v8/test/inspector/debugger/get-possible-breakpoints-class-fields-expected.txt

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Checks Debugger.getPossibleBreakpoints for class fields
// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
let x = |R|class {}
|_|x = |R|class {
x = |_|1;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
y = |_|2|R|;
}
|_|x = |R|class {
x = |C|foo();
y = |_|2;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
z = |C|bar()|R|;
}
|_|x = class {
x = |C|foo();
y = |_|2;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
z = |C|bar()|R|;
constructor() {
this.|_|x;
|R|}
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
}
|_|x = class {
x = |C|foo();
y = |_|2;
constructor() {
this.|_|x;
|R|}
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
z = |C|bar()|R|;
}
|_|x = class {
x = |C|foo();
y = |_|2;
constructor() {
this.|_|x;
|R|}
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
z = |C|bar()|R|;
}
|_|x = |R|class {
x = |_|1;
foo() {|R|}
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
y = |_|2|R|;
}
|_|x = |R|class {
x = (function() {
|C|foo();
|R|})|C|();
y = (() => {
|C|bar();
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
|R|})|C|()|R|;
}
|_|x = |R|class {
x = |_|function() {
|C|foo();
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
|R|}|R|;
}
|_|x = |R|class {
x = |_|async function() {
|_|await |C|foo();
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
|R|}|R|;
}
|_|x = |R|class {
x = |_|() => {
|C|foo();
|R|};
y = |_|() => |C|bar()|R|;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
}
|_|x = |R|class {
x = |_|async () => {
|_|await |C|foo();
|R|};
y = |_|async () => |_|await |C|bar()|R|;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
}
|_|x = |R|class {
[|_|x] = |_|1;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
[|C|foo()] = |_|2|R|;
}
|_|x = |R|class {
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
[|_|x] = |_|[...this]|R|;
}
|_|x = |R|class {
x;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
[|C|foo()]|R|;
}
|_|x = |R|class {
x = |_|function*|_|() {
|_|yield 1;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
|R|}|R|;
}
|_|x = |R|class {
static x = |_|1;
static y = |_|2|R|;
}
|_|x = |R|class {
static x = |C|foo();
static y = |_|2;
static z = |C|bar()|R|;
}
|_|x = class {
static x = |C|foo();
static y = |_|2;
static z = |C|bar()|R|;
constructor() {
this.|_|x;
|R|}
}
|_|x = class {
static x = |C|foo();
static y = |_|2;
constructor() {
this.|_|x;
|R|}
static z = |C|bar()|R|;
}
|_|x = |R|class {
static x = |_|1;
static foo() {|R|}
bar() {|R|}
static y = |_|2|R|;
}
|_|x = |R|class {
static x = (function() {
|C|foo();
|R|})|C|();
static y = (() => {
|C|bar();
|R|})|C|()|R|;
}
|_|x = |R|class {
static x = |_|function() {
|C|foo();
|R|}|R|;
}
|_|x = |R|class {
static x = |_|async function() {
|_|await |C|foo();
|R|}|R|;
}
|_|x = |R|class {
static x = |_|() => {
|C|foo();
|R|};
static y = |_|() => |C|bar()|R|;
}
|_|x = |R|class {
static x = |_|async () => {
|_|await |C|foo();
|R|};
static y = |_|async () => |_|await |C|bar()|R|;
}
|_|x = |R|class {
static [|_|x] = |_|1;
static [|C|foo()] = |_|2|R|;
}
|_|x = |R|class {
static [|_|x] = |_|[...this]|R|;
}
|_|x = |R|class {
static x;
static [|C|foo()]|R|;
}
|_|x = |R|class {
static x = |_|function*|_|() {
|_|yield 1;
|R|}|R|;
}
|_|x = |R|class {
static x = |_|1;
y = |_|2;
static [|_|z] = |_|3;
[|_|p] = |_|4;
static [|C|foo()] = |_|5|R|;
Revert "[class] implement reparsing of class instance member initializers" This reverts commit 91f08378bc7fe486f92dc81e9a8f9ec78c1d3c21. Reason for revert: It's a fairly big change, and the clusterfuzz found some bugs. Will reland with the fix after M98 branch point. Original change's description: > [class] implement reparsing of class instance member initializers > > Previously, since the source code for the synthetic class instance > member initializer function was recorded as the span from the first > initializer to the last initializer, there was no way to reparse the > class and recompile the initializer function. It was working for > most use cases because the code for the initializer function was > generated eagarly and it was usually alive as long as the class was > alive, so the initializer wouldn't normally be lazily parsed. This > didn't work, however, when the class was snapshotted with > v8::SnapshotCreator::FunctionCodeHandling::kClear, > becuase then we needed to recompile the initializer when the class > was instantiated. This patch implements the reparsing so that > these classes can work with FunctionCodeHandling::kClear. > > This patch refactors ParserBase::ParseClassLiteral() so that we can > reuse it for both parsing the class body normally and reparsing it > to collect initializers. When reparsing the synthetic initializer > function, we rewind the scanner to the beginning of the class, and > parse the class body to collect the initializers. During the > reparsing, field initializers are parsed with the full parser while > methods of the class are pre-parsed. > > A few notable changes: > > - Extended the source range of the initializer function to cover the > entire class so that we can rewind the scanner to parse the class > body to collect initializers (previously, it starts from the first > field initializer and ends at the last initializer). This resulted > some expectation changes in the debugger tests, though the > initializers remain debuggable. > - A temporary ClassScope is created during reparsing. After the class > is reparsed, we use the information from the ScopeInfo to update > the allocated indices of the variables in the ClassScope. > > Bug: v8:10704 > Change-Id: Ifb6431a1447d8844f2a548283d59158742fe9027 > Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2988830 > Reviewed-by: Leszek Swirski <leszeks@chromium.org> > Reviewed-by: Toon Verwaest <verwaest@chromium.org> > Commit-Queue: Joyee Cheung <joyee@igalia.com> > Cr-Commit-Position: refs/heads/main@{#78299} Bug: v8:10704 Change-Id: I039cb728ebf0ada438a8f26c7d2c2547dbe3bf2d No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3325328 Auto-Submit: Joyee Cheung <joyee@igalia.com> Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com> Reviewed-by: Marja Hölttä <marja@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#78315}
2021-12-09 03:11:18 +00:00
[|C|bar()] = |_|6|R|;
}
|R|