class='hs-varid'>x1</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-varid'>i</span>
<a name="line-239"></a>            <span class='hs-varid'>x2</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-240"></a>            <span class='hs-varid'>x3</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>2</span><span class='hs-layout'>)</span>
<a name="line-241"></a>            <span class='hs-varid'>x4</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>idx</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>3</span><span class='hs-layout'>)</span>
<a name="line-242"></a>            <span class='hs-varid'>idx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>.</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word32</span>
<a name="line-243"></a>    <span class='hs-varid'>next</span> <span class='hs-varid'>st</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-244"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-245"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>U32</span><span class='hs-varop'>.</span><span class='hs-varid'>validate</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-246"></a>          <span class='hs-conid'>Yield</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeChr32</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>es</span>
<a name="line-247"></a>        <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>
<a name="line-248"></a>       <span class='hs-keyword'>where</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-conid'>S0</span> <span class='hs-varid'>i</span>
<a name="line-249"></a>             <span class='hs-varid'>c</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Word32</span>
<a name="line-250"></a>             <span class='hs-varid'>c</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shifted</span>
<a name="line-251"></a>              <span class='hs-keyword'>where</span>
<a name="line-252"></a>               <span class='hs-varid'>shifted</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x4</span> <span class='hs-num'>24</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x3</span> <span class='hs-num'>16</span> <span class='hs-varop'>+</span> <span class='hs-varid'>shiftL</span> <span class='hs-varid'>x2</span> <span class='hs-num'>8</span> <span class='hs-varop'>+</span> <span class='hs-varid'>x1</span>
<a name="line-253"></a>               <span class='hs-varid'>x1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w1</span>
<a name="line-254"></a>               <span class='hs-varid'>x2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w2</span>
<a name="line-255"></a>               <span class='hs-varid'>x3</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w3</span>
<a name="line-256"></a>               <span class='hs-varid'>x4</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w4</span>
<a name="line-257"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Chunk</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>rest</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span>
<a name="line-258"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&gt;=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>ps</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>rest</span> <span class='hs-varid'>s</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span>
<a name="line-259"></a>        <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span>
<a name="line-260"></a>      <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-261"></a>        <span class='hs-conid'>S0</span>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>          <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-262"></a>        <span class='hs-conid'>S1</span> <span class='hs-varid'>w1</span>          <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-263"></a>        <span class='hs-conid'>S2</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>    <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-264"></a>        <span class='hs-conid'>S3</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>next</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-265"></a>        <span class='hs-conid'>S4</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf32LE"</span> <span class='hs-str'>"UTF-32LE"</span> <span class='hs-varid'>onErr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>w1</span><span class='hs-layout'>)</span>
<a name="line-266"></a>                           <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-conid'>S3</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>w3</span> <span class='hs-varid'>w4</span><span class='hs-layout'>)</span>       <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-267"></a>        <span class='hs-keyword'>where</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-varid'>unsafeIndex</span> <span class='hs-varid'>ps</span> <span class='hs-varid'>i</span>
<a name="line-268"></a>    <span class='hs-varid'>consume</span> <span class='hs-layout'>(</span><span class='hs-conid'>T</span> <span class='hs-conid'>Empty</span> <span class='hs-conid'>S0</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Done</span>
<a name="line-269"></a>    <span class='hs-varid'>consume</span> <span class='hs-varid'>st</span>             <span class='hs-keyglyph'>=</span> <span class='hs-varid'>decodeError</span> <span class='hs-str'>"streamUtf32LE"</span> <span class='hs-str'>"UTF-32LE"</span> <span class='hs-varid'>onErr</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>st</span>
