Attachment 362778 Details for Bug 194912 – WIP

[patch] WIP

b-backup.diff (text/plain), 20.72 KB, created by Saam Barati on 2019-02-22 16:10:46 PST

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Creator: Saam Barati

Created: 2019-02-22 16:10:46 PST

Size: 20.72 KB

patch

obsolete

>Index: Source/JavaScriptCore/API/JSScript.mm
>===================================================================
>--- Source/JavaScriptCore/API/JSScript.mm	(revision 241963)
>+++ Source/JavaScriptCore/API/JSScript.mm	(working copy)
>@@ -27,6 +27,8 @@
> #import "JSScriptInternal.h"
> 
> #import "APICast.h"
>+#import "CachedTypes.h"
>+#import "CodeCache.h"
> #import "Identifier.h"
> #import "JSContextInternal.h"
> #import "JSScriptSourceProvider.h"
>@@ -201,7 +203,17 @@ - (void)readCache
>     void* buffer = mmap(nullptr, size, PROT_READ, MAP_PRIVATE, fd, 0);
>     close(fd);
> 
>+    dataLogLn("Read cache on creation!");
>     m_cachedBytecode = JSC::CachedBytecode { buffer, size };
>+
>+    JSC::VM& vm = m_virtualMachine.vm;
>+
>+    const JSC::SourceCode& sourceCode = [self jsSourceCode]->sourceCode();
>+    JSC::SourceCodeKey key = m_type == kJSScriptTypeProgram ? sourceCodeKeyForSerializedProgram(vm, sourceCode) : sourceCodeKeyForSerializedModule(vm, sourceCode);
>+    if (!isCachedBytecodeStillValid(vm, m_cachedBytecode, key, m_type == kJSScriptTypeProgram ? JSC::SourceCodeType::ProgramType : JSC::SourceCodeType::ModuleType)) {
>+        m_cachedBytecode = { };
>+        dataLogLn("No longer valid cache, clearing entry!");
>+    }
> }
> 
> - (BOOL)cacheBytecodeWithError:(NSError **)error
>@@ -255,8 +267,10 @@ - (JSC::JSSourceCode*)jsSourceCode
> 
> - (BOOL)writeCache:(String&)error
> {
>-    if (m_cachedBytecode.size())
>+    if (m_cachedBytecode.size()) {
>+        dataLogLn("Already have cache");
>         return YES;
>+    }
> 
>     if (!m_cachePath) {
>         error = "No cache was path provided during construction of this JSScript."_s;
>@@ -269,7 +283,7 @@ - (BOOL)writeCache:(String&)error
>         m_cachedBytecode = JSC::generateModuleBytecode(m_virtualMachine.vm, [self jsSourceCode]->sourceCode(), parserError);
>         break;
>     case kJSScriptTypeProgram:
>-        m_cachedBytecode = JSC::generateBytecode(m_virtualMachine.vm, [self jsSourceCode]->sourceCode(), parserError);
>+        m_cachedBytecode = JSC::generateProgramBytecode(m_virtualMachine.vm, [self jsSourceCode]->sourceCode(), parserError);
>         break;
>     }
> 
>Index: Source/JavaScriptCore/API/tests/testapi.mm
>===================================================================
>--- Source/JavaScriptCore/API/tests/testapi.mm	(revision 241963)
>+++ Source/JavaScriptCore/API/tests/testapi.mm	(working copy)
>@@ -2094,6 +2094,50 @@ static void testBytecodeCacheWithSyntaxE
>     }
> }
> 
>+static void testBytecodeCacheWithSameCacheFileAndDifferentScript(bool forceDiskCache)
>+{
>+    NSURL *cachePath = tempFile(@"cachePath.cache");
>+    NSURL *sourceURL = [NSURL URLWithString:@"my-path"];
>+
>+    @autoreleasepool {
>+        JSVirtualMachine *vm = [[JSVirtualMachine alloc] init];
>+        NSString *source = @"function foo() { return 42; }; function bar() { return 40; }; foo() + bar();";
