Add Lox Language

[thecoolguy62aws]

Description

Add the Lox programming language. The Lox programming language is a learning language made for the book Crafting Interpreters demonstrating how to create an object-oriented, interpreted programming language in Java, then C.

Checklist:

• I am adding a new extension to a language.

  • The new extension is used in hundreds of repositories on GitHub.com
    • Search results for each extension:
      • https://github.com/search?type=code&q=NOT+is%3Afork+path%3A*.FOOBAR+KEYWORDS
  • I have included a real-world usage sample for all extensions added in this PR:
    • Sample source(s):
      • [URL to each sample source, if applicable]
    • Sample license(s):
  • I have included a change to the heuristics to distinguish my language from others using the same extension.

• I am adding a new language.

  • The extension of the new language is used in hundreds of repositories on GitHub.com.
    • Search results for each extension:
      • https://github.com/search?type=code&q=NOT+is%3Afork+path%3A*.lox
  • I have included a real-world usage sample for all extensions added in this PR:
    • Sample source(s):
      • fibonacci_numbers.lox: I made this.
      • inherited_method.lox: https://github.com/munificent/craftinginterpreters
    • Sample license(s):
      • inherited_method.lox is licensed MIT License owned by Robert Nystrom
      • fibonacci_numbers.lox lacks a high degree of creative expression and many people have created it; therefore placing it in the public domain.
  • I have included a syntax highlighting grammar: https://github.com/danman113/lox-language
  • I have added a color
    • Hex value: #f1ead7
    • Rationale: This color was chosen because it is the color used in the background of the cover on the book Crafting Interpreters. That book is where this language originated.
  • I have updated the heuristics to distinguish my language from others using the same extension.

• I am fixing a misclassified language

  • I have included a new sample for the misclassified language:
    • Sample source(s):
      • [URL to each sample source, if applicable]
    • Sample license(s):
  • I have included a change to the heuristics to distinguish my language from others using the same extension.

• I am changing the source of a syntax highlighting grammar

  • Old: [URL to grammar repo]
  • New: [URL to grammar repo]

• I am updating a grammar submodule

• I am adding new or changing current functionality

  • I have added or updated the tests for the new or changed functionality.

• I am changing the color associated with a language

  • I have obtained agreement from the wider language community on this color change.
    • [URL to public discussion]
    • [Optional: URL to official branding guidelines for the language]