/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2012, 2013 Apple Inc. All rights reserved.
* Copyright (C) 2006 Bjoern Graf (bjoern.graf@gmail.com)
*
* This library is free software; you can redistribute it and/or
#include "config.h"
+#include "ArrayPrototype.h"
+#include "ButterflyInlines.h"
#include "BytecodeGenerator.h"
#include "Completion.h"
+#include "CopiedSpaceInlines.h"
+#include "ExceptionHelpers.h"
+#include "HeapStatistics.h"
#include "InitializeThreading.h"
+#include "Interpreter.h"
#include "JSArray.h"
+#include "JSArrayBuffer.h"
+#include "JSCInlines.h"
#include "JSFunction.h"
#include "JSLock.h"
-#include "PrototypeFunction.h"
+#include "JSProxy.h"
+#include "JSString.h"
+#include "ProfilerDatabase.h"
#include "SamplingTool.h"
+#include "StackVisitor.h"
+#include "StructureInlines.h"
+#include "StructureRareDataInlines.h"
+#include "TestRunnerUtils.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <thread>
+#include <wtf/CurrentTime.h>
+#include <wtf/MainThread.h>
+#include <wtf/StringPrintStream.h>
+#include <wtf/text/StringBuilder.h>
-#if !PLATFORM(WIN_OS)
+#if !OS(WINDOWS)
#include <unistd.h>
#endif
#if HAVE(READLINE)
+// readline/history.h has a Function typedef which conflicts with the WTF::Function template from WTF/Forward.h
+// We #define it to something else to avoid this conflict.
+#define Function ReadlineFunction
#include <readline/history.h>
#include <readline/readline.h>
+#undef Function
#endif
#if HAVE(SYS_TIME_H)
#include <signal.h>
#endif
-#if COMPILER(MSVC) && !PLATFORM(WINCE)
+#if COMPILER(MSVC) && !OS(WINCE)
#include <crtdbg.h>
-#include <windows.h>
#include <mmsystem.h>
+#include <windows.h>
+#endif
+
+#if PLATFORM(IOS) && CPU(ARM_THUMB2)
+#include <fenv.h>
+#include <arm/arch.h>
#endif
-#if PLATFORM(QT)
-#include <QCoreApplication>
-#include <QDateTime>
+#if PLATFORM(EFL)
+#include <Ecore.h>
#endif
using namespace JSC;
using namespace WTF;
-static void cleanupGlobalData(JSGlobalData*);
-static bool fillBufferWithContentsOfFile(const UString& fileName, Vector<char>& buffer);
+namespace {
+
+class Element;
+class ElementHandleOwner;
+class Masuqerader;
+class Root;
+class RuntimeArray;
+
+class Element : public JSNonFinalObject {
+public:
+ Element(VM& vm, Structure* structure, Root* root)
+ : Base(vm, structure)
+ , m_root(root)
+ {
+ }
+
+ typedef JSNonFinalObject Base;
+ static const bool needsDestruction = false;
+
+ Root* root() const { return m_root; }
+ void setRoot(Root* root) { m_root = root; }
+
+ static Element* create(VM& vm, JSGlobalObject* globalObject, Root* root)
+ {
+ Structure* structure = createStructure(vm, globalObject, jsNull());
+ Element* element = new (NotNull, allocateCell<Element>(vm.heap, sizeof(Element))) Element(vm, structure, root);
+ element->finishCreation(vm);
+ return element;
+ }
+
+ void finishCreation(VM&);
+
+ static ElementHandleOwner* handleOwner();
+
+ static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+ {
+ return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+ }
+
+ DECLARE_INFO;
+
+private:
+ Root* m_root;
+};
+
+class ElementHandleOwner : public WeakHandleOwner {
+public:
+ virtual bool isReachableFromOpaqueRoots(Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
+ {
+ Element* element = jsCast<Element*>(handle.slot()->asCell());
+ return visitor.containsOpaqueRoot(element->root());
+ }
+};
+
+class Masquerader : public JSNonFinalObject {
+public:
+ Masquerader(VM& vm, Structure* structure)
+ : Base(vm, structure)
+ {
+ }
+
+ typedef JSNonFinalObject Base;
+
+ static Masquerader* create(VM& vm, JSGlobalObject* globalObject)
+ {
+ globalObject->masqueradesAsUndefinedWatchpoint()->fireAll();
+ Structure* structure = createStructure(vm, globalObject, jsNull());
+ Masquerader* result = new (NotNull, allocateCell<Masquerader>(vm.heap, sizeof(Masquerader))) Masquerader(vm, structure);
+ result->finishCreation(vm);
+ return result;
+ }
+
+ static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+ {
+ return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+ }
+
+ DECLARE_INFO;
+
+protected:
+ static const unsigned StructureFlags = JSC::MasqueradesAsUndefined | Base::StructureFlags;
+};
+
+class Root : public JSDestructibleObject {
+public:
+ Root(VM& vm, Structure* structure)
+ : Base(vm, structure)
+ {
+ }
+
+ Element* element()
+ {
+ return m_element.get();
+ }
+
+ void setElement(Element* element)
+ {
+ Weak<Element> newElement(element, Element::handleOwner());
+ m_element.swap(newElement);
+ }
+
+ static Root* create(VM& vm, JSGlobalObject* globalObject)
+ {
+ Structure* structure = createStructure(vm, globalObject, jsNull());
+ Root* root = new (NotNull, allocateCell<Root>(vm.heap, sizeof(Root))) Root(vm, structure);
+ root->finishCreation(vm);
+ return root;
+ }
+
+ typedef JSDestructibleObject Base;
+
+ DECLARE_INFO;
+ static const bool needsDestruction = true;
+
+ static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+ {
+ return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+ }
+
+ static void visitChildren(JSCell* thisObject, SlotVisitor& visitor)
+ {
+ Base::visitChildren(thisObject, visitor);
+ visitor.addOpaqueRoot(thisObject);
+ }
+
+private:
+ Weak<Element> m_element;
+};
+
+class ImpureGetter : public JSNonFinalObject {
+public:
+ ImpureGetter(VM& vm, Structure* structure)
+ : Base(vm, structure)
+ {
+ }
+
+ DECLARE_INFO;
+ typedef JSNonFinalObject Base;
+
+ static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+ {
+ return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+ }
+
+ static ImpureGetter* create(VM& vm, Structure* structure, JSObject* delegate)
+ {
+ ImpureGetter* getter = new (NotNull, allocateCell<ImpureGetter>(vm.heap, sizeof(ImpureGetter))) ImpureGetter(vm, structure);
+ getter->finishCreation(vm, delegate);
+ return getter;
+ }
+
+ void finishCreation(VM& vm, JSObject* delegate)
+ {
+ Base::finishCreation(vm);
+ if (delegate)
+ m_delegate.set(vm, this, delegate);
+ }
+
+ static const unsigned StructureFlags = JSC::HasImpureGetOwnPropertySlot | JSC::OverridesGetOwnPropertySlot | JSC::OverridesVisitChildren | Base::StructureFlags;
+
+ static bool getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName name, PropertySlot& slot)
+ {
+ ImpureGetter* thisObject = jsCast<ImpureGetter*>(object);
+
+ if (thisObject->m_delegate && thisObject->m_delegate->getPropertySlot(exec, name, slot))
+ return true;
+
+ return Base::getOwnPropertySlot(object, exec, name, slot);
+ }
+
+ static void visitChildren(JSCell* cell, SlotVisitor& visitor)
+ {
+ Base::visitChildren(cell, visitor);
+ ImpureGetter* thisObject = jsCast<ImpureGetter*>(cell);
+ visitor.append(&thisObject->m_delegate);
+ }
+
+ void setDelegate(VM& vm, JSObject* delegate)
+ {
+ m_delegate.set(vm, this, delegate);
+ }
+
+private:
+ WriteBarrier<JSObject> m_delegate;
+};
+
