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Standard ML language support for the working programmer

Home Page: https://atom.io/packages/better-language-sml

License: Other

better-language-sml's Introduction

"Better" Standard ML language support for Atom

This package provides the following for Standard ML (SML):

Syntax highlighting.
Code snippets.

This package was forked from language-sml to fast-track my own readability improvements for SML programmers using Atom.

Syntax Highlighting Features

In addition to basic keyword highlighting, we also provide the following readability improvements:

When a structure member is accessed, the structure's name is highlighted.
Many entities available in the top-level namespace, such as map are highlighted.
Some important punctuation such as |, =>, and ; are also highlighted.
Some operators, like div and :: are highlighted.

Screenshot (using the "Fega High Contrast" theme to show all color classes):

Contributing

Contributions are greatly appreciated. Feel free to open pull requests or make suggestions by opening an issue.

Thanks

I'm grateful for patches from:

k4rtik

better-language-sml's People

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better-language-sml's Issues

Move to tree-sitter

See here for a guide on writing a tree-sitter grammar instead of using the current Legacy TextMate Grammar:

https://flight-manual.atom.io/hacking-atom/sections/creating-a-grammar/

multi-parameter type decl highlight in sigs

We don't handle something like this inside of a sig ... end:

signature S = sig
   type ('key, 'a) dict
end

We need more sophisticated code to generally handle the syntax of type declarations in SML in order
to intelligently highlight the above.

Structure highlight whitespace

Option . map is valid in SML, yet Option is no longer highlighted in that expression.

Successor ML option

title says it all. Find out how to enable patterns for succML.

Function def highlight tick

fun fixup' x = x will not properly highlight the '. It's possible that \w doesn't include _ or 0-9 so you'll want to update that capture group.

`rec` keyword

rec is not recognized as a keyword here:

val rec fib =
   fn 0 => 0
    | 1 => 1
    | n => fib (n - 1) + fib (n - 2)

Would be nice to add it as a pattern val rec so it's not highlighted everywhere rec appears.

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