61 lines
1.2 KiB
C
61 lines
1.2 KiB
C
|
//
|
|||
|
|
// Created by Administrator on 2021/4/30.
|
|||
|
|
//
|
|||
|
|
|
|||
|
|
#ifndef SYNTAXPARSER_LR1GENERATOR_H
|
|||
|
|
#define SYNTAXPARSER_LR1GENERATOR_H
|
|||
|
|
|
|||
|
|
#include <codecvt>
|
|||
|
|
|
|||
|
|
#include <GrammarResourcePool.h>
|
|||
|
|
#include <ItemCollectionManager.h>
|
|||
|
|
#include <AnalyseTableGenerator.h>
|
|||
|
|
|
|||
|
|
|
|||
|
|
class LR1Generator{
|
|||
|
|
|
|||
|
|
// <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
std::wifstream input;
|
|||
|
|
|
|||
|
|
GrammarResourcePool *pool;
|
|||
|
|
|
|||
|
|
ItemCollectionManager *icm;
|
|||
|
|
|
|||
|
|
AnalyseTableGenerator *atg;
|
|||
|
|
|
|||
|
|
public:
|
|||
|
|
|
|||
|
|
LR1Generator(): input("syntaxInput.txt", std::ios::binary),
|
|||
|
|
pool(new GrammarResourcePool()),
|
|||
|
|
icm(new ItemCollectionManager(pool)),
|
|||
|
|
atg(new AnalyseTableGenerator(pool, icm)){
|
|||
|
|
|
|||
|
|
auto* codeCvtToUTF8= new std::codecvt_utf8<wchar_t>;
|
|||
|
|
|
|||
|
|
input.imbue(std::locale(input.getloc(), codeCvtToUTF8));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
~LR1Generator() {
|
|||
|
|
input.close();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void run() {
|
|||
|
|
pool->FOLLOW();
|
|||
|
|
icm->buildItems();
|
|||
|
|
atg->generate();
|
|||
|
|
atg->print();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// <20>õ<EFBFBD><C3B5><EFBFBD><EFBFBD>еIJ<D0B5><C4B2><EFBFBD>ʽ
|
|||
|
|
void getProductions();
|
|||
|
|
|
|||
|
|
void output(const GrammarResourcePool *&m_pool, const AnalyseTableGenerator *&m_atg) {
|
|||
|
|
m_pool = this->pool;
|
|||
|
|
m_atg = this->atg;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
|
|||
|
|
#endif //SYNTAXPARSER_LR1GENERATOR_H
|