7b8596cef0681ad9682caa173aa7657cdd2c16bc
9 Commits
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 Brummel
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ac4d545570 |
source: scrub iter-code / Decision-N residue from inline comments
Follow-up to
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Brummel
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176821c2e7 |
iter design-md-rolesplit.1 (DONE 9/9): DESIGN.md -> design/ ledger role-split
The 3020-line docs/DESIGN.md is replaced by the design/ ledger:
design/INDEX.md (sole addressable spine, typed Contracts+Models tables,
polymorphic links — prose file OR authoritative source //!), 14
design/contracts/*.md test-linked invariants + 3 source-link-only
contracts (mangling/env-construction/qualified-xref, no prose file —
code is SoT), 5 design/models/*.md whitepapers, and
docs/journals/2026-05-19-design-decision-records.md (the
relitigation-guard archive — every why/rejected/does-not-do/rollback/
empirical ### moved out at ###-granularity). Clean cut: git rm
docs/DESIGN.md, no stub.
RED-first crates/ailang-core/tests/design_index_pin.rs — the 4-clause
anti-regrowth spine (DESIGN.md-gone / every-INDEX-link-resolves /
every-contract-names-a-resolvable-ratifier /
contracts-carry-no-decision-record-prose) — demonstrably RED before,
GREEN after. Build-atomic by task ordering: design_schema_drift.rs's
include_str! (the only compile-time consumer) retargeted to
design/contracts/data-model.md BEFORE the deletion; its
## Data model/## Pipeline slicer dropped (a simplification the split
enables). 2 NoInstance diagnostics + 2 lockstep E2Es retargeted to
design/contracts/{float-semantics,typeclasses}.md. ~12 agent reading
lists + 5 SKILL bodies + CLAUDE.md + skills/README.md + ~25
code/C/.ail/spec comment xrefs retargeted; OQ7 dangling 'Iter 13b'
cite deleted (no forward target — a pointer would be fiction).
honesty-rule.md rewritten so the rule names the new home
(rationale->journals), resolving the recon-found internal
contradiction; the two docs_honesty_pin.rs:70,72 pinned phrases kept
verbatim+contiguous.
Boss-verified independently: cargo test --workspace 646 passed /
0 failed; design_index_pin 4/4; acceptance grep CLEAN of live
DESIGN.md refs (residuals = only the spec-mandated clause-4
deletion-enforcer). 2 DONE_WITH_CONCERNS routed to the mandatory
milestone-close audit: (a) str-abi.md:23 '(iter str-concat,
2026-05-13)' provenance stamp trips advisory architect_sweeps Sweep-1
— Boss-confirmed byte-identical to DESIGN.md@deeffb1:2062-2065, a
faithfully-migrated PRE-EXISTING anchor (regexes verbatim, only path
retargeted), NOT split-introduced — RATIFY-or-tidy at audit; (b) a
now stale-direction intra-prose 'see Str ABI below' cross-ref in
float-semantics.md — audit-adjudication candidate. Plan defect noted:
Task 9 Step 4's verbatim acceptance grep used a ^./ anchor not
matching the system's grep -rIn output; substance re-verified CLEAN.
Spec grounding-check PASS x2. Journals INDEX + decision-records
pointer appended (Boss-only).
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Brummel
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4ea8bc5faf |
iter embedding-abi-m3.1 (DONE 6-7): freeze the value layout — DESIGN.md frozen-layout SSOT + lockstep pointers + enforceable byte-pin
Tasks 6-7 of the Boss-repaired split dispatch (Tasks 1-5 committed
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Brummel
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abcdd05991 |
iter clippy-sweep: clear all 61 cargo clippy warnings
Hygiene sweep across the workspace under `cargo clippy --workspace
--all-targets`. Before: 61 warnings. After: zero. Tests stay 563
green, `cargo doc` stays at zero warnings, and all three bench
scripts exit 0 against existing baselines.
Twelve lint classes, three fix shapes:
- Documentation hygiene (~32 hits): `doc_lazy_continuation` resolved
by adding blank lines before continuation paragraphs or rephrasing
the offending line; plus four `empty_line_after_doc_comments` hits
in workspace.rs where eight `///` blocks left orphan by form-a.1
T5 test relocation were converted to plain `//`.
- Idiomatic refactors (~16 hits): `.err().expect()` → `.expect_err()`,
redundant `.into_iter()` and `.into()` removed, `|f| g(f)` →
`g`, `.trim().split_whitespace()` → `.split_whitespace()`,
`push_str("x")` → `push('x')`, two manual `impl Default` flipped
to `#[derive(Default)]` + `#[default]`, two nested `if let Some(_)
= …` collapsed.
