657b24bfc9cf7fde2c6ac05ef5bfb07f58efe6d0
51 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Brummel
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c5fd16a4eb |
feat(codegen): StrRep loop-carried Str ⇒ Heap, close the #49 recur leak
mir.4 closes bug #49 (a heap-Str loop binder replaced across `recur`
leaks every superseded slab; the loop result leaks too) structurally,
by making every Str a loop binder holds OR a loop returns an owned heap
slab — then deleting the `!is_str` carve-out from BOTH codegen gates
that carried it. The leg-by-leg `!is_str` patches are gone.
Mechanism (the milestone thesis: representation in MIR, codegen reads
it). lower_to_mir sets rep = StrRep::Heap on every Str literal in a
loop-carried position; codegen's MTerm::Str arm promotes a Heap literal
via ailang_str_clone (a fresh ailang_rc_alloc slab, rc_header refcount
1). Three promotion positions, all in the Loop/Recur lowering:
1. binder seed inits (is_str_ty on the binder type);
2. recur args at Str-binder positions (read off the innermost
loop_stack frame);
3. exit-arm tail result literals (promote_tail_str_literals walks the
loop body's tail positions when the loop returns Str).
With every loop-carried Str now owned-heap, both gates lose !is_str:
the recur superseded-value dec (lib.rs) frees each intermediate slab;
the loop-result trackability gate (drop.rs:493) lets the caller's
scope-close free the final slab.
Why both gates, and the planning-time error this corrects. The original
plan/spec scoped the deletion to the recur dec gate only, reasoning the
#49 loop result is "consumed by print". The implement-orchestrator
landed that scope (Tasks 1-2) clean and correctly BLOCKED: it took #49
from live=3 to live=1, the residual being the loop RESULT. I verified
the diagnosis empirically:
- print BORROWS its arg (prelude: `(let s (show x) (do io/print_str
s))`, the eob.1 heap-Str discipline), so `(print s)` does not free
the loop result; the caller's let-binder does, via drop.rs:493.
"consumed by print" != "freed by print" — that was the error.
- Deleting drop.rs:493's !is_str takes #49 and the recur-literal
fixture to live=0.
- Deleting drop.rs:493 WITHOUT exit-arm promotion SIGSEGVs (exit 139)
on a loop returning a static Str literal — hence the third
promotion position and the static-exit witness.
The agent surfaced a real spec defect via an empirical BLOCK rather
than guessing; I corrected the spec refinement note (both gates, three
positions) and completed the loop-result leg inline, the context
already loaded from verifying the BLOCK (CLAUDE.md "already loaded
context" carve-out). drop.rs:493's Str carve-out is now sound to delete.
Boundary (asserted ill-typed, not constructible): a borrowed static-Str
Var seeded/recur'd into a consumed Str loop binder — rejected upstream
by uniqueness (a consumed binder position is owned).
Verification (orchestrator-run): all four leak fixtures reach live=0
under AILANG_RC_STATS — #49 (xyyy), recur-literal (reset), static-exit
(result), and the
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Brummel
|
eba1be8d9d |
feat(codegen): fill MArg.mode for App args, read the anon-temp drop gate off it, delete module_def_ail_types (mir.3b)
Second of two iterations delivering spec 0060's mir.3 row (plan docs/plans/0118-mir.3b-marg-mode-and-table-delete.md). lower_to_mir's Term::App arm fills each MArg.mode from the resolved callee's param_modes (the sig = synth_pure(callee) it already holds); codegen's emit_call anon-temp borrow-slot drop gate reads arg.mode instead of re-looking-up the callee's param_modes from the module_def_ail_types table; and — since that gate was the table's only reader — the module_def_ail_types field plus all its construction and threading are deleted. Two refinements to the spec's mir.3b sketch, settled in planning from a focused recon and recorded in spec 0060: 1. module_def_ail_types is deleted in mir.3b, not mir.5. A grep proved self.module_def_ail_types had exactly ONE reader (the anon-temp gate); the own-param drop reads param_modes from the def's own f.ty, not this table. Once the gate moves onto MArg.mode the table is dead, so it is removed now rather than carried as dead code to mir.5. The mir.5 row's "last re-derivation residue" shrinks to the element-type / Term::New (New.elem) work. 2. MArg.mode is filled for App args only; MTerm::Let.mode is not filled. Only App args have a real per-arg mode source (the callee Type::Fn.param_modes). Do args (EffectOpSig has no param modes), Ctor args (no per-field mode), and Recur args (loop binders carry no mode) stay Mode::Owned. Let.mode has no source (ast::Term::Let has no mode field) and no consumer (the let-drop gate reads consume, not Let.mode), so it stays Owned — filling it would invent a value nobody reads. Safety property held: MArg.mode is filled from the same callee fn-type the gate read from the table, so the drop fires identically. For (app RawBuf.get (app RawBuf.set …) 0), RawBuf.get's param 0 is borrow, so args[0].mode = Borrow — exactly the value module_def_ail_types yielded. Confirmed by the anon-temp witness staying green. ParamMode -> Mode conversion: Borrow -> Mode::Borrow; Own and Implicit (the Implicit ≡ Own contract) -> Mode::Owned. The own-param drop keeps reading ParamMode off f.ty (Type/ParamMode imports retained, live readers at lib.rs:1356/1507). Also retires three now-stale doc comments that named the deleted module_def_ail_types field (ailang-check/src/lib.rs, uniqueness.rs, and the codegen_import_map_fallback_pin test doc) — a direct consequence of the deletion, reworded to the current architecture. Verification (orchestrator, post-implement inspect): diff matches the plan (App-arg m_args built before m_callee consumes sig — the benign borrow-order deviation the plan's note flagged); module_def_ail_types grep-clean across all of crates/; cargo build --workspace clean (no unused/dead_code); cargo test --workspace 702 passed / 0 failed / 3 ignored (+1 = the new producer pin app_arg_carries_callee_borrow_mode; no #[ignore] added). The anon-temp drop-correctness witness raw_buf_owned_drop_balances_rc_stats stays live=0, now driven by MArg.mode; the other RC-stats leak pins green; #49 stays #[ignore] (mir.4); #51/#53 build guards green. mir.3 is now complete (3a relocated consume_count + deleted the second uniqueness run; 3b filled the mode annotation + deleted module_def_ail_types). Remaining: mir.4 (#49 StrRep RED->GREEN), mir.5 (element-type/Term::New + ledger). |
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Brummel
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6bc0b501cb |
feat(codegen): relocate per-binder consume_count into MIR; delete codegen's second uniqueness run (mir.3a)
First of two iterations delivering spec 0060's mir.3 row (plan docs/plans/0117-mir.3a-consume-count-relocation.md). The per-binder consume_count — the only thing codegen read from its second infer_module_with_cross run — now lives on a new binder-keyed MirDef.consume: BTreeMap<String,u32>, filled once by lower_to_mir on the post-mono body. Codegen builds its existing (def,binder)->consume_count lookup from those maps and the three scope-close drop sites (own-param, let-binder, match-arm) read it; the codegen uniqueness run, its UniquenessTable field, and the import are deleted. mir.3 is split into two iterations (recorded in spec 0060): the named deletion depends ONLY on consume_count. All three drop sites read consume_count from self.uniqueness, while the modes they also gate on (param_modes for the own-param dec, scrutinee_is_owned for the match dec) come from the type, not the uniqueness pass (UniquenessInfo carries no mode). So mir.3a relocates consume_count and ships the deletion; mir.3b (next) fills MArg.mode/MTerm::Let.mode and switches emit_call's anon-temp gate onto MArg.mode. The split halves the change at the codebase's highest-risk surface (RC/drop correctness, the raw-buf leak saga) and makes each half independently verifiable against the live=0 leak pins. Design: consume_count lands on MirDef (binder-keyed), NOT on MArg. The drop sites key by (def, binder_name) — a per-binder aggregate — while the spec-sketched MArg.consume_count is per-arg-position and never reaches them; the per-def map matches the UniquenessTable's own keying and all three binder kinds (param/let/pattern) uniformly. MArg.consume_count stays a mir.1 default. Source = run check's infer_module_with_cross inside lower_to_mir post-mono (the synth_pure single-engine-re-walked pattern); retaining a check-time result is blocked (check's uniqueness is pre-mono and runs on-demand-from-codegen, never in check_workspace, so it would miss the mono specialisations). cross_module_types (= codegen's module_def_ail_types) is rebuilt in elaborate_workspace from the post-mono workspace. Safety property held: this is a PURE RELOCATION of an identical computation — infer_module_with_cross ran on the post-mono module in codegen and now runs on the same post-mono module in lower_to_mir, so drop placement is byte-identical. cross_module_types matches module_def_ail_types exactly (both insert f.name->f.ty over post-mono Def::Fn), confirmed by the leak pins staying green. Verification (orchestrator, post-implement inspect): diff matches the plan; codegen grep-clean for infer_module_with_cross + UniquenessTable (now ailang-check-internal); cargo build --workspace clean (no errors, no unused warnings — module_def_ail_types survives for emit_call's anon-temp param_modes gate); cargo test --workspace 701 passed / 0 failed / 3 ignored (+1 = the new producer pin mirdef_consume_is_populated_for_let_binder; no #[ignore] added). The live=0 drop-correctness witnesses all green: alloc_rc_loop_valued_rawbuf_binder_drops_at_scope_close (#43/#47), alloc_rc_heap_loop_binder_replaced_by_recur_does_not_leak, alloc_rc_print_int_does_not_leak_show_result_str. #49 stays #[ignore] (mir.4); #51/#53 build guards green. |
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Brummel
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a6fd93adba |
feat(codegen): pre-resolve the App callee in MIR; delete is_static_callee + type_home_module (mir.2)
Second re-deriver removal of the typed-MIR milestone (spec
docs/specs/0060-typed-mir.md, plan docs/plans/0116-mir.2-callee-static.md).
Static-callee resolution moves out of codegen and into lower_to_mir:
every Term::App callee is classified once, mirroring check's own synth
Term::Var ladder (lib.rs:3409-3582), and emitted as a resolved Callee.
Codegen reads the callee identity off MIR and routes each kind to the
right lowering. The codegen re-derivers is_static_callee and
type_home_module are deleted, and the lower_app <-> is_static_callee
lockstep pair is struck from CLAUDE.md.
Callee reshape (beyond the spec's original {module, fn_name} sketch —
spec 0060's Concrete-code-shapes block is updated in this iteration):
pub enum Callee {
Static { module, fn_name, sig: Type }, // user/prelude fn -> emit_call, module pre-resolved
Builtin { name, sig: Type }, // operator/intrinsic -> inline opcode lowering
Indirect(Box<MTerm>), // dynamic: fn-pointer / closure / shadowed name
}
Two forced refinements, both settled in planning:
- sig:Type on each resolved variant. drop::synth_callee_ret_mode reads
the callee ret_mode, today off Callee::Indirect(inner).ty(). A
resolved callee has no sub-term, so the sig (= synth_pure(callee),
mode-preserving) is the lossless replacement. This is NOT a mir.3
pull-forward: the MArg param-mode / consume_count fields stay at their
mir.1 defaults. Without it, every statically-resolved call would lose
its drop signal and the RawBuf / int_to_str RC-stats pins mir.1b fixed
would regress.
- Builtin variant. Operators and the str-num builtins (+, not,
str_concat, ...) are lowered inline by name and have no module/fn_name;
a separate variant is cleaner than a sentinel module. The classifier
decides Builtin vs Static from CHECK'S OWN resolution (a name in
env.globals with no owning module is a builtin), never a copy of
codegen's old is_static_callee allowlist. The recon's divergence audit
confirmed check's builtin set and codegen's inline-arm set match
exactly, so the single-engine rule is mechanically satisfiable with no
env threading gap.
type_home_module is fully deletable: a workspace-wide grep confirmed no
program references a type-scoped T.fn as a value, so its only other
consumer (resolve_top_level_fn) collapses to the module-name fallback
with no behaviour change. (The spec's "x3 mirrors" wording over-counted;
the live surface was the definition plus two call sites.)
