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<pre><a name="line-1"></a><span class='hs-comment'>--------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : Text.JSON.String</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Galois, Inc. 2007-2009</span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD3</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer: Sigbjorn Finne <sof@galois.com></span>
<a name="line-8"></a><span class='hs-comment'>-- Stability : provisional</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability: portable</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>--------------------------------------------------------------------</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- Basic support for working with JSON values.</span>
<a name="line-14"></a><span class='hs-comment'>--</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>JSON</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span>
<a name="line-17"></a> <span class='hs-layout'>(</span>
<a name="line-18"></a> <span class='hs-comment'>-- * Parsing</span>
<a name="line-19"></a> <span class='hs-comment'>--</span>
<a name="line-20"></a> <span class='hs-conid'>GetJSON</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>runGetJSON</span>
<a name="line-22"></a>
<a name="line-23"></a> <span class='hs-comment'>-- ** Reading JSON</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSNull</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSBool</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSString</span>
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSRational</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSArray</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSObject</span>
<a name="line-30"></a>
<a name="line-31"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSValue</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readJSTopType</span>
<a name="line-33"></a>
<a name="line-34"></a> <span class='hs-comment'>-- ** Writing JSON</span>
<a name="line-35"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSNull</span>
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSBool</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSArray</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSObject</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSRational</span>
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSRational'</span>
<a name="line-41"></a>
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSValue</span>
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showJSTopType</span>
<a name="line-44"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-45"></a>
<a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>JSON</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span> <span class='hs-layout'>(</span><span class='hs-conid'>JSValue</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-47"></a> <span class='hs-conid'>JSString</span><span class='hs-layout'>,</span> <span class='hs-varid'>toJSString</span><span class='hs-layout'>,</span> <span class='hs-varid'>fromJSString</span><span class='hs-layout'>,</span>
<a name="line-48"></a> <span class='hs-conid'>JSObject</span><span class='hs-layout'>,</span> <span class='hs-varid'>toJSObject</span><span class='hs-layout'>,</span> <span class='hs-varid'>fromJSObject</span><span class='hs-layout'>)</span>
<a name="line-49"></a>
<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'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftM</span><span class='hs-layout'>)</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'>Char</span> <span class='hs-layout'>(</span><span class='hs-varid'>isSpace</span><span class='hs-layout'>,</span> <span class='hs-varid'>isDigit</span><span class='hs-layout'>,</span> <span class='hs-varid'>digitToInt</span><span class='hs-layout'>)</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ratio</span> <span class='hs-layout'>(</span><span class='hs-varid'>numerator</span><span class='hs-layout'>,</span> <span class='hs-varid'>denominator</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>%</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Numeric</span> <span class='hs-layout'>(</span><span class='hs-varid'>readHex</span><span class='hs-layout'>,</span> <span class='hs-varid'>readDec</span><span class='hs-layout'>,</span> <span class='hs-varid'>showHex</span><span class='hs-layout'>)</span>
<a name="line-54"></a>
<a name="line-55"></a><span class='hs-comment'>-- -----------------------------------------------------------------</span>
<a name="line-56"></a><span class='hs-comment'>-- | Parsing JSON</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="GetJSON"></a><span class='hs-comment'>-- | The type of JSON parsers for String</span>
<a name="line-59"></a><a name="GetJSON"></a><span class='hs-keyword'>newtype</span> <span class='hs-conid'>GetJSON</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GetJSON</span> <span class='hs-layout'>{</span> <span class='hs-varid'>un</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-conid'>String</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
<a name="line-60"></a>
<a name="line-61"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Functor</span> <span class='hs-conid'>GetJSON</span> <span class='hs-keyword'>where</span> <span class='hs-varid'>fmap</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftM</span>
<a name="line-62"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Monad</span> <span class='hs-conid'>GetJSON</span> <span class='hs-keyword'>where</span>
<a name="line-63"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GetJSON</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-64"></a> <span class='hs-varid'>fail</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GetJSON</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-65"></a> <span class='hs-conid'>GetJSON</span> <span class='hs-varid'>m</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GetJSON</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-66"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varid'>err</span>
<a name="line-67"></a> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>s1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>un</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>s1</span><span class='hs-layout'>)</span>
<a name="line-68"></a>
<a name="line-69"></a><a name="runGetJSON"></a><span class='hs-comment'>-- | Run a JSON reader on an input String, returning some Haskell value.</span>
<a name="line-70"></a><span class='hs-comment'>-- All input will be consumed.</span>
