Title: [208070] trunk
Revision
208070
Author
utatane....@gmail.com
Date
2016-10-28 14:33:30 -0700 (Fri, 28 Oct 2016)

Log Message

[DOMJIT] Implement Document::documentElement
https://bugs.webkit.org/show_bug.cgi?id=164113

Reviewed by Sam Weinig.

Source/WebCore:

Test: js/dom/domjit-accessor-document-element.html

This patch implements document.documentElement DOMJIT accessor.
Similar to ownerDocument accessor, the way to access to document.documentElement
from JIT code is already prepared for CSSJIT. DOMJIT just utilizes the existing
functionality: using documentElementMemoryOffset().

document.documentElement is frequently called in jQuery. Especially, every time
we call jQuery.attr(), this is called.

To implement Document accessor, we clean up some code in DOMJITHelpers.
We create the cpp file for DOMJITHelpers and move some helpers to it.
And we also implement DOMJIT::checkDOM<DOMInterface> for convenience.
It returns appropriate CheckDOM patchpoint implementation.

This patch improves Dromaeo jslib-attr-jquery.html 10% (481.64 v.s. 532.54).

* CMakeLists.txt:
* WebCore.xcodeproj/project.pbxproj:
* cssjit/SelectorCompiler.cpp:
(WebCore::SelectorCompiler::SelectorCodeGenerator::generateElementIsScopeRoot):
* dom/Document.idl:
* domjit/DOMJITAbstractHeapRepository.h:
* domjit/DOMJITCheckDOM.h: Copied from Source/WebCore/domjit/DOMJITAbstractHeapRepository.h.
(WebCore::DOMJIT::TypeChecker<Node>::branchIfFail):
(WebCore::DOMJIT::TypeChecker<Document>::branchIfFail):
(WebCore::DOMJIT::TypeChecker<Event>::branchIfFail):
(WebCore::DOMJIT::TypeChecker<Element>::branchIfFail):
(WebCore::DOMJIT::checkDOM):
* domjit/DOMJITHelpers.cpp: Copied from Source/WebCore/domjit/DOMJITAbstractHeapRepository.h.
(WebCore::DOMJIT::loadDocument):
(WebCore::DOMJIT::loadDocumentElement):
* domjit/DOMJITHelpers.h:
(WebCore::DOMJIT::toWrapperSlow):
(WebCore::DOMJIT::loadDocument): Deleted.
* domjit/JSDocumentDOMJIT.cpp: Added.
(WebCore::DocumentDocumentElementDOMJIT::checkDOM):
(WebCore::DocumentDocumentElementDOMJIT::callDOM):
* domjit/JSNodeDOMJIT.cpp:
(WebCore::createCallDOMForOffsetAccess):
(WebCore::NodeFirstChildDOMJIT::checkDOM):
(WebCore::NodeLastChildDOMJIT::checkDOM):
(WebCore::NodeNextSiblingDOMJIT::checkDOM):
(WebCore::NodePreviousSiblingDOMJIT::checkDOM):
(WebCore::NodeParentNodeDOMJIT::checkDOM):
(WebCore::NodeNodeTypeDOMJIT::checkDOM):
(WebCore::NodeOwnerDocumentDOMJIT::checkDOM):
(WebCore::NodeOwnerDocumentDOMJIT::callDOM):
(WebCore::toWrapperSlow): Deleted.
(WebCore::checkNode): Deleted.

LayoutTests:

* js/dom/domjit-accessor-document-element-changed-expected.txt: Added.
* js/dom/domjit-accessor-document-element-changed.html: Added.
* js/dom/domjit-accessor-document-element-expected.txt: Added.
* js/dom/domjit-accessor-document-element.html: Added.

Modified Paths

Added Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (208069 => 208070)


--- trunk/LayoutTests/ChangeLog	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/LayoutTests/ChangeLog	2016-10-28 21:33:30 UTC (rev 208070)
@@ -1,3 +1,15 @@
+2016-10-28  Yusuke Suzuki  <utatane....@gmail.com>
+
+        [DOMJIT] Implement Document::documentElement
+        https://bugs.webkit.org/show_bug.cgi?id=164113
+
+        Reviewed by Sam Weinig.
+
+        * js/dom/domjit-accessor-document-element-changed-expected.txt: Added.
+        * js/dom/domjit-accessor-document-element-changed.html: Added.
+        * js/dom/domjit-accessor-document-element-expected.txt: Added.
+        * js/dom/domjit-accessor-document-element.html: Added.
+
 2016-10-28  Simon Fraser  <simon.fra...@apple.com>
 
         Wrong blur radius for filter: drop-shadow()

Added: trunk/LayoutTests/js/dom/domjit-accessor-document-element-changed-expected.txt (0 => 208070)


