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[ "chakra-core", "ChakraCore" ]
It looks like the `args.Info.Count` would be at least `1` for `this`. If that's the case, we can safely remove those checks from our codebase.
Remove "args.Info.Count == 0" checks
https://api.github.com/repos/chakra-core/ChakraCore/issues/387/comments
0
2016-02-24T21:43:46Z
2018-02-15T00:42:44Z
https://github.com/chakra-core/ChakraCore/issues/387
136,195,089
387
[ "chakra-core", "ChakraCore" ]
Sometimes loading a big file through Microsoft edge or internet explorer causes the browser to crash or freeze and load the web page slowely. For an example please see https://gerrit.wikimedia.org/r/#/c/272954/2/zuul/layout.yaml Also this problem happened in webkit which I hope has been fixed with https://bugs.webkit...
Sometimes loading big diffs causes browser to crash or freeze
https://api.github.com/repos/chakra-core/ChakraCore/issues/383/comments
2
2016-02-24T13:55:41Z
2016-03-08T04:26:12Z
https://github.com/chakra-core/ChakraCore/issues/383
136,068,091
383
[ "chakra-core", "ChakraCore" ]
I'm not sure if this is the correct place to file this issue, so please feel free to redirect me. I'm using Microsoft Edge 25.10586.0.0, EdgeHTML 13.10586. This is the code I'm running in the console: ``` js function Person(name) { console.log(new.target); } var person = new Person(); ``` The console then repo...
Error thrown access new.target
https://api.github.com/repos/chakra-core/ChakraCore/issues/378/comments
3
2016-02-23T18:23:16Z
2016-03-10T23:07:08Z
https://github.com/chakra-core/ChakraCore/issues/378
135,820,913
378
[ "chakra-core", "ChakraCore" ]
There was previously an inconsistency between [[Get]]/[[Set]] and [[HasProperty]] as noted in https://github.com/tc39/ecma262/issues/347. However, we did not comply with the old semantics either (our [[HasProperty]] seemed to be guarded on the receiver as well). The new semantics remove all the receiver checks. ``` js...
Incorrect results for [[Get]] and [[HasProperty]] with Typed Array in prototype
https://api.github.com/repos/chakra-core/ChakraCore/issues/374/comments
13
2016-02-22T22:49:35Z
2017-03-16T20:20:26Z
https://github.com/chakra-core/ChakraCore/issues/374
135,570,069
374
[ "chakra-core", "ChakraCore" ]
[Test262 PR](https://github.com/tc39/test262/pull/509)
TypedArray constructors should fail when the object argument contains an element not convertible to Number
https://api.github.com/repos/chakra-core/ChakraCore/issues/361/comments
6
2016-02-20T00:34:36Z
2017-07-07T00:34:47Z
https://github.com/chakra-core/ChakraCore/issues/361
135,011,043
361
[ "chakra-core", "ChakraCore" ]
GitHub now supports issue and PR templates: https://github.com/blog/2111-issue-and-pull-request-templates Do we want to set some of these up? What would we want to put in them? @abchatra
Add Issue and PR GitHub Templates
https://api.github.com/repos/chakra-core/ChakraCore/issues/360/comments
3
2016-02-19T23:45:40Z
2016-07-19T00:58:15Z
https://github.com/chakra-core/ChakraCore/issues/360
135,004,241
360
[ "chakra-core", "ChakraCore" ]
I am not sure where is the best place to surface this. Perhaps multiple places - 1. Here in the wiki. 2. In the Edge change log. 3. In the Windows Insider announcement blog (https://blogs.windows.com/windowsexperience/2016/02/19/announcing-windows-10-mobile-insider-preview-build-14267/ for example). Basically a table ...
Reveal Windows Insider and ChakraCore (base) revision mapping
https://api.github.com/repos/chakra-core/ChakraCore/issues/359/comments
9
2016-02-19T23:09:03Z
2018-02-27T21:51:30Z
https://github.com/chakra-core/ChakraCore/issues/359
134,997,819
359
[ "chakra-core", "ChakraCore" ]
Second bullet point of [block static semantics](https://tc39.github.io/ecma262/#sec-block-static-semantics-early-errors) and similarly for function body static semantics. E.g. ``` javascript let x; { var x; // error (already works) let y; var y; // should be an error (doesn't work) { var y; //...
Hoisting a var declaration past a lexical declaration of the same name should be a SyntaxError
https://api.github.com/repos/chakra-core/ChakraCore/issues/357/comments
4
2016-02-19T20:15:32Z
2019-06-07T18:35:07Z
https://github.com/chakra-core/ChakraCore/issues/357
134,962,412
357
[ "chakra-core", "ChakraCore" ]
Our implementation of const semantics no longer match the final semantics settled upon in the ES6 publication. Const assignment used to be an early error but now the spec deems it a late runtime error. const declarations are created in an environment record via [CreateImmutableBinding](https://tc39.github.io/ecma262/...
Should be a runtime TypeError to assign to a const variable, not an early SyntaxError
https://api.github.com/repos/chakra-core/ChakraCore/issues/355/comments
3
2016-02-19T19:44:35Z
2016-03-18T06:01:11Z
https://github.com/chakra-core/ChakraCore/issues/355
134,955,498
355
[ "chakra-core", "ChakraCore" ]
ChakraCore currently allows lexical declarations (let, const, class, function*) to appear after a label. Labels can only prepend a Statement, not a Declaration, according to the ES spec. See grammar at https://tc39.github.io/ecma262/#sec-ecmascript-language-statements-and-declarations FunctionDeclaration gets an exc...
Lexical Declarations cannot appear after a label
https://api.github.com/repos/chakra-core/ChakraCore/issues/352/comments
5
2016-02-19T19:23:21Z
2018-07-24T00:37:41Z
https://github.com/chakra-core/ChakraCore/issues/352
134,951,388
352
[ "chakra-core", "ChakraCore" ]
[Test262 PR](https://github.com/tc39/test262/pull/505)
Intl built-in functions have wrong names
https://api.github.com/repos/chakra-core/ChakraCore/issues/351/comments
2
2016-02-19T19:05:24Z
2016-03-30T22:43:47Z
https://github.com/chakra-core/ChakraCore/issues/351
134,947,872
351
[ "chakra-core", "ChakraCore" ]
CustomHeap.cpp is currently not built on Linux (for no particular reason other than it's not needed until we port the JIT/dynamically allocated code pages to Linux). This issue tracks re-enabling this in the CMakeList for lib\Common\Memory.
[linux] Get CustomHeap compiling on Linux
https://api.github.com/repos/chakra-core/ChakraCore/issues/347/comments
1
2016-02-18T23:57:52Z
2016-11-10T07:42:55Z
https://github.com/chakra-core/ChakraCore/issues/347
134,733,468
347
[ "chakra-core", "ChakraCore" ]
Output::DirectPrint relies on Win32 Console APIs to change the color to be used while printing to the Console. We should use a cross-platform approach here- perhaps ANSI control characters? @dilijev any ideas here?
[linux] Add coloring to the Output class
https://api.github.com/repos/chakra-core/ChakraCore/issues/346/comments
9
2016-02-18T23:55:47Z
2018-06-27T23:20:53Z
https://github.com/chakra-core/ChakraCore/issues/346
134,733,195
346
[ "chakra-core", "ChakraCore" ]
These two files rely on Win32 APIs for dealing with daylights-savings. We'll need to replace/augment this with a cross-platform solution.