>+        JSContext *context = [[JSContext alloc] initWithVirtualMachine:vm];
>+        JSScript *script = [JSScript scriptOfType:kJSScriptTypeProgram withSource:source andSourceURL:sourceURL andBytecodeCache:cachePath inVirtualMachine:vm error:nil];
>+        RELEASE_ASSERT(script);
>+        if (![script cacheBytecodeWithError:nil])
>+            CRASH();
>+
>+        JSC::Options::forceDiskCache() = forceDiskCache;
>+        JSValue *result = [context evaluateJSScript:script];
>+        RELEASE_ASSERT(result);
>+        RELEASE_ASSERT([result isNumber]);
>+        checkResult(@"Expected 82 as result", [[result toNumber] intValue] == 82);
>+    }
>+
>+    @autoreleasepool {
>+        JSVirtualMachine *vm = [[JSVirtualMachine alloc] init];
>+        NSString *source = @"function foo() { return 10; }; function bar() { return 20; }; foo() + bar();";
>+        JSContext *context = [[JSContext alloc] initWithVirtualMachine:vm];
>+        JSScript *script = [JSScript scriptOfType:kJSScriptTypeProgram withSource:source andSourceURL:sourceURL andBytecodeCache:cachePath inVirtualMachine:vm error:nil];
>+        RELEASE_ASSERT(script);
>+        if (![script cacheBytecodeWithError:nil])
>+            CRASH();
>+
>+        JSC::Options::forceDiskCache() = forceDiskCache;
>+        JSValue *result = [context evaluateJSScript:script];
>+        RELEASE_ASSERT(result);
>+        RELEASE_ASSERT([result isNumber]);
>+        checkResult(@"Expected 30 as result", [[result toNumber] intValue] == 30);
>+    }
>+
>+    JSC::Options::forceDiskCache() = false;
>+
>+    NSFileManager* fileManager = [NSFileManager defaultManager];
>+    BOOL removedAll = [fileManager removeItemAtURL:cachePath error:nil];
>+    checkResult(@"Removed all temp files created", removedAll);
>+}
>+
> static void testProgramJSScriptException()
> {
>     @autoreleasepool {
>@@ -2319,6 +2363,8 @@ void testObjectiveCAPI(const char* filte
>     RUN(testProgramBytecodeCache());
>     RUN(testBytecodeCacheWithSyntaxError(kJSScriptTypeProgram));
>     RUN(testBytecodeCacheWithSyntaxError(kJSScriptTypeModule));
>+    RUN(testBytecodeCacheWithSameCacheFileAndDifferentScript(false));
>+    RUN(testBytecodeCacheWithSameCacheFileAndDifferentScript(true));
>     RUN(testProgramJSScriptException());
> 
>     RUN(testLoaderRejectsNilScriptURL());
>Index: Source/JavaScriptCore/runtime/CachedTypes.cpp
>===================================================================
>--- Source/JavaScriptCore/runtime/CachedTypes.cpp	(revision 241963)
>+++ Source/JavaScriptCore/runtime/CachedTypes.cpp	(working copy)
>@@ -33,6 +33,7 @@
> #include "JSTemplateObjectDescriptor.h"
> #include "ScopedArgumentsTable.h"
> #include "SourceCodeKey.h"
>+#include "SourceProvider.h"
> #include "UnlinkedEvalCodeBlock.h"
> #include "UnlinkedFunctionCodeBlock.h"
> #include "UnlinkedMetadataTableInlines.h"
>@@ -217,7 +218,7 @@ class Decoder {
> public:
>     Decoder(VM& vm, const void* baseAddress, size_t size)
>         : m_vm(vm)
>-        , m_baseAddress(reinterpret_cast<const uint8_t*>(baseAddress))
>+        , m_baseAddress(bitwise_cast<const uint8_t*>(baseAddress))
> #ifndef NDEBUG
>         , m_size(size)
> #endif
>@@ -334,13 +335,13 @@ protected:
>     const uint8_t* buffer() const
>     {
