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C++ Exp::IsVar方法代码示例

本文整理汇总了C++中Exp::IsVar方法的典型用法代码示例。如果您正苦于以下问题:C++ Exp::IsVar方法的具体用法?C++ Exp::IsVar怎么用?C++ Exp::IsVar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Exp的用法示例。


在下文中一共展示了Exp::IsVar方法的1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: InferSummaries


//.........这里部分代码省略.........
          bit->DoVisit(&visitor);

          bool uses_field = false;
          for (size_t ind = 0; ind < lval_list.Size(); ind++) {
            if (ExpFld *lval = lval_list[ind]->IfFld()) {
              if (lval->GetField() == nleft->GetField())
                uses_field = true;
            }
          }

          if (uses_field) {
            // this is a type invariant which uses the field being written
            // as an lvalue. we need to assert this write preserves
            // the invariant.
            BlockId *id = annot_cfg->GetId();
            Variable *this_var = Variable::Make(id, VK_This, NULL, 0, NULL);
            Exp *this_exp = Exp::MakeVar(this_var);
            Exp *this_drf = Exp::MakeDrf(this_exp);

            Bit *new_bit = BitReplaceExp(bit, this_drf, nleft->GetTarget());

            AssertInfo info;
            info.kind = ASK_Invariant;
            info.cls = ASC_Check;
            info.point = point;
            info.bit = new_bit;
            asserts.PushBack(info);
          }
        }

        CompAnnotCache.Release(csu_name);
      }

      if (left && left->IsVar()) {
        Variable *var = left->AsVar()->GetVariable();
        if (var->Kind() == VK_Glob) {
          Vector<BlockCFG*> *glob_annot_list =
            InitAnnotCache.Lookup(var->GetName());

          for (size_t aind = 0; glob_annot_list &&
                                aind < glob_annot_list->Size(); aind++) {
            BlockCFG *annot_cfg = glob_annot_list->At(aind);

            Bit *bit = BlockMemory::GetAnnotationBit(annot_cfg);
            if (!bit) continue;

            AssertInfo info;
            info.kind = ASK_Invariant;
            info.cls = ASC_Check;
            info.point = point;
            info.bit = bit;
            asserts.PushBack(info);
          }

          InitAnnotCache.Release(var->GetName());
        }
      }

      if (PEdgeCall *nedge = edge->IfCall()) {
        // add assertions for any callee preconditions.

        // pull preconditions from both direct and indirect calls.
        Vector<Variable*> callee_names;

        if (Variable *callee = nedge->GetDirectFunction()) {
          callee_names.PushBack(callee);
开发者ID:brifordwylie,项目名称:turnersr.github.io,代码行数:67,代码来源:infer.cpp


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