Method replaceVarDecl

lib/clangimport.cpp:270–276

        }

        void replaceVarDecl(const Variable *from, Variable *to) {
            for (auto &it: mDeclMap) {
                Decl &decl = it.second;
                if (decl.var == from)
                    decl.var = to;
            }
        }

        void ref(const std::string &addr, Token *tok) {
            auto it = mDeclMap.find(addr);