--- trunk/LayoutTests/js/dom/domjit-accessor-document-element-changed-expected.txt	                        (rev 0)
+++ trunk/LayoutTests/js/dom/domjit-accessor-document-element-changed-expected.txt	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,11 @@
+Test DOMJIT documentElement accessor works after the documentElement is changed.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS testNull(target, result) is false
+PASS testNull(target, result) is true
+PASS successfullyParsed is true
+
+TEST COMPLETE
+

Added: trunk/LayoutTests/js/dom/domjit-accessor-document-element-changed.html (0 => 208070)


--- trunk/LayoutTests/js/dom/domjit-accessor-document-element-changed.html	                        (rev 0)
+++ trunk/LayoutTests/js/dom/domjit-accessor-document-element-changed.html	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src=""
+</head>
+<body>
+<script>
+description('Test DOMJIT documentElement accessor works after the documentElement is changed.');
+
+var target = null;
+var result = null;
+
+function testNull(element, result)
+{
+    return element.documentElement === result;
+}
+
+function runTest()
+{
+    target = document.implementation.createDocument('', null, null);
+    var element = target.createElement('html');
+    result = null;
+    for (var i = 0; i < 1e4; ++i)
+        shouldBeTrueQuiet(`testNull(target, result)`);
+
+    target.appendChild(element);
+    shouldBeFalse(`testNull(target, result)`);
+    result = element;
+    shouldBeTrue(`testNull(target, result)`);
+
+}
+runTest();
+</script>
+<script src=""
+</body>
+</html>

Added: trunk/LayoutTests/js/dom/domjit-accessor-document-element-expected.txt (0 => 208070)


--- trunk/LayoutTests/js/dom/domjit-accessor-document-element-expected.txt	                        (rev 0)
+++ trunk/LayoutTests/js/dom/domjit-accessor-document-element-expected.txt	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,39 @@
+Test DOMJIT documentElement accessor works.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS successfullyParsed is true
+
+TEST COMPLETE
+PASS (
+            function testHTMLDocument(element, result)
+            {
+                for (var i = 0; i < 1e4; ++i) {
+                    if (element.documentElement !== result)
+                        return false;
+                }
+                return true;
+            }
+        )(target, result) is true
+PASS (
+            function testXMLDocument(element, result)
+            {
+                for (var i = 0; i < 1e4; ++i) {
+                    if (element.documentElement !== result)
+                        return false;
+                }
+                return true;
+            }
+        )(target, result) is true
+PASS (
+            function testNull(element, result)
+            {
+                for (var i = 0; i < 1e4; ++i) {
+                    if (element.documentElement !== result)
+                        return false;
+                }
+                return true;
+            }
+        )(target, result) is true
+

Added: trunk/LayoutTests/js/dom/domjit-accessor-document-element.html (0 => 208070)


--- trunk/LayoutTests/js/dom/domjit-accessor-document-element.html	                        (rev 0)
+++ trunk/LayoutTests/js/dom/domjit-accessor-document-element.html	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,49 @@
+<!DOCTYPE html>
+<html>
+<head>
+<script src=""
+</head>
+<body>
+<iframe id="xmlframe" _onload_="frameLoaded()" style="height:0px" src="" version='1.0' encoding='UTF-8'?><body/>"></iframe>
+<script>
+description('Test DOMJIT documentElement accessor works.');
+
+if (window.testRunner)
+    testRunner.waitUntilDone();
+
+var target = null;
+var result = null;
+function runTest()
+{
+    var xmlDocument = document.getElementById('xmlframe').contentDocument;
+    var targets = [
+        ['HTMLDocument', document, document.firstElementChild],
+        ['XMLDocument', xmlDocument, xmlDocument.firstElementChild],
+        ['Null', document.implementation.createDocument('', null, null), null],
+    ];
+
+    for ([name, target, result] of targets) {
+        var text = `
+            function test${name}(element, result)
+            {
+                for (var i = 0; i < 1e4; ++i) {
+                    if (element.documentElement !== result)
+                        return false;
+                }
+                return true;
+            }
+        `;
+        shouldBeTrue(`(${text})(target, result)`);
+    }
+
+    if (window.testRunner)
+        testRunner.notifyDone();
+}
+function frameLoaded()
+{
+    runTest();
+}
+</script>
+<script src=""
+</body>
+</html>

Modified: trunk/Source/WebCore/CMakeLists.txt (208069 => 208070)


--- trunk/Source/WebCore/CMakeLists.txt	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/CMakeLists.txt	2016-10-28 21:33:30 UTC (rev 208070)
@@ -1545,6 +1545,8 @@
     dom/default/PlatformMessagePortChannel.cpp
 
     domjit/DOMJITAbstractHeapRepository.cpp
+    domjit/DOMJITHelpers.cpp
+    domjit/JSDocumentDOMJIT.cpp
     domjit/JSNodeDOMJIT.cpp
 
     editing/AlternativeTextController.cpp

Modified: trunk/Source/WebCore/ChangeLog (208069 => 208070)


