37 static std::map< std::string, std::string > m_variables;  variable
72     assert(m_variables.empty());  in init_variables()
80                 m_variables[varname] = v->default_value;  in init_variables()
82                 m_variables[varname] = envval;  in init_variables()
84             m_variables[varname] = v->default_value;  in init_variables()
88     assert(!m_variables.empty());  in init_variables()
94     if (m_variables.empty())  in get()
98     return m_variables[varname];  in get()
104     if (m_variables.empty())  in get_all()
107     return m_variables;  in get_all()
113     if (m_variables.empty())  in has()
116     return m_variables.find(varname) != m_variables.end();  in has()
132     m_variables.clear();  in __reinit()