Alternatives rejected during planning: sentinel module in Static
(ugly); builtins left as Indirect (breaks — no fn-pointer for an
operator); name-rewrite Static{name,sig} keeping lower_app's by-name
dispatch (blurs builtin/user and still needs sig). The mir.1b
re-synth-strictness trap (post-mono synth_pure re-unify surfacing
mode-strip / bare-vs-qualified / metavar leaks) did NOT fire under the
new producer path — qualify_local_types mode-preservation and the $u
wildcard normalisation from mir.1b held.
Verification (orchestrator, post-implement inspect): diff matches the
plan; grep-clean for is_static_callee + type_home_module across
ailang-codegen and ail; cargo build --workspace green; cargo test
--workspace 700 passed / 0 failed / 3 ignored (no #[ignore] added this
iteration — the 3 are the pre-existing #49 Str-leg pin + two doctests).
Acceptance witnesses green: #53 (mono_new_over_user_adt_builds_and_runs),
#51 (rawbuf_new_int_size_only_builds_and_runs still builds), show_print
cross-module (print_user_adt_runs_end_to_end), the new mir.2 pins
(mir2_resolved_callee_kinds_run_end_to_end, callee_classification_*,
strengthened new_over_user_adt_carries_node_types asserting Callee::Static).
#49 heap-Str loop binder stays #[ignore] (lifts at mir.4).
Two new examples/ fixtures back the new pins (classify_pin.ail for the
producer classification pin, mir2_callee_kinds.ail for the E2E),
ail-parse / round-trip clean.
Forward note (cycle-close architect): crates/ail/tests/codegen_import_map_fallback_pin.rs:14-15
doc prose names lower_app's cross-module arm and synth_with_extras as
failure-mode targets — both now deleted (mir.2 / mir.1b). The pin's
protected invariant is still valid and green; the prose is stale and
wants a doc-honesty reword, left out of this iteration's footprint.
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Brummel
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449df13c9c |
fix(check): preserve fn-type modes through Subst::apply
`Subst::apply` rebuilt every `Type::Fn` with `param_modes: vec![]` and `ret_mode: Implicit`, discarding the modes the surrounding type carried. That was harmless while nothing downstream of inference read fn-type modes — but it is a latent under-specification: substitution is meant to be type-preserving, and a fn type's modes are part of its identity (an `(own T) -> (own U)` contract is not the same contract as its borrow-returning sibling). Modes are positional over `params`, and substitution remaps each param type element-wise without changing the arity, so the mode lists stay aligned — preserving them is a clone, not a re-derivation. The typed-MIR boundary (milestone 0060) makes this load-bearing: a node type synthesised by `lower_to_mir::synth_pure` ends with `subst.apply`, and the codegen drop path reads `ret_mode == Own` off a call's callee node to decide RC trackability. With the modes stripped here, an Own-returning call read back `Implicit`, nothing was trackable, and a heap-allocated binder leaked at scope close. Preserving the modes restores that signal at the source rather than re-deriving it in codegen (which is exactly the re-derivation the milestone exists to delete). Safe by construction: `unify`'s Fn arm destructures modes with `..` and compares only params/ret/effects, so carrying modes through `apply` cannot change unification; and `Type`'s custom `PartialEq` already treats `Implicit` and `Own` as interchangeable (only `Borrow` is distinct), so equality outcomes are unaffected except where preserving a `Borrow` is the more correct answer anyway. Whole `ailang-check` suite stays green. RED pin: crates/ailang-check/tests/subst_preserves_modes.rs. |
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Brummel
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600565d356 |
fix(check): localize own-ADT type-args in free-fn mono; complete the lower_to_mir producer
Additive producer-side work for the typed-MIR milestone (spec
docs/specs/0060-typed-mir.md), surfaced while building the mir.1b
codegen-consumption switch. Nothing here consumes MIR — codegen is
untouched; the whole existing suite stays green and one new RED pin
goes green. The mir.1b codegen switch itself stays in the working tree.
Headline fix — own-ADT type-arg localization in free-fn mono:
monomorphise_workspace's free-fn arm normalises every observed
type-arg through Registry::normalize_type_for_lookup. That
normalisation is load-bearing for cross-module dedup and a stable
specialisation symbol name, but it qualifies a *defining-module-own*
ADT to `<module>.<T>`. synthesise_mono_fn_for_free_fn then substitutes
those qualified type-args into the polymorphic source signature and
body, which are in the module's own *bare* convention (the qualify
pre-pass deliberately leaves own-module type-cons bare — lib.rs:4358,
"the current module sees its own types bare"). The result is a
self-inconsistent specialisation: e.g. fold_left specialised with
accumulator b := List<Int> minted
((std_list.List<Int>, Int) -> std_list.List<Int>,
std_list.List<Int>, List<Int>) -> std_list.List<Int>
— a qualified accumulator parameter against a bare list argument and a
bare Lam body. check_workspace never hits this (it synths the pre-mono
bodies, bare throughout); the old codegen tolerated it via the
now-deleted synth_arg_type's loose type-tracking. The post-mono synth
re-entry in lower_to_mir does full unification and correctly rejects
it: `expected std_list.List<Int>, got List<Int>`.
Fix: localize_own_types (mono.rs) strips the `<defining_module>.`
prefix back to bare for the module's own ADTs, applied to the type-args
before they are substituted, so the synthesised signature and body stay
uniformly bare-own. The *stored* type_args remain normalised, so the
symbol name and the Phase-3 rewrite-cursor key on the same canonical
form — the byte-identity invariant between synthesis and rewrite is
untouched. The ClassMethod arm needs no analogue: it already
substitutes the un-normalised target.type_ (mono.rs:841).
Alternatives rejected: (a) drop the normalisation in the shared
apply_subst_and_normalize helper — breaks cross-module dedup, mints
duplicate specialisations under divergent names. (b) Make
lower_to_mir's synth treat `<owner>.T` and bare `T` as equal during
unification — papers over the producer inconsistency in the consumer
and contradicts the established own-types-stay-bare invariant the rest
of check relies on. (c) Qualify the whole synthesised def own->qualified
— fights lib.rs:4358 and would require the lower path to also flip,
cascading the convention change through synth.
Producer completeness (additive, mirrors existing guards):
- lower_module skips Type::Forall defs (lower_to_mir.rs), mirroring
emit_module's guard. Polymorphic defs are stale source kept for
round-trip; their bodies carry mono-rewritten call names for
specialisations that were never synthesised, so a synth re-entry
would hit UnknownIdentifier.
- lower_module lowers non-literal const bodies to typed MTerm, carried
in MirModule.consts (+ MirConst in ailang-mir). A non-literal const
(e.g. a List ctor expression) needs a typed body once the consumer
walk takes &MTerm; literal consts emit a global and need no body.
- MirModule gains `ast: Module`, populated by lower_module — forward
scaffolding the mir.1b codegen consumption reads for module
structure. Populated here, consumed by the in-tree switch.
Verification: full `cargo test --workspace` green (697 passed, 0 failed)
with the codegen-consumption switch stashed out, including the new pin
crates/ailang-check/tests/lower_to_mir_ty.rs::poly_free_fn_accumulating_into_own_adt_elaborates
(RED before the localize fix with the exact mismatch above, GREEN after)
and the full e2e corpus (the own-ADT-poly demos elaborate clean and run
through the old codegen). This proves the producer fix is
regression-free and the remaining 22 e2e reds in the working tree are
codegen-consumption defects, not producer defects.
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Brummel
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135f4ceed7 |
feat(check): mir.1a — typed-MIR types + post-mono lower_to_mir + elaborate_workspace (additive)
First half of spec iteration mir.1 (docs/specs/0060-typed-mir.md, plan docs/plans/0114-mir.1a-mir-infrastructure.md). Purely additive: a new leaf crate plus a post-mono lowering walk plus the front-end entry. Nothing consumes MIR yet — codegen and the CLI are untouched — so the whole existing suite stays green (102 test-result-ok lines, 0 failed; the one ignored is the #49 pin, which lifts at mir.4). mir.1b flips codegen to consume MIR and deletes the synth_with_extras mirror. What lands: - `ailang-mir` (new leaf crate, depends only on ailang-core): MTerm / MArg / MArm / MLoopBinder / MNewArg / Callee / Mode / StrRep / MirDef / MirModule / MirWorkspace, structurally complete over all 17 Term variants plus the dedicated Str split (MTerm::Str{lit,rep}). Every later-iteration annotation field exists now at a mir.1 default (App.callee = Indirect, MArg.mode/consume_count = Owned/1, Str.rep = Static, New.elem = None); the struct shape will not change across mir.2–mir.5, only the values. MTerm::ty() reads the carried type. - `ailang-check::lower_to_mir`: the post-mono walk. Carries no second type engine — it calls the canonical `synth` per node with fresh throwaway inference scaffolding (subst/counter/residuals/…), applies the substitution, and threads only the lexical locals/loop_stack, maintained by the same push/pop rules synth uses (Let, Loop, Lam, LetRec, and Match via synth's own type_check_pattern). This is the "one engine, not two" property the milestone buys, on the producer side. - `ailang-check::elaborate_workspace`: the single front-end entry — check (diagnostics gate) → desugar+lift → monomorphise → lower_to_mir — transcribed from the CLI build path. check_workspace stays for the diagnostics-only callers. - Three ty-fill pins (crates/ailang-check/tests/lower_to_mir_ty.rs) load the #51/#53/#49 witnesses as fixtures and elaborate the whole workspace, so lower_to_mir is exercised over the full prelude+kernel, not just the tiny witness. Two new witness fixtures (examples/new_{rawbuf_size_only,counter_user_adt}.ail); #49 reuses the existing loop_recur_str_binder_no_leak_pin.ail. Deviations from the plan, all forced by ground truth and verified against the live code before commit: - FnDef.export is Option<String>, not bool — dropped from MirDef (the plan's note allowed this fallback). Codegen reads FnDef.export directly, unaffected. - fn_param_types did not exist — lifted the param-type extraction into a shared pub(crate) fn and rewired both mono.rs sites (collect_mono_targets, collect_rewrite_targets) to it, so the param-type source cannot drift between mono and lower_to_mir. The helper unwraps a top-level Forall then reads Type::Fn.params — identical to the inner_ty extraction it replaces; the early-return non-fn guard is preserved at both sites. Behaviour-preserving (whole suite green; this is the only edit to existing mono behaviour). - lower_module mirrors two more mono.rs scaffolding rules the plan under-transcribed: skip intrinsic-bodied fns (they are signature-only; lowering them would hit synth's Term::Intrinsic guard) and seed env.current_module + env.globals + env.imports per module so synth's Var lookup resolves post-mono specialisations (e.g. compare__Int) in the prelude. - The #53 pin asserts the lowered (new Counter 42) init carries ty Counter, not that it is an MTerm::New: a monomorphic `new` over a user ADT is desugared to a dotted call `(app Counter.new 42)` before lower_to_mir runs (desugar.rs:1078-1098), so it lowers to MTerm::App. MTerm::New survives only for a polymorphic `new` carrying a written NewArg::Type (the #51 RawBuf path, covered by the rawbuf pin). The pin's intent — ty-fill correctness — is preserved; the structural variant is mir.2/mir.5 territory. - ailang-mir uses workspace-inherited Cargo fields for consistency with the existing crates (added it to [workspace.dependencies]). refs #49 |
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Brummel
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a92bcaf969 |
fix(check): qualify cross-module kernel type-cons in user ADT fields
A consumer module's ADT field could reference a kernel-tier auto-imported type by its bare name in op/value positions (`(new RawBuf ...)`, `RawBuf.get`) but NOT in the type-constructor position of the field declaration: `(con RawBuf (con Int))` stayed the unqualified `RawBuf<Int>` and failed to unify with the constructor argument's `raw_buf.RawBuf<Int>`, so a RawBuf could not be stored in a user ADT field without spelling the qualified `raw_buf.RawBuf`. `qualify_workspace_module` skipped `Def::Type` entirely, and the `Term::Ctor` arm only qualified field types of cross-module *owning* types — a *local* type carrying a cross-module field was the uncovered case. The fix qualifies each ctor field type in the `Def::Type` arm via the existing `qualify_workspace_types`, which upgrades only genuinely cross-module type-cons (skips `own_local_types` and primitives), so a purely-local field is never spuriously rewritten. This is a check-side workspace transform, not the on-disk canonical form, so no module hash drifts (both hash-pin tests stay green). RED test `rawbuf_in_user_adt_field_resolves_bare_name` in crates/ailang-check/tests/workspace.rs, with the bare-name fixture (now checks/builds/runs -> 42, live=0, the ADT drop cascade frees the buffer slab) and the qualified control twin. This is the Series-substrate shape (a RawBuf wrapped in a user ADT), so the inconsistency would have bitten the pending series milestone. closes #50 |