<a name="line-71"></a><span class='hs-definition'>runGetJSON</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-varid'>a</span>
<a name="line-72"></a><span class='hs-definition'>runGetJSON</span> <span class='hs-layout'>(</span><span class='hs-conid'>GetJSON</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>m</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-73"></a> <span class='hs-conid'>Left</span> <span class='hs-varid'>err</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varid'>err</span>
<a name="line-74"></a> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>t</span> <span class='hs-keyword'>of</span>
<a name="line-75"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-varid'>a</span>
<a name="line-76"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Left</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Invalid tokens at end of JSON string: "</span><span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-layout'>(</span><span class='hs-varid'>take</span> <span class='hs-num'>10</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="getInput"></a><span class='hs-definition'>getInput</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>String</span>
<a name="line-79"></a><span class='hs-definition'>getInput</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GetJSON</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-varid'>s</span><span class='hs-layout'>,</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="setInput"></a><span class='hs-definition'>setInput</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>()</span>
<a name="line-82"></a><span class='hs-definition'>setInput</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GetJSON</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Right</span> <span class='hs-layout'>(</span><span class='hs-conid'>()</span><span class='hs-layout'>,</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="<$>"></a><span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Functor</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-varid'>b</span>
<a name="line-85"></a><a name="x"></a><span class='hs-definition'>x</span> <span class='hs-varop'><$></span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-86"></a>
<a name="line-87"></a><span class='hs-comment'>-------------------------------------------------------------------------</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="context"></a><span class='hs-comment'>-- | Find 8 chars context, for error messages</span>
<a name="line-90"></a><span class='hs-definition'>context</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-91"></a><span class='hs-definition'>context</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>take</span> <span class='hs-num'>8</span> <span class='hs-varid'>s</span>
<a name="line-92"></a>
<a name="line-93"></a><a name="readJSNull"></a><span class='hs-comment'>-- | Read the JSON null type</span>
<a name="line-94"></a><span class='hs-definition'>readJSNull</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-95"></a><span class='hs-definition'>readJSNull</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-96"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-97"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>of</span>
<a name="line-98"></a> <span class='hs-chr'>'n'</span><span class='hs-conop'>:</span><span class='hs-chr'>'u'</span><span class='hs-conop'>:</span><span class='hs-chr'>'l'</span><span class='hs-conop'>:</span><span class='hs-chr'>'l'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>xs1</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>JSNull</span>
<a name="line-99"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON null: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>xs</span>
<a name="line-100"></a>
<a name="line-101"></a><a name="tryJSNull"></a><span class='hs-definition'>tryJSNull</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-102"></a><span class='hs-definition'>tryJSNull</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-103"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-104"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>of</span>
<a name="line-105"></a> <span class='hs-chr'>'n'</span><span class='hs-conop'>:</span><span class='hs-chr'>'u'</span><span class='hs-conop'>:</span><span class='hs-chr'>'l'</span><span class='hs-conop'>:</span><span class='hs-chr'>'l'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>xs1</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>JSNull</span>
<a name="line-106"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>k</span>
<a name="line-107"></a>
<a name="line-108"></a><a name="readJSBool"></a><span class='hs-comment'>-- | Read the JSON Bool type</span>
<a name="line-109"></a><span class='hs-definition'>readJSBool</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-110"></a><span class='hs-definition'>readJSBool</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-111"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-112"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>xs</span> <span class='hs-keyword'>of</span>
<a name="line-113"></a> <span class='hs-chr'>'t'</span><span class='hs-conop'>:</span><span class='hs-chr'>'r'</span><span class='hs-conop'>:</span><span class='hs-chr'>'u'</span><span class='hs-conop'>:</span><span class='hs-chr'>'e'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>xs1</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>JSBool</span> <span class='hs-conid'>True</span><span class='hs-layout'>)</span>
<a name="line-114"></a> <span class='hs-chr'>'f'</span><span class='hs-conop'>:</span><span class='hs-chr'>'a'</span><span class='hs-conop'>:</span><span class='hs-chr'>'l'</span><span class='hs-conop'>:</span><span class='hs-chr'>'s'</span><span class='hs-conop'>:</span><span class='hs-chr'>'e'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs1</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>xs1</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>JSBool</span> <span class='hs-conid'>False</span><span class='hs-layout'>)</span>
<a name="line-115"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON Bool: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>xs</span>
<a name="line-116"></a>
<a name="line-117"></a><a name="readJSString"></a><span class='hs-comment'>-- | Read the JSON String type</span>
<a name="line-118"></a><span class='hs-definition'>readJSString</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-119"></a><span class='hs-definition'>readJSString</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-120"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-121"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-122"></a> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>cs</span>