[linux] Build DateUtilities.cpp/NumberUtilities_strtod.cpp
https://api.github.com/repos/chakra-core/ChakraCore/issues/345/comments
1
2016-02-18T23:53:34Z
2016-03-03T03:36:56Z
https://github.com/chakra-core/ChakraCore/issues/345
134,732,927
345
[ "chakra-core", "ChakraCore" ]
A stub API- GetCurrentThreadStackBounds- is defined in CommonPal currently. We need to implement it to replace instances in the code where we rely on the Win32 specific-NtTeb to get the current thread's stack base and limit. One possible implementation for this API would be to use the NtTeb approach on Windows and pthr...
[linux] Implement GetCurrentThreadStackBounds
https://api.github.com/repos/chakra-core/ChakraCore/issues/344/comments
2
2016-02-18T23:52:13Z
2016-11-10T07:41:53Z
https://github.com/chakra-core/ChakraCore/issues/344
134,732,651
344
[ "chakra-core", "ChakraCore" ]
Static valid pointer maps for the Recycler are disabled on Linux builds. This is because the maps (under lib\Common\Memory\ValidPointerMap) generated don't currently compile with clang. The generation code (GenerateValidPointersMap) in HeapInfo.cpp needs to be updated to generate cross-platform VPMs, after which we can...
[linux] Re-enable static valid pointer maps
https://api.github.com/repos/chakra-core/ChakraCore/issues/343/comments
0
2016-02-18T23:47:47Z
2018-05-07T23:02:18Z
https://github.com/chakra-core/ChakraCore/issues/343
134,731,787
343
[ "chakra-core", "ChakraCore" ]
The STACK_BACK_TRACE Macro is disabled on Linux currently since the StackBackTrace class depends on the CaptureStackBackTrace and Symbol resolution Win32 APIs. We should re-enable it since it helps in debugging memory issues and is also used by the Exception object in the runtime.
[linux] Enable STACK_BACK_TRACE on linux
https://api.github.com/repos/chakra-core/ChakraCore/issues/342/comments
2
2016-02-18T23:44:31Z
2018-05-16T22:34:12Z
https://github.com/chakra-core/ChakraCore/issues/342
134,731,281
342
[ "chakra-core", "ChakraCore" ]
Recent feedback I've heard about Chakra, which applies to ChakraCore as well. I think tracking the issue here would be beneficial to confused users and serve as a good link for the future. > In the three most recent projects I’ve seen or used Chakra, everyone is re-implementing timers and promise continuation queues ...
[JSRT] Default implementation for promise continuation & timers
https://api.github.com/repos/chakra-core/ChakraCore/issues/341/comments
7
2016-02-18T23:11:08Z
2018-10-26T09:49:46Z
https://github.com/chakra-core/ChakraCore/issues/341
134,725,932
341
[ "chakra-core", "ChakraCore" ]
``` javascript function* gf() { var a = (yield) => { }; // spec says error, ChakraCore gives no error var b = (x = yield) => { }; // spec says error, ChakraCore produces no error } ``` This is an error by way of ArrowFunction passing the Yield parameter on to its StrictFormalParameters. This is different from...
yield should be reserved word in arrow functions within StrictFormalParameters
https://api.github.com/repos/chakra-core/ChakraCore/issues/333/comments
1
2016-02-18T03:46:28Z
2016-11-03T23:24:23Z
https://github.com/chakra-core/ChakraCore/issues/333
134,473,971
333
[ "chakra-core", "ChakraCore" ]
Currently ChakraCore disables ETW because of reliance on private manifests. I think we should look into making new instrumentation manifests for ChakraCore to enable ETW support.
Add ETW support
https://api.github.com/repos/chakra-core/ChakraCore/issues/328/comments
3
2016-02-17T23:34:38Z
2018-07-18T11:04:11Z
https://github.com/chakra-core/ChakraCore/issues/328
134,434,239
328
[ "chakra-core", "ChakraCore" ]
We currently throw a syntax error for the following case: ``` js let get = 1; let obj = { get }; ```
`{get}` should be a valid object literal
https://api.github.com/repos/chakra-core/ChakraCore/issues/320/comments
3
2016-02-17T00:00:16Z
2016-02-17T22:40:51Z
https://github.com/chakra-core/ChakraCore/issues/320
134,132,167
320
[ "chakra-core", "ChakraCore" ]
There are a handful of tests which by their nature are timezone-sensitive (testing Date APIs). Because the execution of some Javascript Date APIs is dependent on the system time zone, the tests only work when run in the time zone in which the baselines were created (in our case, Pacific Time [UTC-8]). The Jenkins mach...
Fix timezone-sensitive tests (disabled in Jenkins)
https://api.github.com/repos/chakra-core/ChakraCore/issues/319/comments
14
2016-02-16T23:56:54Z
2021-02-25T02:40:47Z
https://github.com/chakra-core/ChakraCore/issues/319
134,131,605
319
[ "chakra-core", "ChakraCore" ]
Building with just [Microsoft Visual C++ Build Tools 2015 Technical Preview](https://blogs.msdn.microsoft.com/vcblog/2015/11/02/announcing-visual-c-build-tools-2015-standalone-c-tools-for-build-environments/). On Win 10 Pro with only the Build tools (both 8 and 10 SDKs installed via tool) using - Visual C++ x64 Native...
building with Microsoft Visual C++ Build Tools 2015 Technical Preview
https://api.github.com/repos/chakra-core/ChakraCore/issues/314/comments
0
2016-02-15T07:30:51Z
2018-03-01T00:55:28Z
https://github.com/chakra-core/ChakraCore/issues/314
133,643,662
314
[ "chakra-core", "ChakraCore" ]
Today inside function that reads `arguments` object, we need to create heap object that copies arguments on the stack into this heap object. The reason being the function can return the `arguments` and caller should have access to those arguments. However for functions which don't return `arguments`, ChakraCore does op...
Optimize LdHeapArguments in presence of formal parameters
https://api.github.com/repos/chakra-core/ChakraCore/issues/313/comments
1
2016-02-13T10:10:01Z
2017-06-01T07:32:27Z
https://github.com/chakra-core/ChakraCore/issues/313
133,419,411
313
[ "chakra-core", "ChakraCore" ]
I cloned chakracore on a machine that has VS2013 12.0.21005.1 REL. The build fails because VS2013 doesn’t support `constexpr` that was recently added by @leirocks in 5619992ce85358277b744bd8317ba8546d83d654. This is also mentioned in [compatibility table](https://msdn.microsoft.com/library/hh567368.aspx#corelanguagetab...
Chakracore build break on VS2013 RC
https://api.github.com/repos/chakra-core/ChakraCore/issues/309/comments
13
2016-02-13T00:54:48Z
2016-08-26T01:23:54Z
https://github.com/chakra-core/ChakraCore/issues/309
133,380,166
309
[ "chakra-core", "ChakraCore" ]
It would be great if there was some documentation on how chakra implements the JS datastructures such as arrays and objects and what goes on in the JIT world.
