Method pushFrame

include/runtime/stackmgr.h:104–124

Push a new frame entry to the stack.

  /// Push a new frame entry to the stack.
  void pushFrame(const Instance::ModuleInstance *Module,
                 AST::InstrView::iterator From, uint32_t LocalNum = 0,
                 uint32_t Arity = 0, bool IsTailCall = false) noexcept {
    if (!IsTailCall) {
      FrameStack.emplace_back(Module, From, LocalNum, Arity,
                              static_cast<uint32_t>(ValueStack.size()));
    } else {
      assuming(!FrameStack.empty());
      assuming(FrameStack.back().VPos >= FrameStack.back().Locals);
      assuming(FrameStack.back().VPos - FrameStack.back().Locals <=
               ValueStack.size() - LocalNum);
      ValueStack.erase(ValueStack.begin() + FrameStack.back().VPos -
                           FrameStack.back().Locals,
                       ValueStack.end() - LocalNum);
      FrameStack.back().Module = Module;
      FrameStack.back().Locals = LocalNum;
      FrameStack.back().Arity = Arity;
      FrameStack.back().VPos = static_cast<uint32_t>(ValueStack.size());
      FrameStack.back().HandlerStack.clear();
    }
  }

  /// Unsafe pop top frame.
  AST::InstrView::iterator popFrame() noexcept {