{"id":"interpreter-one-class-per-grammar-rule","text":"In the Interpreter pattern, each rule in the grammar maps to a class: terminal symbols become TerminalExpression classes and nonterminal symbols become NonterminalExpression classes with instance variables for the right-hand-side symbols.","truth_value":"IN","source":"entries/2026/06/17/gof-oo-chunk-16.md","source_url":"","source_hash":"","justifications":[],"dependents":["interpreter-grammar-class-mapping-validates-one-class-per-rule-design"],"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":"interpreter-one-class-per-grammar-rule","truth_value":"IN","reason":"premise"}]}}