Main.java 文件源码

public static void main(String[] args) throws IOException {
    if (args.length != 1) {
        throw new RuntimeException("Please supply file as argument");
    }
    ANTLRInputStream ais = new ANTLRFileStream(args[0]);
    QPLLexer lex = new QPLLexer(ais);
    TokenStream toks = new CommonTokenStream(lex);
    QPLParser parse = new QPLParser(toks);
    ParseTree tree = parse.prog();
    System.out.println(new ImpVisitor(Paths.get(args[0]).getParent().normalize().toString()).visit(tree));
}