Example #1
0
void
Action::visit(Visitor& visitor) const
{
	switch (m_command)
	{
		case Clear:		visitor.clear(); break;
		case Insert:	visitor.insert(m_level, m_key1); break;
		case Replace:	visitor.replace(m_level, m_key1, m_key2); break;
		case Remove:	visitor.remove(m_level, m_key1, m_key2); break;
		case Finish:	visitor.finish(m_level); break;
	}
}
Example #2
0
int main()
{

    // 1 + 1
    //    vector<string> l;
    //    l.push_back("1");
    //    l.push_back("+");
    //    l.push_back("1");

    // 2 * ( 1 + 1 )
    vector<string> l;
    l.push_back("2");
    l.push_back("*");
    l.push_back("(");
    l.push_back("1");
    l.push_back("+");
    l.push_back("1");
    l.push_back(")");
    l.push_back("+");
    l.push_back("123123");


    LexerStream stream(l);

    Parser parser;
    parser.expr(&stream);

    //    cout << endl;
    //    cout << parser.code.front();

    long usetime = timeTick([&](){
        int count = 100000;
        while(count-- != 0) {
            int r = 2 * (1+1) + 123123;
            (void)r;
        }
    });

    cout << endl;
    cout << "usetime:" << usetime;
    cout << endl;


    usetime = timeTick([&](){
        int count = 100000;
        Calculator calculator;
        while(count-- != 0) {
            calculator.code = parser.code;
            calculator.result();
        }
    });

    cout << endl;
    cout << "usetime:" << usetime;
    cout << endl;

    //---------------------------

    usetime = timeTick([&](){
        int count = 100000;
        Visitor visitor;
        while(count-- != 0) {
            visitor.clear();
            parser.asttree.astNode->accept(&visitor);
        }

    });

    cout << endl;
    cout << "usetime:" << usetime;
    cout << endl;


//    Calculator calculator;
//    calculator.code = parser.code;
//    cout <<  calculator.result();

//    Visitor visitor;
//    parser.asttree.astNode->accept(&visitor);
//    std::cout << std::endl;
//    visitor.print();

}