Skip to content

Instance lookup function for Wasm Namespaces #108

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 5 commits into from
Apr 8, 2025
Merged

Instance lookup function for Wasm Namespaces #108

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
3e70ac4
support separate instance lookup function
guybedford Mar 30, 2025
61e6abd
moduleInstance -> namespaceInstance
guybedford Mar 30, 2025
09b4432
fixup reference
guybedford Mar 30, 2025
8307913
move to Instance, assume IDL integration
guybedford Mar 30, 2025
87df709
Update document/js-api/index.bs
guybedford Apr 8, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 10 additions & 0 deletions document/js-api/index.bs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,7 @@ urlPrefix: https://tc39.github.io/ecma262/; spec: ECMASCRIPT
text: Cyclic Module Record; url: cyclic-module-record
text: GetMethod; url: sec-getmethod
text: ToBigInt64; url: #sec-tobigint64
text: Module Namespace exotic object; url: #sec-module-namespace-exotic-objects
type: abstract-op
text: CreateDataPropertyOrThrow; url: sec-createdatapropertyorthrow
text: CreateMethodProperty; url: sec-createmethodproperty
Expand Down Expand Up @@ -631,6 +632,7 @@ Note: Some implementations enforce a size limitation on |bytes|. Use of this API
interface Instance {
constructor(Module module, optional object importObject);
readonly attribute object exports;
static Instance namespaceInstance(ModuleNamespace moduleNamespace);
};
</pre>

Expand All @@ -648,6 +650,14 @@ Note: The use of this synchronous API is discouraged, as some implementations so
The getter of the <dfn attribute for="Instance">exports</dfn> attribute of {{Instance}} returns **this**.\[[Exports]].
</div>

<div algorithm>
The <dfn method for="Instance">namespaceInstance(|namespace|)</dfn> method, when invoked, performs the following steps:
1. Assert: |namespace| is a [=Module Namespace exotic object=].
1. If |namespace|.\[[Module]] is not a [=WebAssembly Module Record=], [=throw=] a {{TypeError}} exception.
1. Let |module| be |namespace|.\[[Module]].
1. Return |module|.\[[Instance]].
</div>

<h3 id="memories">Memories</h3>

<pre class="idl">
Expand Down