Chakra JS data structure documentation
https://api.github.com/repos/chakra-core/ChakraCore/issues/306/comments
8
2016-02-12T05:01:43Z
2018-02-15T18:20:12Z
https://github.com/chakra-core/ChakraCore/issues/306
133,158,415
306
[ "chakra-core", "ChakraCore" ]
Currently default parameter value initializers are evaluated on the first call to `next()` on the resulting generator object from a call to a generator function. The ES spec says they should be evaluated on the call to the generator function itself, before it returns the generator object. E.g. ``` javascript let x =...
Generator function default parameter value initializers should be evaluated when the generator function is called not at first next() call
https://api.github.com/repos/chakra-core/ChakraCore/issues/300/comments
5
2016-02-11T19:03:07Z
2017-05-17T22:24:14Z
https://github.com/chakra-core/ChakraCore/issues/300
133,059,103
300
[ "chakra-core", "ChakraCore" ]
From test262 test262\test\language\statements\class\name_binding\const.js ``` javascript // Copyright (C) 2014 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es6id: 14.5 description: > class name binding const ---*/ assert.throws(TypeError...
Assignment to class name inside class body should be type error
https://api.github.com/repos/chakra-core/ChakraCore/issues/299/comments
2
2016-02-11T18:33:23Z
2016-03-18T06:01:31Z
https://github.com/chakra-core/ChakraCore/issues/299
133,052,465
299
[ "chakra-core", "ChakraCore" ]
Currently -includeSlow is only specified on the [Builds with Slow Tests](https://github.com/Microsoft/ChakraCore/wiki/Build-Status#builds-with-slow-tests) configuration. Since the Legacy builds also run once per day it makes sense to add -includeSlow to increase coverage.
Enable -includeSlow on Legacy daily builds.
https://api.github.com/repos/chakra-core/ChakraCore/issues/283/comments
1
2016-02-09T03:23:14Z
2016-03-21T19:07:41Z
https://github.com/chakra-core/ChakraCore/issues/283
132,321,743
283
[ "chakra-core", "ChakraCore" ]
The grammar for setter and getter methods is such that they only allow exactly one and zero formal parameters respectively. We appear to get this correct for object literals, and correct for getters in classes, but we allow any number of parameters for class setters. ``` javascript class C { set foo(a, b, c) { } ...
Class setters do not fail to parse when they have zero or more than one formal parameters
https://api.github.com/repos/chakra-core/ChakraCore/issues/280/comments
1
2016-02-08T23:26:53Z
2016-02-10T21:41:40Z
https://github.com/chakra-core/ChakraCore/issues/280
132,286,295
280
[ "chakra-core", "ChakraCore" ]
When creating projects that target PaaS offerings in Azure such as Service Fabric or Classic Worker Roles, it is more desirable to have a version of ChakraCore that can be statically linked. In addition it would be nice if the static library also statically linked its dependencies such as the MSVC runtime. This prevent...
Add project that produces a static library version of ChakraCore
https://api.github.com/repos/chakra-core/ChakraCore/issues/279/comments
5
2016-02-08T21:14:30Z
2018-05-07T23:02:24Z
https://github.com/chakra-core/ChakraCore/issues/279
132,258,330
279
[ "chakra-core", "ChakraCore" ]
We dont kill type specialized values across calls for perf reasons. This can be a problem when we lossy int type specialize an object. If a call following the conversion overrides, for example, valueOf on the object and the object is used as an int after the call (for example, in a shift), we will use the already avai...
Bug with lossy int type specialization
https://api.github.com/repos/chakra-core/ChakraCore/issues/277/comments
0
2016-02-06T00:06:01Z
2016-02-08T18:56:36Z
https://github.com/chakra-core/ChakraCore/issues/277
131,794,281
277
[ "chakra-core", "ChakraCore" ]
At the January TC39 meeting and subsequent conversations we got consensus on removal of the [[Enumerate]] MOP operation and the associated Reflect.enumerate and proxy trap `enumerate`. A PR implementing this consensus is here: https://github.com/tc39/ecma262/pull/367.
Remove [[Enumerate]] and associated reflective capabilities
https://api.github.com/repos/chakra-core/ChakraCore/issues/274/comments
3
2016-02-05T22:58:41Z
2016-08-26T17:43:23Z
https://github.com/chakra-core/ChakraCore/issues/274
131,782,966
274
[ "chakra-core", "ChakraCore" ]
New to ChakraCore so have been playing with the ChakraCoreHost sample to get a feel for how things work. This shows how to use DefineHostCallback to create a callback to which the JavaScript provides some data, but not the reverse. For example, how do you return a string or struct from the callback to JavaScript? Than...
How do you return a string or struct from a callback to JavaScript?
https://api.github.com/repos/chakra-core/ChakraCore/issues/272/comments
3
2016-02-05T15:02:18Z
2016-02-08T18:27:08Z
https://github.com/chakra-core/ChakraCore/issues/272
131,665,639
272
[ "chakra-core", "ChakraCore" ]
``` js var handler = { setPrototypeOf: function (target, v) { print("setPrototypeOf trap"); return false; } } var p = new Proxy({}, handler); Object.setPrototypeOf(p, { x: 1}) ``` Expected: TypeError from Object.setPrototypeOf that doesn't mention invariant check Actual: TypeError: Invariant check faile...
Proxy setPrototypeOf returning false throws wrong error
https://api.github.com/repos/chakra-core/ChakraCore/issues/271/comments
0
2016-02-04T23:38:45Z
2016-02-19T23:20:29Z
https://github.com/chakra-core/ChakraCore/issues/271
131,507,131
271
[ "chakra-core", "ChakraCore" ]
#252 (https://github.com/Microsoft/ChakraCore/commit/5e560731bd5cc383e07710122550a6dcbcea4ad2) temporarily made SmartFPUControl no-op on non-Windows systems. With fix of #260, we may need to implement it.
linux: Implement SmartFPUControl for cross-platform
https://api.github.com/repos/chakra-core/ChakraCore/issues/270/comments
1
2016-02-04T23:11:08Z
2018-03-22T00:08:45Z
https://github.com/chakra-core/ChakraCore/issues/270
131,502,362
270
[ "chakra-core", "ChakraCore" ]
Right now, `WScript.LoadScriptFile` will search relative to the current working directory. After the discussion in #244, I believe this was an oversight and this makes running test files without `rl` more difficult than it should be. Unless someone as a valid use case to use current working directory, we should change ...
`WScript.LoadScriptFile` search relative to the script location
https://api.github.com/repos/chakra-core/ChakraCore/issues/269/comments
1
2016-02-04T19:08:15Z
2018-02-23T19:01:56Z
https://github.com/chakra-core/ChakraCore/issues/269
131,445,803
269
[ "chakra-core", "ChakraCore" ]
I don't see any instance where we assign this bailout to an instruction. All the instances in the current codebase deal with checking for this bailout. Maybe it was needed at some point but not anymore? @LouisLaf @pleath @curtisman
Remove BailOutExpectingObject
https://api.github.com/repos/chakra-core/ChakraCore/issues/266/comments
0
2016-02-04T02:53:02Z
2016-03-21T18:06:01Z
https://github.com/chakra-core/ChakraCore/issues/266
131,224,003
266
[ "chakra-core", "ChakraCore" ]
When `yield*` iterates over an iterable, it is supposed to pass the iterator result object on to the caller of the generator as it is, when its done property is falsy. Looks like we are currently unwrapping the iterator result from the iterable, taking its value, and rewrapping it in a new iterator result object, that...
