giles 9d3e54029a js-on-sx: switch/case/default/break ...

Parser: jp-parse-switch-stmt + jp-parse-switch-cases + jp-parse-switch-body.
AST: (js-switch discr (("case" val body) ("default" nil body) ...)).

Transpile: wraps body in (call/cc (fn (__break__) ...)). Each case
clause becomes (when (or __matched__ (js-strict-eq discr val))
(set! __matched__ true) body). Fall-through works naturally via
__matched__. Default appended as (when (not __matched__) body).

363/365 unit (+6), 148/148 slice unchanged.

2026-04-23 21:04:22 +00:00

33 KiB

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