diff options
author | Steve Block <steveblock@google.com> | 2009-10-30 11:49:59 +0000 |
---|---|---|
committer | Steve Block <steveblock@google.com> | 2009-10-30 19:03:37 +0000 |
commit | 20bb23f8cbd4643c5da24601959b015e98374b44 (patch) | |
tree | 743b40f3f7b5b7a4ad2b32906dcea772730a0792 /V8Binding/v8/src/apinatives.js | |
parent | 84191aa5bc11de486d662f98d4d618b179ca45ca (diff) | |
download | external_webkit-20bb23f8cbd4643c5da24601959b015e98374b44.zip external_webkit-20bb23f8cbd4643c5da24601959b015e98374b44.tar.gz external_webkit-20bb23f8cbd4643c5da24601959b015e98374b44.tar.bz2 |
Move V8 to external/v8
Change-Id: I9ef85bb1a4fd0e808ca37ac532803542b6dfb04d
Diffstat (limited to 'V8Binding/v8/src/apinatives.js')
-rw-r--r-- | V8Binding/v8/src/apinatives.js | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/V8Binding/v8/src/apinatives.js b/V8Binding/v8/src/apinatives.js deleted file mode 100644 index 6451e62..0000000 --- a/V8Binding/v8/src/apinatives.js +++ /dev/null @@ -1,110 +0,0 @@ -// 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); - result = %ToFastProperties(result); - 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); - } - } -} |