Function parse_interval_expression

crates/gitql-parser/src/parse_interval.rs:14–38

(
    tokens: &[Token],
    position: &mut usize,
)

const INTERVAL_MAX_VALUE: i64 = 170_000_000;

pub(crate) fn parse_interval_expression(
    tokens: &[Token],
    position: &mut usize,
) -> Result<Box<dyn Expr>, Box<Diagnostic>> {
    consume_token_or_error(
        tokens,
        position,
        TokenKind::Interval,
        "Expect 'Interval' Keyword",
    )?;

    let interval_value_token = consume_conditional_token_or_errors(
        tokens,
        position,
        |t| matches!(t.kind, TokenKind::String(_)),
        "Expect String after 'Interval' Keyword as interval value",
    )?;

    let interval = parse_interval_literal(
        &interval_value_token.to_string(),
        interval_value_token.location,
    )?;

    Ok(Box::new(IntervalExpr::new(interval)))
}

/// Parse string into Interval expression.
///