giles 18ae63b0bd js-on-sx: optional chaining ?. ...

Parser: jp-parse-postfix handles op "?." followed by ident / [ / (
emitting (js-optchain-member obj name), (js-optchain-index obj k),
or (js-optchain-call callee args).

Transpile: each emits (js-optchain-get obj key) or (js-optchain-call
fn args).

Runtime: js-optchain-get and js-optchain-call short-circuit to
js-undefined when receiver is null/undefined.

423/425 unit (+5), 148/148 slice unchanged.

2026-04-23 22:38:45 +00:00

..

hyperscript

HS: send can reference sender (+1 test)

2026-04-23 22:37:18 +00:00

js

js-on-sx: optional chaining ?.

2026-04-23 22:38:45 +00:00

tests

Fix test suite: 60→5 failures, solid foundation for architecture plan

2026-04-02 12:50:35 +00:00

bytecode.sx

Step 5 piece 6: migrate 23 .sx files to define-library/import

2026-04-03 21:48:54 +00:00

callcc.sx

Step 5 piece 6: migrate 23 .sx files to define-library/import

2026-04-03 21:48:54 +00:00

compiler.sx

Compiler: letrec for skip-annotations in compile-define

2026-04-11 13:06:28 +00:00

content.sx

Step 5 piece 6: migrate 23 .sx files to define-library/import

2026-04-03 21:48:54 +00:00

freeze.sx

Adopt Step 7 language features across SX codebase

2026-04-04 20:49:02 +00:00

graphql-exec.sx

GraphQL: query/mutation/fragments/vars/executor + parser spec + tests

2026-04-22 09:08:00 +00:00

graphql.sx

GraphQL: query/mutation/fragments/vars/executor + parser spec + tests

2026-04-22 09:08:00 +00:00

highlight.sx

Adopt Step 7 language features across SX codebase

2026-04-04 20:49:02 +00:00

parser-combinators.sx

Step 14: source locations — pos-to-loc, error-loc, sx-parse-loc — 15 tests

2026-04-11 08:03:45 +00:00

r7rs.sx

Step 5 piece 6: migrate 23 .sx files to define-library/import

2026-04-03 21:48:54 +00:00

render-trace.sx

Step 5 piece 6: migrate 23 .sx files to define-library/import

2026-04-03 21:48:54 +00:00

serialize.sx

Step 15: bytecode + CEK state serialization — 16 tests

2026-04-11 08:19:16 +00:00

stdlib.sx

Step 5 piece 6: migrate 23 .sx files to define-library/import

2026-04-03 21:48:54 +00:00

sx-swap.sx

Adopt Step 7 language features across SX codebase

2026-04-04 20:49:02 +00:00

text-layout.sx

Fix browser compat: sublist replaces 3-arg slice, manual sum replaces reduce

2026-04-12 18:31:34 +00:00

tree-tools.sx

Adopt Step 7 language features across SX codebase

2026-04-04 20:49:02 +00:00

types.sx

Adopt Step 7 language features across SX codebase

2026-04-04 20:49:02 +00:00

vm.sx

Refactor MCP tree server: dispatch table, caching, validation, subprocess cleanup

2026-04-08 10:12:57 +00:00