Generator function yield* incorrectly unwraps and rewraps iterator results instead of passing them through
https://api.github.com/repos/chakra-core/ChakraCore/issues/265/comments
6
2016-02-04T02:23:38Z
2016-03-23T23:50:52Z
https://github.com/chakra-core/ChakraCore/issues/265
131,218,820
265
[ "chakra-core", "ChakraCore" ]
_Originally this issue mentioned only the syntax error for `for (let let ...` but the issue actually applies to all `let` and `const` declarations containing a variable named `let`. See the general static semantics rule here: https://tc39.github.io/ecma262/#sec-let-and-const-declarations-static-semantics-early-errors_...
ES6 `let let` and `const let` declarations are supposed to be a syntax error
https://api.github.com/repos/chakra-core/ChakraCore/issues/263/comments
2
2016-02-04T02:05:39Z
2016-03-11T00:48:31Z
https://github.com/chakra-core/ChakraCore/issues/263
131,216,729
263
[ "chakra-core", "ChakraCore" ]
You should not be able to change its prototype with `Object.setPrototypeOf`, `__proto__`, or any other means. See also: https://github.com/tc39/ecma262/pull/308.
Object.prototype should be an immutable prototype exotic object
https://api.github.com/repos/chakra-core/ChakraCore/issues/261/comments
11
2016-02-04T01:02:38Z
2016-04-29T00:06:56Z
https://github.com/chakra-core/ChakraCore/issues/261
131,206,351
261
[ "chakra-core", "ChakraCore" ]
According to @Yongqu, our script execution needs certain FPU states, so we should save/set/restore FPU states for script execution. `SmartFPUControl` class is intended for that task. However, ChakraCore JSRT calls apparently do not conform. We don't have `SmartFPUControl` usage at all. We should review/refactor/add to ...
Missing FPU state save/restore
https://api.github.com/repos/chakra-core/ChakraCore/issues/260/comments
4
2016-02-03T23:23:05Z
2019-06-07T19:01:23Z
https://github.com/chakra-core/ChakraCore/issues/260
131,187,482
260
[ "chakra-core", "ChakraCore" ]
Currently, Chakra parses `/[\s-a-c]/` as: - The character class `\s` - The character `-` - The range `a-c` However, other engines parse it as: - The range `\s-a`, which is treated as the union of class `\s`, and the characters `-` and `a` - The character `-` - The character `c` As a result, Chakra matches the charact...
[RegExp] /[\s-a-c]/ is parsed incorrectly
https://api.github.com/repos/chakra-core/ChakraCore/issues/258/comments
0
2016-02-03T21:32:45Z
2018-07-10T21:52:05Z
https://github.com/chakra-core/ChakraCore/issues/258
131,161,220
258
[ "chakra-core", "ChakraCore" ]
lib/common/common/DateUtilities.cpp has some WinRTDate utilities that seems not used in ChakraCore. Consider move them.
Move WinRTDate code from DateUtilities.cpp
https://api.github.com/repos/chakra-core/ChakraCore/issues/255/comments
4
2016-02-03T18:50:12Z
2018-03-22T01:00:11Z
https://github.com/chakra-core/ChakraCore/issues/255
131,117,843
255
[ "chakra-core", "ChakraCore" ]
[`Object.getOwnPropertyDescriptors`](https://github.com/tc39/proposal-object-getownpropertydescriptors) is stage 3. At this time, Webkit has implemented it and v8 has an open patch. Would be a good first PR!
Implement Object.getOwnPropertyDescriptors
https://api.github.com/repos/chakra-core/ChakraCore/issues/254/comments
19
2016-02-03T16:51:59Z
2016-07-08T23:56:21Z
https://github.com/chakra-core/ChakraCore/issues/254
131,085,210
254
[ "chakra-core", "ChakraCore" ]
Currently the properties exist, are non-configurable, and always return null.
Built-in functions should not have properties 'caller' or 'arguments'
https://api.github.com/repos/chakra-core/ChakraCore/issues/249/comments
2
2016-02-02T02:41:07Z
2018-02-08T22:07:27Z
https://github.com/chakra-core/ChakraCore/issues/249
130,552,710
249
[ "chakra-core", "ChakraCore" ]
Currently they are non-configurable. Possible good candidate for "Your First PR"
Function.prototype.caller/arguments should be configurable
https://api.github.com/repos/chakra-core/ChakraCore/issues/248/comments
3
2016-02-02T02:40:30Z
2018-03-05T22:37:13Z
https://github.com/chakra-core/ChakraCore/issues/248
130,552,553
248
[ "chakra-core", "ChakraCore" ]
The ES spec has this static semantics early error text for all function types (declaration, expression, arrow, generator, method): - It is a Syntax Error if ContainsUseStrict of FunctionBody is true and IsSimpleParameterList of StrictFormalParameters is false. The parser only throws a SyntaxError when there is a trans...
Already strict functions do not emit syntax error for non-simple parameter list mixed with "use strict" directive
https://api.github.com/repos/chakra-core/ChakraCore/issues/246/comments
1
2016-02-02T01:53:25Z
2016-02-02T19:04:19Z
https://github.com/chakra-core/ChakraCore/issues/246
130,544,862
246
[ "chakra-core", "ChakraCore" ]
Right now it's really painful when trying to run a script both in node and in ch the main reason is with the way the global scope it populated. See https://nodejs.org/api/globals.html for current list of what node exports. I don't suggest we implement them all, maybe some simple ones like `console`, `global`, `__dirna...
Add node like api in ch.exe
https://api.github.com/repos/chakra-core/ChakraCore/issues/244/comments
10
2016-02-01T22:17:26Z
2016-02-04T19:04:39Z
https://github.com/chakra-core/ChakraCore/issues/244
130,502,283
244
[ "chakra-core", "ChakraCore" ]
According to the spec, the `lastIndex` property of a RegExp instance has attributes `{[[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}` and, as per [Section 6.1.7.1 Property Attributes](https://tc39.github.io/ecma262/#sec-property-attributes), it is possible to change `[[Writable]]` to `false` even w...
[RegExp] Can't make "lastIndex" property of a RegExp instance non-writable
https://api.github.com/repos/chakra-core/ChakraCore/issues/238/comments
7
2016-02-01T17:36:42Z
2018-09-20T00:22:07Z
https://github.com/chakra-core/ChakraCore/issues/238
130,429,491
238
[ "chakra-core", "ChakraCore" ]
The assignment target should obey `const` semantics. Test262 bug es6id: 12.14.5.4 features: [const] ``` js const c = 1; assert.throws(TypeError, function() { ({ a: c } = { a: 2 }); }); ```
Destructuring assignment target should obey const semantics
https://api.github.com/repos/chakra-core/ChakraCore/issues/235/comments
2
2016-01-30T01:25:47Z
2016-02-26T00:15:31Z
https://github.com/chakra-core/ChakraCore/issues/235
129,925,176
235
[ "chakra-core", "ChakraCore" ]
` for (let []; ;) { } ` Above code should throw `Syntax error`as in declaration head the array destructuring pattern does not have initializer.