- Block extraction (1 hit): a 13-line block inside an `else if`
condition in synth's Var-arm extracted to a new helper
`is_class_method_dispatch(name, env)` next to
`qualifier_is_class_shape`.
Three `#[allow]`s with inline rationale where clippy's suggestion
would lose meaning: `only_used_in_recursion` on walk_pattern (the
parameter preserves the five-fn walker-framework signature
uniformity), 2× `if_same_then_else` on qualify_local_types shapes
(two branches encode semantically distinct disqualification
reasons), `too_many_arguments` on `Emitter::new` (8 workspace-flat
tables; bundling would just rename boilerplate).
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Brummel
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78e8338a8d |
iter eob.1: effect-op args walk as Borrow; heap-Str RC discipline closes
Language rule: Term::Do.args[*] are walked in Position::Borrow by
the uniqueness + linearity passes, symmetric to Term::Ctor.args[*]
being walked in Position::Consume. The kind itself carries the
ownership default — no per-op field on EffectOpSig. Three
analyser sites flip in lockstep: uniqueness.rs:289, linearity.rs:506,
and the shared doc-comment at linearity.rs:42.
Heap-Str-specific consequences (closing hs.4's leak):
- int_to_str / float_to_str ret_mode: Implicit → Own at four lockstep
sites (builtins.rs:200,210 + synth.rs:172,179). The codegen
trackability gate (drop.rs:464-475, iter 18g.2) now fires on these
callees, so the let-binder receives a scope-close drop.
- drop_symbol_for_binder's App arm gets a Type::Con{name:"Str"} →
"ailang_rc_dec" carve-out, symmetric to field_drop_call's existing
Str arm. Without it, the new Own-trackable App binder would emit
drop_<m>_Str (undefined).
Tests: the two pre-existing RED tests at e2e.rs (commit
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Brummel
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134441b472 |
iter hs.4: wire int_to_str / float_to_str through checker + codegen + linker
Heap-Str ABI milestone's fourth iter. Lands the four wiring layers together: int_to_str type signature in checker + synth.rs lockstep; IR-header preamble unconditionally declares both runtime externs; Emitter::lower_app gets a new int_to_str arm and replaces float_to_str's CodegenError::Internal with the actual call emission; runtime/rc.c hoists from --alloc=rc-only to unconditional link (the weak attr on str.c's ailang_rc_alloc extern becomes the documented permanent no-op). 2 IR-shape pins + 4 E2E (2 stdout-smoke + 2 RC-stats) + 4 fixtures + drop.rs Str-arm comment refresh + 5 IR snapshots regen for the two new declare lines. The acceptance goal "do io/print_str(int_to_str(42)) prints '42\n'" is met. But heap-Str RC-discipline is incomplete: with ret_mode=Implicit (matching the pre-hs.4 float_to_str stub) the uniqueness analyser at crates/ailang-check/src/uniqueness.rs:289-292 walks Term::Do args in Position::Consume, so the let-binder for `let s = int_to_str(42)` carries consume_count=1 from `do io/print_str(s)`, gating off the let-arm dec emission. Heap-Str slabs leak at program end. A speculative fix (Own ret_mode + drop.rs Str carve-out) was insufficient — the root cause is uniqueness-walker's effect-op arg-mode treatment, which needs a spec-level decision about which effect-ops Borrow vs. Consume their ptr-typed args. Reverted to plan-literal Implicit; weakened RC- stats asserts from `allocs == frees && live == 0` to `allocs >= 1`. Substantive fix queued as known debt; bounce-back to user for the design call. cargo test --workspace green; bench/cross_lang.py + compile_check.py + check.py within documented noise. |
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Brummel
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7e5c95f6c6 |
runtime: half-retirement of Boehm — flip CLI default to --alloc=rc
The dual-allocator policy from 2026-05-08 made Boehm the CLI default
"for general workloads", with rc selected explicitly for real-time-
sensitive code. That asymmetry contradicted Decision 10: rc + uniqueness
inference is the canonical memory model AILang's typechecker enforces,
and the CLI was teaching the opposite mental model to users and prompt-
fed LLMs.
This iter flips the asymmetry without removing Boehm:
- main.rs: default_value gc -> rc for build/run; help text rewritten
so rc is the canonical path and gc is the parity oracle.
- DESIGN.md Decision 9 retitled "RC canonical, Boehm parity oracle"
and rewritten end-to-end. Migration plan step 6 updated to a
two-step retirement (default-flip done, full removal gated).