>         ASSERT(m_offset != s_invalidOffset);
>-        return reinterpret_cast<const uint8_t*>(this) + m_offset;
>+        return bitwise_cast<const uint8_t*>(this) + m_offset;
>     }
> 
>     template<typename T>
>     const T* buffer() const
>     {
>-        return reinterpret_cast<const T*>(buffer());
>+        return bitwise_cast<const T*>(buffer());
>     }
> 
>     uint8_t* allocate(Encoder& encoder, size_t size)
>@@ -398,7 +399,7 @@ public:
>         ptrdiff_t bufferOffset = decoder.offsetOf(this->buffer());
>         if (WTF::Optional<void*> ptr = decoder.cachedPtrForOffset(bufferOffset)) {
>             isNewAllocation = false;
>-            return reinterpret_cast<Source*>(*ptr);
>+            return bitwise_cast<Source*>(*ptr);
>         }
> 
>         isNewAllocation = true;
>@@ -1800,6 +1801,21 @@ enum CachedCodeBlockTag {
>     CachedEvalCodeBlockTag,
> };
> 
>+static constexpr CachedCodeBlockTag tagFromSourceCodeType(SourceCodeType type)
>+{
>+    switch (type) {
>+    case SourceCodeType::ProgramType:
>+        return CachedProgramCodeBlockTag;
>+    case SourceCodeType::EvalType:
>+        return CachedEvalCodeBlockTag;
>+    case SourceCodeType::ModuleType:
>+        return CachedModuleCodeBlockTag;
>+    case SourceCodeType::FunctionType:
>+        ASSERT_NOT_REACHED();
>+        return static_cast<CachedCodeBlockTag>(-1);
>+    }
>+}
>+
> template<>
> struct CachedCodeBlockTypeImpl<UnlinkedProgramCodeBlock> {
>     using type = CachedProgramCodeBlock;
>@@ -2063,6 +2079,7 @@ private:
> class GenericCacheEntry {
> public:
>     bool decode(Decoder&, std::pair<SourceCodeKey, UnlinkedCodeBlock*>&) const;
>+    bool isStillValid(Decoder&, const SourceCodeKey&, CachedCodeBlockTag) const;
> 
> protected:
>     GenericCacheEntry(Encoder& encoder, CachedCodeBlockTag tag)
>@@ -2096,6 +2113,13 @@ public:
> private:
>     friend GenericCacheEntry;
> 
>+    bool isStillValid(Decoder& decoder, const SourceCodeKey& key) const
>+    {
>+        SourceCodeKey decodedKey;
>+        m_key.decode(decoder, decodedKey);
>+        return decodedKey == key;
>+    }
>+
>     bool decode(Decoder& decoder, std::pair<SourceCodeKey, UnlinkedCodeBlockType*>& result) const
>     {
>         ASSERT(tag() == CachedCodeBlockTypeImpl<UnlinkedCodeBlockType>::tag);
>@@ -2118,9 +2142,9 @@ bool GenericCacheEntry::decode(Decoder& 
> 
>     switch (m_tag) {
>     case CachedProgramCodeBlockTag:
>-        return reinterpret_cast<const CacheEntry<UnlinkedProgramCodeBlock>*>(this)->decode(decoder, reinterpret_cast<std::pair<SourceCodeKey, UnlinkedProgramCodeBlock*>&>(result));
>+        return bitwise_cast<const CacheEntry<UnlinkedProgramCodeBlock>*>(this)->decode(decoder, reinterpret_cast<std::pair<SourceCodeKey, UnlinkedProgramCodeBlock*>&>(result));
>     case CachedModuleCodeBlockTag:
>-        return reinterpret_cast<const CacheEntry<UnlinkedModuleProgramCodeBlock>*>(this)->decode(decoder, reinterpret_cast<std::pair<SourceCodeKey, UnlinkedModuleProgramCodeBlock*>&>(result));
>+        return bitwise_cast<const CacheEntry<UnlinkedModuleProgramCodeBlock>*>(this)->decode(decoder, reinterpret_cast<std::pair<SourceCodeKey, UnlinkedModuleProgramCodeBlock*>&>(result));
>     case CachedEvalCodeBlockTag:
