Function handle_statement

pub fn handle_statement(
    statement: &Loc<Statement>,
    ctx: &mut Context<'_>,
    name_map: &mut BTreeMap<NameID, NameID>,
    statements: &mut StatementList,
    clock: &Loc<NameID>,
    local_conds: &mut Vec<Option<ValueName>>,
    stage_enable_names: &mut Vec<Option<ValueName>>,
    current_stage: &mut usize,
) -> Result<()>