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Brummel
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744ad41e47 |
fix(check): resolve type-scoped borrow-receiver ops in linearity (closes #46)
A function whose parameter is `borrow (RawBuf a)` and which calls RawBuf.get or RawBuf.size on that parameter even once was rejected at `ail check` with [consume-while-borrowed] — the exact borrow-receiver use the ledger advertises for get/size. The diagnostic also misnamed the cause: the receiver is read, not consumed. Root cause: the linearity walk's callee_arg_modes looked up the callee under its spelled name. A type-scoped polymorphic op is spelled `RawBuf.get` at the call site, but check_module_with_visible registers the kernel raw_buf ops under their bare def names (get/size). The lookup missed, the receiver arg defaulted to Consume, and consuming a binder whose borrow_count==1 (the Borrow param) fired the false positive. The kernel signatures themselves are correct (receiver slot is `borrow`); the only defect was the name-resolution gap in the linearity globals lookup. Fix: on a direct-lookup miss, fall back to the bare method name via the existing parse_method_qualifier + qualifier_is_class_shape resolvers, gated on a class/type-shaped qualifier so lowercase cross-module-fn qualifiers (std_list.length) are excluded. This is how the rest of the checker already treats type-scoped polymorphic ops; the fix is general, not RawBuf-specific. This unblocks the natural borrow-helper decomposition (a shared read-only buffer behind a helper fn) — the shape the downstream series milestone's Series.at / Series.total_count need. Surfaced by the raw-buf fieldtest (finding B1, docs/specs/0058). RED-first: rawbuf_borrow_receiver_read_is_linearity_clean. |
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Brummel
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a163c8c34a |
GREEN: pre-pass/resolver asymmetry — same-module bare + kernel-tier qualifier acceptance (closes F1, F3)
Two minimal edits in ailang-check that bring the resolver's acceptance set into line with what prep.1's workspace pre-pass (`prepare_workspace_for_check`) actually produces. The pre-pass itself is unchanged — its qualification rules are correct per spec § "Realisation mechanism — workspace pre-pass". RED tests landed in 4d39fdc; both turn GREEN, both fieldtest fixtures that surfaced the bugs now `ail check` clean. F1 — same-module type-scoped call (kem_2b_min_repro.ail). The dot-qualified `Term::Var` arm in `synth_term` (`crates/ailang-check/src/lib.rs` ~line 3425) was unconditionally rewriting the resolved fn signature via `qualify_local_types`, so a call like `(app Counter.value c)` from inside Counter's home module produced a return type `<this>.Counter` — but the matching `Term::Ctor` arm (~line 3644) and the pre-pass itself both leave own-module type-names bare. The two halves of the resolver disagreed. Fix: branch on `target_module == env.current_module` — when true, skip the qualification (the raw type is already in the form the rest of the resolver speaks); when false, qualify as before. `owner_types` lookup moved inside the else-branch since it's only consulted when qualification runs. A short comment names the pre-pass and the sibling Term::Ctor arm so a future reader sees the three-way symmetry. F3 — kernel-tier qualifier acceptance (kem_3_stub_consumer.ail). The env-builder paths `build_check_env` (~line 1653) and `check_in_workspace` (~line 1807) force-injected only `"prelude"` into `env.imports` / `env.module_imports`. The loader meanwhile derives the implicit-imports list from `modules.values().filter(|m| m.kernel)` (since prep.3) — so `kernel_stub` flows into runtime resolution but not into the checker's qualifier-validity check (~line 1968). Bare `StubT` got qualified by the pre-pass to `kernel_stub.StubT`, then bounced off the validity check as "unknown module prefix". Fix at both sites: keep the unconditional `"prelude"` literal injection AND additively insert every workspace module with `kernel: true` into the per-module import map (skip self-injection). Idempotent for production (where prelude also carries `kernel: true`) and preserves the `bare_name_resolves_through_implicit_import_to_free_fn` unit-test contract — that test deliberately constructs a prelude module with `kernel: false` to pin the legacy "prelude is always implicit" guarantee per se, independent of the kernel flag. Mirrors the loader's kernel-flag filter, making the env-builder and the loader speak the same set. Sibling pin `crates/ailang-check/tests/env_construction_pin.rs` (the frozen-reproduction copy of `build_check_env`'s `module_imports` loop) updated in lockstep so it remains a meaningful drift detector after the env-builder change. The pin is intentionally designed to track legitimate behavioural changes. Verification: - tests::type_scoped_call_in_same_module_resolves GREEN - tests::kernel_tier_module_qualifier_resolves_… GREEN - examples/fieldtest/kem_2b_min_repro.ail ail check ok - examples/fieldtest/kem_3_stub_consumer.ail ail check ok - cargo test --workspace 666 / 0 (664 prior baseline + 2 RED→GREEN this iter) Implementer notes: one re-loop on the F3 site after the first edit replaced the legacy "prelude" literal injection wholesale with the kernel-flag filter — that broke the unit-test contract above. Restored the literal AND added the filter on top per the "don't adapt tests to bugs" memory. No spec-review or quality-review loops. prep.1's pre-pass design (spec § "Realisation mechanism") was correct as written — the symmetry between owner-side `qualify_local_types` and consumer-side `prepare_workspace_for_check` holds. What was missing was uniform resolver-side acceptance of the qualifiers the pre-pass produces. With these two edits, the following equivalences hold throughout the checker: bare T ≡ <this-module>.T (F1, same-module rule) bare T ≡ <kernel-module>.T (F3, kernel-tier rule) via the loader-driven implicit-imports list that now drives both the checker's import map and the type-validity check. |
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Brummel
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9339279181 |
iter prep.3-kernel-tier-modules (DONE 9/9): kernel-tier modules + param-in + stub crate — closes #33
Terminal iteration of the kernel-extension-mechanics milestone. Ships
the four language-level mechanisms named in the spec's § Goal:
Module.kernel + TypeDef.param-in schema, their Form-A surface,
flag-driven kernel-tier auto-injection, and generic param-in checker
enforcement with a new diagnostic.
Schema (Tasks 1+2). Module gains a `kernel: bool` field
(skip_serializing_if = is_false), TypeDef gains a
`param_in: BTreeMap<String, BTreeSet<String>>` field
(skip-if-empty, kebab-renamed to "param-in"). Both fields are
strictly additive — every pre-existing fixture's canonical-JSON hash
is bit-stable except `prelude.ail`, which intentionally gains
`(kernel)`. The struct-literal sweep covered ~104 Module sites and
~35 TypeDef sites across the workspace; the additive serde-default
covers JSON deserialise paths, only Rust struct literals broke.
Form-A surface (Tasks 3+4). `(kernel)` is a bare module-header
attribute; `(param-in (a Int Float) (b Str))` is one outer
TypeDef-body clause carrying one or more inner var-lists (OQ1
decision — mirrors `(ctors …)`, one parser arm, deterministic
BTreeMap iteration). Both round-trip Form-A → JSON → Form-A
bit-identical.
Workspace-load migration (Task 5). The hardcoded `&["prelude"]`
literal at loader.rs:108 became a `modules.values().filter(|m|
m.kernel)` derivation; `parse_prelude()` injection stays because
the prelude has no on-disk manifest in user workspaces. Prelude
now carries `(kernel)` in its source, so the new filter picks it
up automatically. Code-path migration only — observable behaviour
is identical (prelude_free_fns.rs stays green). prelude hash
re-pinned (af372f28c726f29f) with Honesty-Rule provenance comment.
WorkspaceLoadError::ReservedModuleName diagnostic prose
repurposed: any built-in kernel module name is reserved
(currently prelude + kernel_stub), not specifically prelude. CLI
mapping at main.rs updated in lockstep.
Stub crate (Task 6). New `crates/ailang-kernel-stub/` is a
zero-dependency leaf crate carrying only `pub const STUB_AIL:
&str` with the Form-A source of the kernel_stub module (one
parametric TypeDef with param-in, one ctor). The parse hop —
`parse_kernel_stub()` — lives in ailang-surface next to
parse_prelude, keeping the crate-dependency graph acyclic
(`ailang-surface → ailang-kernel-stub → ailang-core`, no
back-edge). The stub is injected unconditionally in all builds as
the ratifying fixture for the kernel-extension mechanism; future
base extensions may add more or retire the stub. Drift-pinned by
`kernel_stub_module_round_trips`.
Checker (Task 7). New `CheckError::ParamNotInRestrictedSet`
variant + code() + ctx() arms + enforcement in
`check_type_well_formed`'s Type::Con arm — generic, data-driven
from the TypeDef, mentions no specific extension type. Two
in-source tests pin both the rejection (`Str` outside `{Int,
Float}`) and the acceptance (`Int` inside) paths.
Workspace-load integration tests (Task 8). New
`workspace_kernel.rs` integration-test crate with three tests:
auto-import without explicit `(import …)` declaration, two
kernel-tier modules co-load, explicit-import-overrides-auto-
import precedence preserved. Loader is import-tree-only so the
auto-import tests use a bridge module that brings the kernel
module into the workspace via the import graph — docstring
captures the reachability nuance for future readers.
Doc-state transitions (Task 9). INDEX.md kernel-extensions row
annotation transitions from "design accepted 2026-05-28; impl in
progress" to "mechanisms milestone closed 2026-05-28; raw-buf and
series milestones pending". Whitepaper STATUS + auto-import +
param-in sections transitioned forward→present for shipped
mechanisms; forward-tense survives only in sections describing
the still-pending raw-buf/series milestones (per Honesty-Rule).
data-model contract gains anchor blocks for both new schema
fields.
Side-effect: every binary's IR snapshot now contains ~52 lines
for `drop_kernel_stub_StubT` because the stub is auto-injected
into every workspace load. Snapshots refreshed; e2e expects 4
modules per workspace (prelude + kernel_stub + entry + zero or
more user modules) instead of the previous 3.
Plan defects scrubbed in the implementation (folded back into
the planner template via the planner's self-review checklist
next time): Task 4 sample test src used fictional
`(ctors (MkT a))` list form (project grammar is per-`(ctor MkT
a)`); Task 6 original wiring would have created a cycle
ailang-surface → ailang-kernel-stub → ailang-surface (inverted —
stub crate is zero-dep, parse hop lives in surface); Task 7 in-
source tests referenced a fictional `check_type_in_module`
helper (used the existing Workspace + check_workspace
convention); Task 8 first integration test expected loader to
auto-load kernel modules from disk (loader is import-tree-only;
tests use a bridge module).
Concern-5 fix folded in pre-commit: workspace.rs ReservedModuleName
doc-prose initially said "in test/dev builds" for kernel_stub —
but stub is unconditionally injected in all builds. Doc copy
tightened to present-state per Honesty-Rule.
Stats: 0 spec-review-loops, 0 quality-review-loops, 2 sweep-script
retries on Task 2 (brace-depth bug on nested vec![Ctor{…}],
recovered via per-file checkout + rewritten anchor-on-existing-
field sweep), 1 e2e-snapshot refresh on Task 6.
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b586999e81 |
iter prep.1-type-scoped-namespacing (DONE 5/5): TypeDef-first resolution + workspace pre-pass — closes #31
First iteration of the kernel-extension-mechanics milestone. Ships
the type-scoped `<TypeName>.<member>` resolution path as the
canonical form for type-associated operations, narrows the
`BareCrossModuleTypeRef` / `BadCrossModuleTypeRef` diagnostics from
"bare = strictly local" to "bare = in-scope by any path", migrates
12 std-library example fixtures, and introduces a workspace-wide
normalisation pre-pass `prepare_workspace_for_check` shared between
`check_workspace` and `monomorphise_workspace`.
