Rules

Each lint rule walks the parsed AST looking for a specific pattern. When a rule fires it produces a Diagnostic — the source range, a message, and (when applicable) a machine-applicable Fix that replaces a byte range with new text.

Fixes are byte-level text replacements, not AST rewrites. That means a fix only touches the affected source range and leaves the surrounding formatting alone. Once --fix has been applied the user is expected to run the monkey-c-formatter if they want whitespace normalised.

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