Bug 158001 – Use auto for some of our lambda function parameters

• Component: WebCore Misc.
• Status: RESOLVED FIXED

[Chris Dumez]

Use auto for some of our lambda function parameters now that we build with c++14.

[Chris Dumez]

Created attachment 279593 [details]
Patch

[Chris Dumez]

Created attachment 279595 [details]
Patch

[WebKit Commit Bot]

Attachment 279595 [details] did not pass style-queue:


ERROR: Source/WebCore/accessibility/AccessibilityRenderObject.cpp:3248:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:213:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:217:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WTF/wtf/BubbleSort.h:92:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 4 in 46 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Chris Dumez]

Created attachment 279597 [details]
Patch

[WebKit Commit Bot]

Attachment 279597 [details] did not pass style-queue:


ERROR: Source/WebCore/accessibility/AccessibilityRenderObject.cpp:3248:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:213:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:217:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WTF/wtf/BubbleSort.h:92:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 4 in 45 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Chris Dumez]

Hmm, GTK seems to have issues with this but not EFL, weird.

[Chris Dumez]

Created attachment 279599 [details]
Patch

[WebKit Commit Bot]

Attachment 279599 [details] did not pass style-queue:


ERROR: Source/WebCore/accessibility/AccessibilityRenderObject.cpp:3248:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:213:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:217:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WTF/wtf/BubbleSort.h:92:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 4 in 45 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Chris Dumez]

Created attachment 279601 [details]
Patch

[Chris Dumez]

Trying to scale down the patch until it builds on GTK.

[WebKit Commit Bot]

Attachment 279601 [details] did not pass style-queue:


ERROR: Source/WebCore/accessibility/AccessibilityRenderObject.cpp:3248:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:213:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:217:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WTF/wtf/BubbleSort.h:92:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 4 in 45 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Chris Dumez]

Created attachment 279604 [details]
Patch

[Chris Dumez]

Created attachment 279606 [details]
Patch

[WebKit Commit Bot]

Attachment 279606 [details] did not pass style-queue:


ERROR: Source/WebCore/accessibility/AccessibilityRenderObject.cpp:3248:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:213:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:217:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WTF/wtf/BubbleSort.h:92:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 4 in 45 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Chris Dumez]

Comment on attachment 279606 [details]
Patch

GTK is building!

[Darin Adler]

Comment on attachment 279606 [details]
Patch

Could you make the style bot happy so the next person who modifies these won’t see a complaint?

Many of those const auto& could just be auto& instead; I don’t think the const helps.

[Brady Eidson]

(In reply to comment #16)
> Comment on attachment 279606 [details]
> Patch
> 
> Could you make the style bot happy so the next person who modifies these
> won’t see a complaint?

This is a *long* standing deficiency in the style bot, around ever since we started using lambdas and std::functions

https://bugs.webkit.org/show_bug.cgi?id=124730
https://bugs.webkit.org/show_bug.cgi?id=125616

I think the reason it remains unfixed is because nobody knows how to distinguish between function definitions and lambdas in the current style bot infrastructure.

[Brady Eidson]

(In reply to comment #17)
> (In reply to comment #16)
> > Comment on attachment 279606 [details]
> > Patch
> > 
> > Could you make the style bot happy so the next person who modifies these
> > won’t see a complaint?
> 
> This is a *long* standing deficiency in the style bot, around ever since we
> started using lambdas and std::functions
> 
> https://bugs.webkit.org/show_bug.cgi?id=124730
> https://bugs.webkit.org/show_bug.cgi?id=125616
> 
> I think the reason it remains unfixed is because nobody knows how to
> distinguish between function definitions and lambdas in the current style
> bot infrastructure.

And, of course, I might be completely wrong about that, because I see in one of those I suggested the fix and in the other I (maybe) partially implemented the fix.

Maybe it's solvable.

