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[JSC] cache TaggedTemplate arrays by callsite rather than by contents
https://bugs.webkit.org/show_bug.cgi?id=182717 Reviewed by Yusuke Suzuki. tc39/ecma262#890 imposes a change to template literals, to allow template callsite arrays to be collected when the code containing the tagged template call is collected. This spec change has received concensus and been ratified. This change eliminates the eternal map associating template contents with arrays. JSTests: * stress/tagged-template-object-collect.js: Renamed from JSTests/stress/tagged-template-registry-key-collect.js. * stress/tagged-template-object.js: Renamed from JSTests/stress/tagged-template-registry-key.js. * stress/tagged-templates-identity.js: * stress/template-string-tags-eval.js: * test262.yaml: Source/JavaScriptCore: * CMakeLists.txt: * JavaScriptCore.xcodeproj/project.pbxproj: * Sources.txt: * bytecode/CodeBlock.cpp: (JSC::CodeBlock::setConstantRegisters): * bytecode/DirectEvalCodeCache.cpp: (JSC::DirectEvalCodeCache::setSlow): * bytecode/UnlinkedCodeBlock.cpp: (JSC::UnlinkedCodeBlock::UnlinkedCodeBlock): * bytecode/UnlinkedCodeBlock.h: (JSC::UnlinkedCodeBlock::allowDirectEvalCache const): * bytecompiler/BytecodeGenerator.cpp: (JSC::BytecodeGenerator::addTemplateObjectConstant): (JSC::BytecodeGenerator::emitGetTemplateObject): (JSC::BytecodeGenerator::addTemplateRegistryKeyConstant): Deleted. * bytecompiler/BytecodeGenerator.h: * parser/Parser.cpp: (JSC::Parser<LexerType>::parseInner): (JSC::Parser<LexerType>::parseMemberExpression): * parser/Parser.h: * parser/ParserModes.h: * runtime/EvalExecutable.h: (JSC::EvalExecutable::allowDirectEvalCache const): * runtime/JSGlobalObject.cpp: (JSC::JSGlobalObject::JSGlobalObject): * runtime/JSGlobalObject.h: (JSC::JSGlobalObject::templateRegistry): Deleted. * runtime/JSTemplateObjectDescriptor.cpp: Renamed from Source/JavaScriptCore/runtime/TemplateRegistry.cpp. (JSC::JSTemplateObjectDescriptor::JSTemplateObjectDescriptor): (JSC::JSTemplateObjectDescriptor::create): (JSC::JSTemplateObjectDescriptor::destroy): (JSC::JSTemplateObjectDescriptor::createTemplateObject): * runtime/JSTemplateObjectDescriptor.h: Renamed from Source/JavaScriptCore/runtime/JSTemplateRegistryKey.h. (JSC::isTemplateObjectDescriptor): * runtime/JSTemplateRegistryKey.cpp: Removed. * runtime/TemplateObjectDescriptor.cpp: Renamed from Source/JavaScriptCore/runtime/TemplateRegistryKey.cpp. (JSC::TemplateObjectDescriptor::~TemplateObjectDescriptor): * runtime/TemplateObjectDescriptor.h: Renamed from Source/JavaScriptCore/runtime/TemplateRegistryKey.h. (JSC::TemplateObjectDescriptor::operator== const): (JSC::TemplateObjectDescriptor::operator!= const): (JSC::TemplateObjectDescriptor::Hasher::hash): (JSC::TemplateObjectDescriptor::Hasher::equal): (JSC::TemplateObjectDescriptor::create): (JSC::TemplateObjectDescriptor::TemplateObjectDescriptor): (JSC::TemplateObjectDescriptor::calculateHash): * runtime/TemplateRegistry.h: Removed. * runtime/TemplateRegistryKeyTable.cpp: Removed. * runtime/TemplateRegistryKeyTable.h: Removed. * runtime/VM.cpp: (JSC::VM::VM): * runtime/VM.h: (JSC::VM::templateRegistryKeyTable): Deleted. * runtime/VMEntryScope.cpp: * CMakeLists.txt: * JavaScriptCore.xcodeproj/project.pbxproj: * Sources.txt: * bytecode/CodeBlock.cpp: (JSC::CodeBlock::setConstantRegisters): * bytecode/DirectEvalCodeCache.cpp: (JSC::DirectEvalCodeCache::setSlow): * bytecode/UnlinkedCodeBlock.h: (JSC::UnlinkedCodeBlock::allowDirectEvalCache const): * bytecompiler/BytecodeGenerator.cpp: (JSC::BytecodeGenerator::addTemplateObjectConstant): (JSC::BytecodeGenerator::emitGetTemplateObject): (JSC::BytecodeGenerator::addTemplateRegistryKeyConstant): Deleted. * bytecompiler/BytecodeGenerator.h: * parser/Parser.cpp: (JSC::Parser<LexerType>::parseInner): (JSC::Parser<LexerType>::parseMemberExpression): * parser/Parser.h: * parser/ParserModes.h: * runtime/EvalExecutable.h: (JSC::EvalExecutable::allowDirectEvalCache