+class RuntimeArray : public JSArray {
+public:
+ typedef JSArray Base;
+
+ static RuntimeArray* create(ExecState* exec)
+ {
+ VM& vm = exec->vm();
+ JSGlobalObject* globalObject = exec->lexicalGlobalObject();
+ Structure* structure = createStructure(vm, globalObject, createPrototype(vm, globalObject));
+ RuntimeArray* runtimeArray = new (NotNull, allocateCell<RuntimeArray>(*exec->heap())) RuntimeArray(exec, structure);
+ runtimeArray->finishCreation(exec);
+ vm.heap.addFinalizer(runtimeArray, destroy);
+ return runtimeArray;
+ }
+
+ ~RuntimeArray() { }
+
+ static void destroy(JSCell* cell)
+ {
+ static_cast<RuntimeArray*>(cell)->RuntimeArray::~RuntimeArray();
+ }
+
+ static const bool needsDestruction = false;
+
+ static bool getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
+ {
+ RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
+ if (propertyName == exec->propertyNames().length) {
+ slot.setCacheableCustom(thisObject, DontDelete | ReadOnly | DontEnum, thisObject->lengthGetter);
+ return true;
+ }
+
+ unsigned index = propertyName.asIndex();
+ if (index < thisObject->getLength()) {
+ ASSERT(index != PropertyName::NotAnIndex);
+ slot.setValue(thisObject, DontDelete | DontEnum, jsNumber(thisObject->m_vector[index]));
+ return true;
+ }
+
+ return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
+ }
+
+ static bool getOwnPropertySlotByIndex(JSObject* object, ExecState* exec, unsigned index, PropertySlot& slot)
+ {
+ RuntimeArray* thisObject = jsCast<RuntimeArray*>(object);
+ if (index < thisObject->getLength()) {
+ slot.setValue(thisObject, DontDelete | DontEnum, jsNumber(thisObject->m_vector[index]));
+ return true;
+ }
+
+ return JSObject::getOwnPropertySlotByIndex(thisObject, exec, index, slot);
+ }
+
+ static NO_RETURN_DUE_TO_CRASH void put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&)
+ {
+ RELEASE_ASSERT_NOT_REACHED();
+ }
+
+ static NO_RETURN_DUE_TO_CRASH bool deleteProperty(JSCell*, ExecState*, PropertyName)
+ {
+ RELEASE_ASSERT_NOT_REACHED();
+#if !COMPILER(CLANG)
+ return true;
+#endif
+ }
+
+ unsigned getLength() const { return m_vector.size(); }
+
+ DECLARE_INFO;
+
+ static ArrayPrototype* createPrototype(VM&, JSGlobalObject* globalObject)
+ {
+ return globalObject->arrayPrototype();
+ }
+
+ static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+ {
+ return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info(), ArrayClass);
+ }
+
+protected:
+ void finishCreation(ExecState* exec)
+ {
+ Base::finishCreation(exec->vm());
+ ASSERT(inherits(info()));
+
+ for (size_t i = 0; i < exec->argumentCount(); i++)
+ m_vector.append(exec->argument(i).toInt32(exec));
+ }
+
+ static const unsigned StructureFlags = OverridesGetOwnPropertySlot | InterceptsGetOwnPropertySlotByIndexEvenWhenLengthIsNotZero | OverridesGetPropertyNames | JSArray::StructureFlags;
+
+private:
+ RuntimeArray(ExecState* exec, Structure* structure)
+ : JSArray(exec->vm(), structure, 0)
+ {
+ }
+
+ static EncodedJSValue lengthGetter(ExecState* exec, JSObject*, EncodedJSValue thisValue, PropertyName)
+ {
+ RuntimeArray* thisObject = jsDynamicCast<RuntimeArray*>(JSValue::decode(thisValue));
+ if (!thisObject)
+ return throwVMTypeError(exec);
+ return JSValue::encode(jsNumber(thisObject->getLength()));
+ }
+
+ Vector<int> m_vector;
+};
+
+const ClassInfo Element::s_info = { "Element", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(Element) };
+const ClassInfo Masquerader::s_info = { "Masquerader", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(Masquerader) };
+const ClassInfo Root::s_info = { "Root", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(Root) };
+const ClassInfo ImpureGetter::s_info = { "ImpureGetter", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(ImpureGetter) };
+const ClassInfo RuntimeArray::s_info = { "RuntimeArray", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(RuntimeArray) };
-static JSValue JSC_HOST_CALL functionPrint(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionDebug(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionGC(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionVersion(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionRun(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionLoad(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionCheckSyntax(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionReadline(ExecState*, JSObject*, JSValue, const ArgList&);
-static NO_RETURN JSValue JSC_HOST_CALL functionQuit(ExecState*, JSObject*, JSValue, const ArgList&);
+ElementHandleOwner* Element::handleOwner()
+{
+ static ElementHandleOwner* owner = 0;
+ if (!owner)
+ owner = new ElementHandleOwner();
+ return owner;
+}
+
+void Element::finishCreation(VM& vm)
+{
+ Base::finishCreation(vm);
+ m_root->setElement(this);
+}
+
+}
+
+static bool fillBufferWithContentsOfFile(const String& fileName, Vector<char>& buffer);
+
+static EncodedJSValue JSC_HOST_CALL functionCreateProxy(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionCreateRuntimeArray(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionCreateImpureGetter(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionSetImpureGetterDelegate(ExecState*);
+
+static EncodedJSValue JSC_HOST_CALL functionSetElementRoot(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionCreateRoot(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionCreateElement(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionGetElement(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionPrint(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionDebug(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionDescribe(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionDescribeArray(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionJSCStack(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionGCAndSweep(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionFullGC(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionEdenGC(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionDeleteAllCompiledCode(ExecState*);
+#ifndef NDEBUG
+static EncodedJSValue JSC_HOST_CALL functionReleaseExecutableMemory(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionDumpCallFrame(ExecState*);
+#endif
+static EncodedJSValue JSC_HOST_CALL functionVersion(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionRun(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionLoad(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionReadFile(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionCheckSyntax(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionReadline(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionPreciseTime(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionNeverInlineFunction(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionOptimizeNextInvocation(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionNumberOfDFGCompiles(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionReoptimizationRetryCount(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionTransferArrayBuffer(ExecState*);
