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Questions - bnf

How many BNF-like grammar specifications does Python have?

There are at least 3 grammar-like specifications within the Python 3.9.1 reference documents 'library-3.9.1.pdf' and 'reference-3.9.1.pdf' (aka https://docs.python.org/3.9/library/ast.html and https:/...
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berniethejet

python

grammar

abstract-syntax-tree

bnf

code-documentation

Votes: 0

Answers: 1

Latest Answer

The grammar used to build Python isn't on your list at all. You can find it in the source bundle as Grammar/python.gram. Note that it has five different start symbols for different compilation context...
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rici

Ruby EBNF COMPSTMT iteration misunderstanding

Here is a basic Ruby program: puts 1 puts 1 puts 1 puts 1 puts 1 puts 1 puts 1 Here are the top rules of the BNF syntax for Ruby (shortened): source: https://github.com/goruby/goruby/blob/master/goru...
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Gopridkalnik

ruby

iteration

grammar

bnf

Votes: 0

Answers: 1

Latest Answer

Do note that the two BNF you shared differ in some parts. I am going to use the definition from the first source. Also note this is not an official source, this is from the Go language implementation ...
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SztupY

Is there an official (complete) BNF or EBNF for the CLIPS language

I am looking for an official BNF/EBNF for The CLIPS Programming Language, so that I can write a parser/interpreter that groks (understands) CLIPS rules. I have searched online, including the official ...
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Homunculus Reticulli

clips

bnf

ebnf

Votes: 0

Answers: 1

Latest Answer

The only BNF available is from Appendix G, CLIPS BNF, of the Basic Programming Guide. That covers all of the constructs and function calls that are not special forms. For special forms (functions that...
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Gary Riley

How to describe this event log in formal BNF?

I have a very simple event log format, just I'm having difficulties describing it in BNF (for gocc ). Here is my simple event log format: timestamp nested-event-A Running timestamp Start of nested-eve...
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xpt

grammar

bnf

ebnf

gocc

Votes: 0

Answers: 2

Latest Answer

Regarding the productions of EventLog, your choice must depend on the knowledge whether if the starting event is always a nested one or can be unested. If your log consist with many logs of any kind o...
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rikyeah

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