const): * runtime/JSGlobalObject.cpp: (JSC::JSGlobalObject::JSGlobalObject): * runtime/JSGlobalObject.h: (JSC::JSGlobalObject::templateRegistry): Deleted. * runtime/JSTemplateObjectDescriptor.cpp: Renamed from Source/JavaScriptCore/runtime/TemplateRegistry.cpp. (JSC::JSTemplateObjectDescriptor::JSTemplateObjectDescriptor): (JSC::JSTemplateObjectDescriptor::create): (JSC::JSTemplateObjectDescriptor::destroy): (JSC::JSTemplateObjectDescriptor::createTemplateObject): * runtime/JSTemplateObjectDescriptor.h: Renamed from Source/JavaScriptCore/runtime/JSTemplateRegistryKey.h. (JSC::isTemplateObjectDescriptor): * runtime/JSTemplateRegistryKey.cpp: Removed. * runtime/TemplateObjectDescriptor.cpp: Renamed from Source/JavaScriptCore/runtime/TemplateRegistryKey.cpp. (JSC::TemplateObjectDescriptor::~TemplateObjectDescriptor): * runtime/TemplateObjectDescriptor.h: Renamed from Source/JavaScriptCore/runtime/TemplateRegistryKey.h. (JSC::TemplateObjectDescriptor::operator== const): (JSC::TemplateObjectDescriptor::operator!= const): (JSC::TemplateObjectDescriptor::Hasher::hash): (JSC::TemplateObjectDescriptor::Hasher::equal): (JSC::TemplateObjectDescriptor::create): (JSC::TemplateObjectDescriptor::TemplateObjectDescriptor): (JSC::TemplateObjectDescriptor::calculateHash): * runtime/TemplateRegistry.h: Removed. * runtime/TemplateRegistryKeyTable.cpp: Removed. * runtime/TemplateRegistryKeyTable.h: Removed. * runtime/VM.cpp: (JSC::VM::VM): * runtime/VM.h: (JSC::VM::templateRegistryKeyTable): Deleted. * runtime/VMEntryScope.cpp: * CMakeLists.txt: * JavaScriptCore.xcodeproj/project.pbxproj: * Sources.txt: * bytecode/CodeBlock.cpp: (JSC::CodeBlock::setConstantRegisters): * bytecode/DirectEvalCodeCache.cpp: (JSC::DirectEvalCodeCache::setSlow): * bytecode/UnlinkedCodeBlock.h: (JSC::UnlinkedCodeBlock::allowDirectEvalCache const): * bytecompiler/BytecodeGenerator.cpp: (JSC::BytecodeGenerator::addTemplateObjectConstant): (JSC::BytecodeGenerator::emitGetTemplateObject): (JSC::BytecodeGenerator::addTemplateRegistryKeyConstant): Deleted. * bytecompiler/BytecodeGenerator.h: * parser/Parser.cpp: (JSC::Parser<LexerType>::parseInner): (JSC::Parser<LexerType>::parseMemberExpression): * parser/Parser.h: * parser/ParserModes.h: * runtime/EvalExecutable.h: (JSC::EvalExecutable::allowDirectEvalCache const): * runtime/JSGlobalObject.cpp: (JSC::JSGlobalObject::JSGlobalObject): * runtime/JSGlobalObject.h: (JSC::JSGlobalObject::templateRegistry): Deleted. * runtime/JSTemplateObjectDescriptor.cpp: Renamed from Source/JavaScriptCore/runtime/TemplateRegistry.cpp. (JSC::JSTemplateObjectDescriptor::JSTemplateObjectDescriptor): (JSC::JSTemplateObjectDescriptor::create): (JSC::JSTemplateObjectDescriptor::destroy): (JSC::JSTemplateObjectDescriptor::createTemplateObject): * runtime/JSTemplateObjectDescriptor.h: Renamed from Source/JavaScriptCore/runtime/JSTemplateRegistryKey.h. (JSC::isTemplateObjectDescriptor): * runtime/JSTemplateRegistryKey.cpp: Removed. * runtime/TemplateObjectDescriptor.cpp: Renamed from Source/JavaScriptCore/runtime/TemplateRegistryKey.cpp. (JSC::TemplateObjectDescriptor::~TemplateObjectDescriptor): * runtime/TemplateObjectDescriptor.h: Renamed from Source/JavaScriptCore/runtime/TemplateRegistryKey.h. (JSC::TemplateObjectDescriptor::operator== const): (JSC::TemplateObjectDescriptor::operator!= const): (JSC::TemplateObjectDescriptor::Hasher::hash): (JSC::TemplateObjectDescriptor::Hasher::equal): (JSC::TemplateObjectDescriptor::create): (JSC::TemplateObjectDescriptor::TemplateObjectDescriptor): (JSC::TemplateObjectDescriptor::calculateHash): * runtime/TemplateRegistry.h: Removed. * runtime/TemplateRegistryKeyTable.cpp: Removed. * runtime/TemplateRegistryKeyTable.h: Removed. * runtime/VM.cpp: (JSC::VM::VM): * runtime/VM.h: (JSC::VM::templateRegistryKeyTable): Deleted. * runtime/VMEntryScope.cpp: Canonical link: https://commits.webkit.org/198521@main git-svn-id: https://svn.webkit.org/repository/webkit/trunk@228422 268f45cc-cd09-0410-ab3c-d52691b4dbfc
1 parent 4d5efe2 commit 03f73c5