+static NO_RETURN_WITH_VALUE EncodedJSValue JSC_HOST_CALL functionQuit(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionFalse1(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionFalse2(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionUndefined1(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionUndefined2(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionEffectful42(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionIdentity(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionMakeMasquerader(ExecState*);
#if ENABLE(SAMPLING_FLAGS)
-static JSValue JSC_HOST_CALL functionSetSamplingFlags(ExecState*, JSObject*, JSValue, const ArgList&);
-static JSValue JSC_HOST_CALL functionClearSamplingFlags(ExecState*, JSObject*, JSValue, const ArgList&);
+static EncodedJSValue JSC_HOST_CALL functionSetSamplingFlags(ExecState*);
+static EncodedJSValue JSC_HOST_CALL functionClearSamplingFlags(ExecState*);
#endif
struct Script {
bool isFile;
- char *argument;
-
+ char* argument;
+
Script(bool isFile, char *argument)
: isFile(isFile)
, argument(argument)
}
};
-struct Options {
- Options()
- : interactive(false)
- , dump(false)
+class CommandLine {
+public:
+ CommandLine(int argc, char** argv)
+ : m_interactive(false)
+ , m_dump(false)
+ , m_exitCode(false)
+ , m_profile(false)
{
+ parseArguments(argc, argv);
}
- bool interactive;
- bool dump;
- Vector<Script> scripts;
- Vector<UString> arguments;
+ bool m_interactive;
+ bool m_dump;
+ bool m_exitCode;
+ Vector<Script> m_scripts;
+ Vector<String> m_arguments;
+ bool m_profile;
+ String m_profilerOutput;
+
+ void parseArguments(int, char**);
};
-static const char interactivePrompt[] = "> ";
-static const UString interpreterName("Interpreter");
+static const char interactivePrompt[] = ">>> ";
class StopWatch {
public:
long getElapsedMS(); // call stop() first
private:
-#if PLATFORM(QT)
- uint m_startTime;
- uint m_stopTime;
-#elif PLATFORM(WIN_OS)
- DWORD m_startTime;
- DWORD m_stopTime;
-#else
- // Windows does not have timeval, disabling this class for now (bug 7399)
- timeval m_startTime;
- timeval m_stopTime;
-#endif
+ double m_startTime;
+ double m_stopTime;
};
void StopWatch::start()
{
-#if PLATFORM(QT)
- QDateTime t = QDateTime::currentDateTime();
- m_startTime = t.toTime_t() * 1000 + t.time().msec();
-#elif PLATFORM(WIN_OS)
- m_startTime = timeGetTime();
-#else
- gettimeofday(&m_startTime, 0);
-#endif
+ m_startTime = monotonicallyIncreasingTime();
}
void StopWatch::stop()
{
-#if PLATFORM(QT)
- QDateTime t = QDateTime::currentDateTime();
- m_stopTime = t.toTime_t() * 1000 + t.time().msec();
-#elif PLATFORM(WIN_OS)
- m_stopTime = timeGetTime();
-#else
- gettimeofday(&m_stopTime, 0);
-#endif
+ m_stopTime = monotonicallyIncreasingTime();
}
long StopWatch::getElapsedMS()
{
-#if PLATFORM(WIN_OS) || PLATFORM(QT)
- return m_stopTime - m_startTime;
-#else
- timeval elapsedTime;
- timersub(&m_stopTime, &m_startTime, &elapsedTime);
-
- return elapsedTime.tv_sec * 1000 + lroundf(elapsedTime.tv_usec / 1000.0f);
-#endif
+ return static_cast<long>((m_stopTime - m_startTime) * 1000);
}
class GlobalObject : public JSGlobalObject {
+private:
+ GlobalObject(VM&, Structure*);
+
public:
- GlobalObject(const Vector<UString>& arguments);
- virtual UString className() const { return "global"; }
-};
-COMPILE_ASSERT(!IsInteger<GlobalObject>::value, WTF_IsInteger_GlobalObject_false);
-ASSERT_CLASS_FITS_IN_CELL(GlobalObject);
-
-GlobalObject::GlobalObject(const Vector<UString>& arguments)
- : JSGlobalObject()
-{
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "debug"), functionDebug));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "print"), functionPrint));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 0, Identifier(globalExec(), "quit"), functionQuit));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 0, Identifier(globalExec(), "gc"), functionGC));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "version"), functionVersion));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "run"), functionRun));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "load"), functionLoad));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "checkSyntax"), functionCheckSyntax));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 0, Identifier(globalExec(), "readline"), functionReadline));
+ typedef JSGlobalObject Base;
+ static GlobalObject* create(VM& vm, Structure* structure, const Vector<String>& arguments)
+ {
+ GlobalObject* object = new (NotNull, allocateCell<GlobalObject>(vm.heap)) GlobalObject(vm, structure);
+ object->finishCreation(vm, arguments);
+ vm.heap.addFinalizer(object, destroy);
+ return object;
+ }
+
+ static const bool needsDestruction = false;
+
+ DECLARE_INFO;
+ static const GlobalObjectMethodTable s_globalObjectMethodTable;
+
+ static Structure* createStructure(VM& vm, JSValue prototype)
+ {
+ return Structure::create(vm, 0, prototype, TypeInfo(GlobalObjectType, StructureFlags), info());
+ }
+
+ static bool javaScriptExperimentsEnabled(const JSGlobalObject*) { return true; }
+
+protected:
+ void finishCreation(VM& vm, const Vector<String>& arguments)
+ {
+ Base::finishCreation(vm);
+
+ addFunction(vm, "debug", functionDebug, 1);
+ addFunction(vm, "describe", functionDescribe, 1);
+ addFunction(vm, "describeArray", functionDescribeArray, 1);
+ addFunction(vm, "print", functionPrint, 1);
+ addFunction(vm, "quit", functionQuit, 0);
+ addFunction(vm, "gc", functionGCAndSweep, 0);
+ addFunction(vm, "fullGC", functionFullGC, 0);
+ addFunction(vm, "edenGC", functionEdenGC, 0);
+ addFunction(vm, "deleteAllCompiledCode", functionDeleteAllCompiledCode, 0);
+#ifndef NDEBUG
+ addFunction(vm, "dumpCallFrame", functionDumpCallFrame, 0);
+ addFunction(vm, "releaseExecutableMemory", functionReleaseExecutableMemory, 0);
+#endif
+ addFunction(vm, "version", functionVersion, 1);
+ addFunction(vm, "run", functionRun, 1);
+ addFunction(vm, "load", functionLoad, 1);
+ addFunction(vm, "readFile", functionReadFile, 1);
+ addFunction(vm, "checkSyntax", functionCheckSyntax, 1);
+ addFunction(vm, "jscStack", functionJSCStack, 1);
+ addFunction(vm, "readline", functionReadline, 0);
+ addFunction(vm, "preciseTime", functionPreciseTime, 0);
+ addFunction(vm, "neverInlineFunction", functionNeverInlineFunction, 1);
+ addFunction(vm, "noInline", functionNeverInlineFunction, 1);
+ addFunction(vm, "numberOfDFGCompiles", functionNumberOfDFGCompiles, 1);
+ addFunction(vm, "optimizeNextInvocation", functionOptimizeNextInvocation, 1);
+ addFunction(vm, "reoptimizationRetryCount", functionReoptimizationRetryCount, 1);
