C++ Activation::hasSavedFrameChain方法代码示例

本文整理汇总了C++中Activation::hasSavedFrameChain方法的典型用法代码示例。如果您正苦于以下问题：C++ Activation::hasSavedFrameChain方法的具体用法？C++ Activation::hasSavedFrameChain怎么用？C++ Activation::hasSavedFrameChain使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Activation的用法示例。

在下文中一共展示了Activation::hasSavedFrameChain方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: while

void
ScriptFrameIter::settleOnActivation()
{
    while (true) {
        if (data_.activations_.done()) {
            data_.state_ = DONE;
            return;
        }

        Activation *activation = data_.activations_.activation();

        // If JS_SaveFrameChain was called, stop iterating here (unless
        // GO_THROUGH_SAVED is set).
        if (data_.savedOption_ == STOP_AT_SAVED && activation->hasSavedFrameChain()) {
            data_.state_ = DONE;
            return;
        }

        // Skip activations from another context if needed.
        JS_ASSERT(activation->cx());
        JS_ASSERT(data_.cx_);
        if (data_.contextOption_ == CURRENT_CONTEXT && activation->cx() != data_.cx_) {
            ++data_.activations_;
            continue;
        }

        // If the caller supplied principals, only show activations which are subsumed (of the same
        // origin or of an origin accessible) by these principals.
        if (data_.principals_) {
            if (JSSubsumesOp subsumes = data_.cx_->runtime()->securityCallbacks->subsumes) {
                JS::AutoAssertNoGC nogc;
                if (!subsumes(data_.principals_, activation->compartment()->principals)) {
                    ++data_.activations_;
                    continue;
                }
            }
        }

#ifdef JS_ION
        if (activation->isJit()) {
            data_.ionFrames_ = jit::IonFrameIterator(data_.activations_);

            // Stop at the first scripted frame.
            while (!data_.ionFrames_.isScripted() && !data_.ionFrames_.done())
                ++data_.ionFrames_;

            // It's possible to have an JitActivation with no scripted frames,
            // for instance if we hit an over-recursion during bailout.
            if (data_.ionFrames_.done()) {
                ++data_.activations_;
                continue;
            }

            nextJitFrame();
            data_.state_ = JIT;
            return;
        }
#endif

        JS_ASSERT(activation->isInterpreter());

        InterpreterActivation *interpAct = activation->asInterpreter();
        data_.interpFrames_ = InterpreterFrameIterator(interpAct);

        // If we OSR'ed into JIT code, skip the interpreter frame so that
        // the same frame is not reported twice.
        if (data_.interpFrames_.frame()->runningInJit()) {
            ++data_.interpFrames_;
            if (data_.interpFrames_.done()) {
                ++data_.activations_;
                continue;
            }
        }

        JS_ASSERT(!data_.interpFrames_.frame()->runningInJit());
        data_.pc_ = data_.interpFrames_.pc();
        data_.state_ = SCRIPTED;
        return;
    }
}

开发者ID:，项目名称:，代码行数:80，代码来源:

示例2: while

void
ScriptFrameIter::settleOnActivation()
{
    while (true) {
        if (data_.activations_.done()) {
            data_.state_ = DONE;
            return;
        }

        Activation *activation = data_.activations_.activation();

        // If JS_SaveFrameChain was called, stop iterating here (unless
        // GO_THROUGH_SAVED is set).
        if (data_.savedOption_ == STOP_AT_SAVED && activation->hasSavedFrameChain()) {
            data_.state_ = DONE;
            return;
        }

        // Skip activations from another context if needed.
        JS_ASSERT(activation->cx());
        JS_ASSERT(data_.cx_);
        if (data_.contextOption_ == CURRENT_CONTEXT && activation->cx() != data_.cx_) {
            ++data_.activations_;
            continue;
        }

#ifdef JS_ION
        if (activation->isJit()) {
            data_.ionFrames_ = jit::IonFrameIterator(data_.activations_);

            // Stop at the first scripted frame.
            while (!data_.ionFrames_.isScripted() && !data_.ionFrames_.done())
                ++data_.ionFrames_;

            // It's possible to have an JitActivation with no scripted frames,
            // for instance if we hit an over-recursion during bailout.
            if (data_.ionFrames_.done()) {
                ++data_.activations_;
                continue;
            }

            nextJitFrame();
            data_.state_ = JIT;
            return;
        }
#endif

        JS_ASSERT(activation->isInterpreter());

        InterpreterActivation *interpAct = activation->asInterpreter();
        data_.interpFrames_ = InterpreterFrameIterator(interpAct);

        // If we OSR'ed into JIT code, skip the interpreter frame so that
        // the same frame is not reported twice.
        if (data_.interpFrames_.frame()->runningInJit()) {
            ++data_.interpFrames_;
            if (data_.interpFrames_.done()) {
                ++data_.activations_;
                continue;
            }
        }

        JS_ASSERT(!data_.interpFrames_.frame()->runningInJit());
        data_.pc_ = data_.interpFrames_.pc();
        data_.state_ = SCRIPTED;
        return;
    }
}

开发者ID:chenghuk，项目名称:mozilla-central，代码行数:68，代码来源:Stack.cpp

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