コード例 #1
0
ファイル: Executable.cpp プロジェクト: vizcount/work
PassOwnPtr<FunctionCodeBlock> FunctionExecutable::produceCodeBlockFor(ExecState* exec, ScopeChainNode* scopeChainNode, CompilationKind compilationKind, CodeSpecializationKind specializationKind, JSObject*& exception)
{
    exception = 0;
    JSGlobalData* globalData = scopeChainNode->globalData;
    RefPtr<FunctionBodyNode> body = globalData->parser->parse<FunctionBodyNode>(exec->lexicalGlobalObject(), 0, 0, m_source, m_parameters.get(), isStrictMode() ? JSParseStrict : JSParseNormal, &exception);
    if (!body) {
        ASSERT(exception);
        return nullptr;
    }
    if (m_forceUsesArguments)
        body->setUsesArguments();
    body->finishParsing(m_parameters, m_name);
    recordParse(body->features(), body->hasCapturedVariables(), body->lineNo(), body->lastLine());

    JSGlobalObject* globalObject = scopeChainNode->globalObject.get();

    OwnPtr<FunctionCodeBlock> result;
    ASSERT((compilationKind == FirstCompilation) == !codeBlockFor(specializationKind));
    result = adoptPtr(new FunctionCodeBlock(this, FunctionCode, globalObject, source().provider(), source().startOffset(), specializationKind == CodeForConstruct));
    OwnPtr<BytecodeGenerator> generator(adoptPtr(new BytecodeGenerator(body.get(), scopeChainNode, result->symbolTable(), result.get(), compilationKind)));
    exception = generator->generate();
    body->destroyData();
    if (exception)
        return nullptr;

    result->copyDataFrom(codeBlockFor(specializationKind).get());
    return result.release();
}
コード例 #2
0
PassRefPtr<FunctionCodeBlock> FunctionExecutable::produceCodeBlockFor(JSScope* scope, CodeSpecializationKind specializationKind, JSObject*& exception)
{
    RefPtr<FunctionCodeBlock> alternative = codeBlockFor(specializationKind);
    
    if (!!alternative) {
        RefPtr<FunctionCodeBlock> result = adoptRef(new FunctionCodeBlock(CodeBlock::CopyParsedBlock, *codeBlockFor(specializationKind)));
        result->setAlternative(alternative);
        return result.release();
    }

    VM* vm = scope->vm();
    JSGlobalObject* globalObject = scope->globalObject();
    ParserError error;
    DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
    ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
    UnlinkedFunctionCodeBlock* unlinkedCodeBlock = m_unlinkedExecutable->codeBlockFor(*vm, m_source, specializationKind, debuggerMode, profilerMode, error);
    recordParse(m_unlinkedExecutable->features(), m_unlinkedExecutable->hasCapturedVariables(), lineNo(), lastLine(), startColumn());

    if (!unlinkedCodeBlock) {
        exception = error.toErrorObject(globalObject, m_source);
        return 0;
    }

    SourceProvider* provider = source().provider();
    unsigned sourceOffset = source().startOffset();
    unsigned startColumn = source().startColumn();

    return adoptRef(new FunctionCodeBlock(this, unlinkedCodeBlock, scope, provider, sourceOffset, startColumn));
}
コード例 #3
0
PassOwnPtr<FunctionCodeBlock> FunctionExecutable::produceCodeBlockFor(JSScope* scope, CodeSpecializationKind specializationKind, JSObject*& exception)
{
    if (!!codeBlockFor(specializationKind))
        return adoptPtr(new FunctionCodeBlock(CodeBlock::CopyParsedBlock, *codeBlockFor(specializationKind)));

    JSGlobalData* globalData = scope->globalData();
    JSGlobalObject* globalObject = scope->globalObject();
    ParserError error;
    DebuggerMode debuggerMode = globalObject->hasDebugger() ? DebuggerOn : DebuggerOff;
    ProfilerMode profilerMode = globalObject->hasProfiler() ? ProfilerOn : ProfilerOff;
    UnlinkedFunctionCodeBlock* unlinkedCodeBlock = m_unlinkedExecutable->codeBlockFor(*globalData, m_source, specializationKind, debuggerMode, profilerMode, error);
    recordParse(m_unlinkedExecutable->features(), m_unlinkedExecutable->hasCapturedVariables(), lineNo(), lastLine());

    if (!unlinkedCodeBlock) {
        exception = error.toErrorObject(globalObject, m_source);
        return nullptr;
    }

    OwnPtr<FunctionCodeBlock> result = adoptPtr(new FunctionCodeBlock(this, unlinkedCodeBlock, globalObject, source().provider(), source().startOffset()));
    result->copyPostParseDataFrom(codeBlockFor(specializationKind).get());
    return result.release();
}
コード例 #4
0
ファイル: Executable.cpp プロジェクト: MYSHLIFE/webkit
SymbolTable* FunctionExecutable::symbolTable(CodeSpecializationKind kind)
{
    return codeBlockFor(kind)->symbolTable();
}