Attachment 361893 Details for Bug 194581 – proposed patch.

[patch] proposed patch.

bug-194581.patch (text/plain), 2.40 KB, created by Mark Lam on 2019-02-12 22:09:47 PST

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Creator: Mark Lam

Created: 2019-02-12 22:09:47 PST

Size: 2.40 KB

patch

obsolete

>Index: Source/WebCore/ChangeLog
>===================================================================
>--- Source/WebCore/ChangeLog	(revision 241339)
>+++ Source/WebCore/ChangeLog	(working copy)
>@@ -1,3 +1,20 @@
>+2019-02-12  Mark Lam  <mark.lam@apple.com>
>+
>+        Remove unnecessary null check in bindings.
>+        https://bugs.webkit.org/show_bug.cgi?id=194581
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        It is always save to call visitor.containsOpaqueRoot(root) with a null root pointer.
>+        It will just return false.  Since we don't expect the root pointer to be null in
>+        he common case, having a null check here is also not be optimal.  We'll remove this
>+        unneeded null check.
>+
>+        * bindings/scripts/CodeGeneratorJS.pm:
>+        (GenerateImplementation):
>+        * bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp:
>+        (WebCore::JSTestGenerateIsReachableOwner::isReachableFromOpaqueRoots):
>+
> 2019-02-12  Rob Buis  <rbuis@igalia.com>
> 
>         Align with Fetch on data: URLs
>Index: Source/WebCore/bindings/scripts/CodeGeneratorJS.pm
>===================================================================
>--- Source/WebCore/bindings/scripts/CodeGeneratorJS.pm	(revision 241316)
>+++ Source/WebCore/bindings/scripts/CodeGeneratorJS.pm	(working copy)
>@@ -4679,7 +4679,7 @@ sub GenerateImplementation
>             }
> 
>             push(@implContent, $rootString);
>-            push(@implContent, "    return root && visitor.containsOpaqueRoot(root);\n");
>+            push(@implContent, "    return visitor.containsOpaqueRoot(root);\n");
>         } else {
>             if (!$emittedJSCast) {
>                 push(@implContent, "    UNUSED_PARAM(handle);\n");
>Index: Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp
>===================================================================
>--- Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp	(revision 241316)
>+++ Source/WebCore/bindings/scripts/test/JS/JSTestGenerateIsReachable.cpp	(working copy)
>@@ -204,7 +204,7 @@ bool JSTestGenerateIsReachableOwner::isR
>     TestGenerateIsReachable* root = &jsTestGenerateIsReachable->wrapped();
>     if (UNLIKELY(reason))
>         *reason = "Reachable from TestGenerateIsReachable";
>-    return root && visitor.containsOpaqueRoot(root);
>+    return visitor.containsOpaqueRoot(root);
> }
> 
> void JSTestGenerateIsReachableOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)

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