#include "libparse.h"

using namespace lib_parse;
using namespace ast_gen;

CheckException::CheckException(const QString& msg) : msg_store(msg) {}

QString CheckException::message() const { return msg_store; }

Analyzer::Analyzer(const QList<std::shared_ptr<const CheckProvider> >& providers) : check_providers(providers) {}

#include <QTime>
#include <QDebug>
std::shared_ptr<const ElementAccess> Analyzer::validCheckWith(std::shared_ptr<const ElementAccess> root) const {
    for (auto& v : check_providers){
        QTime time_stamp = QTime::currentTime();
        v->validCheck(root);
        auto current_stamp = QTime::currentTime();
        qDebug().noquote() << QString("%校验器：%2 消耗时间：%1 ms。").arg(time_stamp.msecsTo(current_stamp)).arg(v->name());
    }
    return root;
}

bool VisitEntry::visitWith(std::shared_ptr<const ElementAccess> syntax_elm, std::shared_ptr<TreeVisitor> visitor) {
    switch (visitor->mode()) {
    case VisitMode::FirstParent: {
        if (visitor->visit(syntax_elm)) {
            for (auto& e : syntax_elm->children()) {
                visitWith(e, visitor);
            }
        }
        return true;
    }break;
    case VisitMode::LastParent:{
        bool exc_continue = true;
        for (auto& e : syntax_elm->children()) {
            if(!visitWith(e, visitor)){
                exc_continue = false;
                break;
            }
        }

        if(exc_continue)
            visitor->visit(syntax_elm);

        return exc_continue;
    }break;
    default:
        break;
    }
    return false;
}