Frontend crates

Text in, resolved names out.

.vl → vl-lex → vl-syntax → vl-semantic

Topics

vl-common

Span, Sources, and the Ariadne-backed Diagnostic. Every crate builds on it.

vl-lex

A hand-rolled tokenizer that never panics. Stub: the token table.

vl-syntax

A recursive-descent parser and its tree, with per-item recovery. Stub: the node catalogue and grammar notes.

vl-semantic

Scope resolution: undefined names and duplicate definitions. Stub: the resolution rules.