+ addFunction(vm, "transferArrayBuffer", functionTransferArrayBuffer, 1);
#if ENABLE(SAMPLING_FLAGS)
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "setSamplingFlags"), functionSetSamplingFlags));
- putDirectFunction(globalExec(), new (globalExec()) NativeFunctionWrapper(globalExec(), prototypeFunctionStructure(), 1, Identifier(globalExec(), "clearSamplingFlags"), functionClearSamplingFlags));
+ addFunction(vm, "setSamplingFlags", functionSetSamplingFlags, 1);
+ addFunction(vm, "clearSamplingFlags", functionClearSamplingFlags, 1);
#endif
+ addConstructableFunction(vm, "Root", functionCreateRoot, 0);
+ addConstructableFunction(vm, "Element", functionCreateElement, 1);
+ addFunction(vm, "getElement", functionGetElement, 1);
+ addFunction(vm, "setElementRoot", functionSetElementRoot, 2);
+
+ putDirectNativeFunction(vm, this, Identifier(&vm, "DFGTrue"), 0, functionFalse1, DFGTrueIntrinsic, DontEnum | JSC::Function);
+ putDirectNativeFunction(vm, this, Identifier(&vm, "OSRExit"), 0, functionUndefined1, OSRExitIntrinsic, DontEnum | JSC::Function);
+ putDirectNativeFunction(vm, this, Identifier(&vm, "isFinalTier"), 0, functionFalse2, IsFinalTierIntrinsic, DontEnum | JSC::Function);
+ putDirectNativeFunction(vm, this, Identifier(&vm, "predictInt32"), 0, functionUndefined2, SetInt32HeapPredictionIntrinsic, DontEnum | JSC::Function);
+ putDirectNativeFunction(vm, this, Identifier(&vm, "fiatInt52"), 0, functionIdentity, FiatInt52Intrinsic, DontEnum | JSC::Function);
+
+ addFunction(vm, "effectful42", functionEffectful42, 0);
+ addFunction(vm, "makeMasquerader", functionMakeMasquerader, 0);
+
+ addFunction(vm, "createProxy", functionCreateProxy, 1);
+ addFunction(vm, "createRuntimeArray", functionCreateRuntimeArray, 0);
+
+ addFunction(vm, "createImpureGetter", functionCreateImpureGetter, 1);
+ addFunction(vm, "setImpureGetterDelegate", functionSetImpureGetterDelegate, 2);
+
+ JSArray* array = constructEmptyArray(globalExec(), 0);
+ for (size_t i = 0; i < arguments.size(); ++i)
+ array->putDirectIndex(globalExec(), i, jsString(globalExec(), arguments[i]));
+ putDirect(vm, Identifier(globalExec(), "arguments"), array);
+
+ putDirect(vm, Identifier(globalExec(), "console"), jsUndefined());
+ }
- JSObject* array = constructEmptyArray(globalExec());
- for (size_t i = 0; i < arguments.size(); ++i)
- array->put(globalExec(), i, jsString(globalExec(), arguments[i]));
- putDirect(Identifier(globalExec(), "arguments"), array);
+ void addFunction(VM& vm, const char* name, NativeFunction function, unsigned arguments)
+ {
+ Identifier identifier(&vm, name);
+ putDirect(vm, identifier, JSFunction::create(vm, this, arguments, identifier.string(), function));
+ }
+
+ void addConstructableFunction(VM& vm, const char* name, NativeFunction function, unsigned arguments)
+ {
+ Identifier identifier(&vm, name);
+ putDirect(vm, identifier, JSFunction::create(vm, this, arguments, identifier.string(), function, NoIntrinsic, function));
+ }
+};
+
+const ClassInfo GlobalObject::s_info = { "global", &JSGlobalObject::s_info, 0, ExecState::globalObjectTable, CREATE_METHOD_TABLE(GlobalObject) };
+const GlobalObjectMethodTable GlobalObject::s_globalObjectMethodTable = { &allowsAccessFrom, &supportsProfiling, &supportsRichSourceInfo, &shouldInterruptScript, &javaScriptExperimentsEnabled, 0, &shouldInterruptScriptBeforeTimeout };
+
+
+GlobalObject::GlobalObject(VM& vm, Structure* structure)
+ : JSGlobalObject(vm, structure, &s_globalObjectMethodTable)
+{
+}
+
+static inline String stringFromUTF(const char* utf8)
+{
+ // Find the the first non-ascii character, or nul.
+ const char* pos = utf8;
+ while (*pos > 0)
+ pos++;
+ size_t asciiLength = pos - utf8;
+
+ // Fast case - string is all ascii.
+ if (!*pos)
+ return String(utf8, asciiLength);
+
+ // Slow case - contains non-ascii characters, use fromUTF8WithLatin1Fallback.
+ ASSERT(*pos < 0);
+ ASSERT(strlen(utf8) == asciiLength + strlen(pos));
+ return String::fromUTF8WithLatin1Fallback(utf8, asciiLength + strlen(pos));
+}
+
+static inline SourceCode jscSource(const char* utf8, const String& filename)
+{
+ String str = stringFromUTF(utf8);
+ return makeSource(str, filename);
}
-JSValue JSC_HOST_CALL functionPrint(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionPrint(ExecState* exec)
{
- for (unsigned i = 0; i < args.size(); ++i) {
- if (i != 0)
+ for (unsigned i = 0; i < exec->argumentCount(); ++i) {
+ if (i)
putchar(' ');
-
- printf("%s", args.at(i).toString(exec).UTF8String().c_str());
+
+ printf("%s", exec->uncheckedArgument(i).toString(exec)->value(exec).utf8().data());
}
-
+
putchar('\n');
fflush(stdout);
- return jsUndefined();
+ return JSValue::encode(jsUndefined());
+}
+
+#ifndef NDEBUG
+EncodedJSValue JSC_HOST_CALL functionDumpCallFrame(ExecState* exec)
+{
+ if (!exec->callerFrame()->isVMEntrySentinel())
+ exec->vm().interpreter->dumpCallFrame(exec->callerFrame());
+ return JSValue::encode(jsUndefined());
+}
+#endif
+
+EncodedJSValue JSC_HOST_CALL functionDebug(ExecState* exec)
+{
+ fprintf(stderr, "--> %s\n", exec->argument(0).toString(exec)->value(exec).utf8().data());
+ return JSValue::encode(jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionDescribe(ExecState* exec)
+{
+ if (exec->argumentCount() < 1)
+ return JSValue::encode(jsUndefined());
+ return JSValue::encode(jsString(exec, toString(exec->argument(0))));
+}
+
+EncodedJSValue JSC_HOST_CALL functionDescribeArray(ExecState* exec)
+{
+ if (exec->argumentCount() < 1)
+ return JSValue::encode(jsUndefined());
+ JSObject* object = jsDynamicCast<JSObject*>(exec->argument(0));
+ if (!object)
+ return JSValue::encode(jsString(exec, "<not object>"));
+ return JSValue::encode(jsString(exec, toString("<Public length: ", object->getArrayLength(), "; vector length: ", object->getVectorLength(), ">")));
+}
+
+class FunctionJSCStackFunctor {
+public:
+ FunctionJSCStackFunctor(StringBuilder& trace)
+ : m_trace(trace)
+ {
+ }
+
+ StackVisitor::Status operator()(StackVisitor& visitor)
+ {
+ m_trace.append(String::format(" %zu %s\n", visitor->index(), visitor->toString().utf8().data()));
+ return StackVisitor::Continue;
+ }
+
+private:
+ StringBuilder& m_trace;
+};
+
+EncodedJSValue JSC_HOST_CALL functionJSCStack(ExecState* exec)
+{
+ StringBuilder trace;
+ trace.appendLiteral("--> Stack trace:\n");
+
+ FunctionJSCStackFunctor functor(trace);
+ exec->iterate(functor);
+ fprintf(stderr, "%s", trace.toString().utf8().data());
+ return JSValue::encode(jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionCreateRoot(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ return JSValue::encode(Root::create(exec->vm(), exec->lexicalGlobalObject()));
+}
+
+EncodedJSValue JSC_HOST_CALL functionCreateElement(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ JSValue arg = exec->argument(0);
