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extact dsl_token; flip Dsl; try to obviate ViewContext

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🪞👃🪞 2025-05-20 16:27:05 +03:00
parent f08593f0f8
commit f797a7143d
12 changed files with 264 additions and 209 deletions
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32
proc/src/proc_view.rs
View file

@ -64,12 +64,39 @@ impl ToTokens for ViewDef {
}
}
/// Generated by [tengri_proc].
impl<'state> ::tengri::dsl::FromDsl<'state, #view> for ::tengri::output::RenderBox<'state, #output> {
impl<'state> ::tengri::dsl::FromDsl<'state, #view>
for ::tengri::output::RenderBox<'state, #output> {
fn take_from <'source: 'state> (
state: &'state #view,
token: &mut ::tengri::dsl::TokenIter<'source>
) -> Perhaps<Self> {
Ok(match token.peek() { #(#exposed)* _ => None })
Ok(match token.peek() {
Some(::tengri::dsl::Token {
::tengri::dsl::value: Value::Exp(exp), ..
}) => {
let value: Option<$T> = FromDsl::take_from($s, $dsl)?;
if let Some(value) = value {
return Ok(Some(value.boxed()))
}
try_delegate!(self, iter, When::<RenderBox<'state, E>>);
try_delegate!(self, iter, Either::<RenderBox<'state, E>, RenderBox<'state, E>>);
try_delegate!(self, iter, Align::<RenderBox<'state, E>>);
try_delegate!(self, iter, Bsp::<RenderBox<'state, E>, RenderBox<'state, E>>);
try_delegate!(self, iter, Fill::<RenderBox<'state, E>>);
try_delegate!(self, iter, Fixed::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Min::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Max::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Shrink::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Expand::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Push::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Pull::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Margin::<_, RenderBox<'state, E>>);
try_delegate!(self, iter, Padding::<_, RenderBox<'state, E>>);
None
},
#(#exposed),*
_ => None
})
}
}
} {
@ -135,6 +162,5 @@ impl ToTokens for ViewArm {
out.append(Group::new(Delimiter::Parenthesis, TokenStream2::new()));
out
}));
out.append(Punct::new(',', Alone));
}
}