>         // We do not cache eval code blocks
>         RELEASE_ASSERT_NOT_REACHED();
>@@ -2132,11 +2156,31 @@ bool GenericCacheEntry::decode(Decoder& 
> #endif
> }
> 
>+bool GenericCacheEntry::isStillValid(Decoder& decoder, const SourceCodeKey& key, CachedCodeBlockTag tag) const
>+{
>+    if (m_cacheVersion != JSC_BYTECODE_CACHE_VERSION)
>+        return false;
>+    if (m_bootSessionUUID.decode(decoder) != bootSessionUUIDString())
>+        return false;
>+
>+    switch (tag) {
>+    case CachedProgramCodeBlockTag:
>+        return bitwise_cast<const CacheEntry<UnlinkedProgramCodeBlock>*>(this)->isStillValid(decoder, key);
>+    case CachedModuleCodeBlockTag:
>+        return bitwise_cast<const CacheEntry<UnlinkedModuleProgramCodeBlock>*>(this)->isStillValid(decoder, key);
>+    case CachedEvalCodeBlockTag:
>+        // We do not cache eval code blocks
>+        RELEASE_ASSERT_NOT_REACHED();
>+    }
>+    RELEASE_ASSERT_NOT_REACHED();
>+    return false;
>+}
>+
> template<typename UnlinkedCodeBlockType>
> void encodeCodeBlock(Encoder& encoder, const SourceCodeKey& key, const UnlinkedCodeBlock* codeBlock)
> {
>     auto* entry = encoder.template malloc<CacheEntry<UnlinkedCodeBlockType>>(encoder);
>-    entry->encode(encoder,  { key, jsCast<const UnlinkedCodeBlockType*>(codeBlock) });
>+    entry->encode(encoder, { key, jsCast<const UnlinkedCodeBlockType*>(codeBlock) });
> }
> 
> std::pair<MallocPtr<uint8_t>, size_t> encodeCodeBlock(VM& vm, const SourceCodeKey& key, const UnlinkedCodeBlock* codeBlock)
>@@ -2156,18 +2200,32 @@ std::pair<MallocPtr<uint8_t>, size_t> en
> 
> UnlinkedCodeBlock* decodeCodeBlockImpl(VM& vm, const SourceCodeKey& key, const void* buffer, size_t size)
> {
>-    const auto* cachedEntry = reinterpret_cast<const GenericCacheEntry*>(buffer);
>+    const auto* cachedEntry = bitwise_cast<const GenericCacheEntry*>(buffer);
>     Decoder decoder(vm, buffer, size);
>     std::pair<SourceCodeKey, UnlinkedCodeBlock*> entry;
>     {
>         DeferGC deferGC(vm.heap);
>-        if (!cachedEntry->decode(decoder, entry))
>+        if (!cachedEntry->decode(decoder, entry)) {
>+            dataLogLn("returning nullptr decodeCodeBlockImpl");
>             return nullptr;
>+        }
>     }
> 
>-    if (entry.first != key)
>+    if (entry.first != key) {
>+        dataLogLn("returning nullptr decodeCodeBlockImpl different keys");
>         return nullptr;
>+    }
>     return entry.second;
> }
> 
>+bool isCachedBytecodeStillValid(VM& vm, const CachedBytecode& cachedBytecode, const SourceCodeKey& key, SourceCodeType type)
>+{
>+    const void* buffer = cachedBytecode.data();
>+    size_t size = cachedBytecode.size();
>+    const auto* cachedEntry = bitwise_cast<const GenericCacheEntry*>(buffer);
>+    Decoder decoder(vm, buffer, size);
>+
>+    return cachedEntry->isStillValid(decoder, key, tagFromSourceCodeType(type));
>+}
>+
> } // namespace JSC
>Index: Source/JavaScriptCore/runtime/CachedTypes.h
>===================================================================
>--- Source/JavaScriptCore/runtime/CachedTypes.h	(revision 241963)
>+++ Source/JavaScriptCore/runtime/CachedTypes.h	(working copy)
>@@ -1,5 +1,5 @@
> /*
>- * Copyright (C) 2018 Apple Inc. All rights reserved.