+ return JSValue::encode(Element::create(exec->vm(), exec->lexicalGlobalObject(), arg.isNull() ? nullptr : jsCast<Root*>(exec->argument(0))));
+}
+
+EncodedJSValue JSC_HOST_CALL functionGetElement(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ Element* result = jsCast<Root*>(exec->argument(0).asCell())->element();
+ return JSValue::encode(result ? result : jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionSetElementRoot(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ Element* element = jsCast<Element*>(exec->argument(0));
+ Root* root = jsCast<Root*>(exec->argument(1));
+ element->setRoot(root);
+ return JSValue::encode(jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionCreateProxy(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ JSValue target = exec->argument(0);
+ if (!target.isObject())
+ return JSValue::encode(jsUndefined());
+ JSObject* jsTarget = asObject(target.asCell());
+ Structure* structure = JSProxy::createStructure(exec->vm(), exec->lexicalGlobalObject(), jsTarget->prototype());
+ JSProxy* proxy = JSProxy::create(exec->vm(), structure, jsTarget);
+ return JSValue::encode(proxy);
+}
+
+EncodedJSValue JSC_HOST_CALL functionCreateRuntimeArray(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ RuntimeArray* array = RuntimeArray::create(exec);
+ return JSValue::encode(array);
+}
+
+EncodedJSValue JSC_HOST_CALL functionCreateImpureGetter(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ JSValue target = exec->argument(0);
+ JSObject* delegate = nullptr;
+ if (target.isObject())
+ delegate = asObject(target.asCell());
+ Structure* structure = ImpureGetter::createStructure(exec->vm(), exec->lexicalGlobalObject(), jsNull());
+ ImpureGetter* result = ImpureGetter::create(exec->vm(), structure, delegate);
+ return JSValue::encode(result);
+}
+
+EncodedJSValue JSC_HOST_CALL functionSetImpureGetterDelegate(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ JSValue base = exec->argument(0);
+ if (!base.isObject())
+ return JSValue::encode(jsUndefined());
+ JSValue delegate = exec->argument(1);
+ if (!delegate.isObject())
+ return JSValue::encode(jsUndefined());
+ ImpureGetter* impureGetter = jsCast<ImpureGetter*>(asObject(base.asCell()));
+ impureGetter->setDelegate(exec->vm(), asObject(delegate.asCell()));
+ return JSValue::encode(jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionGCAndSweep(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ exec->heap()->collectAllGarbage();
+ return JSValue::encode(jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionFullGC(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ exec->heap()->collect(FullCollection);
+ return JSValue::encode(jsUndefined());
}
-JSValue JSC_HOST_CALL functionDebug(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionEdenGC(ExecState* exec)
{
- fprintf(stderr, "--> %s\n", args.at(0).toString(exec).UTF8String().c_str());
- return jsUndefined();
+ JSLockHolder lock(exec);
+ exec->heap()->collect(EdenCollection);
+ return JSValue::encode(jsUndefined());
}
-JSValue JSC_HOST_CALL functionGC(ExecState* exec, JSObject*, JSValue, const ArgList&)
+EncodedJSValue JSC_HOST_CALL functionDeleteAllCompiledCode(ExecState* exec)
{
- JSLock lock(false);
- exec->heap()->collect();
- return jsUndefined();
+ JSLockHolder lock(exec);
+ exec->heap()->deleteAllCompiledCode();
+ return JSValue::encode(jsUndefined());
}
-JSValue JSC_HOST_CALL functionVersion(ExecState*, JSObject*, JSValue, const ArgList&)
+#ifndef NDEBUG
+EncodedJSValue JSC_HOST_CALL functionReleaseExecutableMemory(ExecState* exec)
+{
+ JSLockHolder lock(exec);
+ exec->vm().releaseExecutableMemory();
+ return JSValue::encode(jsUndefined());
+}
+#endif
+
+EncodedJSValue JSC_HOST_CALL functionVersion(ExecState*)
{
// We need this function for compatibility with the Mozilla JS tests but for now
// we don't actually do any version-specific handling
- return jsUndefined();
+ return JSValue::encode(jsUndefined());
}
-JSValue JSC_HOST_CALL functionRun(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionRun(ExecState* exec)
{
- StopWatch stopWatch;
- UString fileName = args.at(0).toString(exec);
+ String fileName = exec->argument(0).toString(exec)->value(exec);
Vector<char> script;
if (!fillBufferWithContentsOfFile(fileName, script))
- return throwError(exec, GeneralError, "Could not open file.");
+ return JSValue::encode(exec->vm().throwException(exec, createError(exec, "Could not open file.")));
- JSGlobalObject* globalObject = exec->lexicalGlobalObject();
+ GlobalObject* globalObject = GlobalObject::create(exec->vm(), GlobalObject::createStructure(exec->vm(), jsNull()), Vector<String>());
+ JSArray* array = constructEmptyArray(globalObject->globalExec(), 0);
+ for (unsigned i = 1; i < exec->argumentCount(); ++i)
+ array->putDirectIndex(globalObject->globalExec(), i - 1, exec->uncheckedArgument(i));
+ globalObject->putDirect(
+ exec->vm(), Identifier(globalObject->globalExec(), "arguments"), array);
+
+ JSValue exception;
+ StopWatch stopWatch;
stopWatch.start();
- evaluate(globalObject->globalExec(), globalObject->globalScopeChain(), makeSource(script.data(), fileName));
+ evaluate(globalObject->globalExec(), jscSource(script.data(), fileName), JSValue(), &exception);
stopWatch.stop();
- return jsNumber(globalObject->globalExec(), stopWatch.getElapsedMS());
+ if (!!exception) {
+ exec->vm().throwException(globalObject->globalExec(), exception);
+ return JSValue::encode(jsUndefined());
+ }
+
+ return JSValue::encode(jsNumber(stopWatch.getElapsedMS()));
}
-JSValue JSC_HOST_CALL functionLoad(ExecState* exec, JSObject* o, JSValue v, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionLoad(ExecState* exec)
{
- UNUSED_PARAM(o);
- UNUSED_PARAM(v);
- UString fileName = args.at(0).toString(exec);
+ String fileName = exec->argument(0).toString(exec)->value(exec);
Vector<char> script;
if (!fillBufferWithContentsOfFile(fileName, script))
- return throwError(exec, GeneralError, "Could not open file.");
+ return JSValue::encode(exec->vm().throwException(exec, createError(exec, "Could not open file.")));
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
- Completion result = evaluate(globalObject->globalExec(), globalObject->globalScopeChain(), makeSource(script.data(), fileName));
- if (result.complType() == Throw)
- exec->setException(result.value());
- return result.value();
+
+ JSValue evaluationException;
+ JSValue result = evaluate(globalObject->globalExec(), jscSource(script.data(), fileName), JSValue(), &evaluationException);
+ if (evaluationException)
+ exec->vm().throwException(exec, evaluationException);
+ return JSValue::encode(result);
+}
+
+EncodedJSValue JSC_HOST_CALL functionReadFile(ExecState* exec)
+{
+ String fileName = exec->argument(0).toString(exec)->value(exec);
+ Vector<char> script;
