[Webkit-unassigned] [Bug 277608] New: [JSC] Supports Type Reflection for `WebAssembly.Module.imports` and `WebAssembly.Module.exports`

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Aug 4 09:28:44 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=277608

            Bug ID: 277608
           Summary: [JSC] Supports Type Reflection for
                    `WebAssembly.Module.imports` and
                    `WebAssembly.Module.exports`
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aosukeke at gmail.com

The current JSC implements part of the WebAssembly Type Reflection proposal[1]. It allows to get    
type informations through methods like `WebAssembly.Memory.prototype.type()` and                    
`WebAssembly.Table.prototype.type()`.                                                               

The Type Reflection API should also add a new `type` field to the elements of the arrays returned by
`WebAssembly.Module.imports` and `WebAssembly.Module.exports`[2]. However, this feature is not      
currently implemented in JSC. This feature has been implemented to V8[3] and SpiderMonkey[4].       

[1]: https://github.com/WebAssembly/js-types                                                        
[2]: https://webassembly.github.io/js-types/js-api/#modules                                         
[3]: https://chromium-review.googlesource.com/c/v8/v8/+/1763527                                     
[4]: https://hg.mozilla.org/mozilla-central/rev/91e0c6d26de8ba365ec3d462f98d28c75055a89b

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