<a name="line-123"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Malformed JSON: expecting string: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>x</span>
<a name="line-124"></a> <span class='hs-keyword'>where</span>
<a name="line-125"></a> <span class='hs-varid'>parse</span> <span class='hs-varid'>rs</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span>
<a name="line-126"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-127"></a> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>esc</span> <span class='hs-varid'>rs</span> <span class='hs-varid'>c</span> <span class='hs-varid'>ds</span>
<a name="line-128"></a> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>ds</span>
<a name="line-129"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>JSString</span> <span class='hs-layout'>(</span><span class='hs-varid'>toJSString</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-130"></a> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ds</span>
<a name="line-131"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>>=</span> <span class='hs-chr'>'\x20'</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>c</span> <span class='hs-varop'><=</span> <span class='hs-chr'>'\xff'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>ds</span>
<a name="line-132"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'><</span> <span class='hs-chr'>'\x20'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Illegal unescaped character in string: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>cs</span>
<a name="line-133"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>i</span> <span class='hs-varop'><=</span> <span class='hs-num'>0x10ffff</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>ds</span>
<a name="line-134"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Illegal unescaped character in string: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>cs</span>
<a name="line-135"></a> <span class='hs-keyword'>where</span>
<a name="line-136"></a> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromEnum</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span><span class='hs-layout'>)</span>
<a name="line-137"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON String: unterminated String: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>cs</span>
<a name="line-138"></a>
<a name="line-139"></a> <span class='hs-varid'>esc</span> <span class='hs-varid'>rs</span> <span class='hs-varid'>c</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-140"></a> <span class='hs-chr'>'\\'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-141"></a> <span class='hs-chr'>'"'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-142"></a> <span class='hs-chr'>'n'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-143"></a> <span class='hs-chr'>'r'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\r'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-144"></a> <span class='hs-chr'>'t'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\t'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-145"></a> <span class='hs-chr'>'f'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\f'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-146"></a> <span class='hs-chr'>'b'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'\b'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-147"></a> <span class='hs-chr'>'/'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-chr'>'/'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-148"></a> <span class='hs-chr'>'u'</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-149"></a> <span class='hs-varid'>d1</span> <span class='hs-conop'>:</span> <span class='hs-varid'>d2</span> <span class='hs-conop'>:</span> <span class='hs-varid'>d3</span> <span class='hs-conop'>:</span> <span class='hs-varid'>d4</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cs'</span> <span class='hs-keyglyph'>-></span>
<a name="line-150"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>readHex</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>d1</span><span class='hs-layout'>,</span><span class='hs-varid'>d2</span><span class='hs-layout'>,</span><span class='hs-varid'>d3</span><span class='hs-layout'>,</span><span class='hs-varid'>d4</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>of</span>
<a name="line-151"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-layout'>,</span><span class='hs-str'>""</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-varid'>toEnum</span> <span class='hs-varid'>n</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs'</span>
<a name="line-152"></a>
<a name="line-153"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON String: invalid hex: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-154"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON String: invalid hex: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>cs</span>
<a name="line-155"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON String: invalid escape char: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>c</span>
<a name="line-156"></a>
<a name="line-157"></a>
<a name="line-158"></a><a name="readJSRational"></a><span class='hs-comment'>-- | Read an Integer or Double in JSON format, returning a Rational</span>
<a name="line-159"></a><span class='hs-definition'>readJSRational</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>Rational</span>
<a name="line-160"></a><span class='hs-definition'>readJSRational</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-161"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-162"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-163"></a> <span class='hs-chr'>'-'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>negate</span> <span class='hs-varop'><$></span> <span class='hs-varid'>pos</span> <span class='hs-varid'>ds</span>
<a name="line-164"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pos</span> <span class='hs-varid'>cs</span>
<a name="line-165"></a>
<a name="line-166"></a> <span class='hs-keyword'>where</span>
<a name="line-167"></a> <span class='hs-varid'>pos</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON Rational: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-conid'>[]</span>
<a name="line-168"></a> <span class='hs-varid'>pos</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-169"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>of</span>
<a name="line-170"></a> <span class='hs-chr'>'0'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>frac</span> <span class='hs-num'>0</span> <span class='hs-varid'>cs</span>