Architectural discovery during implementation: the plan covered the
`Term::Var` dot-qualified resolver layer plus the workspace
validator's bare-name acceptance, but the migration of bare-form
fixtures exposed five sites where bare vs. qualified type-names
needed symmetric treatment — `Term::Ctor` resolution, `Type::Con`
well-formedness, mono's poly-free-fn name/constraint-count
enumeration, codegen's `lookup_ctor_by_type` bare-name path, and
the upstream desugar-then-qualify composition. Rather than
scattering TypeDef-first ladders across each site, the implementer
centralised the work into one pre-pass that walks every consumer
module's `Type::Con.name` and `Term::Ctor.type_name`, rewriting
bare cross-module references to their qualified `<home>.<Type>`
form. This is symmetric to the pre-existing `qualify_local_types`
(owner-side); the new pre-pass is the consumer-side mirror.
Downstream passes see qualified Types regardless of authoring form.
The TypeDef-first ladder still lives in `synth`'s `Term::Var` arm
because `<TypeName>.<member>` is term-position-only — `Maybe.from_maybe`
is a Var, not a Type expression, and the pre-pass does not rewrite
Var names.
Alternatives considered:
(a) Add TypeDef-first ladder at every resolution site separately
(the plan's implicit assumption). Rejected: O(N) extension
sites, each carrying the same workspace-walking logic; the
pre-pass version is O(1) — one pass, every downstream consumer
benefits.
(b) BLOCKED + spec re-brainstorm. Rejected: the architecture
extension is consistent with prep.1's thesis (bare type-name
resolves to the workspace-wide TypeDef) and forward-compatible
with prep.2 (Term::New.type_name falls under the same rewrite)
and prep.3 (kernel-tier TypeDefs enter the workspace map
automatically). No design regression to bounce back over.
Spec updated to document the realisation mechanism honestly: the
"Realisation mechanism — workspace pre-pass" subsection clarifies
that the resolver-level semantics described in "Implementation
shape" are the user-facing contract, and the actual code path is
the pre-pass.
Verification:
- `cargo test --workspace`: ALL GREEN. 87 e2e + every crate's unit
+ integration tests pass with no regressions.
- Three NEW in-source tests pin Task 1's resolver paths:
`type_scoped_member_resolves`, `type_scoped_member_not_found`,
`type_scoped_receiver_not_a_type`.
- One NEW workspace test pins the narrowed validator:
`ct1_validator_accepts_bare_with_explicit_import`.
- One renamed-and-flipped existing test:
`ct1_validator_rejects_bare_xmod_with_import_candidate` →
`ct1_validator_accepts_bare_xmod_with_import_candidate` (the
bare-with-import path is now ACCEPTED).
- One NEW companion test for the workspace-wide ctor lookup:
`ct2_term_ctor_bare_cross_module_via_workspace_resolves`.
- Two pre-existing tests' assertions updated for the new error
wording: `ct1_check_cli::check_human_mode_emits_actionable_message_to_stderr`
and `crates/ailang-check/tests/workspace.rs::unknown_module_prefix_is_reported`.
- 12 migrated `.ail` fixtures verified via the existing e2e
suite (each fixture is the test runner's target for an existing
`build_and_run` assertion).
- Negative fixture `ct_2_bare_cross_module.ail` semantically
preserved: dropped its `(import std_maybe)` so bare `Maybe` is
out-of-scope under the narrowed rule and still fires
`BareCrossModuleTypeRef`.
Concerns:
- The pre-pass introduces a new architectural layer (consumer-side
qualification) that the spec did not originally anticipate. Spec
amendment in this commit documents the layer. Future iterations
reference `prepare_workspace_for_check` as established
infrastructure.
- `examples/test_ct1_bare_xmod_rejected.ail.json` switched its
offending name from bare `Ordering` (which under the prep.1
semantics may now resolve via implicit prelude) to a still-
unresolvable `Mystery_Type`. The CLI test's intent (assert that
a human-mode `ail check` exits non-zero on a still-RED case) is
preserved.
Milestone status: kernel-extension-mechanics (Gitea #6) advances
1/3 iters. Next: prep.2 (`Term::New` construct) issue #32.
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54f0ced148 |
workflow: delete docs/journals/ and docs/journal-archive.md
Strict application of the "Future-Use, not Verlauf" criterion to the
two remaining journal artefacts:
- `docs/journals/` (110 files): the per-iter and audit journals from
2026-05-11 onward. Pure history; no live reader after the previous
sweep. Entire directory removed.
- `docs/journals/2026-05-19-design-decision-records.md`: the one file
that had live readers (`docs_honesty_pin.rs:108`, `parse.rs:80`,
`duplicate_ctor_pin.rs:8`, three roadmap.md mentions) and was framed
as a "relitigation guard". On re-examination its three asserted
pinned phrases ("Regions were considered and rejected", the
"demands annotations *because*" rationale, the prose-render
placeholder statement) are rationale-prose, not load-bearing
invariants — the test pinned itself, not a system property. Any
Decision that still holds lives in the code, `design/contracts/`,
or `design/models/`. Removed with the rest.
- `docs/journal-archive.md` (pre-2026-05-11 history): content-frozen
long-tail history with no live reader. Removed; if anyone ever
needs the pre-cutoff rationale they can `git log --before=2026-05-11
--grep=<keyword>`.
Live-file consequences:
- `docs_honesty_pin.rs` `design_md_present_tense_anchors_present`:
the three `records.*` assertions and the `read("docs/journals/…")`
are dropped; the contract/model anchor pins remain.
- `duplicate_ctor_pin.rs`: the "why-two-overlays rationale lives in
docs/journals/…" comment is replaced with the rationale inline.
- `parse.rs`: the "form-refinement rationale lives in docs/journals/…"
comment is dropped (the rule body already states the refinement).
- `roadmap.md`: the decision-records mention in the DESIGN.md →
design/ entry's body is dropped; the journal-archive.md `context:`
pointers across ~12 closed entries are either rephrased to point
at the relevant iter/audit (no path), or simplified to a one-line
comment when the iter name alone carries the story.
- `CLAUDE.md` Roles section: the `docs/journal-archive.md` slot is
removed; vocabulary note rephrased.
- `design/INDEX.md`: the Docs bullet drops `journal-archive.md`.
- `skills/README.md` bootstrap-rationale pointer rephrased.
`docs/specs/` and `docs/plans/` (per-milestone specs and per-iteration
plans) are unaffected — they remain the structured-design artefacts
they were before this sweep.
Workspace builds, full test suite green.
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8e586f493f |
workflow: replace per-iter journal system with git log + BLOCKED.md
The per-iter journal under docs/journals/ duplicated the iter commit body's substance and accumulated as Verlauf-Doku with no Future-Use. Sweep across all live control documents: CLAUDE.md, the 7 SKILL.md files, the 11 agent files, design/INDEX.md and the contracts/models that referenced journals, docs/roadmap.md, and the handful of source comments + tests that pointed at journal files for rationale. Mechanism changes: - Standing-reading-lists in every agent now read `git log -N --format=full` for recent project state, never per-iter journal files. The architect reads `git log <prev-milestone-close>..HEAD --format=full` for audit scope. - implement-orchestrator no longer writes a journal file. DONE outcomes emit just code + stats; the end-report is the per-task summary the Boss uses to write the commit body. PARTIAL/BLOCKED outcomes emit BLOCKED.md at the repo root — uncommitted by convention, Boss removes on repair or discard. New iron-law line + four-rationalisation row + red-flag bullet codify it. - audit ratify mechanic: --update-baseline is now paired with an explicit ratify paragraph in the audit-close commit body, not a separate JOURNAL ratify entry. - design/contracts/honesty-rule.md: "history and rationale lives in docs/journals/" → "lives in git log (iter and audit commit bodies)". Pinned phrase preserved verbatim. - CLAUDE.md "Roles of …" section reframed: design/, git log, journal-archive.md (content-frozen), roadmap.md, specs/, plans/. No docs/journals/ slot anymore. - roadmap.md context-lines that pointed at per-iter journals are dropped where the spec/commit already carries the rationale, or rephrased to "shipped in the <iter> iter commit" / "docs/journal- archive.md (<date> entry)" for pre-2026-05-11 references. What stays (this commit): - docs/journals/ directory and contents are NOT touched. Removing the contents is a separate follow-up. - docs/journals/2026-05-19-design-decision-records.md still has live readers (docs_honesty_pin.rs Z 108 + parse.rs + duplicate_ctor_pin.rs + 3 roadmap mentions) — also follow-up. - docs/journal-archive.md still exists; its self-pointer header has been updated to drop the "see docs/journals/INDEX.md" mention. Workspace builds, full test suite green. |
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ac4d545570 |
source: scrub iter-code / Decision-N residue from inline comments
Follow-up to
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bcd41810f4 |
design/ + source rustdoc: replace opaque shorthand with content phrases + links
Reader-facing prose and rustdoc carried opaque shorthand like
"Decision 10", "clause-5", "mq.1", "ct.1", "eob.1", "rpe.1",
"post-mq.3", and "Iter 22b.1:" with no in-repo definition the reader
could follow. This commit replaces every such occurrence in the
durable tier the reader is most likely to land on (design/ ledger +
source //! module headers + the central /// public-item rustdoc) with
an inline content phrase plus, where applicable, a Markdown link to
the file that defines the referenced concept.
design/ ledger — 16 files:
Definition-site headings demoted from "Decision N: <title>" to
"<title>": authoring-surface, tail-calls, memory-model section in
rc-uniqueness.md, dual-allocator section, typeclass design,
effects "pure core + algebraic effects".
Cross-reference sites: "Decision 1" -> canonical-schema principle
(data-model); "Decision 3/4" -> effects + scope-boundaries; "Decision
6" -> authoring-surface; "Decision 8" -> tail-calls; "Decision 9" ->
rc-uniqueness (dual-allocator); "Decision 10" -> memory-model;
"Decision 11" -> typeclasses (model). "clause-5" -> body-link
durability gate. "clause-3" (in language-constraints) ->
bug-class-reintroduction discriminator. "mq.1/2/3", "ct.1/4",
"eob.1", "rpe.1" -> the canonical-form rule / the type-driven
dispatch / the Str carve-out / etc. "post-mq.3" -> "type-driven".
design/contracts/feature-acceptance.md: file-local "clauses 1/2/3"
-> "criteria 1/2/3" (sprachliche Kohärenz mit der File-Überschrift
"Feature-acceptance criterion"); "the clause-3 mechanism" -> "the
bug-class-reintroduction discriminator".
Source //! module headers — 24 files:
Stripped "Iter X.Y:" prefixes and "(Decision N)" / "(mq.X)" tags
from spec_drift, uniqueness, reuse_shape, migrate_canonical_types,
typeclass_22b{2,3,c}, suppress_filter, lift, mono, linearity,
diagnostic, method_dispatch_pin, method_collision_pin,
no_per_type_print_ops, mq3_multi_class_e2e, print_mono_body_shape,
print_no_leak_pin, cli_diag_human_workspace_load_error,
ct1_check_cli, prose snapshot, unbound_in_instance_method_pin,
mono_xmod_ctor_pattern, desugar.
Central /// public-item rustdoc:
ast.rs (full sweep — every "Iter X" + "Decision N" prefix
reformulated; mode/Type::Fn rustdoc now points at memory-model.md;
Constraint / SuperclassRef / InstanceDef / ClassDef rustdoc points
at typeclasses contract).
diagnostic.rs (all "(Iter X)" / "(mq.X)" tags on diagnostic codes
removed).
lib.rs (FORM_A_SPEC rustdoc points at authoring-surface.md
instead of "Decision 6").
canonical.rs (type_hash + Float-literal rustdoc).
Still outstanding (for a follow-up commit): ~500 inline `//`
code-body comments with `Iter X.Y` markers across the workspace, and
a handful of `///` rustdoc items in hash_pin / workspace_pin / lift /
mono / suppress_filter test-pin and internal-function bodies. Code
identifiers (test filenames like `mq3_multi_class_e2e.rs`, function
names like `iter18e_drop_iterative_default_preserves_hashes`) stay
verbatim per the user's "code identifiers stay verbatim" rule.