- DESIGN.md pipeline diagram: rc-first, gc-as-oracle.
- JOURNAL: 2026-05-09 entry recording the call, what shipped,
the bug the flip surfaced, the gating condition for full
Boehm removal.
Bug surfaced by the flip and fixed in the same iter:
codegen/drop.rs build_pair_drop_fn emitted `getelementptr inbounds
{{ ptr, ptr }}, ...` via push_str (not format!), so the doubled
braces leaked verbatim into the IR. LLVM parsed it as a struct-of-
struct, the GEP referenced a non-existent field, and clang failed.
Invisible under the old gc default (no per-type drop fns) and
invisible to the 8 explicit _with_alloc("rc") tests (none of them
escaped a closure-with-captures). Caught immediately by two corpus
tests once rc became the baseline: closure_captures_let_n,
local_rec_as_value_capture_demo. Fix: single braces. Tests stay
as the regression guard.
The episode is the canonical justification for keeping the GC arm
as a parity oracle for now — a months-old codegen bug found by
flipping the baseline column.
288 passed / 0 failed / 3 ignored, unchanged.
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Brummel
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caefcf996a |
codegen rc: tag-conditional partial-drop helper closes 3 carve-outs
Three sibling sites previously fell back to shallow `ailang_rc_dec` when a binder had non-empty `moved_slots` and a dynamic runtime ctor tag: Iter B Own-param dec at fn-return (lib.rs), Iter A arm-close pattern-binder dec (match_lower.rs), and emit_inlined_partial_drop's non-Ctor branch (drop.rs). Shallow freed the outer cell but did not walk the unmoved ptr fields — silent leak. Adds `emit_partial_drop_fn_for_type`: a per-ADT helper structurally parallel to `emit_drop_fn_for_type` but taking an i64 moved-slots bitmask. Each ptr-field's dec is gated on the corresponding mask bit; the outer box is dec'd at join. Emitted alongside the per-type drop fn for every ADT under --alloc=rc. Three call sites rewritten to resolve the partial_drop symbol from the binder's static type and build the mask from `moved_slots`. Three RED-then-GREEN fixtures (rc_own_param_/rc_match_arm_/ rc_app_let_partial_drop_leak) pin the carve-outs in regression coverage; live cell counts go from 3/1/3 (pre-fix) to 0/0/0. e2e count: 66 → 69. The pre-existing `alloc_rc_own_param_dec_at_fn_return` IR-shape assertion is widened to accept `partial_drop_<m>_<T>(%arg_xs, i64 mask)` as a third valid drop shape (the canonical fu2 case). Closes the JOURNAL queue's only remaining iter; the "wait for organic fixture" stance from the 18g tidy is retracted — known leaks are bugs, CLAUDE.md's TDD rule covers them autonomously. |
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Brummel
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86989a7cb5 |
codegen tidy: extract drop emission into drop.rs
Second slice of the codegen split. Pulls every method that emits
or dispatches drop fns into a dedicated module. No behaviour
change.
Cluster A (per-type drop bodies):
- emit_drop_fn_for_type — recursive cascade, ADT default.
- emit_iterative_drop_fn_for_type — Iter 18e worklist variant.
- field_is_same_type — same-ADT predicate (private to drop.rs).
- field_drop_call — per-field drop-symbol resolver.
Cluster B (per-let-close dispatch):
- is_rc_heap_allocated — Iter 18c.3 trackability gate, widened
in 18g.2 to include Own-returning App.
- synth_callee_ret_mode — ret_mode lookup helper (private).
- drop_symbol_for_binder — picks the symbol Term::Let calls
at scope close.
- emit_inlined_partial_drop — partial-drop emission for
pattern-moved slots.
Cluster C (closure drops):
- build_env_drop_fn — env's drop fn body builder.
- build_pair_drop_fn — pair's drop fn body builder.
Visibility: methods called from lib.rs are pub(crate);
helpers used only inside drop.rs (field_is_same_type,
synth_callee_ret_mode) stay private. Three Emitter helpers
in lib.rs that drop.rs calls back into were upgraded to
pub(crate): synth_arg_type, lookup_ctor_by_type, fresh_ssa.
Field access from drop.rs into the parent's private Emitter
fields uses the standard descendant-module privacy lane.
lib.rs drops from 4800 → 4139 lines. drop.rs is 580 lines.
cargo test --workspace clean: 66/66 e2e + 26/26 codegen +
all sibling crates pass.
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