Attachment 359599 Details for Bug 193544 – Patch

[patch] Patch

bug-193544-20190119010354.patch (text/plain), 22.07 KB, created by Yusuke Suzuki on 2019-01-19 01:03:55 PST

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Creator: Yusuke Suzuki

Created: 2019-01-19 01:03:55 PST

Size: 22.07 KB

patch

obsolete

>Subversion Revision: 240195
>diff --git a/Source/JavaScriptCore/ChangeLog b/Source/JavaScriptCore/ChangeLog
>index 19a250df1e8669b8ab2a7fafd36f316209b112f9..66fe67e148e36299d2d80afd5c81bb21c8a832c4 100644
>--- a/Source/JavaScriptCore/ChangeLog
>+++ b/Source/JavaScriptCore/ChangeLog
>@@ -1,3 +1,47 @@
>+2019-01-19  Yusuke Suzuki  <yusukesuzuki@slowstart.org>
>+
>+        [JSC] Reduce size of SourceProvider
>+        https://bugs.webkit.org/show_bug.cgi?id=193544
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        This patch attempts to reduce the dirty memory footprint by the following 2 optimizations.
>+
>+        1. Reordering the members of SourceProvider to reduce the size. This affects on JSC, and CachedScriptSourceProvider used in WebCore.
>+
>+        2. Create one SourceProvider for all the builtin code and use substring to create builtin JS functions.
>+           This reduces # of SourceProvider created for builtins.
>+
>+        We also remove the dead code using m_syntaxAlreadyValidated in Parser.cpp.
>+
>+        Unfortunately, MSVC does not accept super long C string literal. So instead, we construct combined string in a form of C array.
>+
>+        * Scripts/wkbuiltins/builtins_generate_combined_header.py:
>+        (BuiltinsCombinedHeaderGenerator.generate_output):
>+        * Scripts/wkbuiltins/builtins_generate_combined_implementation.py:
>+        (BuiltinsCombinedImplementationGenerator.generate_output):
>+        * Scripts/wkbuiltins/builtins_generator.py:
>+        (BuiltinsGenerator.generate_embedded_code_data_section_for_function):
>+        (BuiltinsGenerator.generate_embedded_code_string_section_for_function):
>+        * builtins/BuiltinExecutables.cpp:
>+        (JSC::BuiltinExecutables::BuiltinExecutables):
>+        (JSC::JSC_FOREACH_BUILTIN_CODE):
>+        (JSC::BuiltinExecutables::createExecutable):
>+        * builtins/BuiltinExecutables.h:
>+        * parser/Parser.cpp:
>+        (JSC::Parser<LexerType>::Parser):
>+        (JSC::Parser<LexerType>::parseExpressionOrLabelStatement):
>+        (JSC::Parser<LexerType>::shouldCheckPropertyForUnderscoreProtoDuplicate):
>+        (JSC::Parser<LexerType>::parseObjectLiteral):
>+        (JSC::Parser<LexerType>::parseUnaryExpression):
>+        * parser/Parser.h:
>+        * parser/SourceCode.h:
>+        * parser/SourceProvider.cpp:
>+        (JSC::SourceProvider::SourceProvider):
>+        * parser/SourceProvider.h:
>+        (JSC::SourceProvider::isValid const): Deleted.
>+        (JSC::SourceProvider::setValid): Deleted.
>+
> 2019-01-18  Keith Miller  <keith_miller@apple.com>
> 
>         JSScript API should only take ascii files.