Tests: design_index_pin 5/5 + docs_honesty_pin 5/5; workspace builds
clean; full `cargo test --workspace` previously green (every
`test result: ok` line, no FAILED line).
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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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d5c565d48d |
iter embedding-abi-m3.1 (PARTIAL 5/7 + Boss spec-defect repair): single-ctor scalar record crosses the C ABI, ownership follows declared mode
Tasks 1-5 GREEN. T1 baseline pins (re-point annotation + @ailang_rc_alloc heap-box byte-pin: size=8+n*8, tag@0, fields@8/16). T2 export gate widened (is_c_scalar -> two-level is_c_abi_type: single-ctor all-Int/Float record; multi-ctor/Str/List/nested still RED; gate suite 10/10; M1 adt-ret must-fail re-pointed to multi-ctor+Str Reading). T3 codegen forwarder widened (llvm_scalar record Type::Con -> ptr; M2 forwarder body byte-unchanged; 3/3 staticlib pins). T4/T5 E2E record round-trip own+borrow, global leak-freedom. Boss spec-consistency repair (M2.1-precedent class): orchestrator correctly BLOCKED Task 5 on a genuine spec defect -- the single-ctx-readback allocs==frees proof model is unsatisfiable for borrow (and only coincidentally passes for own) because M2's TLS-ctx is bound only during the synchronous forwarder call, so host-side decs land on g_rc_*, not ctx. Boss-verified globally leak-free + value-correct both modes. Spec + plan + harness amended to the stronger global model (sum all ailang_rc_stats: lines; the M2-TLS cross-attribution documented as correct behaviour). No fresh grounding-check (removes an over-strong measurement assumption). Tasks 6 (DESIGN.md frozen-layout SSOT + lockstep pointers + freeze wording + enforceability demo) and 7 (workspace-green gate) re-dispatched on the amended plan. Bench/architect milestone-close is audit-owned. iter embedding-abi-m3.1 (PARTIAL); INDEX.md line deferred to the DONE commit |
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e406d07d81 |
iter embedding-abi-m1.1 (DONE 7/7): Embedding-ABI M1 — scalar AILang fn callable from C/Rust
Tasks 4-7 on the Boss-Repaired plan, completing the M1 iteration: - Task 4: check-side export-signature gate — CheckError variants ExportNonScalarSignature / ExportHasEffects (codes export-non-scalar-signature / export-has-effects), code() arms, check_fn gate (params->ret->effects, first-violation-wins, unconditional on f.export.is_some()). The clause-3 discriminator in code: effectful/non-scalar exports fail to typecheck. 6/6. - Task 5: codegen Target::StaticLib — Target enum, threaded param, @main/MissingEntryMain gated behind Target::Executable, one external @<sym> forwarder per export to @ail_<module>_<fn> (fn_scalar_sig/llvm_scalar). In-source missing_entry_main_is_error byte-unchanged. Lowering pin 2/2. - Task 6: CLI ail build --emit=staticlib — clap field, Cmd::Build branch, build_staticlib (verbatim build_to prefix + has_export guard + two-archive clang -c/ar rcs tail) + run_cmd. CLI pin 2/2. - Task 7: C-host E2E coherent-stop proof (cc links libembed_backtest_step.a + libailang_rt.a, backtest_step(0,3)=9 / (9,4)=25, s==25, exit 0) + DESIGN.md §"Embedding ABI (M1)" (scalar C ABI, provisional until M3). E2E pin 1/1. Independent Boss verification: E2E 1/1, gate 6/6, full workspace 0 failures, roundtrip_cli + design_schema_drift + spec_drift green, Invariant 1 holds (no new dep in core/codegen/runtime). 3 behaviour- neutral plan pseudo-vs-reality concerns in the journal. Default-exe codegen/runtime path byte-unchanged (check.py firing = tracked-P2 known-noise, audit-adjudicated). INDEX line added. Completes the M1 iteration (impl). Milestone-close audit + fieldtest (surface-touching) are the next pipeline steps. |
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818177d835 |
iter embedding-abi-m1.1 (PARTIAL 3/7): schema + surface + baseline prerequisites; plan Repair
Tasks 1-3 of docs/plans/embedding-abi-m1.1.md, a verified known-good subset (cargo build --workspace exit 0; full workspace green; the roundtrip_cli all-examples gate green): - Task 1: CLI build-path MissingEntryMain baseline pin (examples/embed_noentry_baseline.ail + embed_missing_main_baseline.rs; triple-assertion, layered on the green codegen-unit pin lib.rs:3314). - Task 2: additive FnDef.export: Option<String> (serde default + skip_serializing_if, modelled on FnDef.doc); compile-driven thread of export: None across ~85 FnDef/AstFnDef literals / 18 files incl. all in-source #[cfg(test)] mod tests + drift/hash/spec-drift literals + the codegen lib.rs:3320 in-source pin; hash-stability golden pin; DESIGN.md fn-JSON "export" line. DONE_WITH_CONCERNS (plan symbol content_hash_fn -> def_hash per hash_pin.rs, plan- pseudo-vs-reality class, plan corrected). - Task 3: Form-A (export "<sym>") modifier — parse_export + parse_fn thread + write_fn_def emission + form_a.md grammar; byte-identical round-trip. Task 4 BLOCKED (Boss plan-defect: fixtures declared module != file stem; AILang's loader hard-enforces module==stem at workspace.rs:438, so ail check panicked on load before the gate). Boss resolution (Option 2, overriding the orchestrator's Option 1, rationale in the journal + plan Design-decision 6): keep descriptive embed_* filenames, rename fixture MODULES to their stems — the C symbol backtest_step stays via (export ...), demonstrating spec Decision 2's mangling- decoupling rather than violating it; archive becomes libembed_backtest_step.a, internal symbol @ail_embed_backtest_step_step, host.c unchanged. Plan fixed (Design-decision 6 + Task-4 module==stem + Task-5/6/7 dependent strings + the no-*. Float-head + content_hash_fn concerns folded). Headline fixture corrected; blocked-Task-4 WIP discarded (recreated by the [4,7] re-dispatch from the fixed plan). PARTIAL commit (not the iter's final commit): the implement Repair path mandates committing the known-good subset so the [4,7] re-dispatch starts from a clean tree that includes Tasks 1-3 (Tasks 4-7 structurally depend on the schema field + surface). INDEX line added when the full iter lands post-re-dispatch. |
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07f080256c |
iter remove-mut-var-assign.1: atomic removal of mut/var/assign
mut/var/assign removed from AILang entirely and atomically. Deleted: Term::Mut/Term::Assign/struct MutVar; the three Form-A keywords + parse_mut/parse_assign + grammar EBNF; the 4 mut CheckError variants; the mut_scope_stack synth threading (param dropped from synth + every internal/external/test caller); the two lower_term arms; and every exhaustive no-_ Term::Mut/Term::Assign match arm across 17 source files — cut in lockstep with DESIGN.md, fixtures, the drift trio, carve-out and roadmap so the schema is honest at every commit. No catch-all wildcard introduced (verified). loop/recur + let/if are the surviving forms. The shared codegen alloca machinery survives (loop reuses it): mut_var_allocas renamed binder_allocas (representation-only, loop codegen byte-identical) and the shared Term::Lam escape guard simplified to !loop_stack.is_empty() with the loop half (LoopBinderCapturedByLambda) byte-equivalent. Feature-acceptance applied inverted: the removed feature fails clause 2 (redundant) and clause 3 (IS the iterated-mutable-state bug class). Behaviour preservation is executable: mut_counter/mut_sum_floats still print 55 after the faithful let/if rewrite. The removal is made executable by the new mut_removed_pin.rs (4 must-fail pins). Independent verification: cargo test --workspace 605/0, zero residual mut symbols in any crate source, loop/recur non-regression all green (55 / 500000500000 / infinite-compiles / the lambda_capturing_loop_binder pin), roundtrip_cli PASS. One DONE_WITH_CONCERNS: a 4th recurrence of the recon-undercount class (in-source mod tests + a drift-pin fn + 5 orphaned mut .ail.json carve-outs + a non-enumerated E0599); all resolved within implementer remit, no behaviour change. Milestone-close audit then fieldtest remain. spec docs/specs/2026-05-18-remove-mut-var-assign.md (grounding PASS) plan docs/plans/remove-mut-var-assign.1.md |
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39380d361d |
test: RED — lambda capturing a loop binder must fail ail check (loop-recur.tidy)
Milestone-close audit (architect,
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1566ce0b29 |
iter loop-recur.2: typecheck semantics — binder typing, recur checks, verify_loop_body
Second of three iterations of the standalone loop/recur milestone
(plan
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37ac704bf3 |
iter revert: back out the Iteration-discipline milestone (it.1 + it.2)
One forward iteration; main never rewound. |
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a4be1e58a3 |
iter it.2: structural-guardedness checker + first real Diverge effect
Iteration-discipline milestone, 2 of 3. Strictly additive (nothing tail-related removed; that is it.3). New whole-body pass verify_structural_recursion sibling of verify_tail_positions (DD-1): smaller-set algorithm with implicit candidate inference + unconstrained accumulators (DD-2, foldl=structural), self/mutual via inline ADT-family union-find (DD-3), it.2-only tail==false grandfather. CheckError::NonStructuralRecursion. term_contains_loop (stops at Term::Lam, DD-4) injects Diverge so existing UndeclaredEffect enforces it, no new variant; lam-arrow + LetRec sub-effect sites wired. DESIGN.md Decision 3 synced. Four it.1 loop fixtures gained !Diverge. Two spec-premise boundary defects surfaced + resolved within the additive invariant (corpus clean, check not weakened), recorded as corrected it.3 corpus-migration scope: (1) the "21 tail-app fixtures" grandfather premise under-counts the corpus — no-ADT-candidate counter recursions have no structural position to verify, deferred to it.3; (2) two RC-regression fixtures joined the spec's transitional tail-app grandfather as the other 20 do (RC==GC guards verified still green). cargo test --workspace 622/0; 9 acceptance pins non-vacuous. Spec |
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96db54d15d |
iter it.1: loop/recur additive — Term::Loop/Term::Recur/LoopBinder end-to-end
Iteration-discipline milestone, 1 of 3. Adds named loop + recur as strictly-additive first-class AST nodes: parse/print/prose/serde/ round-trip/schema lockstep, typecheck (binder typing + recur arity/type unification via loop_stack threaded as mut.2's mut_scope_stack; recur-tail-position via verify_loop_body), codegen (loop-header + one phi per binder; recur back-edge br with a NEW parallel block_terminated setter; lambda-boundary loop_frames save/restore). Four Recur* CheckError variants. Strictly additive: zero deletions touch tail-app/tail-do or the seven existing block_terminated sites — this is what makes the destructive it.3 safe. recur synth = fresh metavar (resolves the plan's flagged Type::unit() risk). loop_counter->55, loop_in_lambda->49, four negatives fire, tail-app byte-identical, cargo test --workspace green. Spec |
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20add51112 |
iter mut.4-tidy + audit close — mut-local milestone closed
Tidy iter addressing the audit-mut-local drift. Plus paired baseline
update on bench/baseline_compile.json (audit-skill discipline).
Architect [high] items closed:
1. CheckError::MutVarCapturedByLambda rejects lambdas whose body
free vars include a mut-var of the enclosing mut_scope_stack.
Uses the existing ailang_core::desugar::free_vars_in_term walker
(which honours Term::Match pattern bindings). The scan runs only
when mut_scope_stack is non-empty.
2. crates/ailang-codegen/src/lambda.rs: the capture-not-in-locals
path that previously raised CodegenError::Internal blaming the
typechecker now uses unreachable!. The companion comment block
was rewritten to state the current reality.
Architect [medium] items closed (stale mut.1-stub history comments):
3. docs/DESIGN.md §'Term (expression)' mut/assign block: the
trailing paragraph describing the iter mut.1 stub state was
replaced with one describing the current mut.3-end-state. The
inline jsonc comment on {'t': 'assign'} was updated to drop the
'deferred to mut.2/mut.3' language.
