{"id":"visitor-recommended-for-interpreter-extension","text":"When many operations are needed on an Interpreter's AST (type-checking, optimization, code generation), the Visitor pattern is recommended to avoid modifying grammar classes — each new interpretation becomes a separate Visitor.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-16.md","source_url":"","source_hash":"","justifications":[],"dependents":["interpreter-primary-client-of-recursive-subsystem"],"metadata":{"last_premise_reviewed":"2026-06-17T18:19:22","premise_review_result":"pass"},"created_at":"2026-06-17T21:30:28+00:00","updated_at":"2026-06-17T21:30:28+00:00","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"visitor-recommended-for-interpreter-extension","truth_value":"IN","reason":"premise"}]}}