使用BISON等解析器生成器，同时仍然优雅地处理错误的输入

I need a parser for a language that isn't all that complicated. The only catch is, I never want the parser to raise an error when it receives malformed input. Rather, I want it to just continue, making as much sense of the input as it can, similar to what the HTML parsers in a web browser do.I need a parser for a language that isn't all t