--- trunk/Source/WebCore/ChangeLog	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/ChangeLog	2016-10-28 21:33:30 UTC (rev 208070)
@@ -1,3 +1,61 @@
+2016-10-28  Yusuke Suzuki  <utatane....@gmail.com>
+
+        [DOMJIT] Implement Document::documentElement
+        https://bugs.webkit.org/show_bug.cgi?id=164113
+
+        Reviewed by Sam Weinig.
+
+        Test: js/dom/domjit-accessor-document-element.html
+
+        This patch implements document.documentElement DOMJIT accessor.
+        Similar to ownerDocument accessor, the way to access to document.documentElement
+        from JIT code is already prepared for CSSJIT. DOMJIT just utilizes the existing
+        functionality: using documentElementMemoryOffset().
+
+        document.documentElement is frequently called in jQuery. Especially, every time
+        we call jQuery.attr(), this is called.
+
+        To implement Document accessor, we clean up some code in DOMJITHelpers.
+        We create the cpp file for DOMJITHelpers and move some helpers to it.
+        And we also implement DOMJIT::checkDOM<DOMInterface> for convenience.
+        It returns appropriate CheckDOM patchpoint implementation.
+
+        This patch improves Dromaeo jslib-attr-jquery.html 10% (481.64 v.s. 532.54).
+
+        * CMakeLists.txt:
+        * WebCore.xcodeproj/project.pbxproj:
+        * cssjit/SelectorCompiler.cpp:
+        (WebCore::SelectorCompiler::SelectorCodeGenerator::generateElementIsScopeRoot):
+        * dom/Document.idl:
+        * domjit/DOMJITAbstractHeapRepository.h:
+        * domjit/DOMJITCheckDOM.h: Copied from Source/WebCore/domjit/DOMJITAbstractHeapRepository.h.
+        (WebCore::DOMJIT::TypeChecker<Node>::branchIfFail):
+        (WebCore::DOMJIT::TypeChecker<Document>::branchIfFail):
+        (WebCore::DOMJIT::TypeChecker<Event>::branchIfFail):
+        (WebCore::DOMJIT::TypeChecker<Element>::branchIfFail):
+        (WebCore::DOMJIT::checkDOM):
+        * domjit/DOMJITHelpers.cpp: Copied from Source/WebCore/domjit/DOMJITAbstractHeapRepository.h.
+        (WebCore::DOMJIT::loadDocument):
+        (WebCore::DOMJIT::loadDocumentElement):
+        * domjit/DOMJITHelpers.h:
+        (WebCore::DOMJIT::toWrapperSlow):
+        (WebCore::DOMJIT::loadDocument): Deleted.
+        * domjit/JSDocumentDOMJIT.cpp: Added.
+        (WebCore::DocumentDocumentElementDOMJIT::checkDOM):
+        (WebCore::DocumentDocumentElementDOMJIT::callDOM):
+        * domjit/JSNodeDOMJIT.cpp:
+        (WebCore::createCallDOMForOffsetAccess):
+        (WebCore::NodeFirstChildDOMJIT::checkDOM):
+        (WebCore::NodeLastChildDOMJIT::checkDOM):
+        (WebCore::NodeNextSiblingDOMJIT::checkDOM):
+        (WebCore::NodePreviousSiblingDOMJIT::checkDOM):
+        (WebCore::NodeParentNodeDOMJIT::checkDOM):
+        (WebCore::NodeNodeTypeDOMJIT::checkDOM):
+        (WebCore::NodeOwnerDocumentDOMJIT::checkDOM):
+        (WebCore::NodeOwnerDocumentDOMJIT::callDOM):
+        (WebCore::toWrapperSlow): Deleted.
+        (WebCore::checkNode): Deleted.
+
 2016-10-28  Dave Hyatt  <hy...@apple.com>
 
         [CSS Parser] Support initial-letter

Modified: trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj (208069 => 208070)


--- trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj	2016-10-28 21:33:30 UTC (rev 208070)
@@ -6207,11 +6207,14 @@
 		E377FE4D1DADE16500CDD025 /* NodeConstants.h in Headers */ = {isa = PBXBuildFile; fileRef = E3D049931DADC04500718F3C /* NodeConstants.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E38838981BAD145F00D62EE3 /* ScriptModuleLoader.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E38838941BAD145F00D62EE3 /* ScriptModuleLoader.cpp */; };
 		E38838991BAD145F00D62EE3 /* ScriptModuleLoader.h in Headers */ = {isa = PBXBuildFile; fileRef = E38838951BAD145F00D62EE3 /* ScriptModuleLoader.h */; };
+		E398FC241DC32A20003C4684 /* DOMJITHelpers.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E398FC231DC32A1B003C4684 /* DOMJITHelpers.cpp */; };
 		E3B2F0EB1D7F4C9D00B0C9D1 /* LoadableClassicScript.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E3B2F0E31D7F35EC00B0C9D1 /* LoadableClassicScript.cpp */; };
 		E3B2F0EC1D7F4CA100B0C9D1 /* LoadableScript.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E3B2F0E91D7F3D3C00B0C9D1 /* LoadableScript.cpp */; };
 		E3B2F0ED1D7F4CA300B0C9D1 /* LoadableScript.h in Headers */ = {isa = PBXBuildFile; fileRef = E3B2F0E71D7F35EC00B0C9D1 /* LoadableScript.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E3B2F0EE1D7F4CA900B0C9D1 /* LoadableScriptClient.h in Headers */ = {isa = PBXBuildFile; fileRef = E3B2F0E81D7F35EC00B0C9D1 /* LoadableScriptClient.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E3B2F0F01D7F4CB500B0C9D1 /* LoadableClassicScript.h in Headers */ = {isa = PBXBuildFile; fileRef = E3B2F0E41D7F35EC00B0C9D1 /* LoadableClassicScript.h */; settings = {ATTRIBUTES = (Private, ); }; };
+		E3B7C0631DC34160001FB0B8 /* JSDocumentDOMJIT.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E3B7C0621DC3415A001FB0B8 /* JSDocumentDOMJIT.cpp */; };
+		E3C99A091DC3D41C00794AD3 /* DOMJITCheckDOM.h in Headers */ = {isa = PBXBuildFile; fileRef = E3C99A081DC3D41700794AD3 /* DOMJITCheckDOM.h */; };
 		E3FA38641D71812D00AA5950 /* PendingScriptClient.h in Headers */ = {isa = PBXBuildFile; fileRef = E3FA38611D716E7600AA5950 /* PendingScriptClient.h */; };
 		E401C27517CE53EC00C41A35 /* ElementIteratorAssertions.h in Headers */ = {isa = PBXBuildFile; fileRef = E401C27417CE53EC00C41A35 /* ElementIteratorAssertions.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		E401E0A41C3C0B8300F34D10 /* StyleChange.h in Headers */ = {isa = PBXBuildFile; fileRef = E401E0A31C3C0B8300F34D10 /* StyleChange.h */; settings = {ATTRIBUTES = (Private, ); }; };
@@ -14038,6 +14041,7 @@
 		E35CA14C1DBC3A3C00F83516 /* DOMJITAbstractHeapRepository.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DOMJITAbstractHeapRepository.h; sourceTree = "<group>"; };
 		E38838941BAD145F00D62EE3 /* ScriptModuleLoader.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ScriptModuleLoader.cpp; sourceTree = "<group>"; };
 		E38838951BAD145F00D62EE3 /* ScriptModuleLoader.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ScriptModuleLoader.h; sourceTree = "<group>"; };
+		E398FC231DC32A1B003C4684 /* DOMJITHelpers.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = DOMJITHelpers.cpp; sourceTree = "<group>"; };
 		E3AFA9641DA6E908002861BD /* JSNodeDOMJIT.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSNodeDOMJIT.cpp; sourceTree = "<group>"; };
 		E3B2F0E31D7F35EC00B0C9D1 /* LoadableClassicScript.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = LoadableClassicScript.cpp; sourceTree = "<group>"; };
 		E3B2F0E41D7F35EC00B0C9D1 /* LoadableClassicScript.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LoadableClassicScript.h; sourceTree = "<group>"; };
@@ -14044,6 +14048,8 @@
 		E3B2F0E71D7F35EC00B0C9D1 /* LoadableScript.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LoadableScript.h; sourceTree = "<group>"; };
 		E3B2F0E81D7F35EC00B0C9D1 /* LoadableScriptClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LoadableScriptClient.h; sourceTree = "<group>"; };
 		E3B2F0E91D7F3D3C00B0C9D1 /* LoadableScript.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = LoadableScript.cpp; sourceTree = "<group>"; };
+		E3B7C0621DC3415A001FB0B8 /* JSDocumentDOMJIT.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSDocumentDOMJIT.cpp; sourceTree = "<group>"; };
+		E3C99A081DC3D41700794AD3 /* DOMJITCheckDOM.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DOMJITCheckDOM.h; sourceTree = "<group>"; };
 		E3D049931DADC04500718F3C /* NodeConstants.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NodeConstants.h; sourceTree = "<group>"; };
 		E3FA38611D716E7600AA5950 /* PendingScriptClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PendingScriptClient.h; sourceTree = "<group>"; };
 		E401C27417CE53EC00C41A35 /* ElementIteratorAssertions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ElementIteratorAssertions.h; sourceTree = "<group>"; };
@@ -22822,7 +22828,10 @@
 			children = (
 				E35CA14B1DBC3A3C00F83516 /* DOMJITAbstractHeapRepository.cpp */,
 				E35CA14C1DBC3A3C00F83516 /* DOMJITAbstractHeapRepository.h */,
+				E3C99A081DC3D41700794AD3 /* DOMJITCheckDOM.h */,
+				E398FC231DC32A1B003C4684 /* DOMJITHelpers.cpp */,
 				E3150EA51DA7218D00194012 /* DOMJITHelpers.h */,
+				E3B7C0621DC3415A001FB0B8 /* JSDocumentDOMJIT.cpp */,
 				E3AFA9641DA6E908002861BD /* JSNodeDOMJIT.cpp */,
 			);
 			path = domjit;
@@ -27397,6 +27406,7 @@
 				B2227A8F0D00BF220071B782 /* SVGPolyElement.h in Headers */,
 				B2227A910D00BF220071B782 /* SVGPolygonElement.h in Headers */,
 				B2227A940D00BF220071B782 /* SVGPolylineElement.h in Headers */,
+				E3C99A091DC3D41C00794AD3 /* DOMJITCheckDOM.h in Headers */,
 				B2227A970D00BF220071B782 /* SVGPreserveAspectRatio.h in Headers */,
 				088A0E0A126EF1DB00978F7A /* SVGProperty.h in Headers */,
 				081DD49C13BA1A6000DC7627 /* SVGPropertyInfo.h in Headers */,
@@ -29026,6 +29036,7 @@
 				A871DE240A152AC800B12A68 /* HTMLIFrameElement.cpp in Sources */,
 				A8EA7D310A19385500A8EF5F /* HTMLImageElement.cpp in Sources */,
 				A8EA7D300A19385500A8EF5F /* HTMLImageLoader.cpp in Sources */,
+				E3B7C0631DC34160001FB0B8 /* JSDocumentDOMJIT.cpp in Sources */,
 				A81369CD097374F600D74463 /* HTMLInputElement.cpp in Sources */,
 				93309DE5099E64920056E581 /* HTMLInterchange.cpp in Sources */,
 				A81369E5097374F600D74463 /* HTMLKeygenElement.cpp in Sources */,
@@ -29334,6 +29345,7 @@
 				9BD4E9161C462872005065BC /* JSCustomElementInterface.cpp in Sources */,
 				9BE6710B1D5AEB2100345514 /* JSCustomElementRegistry.cpp in Sources */,
 				9BC5F9E01D5AAF6B002B749D /* JSCustomElementRegistryCustom.cpp in Sources */,
+				E398FC241DC32A20003C4684 /* DOMJITHelpers.cpp in Sources */,
 				E4778B7F115A581A00B5D372 /* JSCustomEvent.cpp in Sources */,
 				DEC297611B4F2F8D005F5945 /* JSCustomEventCustom.cpp in Sources */,
 				51EC92650CE90DD400F90308 /* JSCustomSQLStatementErrorCallback.cpp in Sources */,

