ecma-lex-cat vs ecma-syntax-cat vs ecma-parse-cat

ECMAScript lexer producing Spanned<Token> values for ecma-syntax-cat. ES2024 token surface (keywords, punctuators, all numeric forms, template literals with interpolation, regex literals with last-token disambiguation, ASCII identifiers). No panics, no Rc, no interior mutability.

ECMAScript abstract syntax tree as comp-cat-rs-idiomatic Rust types. ESTree-shaped, ES2024-complete, no panics, no Rc, no interior mutability. Foundation crate for boa-cat and related downstream tooling.

ECMAScript parser consuming ecma-lex-cat tokens and producing ecma-syntax-cat Program ASTs. Comprehensive ES2024 surface (classes, modules, destructuring, async/await, optional chaining, templates). Recursive-descent with precedence climbing.