ll1.cpp

来自「LL1通用语法分析器」· C++ 代码 · 共 31 行

#include <iostream>
#include <fstream>
#include "Syntax.h"
#include "AnalyzeTable.h"
#include "Analyser.h"

using namespace std;

int main(int argc, char **argv)
{
    if(argc <= 1)
        return 1;
    
    ifstream grammar(argv[1]);
    if(!grammar){
        cerr << "Cannot open grammar file : " << argv[1] << endl;
        exit(1);
    }
    
    Syntax syntax;
    syntax.parse(grammar);

    AnalyzeTable table;
    syntax.genLL1AnalyzeTable(table);
    
    Lexer::getInstance()->setFile(argv[2]);
    
    Analyser Analyser(table, &syntax);
    Analyser.analyze();
}