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| author | Richard Musiol <mail@richard-musiol.de> | 2020-10-29 00:07:04 +0100 |
|---|---|---|
| committer | Richard Musiol <neelance@gmail.com> | 2020-11-02 13:02:40 +0000 |
| commit | 7be8358f70ff858f28b9aefe11986da25f1762bc (patch) | |
| tree | 9951b3b20875f33e0ea718dea118f628392623c9 /misc | |
| parent | f2ee58b6bb3d8312dad2ed7826c1a0e67aea8483 (diff) | |
| download | go-7be8358f70ff858f28b9aefe11986da25f1762bc.tar.gz go-7be8358f70ff858f28b9aefe11986da25f1762bc.zip | |
misc/wasm: check type of argument to Go.run
This results in a nicer error message if the argument to Go.run is
omitted or of the wrong type.
Fixes #37000
Change-Id: I7f36d007f41a79b2cea1cebf5cce127786341202
Reviewed-on: https://go-review.googlesource.com/c/go/+/266117
Trust: Richard Musiol <neelance@gmail.com>
Run-TryBot: Richard Musiol <neelance@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/wasm/wasm_exec.js | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/misc/wasm/wasm_exec.js b/misc/wasm/wasm_exec.js index 3ea03c45b7..82041e6bb9 100644 --- a/misc/wasm/wasm_exec.js +++ b/misc/wasm/wasm_exec.js @@ -503,6 +503,9 @@ } async run(instance) { + if (!(instance instanceof WebAssembly.Instance)) { + throw new Error("Go.run: WebAssembly.Instance expected"); + } this._inst = instance; this.mem = new DataView(this._inst.exports.mem.buffer); this._values = [ // JS values that Go currently has references to, indexed by reference id |