CodeBuffTokenStream.java 文件源码

public List<Token> getRealTokens(int from, int to) {
    List<Token> real = new ArrayList<Token>();
    for (int i=from; i<=to; i++) {
        Token t = tokens.get(i);
        if ( t.getChannel()==Lexer.DEFAULT_TOKEN_CHANNEL ) real.add(t);
    }
    if ( real.size()==0 ) return null;
    return real;
}