예제 #1
0
JSObject* ProgramExecutable::compileInternal(ExecState* exec, JSScope* scope, JITCode::JITType jitType, unsigned bytecodeIndex)
{
    SamplingRegion samplingRegion(samplingDescription(jitType));
    
#if !ENABLE(JIT)
    UNUSED_PARAM(exec);
    UNUSED_PARAM(jitType);
    UNUSED_PARAM(bytecodeIndex);
#endif
    if (!!m_programCodeBlock) {
        OwnPtr<ProgramCodeBlock> newCodeBlock = adoptPtr(new ProgramCodeBlock(CodeBlock::CopyParsedBlock, *m_programCodeBlock));
        newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_programCodeBlock.release()));
        m_programCodeBlock = newCodeBlock.release();
    } else {
        JSGlobalObject* globalObject = scope->globalObject();
        m_programCodeBlock = adoptPtr(new ProgramCodeBlock(this, m_unlinkedProgramCodeBlock.get(), globalObject, source().provider(), m_programCodeBlock.release()));
        m_programCodeBlock->copyPostParseDataFromAlternative();
    }

#if ENABLE(JIT)
    if (!prepareForExecution(exec, m_programCodeBlock, m_jitCodeForCall, jitType, bytecodeIndex))
        return 0;
#endif

#if ENABLE(JIT)
    Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_programCodeBlock) + m_jitCodeForCall.size());
#else
    Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_programCodeBlock));
#endif

    return 0;
}
예제 #2
0
JSObject* EvalExecutable::compileInternal(ExecState* exec, ScopeChainNode* scopeChainNode, JITCode::JITType jitType)
{
    SamplingRegion samplingRegion(samplingDescription(jitType));
    
#if !ENABLE(JIT)
    UNUSED_PARAM(jitType);
#endif
    JSObject* exception = 0;
    JSGlobalData* globalData = &exec->globalData();
    JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
    
    if (!!m_evalCodeBlock) {
        OwnPtr<EvalCodeBlock> newCodeBlock = adoptPtr(new EvalCodeBlock(CodeBlock::CopyParsedBlock, *m_evalCodeBlock));
        newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_evalCodeBlock.release()));
        m_evalCodeBlock = newCodeBlock.release();
    } else {
        if (!lexicalGlobalObject->evalEnabled())
            return throwError(exec, createEvalError(exec, "Eval is disabled"));
        RefPtr<EvalNode> evalNode = parse<EvalNode>(globalData, lexicalGlobalObject, m_source, 0, isStrictMode() ? JSParseStrict : JSParseNormal, EvalNode::isFunctionNode ? JSParseFunctionCode : JSParseProgramCode, lexicalGlobalObject->debugger(), exec, &exception);
        if (!evalNode) {
            ASSERT(exception);
            return exception;
        }
        recordParse(evalNode->features(), evalNode->hasCapturedVariables(), evalNode->lineNo(), evalNode->lastLine());
        
        JSGlobalObject* globalObject = scopeChainNode->globalObject.get();
        
        OwnPtr<CodeBlock> previousCodeBlock = m_evalCodeBlock.release();
        ASSERT((jitType == JITCode::bottomTierJIT()) == !previousCodeBlock);
        m_evalCodeBlock = adoptPtr(new EvalCodeBlock(this, globalObject, source().provider(), scopeChainNode->localDepth(), previousCodeBlock.release()));
        OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(evalNode.get(), scopeChainNode, m_evalCodeBlock->symbolTable(), m_evalCodeBlock.get(), !!m_evalCodeBlock->alternative() ? OptimizingCompilation : FirstCompilation)));
        if ((exception = generator->generate())) {
            m_evalCodeBlock = static_pointer_cast<EvalCodeBlock>(m_evalCodeBlock->releaseAlternative());
            evalNode->destroyData();
            return exception;
        }
        
        evalNode->destroyData();
        m_evalCodeBlock->copyPostParseDataFromAlternative();
    }

