forked from Orchid/orchid
49 lines
1.1 KiB
Rust
49 lines
1.1 KiB
Rust
use std::borrow::Cow;
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use std::rc::Rc;
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use hashbrown::HashSet;
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use never::Never;
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use orchid_base::interner::Tok;
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use orchid_base::name::Sym;
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use orchid_extension::atom::Atomic;
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use orchid_extension::atom_owned::{OwnedAtom, OwnedVariant};
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use orchid_extension::system::SysCtx;
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use crate::macros::rule::matcher::{NamedMatcher, PriodMatcher};
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#[derive(Debug)]
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pub struct MacroData {
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pub module: Sym,
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pub prio: Option<u64>,
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pub rules: Vec<Rule>,
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}
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#[derive(Clone, Debug)]
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pub struct Macro(pub Rc<MacroData>);
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impl Macro {
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pub async fn canonical_name(&self, ctx: &SysCtx) -> Sym {
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self.0.module.suffix([self.0.rules[0].body_name.clone()], ctx.i()).await
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}
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}
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#[derive(Debug)]
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pub struct Rule {
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pub pattern: Matcher,
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pub glossary: HashSet<Sym>,
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pub placeholders: Vec<Tok<String>>,
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pub body_name: Tok<String>,
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}
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#[derive(Debug)]
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pub enum Matcher {
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Named(NamedMatcher),
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Priod(PriodMatcher),
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}
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impl Atomic for Macro {
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type Data = ();
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type Variant = OwnedVariant;
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}
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impl OwnedAtom for Macro {
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type Refs = Never;
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async fn val(&self) -> Cow<'_, Self::Data> { Cow::Owned(()) }
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}
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