>diff --git a/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_header.py b/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_header.py
>index eac694803adbaac3e6bc48aa2a34cc8efacef2df..88744b1f823527c5198cc9420285dd8567dd47c1 100644
>--- a/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_header.py
>+++ b/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_header.py
>@@ -55,6 +55,8 @@ def generate_output(self):
>         sections.append(Template(Templates.HeaderIncludeGuard).substitute(args))
>         sections.append(self.generate_forward_declarations())
>         sections.append(Template(Templates.NamespaceTop).substitute(args))
>+        sections.append("extern const char s_%(namespace)sCombinedCode[];" % args);
>+        sections.append("extern const unsigned s_%(namespace)sCombinedCodeLength;" % args);
>         for object in self.model().objects:
>             sections.append(self.generate_section_for_object(object))
>         sections.append(self.generate_section_for_code_table_macro())
>diff --git a/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_implementation.py b/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_implementation.py
>index 7874dcad94b4a6a2fc7c418f04e69d1395c1edb0..2bbdc8ba55dfc7c5bfd50ef46b4adf1734c953ff 100644
>--- a/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_implementation.py
>+++ b/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generate_combined_implementation.py
>@@ -56,8 +56,33 @@ def generate_output(self):
>         sections.append(self.generate_primary_header_includes())
>         sections.append(self.generate_secondary_header_includes())
>         sections.append(Template(Templates.NamespaceTop).substitute(args))
>+
>+        combinedCode = ""
>+        combinedCodeOffset = 0
>+        function_data = []
>         for function in self.model().all_functions():
>-            sections.append(self.generate_embedded_code_string_section_for_function(function))
>+            data = self.generate_embedded_code_data_section_for_function(function)
>+            combinedCode += data['originalSource']
>+            data['embeddedSource'] = combinedCodeOffset
>+            data['namespace'] = args['namespace']
>+            combinedCodeOffset += data['embeddedSourceLength']
>+            function_data.append(data)
>+
>+        combinedCharacters = []
>+        for ch in combinedCode:
>+            combinedCharacters.append(str(ord(ch)))
>+
>+        sections.append("const char s_%sCombinedCode[] = { %s };" % (args['namespace'], (", ".join(combinedCharacters))));
>+        sections.append("const unsigned s_%sCombinedCodeLength = %d;" % (args['namespace'], len(combinedCharacters)));
>+
>+        for data in function_data:
>+            lines = []
>+            lines.append("const JSC::ConstructAbility s_%(codeName)sConstructAbility = JSC::ConstructAbility::%(canConstruct)s;" % data);
>+            lines.append("const int s_%(codeName)sLength = %(embeddedSourceLength)d;" % data);
>+            lines.append("static const JSC::Intrinsic s_%(codeName)sIntrinsic = JSC::%(intrinsic)s;" % data);
>+            lines.append("const char* s_%(codeName)s { s_%(namespace)sCombinedCode + %(embeddedSource)d };" % data);
>+            sections.append('\n'.join(lines))
>+
>         if self.model().framework is Frameworks.JavaScriptCore:
>             sections.append(Template(Templates.CombinedJSCImplementationStaticMacros).substitute(args))
>         elif self.model().framework is Frameworks.WebCore:
>diff --git a/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generator.py b/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generator.py
>index 9fa94547a25f7ce69c1203cfd40da9cd322ab846..3ea00619c72da9bfa21e5f7b6235381b7a951a2a 100644
>--- a/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generator.py
>+++ b/Source/JavaScriptCore/Scripts/wkbuiltins/builtins_generator.py
>@@ -111,7 +111,7 @@ def generate_primary_header_includes(self):
>             "#include \"%s.h\"" % name,
>         ])
> 
>-    def generate_embedded_code_string_section_for_function(self, function):
>+    def generate_embedded_code_data_section_for_function(self, function):
>         text = function.function_source
>         # Wrap it in parens to avoid adding to global scope.
