ludic/selfhost/backend
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feat(testing): line coverage via --coverage + bin/x test --coverage (#45)
Instrument each emitted statement with a per-source-line hit counter, gated
behind a new --coverage flag (default off) so ordinary builds — and the
compiler's own self-compile — stay byte-identical and the C-free bootstrap
fixpoint is untouched. A static line table plus a parallel hit-counter array
are dumped at exit through an atexit hook to $LUDIC_COVERAGE (default
ludic.cov) as a `FILE <name>` header and `<line> <hits>` rows.

bin/x test --coverage compiles the test specs with instrumentation, runs them
into per-file dumps, and aggregates a clean per-file line-coverage report that
names the unreached lines. Adds examples/library/coverage.ludic (a spec whose
tests deliberately miss one branch) and docs. Closes the last open acceptance
item of the testing framework (#12).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-08-31 14:51:14 +03:00
..
game feat(types): add Reflect.* — runtime reflection over the world schema (#20) 2026-08-31 13:28:51 +03:00
stdlib feat(stdlib): add Anim.* + Tween.* — deterministic 2D animation & tweening (#5) 2026-08-31 13:05:06 +03:00
emit_addr.ludic refactor(selfhost): reorganise into concern-based subdirectories 2026-08-31 00:26:02 +03:00
emit_call.ludic feat(errors): panic(msg) + assert(cond, msg) with file:line — no raw crashes (#8) 2026-08-31 14:33:37 +03:00
emit_core.ludic feat(testing): line coverage via --coverage + bin/x test --coverage (#45) 2026-08-31 14:51:14 +03:00
emit_decl.ludic feat(testing): line coverage via --coverage + bin/x test --coverage (#45) 2026-08-31 14:51:14 +03:00
emit_expr.ludic refactor(selfhost): reorganise into concern-based subdirectories 2026-08-31 00:26:02 +03:00
emit_head.ludic refactor(selfhost): reorganise into concern-based subdirectories 2026-08-31 00:26:02 +03:00
emit_intrin.ludic refactor(selfhost): reorganise into concern-based subdirectories 2026-08-31 00:26:02 +03:00
emit_intrin2.ludic refactor(selfhost): reorganise into concern-based subdirectories 2026-08-31 00:26:02 +03:00
emit_mem.ludic refactor(selfhost): reorganise into concern-based subdirectories 2026-08-31 00:26:02 +03:00
emit_new.ludic feat(lang): new Type { field: value } record initialisers 2026-08-31 01:20:06 +03:00
emit_stmt.ludic feat(testing): line coverage via --coverage + bin/x test --coverage (#45) 2026-08-31 14:51:14 +03:00