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<pre><a name="line-1"></a><span class='hs-comment'>{-# OPTIONS_GHC -#include "HsBase.h" #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# OPTIONS_GHC -w #-}</span> <span class='hs-varop'>--tmp</span>
<a name="line-3"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-4"></a><span class='hs-comment'>-- |</span>
<a name="line-5"></a><span class='hs-comment'>-- Module : Data.Array.IO</span>
<a name="line-6"></a><span class='hs-comment'>-- Copyright : (c) The University of Glasgow 2001</span>
<a name="line-7"></a><span class='hs-comment'>-- License : BSD-style (see the file libraries/base/LICENSE)</span>
<a name="line-8"></a><span class='hs-comment'>-- </span>
<a name="line-9"></a><span class='hs-comment'>-- Maintainer : libraries@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 : non-portable (uses Data.Array.MArray)</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- Mutable boxed and unboxed arrays in the IO monad.</span>
<a name="line-14"></a><span class='hs-comment'>--</span>
<a name="line-15"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span>
<a name="line-18"></a> <span class='hs-comment'>-- * @IO@ arrays with boxed elements</span>
<a name="line-19"></a> <span class='hs-conid'>IOArray</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- instance of: Eq, Typeable</span>
<a name="line-20"></a>
<a name="line-21"></a> <span class='hs-comment'>-- * @IO@ arrays with unboxed elements</span>
<a name="line-22"></a> <span class='hs-conid'>IOUArray</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- instance of: Eq, Typeable</span>
<a name="line-23"></a> <span class='hs-varid'>castIOUArray</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- :: IOUArray i a -> IO (IOUArray i b)</span>
<a name="line-24"></a>
<a name="line-25"></a> <span class='hs-comment'>-- * Overloaded mutable array interface</span>
<a name="line-26"></a> <span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>MArray</span><span class='hs-layout'>,</span>
<a name="line-27"></a>
<a name="line-28"></a> <span class='hs-comment'>-- * Doing I\/O with @IOUArray@s</span>
<a name="line-29"></a> <span class='hs-varid'>hGetArray</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- :: Handle -> IOUArray Int Word8 -> Int -> IO Int</span>
<a name="line-30"></a> <span class='hs-varid'>hPutArray</span><span class='hs-layout'>,</span> <span class='hs-comment'>-- :: Handle -> IOUArray Int Word8 -> Int -> IO ()</span>
<a name="line-31"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a>
<a name="line-33"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Internals</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'>Array</span><span class='hs-varop'>.</span><span class='hs-conid'>MArray</span>
<a name="line-36"></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'>Error</span>
<a name="line-37"></a>
<a name="line-38"></a><span class='hs-cpp'>#ifdef __GLASGOW_HASKELL__</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span>
<a name="line-41"></a>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Exts</span> <span class='hs-layout'>(</span><span class='hs-conid'>MutableByteArray</span><span class='hs-cpp'>#</span><span class='hs-layout'>,</span> <span class='hs-conid'>RealWorld</span><span class='hs-layout'>)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>Arr</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>IORef</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Buffer</span>
<a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span>
<a name="line-48"></a>
<a name="line-49"></a><span class='hs-cpp'>#else</span>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span>
<a name="line-51"></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>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span>
<a name="line-53"></a><span class='hs-cpp'>#endif</span>
<a name="line-54"></a>
<a name="line-55"></a><span class='hs-cpp'>#ifdef __GLASGOW_HASKELL__</span>
<a name="line-56"></a><span class='hs-comment'>-- ---------------------------------------------------------------------------</span>
<a name="line-57"></a><span class='hs-comment'>-- hGetArray</span>
<a name="line-58"></a>
<a name="line-59"></a><a name="hGetArray"></a><span class='hs-comment'>-- | Reads a number of 'Word8's from the specified 'Handle' directly</span>
<a name="line-60"></a><span class='hs-comment'>-- into an array.</span>
<a name="line-61"></a><span class='hs-definition'>hGetArray</span>
<a name="line-62"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span> <span class='hs-comment'>-- ^ Handle to read from</span>
<a name="line-63"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOUArray</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Word8</span> <span class='hs-comment'>-- ^ Array in which to place the values</span>
<a name="line-64"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Number of 'Word8's to read</span>
<a name="line-65"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Int</span>
<a name="line-66"></a> <span class='hs-comment'>-- ^ Returns: the number of 'Word8's actually </span>
<a name="line-67"></a> <span class='hs-comment'>-- read, which might be smaller than the number requested</span>
<a name="line-68"></a> <span class='hs-comment'>-- if the end of file was reached.</span>
<a name="line-69"></a>
<a name="line-70"></a><span class='hs-definition'>hGetArray</span> <span class='hs-varid'>handle</span> <span class='hs-layout'>(</span><span class='hs-conid'>IOUArray</span> <span class='hs-layout'>(</span><span class='hs-conid'>STUArray</span> <span class='hs-sel'>_l</span> <span class='hs-sel'>_u</span> <span class='hs-varid'>n</span> <span class='hs-varid'>ptr</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>count</span>