>         function_type_string = "function "
>@@ -129,14 +129,17 @@ def generate_embedded_code_string_section_for_function(self, function):
>         if function.is_constructor:
>             constructAbility = "CanConstruct"
> 
>-        args = {
>+        return {
>             'codeName': BuiltinsGenerator.mangledNameForFunction(function) + 'Code',
>             'embeddedSource': embeddedSource,
>             'embeddedSourceLength': embeddedSourceLength,
>+            'originalSource': text + "\n",
>             'canConstruct': constructAbility,
>             'intrinsic': function.intrinsic
>         }
> 
>+    def generate_embedded_code_string_section_for_function(self, function):
>+        args = self.generate_embedded_code_data_section_for_function(function)
>         lines = []
>         lines.append("const JSC::ConstructAbility s_%(codeName)sConstructAbility = JSC::ConstructAbility::%(canConstruct)s;" % args);
>         lines.append("const int s_%(codeName)sLength = %(embeddedSourceLength)d;" % args);
>diff --git a/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp b/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp
>index ba6ad37e425a81a71d72e55b21014cf1ce538830..de4709385093b4700c8be6cea67565bcc50b9fd0 100644
>--- a/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp
>+++ b/Source/JavaScriptCore/builtins/BuiltinExecutables.cpp
>@@ -36,9 +36,10 @@ namespace JSC {
> 
> BuiltinExecutables::BuiltinExecutables(VM& vm)
>     : m_vm(vm)
>-#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, overrideName, length) , m_##name##Source(makeSource(StringImpl::createFromLiteral(s_##name, length), { }))
>+    , m_combinedSourceProvider(StringSourceProvider::create(StringImpl::createFromLiteral(s_JSCCombinedCode, s_JSCCombinedCodeLength), { }, URL()))
>+#define INITIALIZE_BUILTIN_SOURCE_MEMBERS(name, functionName, overrideName, length) , m_##name##Source(m_combinedSourceProvider.copyRef(), s_##name - s_JSCCombinedCode, (s_##name - s_JSCCombinedCode) + length, 1, 1)
>     JSC_FOREACH_BUILTIN_CODE(INITIALIZE_BUILTIN_SOURCE_MEMBERS)
>-#undef EXPOSE_BUILTIN_STRINGS
>+#undef INITIALIZE_BUILTIN_SOURCE_MEMBERS
> {
> }
> 
>@@ -101,18 +102,6 @@ UnlinkedFunctionExecutable* BuiltinExecutables::createExecutable(VM& vm, const S
> 
>     unsigned asyncOffset = isAsyncFunction ? strlen("async ") : 0;
>     unsigned parametersStart = strlen("function (") + asyncOffset;
>-    JSTokenLocation start;
>-    start.line = -1;
>-    start.lineStartOffset = std::numeric_limits<unsigned>::max();
>-    start.startOffset = parametersStart;
>-    start.endOffset = std::numeric_limits<unsigned>::max();
>-
>-    JSTokenLocation end;
>-    end.line = 1;
>-    end.lineStartOffset = 0;
>-    end.startOffset = strlen("(") + asyncOffset;
>-    end.endOffset = std::numeric_limits<unsigned>::max();
>-
>     unsigned startColumn = parametersStart;
>     int functionKeywordStart = strlen("(") + asyncOffset;
>     int functionNameStart = parametersStart;
>@@ -192,16 +181,29 @@ UnlinkedFunctionExecutable* BuiltinExecutables::createExecutable(VM& vm, const S
> 
>     JSTextPosition positionBeforeLastNewline;
>     positionBeforeLastNewline.line = lineCount;
>-    positionBeforeLastNewline.offset = offsetOfLastNewline;
>-    positionBeforeLastNewline.lineStartOffset = positionBeforeLastNewlineLineStartOffset;
>+    positionBeforeLastNewline.offset = source.startOffset() + offsetOfLastNewline;
>+    positionBeforeLastNewline.lineStartOffset = source.startOffset() + positionBeforeLastNewlineLineStartOffset;
> 
>-    SourceCode newSource = source.subExpression(parametersStart, view.length() - closeBraceOffsetFromEnd, 0, parametersStart);
>+    SourceCode newSource = source.subExpression(source.startOffset() + parametersStart, source.startOffset() + (view.length() - closeBraceOffsetFromEnd), 0, parametersStart);
>     bool isBuiltinDefaultClassConstructor = constructorKind != ConstructorKind::None;
>     UnlinkedFunctionKind kind = isBuiltinDefaultClassConstructor ? UnlinkedNormalFunction : UnlinkedBuiltinFunction;
> 
>     SourceParseMode parseMode = isAsyncFunction ? SourceParseMode::AsyncFunctionMode : SourceParseMode::NormalFunctionMode;
>+
>+    JSTokenLocation start;
>+    start.line = -1;
>+    start.lineStartOffset = std::numeric_limits<unsigned>::max();
