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proc: working command, expose

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🪞👃🪞 2025-05-08 13:46:29 +03:00
parent 751e01a41e
commit 046be9a9e1
2 changed files with 24 additions and 13 deletions
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32
proc/src/proc_expose.rs
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@ -70,23 +70,31 @@ impl ToTokens for ExposeImpl {
out.append(token);
}
for (t, variants) in exposed.iter() {
let predefined = match format!("{}", quote! { #t }).as_str() {
"bool" => vec![
quote! { ::tengri::dsl::Value::Sym(":true") => true },
quote! { ::tengri::dsl::Value::Sym(":false") => false },
],
let formatted_type = format!("{}", quote! { #t });
let predefined = match formatted_type.as_str() {
"bool" => quote! {
::tengri::dsl::Value::Sym(":true") => true,
::tengri::dsl::Value::Sym(":false") => false,
},
"u8" | "u16" | "u32" | "u64" | "usize" |
"i8" | "i16" | "i32" | "i64" | "isize" => vec![
quote! { ::tengri::dsl::Value::Num(n) => *n },
],
_ => vec![],
"i8" | "i16" | "i32" | "i64" | "isize" => {
let num_err = LitStr::new(
&format!("{{n}}: failed to convert to {formatted_type}"),
Span::call_site()
);
quote! {
::tengri::dsl::Value::Num(n) => TryInto::<#t>::try_into(*n)
.unwrap_or_else(|_|panic!(#num_err)),
}
},
_ => quote! {},
};
let values = variants.iter().map(|(k, v)|ExposeArm(k.clone(), v.clone()));
let trait_impl = quote! {
impl ::tengri::dsl::Context<#t> for #target {
fn get (&self, dsl: &::tengri::dsl::Value) -> Option<#t> {
Some(match dsl {
#(#predefined,)*
#predefined
#(#values,)*
_ => return None
})
@ -97,9 +105,9 @@ impl ToTokens for ExposeImpl {
out.append(token);
}
}
//if exposed.len() > 0 {
if exposed.len() > 0 {
//panic!("{}", quote! {#out});
//}
}
}
}