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Parsing!

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This commit is contained in:
Lawrence Bethlenfalvy
2025-02-10 20:54:32 +01:00
parent 40c5eaf3d5
commit 9d744550c1
6 changed files with 44 additions and 15 deletions
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15
orchid-host/src/expr.rs
View File

@@ -76,19 +76,24 @@ impl Format for Expr {
ExprKind::Call(f, x) => tl_cache!(Rc<Variants>: Rc::new(Variants::default()
.unbounded("{0} {1l}")
.bounded("({0} {1b})")))
.units([f.print(c).await, x.print(c).await]),
.units([
print_expr(f, c, visited).boxed_local().await,
print_expr(x, c, visited).boxed_local().await,
]),
ExprKind::Const(c) => format!("{c}").into(),
ExprKind::Lambda(None, body) => tl_cache!(Rc<Variants>: Rc::new(Variants::default()
.unbounded("\\.{0l}")
.bounded("(\\.{0b})")))
.units([body.print(c).await]),
.units([print_expr(body, c, visited).boxed_local().await]),
ExprKind::Lambda(Some(path), body) => tl_cache!(Rc<Variants>: Rc::new(Variants::default()
.unbounded("\\{0b}. {1l}")
.bounded("(\\{0b}. {1b})")))
.units([format!("{path}").into(), body.print(c).await]),
.units([format!("{path}").into(), print_expr(body, c, visited).boxed_local().await]),
ExprKind::Seq(l, r) =>
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("[{0b}]{1l}")))
.units([l.print(c).await, r.print(c).await]),
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("[{0b}]{1l}"))).units([
print_expr(l, c, visited).boxed_local().await,
print_expr(r, c, visited).boxed_local().await,
]),
}
}
}

18
orchid-host/src/tree.rs
View File

@@ -91,6 +91,15 @@ impl Format for Item {
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("macro {{\n\t{0}\n}}")))
.units([Variants::sequence(rules.len(), "\n", None)
.units(join_all(rules.iter().map(|r| r.print(c))).await)]),
ItemKind::Member(mem) => match mem.kind.get() {
None => format!("lazy {}", mem.name).into(),
Some(MemberKind::Const(val)) =>
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("const {0} = {1}")))
.units([mem.name.rc().into(), val.print(c).await]),
Some(MemberKind::Mod(module)) =>
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("module {0} {{\n\t{1}\n}}")))
.units([mem.name.rc().into(), module.print(c).boxed_local().await]),
},
_ => panic!(),
};
tl_cache!(Rc<Variants>: Rc::new(Variants::default().bounded("{0}\n{1}")))
@@ -164,6 +173,15 @@ impl Module {
)
}
}
impl Format for Module {
async fn print<'a>(&'a self, c: &'a (impl FmtCtx + ?Sized + 'a)) -> FmtUnit {
let import_str = self.imports.iter().map(|i| format!("import {i}")).join("\n");
let head_str = format!("{import_str}\nexport ::({})\n", self.exports.iter().join(", "));
Variants::sequence(self.items.len() + 1, "\n", None).units(
[head_str.into()].into_iter().chain(join_all(self.items.iter().map(|i| i.print(c))).await),
)
}
}
pub struct LazyMemberHandle(api::TreeId, System, Vec<Tok<String>>);
impl LazyMemberHandle {