I am pretty new to coding and am working on a lexer project for school. I have made it so it can register everything as tokens and have been expanding its abili
Normally, when you want to reuse a regular expression, you can declare it in flex in declaration section. They will get enclosed by parenthesis by default. Eg:
I was testing something with lexer, and wrote this regex rule:[0-9([a-b])[c-f]] ; According this docs, this is equivalent to:[0-9a-f()] ; For example, the foll
I want to match these two tokens: 1. NUM: A series of characters in [0-9_] with an optional . in between. 2. ID: A series of characters in [a-zA-Z0-9_] with at-
I'm trying to create a parser for a basic interpreted language. When I run my program I get the following error: ValueError: Ran into a $end where it wasn't exp
How do I install javacc in Windows 10? I visited https://javacc.github.io/javacc/, but there's no clear instruction to set it up on Windows.
I'm working with flex to generate custom language. I'm wondering if there is a possibility to add in some way a setting that will change a part of generated .le