+ if (!fillBufferWithContentsOfFile(fileName, script))
+ return JSValue::encode(exec->vm().throwException(exec, createError(exec, "Could not open file.")));
+
+ return JSValue::encode(jsString(exec, stringFromUTF(script.data())));
}
-JSValue JSC_HOST_CALL functionCheckSyntax(ExecState* exec, JSObject* o, JSValue v, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionCheckSyntax(ExecState* exec)
{
- UNUSED_PARAM(o);
- UNUSED_PARAM(v);
- UString fileName = args.at(0).toString(exec);
+ String fileName = exec->argument(0).toString(exec)->value(exec);
Vector<char> script;
if (!fillBufferWithContentsOfFile(fileName, script))
- return throwError(exec, GeneralError, "Could not open file.");
+ return JSValue::encode(exec->vm().throwException(exec, createError(exec, "Could not open file.")));
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
- Completion result = checkSyntax(globalObject->globalExec(), makeSource(script.data(), fileName));
- if (result.complType() == Throw)
- exec->setException(result.value());
- return result.value();
+
+ StopWatch stopWatch;
+ stopWatch.start();
+
+ JSValue syntaxException;
+ bool validSyntax = checkSyntax(globalObject->globalExec(), jscSource(script.data(), fileName), &syntaxException);
+ stopWatch.stop();
+
+ if (!validSyntax)
+ exec->vm().throwException(exec, syntaxException);
+ return JSValue::encode(jsNumber(stopWatch.getElapsedMS()));
}
#if ENABLE(SAMPLING_FLAGS)
-JSValue JSC_HOST_CALL functionSetSamplingFlags(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionSetSamplingFlags(ExecState* exec)
{
- for (unsigned i = 0; i < args.size(); ++i) {
- unsigned flag = static_cast<unsigned>(args.at(i).toNumber(exec));
+ for (unsigned i = 0; i < exec->argumentCount(); ++i) {
+ unsigned flag = static_cast<unsigned>(exec->uncheckedArgument(i).toNumber(exec));
if ((flag >= 1) && (flag <= 32))
SamplingFlags::setFlag(flag);
}
- return jsNull();
+ return JSValue::encode(jsNull());
}
-JSValue JSC_HOST_CALL functionClearSamplingFlags(ExecState* exec, JSObject*, JSValue, const ArgList& args)
+EncodedJSValue JSC_HOST_CALL functionClearSamplingFlags(ExecState* exec)
{
- for (unsigned i = 0; i < args.size(); ++i) {
- unsigned flag = static_cast<unsigned>(args.at(i).toNumber(exec));
+ for (unsigned i = 0; i < exec->argumentCount(); ++i) {
+ unsigned flag = static_cast<unsigned>(exec->uncheckedArgument(i).toNumber(exec));
if ((flag >= 1) && (flag <= 32))
SamplingFlags::clearFlag(flag);
}
- return jsNull();
+ return JSValue::encode(jsNull());
}
#endif
-JSValue JSC_HOST_CALL functionReadline(ExecState* exec, JSObject*, JSValue, const ArgList&)
+EncodedJSValue JSC_HOST_CALL functionReadline(ExecState* exec)
{
Vector<char, 256> line;
int c;
line.append(c);
}
line.append('\0');
- return jsString(exec, line.data());
+ return JSValue::encode(jsString(exec, line.data()));
}
-JSValue JSC_HOST_CALL functionQuit(ExecState* exec, JSObject*, JSValue, const ArgList&)
+EncodedJSValue JSC_HOST_CALL functionPreciseTime(ExecState*)
+{
+ return JSValue::encode(jsNumber(currentTime()));
+}
+
+EncodedJSValue JSC_HOST_CALL functionNeverInlineFunction(ExecState* exec)
+{
+ return JSValue::encode(setNeverInline(exec));
+}
+
+EncodedJSValue JSC_HOST_CALL functionOptimizeNextInvocation(ExecState* exec)
+{
+ return JSValue::encode(optimizeNextInvocation(exec));
+}
+
+EncodedJSValue JSC_HOST_CALL functionNumberOfDFGCompiles(ExecState* exec)
+{
+ return JSValue::encode(numberOfDFGCompiles(exec));
+}
+
+EncodedJSValue JSC_HOST_CALL functionReoptimizationRetryCount(ExecState* exec)
+{
+ if (exec->argumentCount() < 1)
+ return JSValue::encode(jsUndefined());
+
+ CodeBlock* block = getSomeBaselineCodeBlockForFunction(exec->argument(0));
+ if (!block)
+ return JSValue::encode(jsNumber(0));
+
+ return JSValue::encode(jsNumber(block->reoptimizationRetryCounter()));
+}
+
+EncodedJSValue JSC_HOST_CALL functionTransferArrayBuffer(ExecState* exec)
+{
+ if (exec->argumentCount() < 1)
+ return JSValue::encode(exec->vm().throwException(exec, createError(exec, "Not enough arguments")));
+
+ JSArrayBuffer* buffer = jsDynamicCast<JSArrayBuffer*>(exec->argument(0));
+ if (!buffer)
+ return JSValue::encode(exec->vm().throwException(exec, createError(exec, "Expected an array buffer")));
+
+ ArrayBufferContents dummyContents;
+ buffer->impl()->transfer(dummyContents);
+
+ return JSValue::encode(jsUndefined());
+}
+
+EncodedJSValue JSC_HOST_CALL functionQuit(ExecState*)
{
- cleanupGlobalData(&exec->globalData());
exit(EXIT_SUCCESS);
+
+#if COMPILER(MSVC) && OS(WINCE)
+ // Without this, Visual Studio will complain that this method does not return a value.
+ return JSValue::encode(jsUndefined());
+#endif
+}
+
+EncodedJSValue JSC_HOST_CALL functionFalse1(ExecState*) { return JSValue::encode(jsBoolean(false)); }
+EncodedJSValue JSC_HOST_CALL functionFalse2(ExecState*) { return JSValue::encode(jsBoolean(false)); }
+
+EncodedJSValue JSC_HOST_CALL functionUndefined1(ExecState*) { return JSValue::encode(jsUndefined()); }
+EncodedJSValue JSC_HOST_CALL functionUndefined2(ExecState*) { return JSValue::encode(jsUndefined()); }
+
+EncodedJSValue JSC_HOST_CALL functionIdentity(ExecState* exec) { return JSValue::encode(exec->argument(0)); }
+
+EncodedJSValue JSC_HOST_CALL functionEffectful42(ExecState*)
+{
+ return JSValue::encode(jsNumber(42));
+}
+
+EncodedJSValue JSC_HOST_CALL functionMakeMasquerader(ExecState* exec)
+{
+ return JSValue::encode(Masquerader::create(exec->vm(), exec->lexicalGlobalObject()));
}
// Use SEH for Release builds only to get rid of the crash report dialog
// be in a separate main function because the jscmain function requires object
// unwinding.
-#if COMPILER(MSVC) && !defined(_DEBUG)
+#if COMPILER(MSVC) && !defined(_DEBUG) && !OS(WINCE)
#define TRY __try {
#define EXCEPT(x) } __except (EXCEPTION_EXECUTE_HANDLER) { x; }
#else
#define EXCEPT(x)
#endif
-int jscmain(int argc, char** argv, JSGlobalData*);
+int jscmain(int argc, char** argv);
+
+static double s_desiredTimeout;
+
+static NO_RETURN_DUE_TO_CRASH void timeoutThreadMain(void*)
+{
+ auto timeout = std::chrono::microseconds(static_cast<std::chrono::microseconds::rep>(s_desiredTimeout * 1000000));
+ std::this_thread::sleep_for(timeout);
+
+ dataLog("Timed out after ", s_desiredTimeout, " seconds!\n");
+ CRASH();
+}
int main(int argc, char** argv)
{
-#if defined(_DEBUG) && PLATFORM(WIN_OS)
+#if PLATFORM(IOS) && CPU(ARM_THUMB2)
+ // Enabled IEEE754 denormal support.
+ fenv_t env;
+ fegetenv( &env );
+ env.__fpscr &= ~0x01000000u;
+ fesetenv( &env );
+#endif
+
+#if OS(WINDOWS)
+#if !OS(WINCE)
+ // Cygwin calls ::SetErrorMode(SEM_FAILCRITICALERRORS), which we will inherit. This is bad for
+ // testing/debugging, as it causes the post-mortem debugger not to be invoked. We reset the
+ // error mode here to work around Cygwin's behavior. See <http://webkit.org/b/55222>.
