tree-sitter-twee

A tree-sitter grammar for the Twee 3 interactive-fiction format, with SugarCube syntax support.

What it parses

• Passages with headings, tags, and inline/standalone JSON metadata
• Link syntax: [[label->dest]], [[label<-dest]], [[label|dest]], [img[src]]
• SugarCube macros: <<name args>>, <</name>>, shortcut <<= expr>> / <<- expr>>
• Sigil-prefixed variables: $story, _temp, ?template
• Comments: /* */, /% %/, <!-- -->
• Inline HTML tags
• Strings, numbers, and word-operators (to, is, eq, gt, …) tokenized inside macro bodies