Package-level declarations

A simple interface where validators can report found problems.

Validates that "record" cannot be used as identifier for type declarations (e.g., classes, enums, and records).

Validates that identifiers are not keywords - this for the few keywords that the parser accepts because they were added after Java 1.0.

Runs a validator on all nodes of a certain type, and adds a problem for all nodes that pass a condition.

Runs a validator on all nodes of a certain type.

A validator that walks the whole tree, visiting every node.

A validator that validates a known node type.

A validator that can be run on a node to check for semantic errors.

A validator that will call a collection of validators.

A validator that uses a visitor for validation.