2019-07-26 20:13:57 +09:00

101 lines
2.4 KiB
Rust

use crate::*;
// -----------------------------------------------------------------------------
#[packrat_parser]
#[tracable_parser]
pub(crate) fn unary_operator(s: Span) -> IResult<Span, UnaryOperator> {
let (s, a) = alt((
symbol("+"),
symbol("-"),
symbol("!"),
symbol("&"),
symbol("|"),
symbol("~&"),
symbol("~|"),
symbol("~^"),
symbol("^~"),
symbol("^"),
symbol("~"),
))(s)?;
Ok((s, UnaryOperator { nodes: (a,) }))
}
#[tracable_parser]
pub(crate) fn binary_operator(s: Span) -> IResult<Span, BinaryOperator> {
let (s, a) = alt((
alt((
symbol("+"),
symbol("->"),
symbol("-"),
symbol("**"),
symbol("*"),
symbol("/"),
symbol("%"),
symbol("==="),
symbol("==?"),
symbol("=="),
symbol("!=="),
symbol("!=?"),
symbol("!="),
symbol("&&"),
symbol("||"),
)),
alt((
symbol("&"),
symbol("|"),
symbol("^~"),
symbol("^"),
symbol("~^"),
symbol(">>>"),
symbol(">>"),
symbol("<<<"),
symbol("<<"),
symbol("<->"),
symbol("<="),
symbol("<"),
symbol(">="),
symbol(">"),
)),
))(s)?;
Ok((s, BinaryOperator { nodes: (a,) }))
}
#[tracable_parser]
pub(crate) fn inc_or_dec_operator(s: Span) -> IResult<Span, IncOrDecOperator> {
let (s, a) = alt((symbol("++"), symbol("--")))(s)?;
Ok((s, IncOrDecOperator { nodes: (a,) }))
}
#[tracable_parser]
pub(crate) fn unary_module_path_operator(s: Span) -> IResult<Span, UnaryModulePathOperator> {
let (s, a) = alt((
symbol("!"),
symbol("&"),
symbol("|"),
symbol("~&"),
symbol("~|"),
symbol("~^"),
symbol("^~"),
symbol("^"),
symbol("~"),
))(s)?;
Ok((s, UnaryModulePathOperator { nodes: (a,) }))
}
#[tracable_parser]
pub(crate) fn binary_module_path_operator(s: Span) -> IResult<Span, BinaryModulePathOperator> {
let (s, a) = alt((
symbol("=="),
symbol("!="),
symbol("&&"),
symbol("||"),
symbol("&"),
symbol("|"),
symbol("^~"),
symbol("^"),
symbol("~^"),
))(s)?;
Ok((s, BinaryModulePathOperator { nodes: (a,) }))
}