python (65.1k questions)

javascript (44.2k questions)

reactjs (22.7k questions)

java (20.8k questions)

c# (17.4k questions)

html (16.3k questions)

r (13.7k questions)

android (12.9k questions)

Questions - tatsu

Is there a Tatsu or any PEG-format grammar available for the [g]awk language syntax?

As the subject asks, does anyone know of an existing Tatsu grammar (or at least a PEG-format grammar) for the [g]awk language? I did already browse all existing Tatsu examples that I could find, and s...
test-img

pjfarley3

awk

grammar

peg

tatsu

Votes: 0

Answers: 1

Latest Answer

If there's an ANTLR grammar for AWK, you can start with the TatSu g2e converter. If there is a grammar for AWK in any other grammar language, the shortest route is to write a grammar->grammar trans...
test-img

Apalala

I have a problem replacing ebnf rules with regex in a Tatsu grammar

I have developed a syntax checker for the Gerber format, using Tatsu. It works fine, my thanks to the Tatsu developers. However, it is not overly fast, and I am now optimizing the grammar. The Gerber ...
test-img

Karel Tavernier

tatsu

Votes: 0

Answers: 1

Latest Answer

The difference is that an optional expression with [] will advance over whitespace and comments while a pattern expression with // will not. It's in the documentation. A trick for this case is to plac...
test-img

Apalala

Tatsu parser: lookahead syntax does not work in my case

Using Tatsu 5.7.0 Python package. I have a very simple structure to parse. Following is an example of text: AC 2092 Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor inci...
test-img

robob

python

tatsu

Votes: 0

Answers: 1

Latest Answer

The results you obtain are as expected. Here: text = /(?s).+?/ &att ; the pattern/regexp is unaware of the following lookahead.
test-img

Apalala

Posts

Questions

Blogs

Jobs