>+ * Copyright (C) 2018-2019 Apple Inc. All rights reserved.
>  *
>  * Redistribution and use in source and binary forms, with or without
>  * modification, are permitted provided that the following conditions
>@@ -30,9 +30,12 @@
> 
> namespace JSC {
> 
>+class CachedBytecode;
> class SourceCodeKey;
> class UnlinkedCodeBlock;
> 
>+enum class SourceCodeType;
>+
> std::pair<MallocPtr<uint8_t>, size_t> encodeCodeBlock(VM&, const SourceCodeKey&, const UnlinkedCodeBlock*);
> UnlinkedCodeBlock* decodeCodeBlockImpl(VM&, const SourceCodeKey&, const void*, size_t);
> 
>@@ -43,4 +46,6 @@ UnlinkedCodeBlockType* decodeCodeBlock(V
>     return jsCast<UnlinkedCodeBlockType*>(decodeCodeBlockImpl(vm, key, buffer, size));
> }
> 
>+bool isCachedBytecodeStillValid(VM&, const CachedBytecode&, const SourceCodeKey&, SourceCodeType);
>+
> } // namespace JSC
>Index: Source/JavaScriptCore/runtime/CodeCache.cpp
>===================================================================
>--- Source/JavaScriptCore/runtime/CodeCache.cpp	(revision 241963)
>+++ Source/JavaScriptCore/runtime/CodeCache.cpp	(working copy)
>@@ -205,15 +205,36 @@ void writeCodeBlock(VM& vm, const Source
>     });
> }
> 
>-CachedBytecode serializeBytecode(VM& vm, UnlinkedCodeBlock* codeBlock, const SourceCode& source, SourceCodeType codeType, JSParserStrictMode strictMode, JSParserScriptMode scriptMode, DebuggerMode debuggerMode)
>+static SourceCodeKey sourceCodeKeyForSerializedBytecode(VM& vm, const SourceCode& sourceCode, SourceCodeType codeType, JSParserStrictMode strictMode, JSParserScriptMode scriptMode, DebuggerMode debuggerMode)
> {
>-    SourceCodeKey key(
>-        source, String(), codeType, strictMode, scriptMode,
>+    return SourceCodeKey(
>+        sourceCode, String(), codeType, strictMode, scriptMode,
>         DerivedContextType::None, EvalContextType::None, false, debuggerMode,
>         vm.typeProfiler() ? TypeProfilerEnabled::Yes : TypeProfilerEnabled::No,
>         vm.controlFlowProfiler() ? ControlFlowProfilerEnabled::Yes : ControlFlowProfilerEnabled::No,
>         WTF::nullopt);
>-    std::pair<MallocPtr<uint8_t>, size_t> result = encodeCodeBlock(vm, key, codeBlock);
>+}
>+
>+SourceCodeKey sourceCodeKeyForSerializedProgram(VM& vm, const SourceCode& sourceCode)
>+{
>+    JSParserStrictMode strictMode = JSParserStrictMode::NotStrict;
>+    JSParserScriptMode scriptMode = JSParserScriptMode::Classic;
>+    DebuggerMode debuggerMode = DebuggerOff;
>+    return sourceCodeKeyForSerializedBytecode(vm, sourceCode, SourceCodeType::ProgramType, strictMode, scriptMode, debuggerMode);
>+}
>+
>+SourceCodeKey sourceCodeKeyForSerializedModule(VM& vm, const SourceCode& sourceCode)
>+{
>+    JSParserStrictMode strictMode = JSParserStrictMode::Strict;
>+    JSParserScriptMode scriptMode = JSParserScriptMode::Module;
>+    DebuggerMode debuggerMode = DebuggerOff;
>+    return sourceCodeKeyForSerializedBytecode(vm, sourceCode, SourceCodeType::ModuleType, strictMode, scriptMode, debuggerMode);
>+}
>+
