Ungrammar -- a DSL for specifying concrete syntax tree grammar.

Producing a parser is an explicit non-goal -- it's ok for this grammar to be ambiguous, non LL, non LR, etc.

See this introductory post for details.

ungrammar

A DSL for specifying concrete syntax trees.

See the blog post for an introduction.

See ./rust.ungram for an example.

Editor support

• Vim
  • vim-ungrammar
  • ungrammar.vim
• VSCode
  • ungrammar-tools