Elamur Groupantscycle-main-parser-input
The groupant beside tools/cycle/src/main.rs in the Mova repository: what the code computes, what it never does, how to go back from its outputs, its invariants, cost and checks.
Facts
Implementation material. A Mova code model describes this code at one source revision: partial models, finite checks and their stated scope. It is not a reviewed general exposition, and its labels are shown as written, never raised.
Components
| component | label | where |
|---|---|---|
| approximant | partial | approximant |
| ast | partial | ../syntax.json |
| cost | partial | invariant-and-cost |
| descriptant | present | descriptant |
| invariant | partial | invariant-and-cost |
| tests | bounded or representation | tests |
Obernants
The typed relations around the forward model: the behaviour complement (what the code never does), the reverse reconstruction (every input compatible with an output) and specialised views.
| id | type | label | where |
|---|---|---|---|
behavior_complement | behavior_complement | partial source derived model | behavior_complement |
reverse_reconstruction | reverse_reconstruction | partial source derived model | reverse_reconstruction |
sentinel_flush | sentinel_flush | partial source derived model | sentinel_flush |
row_filter | row_filter | partial source derived model | row_filter |
effect_order | effect_order | partial source derived model | effect_order |
cardinality_only | cardinality_only | partial source derived model | cardinality_only |
Model text
descriptant
cycle-main-parser-input
Epoch 2026-10-31
Prospective inspection identified this relation before additions: Create in/out/log, collect sent_ids and ten-column ordinary-row forms, flush nonempty groups on blank line plus sentinel, check equal count, write ids then tokens.
The production implementation is unchanged; only selected inline tests are appended. Source-bound syntax is generated twice and compared. Native checks exercise bounded helpers; entry orchestration, teacher calls, models and corpora remain source-derived. Partial syntax is not semantic proof. Preserve failure prefixes and ambiguity when refining this model.
approximant
Forward relation
Create in/out/log, collect sent_ids and ten-column ordinary-row forms, flush nonempty groups on blank line plus sentinel, check equal count, write ids then tokens.
Composition
This fragment isolates the stated helper relation; parent composition retains surrounding effects and failures.
catalog
Typed observations: cycle-main-parser-input
Subject: tools/cycle/src/main.rs, SHA-256 c901ffdda1a67fa69ed553c5d0c8e7e83d1aa0c23ce8a7bc74d53f30e5c5b108. Domain: bounded source inputs, declared filesystem/environment state and normal allocations. Each view is a partial source-derived relation, not a universal proof. Observation is one helper call or the explicitly described trace. Checks are in tests.md; unexecuted effects remain gaps.
behavior_complement
Count mismatch cannot return Ok or write new ids/tokens. Preexisting files are not deleted.
Scope: the bound source interval and stated assumptions. Evidence: source inspection plus the checks explicitly named in tests.md; no finite check establishes all inputs.
reverse_reconstruction
ids/tokens admit arbitrary omitted comments, lemmas/features/heads and excluded rows. Joining forms with spaces loses embedded whitespace distinctions.
Scope: the bound source interval and stated assumptions. Evidence: source inspection plus the checks explicitly named in tests.md; no finite check establishes all inputs.
sentinel_flush
Trailing nonempty group flushes without final blank line; repeated blank lines do not add empty sentences.
Scope: the bound source interval and stated assumptions. Evidence: source inspection plus the checks explicitly named in tests.md; no finite check establishes all inputs.
row_filter
Exactly ten columns and id lacking '-' or '.' suffice; numeric positivity is not checked.
Scope: the bound source interval and stated assumptions. Evidence: source inspection plus the checks explicitly named in tests.md; no finite check establishes all inputs.
effect_order
Three mkdir operations precede parsing; ids write precedes tokens write, so failure can expose partial pair.
Scope: the bound source interval and stated assumptions. Evidence: source inspection plus the checks explicitly named in tests.md; no finite check establishes all inputs.
cardinality_only
Matching ids and groups count does not establish each id occurs before corresponding group; malformed metadata ordering can pass.
Scope: the bound source interval and stated assumptions. Evidence: source inspection plus the checks explicitly named in tests.md; no finite check establishes all inputs.
tests
Checks and limits
tests::parser_input_matches_ids covers two groups and mismatch; compiled cardinality mutant should fail.
Exact native outcomes and command metadata are retained in the external wave33 cycle receipt bundle. Selected names run twice in debug and release; syntax is independently regenerated twice. Compiled mutations and source restoration receipts distinguish behavior changes from assertion-only controls. These claims are finalized in evidence.md. No live teacher, real model/corpus, benchmark CLI or lesson-learning CLI is run.
invariant-and-cost
Invariant and cost
Bad count returns error after dirs exist and before two writes. Multiword/range/empty-node ids omitted.
O(input bytes), O(ids+tokens) allocations and output I/O.
No executable percentage surrogate is claimed: effects, categorical acceptance and report text have no justified approximate metric here. Future profiles require a useful metric, zero case, reference and evidence at caps 1/2/5/10%.
This page in Markdown → https://md.groupants.elamur.ai/free/en/mova/tools/cycle/src/main.rs.groupant/parser-input.groupant/