basic-lang | BASIC : Microcomputer Edition | Interpreter library

by AE9RB Rust Version: 0.7.1 License: No License

X-Ray Key Features Code Snippets Community Discussions(1)Vulnerabilities Install Support

kandi X-RAY | basic-lang Summary

basic-lang is a Rust library typically used in Utilities, Interpreter, Arduino applications. basic-lang has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

The BASIC Programming Language: Microcomputer Edition.

Support

Quality

Security

License

Reuse

Support

basic-lang has a low active ecosystem.

It has 28 star(s) with 2 fork(s). There are 3 watchers for this library.

It had no major release in the last 12 months.

There are 1 open issues and 1 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of basic-lang is 0.7.1

Quality

basic-lang has no bugs reported.

Security

basic-lang has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

basic-lang does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

basic-lang releases are available to install and integrate.

Installation instructions are not available. Examples and code snippets are available.

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basic-lang Key Features

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basic-lang Examples and Code Snippets

No Code Snippets are available at this moment for basic-lang.

Community Discussions

Trending Discussions on basic-lang

Disallowing unnecessary outermost brackets in a BNFC-grammar

QUESTION

Disallowing unnecessary outermost brackets in a BNFC-grammar

Asked 2020-Apr-16 at 16:31

This is a continuation to this question I asked earlier about a BNFC-grammar for propositional logic. I got it working with parentheses, as per the definition, but I would now like to extend the grammar to work without parentheses, with a catch however: no unnecessary outer parentheses allowed.

For example, the atomic sentence a should be allowed, but (a) should not be recognized. The sentence (a => b) & c should also be allowed, but ((a => b) & c) not, and so forth. The last example highlights the necessity for paretheses. The precedence levels are

equivalence <=> and implication =>,
conjuction & and disjunction |
negation - and
atoms.

The higher the level, the earlier it will be parsed.

I got the grammar working with the unnecessary parentheses, by setting precedence levels to the different operators via recursion:

...

ANSWER

Answered 2020-Apr-16 at 16:31

You can do this by simply banning the parenthesised form from the toplevel. This requires writing the precedence hierarchy in a different fashion, in order to propagate the restriction through the hierarchy. In the following, the r suffix indicates that the production is "restricted" to not be a parenthesised form.

I also fixed the reduce/reduce conflicts by eliminating one of the NOT productions. See below.

(I hope I got the BNFC right. I wrote this in bison and tried to convert the syntax afterwards.)

Source https://stackoverflow.com/questions/61224671

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install basic-lang

You can download it from GitHub.
Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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