<a name="line-71"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>count</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-num'>0</span>
<a name="line-72"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>count</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-varop'>||</span> <span class='hs-varid'>count</span> <span class='hs-varop'>></span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>illegalBufferSize</span> <span class='hs-varid'>handle</span> <span class='hs-str'>"hGetArray"</span> <span class='hs-varid'>count</span>
<a name="line-73"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-74"></a> <span class='hs-comment'>-- we would like to read directly into the buffer, but we can't</span>
<a name="line-75"></a> <span class='hs-comment'>-- be sure that the MutableByteArray# is pinned, so we have to</span>
<a name="line-76"></a> <span class='hs-comment'>-- allocate a separate area of memory and copy.</span>
<a name="line-77"></a> <span class='hs-varid'>allocaBytes</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-78"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>hGetBuf</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>p</span> <span class='hs-varid'>n</span>
<a name="line-79"></a> <span class='hs-varid'>memcpy_ba_ptr</span> <span class='hs-varid'>ptr</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span>
<a name="line-80"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>r</span>
<a name="line-81"></a>
<a name="line-82"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"memcpy"</span>
<a name="line-83"></a> <span class='hs-varid'>memcpy_ba_ptr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MutableByteArray</span><span class='hs-cpp'>#</span> <span class='hs-conid'>RealWorld</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-84"></a>
<a name="line-85"></a><span class='hs-comment'>-- ---------------------------------------------------------------------------</span>
<a name="line-86"></a><span class='hs-comment'>-- hPutArray</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="hPutArray"></a><span class='hs-comment'>-- | Writes an array of 'Word8' to the specified 'Handle'.</span>
<a name="line-89"></a><span class='hs-definition'>hPutArray</span>
<a name="line-90"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span> <span class='hs-comment'>-- ^ Handle to write to</span>
<a name="line-91"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOUArray</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Word8</span> <span class='hs-comment'>-- ^ Array to write from</span>
<a name="line-92"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Number of 'Word8's to write</span>
<a name="line-93"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-94"></a>
<a name="line-95"></a><span class='hs-definition'>hPutArray</span> <span class='hs-varid'>handle</span> <span class='hs-layout'>(</span><span class='hs-conid'>IOUArray</span> <span class='hs-layout'>(</span><span class='hs-conid'>STUArray</span> <span class='hs-sel'>_l</span> <span class='hs-sel'>_u</span> <span class='hs-varid'>n</span> <span class='hs-varid'>raw</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>count</span>
<a name="line-96"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>count</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>count</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-varop'>||</span> <span class='hs-varid'>count</span> <span class='hs-varop'>></span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>illegalBufferSize</span> <span class='hs-varid'>handle</span> <span class='hs-str'>"hPutArray"</span> <span class='hs-varid'>count</span>
<a name="line-98"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-99"></a> <span class='hs-comment'>-- as in hGetArray, we would like to use the array directly, but</span>
<a name="line-100"></a> <span class='hs-comment'>-- we can't be sure that the MutableByteArray# is pinned.</span>
<a name="line-101"></a> <span class='hs-varid'>allocaBytes</span> <span class='hs-varid'>n</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-102"></a> <span class='hs-varid'>memcpy_ptr_ba</span> <span class='hs-varid'>p</span> <span class='hs-varid'>raw</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span>
<a name="line-103"></a> <span class='hs-varid'>hPutBuf</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>p</span> <span class='hs-varid'>n</span>
<a name="line-104"></a>
<a name="line-105"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>unsafe</span> <span class='hs-str'>"memcpy"</span>
<a name="line-106"></a> <span class='hs-varid'>memcpy_ptr_ba</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>MutableByteArray</span><span class='hs-cpp'>#</span> <span class='hs-conid'>RealWorld</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span>
<a name="line-107"></a>
<a name="line-108"></a><span class='hs-comment'>-- ---------------------------------------------------------------------------</span>
<a name="line-109"></a><span class='hs-comment'>-- Internal Utils</span>
<a name="line-110"></a>
<a name="line-111"></a><a name="illegalBufferSize"></a><span class='hs-definition'>illegalBufferSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-112"></a><span class='hs-definition'>illegalBufferSize</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>fn</span> <span class='hs-varid'>sz</span> <span class='hs-keyglyph'>=</span>
<a name="line-113"></a> <span class='hs-varid'>ioException</span> <span class='hs-layout'>(</span><span class='hs-varid'>ioeSetErrorString</span>