<a name="line-171"></a> <span class='hs-keyword'>_</span>
<a name="line-172"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>not</span> <span class='hs-layout'>(</span><span class='hs-varid'>isDigit</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON Rational: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>cs</span>
<a name="line-173"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readDigits</span> <span class='hs-layout'>(</span><span class='hs-varid'>digitToIntI</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>cs</span>
<a name="line-174"></a>
<a name="line-175"></a> <span class='hs-varid'>readDigits</span> <span class='hs-varid'>acc</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>frac</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span>
<a name="line-176"></a> <span class='hs-varid'>readDigits</span> <span class='hs-varid'>acc</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-177"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>acc'</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>10</span><span class='hs-varop'>*</span><span class='hs-varid'>acc</span> <span class='hs-varop'>+</span> <span class='hs-varid'>digitToIntI</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>in</span>
<a name="line-178"></a> <span class='hs-varid'>acc'</span> <span class='hs-varop'>`seq`</span> <span class='hs-varid'>readDigits</span> <span class='hs-varid'>acc'</span> <span class='hs-varid'>xs</span>
<a name="line-179"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>frac</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-180"></a>
<a name="line-181"></a> <span class='hs-varid'>frac</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-chr'>'.'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ds</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span>
<a name="line-182"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>span</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>ds</span> <span class='hs-keyword'>of</span>
<a name="line-183"></a> <span class='hs-layout'>(</span><span class='hs-conid'>[]</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>ds</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>n</span>
<a name="line-184"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>as</span><span class='hs-layout'>,</span><span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>let</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>read</span> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span>
<a name="line-185"></a> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>10</span> <span class='hs-varop'>^</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integer</span><span class='hs-layout'>)</span>
<a name="line-186"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>exponent'</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>%</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>bs</span>
<a name="line-187"></a> <span class='hs-varid'>frac</span> <span class='hs-varid'>n</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exponent'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>cs</span>
<a name="line-188"></a>
<a name="line-189"></a> <span class='hs-varid'>exponent'</span> <span class='hs-varid'>n</span> <span class='hs-layout'>(</span><span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span>
<a name="line-190"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'e'</span> <span class='hs-varop'>||</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'E'</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>exp_num</span> <span class='hs-varid'>cs</span>
<a name="line-191"></a> <span class='hs-varid'>exponent'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>n</span>
<a name="line-192"></a>
<a name="line-193"></a> <span class='hs-varid'>exp_num</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>Rational</span>
<a name="line-194"></a> <span class='hs-varid'>exp_num</span> <span class='hs-layout'>(</span><span class='hs-chr'>'+'</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exp_digs</span> <span class='hs-varid'>cs</span>
<a name="line-195"></a> <span class='hs-varid'>exp_num</span> <span class='hs-layout'>(</span><span class='hs-chr'>'-'</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>recip</span> <span class='hs-varop'><$></span> <span class='hs-varid'>exp_digs</span> <span class='hs-varid'>cs</span>
<a name="line-196"></a> <span class='hs-varid'>exp_num</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exp_digs</span> <span class='hs-varid'>cs</span>
<a name="line-197"></a>
<a name="line-198"></a> <span class='hs-varid'>exp_digs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>Rational</span>
<a name="line-199"></a> <span class='hs-varid'>exp_digs</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>readDec</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-200"></a> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>ds</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>ds</span>
<a name="line-201"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-num'>10</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Integer</span><span class='hs-layout'>)</span> <span class='hs-varop'>^</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>::</span><span class='hs-conid'>Integer</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-202"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON exponential: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>cs</span>
<a name="line-203"></a>
<a name="line-204"></a> <span class='hs-varid'>digitToIntI</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span>
<a name="line-205"></a> <span class='hs-varid'>digitToIntI</span> <span class='hs-varid'>ch</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-varid'>digitToInt</span> <span class='hs-varid'>ch</span><span class='hs-layout'>)</span>
<a name="line-206"></a>
<a name="line-207"></a>
<a name="line-208"></a><a name="readJSArray"></a><span class='hs-comment'>-- | Read a list in JSON format</span>
<a name="line-209"></a><span class='hs-definition'>readJSArray</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-210"></a><span class='hs-definition'>readJSArray</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readSequence</span> <span class='hs-chr'>'['</span> <span class='hs-chr'>']'</span> <span class='hs-chr'>','</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-conid'>JSArray</span>
<a name="line-211"></a>
<a name="line-212"></a><a name="readJSObject"></a><span class='hs-comment'>-- | Read an object in JSON format</span>