32 files changed

Lines changed: 415 additions & 384 deletions

‎JSTests/ChangeLog‎

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Original file line numberDiff line numberDiff line change
@@ -1,3 +1,24 @@
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2018-02-13 Caitlin Potter <caitp@igalia.com>
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[JSC] cache TaggedTemplate arrays by callsite rather than by contents
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https://bugs.webkit.org/show_bug.cgi?id=182717
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Reviewed by Yusuke Suzuki.
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https://github.com/tc39/ecma262/pull/890 imposes a change to template
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literals, to allow template callsite arrays to be collected when the
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code containing the tagged template call is collected. This spec change
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has received concensus and been ratified.
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This change eliminates the eternal map associating template contents
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with arrays.
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* stress/tagged-template-object-collect.js: Renamed from JSTests/stress/tagged-template-registry-key-collect.js.
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* stress/tagged-template-object.js: Renamed from JSTests/stress/tagged-template-registry-key.js.
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* stress/tagged-templates-identity.js:
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* stress/template-string-tags-eval.js:
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* test262.yaml:
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2018-02-13 Yusuke Suzuki <utatane.tea@gmail.com>
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Support GetArrayLength on ArrayStorage in the FTL

JSTests/stress/tagged-template-registry-key-collect.js renamed to JSTests/stress/tagged-template-object-collect.js

File renamed without changes.