<a name="line-114"></a> <span class='hs-layout'>(</span><span class='hs-varid'>mkIOError</span> <span class='hs-conid'>InvalidArgument</span> <span class='hs-varid'>fn</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>handle</span><span class='hs-layout'>)</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-115"></a> <span class='hs-layout'>(</span><span class='hs-str'>"illegal buffer size "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showsPrec</span> <span class='hs-num'>9</span> <span class='hs-layout'>(</span><span class='hs-varid'>sz</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-116"></a>
<a name="line-117"></a><span class='hs-cpp'>#else /* !__GLASGOW_HASKELL__ */</span>
<a name="line-118"></a><span class='hs-definition'>hGetArray</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOUArray</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Int</span>
<a name="line-119"></a><span class='hs-definition'>hGetArray</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>arr</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-120"></a> <span class='hs-varid'>bds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getBounds</span> <span class='hs-varid'>arr</span>
<a name="line-121"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>count</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-varop'>||</span> <span class='hs-varid'>count</span> <span class='hs-varop'>></span> <span class='hs-varid'>rangeSize</span> <span class='hs-varid'>bds</span>
<a name="line-122"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>illegalBufferSize</span> <span class='hs-varid'>handle</span> <span class='hs-str'>"hGetArray"</span> <span class='hs-varid'>count</span>
<a name="line-123"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>get</span> <span class='hs-num'>0</span>
<a name="line-124"></a> <span class='hs-keyword'>where</span>
<a name="line-125"></a> <span class='hs-varid'>get</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>==</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>i</span>
<a name="line-126"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-127"></a> <span class='hs-varid'>error_or_c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>try</span> <span class='hs-layout'>(</span><span class='hs-varid'>hGetChar</span> <span class='hs-varid'>handle</span><span class='hs-layout'>)</span>
<a name="line-128"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>error_or_c</span> <span class='hs-keyword'>of</span>
<a name="line-129"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>ex</span>
<a name="line-130"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isEOFError</span> <span class='hs-varid'>ex</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varid'>i</span>
<a name="line-131"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ioError</span> <span class='hs-varid'>ex</span>
<a name="line-132"></a> <span class='hs-conid'>Right</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-133"></a> <span class='hs-varid'>unsafeWrite</span> <span class='hs-varid'>arr</span> <span class='hs-varid'>i</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>ord</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-134"></a> <span class='hs-varid'>get</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-135"></a>
<a name="line-136"></a><span class='hs-definition'>hPutArray</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOUArray</span> <span class='hs-conid'>Int</span> <span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-137"></a><span class='hs-definition'>hPutArray</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>arr</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-138"></a> <span class='hs-varid'>bds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getBounds</span> <span class='hs-varid'>arr</span>
<a name="line-139"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>count</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-varop'>||</span> <span class='hs-varid'>count</span> <span class='hs-varop'>></span> <span class='hs-varid'>rangeSize</span> <span class='hs-varid'>bds</span>
<a name="line-140"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>illegalBufferSize</span> <span class='hs-varid'>handle</span> <span class='hs-str'>"hPutArray"</span> <span class='hs-varid'>count</span>
<a name="line-141"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>put</span> <span class='hs-num'>0</span>
<a name="line-142"></a> <span class='hs-keyword'>where</span>
<a name="line-143"></a> <span class='hs-varid'>put</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'>==</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-144"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-145"></a> <span class='hs-varid'>w</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>unsafeRead</span> <span class='hs-varid'>arr</span> <span class='hs-varid'>i</span>
<a name="line-146"></a> <span class='hs-varid'>hPutChar</span> <span class='hs-varid'>handle</span> <span class='hs-layout'>(</span><span class='hs-varid'>chr</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-147"></a> <span class='hs-varid'>put</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-148"></a>
<a name="line-149"></a><span class='hs-definition'>illegalBufferSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-150"></a><span class='hs-definition'>illegalBufferSize</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>fn</span> <span class='hs-varid'>sz</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ioError</span> <span class='hs-varop'>$</span>
<a name="line-151"></a> <span class='hs-varid'>userError</span> <span class='hs-layout'>(</span><span class='hs-varid'>fn</span> <span class='hs-varop'>++</span> <span class='hs-str'>": illegal buffer size "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>showsPrec</span> <span class='hs-num'>9</span> <span class='hs-layout'>(</span><span class='hs-varid'>sz</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-152"></a><span class='hs-cpp'>#endif /* !__GLASGOW_HASKELL__ */</span>
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