Modified: trunk/Source/WebCore/cssjit/SelectorCompiler.cpp (208069 => 208070)


--- trunk/Source/WebCore/cssjit/SelectorCompiler.cpp	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/cssjit/SelectorCompiler.cpp	2016-10-28 21:33:30 UTC (rev 208070)
@@ -3790,7 +3790,7 @@
     Assembler::Jump scopeIsNotNull = m_assembler.branchTestPtr(Assembler::NonZero, scope);
 
     DOMJIT::loadDocument(m_assembler, elementAddressRegister, scope);
-    m_assembler.loadPtr(Assembler::Address(scope, Document::documentElementMemoryOffset()), scope);
+    DOMJIT::loadDocumentElement(m_assembler, scope, scope);
 
     scopeIsNotNull.link(&m_assembler);
     failureCases.append(m_assembler.branchPtr(Assembler::NotEqual, scope, elementAddressRegister));

Modified: trunk/Source/WebCore/dom/Document.idl (208069 => 208070)


--- trunk/Source/WebCore/dom/Document.idl	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/dom/Document.idl	2016-10-28 21:33:30 UTC (rev 208070)
@@ -29,7 +29,7 @@
 ] interface Document : Node {
     readonly attribute DocumentType? doctype;
     readonly attribute DOMImplementation implementation;
-    readonly attribute Element? documentElement;
+    [DOMJIT] readonly attribute Element? documentElement;
 
