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5edd277161
WebAssembly modules compiled through `WebAssembly.compile()` and similar non-streaming APIs don't have a URL associated to them, because they have been compiled from a buffer source. In stack traces, V8 will use a URL such as `wasm://wasm/d1c677ea`, with a hash of the module. However, wasm modules compiled through streaming APIs, like `WebAssembly.compileStreaming()`, do have a known URL, which can be obtained from the `Response` object passed into the streaming APIs. And as per the developer-facing display conventions in the WebAssembly Web API spec, this URL should be used in stack traces. This change implements that.
75 lines
2.5 KiB
TypeScript
75 lines
2.5 KiB
TypeScript
// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
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// deno-lint-ignore-file no-explicit-any
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/// <reference no-default-lib="true" />
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/// <reference lib="esnext" />
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declare namespace Deno {
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declare namespace core {
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/** Call an op in Rust, and synchronously receive the result. */
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function opSync(
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opName: string,
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a?: any,
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b?: any,
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): any;
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/** Call an op in Rust, and asynchronously receive the result. */
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function opAsync(
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opName: string,
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a?: any,
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b?: any,
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): Promise<any>;
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/**
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* Retrieve a list of all registered ops, in the form of a map that maps op
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* name to internal numerical op id.
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*/
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function ops(): Record<string, number>;
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/**
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* Retrieve a list of all open resources, in the form of a map that maps
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* resource id to the resource name.
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*/
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function resources(): Record<string, string>;
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/**
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* Close the resource with the specified op id. Throws `BadResource` error
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* if resource doesn't exist in resource table.
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*/
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function close(rid: number): void;
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/**
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* Try close the resource with the specified op id; if resource with given
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* id doesn't exist do nothing.
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*/
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function tryClose(rid: number): void;
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/** Get heap stats for current isolate/worker */
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function heapStats(): Record<string, number>;
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/** Encode a string to its Uint8Array representation. */
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function encode(input: string): Uint8Array;
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/**
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* Set a callback that will be called when the WebAssembly streaming APIs
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* (`WebAssembly.compileStreaming` and `WebAssembly.instantiateStreaming`)
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* are called in order to feed the source's bytes to the wasm compiler.
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* The callback is called with the source argument passed to the streaming
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* APIs and an rid to use with the wasm streaming ops.
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*
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* The callback should eventually invoke the following ops:
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* - `op_wasm_streaming_feed`. Feeds bytes from the wasm resource to the
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* compiler. Takes the rid and a `Uint8Array`.
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* - `op_wasm_streaming_abort`. Aborts the wasm compilation. Takes the rid
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* and an exception. Invalidates the resource.
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* - `op_wasm_streaming_set_url`. Sets a source URL for the wasm module.
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* Takes the rid and a string.
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* - To indicate the end of the resource, use `Deno.core.close()` with the
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* rid.
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*/
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function setWasmStreamingCallback(
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cb: (source: any, rid: number) => void,
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): void;
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}
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}
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