Native for loop does not raise error when head has destructuring declaration without initializer
https://api.github.com/repos/chakra-core/ChakraCore/issues/225/comments
2
2016-01-28T23:10:21Z
2016-02-02T19:40:51Z
https://github.com/chakra-core/ChakraCore/issues/225
129,613,627
225
[ "chakra-core", "ChakraCore" ]
http://www.gnu.org/software/libc/manual/html_node/Getopt-Long-Options.html ch.exe accepts both forward slash and a single dash for all switches recognized. Reasonable given Chakra has been a Windows only project up until. However, now that we are porting to linux and expect to later port to other POSIX platforms it ...
Change ch.exe to comply with gnu getopt_long argument syntax
https://api.github.com/repos/chakra-core/ChakraCore/issues/223/comments
5
2016-01-28T22:58:28Z
2016-08-25T21:04:25Z
https://github.com/chakra-core/ChakraCore/issues/223
129,611,456
223
[ "chakra-core", "ChakraCore" ]
For PR #215, I was looking at codegen on test\benchmarks\Kraken\audio-oscillator.js to try to understand perf regression, and I see this is essentially the entire benchmark: ``` js for ( var i = 0; i < this.bufferSize; i++ ) { offset = Math.round((frameOffset + i) * step); this.signal[i] = this.waveTable[offse...
Not hoisting fixed field checks out of loop (at least in some cases)
https://api.github.com/repos/chakra-core/ChakraCore/issues/222/comments
1
2016-01-28T21:50:17Z
2018-03-21T23:58:51Z
https://github.com/chakra-core/ChakraCore/issues/222
129,592,767
222
[ "chakra-core", "ChakraCore" ]
Last night there was a brief discussion on Gitter about community contributions to the wiki. Even though the wiki is a git repo itself, GitHub does not allow pull requests to the wiki. We either allow everyone in the open to edit freely or restrict contributor access to contributors only, so the community cannot edit a...
[Discussion] [Meta] How to enable community contribution to the wiki.
https://api.github.com/repos/chakra-core/ChakraCore/issues/220/comments
18
2016-01-28T20:12:27Z
2016-04-29T21:50:58Z
https://github.com/chakra-core/ChakraCore/issues/220
129,565,767
220
[ "chakra-core", "ChakraCore" ]
There is a strange thing. When I call _Engine.CallGlobalFunction("Decipher", new[] { _Engine.Converter.FromString(strSignature) }) I get OutOfMemoryException after approximately 5 seconds delay on the method. "Decipher" function is rather simple. Besides it works fine if I call _Engine.Execute(new ScriptSource("Inli...
OutOfMemoryException calling CallGlobalFunction
https://api.github.com/repos/chakra-core/ChakraCore/issues/218/comments
0
2016-01-28T18:39:45Z
2016-05-03T00:05:15Z
https://github.com/chakra-core/ChakraCore/issues/218
129,539,300
218
[ "chakra-core", "ChakraCore" ]
In #206, @obastemur has implemented unix version of _mul128 using inline assembly. Consider getting this in to optimize Int64::Mul. > Prepared a unix/linux version of `__mul128` https://gist.github.com/obastemur/48125aacb960a5b66730
linux: unix version of _mul128 to optimize Int64::Mul
https://api.github.com/repos/chakra-core/ChakraCore/issues/217/comments
3
2016-01-28T16:58:33Z
2016-09-02T04:36:43Z
https://github.com/chakra-core/ChakraCore/issues/217
129,510,723
217
[ "chakra-core", "ChakraCore" ]
Hi, Before I replace v8 in our server app with chakra core, I am going to test simple javascript. When I tried hello world sample, SEHException was occured in creating an context. When native code debugging is enabled I can see it failed to initialize COM interface. AssertMsg(false, "Failed to initialize COM inte...
Win7 without IE11: How to Fix: "Failed to initialize COM interfaces"
https://api.github.com/repos/chakra-core/ChakraCore/issues/212/comments
9
2016-01-27T21:52:59Z
2016-01-28T00:13:39Z
https://github.com/chakra-core/ChakraCore/issues/212
129,281,307
212
[ "chakra-core", "ChakraCore" ]
`AutoSysInfo` has code to detect physical/logical CPU cores. The code primarily cares about number of physical cores. Linux port currently uses PAL implementation. Need to verify if it works/suffices.
linux: detect number of physical/logical CPU cores
https://api.github.com/repos/chakra-core/ChakraCore/issues/200/comments
4
2016-01-26T20:00:25Z
2018-03-21T23:54:57Z
https://github.com/chakra-core/ChakraCore/issues/200
128,925,610
200
[ "chakra-core", "ChakraCore" ]
Need to add test for `Intl` object in ChakraCore.
Add test for Intl in Chakracore
https://api.github.com/repos/chakra-core/ChakraCore/issues/199/comments
2
2016-01-26T19:56:38Z
2017-04-06T22:17:22Z
https://github.com/chakra-core/ChakraCore/issues/199
128,924,550
199
[ "chakra-core", "ChakraCore" ]
Instead of testing IsWindows8OrGreater, we should examine each usage and switch to enable/disable feature instead. That'll make code cleaner.
linux: Switch from IsWindows8OrGreater to feature detection
https://api.github.com/repos/chakra-core/ChakraCore/issues/198/comments
5
2016-01-26T19:54:29Z
2018-02-22T22:05:33Z
https://github.com/chakra-core/ChakraCore/issues/198
128,923,960
198
[ "chakra-core", "ChakraCore" ]
On Windows `AutoSystemInfo::GetVersionInfo` reads major/minor versions from module resource. It is used by `ByteCodeSerializer`, `SourceDynamicProfileManager` etc. to read jscript dll version info and store together with other data. How do we make this cross-platform? Can we change all the usage to use `CHAKRA_CORE_M...
linux: GetVersionInfo from resource
https://api.github.com/repos/chakra-core/ChakraCore/issues/197/comments
3
2016-01-26T19:49:50Z
2018-03-21T23:54:19Z
https://github.com/chakra-core/ChakraCore/issues/197
128,923,113
197
[ "chakra-core", "ChakraCore" ]
A missing 'e' :)
Typo in `Js::InternalPropertyIds::TypeOfPrototypObject'
https://api.github.com/repos/chakra-core/ChakraCore/issues/190/comments
0
2016-01-26T01:18:35Z
2016-01-26T20:02:21Z
https://github.com/chakra-core/ChakraCore/issues/190
128,690,585
190
[ "chakra-core", "ChakraCore" ]
while testing to see if node-chakra supported ES6 modules, found a difference in errors. Of course it would be better if there weren't an error. Reported first to Microsoft/Node; they said I should make a error here since apparently the error text comes from the engine. https://github.com/Microsoft/node/issues/15#i...
Failure to report line of error
https://api.github.com/repos/chakra-core/ChakraCore/issues/189/comments
7
2016-01-26T00:55:56Z
2018-02-22T00:22:49Z
https://github.com/chakra-core/ChakraCore/issues/189
128,687,037
189
[ "chakra-core", "ChakraCore" ]
This [blog](http://www.viva64.com/en/b/0370/) discusses a number of issues the PVS tool found. Some look like real bugs. Please investigate and fix or assign to the appropriate area expert.
