So You Want to Write Your Own Language (2014)

Re:So You Want to Write Your Own Language (2014) by pjmlp on Friday May 19, 2017 @02:28PM (#14378209)

I always liked C++, but having had the luck of experimenting many alternative concepts during the university (FP, LP, GC system programming languages) I never bought into the idea of using the C/lex/yacc trio.

Always preferred more productive ways to prototype programming languages.

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Re:So You Want to Write Your Own Language (2014) by TeMPOraL on Friday May 19, 2017 @07:13PM (#14380030)

My first introduction to creating languages was encountering lex/yacc. I tried that and quickly run away in disgust.

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Re:So You Want to Write Your Own Language (2014) by loup-vaillant on Friday May 19, 2017 @08:50PM (#14380399)

Many of lex/yacc flaws (flaky syntax, global mutable state…) have nothing to do with their fundamentals. Also, LALR is bad, you want a generalised parser that can work on any context free grammar (Bison has such a mode).

We need no-nonsense lexer and parser generators, that are easy to use, easy to deploy, not too hard to implement, and generate fast parsers. My own studies¹ suggest it can be done. Unfortunately, I'm busy earning a salary right now.

[1]: http://loup-vaillant.fr/tutorials/earley-parsing/

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Re:So You Want to Write Your Own Language (2014) by pjmlp on Saturday May 20, 2017 @02:40AM (#14381305)

You just gave something to go over during the weekend. :)

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