76 lines
2.1 KiB
Rust
76 lines
2.1 KiB
Rust
use crate::*;
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// -----------------------------------------------------------------------------
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay3(s: Span) -> IResult<Span, Delay3> {
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alt((delay3_single, delay3_mintypmax))(s)
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}
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay3_single(s: Span) -> IResult<Span, Delay3> {
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let (s, a) = symbol("#")(s)?;
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let (s, b) = delay_value(s)?;
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Ok((s, Delay3::Single(Box::new(Delay3Single { nodes: (a, b) }))))
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}
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay3_mintypmax(s: Span) -> IResult<Span, Delay3> {
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let (s, a) = symbol("#")(s)?;
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let (s, b) = paren(pair(
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mintypmax_expression,
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opt(triple(
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symbol(","),
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mintypmax_expression,
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opt(pair(symbol(","), mintypmax_expression)),
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)),
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))(s)?;
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Ok((
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s,
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Delay3::Mintypmax(Box::new(Delay3Mintypmax { nodes: (a, b) })),
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))
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}
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay2(s: Span) -> IResult<Span, Delay2> {
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alt((delay2_single, delay2_mintypmax))(s)
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}
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay2_single(s: Span) -> IResult<Span, Delay2> {
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let (s, a) = symbol("#")(s)?;
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let (s, b) = delay_value(s)?;
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Ok((s, Delay2::Single(Box::new(Delay2Single { nodes: (a, b) }))))
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}
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay2_mintypmax(s: Span) -> IResult<Span, Delay2> {
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let (s, a) = symbol("#")(s)?;
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let (s, b) = paren(pair(
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mintypmax_expression,
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opt(pair(symbol(","), mintypmax_expression)),
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))(s)?;
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Ok((
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s,
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Delay2::Mintypmax(Box::new(Delay2Mintypmax { nodes: (a, b) })),
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))
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}
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#[tracable_parser]
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#[packrat_parser]
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pub(crate) fn delay_value(s: Span) -> IResult<Span, DelayValue> {
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alt((
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map(keyword("1step"), |x| DelayValue::Step1(Box::new(x))),
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map(time_literal, |x| DelayValue::TimeLiteral(Box::new(x))),
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map(unsigned_number, |x| DelayValue::UnsignedNumber(Box::new(x))),
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map(real_number, |x| DelayValue::RealNumber(Box::new(x))),
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map(ps_identifier, |x| DelayValue::PsIdentifier(Box::new(x))),
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))(s)
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}
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