Investigate static analysis findings from PVS
https://api.github.com/repos/chakra-core/ChakraCore/issues/180/comments
1
2016-01-22T17:02:50Z
2016-03-26T02:39:10Z
https://github.com/chakra-core/ChakraCore/issues/180
128,199,247
180
[ "chakra-core", "ChakraCore" ]
I would like to start a discussion for adding few Memory specific APIs in JSRT: - JSRT currently has [JsSetRuntimeBeforeCollectCallback](https://github.com/Microsoft/ChakraCore/wiki/JsSetRuntimeBeforeCollectCallback) API that lets host set a callback that gets called **before** GarbageCollection happens. It would be go...
Memory related APIs in JSRT
https://api.github.com/repos/chakra-core/ChakraCore/issues/179/comments
16
2016-01-22T15:57:52Z
2016-03-12T14:51:45Z
https://github.com/chakra-core/ChakraCore/issues/179
128,186,180
179
[ "chakra-core", "ChakraCore" ]
`Math.round` is implemented like `Math.floor(x + 0.5)` seems, and so is buggy for some values: `Math.round(0.5 - Number.EPSILON / 4)` - should give 0, not 1 `Math.round(1 / Number.EPSILON + 1)` - should give `1 / Number.EPSILON + 1` `Math.round(-(1 / Number.EPSILON + 1))` - should give `1 / Number.EPSILON + 1` Actual...
ARM JIT: `Math.round` is buggy for integers between 2**52+1 and 2**53-1
https://api.github.com/repos/chakra-core/ChakraCore/issues/178/comments
8
2016-01-22T15:29:49Z
2018-05-02T22:30:03Z
https://github.com/chakra-core/ChakraCore/issues/178
128,179,223
178
[ "chakra-core", "ChakraCore" ]
To demonstrate the capabilities of our analyzer, we regularly perform analysis of open source projects. We had recently checked the ChakraCore project. Here is the link to the article about it: http://www.viva64.com/en/b/0370/ Official page of the analyzer: http://www.viva64.com/en/pvs-studio/ If you have any questio...
Static analysis of ChakraCore with PVS-Studio
https://api.github.com/repos/chakra-core/ChakraCore/issues/177/comments
2
2016-01-22T11:44:33Z
2016-01-29T14:30:05Z
https://github.com/chakra-core/ChakraCore/issues/177
128,139,819
177
[ "chakra-core", "ChakraCore" ]
See daily build table at https://github.com/Microsoft/ChakraCore/wiki/Build-Status#disablejit-builds Originally opened in https://github.com/Microsoft/ChakraCore/issues/112, all but ARM have been fixed. Build errors: ``` 05:14:13 Chakra.Runtime.Language.lib(arm_Thunks.obj) : error LNK2019: unresolved external symbo...
Daily builds of DisableJIT (ARM) are broken.
https://api.github.com/repos/chakra-core/ChakraCore/issues/169/comments
0
2016-01-21T20:03:01Z
2016-02-02T19:41:52Z
https://github.com/chakra-core/ChakraCore/issues/169
128,007,854
169
[ "chakra-core", "ChakraCore" ]
Current usage of `uintptr` and `uintptr_t` separately fails on cross platform. Option 1) fix `uintptr` typedef for other platforms Option 2) use only `uintptr_t` Opinions ?
Replace all the instances of uintptr to uintptr_t
https://api.github.com/repos/chakra-core/ChakraCore/issues/168/comments
3
2016-01-21T19:56:35Z
2016-02-02T01:38:46Z
https://github.com/chakra-core/ChakraCore/issues/168
128,006,638
168
[ "chakra-core", "ChakraCore" ]
Example case: ``` js (function() { var resolve, reject; var p = new Promise(function(res, rej) { resolve = res; reject = rej; }); p.then(function(val) { echo('The result is ' + val); // 'echo' is host-provided to output to console }); try { resolve(10); }...
JsRT: When calling resolve, the resolve function is thrown if JsSetPromiseContinuationCallback hasn't been called
https://api.github.com/repos/chakra-core/ChakraCore/issues/167/comments
2
2016-01-21T19:50:57Z
2017-07-14T16:18:04Z
https://github.com/chakra-core/ChakraCore/issues/167
128,005,608
167
[ "chakra-core", "ChakraCore" ]
In `jenkins.check_copyright.sh`, see the following line: ``` sh xargs -I % sh -c "echo 'Check Copyright > Checking %'; python jenkins.check_copyright.py % > $ERRFILETEMP; if [ \$? -ne 0 ]; then cat $ERRFILETEMP >> $ERRFILE; fi" ``` In PR #51 @goyakin suggested modifying this line like so: > Did you consider using `|...
Reduce the logic in the Copyright Check
https://api.github.com/repos/chakra-core/ChakraCore/issues/166/comments
2
2016-01-21T19:33:30Z
2016-03-09T20:15:50Z
https://github.com/chakra-core/ChakraCore/issues/166
128,002,107
166
[ "chakra-core", "ChakraCore" ]
``` js print('not early'); let undefined; ``` - Expected: Syntax error with nothing printed. - Actual: not early is printed, then Syntax error is thrown. See [GDI step 5.c+d](http://tc39.github.io/ecma262/#sec-globaldeclarationinstantiation).
`let undefined` in global scope should be an early Syntax error
https://api.github.com/repos/chakra-core/ChakraCore/issues/165/comments
5
2016-01-21T19:31:21Z
2016-02-19T18:20:09Z
https://github.com/chakra-core/ChakraCore/issues/165
128,001,684
165
[ "chakra-core", "ChakraCore" ]
After applying the fix (#150) of issue #143, `.\ch.exe -Dump:Encoder ..\..\..\..\test\benchmarks\Octane\pdfjs.js` produces wrong output for MultiBrInstr IR instructions, see below for an example (x64debug). ``` GLOBOPT INSTR: MultiBr $L54 $L55 $L56 $L57 $L58 $L53 , s38[LikelyCanBeTagged...
MultiBrInstr IR instructions are not correctly dumped after lowered to JMP/B machine instructions
https://api.github.com/repos/chakra-core/ChakraCore/issues/162/comments
0
2016-01-21T15:23:03Z
2016-02-02T19:42:08Z
https://github.com/chakra-core/ChakraCore/issues/162
127,948,417
162
[ "chakra-core", "ChakraCore" ]
Some are named using CamelCase others are lower case. This is very annoying.