JSTests/stress/tagged-template-registry-key.js renamed to JSTests/stress/tagged-template-object.js

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,9 +17,9 @@ function tag(site)
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return tag`Hello`;
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}
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20-
shouldBe(a() === b(), true);
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shouldBe(a() === b(), false);
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gc();
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var tagA = a();
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gc();
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shouldBe(tagA === b(), true);
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shouldBe(tagA === b(), false);
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}

‎JSTests/stress/tagged-templates-identity.js‎

Lines changed: 86 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -13,7 +13,7 @@ tag`World`;
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tag`Hello`;
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shouldBe(templates.length, 3);
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shouldBe(templates[0] !== templates[1], true);
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shouldBe(templates[0] === templates[2], true);
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shouldBe(templates[0] !== templates[2], true);
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templates = [];
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tag`Hello\n`;
@@ -28,7 +28,7 @@ eval("tag`Hello\n`");
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eval("tag`Hello\r`");
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eval("tag`Hello\u2028`");
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shouldBe(templates.length, 3);
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shouldBe(templates[0] === templates[1], true);
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shouldBe(templates[0] !== templates[1], true);
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shouldBe(templates[0] !== templates[2], true);
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templates = [];
@@ -38,7 +38,7 @@ eval("tag`Hello\r`");
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eval("tag`Hello\\r`");
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shouldBe(templates.length, 4);
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shouldBe(templates[0] !== templates[1], true);
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shouldBe(templates[0] === templates[2], true);
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shouldBe(templates[0] !== templates[2], true);
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shouldBe(templates[0] !== templates[3], true);
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shouldBe(templates[1] !== templates[2], true);
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shouldBe(templates[1] !== templates[3], true);
@@ -49,11 +49,93 @@ templates = [];
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eval("tag`Hello\n${v}world`");
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eval("tag`Hello\n${v}world`");
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shouldBe(templates.length, 2);
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shouldBe(templates[0] === templates[1], true);
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shouldBe(templates[0] !== templates[1], true);
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var v = 0;
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templates = [];
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eval("tag`Hello${v}\nworld`");
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eval("tag`Hello\n${v}world`");
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shouldBe(templates.length, 2);
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shouldBe(templates[0] !== templates[1], true);
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var v = 0;
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templates = [];
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for (v = 0; v < 3; ++v) {
64+
tag`Hello${v}world`;
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if (!v) continue;
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shouldBe(templates[v] === templates[v - 1], true);
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}
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templates = [];
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tag`Hello${1}world`;
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tag`Hello${2}world`;
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shouldBe(templates[0] !== templates[1], true);
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// Disable eval caching if a tagged template occurs in eval code
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var v = 0;
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templates = [];
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for (v = 0; v < 3; ++v) {
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eval("tag`Hello${v}world`");
79+
if (!v) continue;
80+
shouldBe(templates[v] !== templates[v - 1], true);
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}
82+
83+
templates = [];
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eval("tag`Hello${1}world`");
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eval("tag`Hello${2}world`");
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eval("tag`Hello${3}world`");
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shouldBe(templates[0] !== templates[1], true);
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shouldBe(templates[1] !== templates[2], true);
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// Disable eval caching if a tagged template occurs in a nested function
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var v = 0;
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templates = [];
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for (v = 0; v < 6; v += 2) {
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eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${v}world` })()");
96+
shouldBe(templates[v] === templates[v + 1], true);
97+
}
98+
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shouldBe(templates[0] !== templates[2], true);
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shouldBe(templates[0] !== templates[4], true);
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shouldBe(templates[1] !== templates[3], true);
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shouldBe(templates[1] !== templates[5], true);
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shouldBe(templates[2] !== templates[4], true);
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shouldBe(templates[3] !== templates[5], true);
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templates = [];
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eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${1}world` })()");
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eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })()");
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eval("(function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })()");
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shouldBe(templates[0] === templates[1], true);
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shouldBe(templates[0] !== templates[2], true);
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shouldBe(templates[0] !== templates[4], true);
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shouldBe(templates[1] !== templates[3], true);
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shouldBe(templates[1] !== templates[5], true);
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shouldBe(templates[2] === templates[3], true);
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shouldBe(templates[2] !== templates[4], true);
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shouldBe(templates[3] !== templates[5], true);
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shouldBe(templates[4] === templates[5], true);
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// Disable eval caching if a tagged template occurs in an even deeper nested function
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var v = 0;
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templates = [];
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for (v = 0; v < 3; ++v) {
124+
eval("(function() { (function() { tag`Hello${v}world` })() })()");
125+
if (!v) continue;
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shouldBe(templates[v] !== templates[v - 1], true);
127+
}
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templates = [];
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eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${1}world` })() })()");
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eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })() })()");
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eval("(function() { (function() { for (var i = 0; i < 2; ++i) tag`Hello${2}world` })() })()");
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shouldBe(templates[0] === templates[1], true);
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shouldBe(templates[0] !== templates[2], true);
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shouldBe(templates[0] !== templates[4], true);
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shouldBe(templates[1] !== templates[3], true);
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shouldBe(templates[1] !== templates[5], true);
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shouldBe(templates[2] === templates[3], true);
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shouldBe(templates[2] !== templates[4], true);
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shouldBe(templates[3] !== templates[5], true);
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shouldBe(templates[4] === templates[5], true);