4. crates/ailang-codegen/src/lib.rs: the stale comment block above
the real Term::Mut arm describing the mut.1 stub was removed
entirely.
Other:
- Short-circuit on empty mut_scope_stack in synth's Term::Var arm:
the iter mut.2 prepend now skips the iter-and-find walk when
the stack is empty, eliminating any per-Var-resolution overhead
for the common case (programs with no mut blocks). The
short-circuit did NOT close the check_ms regression — see ratify
below.
- Spec docs/specs/2026-05-15-mut-local.md §'Out of scope' amended
with the lambda-capture rejection bullet.
- Negative fixture examples/test_mut_var_captured_by_lambda.ail.json
+ driver test extension in crates/ailang-check/tests/
mut_typecheck_pin.rs (6th test) +
crates/ailang-core/tests/carve_out_inventory.rs EXPECTED bumped
12 → 13.
Bench-regression ratify:
bench/compile_check.py check_ms showed a uniform ~30-50% relative
shift across the entire 11-fixture suite (~0.5ms absolute on a
1.4-1.5ms baseline). The uniformity across fixtures of very
different Var counts argues for a fixed-cost-per-invocation tax,
not a Var-proportional hot path. The Term::Var short-circuit
falsified the hot-path hypothesis. The plausible remaining causes
(synth-parameter-passing through ~19 recursive sites, and binary-
size startup tax from mut-* adding ~1400 LOC to typecheck/codegen)
are both feature-cost, not pathological. Ratified by paired
journal entry; bench/baseline_compile.json updated to the post-
mut-local numbers via 'bench/compile_check.py --update-baseline'.
bench/check.py continues to show the established tail-latency-noise
envelope from audit-pd (2026-05-14) — no separate ratify needed.
bench/cross_lang.py clean.
Tests: 594 → 598 green (4 new lib.rs mod tests + 1 driver test +
1 fixture-corpus uptake).
Journal: docs/journals/2026-05-15-iter-mut.4-tidy.md.
mut-local milestone end-to-end status:
- mut.1 (
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b24718a5ff |
iter mut.2: typecheck for Term::Mut + Term::Assign
Replaces the iter mut.1 dispatch stubs in synth with real typecheck
logic. Codegen stubs stay (deferred to mut.3); examples/mut.ail now
typechecks clean but still cannot run end-to-end.
Concretely:
- crates/ailang-check/src/lib.rs: three new CheckError variants
(MutAssignOutOfScope, AssignTypeMismatch, UnsupportedMutVarType)
with #[error('[code]: msg')] Display attrs matching the cli-diag-
human bracketed-code convention; code() + ctx() arms emit
kebab-case codes and structured JSON payloads.
- synth signature: new parameter mut_scope_stack: &mut Vec<IndexMap<
String, Type>> after locals, threaded through every recursive call
site (synth's 18 internal calls + mono.rs:712/1337 re-synth +
lift.rs:723 + builtins.rs test helpers + the mq.3 in-test helper
at lib.rs:6663). Stack is per-walk and lexically scoped — push on
Term::Mut entry, pop on exit. Each frame is an IndexMap so
declaration order is preserved for the diagnostic 'available' list.
- Term::Var resolution: prepended with innermost-first mut-scope
lookup. Mut-vars are monomorphic — no Forall instantiation, no
free_fn_owner recording. Innermost-wins shadowing falls out of
the iteration order.
- Term::Mut arm: gate var types to Int/Float/Bool/Unit only via
a small is_supported_mut_var_type helper; each var's init is
synth'd in the in-progress scope (the var itself is not yet
bound, so it does not self-shadow during init); push completed
frame, synth body, pop. Block's type is body's type.
- Term::Assign arm: walk mut_scope_stack innermost-first looking for
name. On miss: MutAssignOutOfScope with available flattened
across all frames (innermost-first, deduplicated, preserving
order). On hit: synth value, unify against declared type — on
mismatch emit AssignTypeMismatch with rendered types; on success
produce Type::unit().
- Five .ail.json fixtures under examples/ exercising each
diagnostic plus a positive nested-shadow sanity case, driven by
the new pin test crates/ailang-check/tests/mut_typecheck_pin.rs
(load_workspace + check_workspace + assert exact codes).
- carve_out_inventory.rs EXPECTED extended 7 → 12 to cover the new
negative-fixture set (consistent with the form-a-default-authoring
spec §C4(b) precedent for type-rejection fixtures staying as
.ail.json-only).
Plan deviations from recon: three additional synth() call sites
beyond the four enumerated (lift.rs:723, builtins.rs x2,
lib.rs:6663) surfaced via the build-red structural signal; each
threaded with a fresh empty stack. carve_out_inventory.rs extension
was required by the existing pin but not named in the recon — a
documentary concern for the next planner pass.
Tests: 579 → 592 green; examples/mut.ail typechecks clean
('ok (26 symbols across 2 modules)') via cargo run --bin ail --
check examples/mut.ail; cargo build green; full workspace test
green.
Journal: docs/journals/2026-05-15-iter-mut.2.md.
Refs: docs/specs/2026-05-15-mut-local.md, docs/plans/2026-05-15-iter-mut.2.md.
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6fdb45d2f2 |
iter rpe.1: retire per-type print effect-ops
Single iter shipping the post-milestone-24 follow-up named in
docs/specs/2026-05-14-retire-per-type-print-effects.md. After this
iter the only surviving direct-output effect-op is `io/print_str`;
all per-type print primitives are replaced by the polymorphic
`print` helper (prelude, iter 24.3).
Components:
- 92 examples/*.ail fixtures migrated (do io/print_<T> x) →
(app print x); 6 .prose.txt snapshots regenerated via `ail prose`.
- Four-site lockstep compiler deletion: crates/ailang-check/src/builtins.rs
(3 effect_ops.insert blocks + 3 list() rows + the
install_io_print_float_signature test + module + EffectOpSig
doc-comments); crates/ailang-codegen/src/lib.rs lower_app
(3 arms + lowers_io_print_float test); crates/ailang-codegen/src/synth.rs
builtin_effect_op_ret match-arm pattern. Dead `intern_string`
helper removed as a follow-up.
- Five incidental test-body migrations (ailang-check x2, ailang-core
spec_drift + design_schema_drift, ailang-surface/src/lex.rs,
ailang-prose/src/lib.rs round-trip test).
- Cat B test-harness patch: six IR-shape tests in
crates/ail/tests/e2e.rs gained a monomorphise_workspace call
before lower_workspace_with_alloc so they follow the same
pipeline as `ail build` (the home-rolled desugar+lift loop
stayed because mono's precondition is "already lifted"; mono
inserts after lift).
- Six doc-comment touch-ups (lex.rs module doc, parse.rs
diagnostic example, ail/src/main.rs x2, runtime/str.c %g anchor,
crates/ailang-core/specs/form_a.md surface-spec example).
- DESIGN.md seven-site sweep (Decision 11 example, Polymorphic
print past-tense, Heap-Str output sentence, effect-op
invocation comment, Float NaN paragraph re-anchored on
float_to_str, two "What is supported" lists).
- Three E2E test-comment polish + four IR-snapshot refresh + one
canonical-hash pin update (plan-unanticipated downstream
consequences of the corpus migration).
- bench/{check,compile_check,cross_lang}.py: all exit 0; no
ratification needed.
- Roadmap entry struck through; per-iter journal at
docs/journals/2026-05-14-iter-rpe.1.md.
Tests 564/0/3. cargo clippy and cargo doc: zero warnings.
Two upstream codegen bugs surfaced during the first BLOCKED
attempt and were fixed in separate iters before this retry:
-
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77b28ad64d |
iter form-a.1 (Tasks 1-5): additive phase + relocation
First half of the form-a-default-authoring milestone-close iter (Boss-decided strategy C, big-bang). All five tasks DONE; cargo test --workspace green at every per-task boundary. T1 — Add three new tests: - parse_is_deterministic_over_every_ail_fixture (round_trip.rs) - cli_parse_then_render_then_parse_is_idempotent (roundtrip_cli.rs) - carve_out_inventory.rs (new file; #[ignore]'d until T8 deletion) T2 — Bulk-render the 99 missing examples/<stem>.ail files via `ail render`. Corpus 58 .ail (pre-iter) -> 157 .ail. Eight .ail.json carve-outs (7 §C4(a) subject-matter + 1 §C4(b) prelude) preserved. One re-loop triggered: load_workspace prefers .ail siblings since ext-cli.1, so the newly-rendered imports broke seven Group-A entries whose JSON entry-paths now resolved imports to fresh .ail. Repair: pre-emptive forward-pull of five T3 migrations + 4 transient #[ignore]s on workspace.rs mod tests (cleanly relocated in T5). T3 — 14 Group-A test files migrated from ailang_core::load_workspace to ailang_surface::load_workspace + .ail paths. Carve-out lines preserved verbatim (7 sites in typeclass_22b2.rs / typeclass_22b3.rs). T4 — 12 Group-B test files: bulk regex flip on build_and_run / build_and_run_with_alloc / build_and_run_with_rc_stats call sites (~70 e2e.rs invocations + 11 subprocess sites). Four files mis-classified Group-A as Group-B in plan recon (mono_hash_stability, prelude_free_fns, print_mono_body_shape, show_mono_synthesis); two files mis-classified Group-B as Group-A (mono_recursive_fn, mono_xmod_qualified_ref). Migrated per actual shape, not plan label. T5 — Relocated #[cfg(test)] mod tests from production source to integration test crates with ailang-surface dev-dependency: - crates/ailang-core/tests/hash_pin.rs (10 tests from hash.rs) - crates/ailang-core/tests/workspace_pin.rs (10 non-carve-out tests from workspace.rs) - crates/ailang-codegen/tests/eq_primitives_pin.rs (3 tests from codegen/src/lib.rs:3717-3799) - ailang-prose/tests/snapshot.rs migrated (helper + 8 fixtures) to .ail + ailang_surface::load_module Carve-out tests in workspace.rs mod tests preserved in-place (3× 22b2 + 3× ct1 = 6 tests). Tempdir-based loader-mechanism tests (3 sites) also preserved — they don't consume examples/. Tests: 560 passed, 0 failed, 4 ignored (was 558 + 3 T1 new - 1 transit carve_out_inventory #[ignore] = 560 active). Tasks 6-12 (bench-driver suffix flips, e2e diff-test rewrite + 4 additional raw-JSON-inspect handlers, .ail.json deletion, retiring obsolete roundtrip tests + schema_coverage corpus flip, §C3 DESIGN.md restatement, §A4 doctrine edits, WhatsNew + roadmap strike) ship in the next dispatch on this iter ID. Known debt inherited to T6-12: 4 raw-JSON-inspect tests in e2e.rs (borrow_own_demo / reuse_as_demo / render_parse_round_trip_canonical / ail_run_accepts_ail_source_with_same_stdout_as_ail_json dual-form smoke) need rewrite or #[ignore] before T8 deletion; recorded in journal Concerns + Known debt sections. |
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3286117605 |
iter 24.2: class Show + 4 primitive instances + 22b TShow migration
Ships class Show a where show : (a borrow) -> Str in the prelude
plus primitive Show Int / Bool / Str / Float instances. Each
instance body is a single-application lambda invoking the
corresponding runtime primitive (int_to_str, bool_to_str,
str_clone, float_to_str) — first prelude instance bodies to call
runtime primitives directly. Float is included in Show (unlike
Eq/Ord) because textual representation is well-defined modulo the
NaN-spelling caveat at DESIGN.md §Float semantics.
The 22b typeclass test corpus is migrated preemptively: 21 fixture
files and 6 consumer files (typeclass_22b{2,3}.rs +
hash.rs ct4 pin + workspace.rs iter22b1 tests + the
instance_present.prose.txt snapshot) rename class Show / show
to class TShow / tshow, analogous to the existing TEq/TOrd
convention. Migration runs before the prelude additions so the
workspace stays green throughout.
Three new tests pin the post-mono shape: show_mono_synthesis.rs
(existence of show__Int/Bool/Str/Float as Def::Fn entries in the
prelude post-mono module), show_dispatch_pin.rs (bare show and
tshow both Step-2 singletons workspace-globally),
mono_hash_stability.rs::primitive_show_mono_symbol_hashes_stay_bit_identical
(body hashes pinned for the 4 new mono symbols).