<a name="line-213"></a><span class='hs-definition'>readJSObject</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-214"></a><span class='hs-definition'>readJSObject</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>readAssocs</span> <span class='hs-chr'>'{'</span> <span class='hs-chr'>'}'</span> <span class='hs-chr'>','</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>.</span> <span class='hs-conid'>JSObject</span> <span class='hs-varop'>.</span> <span class='hs-varid'>toJSObject</span>
<a name="line-215"></a>
<a name="line-216"></a>
<a name="line-217"></a><a name="readSequence"></a><span class='hs-comment'>-- | Read a sequence of items</span>
<a name="line-218"></a><span class='hs-definition'>readSequence</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetJSON</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>JSValue</span><span class='hs-keyglyph'>]</span>
<a name="line-219"></a><span class='hs-definition'>readSequence</span> <span class='hs-varid'>start</span> <span class='hs-varid'>end</span> <span class='hs-varid'>sep</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-220"></a> <span class='hs-varid'>zs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-221"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>zs</span> <span class='hs-keyword'>of</span>
<a name="line-222"></a> <span class='hs-varid'>c</span> <span class='hs-conop'>:</span> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-varid'>start</span> <span class='hs-keyglyph'>-></span>
<a name="line-223"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-224"></a> <span class='hs-varid'>d</span> <span class='hs-conop'>:</span> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>d</span> <span class='hs-varop'>==</span> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ds</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-225"></a> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>ds</span> <span class='hs-varop'>>></span> <span class='hs-varid'>parse</span> <span class='hs-conid'>[]</span>
<a name="line-226"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON sequence: sequence stars with invalid character: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>zs</span>
<a name="line-227"></a>
<a name="line-228"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>parse</span> <span class='hs-varid'>rs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rs</span> <span class='hs-varop'>`seq`</span> <span class='hs-keyword'>do</span>
<a name="line-229"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readJSValue</span>
<a name="line-230"></a> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-231"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ds</span> <span class='hs-keyword'>of</span>
<a name="line-232"></a> <span class='hs-varid'>e</span> <span class='hs-conop'>:</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-varid'>sep</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-233"></a> <span class='hs-varid'>parse</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>rs</span><span class='hs-layout'>)</span>
<a name="line-234"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-235"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>rs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-236"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON array: unterminated array: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>ds</span>
<a name="line-237"></a>
<a name="line-238"></a>
<a name="line-239"></a><a name="readAssocs"></a><span class='hs-comment'>-- | Read a sequence of JSON labelled fields</span>
<a name="line-240"></a><span class='hs-definition'>readAssocs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GetJSON</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>JSValue</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-241"></a><span class='hs-definition'>readAssocs</span> <span class='hs-varid'>start</span> <span class='hs-varid'>end</span> <span class='hs-varid'>sep</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-242"></a> <span class='hs-varid'>zs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-243"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>zs</span> <span class='hs-keyword'>of</span>
<a name="line-244"></a> <span class='hs-varid'>c</span><span class='hs-conop'>:</span><span class='hs-varid'>cs</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>c</span> <span class='hs-varop'>==</span> <span class='hs-varid'>start</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-245"></a> <span class='hs-varid'>d</span><span class='hs-conop'>:</span><span class='hs-varid'>ds</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>d</span> <span class='hs-varop'>==</span> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ds</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-246"></a> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>setInput</span> <span class='hs-varid'>ds</span> <span class='hs-varop'>>></span> <span class='hs-varid'>parsePairs</span> <span class='hs-conid'>[]</span>
<a name="line-247"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Unable to parse JSON object: unterminated object"</span>
<a name="line-248"></a>
<a name="line-249"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>parsePairs</span> <span class='hs-varid'>rs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rs</span> <span class='hs-varop'>`seq`</span> <span class='hs-keyword'>do</span>
<a name="line-250"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>k</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readJSString</span> <span class='hs-layout'>;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-251"></a> <span class='hs-conid'>JSString</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromJSString</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-252"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Malformed JSON field labels: object keys must be quoted strings."</span>
<a name="line-253"></a> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-254"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ds</span> <span class='hs-keyword'>of</span>
<a name="line-255"></a> <span class='hs-chr'>':'</span><span class='hs-conop'>:</span><span class='hs-varid'>es</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-256"></a> <span class='hs-varid'>v</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readJSValue</span>
<a name="line-257"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span><span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-258"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Malformed JSON labelled field: "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>ds</span>