     [NewObject, MayThrowLegacyException, ImplementedAs=createElementForBindings] Element createElement(DOMString tagName);
     [NewObject] DocumentFragment createDocumentFragment();

Modified: trunk/Source/WebCore/domjit/DOMJITAbstractHeapRepository.h (208069 => 208070)


--- trunk/Source/WebCore/domjit/DOMJITAbstractHeapRepository.h	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/domjit/DOMJITAbstractHeapRepository.h	2016-10-28 21:33:30 UTC (rev 208070)
@@ -43,6 +43,8 @@
     V(Node_nextSibling, Node) \
     V(Node_previousSibling, Node) \
     V(Node_ownerDocument, Node) \
+    V(Document, DOM) \
+    V(Document_documentElement, Document) \
 
 
 class AbstractHeapRepository {

Copied: trunk/Source/WebCore/domjit/DOMJITCheckDOM.h (from rev 208069, trunk/Source/WebCore/domjit/DOMJITAbstractHeapRepository.h) (0 => 208070)


--- trunk/Source/WebCore/domjit/DOMJITCheckDOM.h	                        (rev 0)
+++ trunk/Source/WebCore/domjit/DOMJITCheckDOM.h	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#pragma once
+
+#include "DOMJITHelpers.h"
+
+#if ENABLE(JIT)
+
+#include "Document.h"
+#include "Element.h"
+#include "Event.h"
+#include "Node.h"
+
+namespace WebCore { namespace DOMJIT {
+
+template<typename DOMInterface>
+struct TypeChecker {
+};
+
+template<>
+struct TypeChecker<Node> {
+    static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom)
+    {
+        return DOMJIT::branchIfNotNode(jit, dom);
+    }
+};
+
+template<>
+struct TypeChecker<Document> {
+    static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom)
+    {
+        return DOMJIT::branchIfNotDocumentWrapper(jit, dom);
+    }
+};
+
+template<>
+struct TypeChecker<Event> {
+    static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom)
+    {
+        return DOMJIT::branchIfNotEvent(jit, dom);
+    }
+};
+
+template<>
+struct TypeChecker<Element> {
+    static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom)
+    {
+        return DOMJIT::branchIfNotElement(jit, dom);
+    }
+};
+
+template<typename DOMInterface>
+Ref<JSC::DOMJIT::Patchpoint> checkDOM()
+{
+    Ref<JSC::DOMJIT::Patchpoint> patchpoint = JSC::DOMJIT::Patchpoint::create();
+    patchpoint->setGenerator([=](CCallHelpers& jit, JSC::DOMJIT::PatchpointParams& params) {
+        return TypeChecker<DOMInterface>::branchIfFail(jit, params[0].gpr());
+    });
+    return patchpoint;
+}
+
+} }
+
+#endif

Copied: trunk/Source/WebCore/domjit/DOMJITHelpers.cpp (from rev 208069, trunk/Source/WebCore/domjit/DOMJITAbstractHeapRepository.h) (0 => 208070)


--- trunk/Source/WebCore/domjit/DOMJITHelpers.cpp	                        (rev 0)
+++ trunk/Source/WebCore/domjit/DOMJITHelpers.cpp	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "DOMJITHelpers.h"
+
+#if ENABLE(JIT)
+
+#include "Document.h"
+#include "JSDOMBinding.h"
+#include "Node.h"
+
+namespace WebCore { namespace DOMJIT {
+
+using JSC::CCallHelpers;
+using JSC::GPRReg;
+using JSC::JSValueRegs;
+using JSC::MacroAssembler;
+
+void loadDocument(MacroAssembler& jit, GPRReg node, GPRReg output)
+{
+    jit.loadPtr(CCallHelpers::Address(node, Node::treeScopeMemoryOffset()), output);
+    jit.loadPtr(CCallHelpers::Address(output, TreeScope::documentScopeMemoryOffset()), output);
+}
+
+void loadDocumentElement(MacroAssembler& jit, GPRReg document, GPRReg output)
+{
+    jit.loadPtr(CCallHelpers::Address(document, Document::documentElementMemoryOffset()), output);
+}
+
+} }
+
+#endif

Modified: trunk/Source/WebCore/domjit/DOMJITHelpers.h (208069 => 208070)


--- trunk/Source/WebCore/domjit/DOMJITHelpers.h	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/domjit/DOMJITHelpers.h	2016-10-28 21:33:30 UTC (rev 208070)
@@ -27,8 +27,10 @@
 #pragma once
 
 #include "JSDOMWrapper.h"
+#include "ScriptWrappable.h"
 #include <domjit/DOMJITPatchpoint.h>
 #include <domjit/DOMJITPatchpointParams.h>
+#include <interpreter/FrameTracers.h>
 
 #if ENABLE(JIT)
 