<a name="line-270"></a><span class='hs-comment'>{-# INLINE [0] streamUtf32LE #-}</span>
<a name="line-271"></a>
<a name="line-272"></a><a name="unstreamChunks"></a><span class='hs-comment'>-- | /O(n)/ Convert a 'Stream' 'Word8' to a lazy 'ByteString'.</span>
<a name="line-273"></a><span class='hs-definition'>unstreamChunks</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span>
<a name="line-274"></a><span class='hs-definition'>unstreamChunks</span> <span class='hs-varid'>chunkSize</span> <span class='hs-layout'>(</span><span class='hs-conid'>Stream</span> <span class='hs-varid'>next</span> <span class='hs-varid'>s0</span> <span class='hs-varid'>len0</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>chunk</span> <span class='hs-varid'>s0</span> <span class='hs-layout'>(</span><span class='hs-varid'>upperBound</span> <span class='hs-num'>4</span> <span class='hs-varid'>len0</span><span class='hs-layout'>)</span>
<a name="line-275"></a>  <span class='hs-keyword'>where</span> <span class='hs-varid'>chunk</span> <span class='hs-varid'>s1</span> <span class='hs-varid'>len1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafePerformIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-276"></a>          <span class='hs-keyword'>let</span> <span class='hs-varid'>len</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>max</span> <span class='hs-num'>4</span> <span class='hs-layout'>(</span><span class='hs-varid'>min</span> <span class='hs-varid'>len1</span> <span class='hs-varid'>chunkSize</span><span class='hs-layout'>)</span>
<a name="line-277"></a>          <span class='hs-varid'>mallocByteString</span> <span class='hs-varid'>len</span> <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>len</span> <span class='hs-num'>0</span> <span class='hs-varid'>s1</span>
<a name="line-278"></a>          <span class='hs-keyword'>where</span>
<a name="line-279"></a>            <span class='hs-varid'>loop</span> <span class='hs-varop'>!</span><span class='hs-varid'>n</span> <span class='hs-varop'>!</span><span class='hs-varid'>off</span> <span class='hs-varop'>!</span><span class='hs-varid'>s</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>next</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-280"></a>                <span class='hs-conid'>Done</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>off</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Empty</span>
<a name="line-281"></a>                     <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Chunk</span> <span class='hs-layout'>(</span><span class='hs-varid'>trimUp</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>off</span><span class='hs-layout'>)</span> <span class='hs-conid'>Empty</span>
<a name="line-282"></a>                <span class='hs-conid'>Skip</span> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>loop</span> <span class='hs-varid'>n</span> <span class='hs-varid'>off</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>fp</span>
<a name="line-283"></a>                <span class='hs-conid'>Yield</span> <span class='hs-varid'>x</span> <span class='hs-varid'>s'</span>
<a name="line-284"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>off</span> <span class='hs-varop'>==</span> <span class='hs-varid'>chunkSize</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-285"></a>                      <span class='hs-keyword'>let</span> <span class='hs-varop'>!</span><span class='hs-varid'>newLen</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-varid'>off</span>
<a name="line-286"></a>                      <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-conid'>Chunk</span> <span class='hs-layout'>(</span><span class='hs-varid'>trimUp</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>off</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>chunk</span> <span class='hs-varid'>s</span> <span class='hs-varid'>newLen</span><span class='hs-layout'>)</span>
<a name="line-287"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>off</span> <span class='hs-varop'>==</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>realloc</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>n</span> <span class='hs-varid'>off</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>x</span>
<a name="line-288"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-289"></a>                      <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>fp</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>pokeByteOff</span> <span class='hs-varid'>p</span> <span class='hs-varid'>off</span> <span class='hs-varid'>x</span>
<a name="line-290"></a>                      <span class='hs-varid'>loop</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-varid'>off</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>s'</span> <span class='hs-varid'>fp</span>
<a name="line-291"></a>            <span class='hs-comment'>{-# NOINLINE realloc #-}</span>
<a name="line-292"></a>            <span class='hs-varid'>realloc</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>n</span> <span class='hs-varid'>off</span> <span class='hs-varid'>s</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-293"></a>              <span class='hs-keyword'>let</span> <span class='hs-varid'>n'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>min</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>+</span><span class='hs-varid'>n</span><span class='hs-layout'>)</span> <span class='hs-varid'>chunkSize</span>