+ ::SetErrorMode(0);
+
+#if defined(_DEBUG)
_CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ERROR, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);
_CrtSetReportMode(_CRT_ASSERT, _CRTDBG_MODE_FILE);
+#endif
#endif
-#if COMPILER(MSVC) && !PLATFORM(WINCE)
timeBeginPeriod(1);
#endif
-#if PLATFORM(QT)
- QCoreApplication app(argc, argv);
+#if PLATFORM(EFL)
+ ecore_init();
#endif
- // Initialize JSC before getting JSGlobalData.
+ // Initialize JSC before getting VM.
+#if ENABLE(SAMPLING_REGIONS)
+ WTF::initializeMainThread();
+#endif
JSC::initializeThreading();
+#if !OS(WINCE)
+ if (char* timeoutString = getenv("JSC_timeout")) {
+ if (sscanf(timeoutString, "%lf", &s_desiredTimeout) != 1) {
+ dataLog(
+ "WARNING: timeout string is malformed, got ", timeoutString,
+ " but expected a number. Not using a timeout.\n");
+ } else
+ createThread(timeoutThreadMain, 0, "jsc Timeout Thread");
+ }
+#endif
+
+#if PLATFORM(IOS)
+ Options::crashIfCantAllocateJITMemory() = true;
+#endif
+
// We can't use destructors in the following code because it uses Windows
// Structured Exception Handling
int res = 0;
- JSGlobalData* globalData = JSGlobalData::create().releaseRef();
TRY
- res = jscmain(argc, argv, globalData);
+ res = jscmain(argc, argv);
EXCEPT(res = 3)
+ if (Options::logHeapStatisticsAtExit())
+ HeapStatistics::reportSuccess();
- cleanupGlobalData(globalData);
- return res;
-}
+#if PLATFORM(EFL)
+ ecore_shutdown();
+#endif
-static void cleanupGlobalData(JSGlobalData* globalData)
-{
- JSLock lock(false);
- globalData->heap.destroy();
- globalData->deref();
+ return res;
}
static bool runWithScripts(GlobalObject* globalObject, const Vector<Script>& scripts, bool dump)
{
- UString script;
- UString fileName;
+ const char* script;
+ String fileName;
Vector<char> scriptBuffer;
if (dump)
- BytecodeGenerator::setDumpsGeneratedCode(true);
+ JSC::Options::dumpGeneratedBytecodes() = true;
+
+ VM& vm = globalObject->vm();
-#if ENABLE(OPCODE_SAMPLING)
- Interpreter* interpreter = globalObject->globalData()->interpreter;
- interpreter->setSampler(new SamplingTool(interpreter));
- interpreter->sampler()->setup();
-#endif
#if ENABLE(SAMPLING_FLAGS)
SamplingFlags::start();
#endif
fileName = "[Command Line]";
}
-#if ENABLE(SAMPLING_THREAD)
- SamplingThread::start();
-#endif
-
- Completion completion = evaluate(globalObject->globalExec(), globalObject->globalScopeChain(), makeSource(script, fileName));
- success = success && completion.complType() != Throw;
- if (dump) {
- if (completion.complType() == Throw)
- printf("Exception: %s\n", completion.value().toString(globalObject->globalExec()).ascii());
- else
- printf("End: %s\n", completion.value().toString(globalObject->globalExec()).ascii());
+ vm.startSampling();
+
+ JSValue evaluationException;
+ JSValue returnValue = evaluate(globalObject->globalExec(), jscSource(script, fileName), JSValue(), &evaluationException);
+ success = success && !evaluationException;
+ if (dump && !evaluationException)
+ printf("End: %s\n", returnValue.toString(globalObject->globalExec())->value(globalObject->globalExec()).utf8().data());
+ if (evaluationException) {
+ printf("Exception: %s\n", evaluationException.toString(globalObject->globalExec())->value(globalObject->globalExec()).utf8().data());
+ Identifier stackID(globalObject->globalExec(), "stack");
+ JSValue stackValue = evaluationException.get(globalObject->globalExec(), stackID);
+ if (!stackValue.isUndefinedOrNull())
+ printf("%s\n", stackValue.toString(globalObject->globalExec())->value(globalObject->globalExec()).utf8().data());
}
-#if ENABLE(SAMPLING_THREAD)
- SamplingThread::stop();
-#endif
-
+ vm.stopSampling();
globalObject->globalExec()->clearException();
}
#if ENABLE(SAMPLING_FLAGS)
SamplingFlags::stop();
#endif
-#if ENABLE(OPCODE_SAMPLING)
- interpreter->sampler()->dump(globalObject->globalExec());
- delete interpreter->sampler();
+#if ENABLE(SAMPLING_REGIONS)
+ SamplingRegion::dump();
#endif
+ vm.dumpSampleData(globalObject->globalExec());
#if ENABLE(SAMPLING_COUNTERS)
AbstractSamplingCounter::dump();
+#endif
+#if ENABLE(REGEXP_TRACING)
+ vm.dumpRegExpTrace();
#endif
return success;
}
static void runInteractive(GlobalObject* globalObject)
{
- while (true) {
+ String interpreterName("Interpreter");
+
+ bool shouldQuit = false;
+ while (!shouldQuit) {
#if HAVE(READLINE) && !RUNNING_FROM_XCODE
- char* line = readline(interactivePrompt);
- if (!line)
- break;
- if (line[0])
+ ParserError error;
+ String source;
+ do {
+ error = ParserError();
+ char* line = readline(source.isEmpty() ? interactivePrompt : "... ");
+ shouldQuit = !line;
+ if (!line)
+ break;
+ source = source + line;
+ source = source + '\n';
+ checkSyntax(globalObject->vm(), makeSource(source, interpreterName), error);
+ if (!line[0])
+ break;
add_history(line);
- Completion completion = evaluate(globalObject->globalExec(), globalObject->globalScopeChain(), makeSource(line, interpreterName));
- free(line);
+ } while (error.m_syntaxErrorType == ParserError::SyntaxErrorRecoverable);
+
+ if (error.m_type != ParserError::ErrorNone) {
+ printf("%s:%d\n", error.m_message.utf8().data(), error.m_line);
+ continue;
+ }
+
+
+ JSValue evaluationException;
+ JSValue returnValue = evaluate(globalObject->globalExec(), makeSource(source, interpreterName), JSValue(), &evaluationException);
#else
printf("%s", interactivePrompt);
Vector<char, 256> line;
if (line.isEmpty())
break;
line.append('\0');
- Completion completion = evaluate(globalObject->globalExec(), globalObject->globalScopeChain(), makeSource(line.data(), interpreterName));
+
+ JSValue evaluationException;
+ JSValue returnValue = evaluate(globalObject->globalExec(), jscSource(line.data(), interpreterName), JSValue(), &evaluationException);
#endif
- if (completion.complType() == Throw)
- printf("Exception: %s\n", completion.value().toString(globalObject->globalExec()).ascii());
+ if (evaluationException)
+ printf("Exception: %s\n", evaluationException.toString(globalObject->globalExec())->value(globalObject->globalExec()).utf8().data());
else
- printf("%s\n", completion.value().toString(globalObject->globalExec()).UTF8String().c_str());
+ printf("%s\n", returnValue.toString(globalObject->globalExec())->value(globalObject->globalExec()).utf8().data());
globalObject->globalExec()->clearException();
}
printf("\n");
