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Lawrence Bethlenfalvy
2023-02-03 14:40:34 +00:00
parent a500f8b87a
commit 3c63cae242
63 changed files with 3227 additions and 2850 deletions
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46
src/parse/enum_parser.rs
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@@ -6,27 +6,27 @@
/// ```
#[macro_export]
macro_rules! enum_parser {
($p:path | $m:tt) => {
{
::chumsky::prelude::filter_map(|s, l| {
if let $p(x) = l { Ok(x) }
else { Err(::chumsky::prelude::Simple::custom(s, $m))}
})
}
};
($p:path >> $q:path; $i:ident) => {
{
use $p as srcpath;
use $q as tgtpath;
enum_parser!(srcpath::$i | (concat!("Expected ", stringify!($i)))).map(tgtpath::$i)
}
};
($p:path >> $q:path; $($i:ident),+) => {
{
::chumsky::prelude::choice((
$( enum_parser!($p >> $q; $i) ),+
))
}
};
($p:path) => { enum_parser!($p | (concat!("Expected ", stringify!($p)))) };
($p:path | $m:tt) => {
{
::chumsky::prelude::filter_map(|s, l| {
if let $p(x) = l { Ok(x) }
else { Err(::chumsky::prelude::Simple::custom(s, $m))}
})
}
};
($p:path >> $q:path; $i:ident) => {
{
use $p as srcpath;
use $q as tgtpath;
enum_parser!(srcpath::$i | (concat!("Expected ", stringify!($i)))).map(tgtpath::$i)
}
};
($p:path >> $q:path; $($i:ident),+) => {
{
::chumsky::prelude::choice((
$( enum_parser!($p >> $q; $i) ),+
))
}
};
($p:path) => { enum_parser!($p | (concat!("Expected ", stringify!($p)))) };
}