DESIGN.md §Prelude (built-in) classes drops Show from the
deferred-features list and appends a milestone-24 paragraph
naming the class signature + the 4 instances + the body shape.
print rewire stays deferred to iter 24.3.
Tests: 552 passed (was 548 + 4 new). bench/compile_check +
bench/cross_lang exit 0. bench/check exits 1 on the recurring
noise envelope per the conservative-call lineage.
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99d3968656 |
iter mq.3: retire MethodNameCollision + multi-class E2E + DESIGN.md sync
Closes the module-qualified-class-names milestone. Deletes the workspace-load workaround; the two-libraries case now resolves via type-driven dispatch at the call site with explicit qualifier as the LLM-author's disambiguation tool. Resolves both mq.2 known-debt items (active_declared_constraints plumbing, (class,method) re-key). New synth warnings channel emits class-method-shadowed-by-fn at all three fn-precedence branches per spec section Class-fn collisions. Three new E2E fixtures + integration tests cover the ambiguous, qualified, and class-fn-shadow trajectories. DESIGN.md class-names paragraph rewritten, new section Method dispatch added. Roadmap P2 marked done, milestone-24 unblocked for re-brainstorm. 9/9 tasks. 545 tests green. bench/compile_check.py + cross_lang.py exit 0; bench/check.py exit 1 (2 noise-class regressions, runtime uncoupled to typecheck iter). |
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2e6a4ca200 |
iter mq.2: type-driven dispatch mechanism installed (mechanism-before-exercise)
Installs the dispatch infrastructure for type-driven method resolution without retiring MethodNameCollision yet. The new multi-candidate path is exercised exclusively by 15 unit tests; real workspaces continue producing single-class residuals (candidates: None) and every pre-mq.2 fixture typechecks unchanged. Three new CheckError variants: - AmbiguousMethodResolution (multi-candidate after type-driven filter) - UnknownClass (explicit qualifier names a class not in registry) - NoInstance gains additive candidate_classes field (Vec<String>) Schema/Env additions: - Env.method_to_candidate_classes: BTreeMap<String, BTreeSet<String>> workspace-flat inverse of class_methods, built in build_check_env. - ResidualConstraint.candidates: Option<BTreeSet<String>> — None preserves pre-mq.2 single-class semantics; Some(set) carries the multi-candidate residual that discharge refines. - ResidualConstraint visibility bumped pub(crate) → pub for unit-test crate access. New helpers: - MethodDispatchOutcome enum + pure resolve_method_dispatch implementing the spec's 5-step rule (qualifier → singleton → type-driven filter → constraint-driven filter → Multi for discharge-time refinement). - parse_method_qualifier splits Term::Var.name into (method_name, optional_qualifier_prefix) at the last dot. - RefineOutcome enum + refine_multi_candidate_residual for discharge-time refinement. - resolve_residual_class_for_mono wires the refinement into mono's collect_residuals_ordered residual-to-target mapping. Synth Var-arm class-method branch rewritten via parse_method_qualifier with inner-dot gate (qualifier must be <module>.<Class>; single-dot names fall through to the existing qualified-fn path). Constraint-discharge in check_fn uses expanded (post-superclass- expansion) constraints for the rigid-var path — sounder than raw declared_constraints. Plan-invented format_type_for_display replaced with the existing ailang_core::pretty::type_to_string (one less duplicate). Synth-time declared_constraints: &[] is a deliberate gap documented as known debt — load-bearing only post-mq.3 for the rigid-var fallback (env-plumbing the active fn's constraints into the Var arm is a ~10-line edit slated for mq.3). 9/9 tasks, 539 tests green (was 520 pre-mq.2; +15 mq.2 unit tests + 4 pre-existing). bench/compile_check.py + cross_lang.py clean; bench/check.py 1 regression (latency noise — runtime cannot be touched by a typecheck-side iter). |
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0eb33235eb |
iter mq.1: class-ref canonical-form extension + workspace-internal class-name qualification
Three schema fields move bare → canonical (bare for same-module,
<module>.<Class> for cross-module): InstanceDef.class,
Constraint.class, SuperclassRef.class. Symmetric to ct.1's
Type::Con.name rule. ClassDef.name stays bare.
validate_canonical_type_names gains three field-walks via new
check_class_ref helper + two sibling diagnostics
BareCrossModuleClassRef / BadCrossModuleClassRef.
check_class_name_fields narrowed to ClassDef.name-only.
Workspace-internal class-name keys all qualified:
class_def_module, class_by_name, registry entries.0,
ClassMethodEntry.class_name, class_superclasses, mono's
class_index, Origin::Class.class_name. New qualify_class_ref
helper at workspace.rs scope plus sibling
qualify_class_ref_in_check in ailang-check.
Two new positive on-disk fixtures (mq1_xmod_constraint_class{,_dep})
exercise the qualified Constraint.class shape.
Recon claim that all existing fixtures' class-refs are intra-module
was empirically wrong — 10 fixtures required minimal canonical-form
migration. Duplicate-instance test architecturally restructured:
post-mq.1 orphan-freedom makes two-modules-on-same-(class,type)
structurally impossible; new test_22b1_dup_same_module fixture
lands both instances in the class's module.
Plan defects fixed inline: Origin::Class.class_name single
construction site (plan recon off-by-one); build_class_index in
mono.rs needed qualifying; build_module_globals needed Def::Instance
carve-out; check_fn declared-constraint matching needed inline
canonical-form lifting; NoInstance Float-aware message arm needed
prelude.Eq/prelude.Ord match; coherence type-leg needed qualified-
head split-and-lookup. Tasks 3-6 ran as one coherent fix.
7/7 tasks, 520 tests green. bench/compile_check.py + cross_lang.py
exit 0; bench/check.py exit 1 (4 improvements-beyond-tolerance,
audit-ratifiable, not a regression).
MethodNameCollision + dispatch path unchanged; iters mq.2 + mq.3
land them.
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805bba3fda | iter ctt.1: env-overlay shape ratification + DuplicateCtor pin | ||
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842df380a4 | iter 23.1.3: implicit prelude import + symmetric bare-type-name imports-fallback in Term::Ctor synth | ||
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c3fd1c08a3 | iter env-unify.audit: tidy stale Env docs, pin-test docstring; queue types/ctor_index shape | ||
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cd08f53315 | test: fix env-pin globals assertion (builtins seed operators workspace-flat) | ||
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42a7ed7673 | test: clean red signal for env-construction pin (inline module_types) | ||
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d7706dc3ed | test: red for env-construction drift-shape pin | ||
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eb4db9dafc |
iter 22b.1.2: workspace registry skeleton + coherence checks
Adds the workspace-global typeclass instance registry per Decision 11
"Resolution and monomorphisation". Built at the end of load_workspace
after the DFS over imports completes; keyed by (class-name, type-hash)
where type-hash uses the new canonical::type_hash (16-hex prefix,
parallel to def_hash and module_hash).
Three coherence checks fire from build_registry, each surfacing as a
distinct WorkspaceLoadError variant:
- OrphanInstance: `instance C T` not in C's or T's defining module.
- DuplicateInstance: two entries share the same (class, type-hash) key.
- MissingMethod: instance omits a required (non-default) method.
The CLI's workspace_error_to_diagnostic is extended with the three new
codes (orphan-instance / duplicate-instance / missing-method).
All existing Workspace { ... } construction sites get the new
`registry` field, defaulting to Registry::default() at synthetic /
test-only paths and threading through ws.registry.clone() at codepath
sites that already hold a real workspace.
Includes hash-stability regression tests (iter22b1_schema_extension_*
and iter22b1_classdef_empty_optionals_hash_stable) and the empty-
registry positive test against examples/sum.ail.json. Test count:
288 → 291 (3 new tests, all pass).
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50b68267fe |
check: mode-strict-because suppression (iter 19b)
Closes the 19a/19a.1/19b arc. Corpus signal from 19a.1 (5/65
fixtures fire over-strict-mode, all deliberate RC codegen-test
fixtures) justified shipping the suppress mechanism end-to-end.
Schema: Suppress { code, because } on FnDef. Pre-19b hashes
bit-identical via skip_serializing_if. Typechecker drops matching
diagnostics; empty 'because' is Error severity; wrong codes are
silent no-ops (open-set registry).
Form-A: (suppress (code "...") (because "...")) clause, parser
+ printer round-trip clean. Form-B: '// @suppress <code>: <reason>'
above the doc string, lossless contract metadata.
5 RC fixtures migrated (.ail.json + .ailx + .prose.txt). Corpus
signal: 5/65 -> 0/65. Lint still fires on any future fn that's
accidentally over-strict without an authored reason.
Test counts: ailang-check 55->61, ailang-core 26->28, ailang-surface
21->26, ailang-prose 49->52, e2e 70 unchanged.
Known debt: .ailx comment headers lost on regen (ail render's
contract excludes comments); parse_suppress_attr accepts
duplicate code/because attrs without diagnose (bounded by canonical
print order).
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ce6ab8ee44 |
Iter 18e: (drop-iterative) annotation + worklist allocator
Closes the 18-arc's stack-recursion limit. Recursive drop cascades from 18c.4 overflow on long ADT chains (Linux's 8 MB default stack maxes out around 1M cells of List). The new opt-in (drop-iterative) annotation on a Def::Type switches the synthesised drop_<m>_<T> body from recursive to iterative-with- explicit-worklist for that type. Schema: - TypeDef.drop_iterative: bool. Default false; serde-skip when false so existing fixtures' canonical JSON hashes stay stable. - Form-A: (drop-iterative) clause inside (data T ...). Worklist runtime (4 new ABI symbols in runtime/rc.c): - ailang_drop_worklist_new(initial_capacity) - ailang_drop_worklist_push(wl, ptr) - ailang_drop_worklist_pop(wl) -> ptr - ailang_drop_worklist_free(wl) Heap stretchy buffer, doubling on overflow, null-filtering on push. Lean 4 / Roc precedent documented in the runtime; the slot-repurposing strategy was considered and rejected because not every box has a free pointer-typed slot to thread the worklist through (Cons head is i64, slot 1 is ptr but it's the field we're following — no free slot). Codegen (emit_iterative_drop_fn_for_type): for a drop_iterative type, drop_<m>_<T>(ptr %p) emits a worklist loop. Fields of the SAME annotated type push onto the worklist (mono-typed); fields of DIFFERENT types call their own drop fn directly (recursive on those, but only if THEY are themselves recursive — i.e. one level of cascade jump maximum). Mono-typed-worklist is sound for the deep-self- recursion case the iter targets (List of List of T just needs the spine flattened). Tests: - examples/rc_drop_iterative_long_list — 1M-cell List of Int with (drop-iterative) annotation. - alloc_rc_drop_iterative_handles_million_cell_list E2E — builds + runs under --alloc=rc, asserts clean exit. With annotation: exits 0. Without annotation (control): SIGSEGV at exit code 139 (verified by hand). Worklist is load- bearing. - iter18e_drop_iterative_emits_worklist_body_no_self_recursion IR-shape: worklist body has br to loop_head AND no direct recursive call into drop_<m>_<T>. - iter18e_no_annotation_keeps_recursive_drop_body — control: unannotated variant still emits the 18c.4 recursive shape. - 3 surface parse-tests for the annotation round-trip. Test deltas: e2e 58 -> 61 (+3), surface 18 -> 21 (+3). All other buckets unchanged. cargo test --workspace green. Known debt (deliberate): - Mono-typed worklist: cross-type drop-iterative fields call the other type's drop fn directly. A heterogeneous worklist would be more general but adds tag tracking complexity for a case (drop-iterative T containing drop-iterative T') that's narrower than the deep-self- recursion target. Documented in emit_iterative_drop_fn_for_type's doc. - Closure / Type::Var / Type::Forall fields fall back to shallow ailang_rc_dec via field_drop_call — same as the recursive variant. - Dynamic-tag partial-drop fallback (head_or_zero epilogue shallow dec when moved_slots non-empty) — out of scope per brief. |
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73545ab086 |
Iter 18d.2: codegen reuse-as in-place rewrite under --alloc=rc
Lowers Term::ReuseAs { source, body=Term::Ctor } under
--alloc=rc to a runtime refcount-1 dispatch. At the reuse-as
site:
%hdr_ptr = getelementptr i8, ptr %src, i64 -8
%refcnt = load i64, ptr %hdr_ptr
%is_one = icmp eq i64 %refcnt, 1
br i1 %is_one, label %reuse, label %fresh
The reuse arm overwrites the source's box in place: stores the
new tag at offset 0 and the new field values at offsets 8, 16,
... — no malloc, no outer drop. The fresh arm allocates a brand-
new box via ailang_rc_alloc, stores tag and fields, then shallow-
dec's the source. Both arms phi-join to the same `ptr` result.
