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Code Issues Packages 1 Wiki Activity

perf(ext/websocket): monomorphize code (#19394)

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Using `deopt-explorer` I found that a bunch of fields on `WebSocket`
class were polymorphic. 

Fortunately it was enough to initialize them to `undefined`
to fix the problem.
This commit is contained in:
Bartek Iwańczuk 2023-06-07 11:54:49 +02:00
parent 82b2037f6e
commit e7468b947b
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GPG key ID: 0C6BCDDC3B3AD750
1 changed files with 70 additions and 69 deletions
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139
ext/websocket/01_websocket.js
View file

@ -116,78 +116,18 @@ const _idleTimeoutDuration = Symbol("[[idleTimeout]]");
const _idleTimeoutTimeout = Symbol("[[idleTimeoutTimeout]]");
const _serverHandleIdleTimeout = Symbol("[[serverHandleIdleTimeout]]");
class WebSocket extends EventTarget {
[_rid];
[_role];
[_readyState] = CONNECTING;
get readyState() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_readyState];
}
get CONNECTING() {
webidl.assertBranded(this, WebSocketPrototype);
return CONNECTING;
}
get OPEN() {
webidl.assertBranded(this, WebSocketPrototype);
return OPEN;
}
get CLOSING() {
webidl.assertBranded(this, WebSocketPrototype);
return CLOSING;
}
get CLOSED() {
webidl.assertBranded(this, WebSocketPrototype);
return CLOSED;
}
[_extensions] = "";
get extensions() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_extensions];
}
[_protocol] = "";
get protocol() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_protocol];
}
[_url] = "";
get url() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_url];
}
[_binaryType] = "blob";
get binaryType() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_binaryType];
}
set binaryType(value) {
webidl.assertBranded(this, WebSocketPrototype);
value = webidl.converters.DOMString(
value,
"Failed to set 'binaryType' on 'WebSocket'",
);
if (value === "blob" || value === "arraybuffer") {
this[_binaryType] = value;
}
}
get bufferedAmount() {
webidl.assertBranded(this, WebSocketPrototype);
if (this[_readyState] === OPEN) {
return op_ws_get_buffered_amount(this[_rid]);
} else {
return 0;
}
}
constructor(url, protocols = []) {
super();
this[webidl.brand] = webidl.brand;
this[_rid] = undefined;
this[_role] = undefined;
this[_readyState] = CONNECTING;
this[_extensions] = "";
this[_protocol] = "";
this[_url] = "";
this[_binaryType] = "blob";
this[_idleTimeoutDuration] = 0;
this[_idleTimeoutTimeout] = undefined;
const prefix = "Failed to construct 'WebSocket'";
webidl.requiredArguments(arguments.length, 1, prefix);
url = webidl.converters.USVString(url, prefix, "Argument 1");
@ -307,6 +247,67 @@ class WebSocket extends EventTarget {
);
}
get readyState() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_readyState];
}
get CONNECTING() {
webidl.assertBranded(this, WebSocketPrototype);
return CONNECTING;
}
get OPEN() {
webidl.assertBranded(this, WebSocketPrototype);
return OPEN;
}
get CLOSING() {
webidl.assertBranded(this, WebSocketPrototype);
return CLOSING;
}
get CLOSED() {
webidl.assertBranded(this, WebSocketPrototype);
return CLOSED;
}
get extensions() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_extensions];
}
get protocol() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_protocol];
}
get url() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_url];
}
get binaryType() {
webidl.assertBranded(this, WebSocketPrototype);
return this[_binaryType];
}
set binaryType(value) {
webidl.assertBranded(this, WebSocketPrototype);
value = webidl.converters.DOMString(
value,
"Failed to set 'binaryType' on 'WebSocket'",
);
if (value === "blob" || value === "arraybuffer") {
this[_binaryType] = value;
}
}
get bufferedAmount() {
webidl.assertBranded(this, WebSocketPrototype);
if (this[_readyState] === OPEN) {
return op_ws_get_buffered_amount(this[_rid]);
} else {
return 0;
}
}
send(data) {
webidl.assertBranded(this, WebSocketPrototype);
const prefix = "Failed to execute 'send' on 'WebSocket'";