Eliminate client/json, since we now have lib/json.

client/json/json.js

Index: client/json/json.js
===================================================================
--- client/json/json.js	(revision 4144)
+++ client/json/json.js	(working copy)
@@ -1,186 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-// JavaScript implementation of the native methods declared in json.dart.
-
-// The details of this code depends intimately on how DartC represents
-// Dart values in JavaScript, particularly Maps and null.
-
-function native_JSON_parse(jsonString) {
-  var obj = JSON.parse(jsonString, function(key, value) {
-    return convertJsToDart(value, this);
-  });
-  return obj == null ? $Dart$Null : obj;
-}
-
-// Shallow-converts the parsed JavaScript value into a Dart object, and
-// returns the Dart object.
-// Any component values have already been converted.
-// When converting null, if it's an element of a containing JS array,
-// returns $Dart$Null, otherwise returns null, because returning $Dart$Null ==
-// undefined would signal to JSON.parse that the field should be
-// *deleted*.
-function convertJsToDart(obj, container) {
-  // The following kinds of JS objects have the same representation in Dart:
-  //   boolean, number, string, arrays
-  // Dart null is JS undefined.
-  // Only generic JavaScript objects need to be converted into Dart Maps.
-  // This is done by creating a $Dart$MapLiteralType object, and changing
-  // any JS null values into $Dart$Null.
-  switch (typeof(obj)) {
-    case 'boolean':
-    case 'number':
-    case 'string':
-      return obj;
-
-    case 'object':
-      if (obj == null) {
-        if (container instanceof Array) {
-          return $Dart$Null;
-        } else {
-          // $Dart$Null is set to undefined, which will make JSON.parse
-          // delete the member. We return null here, but will fix it up
-          // later.
-          return null;
-        }
-      } else if (obj instanceof Array) {
-        return obj;
-      } else {
-        return fixupJsObjectToDartMap(obj);
-      }
-
-    default:
-      throw 'unexpected kind of JSON value';
-  }
-}
-
-var $Object_keys = ('keys' in Object) ?
-  function (dict) { return Object.keys(dict); } :
-  function (dict) {
-     var out = [];
-     for (var key in dict) {
-       // TODO(sigmund): remove the propertyIsEnumerable check? That check
-       // ensures that this function returns the same as Object.keys, but seems
-       // unnecessary because this function is only used for user-defined
-       // maps/sets.
-       if (dict.hasOwnProperty(key) && dict.propertyIsEnumerable(key)) {
-         out.push(key);
-       }
-     }
-     return out;
-  };
-
-// Converts the parsed JavaScript Object into a Dart Map.
-function fixupJsObjectToDartMap(obj) {
-  var map = $Dart$MapLiteralFactory();
-  var keys = $Object_keys(obj);
-  for (var i = 0; i < keys.length; i++) {
-    var value = obj[keys[i]];
-    value = (value === null ? $Dart$Null : value);
-    map.ASSIGN_INDEX$operator(keys[i], value);
-  }
-  return map;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-function UnconvertibleException() { }
-
-// Returns whether JSON.stringify appears to fully work.
-function testBrowserHasWorkingStringify() {
-  // Firefox3.6's JSON.stringify is broken; the reviver function's
-  // result isn't used except within arrays.  See
-  // http://skysanders.net/subtext/archive/2010/02/24/confirmed-bug-in-firefox-3.6-native-json-implementation.aspx,
-  // for instance.
-  return JSON.parse(JSON.stringify({works:false}, function(key, value) {
-        return value == false ? true : value;
-      })).works;
-}
-var browserHasWorkingStringify = testBrowserHasWorkingStringify();
-
-function native_JSON_stringify(obj) {
-  var jsonString;
-  if (browserHasWorkingStringify) {
-    jsonString = JSON.stringify(obj, function(key, value) {
-      return convertDartToJs(value);
-    });
-  } else {
-    jsonString = JSON.stringify(convertDartToJs(obj));
-  }
-  return jsonString;
-}
-
-// Converts the Dart object into a JavaScript value, suitable for applying
-// JSON.stringify to.
-// If browserHasWorkingStringify, then converts only shallowly, otherwise
-// converts deeply.
-// Throws UnconvertibleException if the Dart value is not convertible.
-function convertDartToJs(obj) {
-  // The following kinds of Dart objects have the same representation in JS:
-  //   boolean, number, string, arrays
-  // Dart null is JS undefined.
-  // Only Dart Maps need to be converted into JavaScript objects.
-  if (obj == $Dart$Null) {
-    return null;
-  } else if (obj == null) {
-    throw 'not expecting JS-null in a Dart object';
-  } else {
-    switch (typeof obj) {
-      case 'boolean':
-      case 'number':
-      case 'string':
-        return obj;
-      case 'object':
-        if (obj instanceof Array) {
-          return convertDartArrayToJsArray(obj);
-        } else if ($isDartMap(obj)) {
-          return convertDartMapToJsObject(obj);
-        } else {
-          throw new UnconvertibleException();
-        }
-      default:
-        throw 'unexpected kind of Dart value';
-    }
-  }
-}
-
-// Converts the Dart Array into a JavaScript array.
-// If browserHasWorkingStringify, then converts only shallowly, otherwise
-// converts deeply.
-function convertDartArrayToJsArray(arr) {
-  if (browserHasWorkingStringify) {
-    // The array elements will be (or have been) converted separately.
-    return arr;
-  } else {
-    // Need to recursively convert all the array elements.
-    var len = arr.length$getter();
-    var obj = new Array(len);
-    for (var i = 0; i < len; i++) {
-      var elemValue = arr.INDEX$operator(i);
-      obj[i] = convertDartToJs(elemValue);
-    }
-    return obj;
-  }
-}
-
-// Converts the Dart Map into a JavaScript object.
-// If browserHasWorkingStringify, then converts only shallowly, otherwise
-// converts deeply.
-function convertDartMapToJsObject(map) {
-  var valueConverter =
-      browserHasWorkingStringify ? convertDartNullToJsNull : convertDartToJs;
-  var obj = {};
-  var propertyNames = map.getKeys$member();
-  for (var i = 0, len = propertyNames.length$getter(); i < len; i++) {
-    var propertyName = propertyNames.INDEX$operator(i);
-    var propertyValue = map.INDEX$operator(propertyName);
-    obj[propertyName] = valueConverter(propertyValue);
-  }
-  return obj;
-}
-
-// Converts Dart-null to JS-null, otherwise acts like the identity.
-function convertDartNullToJsNull(value) {
-  return value == $Dart$Null ? null : value;
-}