<a name="line-294"></a>              <span class='hs-varid'>fp'</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>copy0</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>n</span> <span class='hs-varid'>n'</span>
<a name="line-295"></a>              <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>fp'</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>pokeByteOff</span> <span class='hs-varid'>p</span> <span class='hs-varid'>off</span> <span class='hs-varid'>x</span>
<a name="line-296"></a>              <span class='hs-varid'>loop</span> <span class='hs-varid'>n'</span> <span class='hs-layout'>(</span><span class='hs-varid'>off</span><span class='hs-varop'>+</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-varid'>fp'</span>
<a name="line-297"></a>            <span class='hs-varid'>trimUp</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>off</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>PS</span> <span class='hs-varid'>fp</span> <span class='hs-num'>0</span> <span class='hs-varid'>off</span>
<a name="line-298"></a>            <span class='hs-varid'>copy0</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ForeignPtr</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span>
<a name="line-299"></a>            <span class='hs-varid'>copy0</span> <span class='hs-varop'>!</span><span class='hs-varid'>src</span> <span class='hs-varop'>!</span><span class='hs-varid'>srcLen</span> <span class='hs-varop'>!</span><span class='hs-varid'>destLen</span> <span class='hs-keyglyph'>=</span>
<a name="line-300"></a><span class='hs-cpp'>#if defined(ASSERTS)</span>
<a name="line-301"></a>              <span class='hs-varid'>assert</span> <span class='hs-layout'>(</span><span class='hs-varid'>srcLen</span> <span class='hs-varop'>&lt;=</span> <span class='hs-varid'>destLen</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-302"></a><span class='hs-cpp'>#endif</span>
<a name="line-303"></a>              <span class='hs-keyword'>do</span>
<a name="line-304"></a>                <span class='hs-varid'>dest</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>mallocByteString</span> <span class='hs-varid'>destLen</span>
<a name="line-305"></a>                <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>src</span>  <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>src'</span>  <span class='hs-keyglyph'>-&gt;</span>
<a name="line-306"></a>                    <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>dest</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>dest'</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-307"></a>                        <span class='hs-varid'>memcpy</span> <span class='hs-varid'>dest'</span> <span class='hs-varid'>src'</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>srcLen</span><span class='hs-layout'>)</span>
<a name="line-308"></a>                <span class='hs-varid'>return</span> <span class='hs-varid'>dest</span>
<a name="line-309"></a>
<a name="line-310"></a><a name="unstream"></a><span class='hs-comment'>-- | /O(n)/ Convert a 'Stream' 'Word8' to a lazy 'ByteString'.</span>
<a name="line-311"></a><span class='hs-definition'>unstream</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Stream</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ByteString</span>
<a name="line-312"></a><span class='hs-definition'>unstream</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unstreamChunks</span> <span class='hs-varid'>defaultChunkSize</span>
<a name="line-313"></a>
<a name="line-314"></a><a name="decodeError"></a><span class='hs-definition'>decodeError</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>s</span><span class='hs-varop'>.</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>OnDecodeError</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word8</span>
<a name="line-315"></a>            <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Step</span> <span class='hs-varid'>s</span> <span class='hs-conid'>Char</span>
<a name="line-316"></a><span class='hs-definition'>decodeError</span> <span class='hs-varid'>func</span> <span class='hs-varid'>kind</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>mb</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span>
<a name="line-317"></a>    <span class='hs-keyword'>case</span> <span class='hs-varid'>onErr</span> <span class='hs-varid'>desc</span> <span class='hs-varid'>mb</span> <span class='hs-keyword'>of</span>
<a name="line-318"></a>      <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Skip</span> <span class='hs-varid'>i</span>
<a name="line-319"></a>      <span class='hs-conid'>Just</span> <span class='hs-varid'>c</span>  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Yield</span> <span class='hs-varid'>c</span> <span class='hs-varid'>i</span>
<a name="line-320"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>desc</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Data.Text.Lazy.Encoding.Fusion."</span> <span class='hs-varop'>++</span> <span class='hs-varid'>func</span> <span class='hs-varop'>++</span> <span class='hs-str'>": Invalid "</span> <span class='hs-varop'>++</span>
<a name="line-321"></a>                 <span class='hs-varid'>kind</span> <span class='hs-varop'>++</span> <span class='hs-str'>" stream"</span>
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