notes

Nebula 2 languages

Whitespace

Nebula 2 will support all but the most malformed Whitespace programs.

Syntaxes

• Whitespace
• Arbitrary mappings
• Bit packed
• Whitespace assembly (partial)
• Whitespace Forth
• GrassMudHorse (partial)

Instructions

• Whitespace 0.1 (research needed)
• Whitespace 0.2 and 0.3
• Extensions: shuffle, debug_printstack and debug_printheap, and trace

Transformations

• Constraining arbitrary-precision integers
• Converting between versions: 0.3 -> 0.2 and converting debug extensions

It aims to bring excellent tooling to Whitespace, with planned components including an optimizing compiler, modular intermediate language, interpreter, and language server.

I aim to have a working release by 1 April 2023, the 20th anniversary of the Whitespace 0.2 public release.

Brainfuck

• Syntaxes:
  • Brainfuck
  • Arbitrary mappings
  • Mappings: Ook! and Spoon
• Instructions:
  • Extensions: # and ! (Brainfuck)
  • Extensions: Ook? Ook? (Ook!), DEBUG and EXIT (Spoon)

Deadfish

• Syntaxes: i d s o and arbitrary mappings
• Dialects: deadfish::Inst and deadfish::Ir
• Transformations:
  • Breadth-first search encoding heuristic
  • Square root encoding heuristic (partial)

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