>+    start.startOffset = source.startOffset() + parametersStart;
>+    start.endOffset = std::numeric_limits<unsigned>::max();
>+
>+    JSTokenLocation end;
>+    end.line = 1;
>+    end.lineStartOffset = source.startOffset();
>+    end.startOffset = source.startOffset() + strlen("(") + asyncOffset;
>+    end.endOffset = std::numeric_limits<unsigned>::max();
>+
>     FunctionMetadataNode metadata(
>-        start, end, startColumn, endColumn, functionKeywordStart, functionNameStart, parametersStart,
>+        start, end, startColumn, endColumn, source.startOffset() + functionKeywordStart, source.startOffset() + functionNameStart, source.startOffset() + parametersStart,
>         isInStrictContext, constructorKind, constructorKind == ConstructorKind::Extends ? SuperBinding::Needed : SuperBinding::NotNeeded,
>         parameterCount, parseMode, isArrowFunctionBodyExpression);
> 
>@@ -237,7 +239,6 @@ UnlinkedFunctionExecutable* BuiltinExecutables::createExecutable(VM& vm, const S
>             RELEASE_ASSERT(metadataFromParser);
>             metadataFromParser->overrideName(name);
>             metadataFromParser->setEndPosition(positionBeforeLastNewlineFromParser);
>-
>             if (metadata != *metadataFromParser || positionBeforeLastNewlineFromParser != positionBeforeLastNewline) {
>                 dataLogLn("Expected Metadata:\n", metadata);
>                 dataLogLn("Metadata from parser:\n", *metadataFromParser);
>diff --git a/Source/JavaScriptCore/builtins/BuiltinExecutables.h b/Source/JavaScriptCore/builtins/BuiltinExecutables.h
>index 438c60ce119181d45d20f057f85c7432fe20ce11..6dcbedd473e186a5346c38041bec699ed0d606d9 100644
>--- a/Source/JavaScriptCore/builtins/BuiltinExecutables.h
>+++ b/Source/JavaScriptCore/builtins/BuiltinExecutables.h
>@@ -47,7 +47,7 @@ UnlinkedFunctionExecutable* name##Executable(); \
> const SourceCode& name##Source() { return m_##name##Source; }
>     
>     JSC_FOREACH_BUILTIN_CODE(EXPOSE_BUILTIN_EXECUTABLES)
>-#undef EXPOSE_BUILTIN_SOURCES
>+#undef EXPOSE_BUILTIN_EXECUTABLES
> 
>     static SourceCode defaultConstructorSourceCode(ConstructorKind);
>     UnlinkedFunctionExecutable* createDefaultConstructor(ConstructorKind, const Identifier& name);
>@@ -60,6 +60,7 @@ const SourceCode& name##Source() { return m_##name##Source; }
> 
>     UnlinkedFunctionExecutable* createBuiltinExecutable(const SourceCode&, const Identifier&, ConstructAbility);
> 
>+    Ref<StringSourceProvider> m_combinedSourceProvider;
> #define DECLARE_BUILTIN_SOURCE_MEMBERS(name, functionName, overriddenName, length)\
>     SourceCode m_##name##Source; \
>     Weak<UnlinkedFunctionExecutable> m_##name##Executable;
>diff --git a/Source/JavaScriptCore/parser/Parser.cpp b/Source/JavaScriptCore/parser/Parser.cpp
>index 4b840d3ec340b0431277a5cfa3e6b546bcf866ba..1d223bc3a1236cd785bf04aee9e02e104c2b97bc 100644
>--- a/Source/JavaScriptCore/parser/Parser.cpp
>+++ b/Source/JavaScriptCore/parser/Parser.cpp
>@@ -129,7 +129,6 @@ Parser<LexerType>::Parser(VM* vm, const SourceCode& source, JSParserBuiltinMode
>     , m_source(&source)
>     , m_hasStackOverflow(false)
>     , m_allowsIn(true)
>-    , m_syntaxAlreadyValidated(source.provider()->isValid())
>     , m_statementDepth(0)
>     , m_sourceElements(0)
>     , m_parsingBuiltin(builtinMode == JSParserBuiltinMode::Builtin)
>@@ -3010,14 +3009,13 @@ template <class TreeBuilder> TreeStatement Parser<LexerType>::parseExpressionOrL
>         JSTextPosition end = tokenEndPosition();
>         next();
>         consumeOrFail(COLON, "Labels must be followed by a ':'");
>-        if (!m_syntaxAlreadyValidated) {
>-            // This is O(N^2) over the current list of consecutive labels, but I
>-            // have never seen more than one label in a row in the real world.
>-            for (size_t i = 0; i < labels.size(); i++)
>-                failIfTrue(ident->impl() == labels[i].m_ident->impl(), "Attempted to redeclare the label '", ident->impl(), "'");
>-            failIfTrue(getLabel(ident), "Cannot find scope for the label '", ident->impl(), "'");
>-            labels.append(LabelInfo(ident, start, end));
>-        }
>+
>+        // This is O(N^2) over the current list of consecutive labels, but I
>+        // have never seen more than one label in a row in the real world.