Why there is a mix of filenames?
https://api.github.com/repos/chakra-core/ChakraCore/issues/161/comments
11
2016-01-21T14:07:18Z
2016-02-19T00:58:36Z
https://github.com/chakra-core/ChakraCore/issues/161
127,931,283
161
[ "chakra-core", "ChakraCore" ]
Is there a reason not to use bool type? Isn't ChakraCore implemented in C++?
s/BOOL/bool
https://api.github.com/repos/chakra-core/ChakraCore/issues/160/comments
14
2016-01-21T13:34:47Z
2016-03-21T18:40:19Z
https://github.com/chakra-core/ChakraCore/issues/160
127,925,645
160
[ "chakra-core", "ChakraCore" ]
SimplePropertyDescriptor const JavascriptLibrary::SharedFunctionPropertyDescriptors[2] = { SimplePropertyDescriptor(BuiltInPropertyRecords::prototype, PropertyWritable), SimplePropertyDescriptor(BuiltInPropertyRecords::name, PropertyConfigurable | PropertyWritable) };
Function.name property is non-writable. It should be initialized as such.
https://api.github.com/repos/chakra-core/ChakraCore/issues/153/comments
7
2016-01-20T20:28:40Z
2016-02-02T19:42:55Z
https://github.com/chakra-core/ChakraCore/issues/153
127,776,833
153
[ "chakra-core", "ChakraCore" ]
This was originally mentioned by @caitp [here](https://github.com/Microsoft/ChakraCore/issues/27#issuecomment-172001001) and @bterlson added the "Accepting PRs" label, but I think an additional label that both indicates _and_ encourages a new contributor to dig in would be a helpful distinction. There are many differen...
Create label that indicates and encourages a new contributor to take on the issue
https://api.github.com/repos/chakra-core/ChakraCore/issues/151/comments
15
2016-01-20T17:50:43Z
2016-01-23T01:42:27Z
https://github.com/chakra-core/ChakraCore/issues/151
127,744,535
151
[ "chakra-core", "ChakraCore" ]
In order to create signed JavaScript objects, you need to normalize data. The JCS specification https://cyberphone.github.io/openkeystore/resources/docs/jcs.html#ECMAScript_Compatibility_Mode accomplish this "automatically" by relying on ES6 for property order (which Chakra implements), but also depends on the extende...
Make number serialization compatible with V8 (and new IETF spec draft)
https://api.github.com/repos/chakra-core/ChakraCore/issues/149/comments
20
2016-01-20T06:56:58Z
2023-03-22T08:48:46Z
https://github.com/chakra-core/ChakraCore/issues/149
127,618,330
149
[ "chakra-core", "ChakraCore" ]
See tc39/test262#473 For example this should be a `SyntaxError`: ``` javascript for (let x of 0, []) { } ```
for-of loop incorrectly recognizes Expression grammar for iterable expression; should be AssignmentExpression
https://api.github.com/repos/chakra-core/ChakraCore/issues/147/comments
4
2016-01-20T00:28:45Z
2016-03-10T03:17:55Z
https://github.com/chakra-core/ChakraCore/issues/147
127,573,399
147
[ "chakra-core", "ChakraCore" ]
The V8 team have started looking in to a "Strong Mode" subsection of JavaScript (https://developers.google.com/v8/experiments). I was wondering if there are any plans to include this is in ChakraCore?
[FeatureRequest] Strong Mode
https://api.github.com/repos/chakra-core/ChakraCore/issues/146/comments
4
2016-01-19T23:40:31Z
2016-01-20T18:06:50Z
https://github.com/chakra-core/ChakraCore/issues/146
127,565,992
146
[ "chakra-core", "ChakraCore" ]
``` js { function foo() { } function foo() { } } ``` Expected: Early syntax error. Actual: no error, second function wins always near as I can tell. Duplicate function names are allowed at top level but not in blocks. Spidermonkey [came across web compat issues](https://bugzilla.mozilla.org/show_bug.cgi?id=12...
Duplicate function declarations in blocks should throw early error in sloppy mode
https://api.github.com/repos/chakra-core/ChakraCore/issues/144/comments
4
2016-01-19T22:44:01Z
2016-03-26T02:40:02Z
https://github.com/chakra-core/ChakraCore/issues/144
127,556,593
144
[ "chakra-core", "ChakraCore" ]
I observed ch.exe crashes when running "ch.exe -Dump:Encoder ..\..\..\..\test\benchmarks\Octane\pdfjs.js". The crashes consistently happen regarding x64debug and x86debug builds.
ch.exe crashes when running "ch.exe -Dump:Encoder ..\..\..\..\test\benchmarks\Octane\pdfjs.js"
https://api.github.com/repos/chakra-core/ChakraCore/issues/143/comments
1
2016-01-19T22:41:48Z
2016-02-02T19:45:30Z
https://github.com/chakra-core/ChakraCore/issues/143
127,556,175
143
[ "chakra-core", "ChakraCore" ]
Currently JSRT headers are in .\lib\jsrt. Move them to a top-level folder to make it easier for JSRT users.
Relayout JSRT headers to top-level \include folder
https://api.github.com/repos/chakra-core/ChakraCore/issues/141/comments
2
2016-01-19T19:40:18Z
2018-02-15T00:57:15Z
https://github.com/chakra-core/ChakraCore/issues/141
127,521,641
141
[ "chakra-core", "ChakraCore" ]
The roadmap contains a point about the inclusion of ChakraCore to node.js. Do you already have a more specific ETA for that?
[Question] Integration to node.js
https://api.github.com/repos/chakra-core/ChakraCore/issues/140/comments
2
2016-01-19T09:29:40Z
2016-01-19T23:09:53Z
https://github.com/chakra-core/ChakraCore/issues/140
127,402,805
140
[ "chakra-core", "ChakraCore" ]
``` js function i(o) { print(JSON.stringify(o)) } function* test() { try { yield 1; } finally { yield 2; } yield 3; } function* wrap() { yield* test(); yield 4; } iter = wrap(); i(iter.next()); // { value: 1, done: false } i(iter.return(42)); // { value: 2, done: false } i(iter.next()); // { value...
Incorrect .return() result on generator with yield* to another generator with try/finally
https://api.github.com/repos/chakra-core/ChakraCore/issues/139/comments
3
2016-01-19T02:34:33Z
2016-04-14T00:45:53Z
https://github.com/chakra-core/ChakraCore/issues/139
127,351,632
139
[ "chakra-core", "ChakraCore" ]
Repro: ``` js function* test() { try { yield; } catch (e) { return; } } function* wrap() { yield* test(); yield 3; } var iter = wrap(); iter.next(); print(JSON.stringify(iter.throw(Error("fail")))); ``` Expected per spec is `iterator result object { value: undefined, done: true }` as yield\* has a...
Incorrect .throw() result on generator with yield* to another generator with try/catch
https://api.github.com/repos/chakra-core/ChakraCore/issues/137/comments
10
2016-01-19T00:28:00Z
2016-04-14T00:46:15Z
https://github.com/chakra-core/ChakraCore/issues/137
127,337,994
137
[ "chakra-core", "ChakraCore" ]
Current JsGetValueType only recognizes high level types. Improve it to recognize other types like RegExp, Date, Map, Set, etc.
JSRT: Improve JsGetValueType API
https://api.github.com/repos/chakra-core/ChakraCore/issues/135/comments
13
2016-01-18T07:19:34Z
2016-11-02T22:52:21Z
https://github.com/chakra-core/ChakraCore/issues/135
127,168,103
135
[ "chakra-core", "ChakraCore" ]
I'm trying to implement js callbacks (à la [node.js fs API](https://nodejs.org/api/fs.html) ) using async/await in C#, but I'm having difficulties due to threading. This is my situation: I have a method ``` c# async Task<string> ReadFile(string path) { return await DoWhatever(path); } ``` which I would like to use ...