<a name="line-259"></a>
<a name="line-260"></a> <span class='hs-varid'>ds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-261"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>ds</span> <span class='hs-keyword'>of</span>
<a name="line-262"></a> <span class='hs-varid'>e</span> <span class='hs-conop'>:</span> <span class='hs-varid'>es</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-varid'>sep</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-263"></a> <span class='hs-varid'>parsePairs</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>rs</span><span class='hs-layout'>)</span>
<a name="line-264"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>e</span> <span class='hs-varop'>==</span> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-varid'>setInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>isSpace</span> <span class='hs-varid'>es</span><span class='hs-layout'>)</span>
<a name="line-265"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-conop'>:</span><span class='hs-varid'>rs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-266"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Unable to parse JSON object: unterminated sequence: "</span>
<a name="line-267"></a> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>ds</span>
<a name="line-268"></a>
<a name="line-269"></a><a name="readJSValue"></a><span class='hs-comment'>-- | Read one of several possible JS types</span>
<a name="line-270"></a><span class='hs-definition'>readJSValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-271"></a><span class='hs-definition'>readJSValue</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-272"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-273"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-274"></a> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSString</span>
<a name="line-275"></a> <span class='hs-chr'>'['</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSArray</span>
<a name="line-276"></a> <span class='hs-chr'>'{'</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSObject</span>
<a name="line-277"></a> <span class='hs-chr'>'t'</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSBool</span>
<a name="line-278"></a> <span class='hs-chr'>'f'</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSBool</span>
<a name="line-279"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>x</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'-'</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>JSRational</span> <span class='hs-conid'>False</span> <span class='hs-varop'><$></span> <span class='hs-varid'>readJSRational</span>
<a name="line-280"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>tryJSNull</span>
<a name="line-281"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fail</span> <span class='hs-varop'>$</span> <span class='hs-str'>"Malformed JSON: invalid token in this context "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>context</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-282"></a>
<a name="line-283"></a><a name="readJSTopType"></a><span class='hs-comment'>-- | Top level JSON can only be Arrays or Objects</span>
<a name="line-284"></a><span class='hs-definition'>readJSTopType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>GetJSON</span> <span class='hs-conid'>JSValue</span>
<a name="line-285"></a><span class='hs-definition'>readJSTopType</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-286"></a> <span class='hs-varid'>cs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getInput</span>
<a name="line-287"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>cs</span> <span class='hs-keyword'>of</span>
<a name="line-288"></a> <span class='hs-chr'>'['</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSArray</span>
<a name="line-289"></a> <span class='hs-chr'>'{'</span> <span class='hs-conop'>:</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>readJSObject</span>
<a name="line-290"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fail</span> <span class='hs-str'>"Invalid JSON: a JSON text a serialized object or array at the top level."</span>
<a name="line-291"></a>
<a name="line-292"></a><span class='hs-comment'>-- -----------------------------------------------------------------</span>
<a name="line-293"></a><span class='hs-comment'>-- | Writing JSON</span>
<a name="line-294"></a>
<a name="line-295"></a><a name="showJSTopType"></a><span class='hs-comment'>-- | Show strict JSON top level types. Values not permitted</span>
<a name="line-296"></a><span class='hs-comment'>-- at the top level are wrapped in a singleton array.</span>
<a name="line-297"></a><span class='hs-definition'>showJSTopType</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>JSValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-298"></a><span class='hs-definition'>showJSTopType</span> <span class='hs-layout'>(</span><span class='hs-conid'>JSArray</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSArray</span> <span class='hs-varid'>a</span>
<a name="line-299"></a><span class='hs-definition'>showJSTopType</span> <span class='hs-layout'>(</span><span class='hs-conid'>JSObject</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSObject</span> <span class='hs-varid'>o</span>
<a name="line-300"></a><span class='hs-definition'>showJSTopType</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSTopType</span> <span class='hs-varop'>$</span> <span class='hs-conid'>JSArray</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span>
<a name="line-301"></a>
<a name="line-302"></a><a name="showJSValue"></a><span class='hs-comment'>-- | Show JSON values</span>
<a name="line-303"></a><span class='hs-definition'>showJSValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>JSValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-304"></a><span class='hs-definition'>showJSValue</span> <span class='hs-varid'>jv</span> <span class='hs-keyglyph'>=</span>
<a name="line-305"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>jv</span> <span class='hs-keyword'>of</span>
<a name="line-306"></a> <span class='hs-conid'>JSNull</span><span class='hs-layout'>{</span><span class='hs-layout'>}</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showJSNull</span>
<a name="line-307"></a> <span class='hs-conid'>JSBool</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showJSBool</span> <span class='hs-varid'>b</span>
<a name="line-308"></a> <span class='hs-conid'>JSRational</span> <span class='hs-varid'>asF</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showJSRational'</span> <span class='hs-varid'>asF</span> <span class='hs-varid'>r</span>
