Method parse_dim_as

core/src/parser.rs:534–552

Parses the `AS typename` clause of a `DIM` statement. The caller has already consumed the `AS` token.

(&mut self)

    /// Parses the `AS typename` clause of a `DIM` statement.  The caller has already consumed the
    /// `AS` token.
    fn parse_dim_as(&mut self) -> Result<(ExprType, LineCol)> {
        let peeked = self.lexer.peek()?;
        let (vtype, vtype_pos) = match peeked.token {
            Token::Eof | Token::Eol => (ExprType::Integer, peeked.pos),
            Token::As => {
                self.lexer.consume_peeked();
                self.parse_as_type()?
            }
            _ => return Err(Error::Bad(peeked.pos, "Expected AS or end of statement".to_owned())),
        };

        let next = self.lexer.peek()?;
        match &next.token {
            Token::Eof | Token::Eol => (),
            t => return Err(Error::Bad(next.pos, format!("Unexpected {} in DIM statement", t))),
        }

        Ok((vtype, vtype_pos))
    }

    /// Parses a `DIM` statement.
    fn parse_dim(&mut self) -> Result<Statement> {