@@ -51,6 +53,16 @@
     return jit.branchTestPtr(CCallHelpers::NonZero, CCallHelpers::Address(weakImpl, JSC::WeakImpl::offsetOfWeakHandleOwner()), CCallHelpers::TrustedImm32(JSC::WeakImpl::StateMask));
 }
 
+template<typename WrappedNode>
+JSC::EncodedJSValue JIT_OPERATION toWrapperSlow(JSC::ExecState* exec, JSC::JSGlobalObject* globalObject, void* result)
+{
+    ASSERT(exec);
+    ASSERT(result);
+    ASSERT(globalObject);
+    JSC::NativeCallFrameTracer tracer(&exec->vm(), exec);
+    return JSC::JSValue::encode(toJS(exec, static_cast<JSDOMGlobalObject*>(globalObject), *static_cast<WrappedNode*>(result)));
+}
+
 template<typename WrappedType>
 void tryLookUpWrapperCache(CCallHelpers& jit, CCallHelpers::JumpList& failureCases, GPRReg wrapped, GPRReg resultGPR)
 {
@@ -150,11 +162,8 @@
     return jit.branchIfNotType(target, JSC::JSType(JSDocumentWrapperType));
 }
 
-inline void loadDocument(MacroAssembler& jit, GPRReg node, GPRReg output)
-{
-    jit.loadPtr(CCallHelpers::Address(node, Node::treeScopeMemoryOffset()), output);
-    jit.loadPtr(CCallHelpers::Address(output, TreeScope::documentScopeMemoryOffset()), output);
-}
+void loadDocument(MacroAssembler&, GPRReg node, GPRReg output);
+void loadDocumentElement(MacroAssembler&, GPRReg document, GPRReg output);
 
 } }
 

Added: trunk/Source/WebCore/domjit/JSDocumentDOMJIT.cpp (0 => 208070)


--- trunk/Source/WebCore/domjit/JSDocumentDOMJIT.cpp	                        (rev 0)
+++ trunk/Source/WebCore/domjit/JSDocumentDOMJIT.cpp	2016-10-28 21:33:30 UTC (rev 208070)
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "JSDocument.h"
+
+#if ENABLE(JIT)
+
+#include "DOMJITAbstractHeapRepository.h"
+#include "DOMJITCheckDOM.h"
+#include "DOMJITHelpers.h"
+#include "Document.h"
+#include "JSDOMWrapper.h"
+#include "JSElement.h"
+#include <domjit/DOMJITPatchpoint.h>
+#include <domjit/DOMJITPatchpointParams.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+Ref<JSC::DOMJIT::Patchpoint> DocumentDocumentElementDOMJIT::checkDOM()
+{
+    return DOMJIT::checkDOM<Document>();
+}
+
+Ref<JSC::DOMJIT::CallDOMPatchpoint> DocumentDocumentElementDOMJIT::callDOM()
+{
+    const auto& heap = DOMJIT::AbstractHeapRepository::shared();
+    Ref<JSC::DOMJIT::CallDOMPatchpoint> patchpoint = JSC::DOMJIT::CallDOMPatchpoint::create();
+    patchpoint->numGPScratchRegisters = 1;
+    patchpoint->setGenerator([=](CCallHelpers& jit, JSC::DOMJIT::PatchpointParams& params) {
+        JSValueRegs result = params[0].jsValueRegs();
+        GPRReg document = params[1].gpr();
+        GPRReg globalObject = params[2].gpr();
+        JSValue globalObjectValue = params[2].value();
+        GPRReg scratch = params.gpScratch(0);
+
+        jit.loadPtr(CCallHelpers::Address(document, JSDocument::offsetOfWrapped()), scratch);
+        DOMJIT::loadDocumentElement(jit, scratch, scratch);
+        auto nullCase = jit.branchTestPtr(CCallHelpers::Zero, scratch);
+        DOMJIT::toWrapper<Element>(jit, params, scratch, globalObject, result, DOMJIT::toWrapperSlow<Element>, globalObjectValue);
+        auto done = jit.jump();
+
+        nullCase.link(&jit);
+        jit.moveValue(jsNull(), result);
+        done.link(&jit);
+
+        return CCallHelpers::JumpList();
+    });
+    patchpoint->effect = JSC::DOMJIT::Effect::forDef(heap.Document_documentElement);
+    return patchpoint;
+}
+
+}
+
+#endif

Modified: trunk/Source/WebCore/domjit/JSNodeDOMJIT.cpp (208069 => 208070)


--- trunk/Source/WebCore/domjit/JSNodeDOMJIT.cpp	2016-10-28 21:12:41 UTC (rev 208069)
+++ trunk/Source/WebCore/domjit/JSNodeDOMJIT.cpp	2016-10-28 21:33:30 UTC (rev 208070)
@@ -29,6 +29,7 @@
 #if ENABLE(JIT)
 