<a name="line-309"></a> <span class='hs-conid'>JSArray</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showJSArray</span> <span class='hs-varid'>a</span>
<a name="line-310"></a> <span class='hs-conid'>JSString</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showJSString</span> <span class='hs-varid'>s</span>
<a name="line-311"></a> <span class='hs-conid'>JSObject</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>showJSObject</span> <span class='hs-varid'>o</span>
<a name="line-312"></a>
<a name="line-313"></a><a name="showJSNull"></a><span class='hs-comment'>-- | Write the JSON null type</span>
<a name="line-314"></a><span class='hs-definition'>showJSNull</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ShowS</span>
<a name="line-315"></a><span class='hs-definition'>showJSNull</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showString</span> <span class='hs-str'>"null"</span>
<a name="line-316"></a>
<a name="line-317"></a><a name="showJSBool"></a><span class='hs-comment'>-- | Write the JSON Bool type</span>
<a name="line-318"></a><span class='hs-definition'>showJSBool</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-319"></a><span class='hs-definition'>showJSBool</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showString</span> <span class='hs-str'>"true"</span>
<a name="line-320"></a><span class='hs-definition'>showJSBool</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showString</span> <span class='hs-str'>"false"</span>
<a name="line-321"></a>
<a name="line-322"></a><a name="showJSString"></a><span class='hs-comment'>-- | Write the JSON String type</span>
<a name="line-323"></a><span class='hs-definition'>showJSString</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>JSString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-324"></a><span class='hs-definition'>showJSString</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>quote</span> <span class='hs-layout'>(</span><span class='hs-varid'>encJSString</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>quote</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-325"></a> <span class='hs-keyword'>where</span>
<a name="line-326"></a> <span class='hs-varid'>quote</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showChar</span> <span class='hs-chr'>'"'</span>
<a name="line-327"></a>
<a name="line-328"></a><a name="showJSRational"></a><span class='hs-comment'>-- | Show a Rational in JSON format</span>
<a name="line-329"></a><span class='hs-definition'>showJSRational</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rational</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-330"></a><span class='hs-definition'>showJSRational</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSRational'</span> <span class='hs-conid'>False</span> <span class='hs-varid'>r</span>
<a name="line-331"></a>
<a name="line-332"></a><a name="showJSRational'"></a><span class='hs-definition'>showJSRational'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Rational</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-333"></a><span class='hs-definition'>showJSRational'</span> <span class='hs-varid'>asFloat</span> <span class='hs-varid'>r</span>
<a name="line-334"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>denominator</span> <span class='hs-varid'>r</span> <span class='hs-varop'>==</span> <span class='hs-num'>1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shows</span> <span class='hs-varop'>$</span> <span class='hs-varid'>numerator</span> <span class='hs-varid'>r</span>
<a name="line-335"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isInfinite</span> <span class='hs-varid'>x</span> <span class='hs-varop'>||</span> <span class='hs-varid'>isNaN</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSNull</span>
<a name="line-336"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>asFloat</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shows</span> <span class='hs-varid'>xf</span>
<a name="line-337"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>shows</span> <span class='hs-varid'>x</span>
<a name="line-338"></a> <span class='hs-keyword'>where</span>
<a name="line-339"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Double</span>
<a name="line-340"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>realToFrac</span> <span class='hs-varid'>r</span>
<a name="line-341"></a>
<a name="line-342"></a> <span class='hs-varid'>xf</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Float</span>
<a name="line-343"></a> <span class='hs-varid'>xf</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>realToFrac</span> <span class='hs-varid'>r</span>
<a name="line-344"></a>
<a name="line-345"></a>
<a name="line-346"></a>
<a name="line-347"></a><a name="showJSArray"></a><span class='hs-comment'>-- | Show a list in JSON format</span>
<a name="line-348"></a><span class='hs-definition'>showJSArray</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>JSValue</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-349"></a><span class='hs-definition'>showJSArray</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showSequence</span> <span class='hs-chr'>'['</span> <span class='hs-chr'>']'</span> <span class='hs-chr'>','</span>
<a name="line-350"></a>
<a name="line-351"></a><a name="showJSObject"></a><span class='hs-comment'>-- | Show an association list in JSON format</span>
<a name="line-352"></a><span class='hs-definition'>showJSObject</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>JSObject</span> <span class='hs-conid'>JSValue</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-353"></a><span class='hs-definition'>showJSObject</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showAssocs</span> <span class='hs-chr'>'{'</span> <span class='hs-chr'>'}'</span> <span class='hs-chr'>','</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromJSObject</span>
<a name="line-354"></a>
<a name="line-355"></a><a name="showAssocs"></a><span class='hs-comment'>-- | Show a generic sequence of pairs in JSON format</span>
<a name="line-356"></a><span class='hs-definition'>showAssocs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</span><span class='hs-conid'>JSValue</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-357"></a><span class='hs-definition'>showAssocs</span> <span class='hs-varid'>start</span> <span class='hs-varid'>end</span> <span class='hs-varid'>sep</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>start</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>xs</span>