}
-static NO_RETURN void printUsageStatement(JSGlobalData* globalData, bool help = false)
+static NO_RETURN void printUsageStatement(bool help = false)
{
fprintf(stderr, "Usage: jsc [options] [files] [-- arguments]\n");
fprintf(stderr, " -d Dumps bytecode (debug builds only)\n");
#if HAVE(SIGNAL_H)
fprintf(stderr, " -s Installs signal handlers that exit on a crash (Unix platforms only)\n");
#endif
+ fprintf(stderr, " -p <file> Outputs profiling data to a file\n");
+ fprintf(stderr, " -x Output exit code before terminating\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, " --options Dumps all JSC VM options and exits\n");
+ fprintf(stderr, " --dumpOptions Dumps all JSC VM options before continuing\n");
+ fprintf(stderr, " --<jsc VM option>=<value> Sets the specified JSC VM option\n");
+ fprintf(stderr, "\n");
- cleanupGlobalData(globalData);
exit(help ? EXIT_SUCCESS : EXIT_FAILURE);
}
-static void parseArguments(int argc, char** argv, Options& options, JSGlobalData* globalData)
+void CommandLine::parseArguments(int argc, char** argv)
{
int i = 1;
+ bool needToDumpOptions = false;
+ bool needToExit = false;
+
for (; i < argc; ++i) {
const char* arg = argv[i];
- if (strcmp(arg, "-f") == 0) {
+ if (!strcmp(arg, "-f")) {
if (++i == argc)
- printUsageStatement(globalData);
- options.scripts.append(Script(true, argv[i]));
+ printUsageStatement();
+ m_scripts.append(Script(true, argv[i]));
continue;
}
- if (strcmp(arg, "-e") == 0) {
+ if (!strcmp(arg, "-e")) {
if (++i == argc)
- printUsageStatement(globalData);
- options.scripts.append(Script(false, argv[i]));
+ printUsageStatement();
+ m_scripts.append(Script(false, argv[i]));
continue;
}
- if (strcmp(arg, "-h") == 0 || strcmp(arg, "--help") == 0) {
- printUsageStatement(globalData, true);
+ if (!strcmp(arg, "-i")) {
+ m_interactive = true;
+ continue;
}
- if (strcmp(arg, "-i") == 0) {
- options.interactive = true;
+ if (!strcmp(arg, "-d")) {
+ m_dump = true;
continue;
}
- if (strcmp(arg, "-d") == 0) {
- options.dump = true;
+ if (!strcmp(arg, "-p")) {
+ if (++i == argc)
+ printUsageStatement();
+ m_profile = true;
+ m_profilerOutput = argv[i];
continue;
}
- if (strcmp(arg, "-s") == 0) {
+ if (!strcmp(arg, "-s")) {
#if HAVE(SIGNAL_H)
signal(SIGILL, _exit);
signal(SIGFPE, _exit);
#endif
continue;
}
- if (strcmp(arg, "--") == 0) {
+ if (!strcmp(arg, "-x")) {
+ m_exitCode = true;
+ continue;
+ }
+ if (!strcmp(arg, "--")) {
++i;
break;
}
- options.scripts.append(Script(true, argv[i]));
+ if (!strcmp(arg, "-h") || !strcmp(arg, "--help"))
+ printUsageStatement(true);
+
+ if (!strcmp(arg, "--options")) {
+ needToDumpOptions = true;
+ needToExit = true;
+ continue;
+ }
+ if (!strcmp(arg, "--dumpOptions")) {
+ needToDumpOptions = true;
+ continue;
+ }
+
+ // See if the -- option is a JSC VM option.
+ // NOTE: At this point, we know that the arg starts with "--". Skip it.
+ if (JSC::Options::setOption(&arg[2])) {
+ // The arg was recognized as a VM option and has been parsed.
+ continue; // Just continue with the next arg.
+ }
+
+ // This arg is not recognized by the VM nor by jsc. Pass it on to the
+ // script.
+ m_scripts.append(Script(true, argv[i]));
}
-
- if (options.scripts.isEmpty())
- options.interactive = true;
-
+
+ if (m_scripts.isEmpty())
+ m_interactive = true;
+
for (; i < argc; ++i)
- options.arguments.append(argv[i]);
+ m_arguments.append(argv[i]);
+
+ if (needToDumpOptions)
+ JSC::Options::dumpAllOptions(stderr);
+ if (needToExit)
+ exit(EXIT_SUCCESS);
}
-int jscmain(int argc, char** argv, JSGlobalData* globalData)
+int jscmain(int argc, char** argv)
{
- JSLock lock(false);
+ // Note that the options parsing can affect VM creation, and thus
+ // comes first.
+ CommandLine options(argc, argv);
+ VM* vm = VM::create(LargeHeap).leakRef();
+ int result;
+ {
+ JSLockHolder locker(vm);
- Options options;
- parseArguments(argc, argv, options, globalData);
+ if (options.m_profile && !vm->m_perBytecodeProfiler)
+ vm->m_perBytecodeProfiler = adoptPtr(new Profiler::Database(*vm));
+
+ GlobalObject* globalObject = GlobalObject::create(*vm, GlobalObject::createStructure(*vm, jsNull()), options.m_arguments);
+ bool success = runWithScripts(globalObject, options.m_scripts, options.m_dump);
+ if (options.m_interactive && success)
+ runInteractive(globalObject);
- GlobalObject* globalObject = new (globalData) GlobalObject(options.arguments);
- bool success = runWithScripts(globalObject, options.scripts, options.dump);
- if (options.interactive && success)
- runInteractive(globalObject);
+ result = success ? 0 : 3;
- return success ? 0 : 3;
+ if (options.m_exitCode)
+ printf("jsc exiting %d\n", result);
+
+ if (options.m_profile) {
+ if (!vm->m_perBytecodeProfiler->save(options.m_profilerOutput.utf8().data()))
+ fprintf(stderr, "could not save profiler output.\n");
+ }
+
+#if ENABLE(JIT)
+ if (Options::enableExceptionFuzz())
+ printf("JSC EXCEPTION FUZZ: encountered %u checks.\n", numberOfExceptionFuzzChecks());
+#endif
+ }
+
+ return result;
}
-static bool fillBufferWithContentsOfFile(const UString& fileName, Vector<char>& buffer)
+static bool fillBufferWithContentsOfFile(const String& fileName, Vector<char>& buffer)
{
- FILE* f = fopen(fileName.UTF8String().c_str(), "r");
+ FILE* f = fopen(fileName.utf8().data(), "r");
if (!f) {
- fprintf(stderr, "Could not open file: %s\n", fileName.UTF8String().c_str());
+ fprintf(stderr, "Could not open file: %s\n", fileName.utf8().data());
return false;
}
- size_t buffer_size = 0;
- size_t buffer_capacity = 1024;
+ size_t bufferSize = 0;
+ size_t bufferCapacity = 1024;
- buffer.resize(buffer_capacity);
+ buffer.resize(bufferCapacity);
while (!feof(f) && !ferror(f)) {
- buffer_size += fread(buffer.data() + buffer_size, 1, buffer_capacity - buffer_size, f);
- if (buffer_size == buffer_capacity) { // guarantees space for trailing '\0'
- buffer_capacity *= 2;
- buffer.resize(buffer_capacity);
+ bufferSize += fread(buffer.data() + bufferSize, 1, bufferCapacity - bufferSize, f);
+ if (bufferSize == bufferCapacity) { // guarantees space for trailing '\0'
+ bufferCapacity *= 2;
+ buffer.resize(bufferCapacity);
}
}
fclose(f);
- buffer[buffer_size] = '\0';
+ buffer[bufferSize] = '\0';
+
+ if (buffer[0] == '#' && buffer[1] == '!')
+ buffer[0] = buffer[1] = '/';
return true;
}
projects / apple / javascriptcore.git / blobdiff