pub mod call;
pub mod compilation_unit;
pub mod expression;
pub mod function;
pub mod identifier;
pub mod integer_literal;
pub mod let_statement;
pub mod statement;
pub mod string_literal;

#[cfg(test)]
mod name_tests {
    use crate::parser::parse_compilation_unit;
    use crate::symbol_table::SymbolTable;

    #[test]
    fn smoke_screen() {
        let mut symbol_table = SymbolTable::new();
        let mut compilation_unit =
            parse_compilation_unit("fn println() end fn main() let x = 42 println(x) end");
        assert_eq!(
            compilation_unit
                .gather_declared_names(&mut symbol_table)
                .len(),
            0
        );
        assert_eq!(compilation_unit.check_name_usages(&symbol_table).len(), 0);
    }

    #[test]
    fn get_some_diagnostics() {
        let mut symbol_table = SymbolTable::new();
        let mut compilation_unit = parse_compilation_unit("fn main() notDefined(uhOh) end");
        assert_eq!(
            compilation_unit
                .gather_declared_names(&mut symbol_table)
                .len(),
            0
        );
        let name_usage_diagnostics = compilation_unit.check_name_usages(&symbol_table);
        assert_eq!(name_usage_diagnostics.len(), 2);
    }
}