Implementing js-style callbacks in C# using async/await
https://api.github.com/repos/chakra-core/ChakraCore/issues/134/comments
8
2016-01-17T22:46:32Z
2016-03-13T10:35:28Z
https://github.com/chakra-core/ChakraCore/issues/134
127,129,955
134
[ "chakra-core", "ChakraCore" ]
Hello, how would one approach creating a ES6 class using the JSRT C++ API? I've looked through the sample codes, no luck tho. Thanks
Add ability to create an ES6 class using JSRT APIs
https://api.github.com/repos/chakra-core/ChakraCore/issues/132/comments
6
2016-01-17T00:42:11Z
2016-01-25T06:43:50Z
https://github.com/chakra-core/ChakraCore/issues/132
127,066,043
132
[ "chakra-core", "ChakraCore" ]
``` 18:11:38 2>ERROR: Test failed to run correctly: diffs from baseline (d:\j\workspace\Microsoft_ChakraCore\daily_slow_x64_debug\test\AsmJs\basicMath.baseline): 18:11:38 2> ch.exe -DumpOnCrash -WERExceptionSupport -ExtendedErrorStackForTestHost -maxInterpretCount:1 -maxSimpleJitRunCount:1 -bgjit- -dynamicprofilec...
x64_debug -includeSlow (one of the daily builds) fails a unit test.
https://api.github.com/repos/chakra-core/ChakraCore/issues/129/comments
2
2016-01-16T03:21:26Z
2016-02-02T19:45:51Z
https://github.com/chakra-core/ChakraCore/issues/129
126,997,177
129
[ "chakra-core", "ChakraCore" ]
<pre>/// &lt;summary&gt; /// Deletes an object&#39;s property. /// &lt;/summary&gt; /// &lt;remarks&gt; /// Requires an active script context. /// &lt;/remarks&gt; /// &lt;param name=&quot;object&quot;&gt;The object that contains the property.&lt;/param&gt; /// &lt;param name=&quot;p...
a question about JsDeleteProperty
https://api.github.com/repos/chakra-core/ChakraCore/issues/128/comments
3
2016-01-16T02:23:54Z
2016-01-23T03:18:40Z
https://github.com/chakra-core/ChakraCore/issues/128
126,994,648
128
[ "chakra-core", "ChakraCore" ]
Does Chakra exposes parser information? For example, assuming I have script like this: ``` javascript function foo(x, y) { return x + y; } ``` I want to be able to get argument names ("x" and "y"). Alternatively, assuming I have script like bellow and already ran it and got "f1" as a value. Can I get argument n...
Does Chakra expose parser information?
https://api.github.com/repos/chakra-core/ChakraCore/issues/125/comments
2
2016-01-15T21:30:20Z
2016-01-17T06:04:15Z
https://github.com/chakra-core/ChakraCore/issues/125
126,961,786
125
[ "chakra-core", "ChakraCore" ]
See ScriptFunction constructor. Only the background-jit-stats related updates should be made inside the BGJIT_STATS macro scope
Setting whether a function body's native entry point is used should be BGJIT_STATS agnostic
https://api.github.com/repos/chakra-core/ChakraCore/issues/122/comments
2
2016-01-15T18:48:18Z
2018-07-03T20:20:12Z
https://github.com/chakra-core/ChakraCore/issues/122
126,932,843
122
[ "chakra-core", "ChakraCore" ]
String.prototype.lastIndexOf is broken when passed with the Unicode characters and second argument specified. ``` javascript 'abcあい'.lastIndexOf('あい', 1) ``` expected: -1 actual: 3 According to [ECMA 21.1.3.9](http://www.ecma-international.org/ecma-262/6.0/#sec-string.prototype.lastindexof) - the `position` argument...
String.prototype.lastIndexOf broken
https://api.github.com/repos/chakra-core/ChakraCore/issues/120/comments
4
2016-01-15T12:11:08Z
2016-01-20T21:52:43Z
https://github.com/chakra-core/ChakraCore/issues/120
126,861,381
120
[ "chakra-core", "ChakraCore" ]
There's no need to have the trigger phrases `daily` or `dailys` (regex: `dailys?`) when `dailies` works and doesn't accidentally get matched for individual test triggers.
The trigger regex 'daily.*' for all dailies also matches 'daily_...' causing extra builds to be triggered.
https://api.github.com/repos/chakra-core/ChakraCore/issues/119/comments
0
2016-01-15T09:30:47Z
2016-02-02T19:44:09Z
https://github.com/chakra-core/ChakraCore/issues/119
126,836,725
119
[ "chakra-core", "ChakraCore" ]
https://github.com/Microsoft/ChakraCore/wiki/Build-Status#legacy-builds It seems specific to x64_debug. While we investigate why they are timing out after 60s (despite running individually in under 10s), we will disable these tests in this configuration. Tests I've seen affected so far: ``` d:\j\workspace\Private\M...
[Test failure] [Daily] [Dev12 x64_debug] Test timeouts are causing the legacy daily build to fail on x64_debug
https://api.github.com/repos/chakra-core/ChakraCore/issues/115/comments
11
2016-01-15T00:59:46Z
2016-06-07T22:00:30Z
https://github.com/chakra-core/ChakraCore/issues/115
126,784,024
115
[ "chakra-core", "ChakraCore" ]
See table at: https://github.com/Microsoft/ChakraCore/wiki/Build-Status#disablejit-builds Confirmed the compile error locally. ``` E:\dev\ChakraCore\lib\Runtime\Language\JavascriptStackWalker.h(229): error C3646: 'GetCachedInternalFrameInfo': unknown override specifier [E:\dev\ChakraCore\lib\Runtime\Base\Chakra.Runti...
Daily builds of DisableJIT (x86, x64) are broken.
https://api.github.com/repos/chakra-core/ChakraCore/issues/112/comments
1
2016-01-14T23:59:18Z
2016-01-21T20:29:42Z
https://github.com/chakra-core/ChakraCore/issues/112
126,776,590
112
[ "chakra-core", "ChakraCore" ]
This is for general discussions on the cross-platfrom effort. Please open individual issues for tasks clearly identified from this discussion, or PRs if they are small and you can do them quickly. Please see the [Roadmap](https://github.com/Microsoft/ChakraCore/wiki/Roadmap#enhancing-host--platform-support) for our cr...
[Discussion] Linux / Cross-platform planning
https://api.github.com/repos/chakra-core/ChakraCore/issues/111/comments
31
2016-01-14T23:53:15Z
2016-09-07T20:25:08Z
https://github.com/chakra-core/ChakraCore/issues/111
126,775,808
111
[ "chakra-core", "ChakraCore" ]
Tests use legacy build architecture and type terms for exclusion tags: - `exclude_amd64` - `exclude_chk` - `exclude_fre` [`test/runtests.cmd`](https://github.com/Microsoft/ChakraCore/blob/master/test/runtests.cmd) uses the new terms as input but shims them to the old terms for the exclusion tags. It would be nic...
rlexe.xml tags: add support for new build architecture and type terms
https://api.github.com/repos/chakra-core/ChakraCore/issues/110/comments
4
2016-01-14T23:50:42Z
2018-03-26T18:48:26Z
https://github.com/chakra-core/ChakraCore/issues/110
126,775,497
110