Other allocators (gc, bump) keep 18d.1's identity behaviour
unchanged.
Static shape compatibility is enforced by a new pre-codegen
pass crates/ailang-check/src/reuse_shape.rs. It tracks the
path-resolved ctor of every let-bound and pattern-matched
binder, then checks each Term::ReuseAs site against the body's
ctor. Mismatches emit reuse-as-shape-mismatch with stable
ctx.reason sub-codes (field-count-mismatch, field-type-mismatch,
indeterminate-source-ctor, cross-module-body-ctor, ctor-not-in-
module) and a drop-the-wrapper SuggestedRewrite. Build fails on
mismatch — the structured diagnostic tells the author whether
to fix the shapes or remove the hint.
Field-cleanup design — deliberate scope cut:
The reuse arm does NOT dec the old pointer-typed field values
before overwriting them. Doing so on the canonical fixture
`(reuse-as xs (Cons (+h 1) (map_inc t)))` causes use-after-free:
the recursive map_inc(t) returns t's in-place-rewritten box, so
the "new tail" being stored is the same pointer as the "old
tail". A dec-old-then-store-new schedule would dec the box (to
zero, free), then store the freed pointer.
The root cause is upstream: 18c.4 doesn't yet null-out pattern-
moved field slots, so codegen can't statically distinguish
"old field still owned" from "already moved out". The chosen
trade-off: skip the field dec entirely; pattern-wildcarded
fields (rare in shipping fixtures) leak; pattern-moved fields
are the body's responsibility (consistent with the 18c.4 leak
baseline — Own params still leak today). 18d.2 ships zero
regression vs 18c.4, plus the perf win on the alloc + outer
cascade. Closing the leak is the move-aware-pattern story
queued for 18d.3 / 18e.
Tests:
- e2e reuse_as_demo_under_rc_uses_inplace_rewrite — runs
examples/reuse_as_demo.ail.json under --alloc=rc, asserts
stdout 9 and locks in the IR shape (icmp eq i64 ..., 1; the
reuse arm has no @ailang_rc_alloc call).
- workspace reuse_as_shape_mismatch_is_reported_on_cons_to_nil
— happy negative for the new diagnostic.
- 3 unit tests in reuse_shape::tests covering same-ctor-clean,
cons-to-nil-reject, and indeterminate-source-ctor-reject.
Test deltas: e2e 56, ailang-check unit 46 -> 49 (+3), workspace
9 -> 10 (+1). cargo test --workspace green. Hand-verified
--alloc=rc binary on reuse_as_demo: stdout 9, exit 0.
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74379b29e5 |
Iter 18d.1: Term::ReuseAs schema + linearity check
Schema floor for explicit reuse hints. Adds Term::ReuseAs
{ source: Box<Term>, body: Box<Term> } with serde tag "reuse-as",
form-A (reuse-as <source> <body>). Schema choice (wrapper, not
modifier-on-Ctor) and rationale recorded in DESIGN.md.
Codegen is identity under all --alloc strategies — lower body,
drop source on the floor. Iter 18d.2 will lower this as the
in-place rewrite under --alloc=rc.
User-facing diagnostics:
- typecheck reuse-as-non-allocating-body: body must be a
Term::Ctor or Term::Lam, the two AST shapes that allocate.
Other shapes (literal, var, app, ...) emit this with a
suggested_rewrite that drops the wrapper.
- linearity reuse-as-source-not-bare-var: source must be a
Term::Var referring to an in-scope binder. Anything else
(literal, nested expression) is rejected here. Suggested
rewrite drops the wrapper.
- linearity use-after-consume at a reuse-as site: source must
not have been consumed earlier in the body. Suggested rewrite
drops the wrapper.
- Visiting reuse-as marks source consumed for the rest of the
body, so a subsequent use of the same binder flags
use-after-consume against it.
Uniqueness inference treats source as Consume — the consume
shows up in the side table for the codegen consumer.
Tests:
- 4 surface parse-tests (round-trip, no-args, one-arg, full
parse_term/term_to_form_a round-trip).
- 1 typecheck unit test (non-allocating body).
- 2 linearity unit tests (non-var source, after-consume).
- 1 integration test (happy-path map_inc in all-explicit mode
is linearity-clean).
- 1 E2E test running the canonical map_inc-via-reuse-as fixture
under --alloc=gc, asserting stdout 9.
- New fixture examples/reuse_as_demo.{ailx,ail.json}.
Test deltas: E2E 55 -> 56, ailang-check unit 43 -> 46,
ailang-check workspace 8 -> 9, surface 14 -> 18. cargo test
--workspace green. No existing fixture's canonical JSON changed.
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09fb5bb113 |
Iter 18c.2: linearity check + suggested_rewrites
Adds a per-fn linearity check that runs on every fn whose param_modes are all explicit (Borrow or Own, no Implicit), tracks each binder's consume/borrow state through the AST, and emits two diagnostics with form-A `suggested_rewrites`: - `use-after-consume` — a binder is referenced after it has already been consumed. - `consume-while-borrowed` — a binder is consumed while a borrow of it is still live (sibling arg slot, or an enclosing-fn Borrow param). Fns with any Implicit param skip the check entirely; that's the back-compat lane that keeps every existing fixture green. Pure diagnostic addition: no IR change, no codegen change, no runtime change. Each diagnostic carries a non-empty `suggested_rewrites` whose `replacement` is form-A AILang text (typically `(clone <name>)`). Adds two new public entrypoints to ailang-surface — `parse_term` and `term_to_form_a` — so the round-trip `parse_term(term_to_form_a(t)) ≡ t` is the contract every emitted replacement must satisfy. Tests assert the contract. Linearity pass runs only on modules that typechecked clean (any upstream typecheck error suppresses it for that module — running on partly-defined IR would produce noise). Tests: 3 unit tests in `linearity::tests`, 3 integration tests in `ailang-check/tests/workspace.rs`, 1 serialisation test in `diagnostic.rs`. `cargo test --workspace` green. |
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b9ca8894a5 |
Iter 18a: (borrow T) / (own T) mode annotations on fn signatures
Adds form-A surface (borrow T) / (own T) wrappers in fn-type
params and ret slots. Internally these are not new Type variants
but per-position metadata on Type::Fn:
Type::Fn { params, param_modes, ret, ret_mode, effects }
enum ParamMode { Implicit, Own, Borrow }
This keeps Type itself unchanged, so unification, occurs, apply,
and ~190 other Type match-arms in the typechecker need no new
branch. Fields use serde skip-if-default predicates so canonical
JSON hashes for every pre-18a fixture stay bit-identical (sum,
list, hof, closure, list_map, etc.: zero diff under git).
Iter 18a is purely additive: typechecker treats modes as
transparent (mode-compat check deferred to 18c), no codegen
change (--alloc=gc / Boehm path unchanged), no linearity
enforcement. The annotation info flows into the JSON side-table
that 18c will consume.
Equality of mode slices is length-tolerant: a vec![] (the form
written by mechanically-updated construction sites that elide
modes) compares equal to vec![Implicit; n]. This kept the patch
from being a 100-site mechanical migration through the
typechecker. 18c will choose: keep the slack, or normalise to
full-length on construction.
New fixture examples/borrow_own_demo.{ailx,ail.json} exercises
both modes. list_length declares (borrow (con List)); sum_list
declares (own (con List)). Stdout: 3 then 6.
Documentation: DESIGN.md schema-additions block clarified that
modes are Type::Fn metadata (not Type variants); migration plan
flag rename --memory=rc → --alloc=rc to match the existing CLI
flag.
Verification:
- cargo build --workspace green
- cargo test --workspace green (154 tests, +1 vs baseline 153)
- git diff examples/{sum,list,hof,closure,list_map,...}.ail.json: empty
- borrow_own_demo runtime stdout: "3\n6\n"
- canonical JSON contains "param_modes":["borrow"] and ["own"]
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d64031c234 |
Iter 14e: explicit, verified tail calls
Decision 8 ships. Term::App and Term::Do gain tail: bool with serde-default false and skip-when-false serialisation. New typecheck pass verify_tail_positions enforces tail-position rules (Scheme-style propagation through match arms, seq.rhs, let body, lam body). Codegen emits musttail call for marked App calls. Hash invariance verified: only the two migrated print_list defs (list_map_poly.print_list, sort.print_list) changed hashes; all other defs across all 18 fixtures kept bit-identical hashes — confirms the skip-when-false serialisation rule works. Tests 76 -> 79: tail_call_in_non_tail_position_is_rejected, tail_call_in_tail_position_is_accepted, plus an IR-grep e2e test asserting that print_list's recursive call site emits musttail in the lowered IR. Existing 25 e2e tests unchanged in behaviour (map -> [2,3,4], sort -> sorted list). IR evidence at the recursive site: %v7 = musttail call i8 @ail_list_map_poly_print_list(ptr %v6) ret i8 %v7 Two deviations called out in the implementer report and JOURNAL: 1. tail-do uses tail call, not musttail. Cross-type return (runtime helpers return i32, AILang Unit is i8) would have LLVM reject musttail. Path is implemented but not exercised by any current fixture; proper fix is runtime-helper signature change, punted. 2. block_terminated flag in codegen so tail-call emit (musttail call + ret) doesn't get a duplicate trailing ret from surrounding code (match-arm phi, fn-body, lambda thunk). Internal plumbing; required for IR well-formedness. Form (A) productions now at ~30, exactly the constraint-1 budget. Future surface additions need to retire something or explicit-budget-rebalance in DESIGN.md. GC notes from implementer survey land in JOURNAL: - Allocations cluster in lower_ctor; every term-ctor does malloc(8+8n). - Tail recursion does not reduce alloc pressure, only stack. For map-style ctor-blocked recursions, allocation IS the bottleneck. - Per-fn arena is sound only when fn return type contains no boxed ADT. Most current fixtures violate this. Plan 14f: Boehm conservative GC (GC_malloc, -lgc) as a first cut. Single-iter integration, no AST/schema change. Stress test: build a 100k Cons list, observe RSS doesn't blow up. After 14f the language is feature-complete enough for stdlib work (15a). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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1a448309fa |
Iter 6: deps hardening, multi-diagnose, DESIGN audit
- ail deps now filters builtins, fn params, and let/match-pattern bindings. New value_names() in ailang-check::builtins is the single source of truth shared with the typechecker install path. walk_term threads a scope set; qualified `prefix.def` refs pass through. - check_in_workspace returns Vec<CheckError>; check_workspace accumulates body diagnostics across defs and modules. Pass-1 (top-level symbol table) and per-module type-def setup stay fail-fast — corrupt env would taint later diagnostics. - DESIGN.md "What the MVP is NOT" was lying (ADTs, strings landed in Iter 2/3). Renamed to "What is not (yet) supported" and split into "not yet" + supported/smoke-tested. JOURNAL Iter 6 entry records the architecture self-check. Tests: 47 green (was 44). +2 deps filter tests in e2e, +1 multi-diagnose test in ailang-check workspace integration. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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7577ab8a90 |
Translate project content to English
Make English the project-wide language: all comments, string literals, CLI help text, design docs, journal, agent prompts, and README. Only CLAUDE.md (the user's own instruction file) stays German, and the live conversation between user and Claude continues in German. Adds a new "Project language: English" section to docs/DESIGN.md as the durable convention. No logic changes — translation only. Four internal error strings in the typechecker were retranslated; no test asserts on their wording. Verified: cargo test --workspace passes (44/44). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |