Token Consume(TokenKind kind)
{
Token old = current;
current = lexer.Next();
if (old.TokenKind != kind)
{
string msg = string.Format("行{0}列{1}发生模版语法错误: " + current.TokenKind.ToString() + ". 预计为: " + kind, current.Line, current.Col);
throw new ParseException(msg , current.Line, current.Col);
}
return old;
}
Token Consume()
{
Token old = current;
current = lexer.Next();
return old;
}