64 lines
1.3 KiB
Rust
64 lines
1.3 KiB
Rust
use super::*;
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/// An alias, e.g. `name := target`
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#[derive(Debug, PartialEq, Clone, Serialize)]
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pub(crate) struct Alias<'src, T = Rc<Recipe<'src>>> {
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pub(crate) attributes: BTreeSet<Attribute>,
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pub(crate) name: Name<'src>,
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#[serde(
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bound(serialize = "T: Keyed<'src>"),
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serialize_with = "keyed::serialize"
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)]
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pub(crate) target: T,
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}
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impl<'src> Alias<'src, Name<'src>> {
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pub(crate) fn line_number(&self) -> usize {
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self.name.line
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}
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pub(crate) fn resolve(self, target: Rc<Recipe<'src>>) -> Alias<'src> {
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assert_eq!(self.target.lexeme(), target.name.lexeme());
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Alias {
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attributes: self.attributes,
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name: self.name,
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target,
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}
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}
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}
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impl Alias<'_> {
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pub(crate) fn is_private(&self) -> bool {
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self.name.lexeme().starts_with('_') || self.attributes.contains(&Attribute::Private)
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}
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}
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impl<'src, T> Keyed<'src> for Alias<'src, T> {
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fn key(&self) -> &'src str {
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self.name.lexeme()
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}
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}
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impl<'src> Display for Alias<'src, Name<'src>> {
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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write!(
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f,
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"alias {} := {}",
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self.name.lexeme(),
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self.target.lexeme()
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)
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}
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}
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impl<'src> Display for Alias<'src> {
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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write!(
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f,
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"alias {} := {}",
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self.name.lexeme(),
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self.target.name.lexeme()
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)
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}
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}
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