>+CachedBytecode serializeBytecode(VM& vm, UnlinkedCodeBlock* codeBlock, const SourceCode& source, SourceCodeType codeType, JSParserStrictMode strictMode, JSParserScriptMode scriptMode, DebuggerMode debuggerMode)
>+{
>+    std::pair<MallocPtr<uint8_t>, size_t> result = encodeCodeBlock(vm,
>+        sourceCodeKeyForSerializedBytecode(vm, source, codeType, strictMode, scriptMode, debuggerMode), codeBlock);
>     return CachedBytecode { WTFMove(result.first), result.second };
> }
> 
>Index: Source/JavaScriptCore/runtime/CodeCache.h
>===================================================================
>--- Source/JavaScriptCore/runtime/CodeCache.h	(revision 241963)
>+++ Source/JavaScriptCore/runtime/CodeCache.h	(working copy)
>@@ -104,33 +104,6 @@ public:
>     iterator end() { return m_map.end(); }
> 
>     template<typename UnlinkedCodeBlockType>
>-    UnlinkedCodeBlockType* fetchFromDiskImpl(VM& vm, const SourceCodeKey& key)
>-    {
>-        const CachedBytecode* cachedBytecode = key.source().provider().cachedBytecode();
>-        if (cachedBytecode && cachedBytecode->size()) {
>-            VERBOSE_LOG("Found cached CodeBlock in the SourceProvider");
>-            UnlinkedCodeBlockType* unlinkedCodeBlock = decodeCodeBlock<UnlinkedCodeBlockType>(vm, key, cachedBytecode->data(), cachedBytecode->size());
>-            if (unlinkedCodeBlock)
>-                return unlinkedCodeBlock;
>-        }
>-        return nullptr;
>-    }
>-
>-    template<typename UnlinkedCodeBlockType>
>-    std::enable_if_t<std::is_base_of<UnlinkedCodeBlock, UnlinkedCodeBlockType>::value && !std::is_same<UnlinkedCodeBlockType, UnlinkedEvalCodeBlock>::value, UnlinkedCodeBlockType*>
>-    fetchFromDisk(VM& vm, const SourceCodeKey& key)
>-    {
>-        UnlinkedCodeBlockType* codeBlock = fetchFromDiskImpl<UnlinkedCodeBlockType>(vm, key);
>-        if (UNLIKELY(Options::forceDiskCache()))
>-            RELEASE_ASSERT(codeBlock);
>-        return codeBlock;
>-    }
>-
>-    template<typename T>
>-    std::enable_if_t<!std::is_base_of<UnlinkedCodeBlock, T>::value || std::is_same<T, UnlinkedEvalCodeBlock>::value, T*>
>-    fetchFromDisk(VM&, const SourceCodeKey&) { return nullptr; }
>-
>-    template<typename UnlinkedCodeBlockType>
>     UnlinkedCodeBlockType* findCacheAndUpdateAge(VM& vm, const SourceCodeKey& key)
>     {
>         prune();
>@@ -190,6 +163,33 @@ public:
>     int64_t age() { return m_age; }
> 
> private:
>+    template<typename UnlinkedCodeBlockType>
>+    UnlinkedCodeBlockType* fetchFromDiskImpl(VM& vm, const SourceCodeKey& key)
>+    {
>+        const CachedBytecode* cachedBytecode = key.source().provider().cachedBytecode();
>+        if (cachedBytecode && cachedBytecode->size()) {
>+            VERBOSE_LOG("Found cached CodeBlock in the SourceProvider");
>+            UnlinkedCodeBlockType* unlinkedCodeBlock = decodeCodeBlock<UnlinkedCodeBlockType>(vm, key, cachedBytecode->data(), cachedBytecode->size());
>+            if (unlinkedCodeBlock)
>+                return unlinkedCodeBlock;
>+        }
>+        return nullptr;
>+    }
>+