>+        for (size_t i = 0; i < labels.size(); i++)
>+            failIfTrue(ident->impl() == labels[i].m_ident->impl(), "Attempted to redeclare the label '", ident->impl(), "'");
>+        failIfTrue(getLabel(ident), "Cannot find scope for the label '", ident->impl(), "'");
>+        labels.append(LabelInfo(ident, start, end));
>     } while (matchSpecIdentifier());
>     bool isLoop = false;
>     switch (m_token.m_type) {
>@@ -3032,16 +3030,12 @@ template <class TreeBuilder> TreeStatement Parser<LexerType>::parseExpressionOrL
>     }
>     const Identifier* unused = 0;
>     ScopeRef labelScope = currentScope();
>-    if (!m_syntaxAlreadyValidated) {
>-        for (size_t i = 0; i < labels.size(); i++)
>-            pushLabel(labels[i].m_ident, isLoop);
>-    }
>+    for (size_t i = 0; i < labels.size(); i++)
>+        pushLabel(labels[i].m_ident, isLoop);
>     m_immediateParentAllowsFunctionDeclarationInStatement = allowFunctionDeclarationAsStatement;
>     TreeStatement statement = parseStatement(context, unused);
>-    if (!m_syntaxAlreadyValidated) {
>-        for (size_t i = 0; i < labels.size(); i++)
>-            popLabel(labelScope);
>-    }
>+    for (size_t i = 0; i < labels.size(); i++)
>+        popLabel(labelScope);
>     failIfFalse(statement, "Cannot parse statement");
>     for (size_t i = 0; i < labels.size(); i++) {
>         const LabelInfo& info = labels[labels.size() - i - 1];
>@@ -4124,9 +4118,6 @@ template <class TreeBuilder> TreeProperty Parser<LexerType>::parseGetterSetter(T
> template <typename LexerType>
> template <class TreeBuilder> bool Parser<LexerType>::shouldCheckPropertyForUnderscoreProtoDuplicate(TreeBuilder& context, const TreeProperty& property)
> {
>-    if (m_syntaxAlreadyValidated)
>-        return false;
>-
>     if (!context.getName(property))
>         return false;
> 
>@@ -4181,7 +4172,7 @@ template <class TreeBuilder> TreeExpression Parser<LexerType>::parseObjectLitera
>     TreeProperty property = parseProperty(context, false);
>     failIfFalse(property, "Cannot parse object literal property");
> 
>-    if (!m_syntaxAlreadyValidated && context.getType(property) & (PropertyNode::Getter | PropertyNode::Setter)) {
>+    if (context.getType(property) & (PropertyNode::Getter | PropertyNode::Setter)) {
>         restoreSavePoint(savePoint);
>         return parseStrictObjectLiteral(context);
>     }
>@@ -4199,7 +4190,7 @@ template <class TreeBuilder> TreeExpression Parser<LexerType>::parseObjectLitera
>         JSTokenLocation propertyLocation(tokenLocation());
>         property = parseProperty(context, false);
>         failIfFalse(property, "Cannot parse object literal property");
>-        if (!m_syntaxAlreadyValidated && context.getType(property) & (PropertyNode::Getter | PropertyNode::Setter)) {
>+        if (context.getType(property) & (PropertyNode::Getter | PropertyNode::Setter)) {
>             restoreSavePoint(savePoint);
>             return parseStrictObjectLiteral(context);
>         }
>@@ -4968,7 +4959,7 @@ template <class TreeBuilder> TreeExpression Parser<LexerType>::parseUnaryExpress
>     if (UNLIKELY(isUpdateOp(static_cast<JSTokenType>(lastOperator)) && context.isMetaProperty(expr)))
>         internalFailWithMessage(false, metaPropertyName(context, expr), " can't come after a prefix operator");
>     bool isEvalOrArguments = false;
>-    if (strictMode() && !m_syntaxAlreadyValidated) {
>+    if (strictMode()) {
>         if (context.isResolve(expr))
>             isEvalOrArguments = *m_parserState.lastIdentifier == m_vm->propertyNames->eval || *m_parserState.lastIdentifier == m_vm->propertyNames->arguments;
>     }
>@@ -5004,7 +4995,7 @@ template <class TreeBuilder> TreeExpression Parser<LexerType>::parseUnaryExpress
>     
