JSC 💕 ES6
Jun 5, 2017 by Saam Barati, Yusuke Suzuki & Filip Pizlo @saambarati Update: The previous version of this post showed performance data from ARES-6 version 1.0. Version 1.0 had a bug where the score for the Worst 4 Iterations was actually using the first 4 iterations. We have fixed the bug and updated the benchmark to version 1.0.1. The performance results shown in this post now use ARES-6 version 1
Changeset 204058 – WebKit
Show lines around each change Show the changes in full context Timestamp: Aug 2, 2016, 6:28:16 PM (9 years ago) Author: sbarati@apple.com Message: update a class extending null w.r.t the ES7 spec https://bugs.webkit.org/show_bug.cgi?id=160417 Reviewed by Keith Miller. Source/JavaScriptCore: When a class extends null, it should not be marked as a derived class. This was changed in the ES2016 spec,
ECMAScript 6 Proper Tail Calls in WebKit
Proper Tail Calls (PTC) is a new feature in the ECMAScript 6 language. This feature was added to facilitate recursive programming patterns, both for direct and indirect recursion. Various other design patterns can benefit from PTC as well, such as code that wraps some functionality where the wrapping code directly returns the result of what it wraps. Through the use of PTC, the amount of memory ne
ECMAScript 6 in WebKit
ES6 brings a lot of new and interesting language features to JavaScript. ES6 has learned from many of JavaScript’s past mistakes and has crafted new language features that have clearer and easier to understand semantics. let and const are examples of this; they are block scoped declarations and thus not prone to the common errors caused by misunderstanding var scoping semantics. ES6 also includes
Changeset 187890 – WebKit
Show lines around each change Show the changes in full context Timestamp: Aug 4, 2015, 2:26:49 PM (10 years ago) Author: Yusuke Suzuki Message: [ES6] Support Module Syntax https://bugs.webkit.org/show_bug.cgi?id=147422 Reviewed by Saam Barati. Source/JavaScriptCore: This patch introduces ES6 Modules syntax parsing part. In this patch, ASTBuilder just produces the corresponding nodes to the ES6 Mo
features.json in trunk/Source/JavaScriptCore – WebKit
Move WebGPU to WebCore/features.json and add <model> element https://bugs.webkit.org/show_bug.cgi?id=238981 Reviewed by Myles C. Maxfield Source/JavaScriptCore: Move WebGPU stuff to the WebCore features.json file. features.json: Source/WebCore: This patch makes the following corrections: Moves the WebGPU Specification definition from JavaScriptCore/features.json to WebCore/features.json Removes t
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