‎JSTests/stress/template-string-tags-eval.js‎

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Original file line numberDiff line numberDiff line change
@@ -13,5 +13,5 @@ var site1 = eval("0, tag`Cocoa`");
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var site2 = eval("1, tag`Cappuccino`");
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var site3 = eval("2, tag`Cocoa`");
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16-
shouldBe(site1 === site3, true);
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shouldBe(site1 !== site3, true);
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shouldBe(site1 !== site2, true);

‎JSTests/test262.yaml‎

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- path: test262/test/language/expressions/tagged-template/cache-different-functions-same-site.js
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-differing-expressions-eval.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-differing-expressions-eval.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-differing-expressions-new-function.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-differing-expressions-new-function.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-differing-expressions.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-differing-expressions.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
83859+
cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-differing-raw-strings.js
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-differing-raw-strings.js
@@ -83866,17 +83866,17 @@
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- path: test262/test/language/expressions/tagged-template/cache-differing-string-count.js
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
8386883868
- path: test262/test/language/expressions/tagged-template/cache-identical-source-eval.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-identical-source-eval.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-identical-source-new-function.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-identical-source-new-function.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-identical-source.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-identical-source.js
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cmd: runTest262 :fail, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], [:strict]
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- path: test262/test/language/expressions/tagged-template/cache-realm.js
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cmd: runTest262 :normal, "NoException", ["../../../../harness/assert.js", "../../../../harness/sta.js"], []
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- path: test262/test/language/expressions/tagged-template/cache-realm.js

‎Source/JavaScriptCore/CMakeLists.txt‎

Lines changed: 1 addition & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -858,9 +858,7 @@ set(JavaScriptCore_FORWARDING_HEADERS
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runtime/Symbol.h
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runtime/SymbolPrototype.h
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runtime/SymbolTable.h
861-
runtime/TemplateRegistry.h
862-
runtime/TemplateRegistryKey.h
863-
runtime/TemplateRegistryKeyTable.h
861+
runtime/TemplateObjectDescriptor.h
864862
runtime/TestRunnerUtils.h
865863
runtime/ThrowScope.h
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runtime/ToNativeFromValue.h

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