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Commitd87a810

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joyeecheungrichardlau
authored andcommitted
deps: V8: cherry-pick 3dd9576ce336
Original commit message: [inspector] Support Symbols in EntryPreview The Symbols-as-WeakMap-keys proposal allows non-Symbol.for Symbol values in weak collections, which means it can show in EntryPreviews. Also apparently Symbols in regular Maps and Sets were also unsupported. Bug:v8:13350,v8:12947 Change-Id: Ib10476fa2f3c7f59af67933f0bf61640be1bbd97 Reviewed-on:https://chromium-review.googlesource.com/c/v8/v8/+/3930037 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Simon Zünd <szuend@chromium.org> Commit-Queue: Shu-yu Guo <syg@chromium.org> Cr-Commit-Position: refs/heads/main@{#83518}Refs:v8/v8@3dd9576PR-URL:#51004Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
1 parent6d50966 commitd87a810

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4 files changed

+105
-2
lines changed

4 files changed

+105
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lines changed

‎common.gypi

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Original file line numberDiff line numberDiff line change
@@ -36,7 +36,7 @@
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# Reset this number to 0 on major V8 upgrades.
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# Increment by one for each non-official patch applied to deps/v8.
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'v8_embedder_string':'-node.32',
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'v8_embedder_string':'-node.33',
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##### V8 defaults for Node.js #####
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‎deps/v8/src/inspector/value-mirror.cc

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@@ -656,6 +656,18 @@ class SymbolMirror final : public ValueMirror {
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.build();
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}
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voidbuildEntryPreview(
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v8::Local<v8::Context> context,int* nameLimit,int* indexLimit,
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std::unique_ptr<ObjectPreview>* preview)constoverride {
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*preview =
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ObjectPreview::create()
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.setType(RemoteObject::TypeEnum::Symbol)
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.setDescription(descriptionForSymbol(context, m_symbol))
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.setOverflow(false)
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.setProperties(std::make_unique<protocol::Array<PropertyPreview>>())
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.build();
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}
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v8::Local<v8::Value>v8Value()constoverride {return m_symbol; }
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protocol::ResponsebuildWebDriverValue(

‎deps/v8/test/inspector/debugger/object-preview-internal-properties-expected.txt

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Original file line numberDiff line numberDiff line change
@@ -159,6 +159,88 @@ expression: new WeakSet([{}])
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]
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Running test: symbolsAsKeysInEntries
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expression: new Map([[Symbol('key1'), 1]])
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{
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name : size
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type : number
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value : 1
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}
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[[Entries]]:
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[
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[0] : {
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key : {
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description : Symbol(key1)
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overflow : false
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properties : [
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]
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type : symbol
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}
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value : {
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description : 1
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overflow : false
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properties : [
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]
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type : number
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}
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}
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]
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expression: new Set([Symbol('key2')])
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{
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name : size
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type : number
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value : 1
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}
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[[Entries]]:
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[
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[0] : {
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value : {
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description : Symbol(key2)
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overflow : false
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properties : [
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]
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type : symbol
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}
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}
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]
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expression: new WeakMap([[Symbol('key3'), 2]])
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[[Entries]]:
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[
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[0] : {
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key : {
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description : Symbol(key3)
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overflow : false
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properties : [
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]
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type : symbol
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}
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value : {
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description : 2
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overflow : false
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properties : [
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]
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type : number
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}
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}
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]
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expression: new WeakSet([Symbol('key4')])
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[[Entries]]:
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[
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[0] : {
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value : {
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description : Symbol(key4)
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overflow : false
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properties : [
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]
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type : symbol
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}
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}
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]
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Running test: iteratorObject
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expression: (new Map([[1,2]])).entries()
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[[Entries]]:

‎deps/v8/test/inspector/debugger/object-preview-internal-properties.js

Lines changed: 10 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// Flags: --harmony-class-fields
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// Flags: --harmony-symbol-as-weakmap-key
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let{session, contextGroup, Protocol}=InspectorTest.start("Check internal properties reported in object preview.");
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@@ -45,6 +45,15 @@ InspectorTest.runTestSuite([
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.then(next);
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},
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functionsymbolsAsKeysInEntries(next)
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{
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checkExpression("new Map([[Symbol('key1'), 1]])")
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.then(()=>checkExpression("new Set([Symbol('key2')])"))
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.then(()=>checkExpression("new WeakMap([[Symbol('key3'), 2]])"))
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.then(()=>checkExpression("new WeakSet([Symbol('key4')])"))
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.then(next);
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},
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functioniteratorObject(next)
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{
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checkExpression("(new Map([[1,2]])).entries()")

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