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use crate::{ImportSymbol, Node, Package, Packages, Span};
use serde::{Deserialize, Serialize};
use std::fmt;
#[derive(Clone, Eq, Hash, PartialEq, Serialize, Deserialize)]
pub enum PackageAccess {
Star { span: Span },
SubPackage(Box<Package>),
Symbol(ImportSymbol),
Multiple(Packages),
}
impl Node for PackageAccess {
fn span(&self) -> &Span {
match self {
PackageAccess::Star { span } => span,
PackageAccess::SubPackage(package) => &package.span,
PackageAccess::Symbol(package) => &package.span,
PackageAccess::Multiple(package) => &package.span,
}
}
fn set_span(&mut self, span: Span) {
match self {
PackageAccess::Star { span } => *span = span.clone(),
PackageAccess::SubPackage(package) => package.span = span,
PackageAccess::Symbol(package) => package.span = span,
PackageAccess::Multiple(package) => package.span = span,
}
}
}
impl PackageAccess {
fn format(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
PackageAccess::Star { .. } => write!(f, "*"),
PackageAccess::SubPackage(ref package) => write!(f, "{}", package),
PackageAccess::Symbol(ref symbol) => write!(f, "{}", symbol),
PackageAccess::Multiple(ref packages) => {
write!(f, "(")?;
for (i, access) in packages.accesses.iter().enumerate() {
write!(f, "{}", access)?;
if i < packages.accesses.len() - 1 {
write!(f, ", ")?;
}
}
write!(f, ")")
}
}
}
}
impl fmt::Debug for PackageAccess {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.format(f)
}
}
impl fmt::Display for PackageAccess {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.format(f)
}
}