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lib/hyperscript/tokenizer.sx — added cursor + follow-set wrapper over
the existing flat-list tokenize output:
hs-stream src → {:tokens :pos :follows :last-match :last-ws}
hs-stream-current s → next non-WS token (skips WS, captures :last-ws)
hs-stream-match s value → consume if value matches & not in follow set
hs-stream-match-type s ...types → consume if upstream type name matches
hs-stream-match-any s ...names → consume if value matches any name
hs-stream-match-any-op s ...ops → consume if op token & value matches
hs-stream-peek s value n → look n non-WS tokens ahead, no consume
hs-stream-consume-until s marker → collect tokens until marker
hs-stream-consume-until-ws s → collect until next whitespace
hs-stream-push-follow! / pop-follow!
hs-stream-push-follows! / pop-follows! n
hs-stream-clear-follows! → saved / restore-follows! saved
hs-stream-last-match / last-ws
hs-stream-type-map maps our lowercase type names to upstream's
("ident" → "IDENTIFIER", "number" → "NUMBER", etc.) so type-based
matching works against upstream test expectations.
13 tokenizer-stream tests now pass; 30/30 in hs-upstream-core/tokenizer.
Skips remaining: 5 (down from 18).
- 2 template-component scope tests
- 1 async event dispatch (until event keyword works)
- left for later: needs more architectural work
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>