C++ (Cpp) AbstractFramePtr::isRematerializedFrame示例

示例#1

文件： Stack.cpp 项目： aeddi/gecko-dev

FrameIter &
FrameIter::operator++()
{
    switch (data_.state_) {
      case DONE:
        MOZ_ASSUME_UNREACHABLE("Unexpected state");
      case INTERP:
        if (interpFrame()->isDebuggerFrame() && interpFrame()->evalInFramePrev()) {
            AbstractFramePtr eifPrev = interpFrame()->evalInFramePrev();
            MOZ_ASSERT(!eifPrev.isRematerializedFrame());

            // Eval-in-frame can cross contexts and works across saved frame
            // chains.
            ContextOption prevContextOption = data_.contextOption_;
            SavedOption prevSavedOption = data_.savedOption_;
            data_.contextOption_ = ALL_CONTEXTS;
            data_.savedOption_ = GO_THROUGH_SAVED;

            popInterpreterFrame();

            while (isIon() || abstractFramePtr() != eifPrev) {
                if (data_.state_ == JIT) {
#ifdef JS_ION
                    popJitFrame();
#else
                    MOZ_ASSUME_UNREACHABLE("Invalid state");
#endif
                } else {
                    popInterpreterFrame();
                }
            }

            data_.contextOption_ = prevContextOption;
            data_.savedOption_ = prevSavedOption;
            data_.cx_ = data_.activations_->cx();
            break;
        }
        popInterpreterFrame();
        break;
#ifdef JS_ION
      case JIT:
        popJitFrame();
        break;
      case ASMJS:
        popAsmJSFrame();
        break;
#else
    default:
        MOZ_ASSUME_UNREACHABLE("Unexpected state");
#endif
    }
    return *this;
}