#if ENABLE(JIT)
    if (!prepareForExecution(exec, m_evalCodeBlock, m_jitCodeForCall, jitType))
        return 0;
#endif

#if ENABLE(JIT)
#if ENABLE(CLASSIC_INTERPRETER)
    if (!m_jitCodeForCall)
        Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_evalCodeBlock));
    else
#endif
    Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_evalCodeBlock) + m_jitCodeForCall.size());
#else
    Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_evalCodeBlock));
#endif

    return 0;
}
예제 #3
0
JSObject* EvalExecutable::compileInternal(ExecState* exec, JSScope* scope, JITCode::JITType jitType, unsigned bytecodeIndex)
{
    SamplingRegion samplingRegion(samplingDescription(jitType));
    
#if !ENABLE(JIT)
    UNUSED_PARAM(jitType);
    UNUSED_PARAM(bytecodeIndex);
#endif
    JSGlobalData* globalData = &exec->globalData();
    JSGlobalObject* lexicalGlobalObject = exec->lexicalGlobalObject();
    
    if (!!m_evalCodeBlock) {
        OwnPtr<EvalCodeBlock> newCodeBlock = adoptPtr(new EvalCodeBlock(CodeBlock::CopyParsedBlock, *m_evalCodeBlock));
        newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_evalCodeBlock.release()));
        m_evalCodeBlock = newCodeBlock.release();
    } else {
        UNUSED_PARAM(scope);
        UNUSED_PARAM(globalData);
        UNUSED_PARAM(lexicalGlobalObject);
        if (!lexicalGlobalObject->evalEnabled())
            return throwError(exec, createEvalError(exec, lexicalGlobalObject->evalDisabledErrorMessage()));

        JSObject* exception = 0;
        UnlinkedEvalCodeBlock* unlinkedEvalCode = lexicalGlobalObject->createEvalCodeBlock(exec, this, &exception);
        if (!unlinkedEvalCode)
            return exception;

        OwnPtr<CodeBlock> previousCodeBlock = m_evalCodeBlock.release();
        ASSERT((jitType == JITCode::bottomTierJIT()) == !previousCodeBlock);
        m_unlinkedEvalCodeBlock.set(*globalData, this, unlinkedEvalCode);
        m_evalCodeBlock = adoptPtr(new EvalCodeBlock(this, unlinkedEvalCode, lexicalGlobalObject, source().provider(), scope->localDepth(), previousCodeBlock.release()));
        m_evalCodeBlock->copyPostParseDataFromAlternative();
    }

#if ENABLE(JIT)
    if (!prepareForExecution(exec, m_evalCodeBlock, m_jitCodeForCall, jitType, bytecodeIndex))
        return 0;
#endif

#if ENABLE(JIT)
    Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_evalCodeBlock) + m_jitCodeForCall.size());
#else
    Heap::heap(this)->reportExtraMemoryCost(sizeof(*m_evalCodeBlock));
#endif

    return 0;
}
예제 #4
0
JSObject* ProgramExecutable::compileInternal(ExecState* exec, JSScope* scope, JITCode::JITType jitType, CompilationResult* result, unsigned bytecodeIndex)
{
    SamplingRegion samplingRegion(samplingDescription(jitType));
    
    if (result)
        *result = CompilationFailed;
    
    RefPtr<ProgramCodeBlock> newCodeBlock;
    
    if (!!m_programCodeBlock) {
        newCodeBlock = adoptRef(new ProgramCodeBlock(CodeBlock::CopyParsedBlock, *m_programCodeBlock));
        newCodeBlock->setAlternative(static_pointer_cast<CodeBlock>(m_programCodeBlock));
    } else {
        newCodeBlock = adoptRef(new ProgramCodeBlock(this, m_unlinkedProgramCodeBlock.get(), scope, source().provider(), source().startColumn()));
    }

    CompilationResult theResult = prepareForExecution(
        exec, m_programCodeBlock, newCodeBlock.get(), m_jitCodeForCall, jitType, bytecodeIndex);
    if (result)
        *result = theResult;

    return 0;
}