<a name="line-358"></a> <span class='hs-keyword'>where</span>
<a name="line-359"></a> <span class='hs-varid'>go</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span><span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>encJSString</span> <span class='hs-layout'>(</span><span class='hs-varid'>toJSString</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-360"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>':'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>showJSValue</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-361"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>k</span><span class='hs-layout'>,</span><span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-varid'>kvs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>encJSString</span> <span class='hs-layout'>(</span><span class='hs-varid'>toJSString</span> <span class='hs-varid'>k</span><span class='hs-layout'>)</span>
<a name="line-362"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>':'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>showJSValue</span> <span class='hs-varid'>v</span> <span class='hs-layout'>(</span><span class='hs-varid'>sep</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>kvs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-363"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>end</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest</span>
<a name="line-364"></a>
<a name="line-365"></a><a name="showSequence"></a><span class='hs-comment'>-- | Show a generic sequence in JSON format</span>
<a name="line-366"></a><span class='hs-definition'>showSequence</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>JSValue</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-367"></a><span class='hs-definition'>showSequence</span> <span class='hs-varid'>start</span> <span class='hs-varid'>end</span> <span class='hs-varid'>sep</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>rest</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>start</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>xs</span>
<a name="line-368"></a> <span class='hs-keyword'>where</span>
<a name="line-369"></a> <span class='hs-varid'>go</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSValue</span> <span class='hs-varid'>y</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-370"></a> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showJSValue</span> <span class='hs-varid'>y</span> <span class='hs-layout'>(</span><span class='hs-varid'>sep</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-371"></a> <span class='hs-varid'>go</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>end</span> <span class='hs-conop'>:</span> <span class='hs-varid'>rest</span>
<a name="line-372"></a>
<a name="line-373"></a><a name="encJSString"></a><span class='hs-definition'>encJSString</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>JSString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ShowS</span>
<a name="line-374"></a><span class='hs-definition'>encJSString</span> <span class='hs-varid'>jss</span> <span class='hs-varid'>ss</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromJSString</span> <span class='hs-varid'>jss</span><span class='hs-layout'>)</span>
<a name="line-375"></a> <span class='hs-keyword'>where</span>
<a name="line-376"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>s1</span> <span class='hs-keyglyph'>=</span>
<a name="line-377"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>s1</span> <span class='hs-keyword'>of</span>
<a name="line-378"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-chr'>'\x20'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>encControl</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span>
<a name="line-379"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>xs</span>
<a name="line-380"></a> <span class='hs-layout'>(</span><span class='hs-chr'>'\\'</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>xs</span>
<a name="line-381"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>x</span> <span class='hs-conop'>:</span> <span class='hs-varid'>go</span> <span class='hs-varid'>xs</span>
<a name="line-382"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>ss</span>
<a name="line-383"></a>
<a name="line-384"></a> <span class='hs-varid'>encControl</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span>
<a name="line-385"></a> <span class='hs-chr'>'\b'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'b'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-386"></a> <span class='hs-chr'>'\f'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'f'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-387"></a> <span class='hs-chr'>'\n'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'n'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-388"></a> <span class='hs-chr'>'\r'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'r'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-389"></a> <span class='hs-chr'>'\t'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'t'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>xs</span>
<a name="line-390"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-chr'>'\x10'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'u'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'0'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'0'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'0'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>hexxs</span>
<a name="line-391"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-chr'>'\x100'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'u'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'0'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'0'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>hexxs</span>
<a name="line-392"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>x</span> <span class='hs-varop'><</span> <span class='hs-chr'>'\x1000'</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'u'</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'0'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>hexxs</span>
<a name="line-393"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-chr'>'u'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>hexxs</span>
<a name="line-394"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>hexxs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>showHex</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromEnum</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>xs</span>
<a name="line-395"></a>
</pre></body>
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