There is not much point in writing a parser without using a parser generator. Now, if you want to know how to make a parser generator, I recommend starting her

There is not much point in writing a parser without using a parser generator. Now, if you want to know how to make a parser generator, I recommend starting here: https://en.wikipedia.org/wiki/Shift-reduce_parsing https://en.wikipedia.org/wiki/Shift-reduce_parsing https://en.wikipedia.org/wiki/LALR_parser https://en.wikipedia.org/wiki/LALR_parser If you want lots of detail, there is always this: http://www.amazon.com/Compilers-Principles-Techniques-Tools-Edition/dp/0321486811/ref=sr_1_3?ie=UTF8&qid=1385433702&sr=8-3&keywords=dragon+book http://www.amazon.com/Compilers-Principles-Techniques-Tools-...