>     JSTextPosition end = lastTokenEndPosition();
> 
>-    if (!TreeBuilder::CreatesAST && (m_syntaxAlreadyValidated || !strictMode()))
>+    if (!TreeBuilder::CreatesAST && (!strictMode()))
>         return expr;
> 
>     while (tokenStackDepth) {
>diff --git a/Source/JavaScriptCore/parser/Parser.h b/Source/JavaScriptCore/parser/Parser.h
>index 14cdd1a3a4bce1837a8796150a2a3a2f3b71ba5b..4dc4fa7336c4a054a5d0bb6470bc867095380813 100644
>--- a/Source/JavaScriptCore/parser/Parser.h
>+++ b/Source/JavaScriptCore/parser/Parser.h
>@@ -1857,7 +1857,6 @@ class Parser {
>     JSToken m_token;
>     bool m_allowsIn;
>     JSTextPosition m_lastTokenEndPosition;
>-    bool m_syntaxAlreadyValidated;
>     int m_statementDepth;
>     RefPtr<SourceProviderCache> m_functionCache;
>     SourceElements* m_sourceElements;
>diff --git a/Source/JavaScriptCore/parser/SourceCode.h b/Source/JavaScriptCore/parser/SourceCode.h
>index 313cfa45aaf922b07b045bbee0363859cbd4c09b..c3c0f7346b05536b5c099d43371586436fd3d9c2 100644
>--- a/Source/JavaScriptCore/parser/SourceCode.h
>+++ b/Source/JavaScriptCore/parser/SourceCode.h
>@@ -53,13 +53,6 @@ namespace JSC {
>         {
>         }
> 
>-        SourceCode(Ref<SourceProvider>&& provider, int startOffset, int endOffset, int firstLine, int startColumn)
>-            : UnlinkedSourceCode(WTFMove(provider), startOffset, endOffset)
>-            , m_firstLine(OrdinalNumber::fromOneBasedInt(std::max(firstLine, 1)))
>-            , m_startColumn(OrdinalNumber::fromOneBasedInt(std::max(startColumn, 1)))
>-        {
>-        }
>-
>         SourceCode(RefPtr<SourceProvider>&& provider, int startOffset, int endOffset, int firstLine, int startColumn)
>             : UnlinkedSourceCode(WTFMove(provider), startOffset, endOffset)
>             , m_firstLine(OrdinalNumber::fromOneBasedInt(std::max(firstLine, 1)))
>diff --git a/Source/JavaScriptCore/parser/SourceProvider.cpp b/Source/JavaScriptCore/parser/SourceProvider.cpp
>index 5c198fdb13ad8b7953e5b6dd06dd7cda7e01cc58..15f00f306a3063adedc38a8fd1677b5bb9abb996 100644
>--- a/Source/JavaScriptCore/parser/SourceProvider.cpp
>+++ b/Source/JavaScriptCore/parser/SourceProvider.cpp
>@@ -32,9 +32,8 @@
> namespace JSC {
> 
> SourceProvider::SourceProvider(const SourceOrigin& sourceOrigin, URL&& url, const TextPosition& startPosition, SourceProviderSourceType sourceType)
>-    : m_url(WTFMove(url))
>-    , m_sourceType(sourceType)
>-    , m_validated(false)
>+    : m_sourceType(sourceType)
>+    , m_url(WTFMove(url))
>     , m_sourceOrigin(sourceOrigin)
>     , m_startPosition(startPosition)
> {
>diff --git a/Source/JavaScriptCore/parser/SourceProvider.h b/Source/JavaScriptCore/parser/SourceProvider.h
>index 40c7aa7ed16cfab667fa40613dc029f6b4198b35..09ad16834b0afb7be9f314afc2f250ad82edb5e5 100644
>--- a/Source/JavaScriptCore/parser/SourceProvider.h
>+++ b/Source/JavaScriptCore/parser/SourceProvider.h
>@@ -72,18 +72,14 @@ namespace JSC {
>             return m_id;
>         }
> 
>-        bool isValid() const { return m_validated; }
>-        void setValid() { m_validated = true; }
>-
>         void setSourceURLDirective(const String& sourceURL) { m_sourceURLDirective = sourceURL; }
>         void setSourceMappingURLDirective(const String& sourceMappingURL) { m_sourceMappingURLDirective = sourceMappingURL; }
> 
>     private:
>         JS_EXPORT_PRIVATE void getID();
> 
>-        URL m_url;
>         SourceProviderSourceType m_sourceType;
>-        bool m_validated : 1;
>+        URL m_url;
>         SourceOrigin m_sourceOrigin;
>         String m_sourceURLDirective;
>         String m_sourceMappingURLDirective;

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Attachments on bug 193544: 359464 | 359467 | 359468 | 359469 | 359471 | 359584 | 359587 | 359595 | 359597 | 359599 | 359648 | 359649