1 files changed, 109 insertions, 0 deletions
diff --git a/deps/v8/src/apinatives.js b/deps/v8/src/apinatives.js
new file mode 100644
index 0000000000..2981eec598
--- /dev/null
+++ b/deps/v8/src/apinatives.js
@@ -0,0 +1,109 @@
+// Copyright 2006-2008 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// This file contains infrastructure used by the API.  See
+// v8natives.js for an explanation of these files are processed and
+// loaded.
+
+
+function CreateDate(time) {
+  var date = new ORIGINAL_DATE();
+  date.setTime(time);
+  return date;
+}
+
+
+const kApiFunctionCache = {};
+const functionCache = kApiFunctionCache;
+
+
+function Instantiate(data, name) {
+  if (!%IsTemplate(data)) return data;
+  var tag = %GetTemplateField(data, kApiTagOffset);
+  switch (tag) {
+    case kFunctionTag:
+      return InstantiateFunction(data, name);
+    case kNewObjectTag:
+      var Constructor = %GetTemplateField(data, kApiConstructorOffset);
+      var result = Constructor ? new (Instantiate(Constructor))() : {};
+      ConfigureTemplateInstance(result, data);
+      return result;
+    default:
+      throw 'Unknown API tag <' + tag + '>';
+  }
+}
+
+
+function InstantiateFunction(data, name) {
+  // We need a reference to kApiFunctionCache in the stack frame
+  // if we need to bail out from a stack overflow.
+  var cache = kApiFunctionCache;
+  var serialNumber = %GetTemplateField(data, kApiSerialNumberOffset);
+  var isFunctionCached =
+   (serialNumber in cache) && (cache[serialNumber] != kUninitialized);
+  if (!isFunctionCached) {
+    try {
+      cache[serialNumber] = null;
+      var fun = %CreateApiFunction(data);
+      if (name) %FunctionSetName(fun, name);
+      cache[serialNumber] = fun;
+      var prototype = %GetTemplateField(data, kApiPrototypeTemplateOffset);
+      fun.prototype = prototype ? Instantiate(prototype) : {};
+      %SetProperty(fun.prototype, "constructor", fun, DONT_ENUM);
+      var parent = %GetTemplateField(data, kApiParentTemplateOffset);
+      if (parent) {
+        var parent_fun = Instantiate(parent);
+        fun.prototype.__proto__ = parent_fun.prototype;
+      }
+      ConfigureTemplateInstance(fun, data);
+    } catch (e) {
+      cache[serialNumber] = kUninitialized;
+      throw e;
+    }
+  }
+  return cache[serialNumber];
+}
+
+
+function ConfigureTemplateInstance(obj, data) {
+  var properties = %GetTemplateField(data, kApiPropertyListOffset);
+  if (properties) {
+    // Disable access checks while instantiating the object.
+    var requires_access_checks = %DisableAccessChecks(obj);
+    try {
+      for (var i = 0; i < properties[0]; i += 3) {
+        var name = properties[i + 1];
+        var prop_data = properties[i + 2];
+        var attributes = properties[i + 3];
+        var value = Instantiate(prop_data, name);
+        %SetProperty(obj, name, value, attributes);
+      }
+    } finally {
+      if (requires_access_checks) %EnableAccessChecks(obj);
+    }
+  }
+}