tree-sitter.tree-sitter/test/fixtures/test_grammars/eof_basic/grammar.js at 74b7d0c951ebdab16a8a4d64e7cf81e56046408a - emacs/tree-sitter.tree-sitter - MGK Git

emacs/tree-sitter.tree-sitter

mirror of https://github.com/tree-sitter/tree-sitter.git synced 2026-09-10 07:36:22 -04:00

Amaan Qureshi 74b7d0c951 feat!: add an eof function

This commit adds an `eof()` function for grammars, which is easier to
use than the NUL byte directly. It compiles down to a constraint that
the enclosing production can only reduce at end of input, not to a
shiftable token.

BREAKING CHANGE: Public error types for `tree-sitter-generate` were modified.

Co-authored-by: Will Lillis <will.lillis24@gmail.com>

2026-08-21 20:02:58 -04:00

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JavaScript

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 export default grammar({
     name: 'eof_basic',
     rules: {
         source_file: $ => repeat($.line),
         line: $ => choice(
             seq('text', '\n'),
             seq('text', eof()),
         ),
     }
 });