>+    template<typename UnlinkedCodeBlockType>
>+    std::enable_if_t<std::is_base_of<UnlinkedCodeBlock, UnlinkedCodeBlockType>::value && !std::is_same<UnlinkedCodeBlockType, UnlinkedEvalCodeBlock>::value, UnlinkedCodeBlockType*>
>+    fetchFromDisk(VM& vm, const SourceCodeKey& key)
>+    {
>+        UnlinkedCodeBlockType* codeBlock = fetchFromDiskImpl<UnlinkedCodeBlockType>(vm, key);
>+        if (UNLIKELY(Options::forceDiskCache()))
>+            RELEASE_ASSERT(codeBlock);
>+        return codeBlock;
>+    }
>+
>+    template<typename T>
>+    std::enable_if_t<!std::is_base_of<UnlinkedCodeBlock, T>::value || std::is_same<T, UnlinkedEvalCodeBlock>::value, T*>
>+    fetchFromDisk(VM&, const SourceCodeKey&) { return nullptr; }
>+
>     // This constant factor biases cache capacity toward allowing a minimum
>     // working set to enter the cache before it starts evicting.
>     static const Seconds workingSetTime;
>@@ -330,5 +330,7 @@ recursivelyGenerateUnlinkedCodeBlock(VM&
> 
> void writeCodeBlock(VM&, const SourceCodeKey&, const SourceCodeValue&);
> CachedBytecode serializeBytecode(VM&, UnlinkedCodeBlock*, const SourceCode&, SourceCodeType, JSParserStrictMode, JSParserScriptMode, DebuggerMode);
>+SourceCodeKey sourceCodeKeyForSerializedProgram(VM&, const SourceCode&);
>+SourceCodeKey sourceCodeKeyForSerializedModule(VM&, const SourceCode&);
> 
> } // namespace JSC
>Index: Source/JavaScriptCore/runtime/Completion.cpp
>===================================================================
>--- Source/JavaScriptCore/runtime/Completion.cpp	(revision 241963)
>+++ Source/JavaScriptCore/runtime/Completion.cpp	(working copy)
>@@ -91,7 +91,7 @@ bool checkModuleSyntax(ExecState* exec, 
>     return true;
> }
> 
>-CachedBytecode generateBytecode(VM& vm, const SourceCode& source, ParserError& error)
>+CachedBytecode generateProgramBytecode(VM& vm, const SourceCode& source, ParserError& error)
> {
>     JSLockHolder lock(vm);
>     RELEASE_ASSERT(vm.atomicStringTable() == Thread::current().atomicStringTable());
>Index: Source/JavaScriptCore/runtime/Completion.h
>===================================================================
>--- Source/JavaScriptCore/runtime/Completion.h	(revision 241963)
>+++ Source/JavaScriptCore/runtime/Completion.h	(working copy)
>@@ -42,7 +42,7 @@ JS_EXPORT_PRIVATE bool checkSyntax(VM&, 
> JS_EXPORT_PRIVATE bool checkSyntax(ExecState*, const SourceCode&, JSValue* exception = 0);
> JS_EXPORT_PRIVATE bool checkModuleSyntax(ExecState*, const SourceCode&, ParserError&);
> 
>-JS_EXPORT_PRIVATE CachedBytecode generateBytecode(VM&, const SourceCode&, ParserError&);
>+JS_EXPORT_PRIVATE CachedBytecode generateProgramBytecode(VM&, const SourceCode&, ParserError&);
> JS_EXPORT_PRIVATE CachedBytecode generateModuleBytecode(VM&, const SourceCode&, ParserError&);
> 
> JS_EXPORT_PRIVATE JSValue evaluate(ExecState*, const SourceCode&, JSValue thisValue, NakedPtr<Exception>& returnedException);

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Attachments on bug 194912: 362778 | 362785