Yes， it's complex to design a new language. So don't let the tool stand in the way. There is a saying: Grinding a chopper will not hold up the work of cutting firewood.
在 2014年1月11日星期六UTC+8上午10时17分33秒，Chris Angelico写道： > On Sat, Jan 11, 2014 at 11:59 AM, Simeon Chaos wrote: > > > All along, the design of programming languages is a complex task. Because > > we need to understand the esoteric compiler theory and technology, and one > > of the most critical and very difficult part is to define the rules of the > > new language and to parse with them.To solve this problem, there have been > > many theories , techniques and tools . These tools can be roughly divided > > into two categories: one is parser generator, another is to write the > > parser by hand with or without a parser library. > > > > > > > No tool will change the fact that the *design* of a language is a > > complex task. Long before you get to implementing anything, you have > > to decide what your language will look like, what its special features > > are, how it distinguishes one thing from another, etc etc etc. That > > work won't change based on the tool you use - or rather, if it DOES > > change, it's because the tool is too restrictive. First write some > > code in your new language, then and only then work out how to > > implement an interpreter/compiler. The first part of the job is pretty > > complex (and extremely important), and tools don't come into play till > > the second. > > > > ChrisA -- https://mail.python.org/mailman/listinfo/python-list