[Chris Dumez]

Created attachment 279655 [details]
Patch

[Chris Dumez]

(In reply to comment #18)
> (In reply to comment #17)
> > (In reply to comment #16)
> > > Comment on attachment 279606 [details]
> > > Patch
> > > 
> > > Could you make the style bot happy so the next person who modifies these
> > > won’t see a complaint?
> > 
> > This is a *long* standing deficiency in the style bot, around ever since we
> > started using lambdas and std::functions
> > 
> > https://bugs.webkit.org/show_bug.cgi?id=124730
> > https://bugs.webkit.org/show_bug.cgi?id=125616
> > 
> > I think the reason it remains unfixed is because nobody knows how to
> > distinguish between function definitions and lambdas in the current style
> > bot infrastructure.
> 
> And, of course, I might be completely wrong about that, because I see in one
> of those I suggested the fix and in the other I (maybe) partially
> implemented the fix.
> 
> Maybe it's solvable.

I do think this is a style script bug. putting the curly bracket on the next line does not look right in such cases.

[Brady Eidson]

(In reply to comment #20)
> (In reply to comment #18)
> > (In reply to comment #17)
> > > (In reply to comment #16)
> > > > Comment on attachment 279606 [details]
> > > > Patch
> > > > 
> > > > Could you make the style bot happy so the next person who modifies these
> > > > won’t see a complaint?
> > > 
> > > This is a *long* standing deficiency in the style bot, around ever since we
> > > started using lambdas and std::functions
> > > 
> > > https://bugs.webkit.org/show_bug.cgi?id=124730
> > > https://bugs.webkit.org/show_bug.cgi?id=125616
> > > 
> > > I think the reason it remains unfixed is because nobody knows how to
> > > distinguish between function definitions and lambdas in the current style
> > > bot infrastructure.
> > 
> > And, of course, I might be completely wrong about that, because I see in one
> > of those I suggested the fix and in the other I (maybe) partially
> > implemented the fix.
> > 
> > Maybe it's solvable.
> 
> I do think this is a style script bug. putting the curly bracket on the next
> line does not look right in such cases.

There's no debate that the style checker is getting this wrong - It is.

It's just that nobody has fixed it to get it right and then update the style guidelines on the site.

[WebKit Commit Bot]

Attachment 279655 [details] did not pass style-queue:


ERROR: Source/WebCore/accessibility/AccessibilityRenderObject.cpp:3248:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:213:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WebKit2/Shared/API/Cocoa/_WKRemoteObjectInterface.mm:217:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
ERROR: Source/WTF/wtf/BubbleSort.h:92:  Place brace on its own line for function definitions.  [whitespace/braces] [4]
Total errors found: 4 in 45 files


If any of these errors are false positives, please file a bug against check-webkit-style.

[Chris Dumez]

Created attachment 279657 [details]
Patch

[Chris Dumez]

I tweaked the style checker to stop warning in this case. It is probably not perfect but it seems to work.

[Chris Dumez]

Created attachment 279660 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 279660 [details]
Patch

Rejecting attachment 279660 [details] from commit-queue.

Failed to run "['/Volumes/Data/EWS/WebKit/Tools/Scripts/webkit-patch', '--status-host=webkit-queues.webkit.org', '--bot-id=webkit-cq-02', 'validate-changelog', '--check-oops', '--non-interactive', 279660, '--port=mac']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit

ChangeLog entry in Source/WTF/ChangeLog contains OOPS!.

Full output: http://webkit-queues.webkit.org/results/1375417

[Chris Dumez]

Created attachment 279662 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 279662 [details]
Patch

Rejecting attachment 279662 [details] from commit-queue.

Failed to run "['/Volumes/Data/EWS/WebKit/Tools/Scripts/webkit-patch', '--status-host=webkit-queues.webkit.org', '--bot-id=webkit-cq-02', 'validate-changelog', '--check-oops', '--non-interactive', 279662, '--port=mac']" exit_code: 1 cwd: /Volumes/Data/EWS/WebKit

ChangeLog entry in Tools/ChangeLog contains OOPS!.

Full output: http://webkit-queues.webkit.org/results/1375435

[Chris Dumez]

Created attachment 279664 [details]
Patch

[Chris Dumez]

Comment on attachment 279664 [details]
Patch

Clearing flags on attachment: 279664

Committed r201333: <http://trac.webkit.org/changeset/201333>

[Chris Dumez]

All reviewed patches have been landed.  Closing bug.