 #include "DOMJITAbstractHeapRepository.h"
+#include "DOMJITCheckDOM.h"
 #include "DOMJITHelpers.h"
 #include "JSDOMWrapper.h"
 #include "Node.h"
@@ -43,16 +44,6 @@
 enum class IsContainerGuardRequirement { Required, NotRequired };
 
 template<typename WrappedNode>
-EncodedJSValue JIT_OPERATION toWrapperSlow(JSC::ExecState* exec, JSC::JSGlobalObject* globalObject, void* result)
-{
-    ASSERT(exec);
-    ASSERT(result);
-    ASSERT(globalObject);
-    JSC::NativeCallFrameTracer tracer(&exec->vm(), exec);
-    return JSValue::encode(toJS(exec, static_cast<JSDOMGlobalObject*>(globalObject), *static_cast<WrappedNode*>(result)));
-}
-
-template<typename WrappedNode>
 static Ref<JSC::DOMJIT::CallDOMPatchpoint> createCallDOMForOffsetAccess(ptrdiff_t offset, IsContainerGuardRequirement isContainerGuardRequirement)
 {
     Ref<JSC::DOMJIT::CallDOMPatchpoint> patchpoint = JSC::DOMJIT::CallDOMPatchpoint::create();
@@ -74,7 +65,7 @@
         jit.loadPtr(CCallHelpers::Address(scratch, offset), scratch);
         nullCases.append(jit.branchTestPtr(CCallHelpers::Zero, scratch));
 
-        DOMJIT::toWrapper<WrappedNode>(jit, params, scratch, globalObject, result, toWrapperSlow<WrappedNode>, globalObjectValue);
+        DOMJIT::toWrapper<WrappedNode>(jit, params, scratch, globalObject, result, DOMJIT::toWrapperSlow<WrappedNode>, globalObjectValue);
         CCallHelpers::Jump done = jit.jump();
 
         nullCases.link(&jit);
@@ -85,20 +76,9 @@
     return patchpoint;
 }
 
-static Ref<JSC::DOMJIT::Patchpoint> checkNode()
-{
-    Ref<JSC::DOMJIT::Patchpoint> patchpoint = JSC::DOMJIT::Patchpoint::create();
-    patchpoint->setGenerator([=](CCallHelpers& jit, JSC::DOMJIT::PatchpointParams& params) {
-        CCallHelpers::JumpList failureCases;
-        failureCases.append(DOMJIT::branchIfNotNode(jit, params[0].gpr()));
-        return failureCases;
-    });
-    return patchpoint;
-}
-
 Ref<JSC::DOMJIT::Patchpoint> NodeFirstChildDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodeFirstChildDOMJIT::callDOM()
@@ -111,7 +91,7 @@
 
 Ref<JSC::DOMJIT::Patchpoint> NodeLastChildDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodeLastChildDOMJIT::callDOM()
@@ -124,7 +104,7 @@
 
 Ref<JSC::DOMJIT::Patchpoint> NodeNextSiblingDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodeNextSiblingDOMJIT::callDOM()
@@ -137,7 +117,7 @@
 
 Ref<JSC::DOMJIT::Patchpoint> NodePreviousSiblingDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodePreviousSiblingDOMJIT::callDOM()
@@ -150,7 +130,7 @@
 
 Ref<JSC::DOMJIT::Patchpoint> NodeParentNodeDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodeParentNodeDOMJIT::callDOM()
@@ -163,7 +143,7 @@
 
 Ref<JSC::DOMJIT::Patchpoint> NodeNodeTypeDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodeNodeTypeDOMJIT::callDOM()
@@ -184,7 +164,7 @@
 
 Ref<JSC::DOMJIT::Patchpoint> NodeOwnerDocumentDOMJIT::checkDOM()
 {
-    return checkNode();
+    return DOMJIT::checkDOM<Node>();
 }
 
 Ref<JSC::DOMJIT::CallDOMPatchpoint> NodeOwnerDocumentDOMJIT::callDOM()
@@ -207,7 +187,7 @@
         notDocument.link(&jit);
         jit.loadPtr(CCallHelpers::Address(node, JSNode::offsetOfWrapped()), scratch);
         DOMJIT::loadDocument(jit, scratch, scratch);
-        DOMJIT::toWrapper<Document>(jit, params, scratch, globalObject, result, toWrapperSlow<Document>, globalObjectValue);
+        DOMJIT::toWrapper<Document>(jit, params, scratch, globalObject, result, DOMJIT::toWrapperSlow<Document>, globalObjectValue);
         done.link(&jit);
         return CCallHelpers::JumpList();
     });
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