source: trunk/yao/share/antlr-2.7.7/examples/cpp/unicode/main.cpp @ 1

#include <iostream>
#include <fstream>
#include <exception>
#include <antlr/ANTLRException.hpp>

#include "L.hpp"

using std::cin;
using std::cerr;
using std::endl;
using std::istream;
using std::ifstream;

int main(int argc, char **argv)
{
        ifstream s;

        if( argc == 1 )
        {
                cerr << "Usage: " << argv[0] << "<files>|-" << endl;
                return 1;
        }

        try {
                for( int i = 1; i < argc; i++ )
                {
                        istream *in = 0;
                        if( argv[i][0] == '-' && strlen(argv[i]) == 1 )
                                in = &cin;
                        else
                        {
                                s.open(argv[i]);
                                in = &s;
                        }

                        UnicodeCharBuffer input(*in);
                        L lexer(input);
                        lexer.done = false;

                        while ( ! lexer.done )
                        {
                                antlr::RefToken t = lexer.nextToken();
                                std::cout << "Token: " << t->getType() << " '" << t->getText() << "'" << std::endl;
                        }
                        s.close();
                }
        }
        catch (antlr::ANTLRException& e) {
                cerr << "parser exception: " << e.toString() << endl;
                return 2;
        }
        catch (std::exception& e) {
                cerr << "exception: " << e.what() << endl;
                return 2;
        }
        return 0;
}